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esp32/modesp32: Add wake_on_ulp() so ULP can wake CPU from deepsleep.

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Add esp32.wake_on_ulp() to give access to esp_sleep_enable_ulp_wakeup(),
which is needed to allow the ULP co-processor to wake the main CPU from
deep sleep.
This commit is contained in:
Christian Walther
2022-05-26 16:29:26 +02:00
committed by Damien George
parent cf550ad9d1
commit ba21f76f89
4 changed files with 22 additions and 0 deletions
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10
ports/esp32/modesp32.c
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@@ -131,6 +131,15 @@ STATIC mp_obj_t esp32_wake_on_ext1(size_t n_args, const mp_obj_t *pos_args, mp_m
}
STATIC MP_DEFINE_CONST_FUN_OBJ_KW(esp32_wake_on_ext1_obj, 0, esp32_wake_on_ext1);
STATIC mp_obj_t esp32_wake_on_ulp(const mp_obj_t wake) {
if (machine_rtc_config.ext0_pin != -1) {
mp_raise_ValueError(MP_ERROR_TEXT("no resources"));
}
machine_rtc_config.wake_on_ulp = mp_obj_is_true(wake);
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(esp32_wake_on_ulp_obj, esp32_wake_on_ulp);
STATIC mp_obj_t esp32_gpio_deep_sleep_hold(const mp_obj_t enable) {
if (mp_obj_is_true(enable)) {
gpio_deep_sleep_hold_en();
@@ -197,6 +206,7 @@ STATIC const mp_rom_map_elem_t esp32_module_globals_table[] = {
{ MP_ROM_QSTR(MP_QSTR_wake_on_touch), MP_ROM_PTR(&esp32_wake_on_touch_obj) },
{ MP_ROM_QSTR(MP_QSTR_wake_on_ext0), MP_ROM_PTR(&esp32_wake_on_ext0_obj) },
{ MP_ROM_QSTR(MP_QSTR_wake_on_ext1), MP_ROM_PTR(&esp32_wake_on_ext1_obj) },
{ MP_ROM_QSTR(MP_QSTR_wake_on_ulp), MP_ROM_PTR(&esp32_wake_on_ulp_obj) },
{ MP_ROM_QSTR(MP_QSTR_gpio_deep_sleep_hold), MP_ROM_PTR(&esp32_gpio_deep_sleep_hold_obj) },
#if CONFIG_IDF_TARGET_ESP32
{ MP_ROM_QSTR(MP_QSTR_raw_temperature), MP_ROM_PTR(&esp32_raw_temperature_obj) },