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Merge branch 'master' into sleepy-sensor
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thebentern authored Oct 5, 2023
2 parents 7ea591f + fc06754 commit 9fbbfae
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Showing 6 changed files with 155 additions and 9 deletions.
12 changes: 12 additions & 0 deletions src/Power.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -175,9 +175,21 @@ class AnalogBatteryLevel : public HasBatteryLevel
uint32_t raw = 0;
#ifdef ARCH_ESP32
#ifndef BAT_MEASURE_ADC_UNIT // ADC1
#ifdef ADC_CTRL
if (heltec_version == 5) {
pinMode(ADC_CTRL, OUTPUT);
digitalWrite(ADC_CTRL, HIGH);
delay(10);
}
#endif
for (int i = 0; i < BATTERY_SENSE_SAMPLES; i++) {
raw += adc1_get_raw(adc_channel);
}
#ifdef ADC_CTRL
if (heltec_version == 5) {
digitalWrite(ADC_CTRL, LOW);
}
#endif
#else // ADC2
int32_t adc_buf = 0;
for (int i = 0; i < BATTERY_SENSE_SAMPLES; i++) {
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49 changes: 48 additions & 1 deletion src/graphics/TFTDisplay.cpp
Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
#include "configuration.h"
#include "main.h"

#ifndef TFT_BACKLIGHT_ON
#define TFT_BACKLIGHT_ON HIGH
Expand Down Expand Up @@ -81,8 +82,16 @@ class LGFX : public lgfx::LGFX_Device
{
auto cfg = _light_instance.config(); // Gets a structure for backlight settings.

#ifdef ST7735_BL_V03
if (heltec_version == 3) {
cfg.pin_bl = ST7735_BL_V03;
} else {
cfg.pin_bl = ST7735_BL_V05;
}
#else
cfg.pin_bl = ST7735_BL; // Pin number to which the backlight is connected
cfg.invert = true; // true to invert the brightness of the backlight
#endif
cfg.invert = true; // true to invert the brightness of the backlight
// cfg.freq = 44100; // PWM frequency of backlight
// cfg.pwm_channel = 1; // PWM channel number to use

Expand Down Expand Up @@ -364,9 +373,23 @@ void TFTDisplay::sendCommand(uint8_t com)
// handle display on/off directly
switch (com) {
case DISPLAYON: {
#if defined(ST7735_BACKLIGHT_EN_V03) && defined(TFT_BACKLIGHT_ON)
if (heltec_version == 3) {
digitalWrite(ST7735_BACKLIGHT_EN_V03, TFT_BACKLIGHT_ON);
} else {
digitalWrite(ST7735_BACKLIGHT_EN_V05, TFT_BACKLIGHT_ON);
}
#endif
#if defined(TFT_BL) && defined(TFT_BACKLIGHT_ON)
digitalWrite(TFT_BL, TFT_BACKLIGHT_ON);
#endif
#ifdef VTFT_CTRL_V03
if (heltec_version == 3) {
digitalWrite(VTFT_CTRL_V03, LOW);
} else {
digitalWrite(VTFT_CTRL_V05, LOW);
}
#endif
#ifdef VTFT_CTRL
digitalWrite(VTFT_CTRL, LOW);
#endif
Expand All @@ -376,9 +399,23 @@ void TFTDisplay::sendCommand(uint8_t com)
break;
}
case DISPLAYOFF: {
#if defined(ST7735_BACKLIGHT_EN_V03) && defined(TFT_BACKLIGHT_ON)
if (heltec_version == 3) {
digitalWrite(ST7735_BACKLIGHT_EN_V03, !TFT_BACKLIGHT_ON);
} else {
digitalWrite(ST7735_BACKLIGHT_EN_V05, !TFT_BACKLIGHT_ON);
}
#endif
#if defined(TFT_BL) && defined(TFT_BACKLIGHT_ON)
digitalWrite(TFT_BL, !TFT_BACKLIGHT_ON);
#endif
#ifdef VTFT_CTRL_V03
if (heltec_version == 3) {
digitalWrite(VTFT_CTRL_V03, HIGH);
} else {
digitalWrite(VTFT_CTRL_V05, HIGH);
}
#endif
#ifdef VTFT_CTRL
digitalWrite(VTFT_CTRL, HIGH);
#endif
Expand Down Expand Up @@ -436,6 +473,16 @@ bool TFTDisplay::connect()
pinMode(TFT_BL, OUTPUT);
#endif

#ifdef ST7735_BACKLIGHT_EN_V03
if (heltec_version == 3) {
digitalWrite(ST7735_BACKLIGHT_EN_V03, TFT_BACKLIGHT_ON);
pinMode(ST7735_BACKLIGHT_EN_V03, OUTPUT);
} else {
digitalWrite(ST7735_BACKLIGHT_EN_V05, TFT_BACKLIGHT_ON);
pinMode(ST7735_BACKLIGHT_EN_V05, OUTPUT);
}
#endif

tft.init();
#if defined(M5STACK)
tft.setRotation(0);
Expand Down
73 changes: 72 additions & 1 deletion src/main.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -146,6 +146,25 @@ const char *getDeviceName()
return name;
}

#ifdef VEXT_ENABLE_V03

#include <soc/rtc.h>

static uint32_t calibrate_one(rtc_cal_sel_t cal_clk, const char *name)
{
const uint32_t cal_count = 1000;
uint32_t cali_val;
for (int i = 0; i < 5; ++i) {
cali_val = rtc_clk_cal(cal_clk, cal_count);
}
return cali_val;
}

int heltec_version = 3;

#define CALIBRATE_ONE(cali_clk) calibrate_one(cali_clk, #cali_clk)
#endif

static int32_t ledBlinker()
{
static bool ledOn;
Expand Down Expand Up @@ -216,11 +235,63 @@ void setup()
digitalWrite(PIN_EINK_PWR_ON, HIGH);
#endif

#ifdef VEXT_ENABLE
#ifdef ST7735_BL_V03 // Heltec Wireless Tracker PCB Change Detect/Hack

rtc_clk_32k_enable(true);
CALIBRATE_ONE(RTC_CAL_RTC_MUX);
if (CALIBRATE_ONE(RTC_CAL_32K_XTAL) != 0) {
rtc_clk_slow_freq_set(RTC_SLOW_FREQ_32K_XTAL);
CALIBRATE_ONE(RTC_CAL_RTC_MUX);
CALIBRATE_ONE(RTC_CAL_32K_XTAL);
}

if (rtc_clk_slow_freq_get() != RTC_SLOW_FREQ_32K_XTAL) {
heltec_version = 3;
} else {
heltec_version = 5;
}
#endif

#if defined(VEXT_ENABLE_V03)
if (heltec_version == 3) {
pinMode(VEXT_ENABLE_V03, OUTPUT);
digitalWrite(VEXT_ENABLE_V03, 0); // turn on the display power
LOG_DEBUG("HELTEC Detect Tracker V1.0\n");
} else {
pinMode(VEXT_ENABLE_V05, OUTPUT);
digitalWrite(VEXT_ENABLE_V05, 1); // turn on the display power
LOG_DEBUG("HELTEC Detect Tracker V1.1\n");
}
#elif defined(VEXT_ENABLE)
pinMode(VEXT_ENABLE, OUTPUT);
digitalWrite(VEXT_ENABLE, 0); // turn on the display power
#endif

#if defined(VGNSS_CTRL_V03)
if (heltec_version == 3) {
pinMode(VGNSS_CTRL_V03, OUTPUT);
digitalWrite(VGNSS_CTRL_V03, LOW);
} else {
pinMode(VGNSS_CTRL_V05, OUTPUT);
digitalWrite(VGNSS_CTRL_V05, LOW);
}
#endif

#if defined(VTFT_CTRL_V03)
if (heltec_version == 3) {
pinMode(VTFT_CTRL_V03, OUTPUT);
digitalWrite(VTFT_CTRL_V03, LOW);
} else {
pinMode(VTFT_CTRL_V05, OUTPUT);
digitalWrite(VTFT_CTRL_V05, LOW);
}
#endif

#if defined(VGNSS_CTRL)
pinMode(VGNSS_CTRL, OUTPUT);
digitalWrite(VGNSS_CTRL, LOW);
#endif

#if defined(VTFT_CTRL)
pinMode(VTFT_CTRL, OUTPUT);
digitalWrite(VTFT_CTRL, LOW);
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2 changes: 2 additions & 0 deletions src/main.h
Original file line number Diff line number Diff line change
Expand Up @@ -64,6 +64,8 @@ extern uint32_t shutdownAtMsec;

extern uint32_t serialSinceMsec;

extern int heltec_version;

// If a thread does something that might need for it to be rescheduled ASAP it can set this flag
// This will suppress the current delay and instead try to run ASAP.
extern bool runASAP;
Expand Down
8 changes: 7 additions & 1 deletion src/sleep.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -202,7 +202,13 @@ void doDeepSleep(uint32_t msecToWake, bool skipPreflight = false)
digitalWrite(RESET_OLED, 1); // put the display in reset before killing its power
#endif

#ifdef VEXT_ENABLE
#if defined(VEXT_ENABLE_V03)
if (heltec_version == 3) {
digitalWrite(VEXT_ENABLE_V03, 1); // turn off the display power
} else {
digitalWrite(VEXT_ENABLE_V05, 0); // turn off the display power
}
#elif defined(VEXT_ENABLE)
digitalWrite(VEXT_ENABLE, 1); // turn off the display power
#endif

Expand Down
20 changes: 14 additions & 6 deletions variants/heltec_wireless_tracker/variant.h
Original file line number Diff line number Diff line change
Expand Up @@ -9,37 +9,45 @@
#define ST7735_RESET 39
#define ST7735_MISO -1
#define ST7735_BUSY -1
#define ST7735_BL 45
#define ST7735_BL_V03 45
#define ST7735_BL_V05 21 /* V1.1 PCB marking */
#define ST7735_SPI_HOST SPI3_HOST
#define ST7735_BACKLIGHT_EN 45
#define ST7735_BACKLIGHT_EN_V03 45
#define ST7735_BACKLIGHT_EN_V05 21
#define SPI_FREQUENCY 40000000
#define SPI_READ_FREQUENCY 16000000
#define SCREEN_ROTATE
#define TFT_HEIGHT 160
#define TFT_WIDTH 80
#define TFT_OFFSET_X 26
#define TFT_OFFSET_Y 0
#define VTFT_CTRL 46 // Heltec Tracker needs this pulled low for TFT
#define VTFT_CTRL_V03 46 // Heltec Tracker needs this pulled low for TFT
#define VTFT_CTRL_V05 -1
#define SCREEN_TRANSITION_FRAMERATE 1 // fps
#define DISPLAY_FORCE_SMALL_FONTS

#define VEXT_ENABLE Vext // active low, powers the oled display and the lora antenna boost
#define VEXT_ENABLE_V03 Vext // active low, powers the oled display and the lora antenna boost
#define VEXT_ENABLE_V05 3 // active HIGH, powers the oled display
#define BUTTON_PIN 0

#define BATTERY_PIN 1 // A battery voltage measurement pin, voltage divider connected here to measure battery voltage
#define ADC_CHANNEL ADC1_GPIO1_CHANNEL
#define ADC_ATTENUATION ADC_ATTEN_DB_2_5 // lower dB for high resistance voltage divider
#define ADC_MULTIPLIER 4.9
#define ADC_CTRL 2 // active HIGH, powers the voltage divider. Only on 1.1

#undef GPS_RX_PIN
#undef GPS_TX_PIN
#define GPS_RX_PIN 33
#define GPS_TX_PIN 34
#define PIN_GPS_RESET 35
#define PIN_GPS_PPS 36
#define VGNSS_CTRL 37 // Heltec Tracker needs this pulled low for GPS
#define PIN_GPS_EN VGNSS_CTRL

#define VGNSS_CTRL_V03 37 // Heltec Tracker needs this pulled low for GPS
#define VGNSS_CTRL_V05 -1 // Heltec Tracker needs this pulled low for GPS
#define PIN_GPS_EN VGNSS_CTRL_V03
#define GPS_EN_ACTIVE LOW

#define GPS_RESET_MODE LOW
#define GPS_UC6580

Expand Down

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