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BOOT_PIN constant for all ESP32 SoC - Arduino v3.1.x (includes ESP32-P4) #10701

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BOOT_PIN constant for all ESP32 SoC - Arduino v3.1.x (includes ESP32-P4) #10701

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516c9a7
feat(arduino): adds boot pin constant for all esp32 soc
SuGlider Dec 9, 2024
492fc7c
fix(arduino): spacing and commentary error
SuGlider Dec 9, 2024
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12 changes: 12 additions & 0 deletions cores/esp32/esp32-hal.h
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Original file line number Diff line number Diff line change
Expand Up @@ -135,6 +135,18 @@ void arduino_phy_init();
void initArduino();
#endif

// defines a constant that can be used to map BOOT pin for each different ESP32 SoC
#if CONFIG_IDF_TARGET_ESP32 || CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32S3
const uint8_t BOOT_PIN = 0;
#elif CONFIG_IDF_TARGET_ESP32P4
const uint8_t BOOT_PIN = 35;
#else
// All other series C and HSoC use GPIO 9 as BOOT PIN
const uint8_t BOOT_PIN = 9;
#endif



typedef struct {
int core; // core which triggered panic
const char *reason; // exception string
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