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* ST7735 color/offset fix for Heltec Tracker V1

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This commit is contained in:
Scott Powell
2026-07-15 14:00:10 +10:00
parent ea4383f90c
commit 5a14f36e25
1 changed files with 11 additions and 0 deletions
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src/helpers/ui/ST7735Display.cpp
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@@ -255,6 +255,10 @@ static const uint8_t PROGMEM
0x00, 0x00, // XSTART = 0
0x00, 0x9F }, // XEND = 159
Rcmd2invert[] = { // Tracker V1, part 2
1, // 1 command in list:
ST77XX_INVON, 0 }, // 1: Display is inverted
Rcmd3[] = { // 7735R init, part 3 (red or green tab)
2, // 2 commands in list:
ST7735_GMCTRP1, 16 , // 1: Gamma Adjustments (pos. polarity), 16 args + delay:
@@ -447,8 +451,13 @@ bool ST7735Display::begin() {
_height = 80;
_width = 160;
#if defined(HELTEC_LORA_V3) // Tracker v1
_colstart = 26;
_rowstart = 1;
#else
_colstart = 24;
_rowstart = 0;
#endif
_resetAndInit();
@@ -474,6 +483,8 @@ void ST7735Display::_resetAndInit() {
displayInit(Rcmd2green160x80);
//uint8_t madctl = ST77XX_MADCTL_MY | ST77XX_MADCTL_MV |ST7735_MADCTL_BGR;//Adjust color to BGR
//display.sendCommand(ST77XX_MADCTL, &madctl, 1);
#elif defined(HELTEC_LORA_V3) // Tracker v1
displayInit(Rcmd2invert); // invert RGB
#endif
displayInit(Rcmd3);
setRotation(DISPLAY_ROTATION);