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Core3 reset GPIOs 16/17 when PSRAM is not used #20547

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merged 2 commits into from
Jan 19, 2024
Merged

Core3 reset GPIOs 16/17 when PSRAM is not used #20547

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Core3 reset GPIOs 16/17 when PSRAM is not used
s-hadinger Jan 19, 2024
eace7b8
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s-hadinger Jan 19, 2024
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10 changes: 8 additions & 2 deletions tasmota/tasmota.ino
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Original file line number Diff line number Diff line change
Expand Up @@ -103,7 +103,9 @@
#include "include/tasmota_types.h"

#ifdef CONFIG_IDF_TARGET_ESP32
#include "driver/gpio.h"
#include "soc/efuse_reg.h"
#include "bootloader_common.h"
#endif

/*********************************************************************************************\
Expand Down Expand Up @@ -450,22 +452,26 @@ LinkedList<String> backlog; // Command backlog implemented with
void setup(void) {
#ifdef ESP32
#ifdef CONFIG_IDF_TARGET_ESP32

#ifdef DISABLE_ESP32_BROWNOUT
DisableBrownout(); // Workaround possible weak LDO resulting in brownout detection during Wifi connection
#endif // DISABLE_ESP32_BROWNOUT

// restore GPIO16/17 if no PSRAM is found
#if ESP_IDF_VERSION_MAJOR < 5 // TODO for esp-idf 5
if (!FoundPSRAM()) {
// test if the CPU is not pico
#if (ESP_IDF_VERSION_MAJOR >= 5)
uint32_t pkg_version = bootloader_common_get_chip_ver_pkg();
if (pkg_version <= 3) { // D0WD, S0WD, D2WD
#else // ESP_IDF_VERSION_MAJOR >= 5
uint32_t chip_ver = REG_GET_FIELD(EFUSE_BLK0_RDATA3_REG, EFUSE_RD_CHIP_VER_PKG);
uint32_t pkg_version = chip_ver & 0x7;
if (pkg_version <= 3) { // D0WD, S0WD, D2WD
#endif // ESP_IDF_VERSION_MAJOR >= 5
gpio_reset_pin(GPIO_NUM_16);
gpio_reset_pin(GPIO_NUM_17);
}
}
#endif
#endif // CONFIG_IDF_TARGET_ESP32
#endif // ESP32

Expand Down