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Implemented GPIO wake-up for ESP32-C3 #13333

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Implemented GPIO wake-up for ESP32-C3 #13333

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7dea07a
modmachine: Implemented GPIO wake-up for ESP32-C3.
puppet13th Jan 3, 2024
8faed0e
modmachine: Implemented GPIO wake-up for ESP32-C3.
puppet13th Jan 3, 2024
e7ccf52
Modmachine: Reuse PIN_WAKE qstr for GPIO_WAKE.
puppet13th Jan 3, 2024
3d0def2
Modmachine: Rename ESP_SLEEP_WAKEUP_GPIO QSTR to PIN_WAKE.
puppet13th Jan 10, 2024
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8 changes: 8 additions & 0 deletions ports/esp32/modesp32.c
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Original file line number Diff line number Diff line change
Expand Up @@ -63,6 +63,12 @@ static MP_DEFINE_CONST_FUN_OBJ_1(esp32_wake_on_touch_obj, esp32_wake_on_touch);

static mp_obj_t esp32_wake_on_ext0(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {

#if CONFIG_IDF_TARGET_ESP32C3

mp_raise_ValueError(MP_ERROR_TEXT("not supported"));

#else

if (machine_rtc_config.wake_on_touch) {
mp_raise_ValueError(MP_ERROR_TEXT("no resources"));
}
Expand All @@ -89,6 +95,8 @@ static mp_obj_t esp32_wake_on_ext0(size_t n_args, const mp_obj_t *pos_args, mp_m
machine_rtc_config.ext0_level = args[ARG_level].u_bool;
machine_rtc_config.ext0_wake_types = MACHINE_WAKE_SLEEP | MACHINE_WAKE_DEEPSLEEP;

#endif

return mp_const_none;
}
static MP_DEFINE_CONST_FUN_OBJ_KW(esp32_wake_on_ext0_obj, 0, esp32_wake_on_ext0);
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2 changes: 1 addition & 1 deletion ports/esp32/modesp32.h
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
#ifndef MICROPY_INCLUDED_ESP32_MODESP32_H
#define MICROPY_INCLUDED_ESP32_MODESP32_H

#if CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32S3
#if CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32S3 || CONFIG_IDF_TARGET_ESP32C3

#define RTC_VALID_EXT_PINS \
( \
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32 changes: 31 additions & 1 deletion ports/esp32/modmachine.c
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Original file line number Diff line number Diff line change
Expand Up @@ -76,6 +76,7 @@
{ MP_ROM_QSTR(MP_QSTR_PIN_WAKE), MP_ROM_INT(ESP_SLEEP_WAKEUP_EXT0) }, \
{ MP_ROM_QSTR(MP_QSTR_EXT0_WAKE), MP_ROM_INT(ESP_SLEEP_WAKEUP_EXT0) }, \
{ MP_ROM_QSTR(MP_QSTR_EXT1_WAKE), MP_ROM_INT(ESP_SLEEP_WAKEUP_EXT1) }, \
{ MP_ROM_QSTR(MP_QSTR_GPIO_WAKE), MP_ROM_INT(ESP_SLEEP_WAKEUP_GPIO) }, \
{ MP_ROM_QSTR(MP_QSTR_TIMER_WAKE), MP_ROM_INT(ESP_SLEEP_WAKEUP_TIMER) }, \
{ MP_ROM_QSTR(MP_QSTR_TOUCHPAD_WAKE), MP_ROM_INT(ESP_SLEEP_WAKEUP_TOUCHPAD) }, \
{ MP_ROM_QSTR(MP_QSTR_ULP_WAKE), MP_ROM_INT(ESP_SLEEP_WAKEUP_ULP) }, \
Expand Down Expand Up @@ -146,7 +147,36 @@ static void machine_sleep_helper(wake_type_t wake_type, size_t n_args, const mp_
esp_sleep_enable_timer_wakeup(((uint64_t)expiry) * 1000);
}

#if !CONFIG_IDF_TARGET_ESP32C3
#if CONFIG_IDF_TARGET_ESP32C3

if (machine_rtc_config.ext1_pins != 0) {
gpio_int_type_t intr_type = machine_rtc_config.ext1_level ? GPIO_INTR_HIGH_LEVEL : GPIO_INTR_LOW_LEVEL;

for (int i = 0; i < GPIO_NUM_MAX; ++i) {
gpio_num_t gpio = (gpio_num_t)i;
uint64_t bm = 1ULL << i;

if (machine_rtc_config.ext1_pins & bm) {
gpio_sleep_set_direction(gpio, GPIO_MODE_INPUT);

if (MACHINE_WAKE_SLEEP == wake_type) {
gpio_wakeup_enable(gpio, intr_type);
}
}
}

if (MACHINE_WAKE_DEEPSLEEP == wake_type) {
if (ESP_OK != esp_deep_sleep_enable_gpio_wakeup(
machine_rtc_config.ext1_pins,
machine_rtc_config.ext1_level ? ESP_GPIO_WAKEUP_GPIO_HIGH : ESP_GPIO_WAKEUP_GPIO_LOW)) {
mp_raise_ValueError(MP_ERROR_TEXT("wake-up pin not supported"));
}
} else {
esp_sleep_enable_gpio_wakeup();
}
}

#else

if (machine_rtc_config.ext0_pin != -1 && (machine_rtc_config.ext0_wake_types & wake_type)) {
esp_sleep_enable_ext0_wakeup(machine_rtc_config.ext0_pin, machine_rtc_config.ext0_level ? 1 : 0);
Expand Down
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