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Possibly fix #2704 "Heltec Wireless Tracker screen doesn't display anything" (#2749)

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* fix #2704


Co-authored-by: Ben Meadors <benmmeadors@gmail.com>
Co-authored-by: Jonathan Bennett <jbennett@incomsystems.biz>
This commit is contained in:
Thomas Göttgens
2023-10-05 05:24:25 +02:00
committed by GitHub
parent fbf74fc0b2
commit fc06754e1f
6 changed files with 155 additions and 9 deletions
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20
variants/heltec_wireless_tracker/variant.h
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@@ -9,9 +9,11 @@
#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
@@ -19,17 +21,20 @@
#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
@@ -37,9 +42,12 @@
#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