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Fix Heltec T1 pin definitions

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SPI pins that are set to -1 cause OOB reads on NRF52. The unused Serial2 pin definitions were removed to avoid potential issues with the Uart framework.
This commit is contained in:
taco
2026-08-13 00:12:37 +10:00
parent e9edfc8e1a
commit 3ea541f1f2
1 changed files with 3 additions and 4 deletions
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variants/heltec_t1/variant.h
+3 -4
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@@ -25,8 +25,8 @@
#define ST7735_SDA (0 + 24)
#define ST7735_SCK (32 + 0)
#define ST7735_RESET (0 + 20)
#define ST7735_MISO (-1)
#define ST7735_BUSY (-1)
#define ST7735_MISO (0) // 0 maps to 0xff on this device which is NRFX_SPIM_PIN_NOT_USED
#define ST7735_BUSY (0) // 0 maps to 0xff on this device which is NRFX_SPIM_PIN_NOT_USED
#define ST7735_BL (0 + 15)
#define VTFT_CTRL (0 + 13)
@@ -66,8 +66,7 @@
// UART
// No longer populated on PCB.
#define PIN_SERIAL2_RX (-1)
#define PIN_SERIAL2_TX (-1)
// Removed the pin definitions to avoid potential issues with Uart.
////////////////////////////////////////////////////////////////////////////////
// I2C