mirror of
https://github.com/ttrftech/NanoVNA.git
synced 2025-12-06 03:31:59 +01:00
2303 lines
58 KiB
C
2303 lines
58 KiB
C
/*
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* Copyright (c) 2016-2017, TAKAHASHI Tomohiro (TTRFTECH) edy555@gmail.com
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* All rights reserved.
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*
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* This is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3, or (at your option)
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* any later version.
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*
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* The software is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Radio; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#include "ch.h"
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#include "hal.h"
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#include "usbcfg.h"
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#include "si5351.h"
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#include "nanovna.h"
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#include "fft.h"
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#include <chprintf.h>
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//#include <stdlib.h>
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#include <string.h>
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//#include <ctype.h>
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#include <math.h>
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/*
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* Shell settings
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*/
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// If need run shell as thread (use more amount of memory fore stack), after enable this need reduce spi_buffer size, by default shell run in main thread
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//#define VNA_SHELL_THREAD
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static BaseSequentialStream *shell_stream = (BaseSequentialStream *)&SDU1;
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// Shell new line
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#define VNA_SHELL_NEWLINE_STR "\r\n"
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// Shell command promt
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#define VNA_SHELL_PROMPT_STR "ch> "
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// Shell max arguments
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#define VNA_SHELL_MAX_ARGUMENTS 4
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// Shell max command line size
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#define VNA_SHELL_MAX_LENGTH 64
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// Shell command functions prototypes
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typedef void (*vna_shellcmd_t)(BaseSequentialStream *chp, int argc, char *argv[]);
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#define VNA_SHELL_FUNCTION(command_name) static void command_name(BaseSequentialStream *chp, int argc, char *argv[])
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//#define ENABLED_DUMP
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//#define ENABLE_THREADS_COMMAND
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static void apply_error_term_at(int i);
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static void apply_edelay_at(int i);
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static void cal_interpolate(int s);
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void update_frequencies(void);
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void set_frequencies(uint32_t start, uint32_t stop, uint16_t points);
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bool sweep(bool break_on_operation);
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static MUTEX_DECL(mutex);
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#define DRIVE_STRENGTH_AUTO (-1)
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#define FREQ_HARMONICS (config.harmonic_freq_threshold)
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#define IS_HARMONIC_MODE(f) ((f) > FREQ_HARMONICS)
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int32_t frequency_offset = 5000;
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uint32_t frequency = 10000000;
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int8_t drive_strength = DRIVE_STRENGTH_AUTO;
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int8_t sweep_enabled = TRUE;
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int8_t sweep_once = FALSE;
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int8_t cal_auto_interpolate = TRUE;
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uint16_t redraw_request = 0; // contains REDRAW_XXX flags
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int16_t vbat = 0;
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static THD_WORKING_AREA(waThread1, 640);
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static THD_FUNCTION(Thread1, arg)
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{
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(void)arg;
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chRegSetThreadName("sweep");
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while (1) {
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bool completed = false;
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if (sweep_enabled || sweep_once) {
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chMtxLock(&mutex);
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completed = sweep(true);
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sweep_once = FALSE;
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chMtxUnlock(&mutex);
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} else {
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__WFI();
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}
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chMtxLock(&mutex);
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ui_process();
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if (sweep_enabled) {
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if (vbat != -1) {
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adc_stop(ADC1);
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vbat = adc_vbat_read(ADC1);
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touch_start_watchdog();
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draw_battery_status();
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}
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/* calculate trace coordinates and plot only if scan completed */
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if (completed) {
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plot_into_index(measured);
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redraw_request |= REDRAW_CELLS;
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if (marker_tracking) {
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int i = marker_search();
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if (i != -1 && active_marker != -1) {
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markers[active_marker].index = i;
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redraw_request |= REDRAW_MARKER;
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}
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}
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}
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}
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/* plot trace and other indications as raster */
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draw_all(completed); // flush markmap only if scan completed to prevent remaining traces
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chMtxUnlock(&mutex);
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}
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}
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void
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pause_sweep(void)
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{
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sweep_enabled = FALSE;
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}
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void
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resume_sweep(void)
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{
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sweep_enabled = TRUE;
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}
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void
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toggle_sweep(void)
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{
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sweep_enabled = !sweep_enabled;
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}
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static float
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bessel0(float x) {
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const float eps = 0.0001;
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float ret = 0;
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float term = 1;
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float m = 0;
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while (term > eps * ret) {
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ret += term;
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++m;
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term *= (x*x) / (4*m*m);
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}
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return ret;
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}
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static float
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kaiser_window(float k, float n, float beta) {
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if (beta == 0.0) return 1.0;
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float r = (2 * k) / (n - 1) - 1;
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return bessel0(beta * sqrt(1 - r * r)) / bessel0(beta);
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}
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static void
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transform_domain(void)
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{
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if ((domain_mode & DOMAIN_MODE) != DOMAIN_TIME) return; // nothing to do for freq domain
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// use spi_buffer as temporary buffer
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// and calculate ifft for time domain
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float* tmp = (float*)spi_buffer;
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uint8_t window_size = POINTS_COUNT, offset = 0;
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uint8_t is_lowpass = FALSE;
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switch (domain_mode & TD_FUNC) {
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case TD_FUNC_BANDPASS:
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offset = 0;
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window_size = POINTS_COUNT;
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break;
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case TD_FUNC_LOWPASS_IMPULSE:
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case TD_FUNC_LOWPASS_STEP:
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is_lowpass = TRUE;
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offset = POINTS_COUNT;
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window_size = POINTS_COUNT*2;
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break;
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}
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float beta = 0.0;
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switch (domain_mode & TD_WINDOW) {
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case TD_WINDOW_MINIMUM:
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beta = 0.0; // this is rectangular
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break;
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case TD_WINDOW_NORMAL:
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beta = 6.0;
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break;
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case TD_WINDOW_MAXIMUM:
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beta = 13;
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break;
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}
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for (int ch = 0; ch < 2; ch++) {
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memcpy(tmp, measured[ch], sizeof(measured[0]));
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for (int i = 0; i < POINTS_COUNT; i++) {
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float w = kaiser_window(i+offset, window_size, beta);
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tmp[i*2+0] *= w;
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tmp[i*2+1] *= w;
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}
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for (int i = POINTS_COUNT; i < FFT_SIZE; i++) {
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tmp[i*2+0] = 0.0;
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tmp[i*2+1] = 0.0;
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}
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if (is_lowpass) {
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for (int i = 1; i < POINTS_COUNT; i++) {
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tmp[(FFT_SIZE-i)*2+0] = tmp[i*2+0];
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tmp[(FFT_SIZE-i)*2+1] = -tmp[i*2+1];
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}
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}
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fft256_inverse((float(*)[2])tmp);
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memcpy(measured[ch], tmp, sizeof(measured[0]));
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for (int i = 0; i < POINTS_COUNT; i++) {
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measured[ch][i][0] /= (float)FFT_SIZE;
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if (is_lowpass) {
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measured[ch][i][1] = 0.0;
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} else {
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measured[ch][i][1] /= (float)FFT_SIZE;
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}
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}
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if ( (domain_mode & TD_FUNC) == TD_FUNC_LOWPASS_STEP ) {
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for (int i = 1; i < POINTS_COUNT; i++) {
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measured[ch][i][0] += measured[ch][i-1][0];
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}
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}
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}
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}
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// Shell commands output
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static int shell_printf(BaseSequentialStream *chp, const char *fmt, ...) {
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va_list ap;
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int formatted_bytes;
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va_start(ap, fmt);
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formatted_bytes = chvprintf(chp, fmt, ap);
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va_end(ap);
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return formatted_bytes;
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}
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static void cmd_pause(BaseSequentialStream *chp, int argc, char *argv[])
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{
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(void)chp;
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(void)argc;
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(void)argv;
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pause_sweep();
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}
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static void cmd_resume(BaseSequentialStream *chp, int argc, char *argv[])
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{
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(void)chp;
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(void)argc;
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(void)argv;
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// restore frequencies array and cal
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update_frequencies();
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if (cal_auto_interpolate && (cal_status & CALSTAT_APPLY))
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cal_interpolate(lastsaveid);
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resume_sweep();
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}
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static void cmd_reset(BaseSequentialStream *chp, int argc, char *argv[])
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{
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(void)argc;
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(void)argv;
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if (argc == 1) {
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if (strcmp(argv[0], "dfu") == 0) {
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shell_printf(chp, "Performing reset to DFU mode\r\n");
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enter_dfu();
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return;
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}
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}
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shell_printf(chp, "Performing reset\r\n");
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rccEnableWWDG(FALSE);
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WWDG->CFR = 0x60;
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WWDG->CR = 0xff;
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/* wait forever */
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while (1)
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;
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}
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const int8_t gain_table[] = {
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0, // 0 ~ 300MHz
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40, // 300 ~ 600MHz
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50, // 600 ~ 900MHz
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75, // 900 ~ 1200MHz
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85, // 1200 ~ 1500MHz
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95, // 1500MHz ~
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95, // 1800MHz ~
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95, // 2100MHz ~
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95 // 2400MHz ~
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};
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#define DELAY_GAIN_CHANGE 10
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static int
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adjust_gain(int newfreq)
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{
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int delay = 0;
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int new_order = newfreq / FREQ_HARMONICS;
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int old_order = frequency / FREQ_HARMONICS;
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if (new_order != old_order) {
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tlv320aic3204_set_gain(gain_table[new_order], gain_table[new_order]);
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delay += DELAY_GAIN_CHANGE;
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}
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return delay;
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}
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int set_frequency(uint32_t freq)
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{
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int delay = adjust_gain(freq);
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int8_t ds = drive_strength;
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if (ds == DRIVE_STRENGTH_AUTO) {
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ds = freq > FREQ_HARMONICS ? SI5351_CLK_DRIVE_STRENGTH_8MA : SI5351_CLK_DRIVE_STRENGTH_2MA;
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}
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delay += si5351_set_frequency_with_offset(freq, frequency_offset, ds);
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frequency = freq;
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return delay;
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}
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// Use macro, std isdigit more big
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#define _isdigit(c) (c >= '0' && c <= '9')
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// Rewrite universal standart str to value functions to more compact
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//
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// Convert string to int32
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static int32_t my_atoi(const char *p){
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int32_t value = 0;
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uint32_t c;
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bool neg = false;
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if (*p == '-') {neg = true; p++;}
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if (*p == '+') p++;
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while ((c = *p++ - '0') < 10)
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value = value * 10 + c;
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return neg ? -value : value;
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}
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// Convert string to uint32
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uint32_t my_atoui(const char *p){
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uint32_t value = 0;
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uint32_t c;
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if (*p == '+') p++;
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while ((c = *p++ - '0') < 10)
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value = value * 10 + c;
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return value;
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}
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double
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my_atof(const char *p)
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{
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int neg = FALSE;
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if (*p == '-')
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neg = TRUE;
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if (*p == '-' || *p == '+')
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p++;
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double x = my_atoi(p);
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while (_isdigit((int)*p))
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p++;
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if (*p == '.') {
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double d = 1.0f;
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p++;
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while (_isdigit((int)*p)) {
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d /= 10;
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x += d * (*p - '0');
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p++;
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}
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}
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if (*p == 'e' || *p == 'E') {
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p++;
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int exp = my_atoi(p);
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while (exp > 0) {
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x *= 10;
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exp--;
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}
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while (exp < 0) {
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x /= 10;
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exp++;
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}
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}
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if (neg)
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x = -x;
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return x;
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}
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static void cmd_offset(BaseSequentialStream *chp, int argc, char *argv[])
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{
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if (argc != 1) {
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shell_printf(chp, "usage: offset {frequency offset(Hz)}\r\n");
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return;
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}
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frequency_offset = my_atoui(argv[0]);
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set_frequency(frequency);
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}
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static void cmd_freq(BaseSequentialStream *chp, int argc, char *argv[])
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{
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if (argc != 1) {
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goto usage;
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}
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uint32_t freq = my_atoui(argv[0]);
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|
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pause_sweep();
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chMtxLock(&mutex);
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set_frequency(freq);
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chMtxUnlock(&mutex);
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return;
|
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usage:
|
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shell_printf(chp, "usage: freq {frequency(Hz)}\r\n");
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||
}
|
||
|
||
static void cmd_power(BaseSequentialStream *chp, int argc, char *argv[])
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||
{
|
||
if (argc != 1) {
|
||
shell_printf(chp, "usage: power {0-3|-1}\r\n");
|
||
return;
|
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}
|
||
drive_strength = my_atoi(argv[0]);
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set_frequency(frequency);
|
||
}
|
||
|
||
static void cmd_time(BaseSequentialStream *chp, int argc, char *argv[])
|
||
{
|
||
RTCDateTime timespec;
|
||
(void)argc;
|
||
(void)argv;
|
||
rtcGetTime(&RTCD1, ×pec);
|
||
shell_printf(chp, "%d/%d/%d %d\r\n", timespec.year+1980, timespec.month, timespec.day, timespec.millisecond);
|
||
}
|
||
|
||
|
||
static void cmd_dac(BaseSequentialStream *chp, int argc, char *argv[])
|
||
{
|
||
int value;
|
||
if (argc != 1) {
|
||
shell_printf(chp, "usage: dac {value(0-4095)}\r\n"\
|
||
"current value: %d\r\n", config.dac_value);
|
||
return;
|
||
}
|
||
value = my_atoi(argv[0]);
|
||
config.dac_value = value;
|
||
dacPutChannelX(&DACD2, 0, value);
|
||
}
|
||
|
||
static void cmd_threshold(BaseSequentialStream *chp, int argc, char *argv[])
|
||
{
|
||
uint32_t value;
|
||
if (argc != 1) {
|
||
shell_printf(chp, "usage: threshold {frequency in harmonic mode}\r\n"\
|
||
"current: %d\r\n", config.harmonic_freq_threshold);
|
||
return;
|
||
}
|
||
value = my_atoui(argv[0]);
|
||
config.harmonic_freq_threshold = value;
|
||
}
|
||
|
||
static void cmd_saveconfig(BaseSequentialStream *chp, int argc, char *argv[])
|
||
{
|
||
(void)argc;
|
||
(void)argv;
|
||
config_save();
|
||
shell_printf(chp, "Config saved.\r\n");
|
||
}
|
||
|
||
static void cmd_clearconfig(BaseSequentialStream *chp, int argc, char *argv[])
|
||
{
|
||
if (argc != 1) {
|
||
shell_printf(chp, "usage: clearconfig {protection key}\r\n");
|
||
return;
|
||
}
|
||
|
||
if (strcmp(argv[0], "1234") != 0) {
|
||
shell_printf(chp, "Key unmatched.\r\n");
|
||
return;
|
||
}
|
||
|
||
clear_all_config_prop_data();
|
||
shell_printf(chp, "Config and all cal data cleared.\r\n"\
|
||
"Do reset manually to take effect. Then do touch cal and save.\r\n");
|
||
}
|
||
|
||
static struct {
|
||
int16_t rms[2];
|
||
int16_t ave[2];
|
||
int callback_count;
|
||
|
||
#if 0
|
||
int32_t last_counter_value;
|
||
int32_t interval_cycles;
|
||
int32_t busy_cycles;
|
||
#endif
|
||
} stat;
|
||
|
||
int16_t rx_buffer[AUDIO_BUFFER_LEN * 2];
|
||
|
||
#ifdef ENABLED_DUMP
|
||
int16_t dump_buffer[AUDIO_BUFFER_LEN];
|
||
int16_t dump_selection = 0;
|
||
#endif
|
||
|
||
volatile int16_t wait_count = 0;
|
||
|
||
float measured[2][POINTS_COUNT][2];
|
||
|
||
static void
|
||
wait_dsp(int count)
|
||
{
|
||
wait_count = count;
|
||
//reset_dsp_accumerator();
|
||
while (wait_count)
|
||
__WFI();
|
||
}
|
||
|
||
#ifdef ENABLED_DUMP
|
||
static void
|
||
duplicate_buffer_to_dump(int16_t *p)
|
||
{
|
||
if (dump_selection == 1)
|
||
p = samp_buf;
|
||
else if (dump_selection == 2)
|
||
p = ref_buf;
|
||
memcpy(dump_buffer, p, sizeof dump_buffer);
|
||
}
|
||
#endif
|
||
|
||
void i2s_end_callback(I2SDriver *i2sp, size_t offset, size_t n)
|
||
{
|
||
#if PORT_SUPPORTS_RT
|
||
int32_t cnt_s = port_rt_get_counter_value();
|
||
int32_t cnt_e;
|
||
#endif
|
||
int16_t *p = &rx_buffer[offset];
|
||
(void)i2sp;
|
||
(void)n;
|
||
|
||
if (wait_count > 0) {
|
||
if (wait_count == 1)
|
||
dsp_process(p, n);
|
||
#ifdef ENABLED_DUMP
|
||
duplicate_buffer_to_dump(p);
|
||
#endif
|
||
--wait_count;
|
||
}
|
||
|
||
#if PORT_SUPPORTS_RT
|
||
cnt_e = port_rt_get_counter_value();
|
||
stat.interval_cycles = cnt_s - stat.last_counter_value;
|
||
stat.busy_cycles = cnt_e - cnt_s;
|
||
stat.last_counter_value = cnt_s;
|
||
#endif
|
||
stat.callback_count++;
|
||
}
|
||
|
||
static const I2SConfig i2sconfig = {
|
||
NULL, // TX Buffer
|
||
rx_buffer, // RX Buffer
|
||
AUDIO_BUFFER_LEN * 2,
|
||
NULL, // tx callback
|
||
i2s_end_callback, // rx callback
|
||
0, // i2scfgr
|
||
2 // i2spr
|
||
};
|
||
|
||
static void cmd_data(BaseSequentialStream *chp, int argc, char *argv[])
|
||
{
|
||
int i;
|
||
int sel = 0;
|
||
|
||
if (argc == 1)
|
||
sel = my_atoi(argv[0]);
|
||
if (sel == 0 || sel == 1) {
|
||
chMtxLock(&mutex);
|
||
for (i = 0; i < sweep_points; i++) {
|
||
if (frequencies[i] != 0)
|
||
shell_printf(chp, "%f %f\r\n", measured[sel][i][0], measured[sel][i][1]);
|
||
}
|
||
chMtxUnlock(&mutex);
|
||
} else if (sel >= 2 && sel < 7) {
|
||
chMtxLock(&mutex);
|
||
for (i = 0; i < sweep_points; i++) {
|
||
if (frequencies[i] != 0)
|
||
shell_printf(chp, "%f %f\r\n", cal_data[sel-2][i][0], cal_data[sel-2][i][1]);
|
||
}
|
||
chMtxUnlock(&mutex);
|
||
} else {
|
||
shell_printf(chp, "usage: data [array]\r\n");
|
||
}
|
||
}
|
||
|
||
#ifdef ENABLED_DUMP
|
||
static void cmd_dump(BaseSequentialStream *chp, int argc, char *argv[])
|
||
{
|
||
int i, j;
|
||
int len;
|
||
|
||
if (argc == 1)
|
||
dump_selection = my_atoi(argv[0]);
|
||
|
||
wait_dsp(3);
|
||
|
||
len = AUDIO_BUFFER_LEN;
|
||
if (dump_selection == 1 || dump_selection == 2)
|
||
len /= 2;
|
||
for (i = 0; i < len; ) {
|
||
for (j = 0; j < 16; j++, i++) {
|
||
shell_printf(chp, "%04x ", 0xffff & (int)dump_buffer[i]);
|
||
}
|
||
shell_printf(chp, "\r\n");
|
||
}
|
||
}
|
||
#endif
|
||
|
||
static void cmd_capture(BaseSequentialStream *chp, int argc, char *argv[])
|
||
{
|
||
// read pixel count at one time (PART*2 bytes required for read buffer)
|
||
(void)argc;
|
||
(void)argv;
|
||
|
||
chMtxLock(&mutex);
|
||
|
||
// read 2 row pixel time (read buffer limit by 2/3 + 1 from spi_buffer size)
|
||
for (int y=0; y < 240; y+=2)
|
||
{
|
||
// use uint16_t spi_buffer[2048] (defined in ili9341) for read buffer
|
||
uint8_t *buf = (uint8_t *)spi_buffer;
|
||
ili9341_read_memory(0, y, 320, 2, 2*320, spi_buffer);
|
||
for (int i = 0; i < 4*320; i++) {
|
||
streamPut(chp, *buf++);
|
||
}
|
||
}
|
||
|
||
chMtxUnlock(&mutex);
|
||
}
|
||
|
||
#if 0
|
||
static void cmd_gamma(BaseSequentialStream *chp, int argc, char *argv[])
|
||
{
|
||
float gamma[2];
|
||
(void)argc;
|
||
(void)argv;
|
||
|
||
pause_sweep();
|
||
chMtxLock(&mutex);
|
||
wait_dsp(4);
|
||
calculate_gamma(gamma);
|
||
chMtxUnlock(&mutex);
|
||
|
||
shell_printf(chp, "%d %d\r\n", gamma[0], gamma[1]);
|
||
}
|
||
#endif
|
||
|
||
static void (*sample_func)(float *gamma) = calculate_gamma;
|
||
|
||
static void cmd_sample(BaseSequentialStream *chp, int argc, char *argv[])
|
||
{
|
||
if (argc == 1) {
|
||
if (strcmp(argv[0], "ref") == 0) {
|
||
sample_func = fetch_amplitude_ref;
|
||
return;
|
||
} else if (strcmp(argv[0], "ampl") == 0) {
|
||
sample_func = fetch_amplitude;
|
||
return;
|
||
} else if (strcmp(argv[0], "gamma") == 0) {
|
||
sample_func = calculate_gamma;
|
||
return;
|
||
}
|
||
}
|
||
shell_printf(chp, "usage: sample {gamma|ampl|ref}\r\n");
|
||
}
|
||
|
||
config_t config = {
|
||
.magic = CONFIG_MAGIC,
|
||
.dac_value = 1922,
|
||
.grid_color = DEFAULT_GRID_COLOR,
|
||
.menu_normal_color = DEFAULT_MENU_COLOR,
|
||
.menu_active_color = DEFAULT_MENU_ACTIVE_COLOR,
|
||
.trace_color = { DEFAULT_TRACE_1_COLOR, DEFAULT_TRACE_2_COLOR, DEFAULT_TRACE_3_COLOR, DEFAULT_TRACE_4_COLOR },
|
||
// .touch_cal = { 693, 605, 124, 171 }, // 2.4 inch LCD panel
|
||
.touch_cal = { 338, 522, 153, 192 }, // 2.8 inch LCD panel
|
||
.default_loadcal = 0,
|
||
.harmonic_freq_threshold = 300000000
|
||
};
|
||
|
||
properties_t current_props = {
|
||
.magic = CONFIG_MAGIC,
|
||
._frequency0 = 50000, // start = 50kHz
|
||
._frequency1 = 900000000, // end = 900MHz
|
||
._sweep_points = POINTS_COUNT,
|
||
._trace = {/*enable, type, channel, reserved, scale, refpos*/
|
||
{ 1, TRC_LOGMAG, 0, 0, 10.0, NGRIDY-1 },
|
||
{ 1, TRC_LOGMAG, 1, 0, 10.0, NGRIDY-1 },
|
||
{ 1, TRC_SMITH, 0, 0, 1.0, 0 },
|
||
{ 1, TRC_PHASE, 1, 0, 90.0, NGRIDY/2 }
|
||
},
|
||
._markers = {
|
||
{ 1, 30, 0 }, { 0, 40, 0 }, { 0, 60, 0 }, { 0, 80, 0 }
|
||
},
|
||
._velocity_factor = 0.7,
|
||
._marker_smith_format = MS_RLC
|
||
};
|
||
properties_t *active_props = ¤t_props;
|
||
|
||
void
|
||
ensure_edit_config(void)
|
||
{
|
||
if (active_props == ¤t_props)
|
||
return;
|
||
|
||
//memcpy(¤t_props, active_props, sizeof(config_t));
|
||
active_props = ¤t_props;
|
||
// move to uncal state
|
||
cal_status = 0;
|
||
}
|
||
|
||
#define DELAY_CHANNEL_CHANGE 3
|
||
|
||
// main loop for measurement
|
||
bool sweep(bool break_on_operation)
|
||
{
|
||
int i;
|
||
|
||
for (i = 0; i < sweep_points; i++) {
|
||
int delay = set_frequency(frequencies[i]);
|
||
tlv320aic3204_select(0); // CH0:REFLECT
|
||
wait_dsp(delay);
|
||
|
||
// blink LED while scanning
|
||
palClearPad(GPIOC, GPIOC_LED);
|
||
|
||
/* calculate reflection coeficient */
|
||
(*sample_func)(measured[0][i]);
|
||
|
||
tlv320aic3204_select(1); // CH1:TRANSMISSION
|
||
wait_dsp(DELAY_CHANNEL_CHANGE);
|
||
|
||
/* calculate transmission coeficient */
|
||
(*sample_func)(measured[1][i]);
|
||
|
||
// blink LED while scanning
|
||
palSetPad(GPIOC, GPIOC_LED);
|
||
|
||
if (cal_status & CALSTAT_APPLY)
|
||
apply_error_term_at(i);
|
||
|
||
if (electrical_delay != 0)
|
||
apply_edelay_at(i);
|
||
|
||
// back to toplevel to handle ui operation
|
||
if (operation_requested && break_on_operation)
|
||
return false;
|
||
}
|
||
|
||
transform_domain();
|
||
return true;
|
||
}
|
||
|
||
static void cmd_scan(BaseSequentialStream *chp, int argc, char *argv[])
|
||
{
|
||
uint32_t start, stop;
|
||
int16_t points = sweep_points;
|
||
|
||
if (argc != 2 && argc != 3) {
|
||
shell_printf(chp, "usage: scan {start(Hz)} {stop(Hz)} [points]\r\n");
|
||
return;
|
||
}
|
||
|
||
start = my_atoui(argv[0]);
|
||
stop = my_atoui(argv[1]);
|
||
if (start == 0 || stop == 0 || start > stop) {
|
||
shell_printf(chp, "frequency range is invalid\r\n");
|
||
return;
|
||
}
|
||
if (argc == 3) {
|
||
points = my_atoi(argv[2]);
|
||
if (points <= 0 || points > sweep_points) {
|
||
shell_printf(chp, "sweep points exceeds range\r\n");
|
||
return;
|
||
}
|
||
}
|
||
|
||
pause_sweep();
|
||
chMtxLock(&mutex);
|
||
set_frequencies(start, stop, points);
|
||
if (cal_auto_interpolate && (cal_status & CALSTAT_APPLY))
|
||
cal_interpolate(lastsaveid);
|
||
|
||
sweep_once = TRUE;
|
||
chMtxUnlock(&mutex);
|
||
|
||
// wait finishing sweep
|
||
while (sweep_once)
|
||
chThdSleepMilliseconds(10);
|
||
}
|
||
|
||
static void
|
||
update_marker_index(void)
|
||
{
|
||
int m;
|
||
int i;
|
||
for (m = 0; m < MARKERS_MAX; m++) {
|
||
if (!markers[m].enabled)
|
||
continue;
|
||
uint32_t f = markers[m].frequency;
|
||
if (f < frequencies[0]) {
|
||
markers[m].index = 0;
|
||
markers[m].frequency = frequencies[0];
|
||
} else if (f >= frequencies[sweep_points-1]) {
|
||
markers[m].index = sweep_points-1;
|
||
markers[m].frequency = frequencies[sweep_points-1];
|
||
} else {
|
||
for (i = 0; i < sweep_points-1; i++) {
|
||
if (frequencies[i] <= f && f < frequencies[i+1]) {
|
||
uint32_t mid = (frequencies[i] + frequencies[i+1])/2;
|
||
if (f < mid) {
|
||
markers[m].index = i;
|
||
} else {
|
||
markers[m].index = i + 1;
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
void
|
||
set_frequencies(uint32_t start, uint32_t stop, uint16_t points)
|
||
{
|
||
uint32_t i;
|
||
uint32_t step = (points - 1);
|
||
uint32_t span = stop - start;
|
||
uint32_t delta = span / step;
|
||
uint32_t error = span % step;
|
||
uint32_t f = start, df = step>>1;
|
||
for (i = 0; i <= step; i++, f+=delta) {
|
||
frequencies[i] = f;
|
||
df+=error;
|
||
if (df >=step) {
|
||
f++;
|
||
df-=step;
|
||
}
|
||
}
|
||
// disable at out of sweep range
|
||
for (; i < sweep_points; i++)
|
||
frequencies[i] = 0;
|
||
}
|
||
|
||
void
|
||
update_frequencies(void)
|
||
{
|
||
uint32_t start, stop;
|
||
if (frequency0 < frequency1) {
|
||
start = frequency0;
|
||
stop = frequency1;
|
||
} else {
|
||
start = frequency1;
|
||
stop = frequency0;
|
||
}
|
||
|
||
set_frequencies(start, stop, sweep_points);
|
||
operation_requested = OP_FREQCHANGE;
|
||
|
||
update_marker_index();
|
||
|
||
// set grid layout
|
||
update_grid();
|
||
}
|
||
|
||
static void
|
||
freq_mode_startstop(void)
|
||
{
|
||
if (frequency0 > frequency1) {
|
||
ensure_edit_config();
|
||
uint32_t f = frequency1;
|
||
frequency1 = frequency0;
|
||
frequency0 = f;
|
||
}
|
||
}
|
||
|
||
static void
|
||
freq_mode_centerspan(void)
|
||
{
|
||
if (frequency0 <= frequency1) {
|
||
ensure_edit_config();
|
||
uint32_t f = frequency1;
|
||
frequency1 = frequency0;
|
||
frequency0 = f;
|
||
}
|
||
}
|
||
|
||
#define START_MIN 50000
|
||
#define STOP_MAX 2700000000U
|
||
|
||
void
|
||
set_sweep_frequency(int type, uint32_t freq)
|
||
{
|
||
int cal_applied = cal_status & CALSTAT_APPLY;
|
||
|
||
// Check frequency for out of bounds (minimum SPAN can be any value)
|
||
if (type!=ST_SPAN && freq < START_MIN)
|
||
freq = START_MIN;
|
||
if (freq > STOP_MAX)
|
||
freq = STOP_MAX;
|
||
|
||
switch (type) {
|
||
case ST_START:
|
||
freq_mode_startstop();
|
||
if (frequency0 != freq) {
|
||
ensure_edit_config();
|
||
frequency0 = freq;
|
||
// if start > stop then make start = stop
|
||
if (frequency1 < freq)
|
||
frequency1 = freq;
|
||
}
|
||
break;
|
||
case ST_STOP:
|
||
freq_mode_startstop();
|
||
if (frequency1 != freq) {
|
||
ensure_edit_config();
|
||
frequency1 = freq;
|
||
// if start > stop then make start = stop
|
||
if (frequency0 > freq)
|
||
frequency0 = freq;
|
||
}
|
||
break;
|
||
case ST_CENTER:
|
||
freq_mode_centerspan();
|
||
uint32_t center = FREQ_CENTER();
|
||
if (center != freq) {
|
||
uint32_t span = FREQ_SPAN();
|
||
ensure_edit_config();
|
||
if (freq < START_MIN + span/2) {
|
||
span = (freq - START_MIN) * 2;
|
||
}
|
||
if (freq > STOP_MAX - span/2) {
|
||
span = (STOP_MAX - freq) * 2;
|
||
}
|
||
frequency0 = freq + span/2;
|
||
frequency1 = freq - span/2;
|
||
}
|
||
break;
|
||
case ST_SPAN:
|
||
freq_mode_centerspan();
|
||
if (frequency0 - frequency1 != freq) {
|
||
ensure_edit_config();
|
||
uint32_t center = frequency0/2 + frequency1/2;
|
||
if (center < START_MIN + freq/2) {
|
||
center = START_MIN + freq/2;
|
||
}
|
||
if (center > STOP_MAX - freq/2) {
|
||
center = STOP_MAX - freq/2;
|
||
}
|
||
frequency1 = center - freq/2;
|
||
frequency0 = center + freq/2;
|
||
}
|
||
break;
|
||
case ST_CW:
|
||
freq_mode_centerspan();
|
||
if (frequency0 != freq || frequency1 != freq) {
|
||
ensure_edit_config();
|
||
frequency0 = freq;
|
||
frequency1 = freq;
|
||
}
|
||
break;
|
||
}
|
||
update_frequencies();
|
||
if (cal_auto_interpolate && cal_applied)
|
||
cal_interpolate(lastsaveid);
|
||
}
|
||
|
||
uint32_t
|
||
get_sweep_frequency(int type)
|
||
{
|
||
if (frequency0 <= frequency1) {
|
||
switch (type) {
|
||
case ST_START: return frequency0;
|
||
case ST_STOP: return frequency1;
|
||
case ST_CENTER: return frequency0/2 + frequency1/2;
|
||
case ST_SPAN: return frequency1 - frequency0;
|
||
case ST_CW: return frequency0/2 + frequency1/2;
|
||
}
|
||
} else {
|
||
switch (type) {
|
||
case ST_START: return frequency1;
|
||
case ST_STOP: return frequency0;
|
||
case ST_CENTER: return frequency0/2 + frequency1/2;
|
||
case ST_SPAN: return frequency0 - frequency1;
|
||
case ST_CW: return frequency0/2 + frequency1/2;
|
||
}
|
||
}
|
||
return 0;
|
||
}
|
||
|
||
static void cmd_sweep(BaseSequentialStream *chp, int argc, char *argv[])
|
||
{
|
||
if (argc == 0) {
|
||
shell_printf(chp, "%d %d %d\r\n", frequency0, frequency1, sweep_points);
|
||
return;
|
||
} else if (argc > 3) {
|
||
goto usage;
|
||
}
|
||
uint32_t value0 = 0;
|
||
uint32_t value1 = 0;
|
||
if (argc >=1) value0 = my_atoui(argv[0]);
|
||
if (argc >=2) value1 = my_atoui(argv[1]);
|
||
|
||
// Parse sweep {start|stop|center|span|cw} {freq(Hz)}
|
||
if (argc == 2 && value0 == 0) {
|
||
int type;
|
||
if (strcmp(argv[0], "start") == 0)
|
||
type = ST_START;
|
||
else if (strcmp(argv[0], "stop") == 0)
|
||
type = ST_STOP;
|
||
else if (strcmp(argv[0], "center") == 0)
|
||
type = ST_CENTER;
|
||
else if (strcmp(argv[0], "span") == 0)
|
||
type = ST_SPAN;
|
||
else if (strcmp(argv[0], "cw") == 0)
|
||
type = ST_CW;
|
||
else
|
||
goto usage;
|
||
set_sweep_frequency(type, value1);
|
||
return;
|
||
}
|
||
// Parse sweep {start(Hz)} [stop(Hz)]
|
||
if (value0)
|
||
set_sweep_frequency(ST_START, value0);
|
||
if (value1)
|
||
set_sweep_frequency(ST_STOP, value1);
|
||
return;
|
||
usage:
|
||
shell_printf(chp, "usage: sweep {start(Hz)} [stop(Hz)]\r\n"\
|
||
"\tsweep {start|stop|center|span|cw} {freq(Hz)}\r\n");
|
||
}
|
||
|
||
|
||
static void
|
||
eterm_set(int term, float re, float im)
|
||
{
|
||
int i;
|
||
for (i = 0; i < sweep_points; i++) {
|
||
cal_data[term][i][0] = re;
|
||
cal_data[term][i][1] = im;
|
||
}
|
||
}
|
||
|
||
static void
|
||
eterm_copy(int dst, int src)
|
||
{
|
||
memcpy(cal_data[dst], cal_data[src], sizeof cal_data[dst]);
|
||
}
|
||
|
||
|
||
const struct open_model {
|
||
float c0;
|
||
float c1;
|
||
float c2;
|
||
float c3;
|
||
} open_model = { 50, 0, -300, 27 };
|
||
|
||
#if 0
|
||
static void
|
||
adjust_ed(void)
|
||
{
|
||
int i;
|
||
for (i = 0; i < sweep_points; i++) {
|
||
// z=1/(jwc*z0) = 1/(2*pi*f*c*z0) Note: normalized with Z0
|
||
// s11ao = (z-1)/(z+1) = (1-1/z)/(1+1/z) = (1-jwcz0)/(1+jwcz0)
|
||
// prepare 1/s11ao to avoid dividing complex
|
||
float c = 1000e-15;
|
||
float z0 = 50;
|
||
//float z = 2 * M_PI * frequencies[i] * c * z0;
|
||
float z = 0.02;
|
||
cal_data[ETERM_ED][i][0] += z;
|
||
}
|
||
}
|
||
#endif
|
||
|
||
static void
|
||
eterm_calc_es(void)
|
||
{
|
||
int i;
|
||
for (i = 0; i < sweep_points; i++) {
|
||
// z=1/(jwc*z0) = 1/(2*pi*f*c*z0) Note: normalized with Z0
|
||
// s11ao = (z-1)/(z+1) = (1-1/z)/(1+1/z) = (1-jwcz0)/(1+jwcz0)
|
||
// prepare 1/s11ao for effeiciency
|
||
float c = 50e-15;
|
||
//float c = 1.707e-12;
|
||
float z0 = 50;
|
||
float z = 2 * M_PI * frequencies[i] * c * z0;
|
||
float sq = 1 + z*z;
|
||
float s11aor = (1 - z*z) / sq;
|
||
float s11aoi = 2*z / sq;
|
||
|
||
// S11mo’= S11mo - Ed
|
||
// S11ms’= S11ms - Ed
|
||
float s11or = cal_data[CAL_OPEN][i][0] - cal_data[ETERM_ED][i][0];
|
||
float s11oi = cal_data[CAL_OPEN][i][1] - cal_data[ETERM_ED][i][1];
|
||
float s11sr = cal_data[CAL_SHORT][i][0] - cal_data[ETERM_ED][i][0];
|
||
float s11si = cal_data[CAL_SHORT][i][1] - cal_data[ETERM_ED][i][1];
|
||
// Es = (S11mo'/s11ao + S11ms’)/(S11mo' - S11ms’)
|
||
float numr = s11sr + s11or * s11aor - s11oi * s11aoi;
|
||
float numi = s11si + s11oi * s11aor + s11or * s11aoi;
|
||
float denomr = s11or - s11sr;
|
||
float denomi = s11oi - s11si;
|
||
sq = denomr*denomr+denomi*denomi;
|
||
cal_data[ETERM_ES][i][0] = (numr*denomr + numi*denomi)/sq;
|
||
cal_data[ETERM_ES][i][1] = (numi*denomr - numr*denomi)/sq;
|
||
}
|
||
cal_status &= ~CALSTAT_OPEN;
|
||
cal_status |= CALSTAT_ES;
|
||
}
|
||
|
||
static void
|
||
eterm_calc_er(int sign)
|
||
{
|
||
int i;
|
||
for (i = 0; i < sweep_points; i++) {
|
||
// Er = sign*(1-sign*Es)S11ms'
|
||
float s11sr = cal_data[CAL_SHORT][i][0] - cal_data[ETERM_ED][i][0];
|
||
float s11si = cal_data[CAL_SHORT][i][1] - cal_data[ETERM_ED][i][1];
|
||
float esr = cal_data[ETERM_ES][i][0];
|
||
float esi = cal_data[ETERM_ES][i][1];
|
||
if (sign > 0) {
|
||
esr = -esr;
|
||
esi = -esi;
|
||
}
|
||
esr = 1 + esr;
|
||
float err = esr * s11sr - esi * s11si;
|
||
float eri = esr * s11si + esi * s11sr;
|
||
if (sign < 0) {
|
||
err = -err;
|
||
eri = -eri;
|
||
}
|
||
cal_data[ETERM_ER][i][0] = err;
|
||
cal_data[ETERM_ER][i][1] = eri;
|
||
}
|
||
cal_status &= ~CALSTAT_SHORT;
|
||
cal_status |= CALSTAT_ER;
|
||
}
|
||
|
||
// CAUTION: Et is inversed for efficiency
|
||
static void
|
||
eterm_calc_et(void)
|
||
{
|
||
int i;
|
||
for (i = 0; i < sweep_points; i++) {
|
||
// Et = 1/(S21mt - Ex)
|
||
float etr = cal_data[CAL_THRU][i][0] - cal_data[CAL_ISOLN][i][0];
|
||
float eti = cal_data[CAL_THRU][i][1] - cal_data[CAL_ISOLN][i][1];
|
||
float sq = etr*etr + eti*eti;
|
||
float invr = etr / sq;
|
||
float invi = -eti / sq;
|
||
cal_data[ETERM_ET][i][0] = invr;
|
||
cal_data[ETERM_ET][i][1] = invi;
|
||
}
|
||
cal_status &= ~CALSTAT_THRU;
|
||
cal_status |= CALSTAT_ET;
|
||
}
|
||
|
||
#if 0
|
||
void apply_error_term(void)
|
||
{
|
||
int i;
|
||
for (i = 0; i < sweep_points; i++) {
|
||
// S11m' = S11m - Ed
|
||
// S11a = S11m' / (Er + Es S11m')
|
||
float s11mr = measured[0][i][0] - cal_data[ETERM_ED][i][0];
|
||
float s11mi = measured[0][i][1] - cal_data[ETERM_ED][i][1];
|
||
float err = cal_data[ETERM_ER][i][0] + s11mr * cal_data[ETERM_ES][i][0] - s11mi * cal_data[ETERM_ES][i][1];
|
||
float eri = cal_data[ETERM_ER][i][1] + s11mr * cal_data[ETERM_ES][i][1] + s11mi * cal_data[ETERM_ES][i][0];
|
||
float sq = err*err + eri*eri;
|
||
float s11ar = (s11mr * err + s11mi * eri) / sq;
|
||
float s11ai = (s11mi * err - s11mr * eri) / sq;
|
||
measured[0][i][0] = s11ar;
|
||
measured[0][i][1] = s11ai;
|
||
|
||
// CAUTION: Et is inversed for efficiency
|
||
// S21m' = S21m - Ex
|
||
// S21a = S21m' (1-EsS11a)Et
|
||
float s21mr = measured[1][i][0] - cal_data[ETERM_EX][i][0];
|
||
float s21mi = measured[1][i][1] - cal_data[ETERM_EX][i][1];
|
||
float esr = 1 - (cal_data[ETERM_ES][i][0] * s11ar - cal_data[ETERM_ES][i][1] * s11ai);
|
||
float esi = - (cal_data[ETERM_ES][i][1] * s11ar + cal_data[ETERM_ES][i][0] * s11ai);
|
||
float etr = esr * cal_data[ETERM_ET][i][0] - esi * cal_data[ETERM_ET][i][1];
|
||
float eti = esr * cal_data[ETERM_ET][i][1] + esi * cal_data[ETERM_ET][i][0];
|
||
float s21ar = s21mr * etr - s21mi * eti;
|
||
float s21ai = s21mi * etr + s21mr * eti;
|
||
measured[1][i][0] = s21ar;
|
||
measured[1][i][1] = s21ai;
|
||
}
|
||
}
|
||
#endif
|
||
|
||
static void apply_error_term_at(int i)
|
||
{
|
||
// S11m' = S11m - Ed
|
||
// S11a = S11m' / (Er + Es S11m')
|
||
float s11mr = measured[0][i][0] - cal_data[ETERM_ED][i][0];
|
||
float s11mi = measured[0][i][1] - cal_data[ETERM_ED][i][1];
|
||
float err = cal_data[ETERM_ER][i][0] + s11mr * cal_data[ETERM_ES][i][0] - s11mi * cal_data[ETERM_ES][i][1];
|
||
float eri = cal_data[ETERM_ER][i][1] + s11mr * cal_data[ETERM_ES][i][1] + s11mi * cal_data[ETERM_ES][i][0];
|
||
float sq = err*err + eri*eri;
|
||
float s11ar = (s11mr * err + s11mi * eri) / sq;
|
||
float s11ai = (s11mi * err - s11mr * eri) / sq;
|
||
measured[0][i][0] = s11ar;
|
||
measured[0][i][1] = s11ai;
|
||
|
||
// CAUTION: Et is inversed for efficiency
|
||
// S21m' = S21m - Ex
|
||
// S21a = S21m' (1-EsS11a)Et
|
||
float s21mr = measured[1][i][0] - cal_data[ETERM_EX][i][0];
|
||
float s21mi = measured[1][i][1] - cal_data[ETERM_EX][i][1];
|
||
float esr = 1 - (cal_data[ETERM_ES][i][0] * s11ar - cal_data[ETERM_ES][i][1] * s11ai);
|
||
float esi = - (cal_data[ETERM_ES][i][1] * s11ar + cal_data[ETERM_ES][i][0] * s11ai);
|
||
float etr = esr * cal_data[ETERM_ET][i][0] - esi * cal_data[ETERM_ET][i][1];
|
||
float eti = esr * cal_data[ETERM_ET][i][1] + esi * cal_data[ETERM_ET][i][0];
|
||
float s21ar = s21mr * etr - s21mi * eti;
|
||
float s21ai = s21mi * etr + s21mr * eti;
|
||
measured[1][i][0] = s21ar;
|
||
measured[1][i][1] = s21ai;
|
||
}
|
||
|
||
static void apply_edelay_at(int i)
|
||
{
|
||
float w = 2 * M_PI * electrical_delay * frequencies[i] * 1E-12;
|
||
float s = sin(w);
|
||
float c = cos(w);
|
||
float real = measured[0][i][0];
|
||
float imag = measured[0][i][1];
|
||
measured[0][i][0] = real * c - imag * s;
|
||
measured[0][i][1] = imag * c + real * s;
|
||
real = measured[1][i][0];
|
||
imag = measured[1][i][1];
|
||
measured[1][i][0] = real * c - imag * s;
|
||
measured[1][i][1] = imag * c + real * s;
|
||
}
|
||
|
||
void
|
||
cal_collect(int type)
|
||
{
|
||
ensure_edit_config();
|
||
chMtxLock(&mutex);
|
||
|
||
switch (type) {
|
||
case CAL_LOAD:
|
||
cal_status |= CALSTAT_LOAD;
|
||
memcpy(cal_data[CAL_LOAD], measured[0], sizeof measured[0]);
|
||
break;
|
||
|
||
case CAL_OPEN:
|
||
cal_status |= CALSTAT_OPEN;
|
||
cal_status &= ~(CALSTAT_ES|CALSTAT_APPLY);
|
||
memcpy(cal_data[CAL_OPEN], measured[0], sizeof measured[0]);
|
||
break;
|
||
|
||
case CAL_SHORT:
|
||
cal_status |= CALSTAT_SHORT;
|
||
cal_status &= ~(CALSTAT_ER|CALSTAT_APPLY);
|
||
memcpy(cal_data[CAL_SHORT], measured[0], sizeof measured[0]);
|
||
break;
|
||
|
||
case CAL_THRU:
|
||
cal_status |= CALSTAT_THRU;
|
||
memcpy(cal_data[CAL_THRU], measured[1], sizeof measured[0]);
|
||
break;
|
||
|
||
case CAL_ISOLN:
|
||
cal_status |= CALSTAT_ISOLN;
|
||
memcpy(cal_data[CAL_ISOLN], measured[1], sizeof measured[0]);
|
||
break;
|
||
}
|
||
chMtxUnlock(&mutex);
|
||
redraw_request |= REDRAW_CAL_STATUS;
|
||
}
|
||
|
||
void
|
||
cal_done(void)
|
||
{
|
||
ensure_edit_config();
|
||
if (!(cal_status & CALSTAT_LOAD))
|
||
eterm_set(ETERM_ED, 0.0, 0.0);
|
||
//adjust_ed();
|
||
if ((cal_status & CALSTAT_SHORT) && (cal_status & CALSTAT_OPEN)) {
|
||
eterm_calc_es();
|
||
eterm_calc_er(-1);
|
||
} else if (cal_status & CALSTAT_OPEN) {
|
||
eterm_copy(CAL_SHORT, CAL_OPEN);
|
||
eterm_set(ETERM_ES, 0.0, 0.0);
|
||
eterm_calc_er(1);
|
||
} else if (cal_status & CALSTAT_SHORT) {
|
||
eterm_set(ETERM_ES, 0.0, 0.0);
|
||
cal_status &= ~CALSTAT_SHORT;
|
||
eterm_calc_er(-1);
|
||
} else {
|
||
eterm_set(ETERM_ER, 1.0, 0.0);
|
||
eterm_set(ETERM_ES, 0.0, 0.0);
|
||
}
|
||
|
||
if (!(cal_status & CALSTAT_ISOLN))
|
||
eterm_set(ETERM_EX, 0.0, 0.0);
|
||
if (cal_status & CALSTAT_THRU) {
|
||
eterm_calc_et();
|
||
} else {
|
||
eterm_set(ETERM_ET, 1.0, 0.0);
|
||
}
|
||
|
||
cal_status |= CALSTAT_APPLY;
|
||
redraw_request |= REDRAW_CAL_STATUS;
|
||
}
|
||
|
||
static void
|
||
cal_interpolate(int s)
|
||
{
|
||
const properties_t *src = caldata_ref(s);
|
||
int i, j;
|
||
int eterm;
|
||
if (src == NULL)
|
||
return;
|
||
|
||
ensure_edit_config();
|
||
|
||
// lower than start freq of src range
|
||
for (i = 0; i < sweep_points; i++) {
|
||
if (frequencies[i] >= src->_frequencies[0])
|
||
break;
|
||
|
||
// fill cal_data at head of src range
|
||
for (eterm = 0; eterm < 5; eterm++) {
|
||
cal_data[eterm][i][0] = src->_cal_data[eterm][0][0];
|
||
cal_data[eterm][i][1] = src->_cal_data[eterm][0][1];
|
||
}
|
||
}
|
||
|
||
j = 0;
|
||
for (; i < sweep_points; i++) {
|
||
uint32_t f = frequencies[i];
|
||
|
||
for (; j < sweep_points-1; j++) {
|
||
if (src->_frequencies[j] <= f && f < src->_frequencies[j+1]) {
|
||
// found f between freqs at j and j+1
|
||
float k1 = (float)(f - src->_frequencies[j])
|
||
/ (src->_frequencies[j+1] - src->_frequencies[j]);
|
||
|
||
// avoid glitch between freqs in different harmonics mode
|
||
if (IS_HARMONIC_MODE(src->_frequencies[j]) != IS_HARMONIC_MODE(src->_frequencies[j+1])) {
|
||
// assume f[j] < f[j+1]
|
||
k1 = IS_HARMONIC_MODE(f) ? 1.0 : 0.0;
|
||
}
|
||
|
||
float k0 = 1.0 - k1;
|
||
for (eterm = 0; eterm < 5; eterm++) {
|
||
cal_data[eterm][i][0] = src->_cal_data[eterm][j][0] * k0 + src->_cal_data[eterm][j+1][0] * k1;
|
||
cal_data[eterm][i][1] = src->_cal_data[eterm][j][1] * k0 + src->_cal_data[eterm][j+1][1] * k1;
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
if (j == sweep_points-1)
|
||
break;
|
||
}
|
||
|
||
// upper than end freq of src range
|
||
for (; i < sweep_points; i++) {
|
||
// fill cal_data at tail of src
|
||
for (eterm = 0; eterm < 5; eterm++) {
|
||
cal_data[eterm][i][0] = src->_cal_data[eterm][sweep_points-1][0];
|
||
cal_data[eterm][i][1] = src->_cal_data[eterm][sweep_points-1][1];
|
||
}
|
||
}
|
||
|
||
cal_status |= src->_cal_status | CALSTAT_APPLY | CALSTAT_INTERPOLATED;
|
||
redraw_request |= REDRAW_CAL_STATUS;
|
||
}
|
||
|
||
static void cmd_cal(BaseSequentialStream *chp, int argc, char *argv[])
|
||
{
|
||
const char *items[] = { "load", "open", "short", "thru", "isoln", "Es", "Er", "Et", "cal'ed" };
|
||
|
||
if (argc == 0) {
|
||
int i;
|
||
for (i = 0; i < 9; i++) {
|
||
if (cal_status & (1<<i))
|
||
shell_printf(chp, "%s ", items[i]);
|
||
}
|
||
shell_printf(chp, "\r\n");
|
||
return;
|
||
}
|
||
|
||
char *cmd = argv[0];
|
||
if (strcmp(cmd, "load") == 0) {
|
||
cal_collect(CAL_LOAD);
|
||
} else if (strcmp(cmd, "open") == 0) {
|
||
cal_collect(CAL_OPEN);
|
||
} else if (strcmp(cmd, "short") == 0) {
|
||
cal_collect(CAL_SHORT);
|
||
} else if (strcmp(cmd, "thru") == 0) {
|
||
cal_collect(CAL_THRU);
|
||
} else if (strcmp(cmd, "isoln") == 0) {
|
||
cal_collect(CAL_ISOLN);
|
||
} else if (strcmp(cmd, "done") == 0) {
|
||
cal_done();
|
||
return;
|
||
} else if (strcmp(cmd, "on") == 0) {
|
||
cal_status |= CALSTAT_APPLY;
|
||
redraw_request |= REDRAW_CAL_STATUS;
|
||
return;
|
||
} else if (strcmp(cmd, "off") == 0) {
|
||
cal_status &= ~CALSTAT_APPLY;
|
||
redraw_request |= REDRAW_CAL_STATUS;
|
||
return;
|
||
} else if (strcmp(cmd, "reset") == 0) {
|
||
cal_status = 0;
|
||
redraw_request |= REDRAW_CAL_STATUS;
|
||
return;
|
||
} else if (strcmp(cmd, "data") == 0) {
|
||
shell_printf(chp, "%f %f\r\n", cal_data[CAL_LOAD][0][0], cal_data[CAL_LOAD][0][1]);
|
||
shell_printf(chp, "%f %f\r\n", cal_data[CAL_OPEN][0][0], cal_data[CAL_OPEN][0][1]);
|
||
shell_printf(chp, "%f %f\r\n", cal_data[CAL_SHORT][0][0], cal_data[CAL_SHORT][0][1]);
|
||
shell_printf(chp, "%f %f\r\n", cal_data[CAL_THRU][0][0], cal_data[CAL_THRU][0][1]);
|
||
shell_printf(chp, "%f %f\r\n", cal_data[CAL_ISOLN][0][0], cal_data[CAL_ISOLN][0][1]);
|
||
return;
|
||
} else if (strcmp(cmd, "in") == 0) {
|
||
int s = 0;
|
||
if (argc > 1)
|
||
s = my_atoi(argv[1]);
|
||
cal_interpolate(s);
|
||
redraw_request |= REDRAW_CAL_STATUS;
|
||
return;
|
||
} else {
|
||
shell_printf(chp, "usage: cal [load|open|short|thru|isoln|done|reset|on|off|in]\r\n");
|
||
return;
|
||
}
|
||
}
|
||
|
||
static void cmd_save(BaseSequentialStream *chp, int argc, char *argv[])
|
||
{
|
||
(void)chp;
|
||
|
||
if (argc != 1)
|
||
goto usage;
|
||
|
||
int id = my_atoi(argv[0]);
|
||
if (id < 0 || id >= SAVEAREA_MAX)
|
||
goto usage;
|
||
caldata_save(id);
|
||
redraw_request |= REDRAW_CAL_STATUS;
|
||
return;
|
||
|
||
usage:
|
||
shell_printf(chp, "save {id}\r\n");
|
||
}
|
||
|
||
static void cmd_recall(BaseSequentialStream *chp, int argc, char *argv[])
|
||
{
|
||
(void)chp;
|
||
if (argc != 1)
|
||
goto usage;
|
||
|
||
int id = my_atoi(argv[0]);
|
||
if (id < 0 || id >= SAVEAREA_MAX)
|
||
goto usage;
|
||
|
||
pause_sweep();
|
||
chMtxLock(&mutex);
|
||
if (caldata_recall(id) == 0) {
|
||
// success
|
||
update_frequencies();
|
||
redraw_request |= REDRAW_CAL_STATUS;
|
||
}
|
||
chMtxUnlock(&mutex);
|
||
resume_sweep();
|
||
return;
|
||
|
||
usage:
|
||
shell_printf(chp, "recall {id}\r\n");
|
||
}
|
||
|
||
static const struct {
|
||
const char *name;
|
||
uint16_t refpos;
|
||
float scale_unit;
|
||
} trace_info[] = {
|
||
{ "LOGMAG", 9, 10 },
|
||
{ "PHASE", 5, 90 },
|
||
{ "DELAY", 5, 1e-9 },
|
||
{ "SMITH", 0, 1 },
|
||
{ "POLAR", 0, 1 },
|
||
{ "LINEAR", 0, 0.125 },
|
||
{ "SWR", 0, 1 },
|
||
{ "REAL", 5, 0.25 },
|
||
{ "IMAG", 5, 0.25 },
|
||
{ "R", 0, 100 },
|
||
{ "X", 5, 100 }
|
||
};
|
||
|
||
const char * const trc_channel_name[] = {
|
||
"CH0", "CH1"
|
||
};
|
||
|
||
const char *get_trace_typename(int t)
|
||
{
|
||
return trace_info[trace[t].type].name;
|
||
}
|
||
|
||
void set_trace_type(int t, int type)
|
||
{
|
||
int enabled = type != TRC_OFF;
|
||
int force = FALSE;
|
||
|
||
if (trace[t].enabled != enabled) {
|
||
trace[t].enabled = enabled;
|
||
force = TRUE;
|
||
}
|
||
if (trace[t].type != type) {
|
||
trace[t].type = type;
|
||
trace[t].refpos = trace_info[type].refpos;
|
||
force = TRUE;
|
||
}
|
||
if (force) {
|
||
plot_into_index(measured);
|
||
force_set_markmap();
|
||
}
|
||
}
|
||
|
||
void set_trace_channel(int t, int channel)
|
||
{
|
||
if (trace[t].channel != channel) {
|
||
trace[t].channel = channel;
|
||
force_set_markmap();
|
||
}
|
||
}
|
||
|
||
void set_trace_scale(int t, float scale)
|
||
{
|
||
// scale /= trace_info[trace[t].type].scale_unit;
|
||
if (trace[t].scale != scale) {
|
||
trace[t].scale = scale;
|
||
force_set_markmap();
|
||
}
|
||
}
|
||
|
||
float get_trace_scale(int t)
|
||
{
|
||
return trace[t].scale;// * trace_info[trace[t].type].scale_unit;
|
||
}
|
||
|
||
void set_trace_refpos(int t, float refpos)
|
||
{
|
||
if (trace[t].refpos != refpos) {
|
||
trace[t].refpos = refpos;
|
||
force_set_markmap();
|
||
}
|
||
}
|
||
|
||
float get_trace_refpos(int t)
|
||
{
|
||
return trace[t].refpos;
|
||
}
|
||
|
||
typedef struct {
|
||
char *tracename;
|
||
uint8_t type;
|
||
} type_list;
|
||
|
||
static void cmd_trace(BaseSequentialStream *chp, int argc, char *argv[])
|
||
{
|
||
int t;
|
||
if (argc == 0) {
|
||
for (t = 0; t < TRACES_MAX; t++) {
|
||
if (trace[t].enabled) {
|
||
const char *type = trace_info[trace[t].type].name;
|
||
const char *channel = trc_channel_name[trace[t].channel];
|
||
float scale = get_trace_scale(t);
|
||
float refpos = get_trace_refpos(t);
|
||
shell_printf(chp, "%d %s %s %f %f\r\n", t, type, channel, scale, refpos);
|
||
}
|
||
}
|
||
return;
|
||
}
|
||
|
||
if (strcmp(argv[0], "all") == 0 &&
|
||
argc > 1 && strcmp(argv[1], "off") == 0) {
|
||
for (t = 0; t < TRACES_MAX; t++)
|
||
set_trace_type(t, TRC_OFF);
|
||
goto exit;
|
||
}
|
||
|
||
t = my_atoi(argv[0]);
|
||
if (t < 0 || t >= TRACES_MAX)
|
||
goto usage;
|
||
if (argc == 1) {
|
||
const char *type = get_trace_typename(t);
|
||
const char *channel = trc_channel_name[trace[t].channel];
|
||
shell_printf(chp, "%d %s %s\r\n", t, type, channel);
|
||
return;
|
||
}
|
||
static const type_list t_list[] = {
|
||
{"logmag", TRC_LOGMAG},
|
||
{"phase", TRC_PHASE},
|
||
{"delay", TRC_DELAY},
|
||
{"smith", TRC_SMITH},
|
||
{"polar", TRC_POLAR},
|
||
{"linear", TRC_LINEAR},
|
||
{"swr", TRC_SWR},
|
||
{"real", TRC_REAL},
|
||
{"imag", TRC_IMAG},
|
||
{"r", TRC_R},
|
||
{"x", TRC_X},
|
||
{"off", TRC_OFF},
|
||
};
|
||
for (uint16_t i=0; i<sizeof(t_list)/sizeof(type_list); i++){
|
||
if (strcmp(argv[1], t_list[i].tracename) == 0) {
|
||
set_trace_type(t, t_list[i].type);
|
||
goto check_ch_num;
|
||
}
|
||
}
|
||
if (strcmp(argv[1], "scale") == 0 && argc >= 3) {
|
||
//trace[t].scale = my_atof(argv[2]);
|
||
set_trace_scale(t, my_atof(argv[2]));
|
||
goto exit;
|
||
} else if (strcmp(argv[1], "refpos") == 0 && argc >= 3) {
|
||
//trace[t].refpos = my_atof(argv[2]);
|
||
set_trace_refpos(t, my_atof(argv[2]));
|
||
goto exit;
|
||
} else {
|
||
goto usage;
|
||
}
|
||
|
||
check_ch_num:
|
||
if (argc > 2) {
|
||
int src = my_atoi(argv[2]);
|
||
if (src != 0 && src != 1)
|
||
goto usage;
|
||
trace[t].channel = src;
|
||
}
|
||
exit:
|
||
return;
|
||
usage:
|
||
shell_printf(chp, "trace {0|1|2|3|all} [logmag|phase|polar|smith|linear|delay|swr|real|imag|r|x|off] [src]\r\n"\
|
||
"trace {0|1|2|3} {scale|refpos} {value}\r\n");
|
||
}
|
||
|
||
|
||
void set_electrical_delay(float picoseconds)
|
||
{
|
||
if (electrical_delay != picoseconds) {
|
||
electrical_delay = picoseconds;
|
||
force_set_markmap();
|
||
}
|
||
}
|
||
|
||
float get_electrical_delay(void)
|
||
{
|
||
return electrical_delay;
|
||
}
|
||
|
||
static void cmd_edelay(BaseSequentialStream *chp, int argc, char *argv[])
|
||
{
|
||
if (argc == 0) {
|
||
shell_printf(chp, "%f\r\n", electrical_delay);
|
||
return;
|
||
}
|
||
if (argc > 0) {
|
||
set_electrical_delay(my_atof(argv[0]));
|
||
}
|
||
}
|
||
|
||
|
||
static void cmd_marker(BaseSequentialStream *chp, int argc, char *argv[])
|
||
{
|
||
int t;
|
||
if (argc == 0) {
|
||
for (t = 0; t < MARKERS_MAX; t++) {
|
||
if (markers[t].enabled) {
|
||
shell_printf(chp, "%d %d %d\r\n", t+1, markers[t].index, markers[t].frequency);
|
||
}
|
||
}
|
||
return;
|
||
}
|
||
if (strcmp(argv[0], "off") == 0) {
|
||
active_marker = -1;
|
||
for (t = 0; t < MARKERS_MAX; t++)
|
||
markers[t].enabled = FALSE;
|
||
redraw_request |= REDRAW_MARKER;
|
||
return;
|
||
}
|
||
|
||
t = my_atoi(argv[0])-1;
|
||
if (t < 0 || t >= MARKERS_MAX)
|
||
goto usage;
|
||
if (argc == 1) {
|
||
shell_printf(chp, "%d %d %d\r\n", t+1, markers[t].index, frequency);
|
||
active_marker = t;
|
||
// select active marker
|
||
markers[t].enabled = TRUE;
|
||
redraw_request |= REDRAW_MARKER;
|
||
return;
|
||
}
|
||
if (argc > 1) {
|
||
if (strcmp(argv[1], "off") == 0) {
|
||
markers[t].enabled = FALSE;
|
||
if (active_marker == t)
|
||
active_marker = -1;
|
||
redraw_request |= REDRAW_MARKER;
|
||
} else if (strcmp(argv[1], "on") == 0) {
|
||
markers[t].enabled = TRUE;
|
||
active_marker = t;
|
||
redraw_request |= REDRAW_MARKER;
|
||
} else {
|
||
// select active marker and move to index
|
||
markers[t].enabled = TRUE;
|
||
int index = my_atoi(argv[1]);
|
||
markers[t].index = index;
|
||
markers[t].frequency = frequencies[index];
|
||
active_marker = t;
|
||
redraw_request |= REDRAW_MARKER;
|
||
}
|
||
}
|
||
return;
|
||
usage:
|
||
shell_printf(chp, "marker [n] [off|{index}]\r\n");
|
||
}
|
||
|
||
static void cmd_touchcal(BaseSequentialStream *chp, int argc, char *argv[])
|
||
{
|
||
(void)argc;
|
||
(void)argv;
|
||
//extern int16_t touch_cal[4];
|
||
int i;
|
||
|
||
chMtxLock(&mutex);
|
||
shell_printf(chp, "first touch upper left, then lower right...");
|
||
touch_cal_exec();
|
||
shell_printf(chp, "done\r\n");
|
||
|
||
shell_printf(chp, "touch cal params: ");
|
||
for (i = 0; i < 4; i++) {
|
||
shell_printf(chp, "%d ", config.touch_cal[i]);
|
||
}
|
||
shell_printf(chp, "\r\n");
|
||
chMtxUnlock(&mutex);
|
||
}
|
||
|
||
static void cmd_touchtest(BaseSequentialStream *chp, int argc, char *argv[])
|
||
{
|
||
(void)chp;
|
||
(void)argc;
|
||
(void)argv;
|
||
chMtxLock(&mutex);
|
||
do {
|
||
touch_draw_test();
|
||
} while(argc);
|
||
chMtxUnlock(&mutex);
|
||
|
||
}
|
||
|
||
static void cmd_frequencies(BaseSequentialStream *chp, int argc, char *argv[])
|
||
{
|
||
int i;
|
||
(void)chp;
|
||
(void)argc;
|
||
(void)argv;
|
||
for (i = 0; i < sweep_points; i++) {
|
||
if (frequencies[i] != 0)
|
||
shell_printf(chp, "%d\r\n", frequencies[i]);
|
||
}
|
||
}
|
||
|
||
static void
|
||
set_domain_mode(int mode) // accept DOMAIN_FREQ or DOMAIN_TIME
|
||
{
|
||
if (mode != (domain_mode & DOMAIN_MODE)) {
|
||
domain_mode = (domain_mode & ~DOMAIN_MODE) | (mode & DOMAIN_MODE);
|
||
redraw_request |= REDRAW_FREQUENCY;
|
||
uistat.lever_mode = LM_MARKER;
|
||
}
|
||
}
|
||
|
||
static void
|
||
set_timedomain_func(int func) // accept TD_FUNC_LOWPASS_IMPULSE, TD_FUNC_LOWPASS_STEP or TD_FUNC_BANDPASS
|
||
{
|
||
domain_mode = (domain_mode & ~TD_FUNC) | (func & TD_FUNC);
|
||
}
|
||
|
||
static void
|
||
set_timedomain_window(int func) // accept TD_WINDOW_MINIMUM/TD_WINDOW_NORMAL/TD_WINDOW_MAXIMUM
|
||
{
|
||
domain_mode = (domain_mode & ~TD_WINDOW) | (func & TD_WINDOW);
|
||
}
|
||
|
||
static void cmd_transform(BaseSequentialStream *chp, int argc, char *argv[])
|
||
{
|
||
int i;
|
||
if (argc == 0) {
|
||
goto usage;
|
||
}
|
||
|
||
for (i = 0; i < argc; i++) {
|
||
char *cmd = argv[i];
|
||
if (strcmp(cmd, "on") == 0) {
|
||
set_domain_mode(DOMAIN_TIME);
|
||
} else if (strcmp(cmd, "off") == 0) {
|
||
set_domain_mode(DOMAIN_FREQ);
|
||
} else if (strcmp(cmd, "impulse") == 0) {
|
||
set_timedomain_func(TD_FUNC_LOWPASS_IMPULSE);
|
||
} else if (strcmp(cmd, "step") == 0) {
|
||
set_timedomain_func(TD_FUNC_LOWPASS_STEP);
|
||
} else if (strcmp(cmd, "bandpass") == 0) {
|
||
set_timedomain_func(TD_FUNC_BANDPASS);
|
||
} else if (strcmp(cmd, "minimum") == 0) {
|
||
set_timedomain_window(TD_WINDOW_MINIMUM);
|
||
} else if (strcmp(cmd, "normal") == 0) {
|
||
set_timedomain_window(TD_WINDOW_NORMAL);
|
||
} else if (strcmp(cmd, "maximum") == 0) {
|
||
set_timedomain_window(TD_WINDOW_MAXIMUM);
|
||
} else {
|
||
goto usage;
|
||
}
|
||
}
|
||
return;
|
||
|
||
usage:
|
||
shell_printf(chp, "usage: transform {on|off|impulse|step|bandpass|minimum|normal|maximum} [...]\r\n");
|
||
}
|
||
|
||
static void cmd_test(BaseSequentialStream *chp, int argc, char *argv[])
|
||
{
|
||
(void)chp;
|
||
(void)argc;
|
||
(void)argv;
|
||
|
||
#if 0
|
||
int i;
|
||
for (i = 0; i < 100; i++) {
|
||
palClearPad(GPIOC, GPIOC_LED);
|
||
set_frequency(10000000);
|
||
palSetPad(GPIOC, GPIOC_LED);
|
||
chThdSleepMilliseconds(50);
|
||
|
||
palClearPad(GPIOC, GPIOC_LED);
|
||
set_frequency(90000000);
|
||
palSetPad(GPIOC, GPIOC_LED);
|
||
chThdSleepMilliseconds(50);
|
||
}
|
||
#endif
|
||
|
||
#if 0
|
||
int i;
|
||
int mode = 0;
|
||
if (argc >= 1)
|
||
mode = my_atoi(argv[0]);
|
||
|
||
for (i = 0; i < 20; i++) {
|
||
palClearPad(GPIOC, GPIOC_LED);
|
||
ili9341_test(mode);
|
||
palSetPad(GPIOC, GPIOC_LED);
|
||
chThdSleepMilliseconds(50);
|
||
}
|
||
#endif
|
||
|
||
#if 0
|
||
//extern adcsample_t adc_samples[2];
|
||
//shell_printf(chp, "adc: %d %d\r\n", adc_samples[0], adc_samples[1]);
|
||
int i;
|
||
int x, y;
|
||
for (i = 0; i < 50; i++) {
|
||
test_touch(&x, &y);
|
||
shell_printf(chp, "adc: %d %d\r\n", x, y);
|
||
chThdSleepMilliseconds(200);
|
||
}
|
||
//extern int touch_x, touch_y;
|
||
//shell_printf(chp, "adc: %d %d\r\n", touch_x, touch_y);
|
||
#endif
|
||
|
||
while (argc > 1) {
|
||
int x, y;
|
||
touch_position(&x, &y);
|
||
shell_printf(chp, "touch: %d %d\r\n", x, y);
|
||
chThdSleepMilliseconds(200);
|
||
}
|
||
}
|
||
|
||
static void cmd_gain(BaseSequentialStream *chp, int argc, char *argv[])
|
||
{
|
||
int rvalue;
|
||
int lvalue = 0;
|
||
if (argc != 1 && argc != 2) {
|
||
shell_printf(chp, "usage: gain {lgain(0-95)} [rgain(0-95)]\r\n");
|
||
return;
|
||
}
|
||
rvalue = my_atoi(argv[0]);
|
||
if (argc == 2)
|
||
lvalue = my_atoi(argv[1]);
|
||
tlv320aic3204_set_gain(lvalue, rvalue);
|
||
}
|
||
|
||
static void cmd_port(BaseSequentialStream *chp, int argc, char *argv[])
|
||
{
|
||
int port;
|
||
if (argc != 1) {
|
||
shell_printf(chp, "usage: port {0:TX 1:RX}\r\n");
|
||
return;
|
||
}
|
||
port = my_atoi(argv[0]);
|
||
tlv320aic3204_select(port);
|
||
}
|
||
|
||
static void cmd_stat(BaseSequentialStream *chp, int argc, char *argv[])
|
||
{
|
||
int16_t *p = &rx_buffer[0];
|
||
int32_t acc0, acc1;
|
||
int32_t ave0, ave1;
|
||
int32_t count = AUDIO_BUFFER_LEN;
|
||
int i;
|
||
(void)argc;
|
||
(void)argv;
|
||
acc0 = acc1 = 0;
|
||
for (i = 0; i < AUDIO_BUFFER_LEN*2; i += 2) {
|
||
acc0 += p[i];
|
||
acc1 += p[i+1];
|
||
}
|
||
ave0 = acc0 / count;
|
||
ave1 = acc1 / count;
|
||
acc0 = acc1 = 0;
|
||
for (i = 0; i < AUDIO_BUFFER_LEN*2; i += 2) {
|
||
acc0 += (p[i] - ave0)*(p[i] - ave0);
|
||
acc1 += (p[i+1] - ave1)*(p[i+1] - ave1);
|
||
}
|
||
stat.rms[0] = sqrtf(acc0 / count);
|
||
stat.rms[1] = sqrtf(acc1 / count);
|
||
stat.ave[0] = ave0;
|
||
stat.ave[1] = ave1;
|
||
|
||
shell_printf(chp, "average: %d %d\r\n", stat.ave[0], stat.ave[1]);
|
||
shell_printf(chp, "rms: %d %d\r\n", stat.rms[0], stat.rms[1]);
|
||
shell_printf(chp, "callback count: %d\r\n", stat.callback_count);
|
||
//shell_printf(chp, "interval cycle: %d\r\n", stat.interval_cycles);
|
||
//shell_printf(chp, "busy cycle: %d\r\n", stat.busy_cycles);
|
||
//shell_printf(chp, "load: %d\r\n", stat.busy_cycles * 100 / stat.interval_cycles);
|
||
extern int awd_count;
|
||
shell_printf(chp, "awd: %d\r\n", awd_count);
|
||
}
|
||
|
||
|
||
#ifndef VERSION
|
||
#define VERSION "unknown"
|
||
#endif
|
||
|
||
const char NANOVNA_VERSION[] = VERSION;
|
||
|
||
static void cmd_version(BaseSequentialStream *chp, int argc, char *argv[])
|
||
{
|
||
(void)argc;
|
||
(void)argv;
|
||
shell_printf(chp, "%s\r\n", NANOVNA_VERSION);
|
||
}
|
||
|
||
static void cmd_vbat(BaseSequentialStream *chp, int argc, char *argv[])
|
||
{
|
||
(void)argc;
|
||
(void)argv;
|
||
shell_printf(chp, "%d mV\r\n", vbat);
|
||
}
|
||
|
||
#ifdef ENABLE_THREADS_COMMAND
|
||
#if CH_CFG_USE_REGISTRY == FALSE
|
||
#error "Threads Requite enabled CH_CFG_USE_REGISTRY in chconf.h"
|
||
#endif
|
||
static void cmd_threads(BaseSequentialStream *chp, int argc, char *argv[]) {
|
||
static const char *states[] = {CH_STATE_NAMES};
|
||
thread_t *tp;
|
||
|
||
(void)argv;
|
||
if (argc > 0) {
|
||
shellUsage(chp, "threads");
|
||
return;
|
||
}
|
||
chprintf(chp, "stklimit stack addr refs prio state name\r\n"SHELL_NEWLINE_STR);
|
||
tp = chRegFirstThread();
|
||
do {
|
||
uint32_t stklimit = (uint32_t)tp->wabase;
|
||
shell_printf(chp, "%08x %08x %08x %4u %4u %9s %12s"SHELL_NEWLINE_STR,
|
||
stklimit, (uint32_t)tp->ctx.sp, (uint32_t)tp,
|
||
(uint32_t)tp->refs - 1, (uint32_t)tp->prio, states[tp->state],
|
||
tp->name == NULL ? "" : tp->name);
|
||
tp = chRegNextThread(tp);
|
||
} while (tp != NULL);
|
||
}
|
||
#endif
|
||
|
||
//=============================================================================
|
||
static void cmd_help(BaseSequentialStream *chp, int argc, char *argv[]);
|
||
typedef struct {
|
||
const char *sc_name;
|
||
vna_shellcmd_t sc_function;
|
||
} VNAShellCommand;
|
||
|
||
static const VNAShellCommand commands[] =
|
||
{
|
||
{ "version" , cmd_version },
|
||
{ "reset" , cmd_reset },
|
||
{ "freq" , cmd_freq },
|
||
{ "offset" , cmd_offset },
|
||
{ "time" , cmd_time },
|
||
{ "dac" , cmd_dac },
|
||
{ "saveconfig" , cmd_saveconfig },
|
||
{ "clearconfig" , cmd_clearconfig },
|
||
{ "data" , cmd_data },
|
||
#ifdef ENABLED_DUMP
|
||
{ "dump" , cmd_dump },
|
||
#endif
|
||
{ "frequencies" , cmd_frequencies },
|
||
{ "port" , cmd_port },
|
||
{ "stat" , cmd_stat },
|
||
{ "gain" , cmd_gain },
|
||
{ "power" , cmd_power },
|
||
{ "sample" , cmd_sample },
|
||
// { "gamma" , cmd_gamma },
|
||
{ "scan" , cmd_scan },
|
||
{ "sweep" , cmd_sweep },
|
||
{ "test" , cmd_test },
|
||
{ "touchcal" , cmd_touchcal },
|
||
{ "touchtest" , cmd_touchtest },
|
||
{ "pause" , cmd_pause },
|
||
{ "resume" , cmd_resume },
|
||
{ "cal" , cmd_cal },
|
||
{ "save" , cmd_save },
|
||
{ "recall" , cmd_recall },
|
||
{ "trace" , cmd_trace },
|
||
{ "marker" , cmd_marker },
|
||
{ "edelay" , cmd_edelay },
|
||
{ "capture" , cmd_capture },
|
||
{ "vbat" , cmd_vbat },
|
||
{ "transform" , cmd_transform },
|
||
{ "threshold" , cmd_threshold },
|
||
{ "help" , cmd_help },
|
||
#ifdef ENABLE_THREADS_COMMAND
|
||
// { "threads" , cmd_threads },
|
||
#endif
|
||
{ NULL , NULL }
|
||
};
|
||
|
||
static void cmd_help(BaseSequentialStream *chp, int argc, char *argv[])
|
||
{
|
||
(void)argc;
|
||
(void)argv;
|
||
const VNAShellCommand *scp = commands;
|
||
shell_printf(chp, "Commands:");
|
||
while (scp->sc_name != NULL) {
|
||
shell_printf(chp, " %s", scp->sc_name);
|
||
scp++;
|
||
}
|
||
shell_printf(chp, VNA_SHELL_NEWLINE_STR);
|
||
return;
|
||
}
|
||
|
||
/*
|
||
* VNA shell functions
|
||
*/
|
||
|
||
//
|
||
// Read command line from shell_stream
|
||
//
|
||
static int VNAShell_readLine(char *line, int max_size){
|
||
// Read line from input stream
|
||
uint8_t c;
|
||
char *ptr = line;
|
||
while (1){
|
||
// Return 0 only if stream not active
|
||
if (streamRead(shell_stream, &c, 1) == 0)
|
||
return 0;
|
||
// Backspace
|
||
if (c == 8 || c == 0x7f) {
|
||
if (ptr != line) {
|
||
static const char backspace[] = {0x08,0x20,0x08,0x00};
|
||
shell_printf(shell_stream, backspace);
|
||
ptr--;
|
||
}
|
||
continue;
|
||
}
|
||
// New line (Enter)
|
||
if (c == '\r') {
|
||
shell_printf(shell_stream, VNA_SHELL_NEWLINE_STR);
|
||
*ptr = 0;
|
||
return 1;
|
||
}
|
||
// Others (skip)
|
||
if (c < 0x20)
|
||
continue;
|
||
// Store
|
||
if (ptr < line + max_size - 1) {
|
||
streamPut(shell_stream, c); // Echo
|
||
*ptr++ = (char)c;
|
||
}
|
||
}
|
||
return 0;
|
||
}
|
||
|
||
//
|
||
// Parse and run command line
|
||
//
|
||
static void VNAShell_executeLine(char *line){
|
||
// Parse and execute line
|
||
char *args[VNA_SHELL_MAX_ARGUMENTS + 1];
|
||
int n = 0;
|
||
char *lp = line, *ep;
|
||
while (*lp!=0){
|
||
// Skipping white space and tabs at string begin.
|
||
while (*lp==' ' || *lp=='\t') lp++;
|
||
// If an argument starts with a double quote then its delimiter is another quote, else delimiter is white space.
|
||
ep = (*lp == '"') ? strpbrk(++lp, "\"") : strpbrk( lp, " \t");
|
||
// Store in args string
|
||
args[n++]=lp;
|
||
// Stop, end of input string
|
||
if ((lp = ep) == NULL)
|
||
break;
|
||
// Argument limits check
|
||
if (n > VNA_SHELL_MAX_ARGUMENTS) {
|
||
shell_printf(shell_stream, "too many arguments, max 4"VNA_SHELL_NEWLINE_STR);
|
||
return;
|
||
}
|
||
// Set zero at the end of string and continue check
|
||
*lp++ = 0;
|
||
}
|
||
if (n == 0)
|
||
return;
|
||
// Execute line
|
||
const VNAShellCommand *scp;
|
||
for (scp = commands; scp->sc_name!=NULL;scp++) {
|
||
if (strcmp(scp->sc_name, args[0]) == 0) {
|
||
// chMtxLock(&mutex);
|
||
scp->sc_function(shell_stream, n-1, &args[1]);
|
||
// chMtxUnlock(&mutex);
|
||
return;
|
||
}
|
||
}
|
||
shell_printf(shell_stream, "%s?"VNA_SHELL_NEWLINE_STR, args[0]);
|
||
}
|
||
|
||
#ifdef VNA_SHELL_THREAD
|
||
static THD_WORKING_AREA(waThread2, /* cmd_* max stack size + alpha */442);
|
||
THD_FUNCTION(myshellThread, p) {
|
||
(void)p;
|
||
chRegSetThreadName("shell");
|
||
char line[VNA_SHELL_MAX_LENGTH];
|
||
shell_printf(shell_stream, VNA_SHELL_NEWLINE_STR"NanoVNA Shell"VNA_SHELL_NEWLINE_STR);
|
||
while (true) {
|
||
shell_printf(shell_stream, VNA_SHELL_PROMPT_STR);
|
||
if (VNAShell_readLine(line, VNA_SHELL_MAX_LENGTH))
|
||
VNAShell_executeLine(line);
|
||
else // Putting a delay in order to avoid an endless loop trying to read an unavailable stream.
|
||
osalThreadSleepMilliseconds(100);
|
||
}
|
||
}
|
||
#endif
|
||
|
||
static const I2CConfig i2ccfg = {
|
||
0x00300506, //voodoo magic 400kHz @ HSI 8MHz
|
||
0,
|
||
0
|
||
};
|
||
|
||
static DACConfig dac1cfg1 = {
|
||
//init: 2047U,
|
||
init: 1922U,
|
||
datamode: DAC_DHRM_12BIT_RIGHT
|
||
};
|
||
|
||
int main(void)
|
||
{
|
||
halInit();
|
||
chSysInit();
|
||
|
||
chMtxObjectInit(&mutex);
|
||
|
||
//palSetPadMode(GPIOB, 8, PAL_MODE_ALTERNATE(1) | PAL_STM32_OTYPE_OPENDRAIN);
|
||
//palSetPadMode(GPIOB, 9, PAL_MODE_ALTERNATE(1) | PAL_STM32_OTYPE_OPENDRAIN);
|
||
i2cStart(&I2CD1, &i2ccfg);
|
||
si5351_init();
|
||
|
||
// MCO on PA8
|
||
//palSetPadMode(GPIOA, 8, PAL_MODE_ALTERNATE(0));
|
||
/*
|
||
* Initializes a serial-over-USB CDC driver.
|
||
*/
|
||
sduObjectInit(&SDU1);
|
||
sduStart(&SDU1, &serusbcfg);
|
||
|
||
/*
|
||
* Activates the USB driver and then the USB bus pull-up on D+.
|
||
* Note, a delay is inserted in order to not have to disconnect the cable
|
||
* after a reset.
|
||
*/
|
||
usbDisconnectBus(serusbcfg.usbp);
|
||
chThdSleepMilliseconds(100);
|
||
usbStart(serusbcfg.usbp, &usbcfg);
|
||
usbConnectBus(serusbcfg.usbp);
|
||
|
||
/*
|
||
* SPI LCD Initialize
|
||
*/
|
||
ili9341_init();
|
||
|
||
/*
|
||
* Initialize graph plotting
|
||
*/
|
||
plot_init();
|
||
|
||
/* restore config */
|
||
config_recall();
|
||
|
||
dac1cfg1.init = config.dac_value;
|
||
/*
|
||
* Starting DAC1 driver, setting up the output pin as analog as suggested
|
||
* by the Reference Manual.
|
||
*/
|
||
dacStart(&DACD2, &dac1cfg1);
|
||
|
||
/* initial frequencies */
|
||
update_frequencies();
|
||
|
||
/* restore frequencies and calibration properties from flash memory */
|
||
if (config.default_loadcal >= 0)
|
||
caldata_recall(config.default_loadcal);
|
||
|
||
redraw_frame();
|
||
|
||
/*
|
||
* I2S Initialize
|
||
*/
|
||
tlv320aic3204_init();
|
||
i2sInit();
|
||
i2sObjectInit(&I2SD2);
|
||
i2sStart(&I2SD2, &i2sconfig);
|
||
i2sStartExchange(&I2SD2);
|
||
|
||
ui_init();
|
||
|
||
chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO-1, Thread1, NULL);
|
||
|
||
while (1) {
|
||
if (SDU1.config->usbp->state == USB_ACTIVE) {
|
||
#ifdef VNA_SHELL_THREAD
|
||
thread_t *shelltp = chThdCreateStatic(waThread2, sizeof(waThread2),
|
||
NORMALPRIO + 1,
|
||
myshellThread, NULL);
|
||
chThdWait(shelltp);
|
||
#else
|
||
char line[VNA_SHELL_MAX_LENGTH];
|
||
shell_printf(shell_stream, VNA_SHELL_NEWLINE_STR"NanoVNA Shell"VNA_SHELL_NEWLINE_STR);
|
||
do {
|
||
shell_printf(shell_stream, VNA_SHELL_PROMPT_STR);
|
||
if (VNAShell_readLine(line, VNA_SHELL_MAX_LENGTH))
|
||
VNAShell_executeLine(line);
|
||
else
|
||
chThdSleepMilliseconds(200);
|
||
} while (SDU1.config->usbp->state == USB_ACTIVE);
|
||
#endif
|
||
}
|
||
chThdSleepMilliseconds(1000);
|
||
}
|
||
}
|
||
|
||
/* The prototype shows it is a naked function - in effect this is just an
|
||
assembly function. */
|
||
void HardFault_Handler( void );
|
||
|
||
void hard_fault_handler_c(uint32_t *sp) __attribute__( ( naked ) );;
|
||
|
||
void HardFault_Handler(void)
|
||
{
|
||
uint32_t* sp;
|
||
//__asm volatile ("mrs %0, msp \n\t": "=r" (sp) );
|
||
__asm volatile ("mrs %0, psp \n\t": "=r" (sp) );
|
||
hard_fault_handler_c(sp);
|
||
}
|
||
|
||
void hard_fault_handler_c(uint32_t* sp)
|
||
{
|
||
(void)sp;
|
||
while (true) {}
|
||
}
|