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Merge pull request #724 from recrof/thinknode_m1_refactor
tidy up thinknode_m1 variant
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ripplebiz
GitHub
commit
f9079985b6
4 changed files with 27 additions and 39 deletions
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#include <Arduino.h>
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#include "ThinkNodeM1Board.h"
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#ifdef THINKNODE_M1
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#include <bluefruit.h>
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#include <Wire.h>
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static BLEDfu bledfu;
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static void connect_callback(uint16_t conn_handle) {
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(void)conn_handle;
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MESH_DEBUG_PRINTLN("BLE client connected");
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}
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static void disconnect_callback(uint16_t conn_handle, uint8_t reason) {
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(void)conn_handle;
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(void)reason;
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MESH_DEBUG_PRINTLN("BLE client disconnected");
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}
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void ThinkNodeM1Board::begin() {
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// for future use, sub-classes SHOULD call this from their begin()
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startup_reason = BD_STARTUP_NORMAL;
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Wire.begin();
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#ifdef P_LORA_TX_LED
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pinMode(P_LORA_TX_LED, OUTPUT);
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digitalWrite(P_LORA_TX_LED, LOW);
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#endif
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pinMode(SX126X_POWER_EN, OUTPUT);
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digitalWrite(SX126X_POWER_EN, HIGH);
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delay(10); // give sx1262 some time to power up
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}
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uint16_t ThinkNodeM1Board::getBattMilliVolts() {
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int adcvalue = 0;
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analogReference(AR_INTERNAL_3_0);
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analogReadResolution(12);
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delay(10);
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// ADC range is 0..3000mV and resolution is 12-bit (0..4095)
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adcvalue = analogRead(PIN_VBAT_READ);
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// Convert the raw value to compensated mv, taking the resistor-
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// divider into account (providing the actual LIPO voltage)
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return (uint16_t)((float)adcvalue * REAL_VBAT_MV_PER_LSB);
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}
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bool ThinkNodeM1Board::startOTAUpdate(const char* id, char reply[]) {
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// Config the peripheral connection with maximum bandwidth
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// more SRAM required by SoftDevice
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// Note: All config***() function must be called before begin()
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Bluefruit.configPrphBandwidth(BANDWIDTH_MAX);
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Bluefruit.configPrphConn(92, BLE_GAP_EVENT_LENGTH_MIN, 16, 16);
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Bluefruit.begin(1, 0);
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// Set max power. Accepted values are: -40, -30, -20, -16, -12, -8, -4, 0, 4
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Bluefruit.setTxPower(4);
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// Set the BLE device name
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Bluefruit.setName("THINKNODE_M1_OTA");
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Bluefruit.Periph.setConnectCallback(connect_callback);
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Bluefruit.Periph.setDisconnectCallback(disconnect_callback);
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// To be consistent OTA DFU should be added first if it exists
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bledfu.begin();
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// Set up and start advertising
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// Advertising packet
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Bluefruit.Advertising.addFlags(BLE_GAP_ADV_FLAGS_LE_ONLY_GENERAL_DISC_MODE);
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Bluefruit.Advertising.addTxPower();
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Bluefruit.Advertising.addName();
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/* Start Advertising
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- Enable auto advertising if disconnected
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- Interval: fast mode = 20 ms, slow mode = 152.5 ms
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- Timeout for fast mode is 30 seconds
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- Start(timeout) with timeout = 0 will advertise forever (until connected)
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For recommended advertising interval
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https://developer.apple.com/library/content/qa/qa1931/_index.html
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*/
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Bluefruit.Advertising.restartOnDisconnect(true);
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Bluefruit.Advertising.setInterval(32, 244); // in unit of 0.625 ms
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Bluefruit.Advertising.setFastTimeout(30); // number of seconds in fast mode
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Bluefruit.Advertising.start(0); // 0 = Don't stop advertising after n seconds
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strcpy(reply, "OK - started");
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return true;
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}
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#endif
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@ -1,70 +0,0 @@
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#pragma once
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#include <MeshCore.h>
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#include <Arduino.h>
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// LoRa radio module pins for Elecrow ThinkNode M1
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#define P_LORA_DIO_1 20
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#define P_LORA_NSS 24
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#define P_LORA_RESET 25
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#define P_LORA_BUSY 17
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#define P_LORA_SCLK 19
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#define P_LORA_MISO 23
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#define P_LORA_MOSI 22
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#define SX126X_POWER_EN 37
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#define SX126X_DIO2_AS_RF_SWITCH true
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#define SX126X_DIO3_TCXO_VOLTAGE 1.8
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// built-ins
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#define VBAT_MV_PER_LSB (0.73242188F) // 3.0V ADC range and 12-bit ADC resolution = 3000mV/4096
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#define VBAT_DIVIDER (0.5F) // 150K + 150K voltage divider on VBAT
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#define VBAT_DIVIDER_COMP (2.0F) // Compensation factor for the VBAT divider
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#define PIN_VBAT_READ (4)
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#define REAL_VBAT_MV_PER_LSB (VBAT_DIVIDER_COMP * VBAT_MV_PER_LSB)
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class ThinkNodeM1Board : public mesh::MainBoard {
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protected:
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uint8_t startup_reason;
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public:
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void begin();
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uint16_t getBattMilliVolts() override;
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bool startOTAUpdate(const char* id, char reply[]) override;
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uint8_t getStartupReason() const override {
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return startup_reason;
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}
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#if defined(P_LORA_TX_LED)
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void onBeforeTransmit() override {
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digitalWrite(P_LORA_TX_LED, HIGH); // turn TX LED on
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}
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void onAfterTransmit() override {
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digitalWrite(P_LORA_TX_LED, LOW); // turn TX LED off
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}
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#endif
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const char* getManufacturerName() const override {
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return "Elecrow ThinkNode-M1";
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}
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void reboot() override {
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NVIC_SystemReset();
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}
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void powerOff() override {
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// turn off all leds, sd_power_system_off will not do this for us
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#ifdef P_LORA_TX_LED
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digitalWrite(P_LORA_TX_LED, LOW);
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#endif
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// power off board
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sd_power_system_off();
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}
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};
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