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https://github.com/ttrftech/NanoVNA.git
synced 2026-04-21 06:14:05 +00:00
resistitive touch work in progress. add adc and gpt
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TT
parent
a50517bf3f
commit
9c3296ad0d
5 changed files with 199 additions and 24 deletions
195
ui.c
195
ui.c
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@ -71,6 +71,14 @@ void ui_mode_keypad(int _keypad_mode);
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void draw_menu(void);
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void erase_menu_buttons(void);
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typedef struct {
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uint8_t type;
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char *label;
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const void *reference;
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} menuitem_t;
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static void menu_push_submenu(const menuitem_t *submenu);
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static int btn_check(void)
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{
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@ -156,7 +164,7 @@ static void menu_move_back(void);
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static void
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menu_cal_cb(int item)
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menu_calop_cb(int item)
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{
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switch (item) {
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case 0: // OPEN
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@ -177,6 +185,7 @@ menu_cal_cb(int item)
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}
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selection++;
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draw_cal_status();
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draw_menu();
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}
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static void
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@ -188,6 +197,24 @@ menu_caldone_cb(int item)
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menu_move_back();
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}
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static void
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menu_cal2_cb(int item)
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{
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switch (item) {
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case 0: // RESET
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cal_status = 0;
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break;
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case 1: // OFF
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cal_status &= ~CALSTAT_APPLY;
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break;
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case 2: // ON
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cal_status |= CALSTAT_APPLY;
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break;
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}
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draw_cal_status();
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menu_move_back();
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}
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static void
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menu_recall_cb(int item)
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{
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@ -207,6 +234,7 @@ menu_save_cb(int item)
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return;
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if (caldata_save(item) == 0) {
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ui_mode_normal();
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draw_cal_status();
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}
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}
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@ -296,23 +324,37 @@ menu_marker_cb(int item)
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ui_mode_normal();
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}
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typedef struct {
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uint8_t type;
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char *label;
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const void *reference;
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} menuitem_t;
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const menuitem_t menu_cal[] = {
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{ MT_CALLBACK, "OPEN", menu_cal_cb },
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{ MT_CALLBACK, "SHORT", menu_cal_cb },
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{ MT_CALLBACK, "LOAD", menu_cal_cb },
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{ MT_CALLBACK, "ISOLN", menu_cal_cb },
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{ MT_CALLBACK, "THRU", menu_cal_cb },
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const menuitem_t menu_calop[] = {
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{ MT_CALLBACK, "OPEN", menu_calop_cb },
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{ MT_CALLBACK, "SHORT", menu_calop_cb },
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{ MT_CALLBACK, "LOAD", menu_calop_cb },
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{ MT_CALLBACK, "ISOLN", menu_calop_cb },
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{ MT_CALLBACK, "THRU", menu_calop_cb },
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{ MT_CALLBACK, "DONE", menu_caldone_cb },
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{ MT_CANCEL, "BACK", NULL },
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{ MT_NONE, NULL, NULL } // sentinel
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};
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const menuitem_t menu_cal[] = {
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{ MT_CALLBACK, "RESET", menu_cal2_cb },
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{ MT_CALLBACK, "OFF", menu_cal2_cb },
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{ MT_CALLBACK, "ON", menu_cal2_cb },
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{ MT_CANCEL, "BACK", NULL },
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{ MT_NONE, NULL, NULL } // sentinel
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};
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static void
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menu_cal_cb(int item)
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{
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(void)item;
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if (cal_status != 0) {
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menu_push_submenu(&menu_cal);
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} else {
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menu_push_submenu(&menu_calop);
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}
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}
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const menuitem_t menu_trace[] = {
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{ MT_CALLBACK, "0", menu_trace_cb },
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{ MT_CALLBACK, "1", menu_trace_cb },
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@ -400,7 +442,7 @@ const menuitem_t menu_top[] = {
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{ MT_SUBMENU, "DISPLAY", menu_display },
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{ MT_SUBMENU, "MARKER", menu_marker },
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{ MT_SUBMENU, "STIMULUS", menu_stimulus },
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{ MT_SUBMENU, "CAL", menu_cal },
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{ MT_CALLBACK, "CAL", menu_cal_cb },
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{ MT_SUBMENU, "RECALL", menu_recall },
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{ MT_SUBMENU, "SAVE", menu_save },
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{ MT_CLOSE, "CLOSE", NULL },
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@ -808,6 +850,117 @@ static const EXTConfig extcfg = {
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}
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};
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static void adccallback(ADCDriver *adcp, adcsample_t *buffer, size_t n)
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{
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(void)adcp;
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(void)buffer;
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(void)n;
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}
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int awd_count;
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static void adcerrorcallback(ADCDriver *adcp, adcerror_t err)
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{
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(void)adcp;
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if (err == ADC_ERR_AWD) {
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awd_count++;
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}
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}
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static const GPTConfig gpt3cfg = {
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1000, /* 1kHz timer clock.*/
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NULL, /* Timer callback.*/
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0x0040,
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0
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};
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#define ADC_GRP1_NUM_CHANNELS 1
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#define ADC_GRP1_BUF_DEPTH 8
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static const ADCConversionGroup adcgrpcfg1 = {
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TRUE,
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ADC_GRP1_NUM_CHANNELS,
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adccallback,
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adcerrorcallback,
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ADC_CFGR1_CONT | ADC_CFGR1_RES_12BIT | ADC_CFGR1_AWDEN |
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ADC_CFGR1_EXTEN_0 | // rising edge of external trigger
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ADC_CFGR1_EXTSEL_0 | ADC_CFGR1_EXTSEL_1, // TRG3 /* CFGR1 */
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ADC_TR(1000, 0), /* TR */
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ADC_SMPR_SMP_28P5, /* SMPR */
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ADC_CHSELR_CHSEL7 /* CHSELR */
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};
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static const ADCConversionGroup adcgrpcfg_x = {
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FALSE,
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ADC_GRP1_NUM_CHANNELS,
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NULL,
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NULL,
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ADC_CFGR1_CONT | ADC_CFGR1_RES_12BIT, /* CFGR1 */
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ADC_TR(0, 0), /* TR */
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ADC_SMPR_SMP_28P5, /* SMPR */
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ADC_CHSELR_CHSEL6 /* CHSELR */
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};
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static const ADCConversionGroup adcgrpcfg_y = {
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FALSE,
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ADC_GRP1_NUM_CHANNELS,
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NULL,
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NULL,
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ADC_CFGR1_CONT | ADC_CFGR1_RES_12BIT, /* CFGR1 */
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ADC_TR(0, 0), /* TR */
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ADC_SMPR_SMP_28P5, /* SMPR */
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ADC_CHSELR_CHSEL7 /* CHSELR */
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};
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adcsample_t adc_samples[ADC_GRP1_NUM_CHANNELS * ADC_GRP1_BUF_DEPTH];
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void
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touch_wait_sense(void)
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{
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palSetPadMode(GPIOB, 1, PAL_MODE_INPUT_PULLDOWN );
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palSetPadMode(GPIOA, 7, PAL_MODE_INPUT_PULLDOWN );
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palSetPadMode(GPIOB, 0, PAL_MODE_OUTPUT_PUSHPULL );
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palSetPad(GPIOB, 0);
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palSetPadMode(GPIOA, 6, PAL_MODE_OUTPUT_PUSHPULL );
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palSetPad(GPIOA, 6);
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}
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int
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touch_measure_y(void)
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{
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palSetPadMode(GPIOB, 1, PAL_MODE_INPUT_PULLDOWN );
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palSetPadMode(GPIOA, 7, PAL_MODE_INPUT_PULLDOWN );
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palSetPadMode(GPIOB, 0, PAL_MODE_OUTPUT_PUSHPULL );
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palClearPad(GPIOB, 0);
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palSetPadMode(GPIOA, 6, PAL_MODE_OUTPUT_PUSHPULL );
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palSetPad(GPIOA, 6);
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adcConvert(&ADCD1, &adcgrpcfg_y, adc_samples, 1);
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return adc_samples[0];
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}
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int
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touch_measure_x(void)
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{
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palSetPadMode(GPIOB, 0, PAL_MODE_INPUT_PULLDOWN );
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palSetPadMode(GPIOA, 6, PAL_MODE_INPUT_PULLDOWN );
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palSetPadMode(GPIOB, 1, PAL_MODE_OUTPUT_PUSHPULL );
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palSetPad(GPIOB, 1);
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palSetPadMode(GPIOA, 7, PAL_MODE_OUTPUT_PUSHPULL );
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palClearPad(GPIOA, 7);
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adcConvert(&ADCD1, &adcgrpcfg_x, adc_samples, 1);
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return adc_samples[0];
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}
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void
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test_touch(int *x, int *y)
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{
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adcStopConversion(&ADCD1);
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*x = touch_measure_x();
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*y = touch_measure_y();
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touch_wait_sense();
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adcStartConversion(&ADCD1, &adcgrpcfg1, adc_samples, 8);
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}
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void
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ui_init()
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{
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@ -815,4 +968,18 @@ ui_init()
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* Activates the EXT driver 1.
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*/
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extStart(&EXTD1, &extcfg);
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gptStart(&GPTD3, &gpt3cfg);
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gptPolledDelay(&GPTD3, 10); /* Small delay.*/
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gptStartContinuous(&GPTD3, 5000);
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touch_wait_sense();
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/*
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* Activates the ADC1 driver
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*/
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adcStart(&ADCD1, NULL);
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adcSTM32SetCCR(ADC_CCR_VREFEN);
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adcStartConversion(&ADCD1, &adcgrpcfg1, adc_samples, 8);
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}
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