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13 changes: 13 additions & 0 deletions cores/esp32/esp32-hal.h
Original file line number Diff line number Diff line change
Expand Up @@ -61,6 +61,19 @@ extern "C" {
#define ARDUINO_EVENT_RUNNING_CORE CONFIG_ARDUINO_EVENT_RUNNING_CORE
#endif

#if CONFIG_IDF_TARGET_ESP32 || CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32S3
static const uint8_t BOOT_PIN = 0;
#elif CONFIG_IDF_TARGET_ESP32C2 || CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32C6 || CONFIG_IDF_TARGET_ESP32H2 || CONFIG_IDF_TARGET_ESP32C61
static const uint8_t BOOT_PIN = 9;
#elif CONFIG_IDF_TARGET_ESP32P4
static const uint8_t BOOT_PIN = 35;
#elif CONFIG_IDF_TARGET_ESP32C5
static const uint8_t BOOT_PIN = 28;
#else
#error BOOT_PIN not defined for this chip!
#endif
#define BOOT_PIN BOOT_PIN

//forward declaration from freertos/portmacro.h
void vPortYield(void);
void yield(void);
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