diff --git a/docs/library/esp32.rst b/docs/library/esp32.rst index 3348003499..f0f0c8ef1f 100644 --- a/docs/library/esp32.rst +++ b/docs/library/esp32.rst @@ -18,6 +18,11 @@ Functions Configure whether or not a touch will wake the device from sleep. *wake* should be a boolean value. +.. function:: wake_on_ulp(wake) + + Configure whether or not the Ultra-Low-Power co-processor can wake the + device from sleep. *wake* should be a boolean value. + .. function:: wake_on_ext0(pin, level) Configure how EXT0 wakes the device from sleep. *pin* can be ``None`` diff --git a/ports/esp32/machine_rtc.h b/ports/esp32/machine_rtc.h index 6e70f74385..ce2a5482a2 100644 --- a/ports/esp32/machine_rtc.h +++ b/ports/esp32/machine_rtc.h @@ -34,6 +34,7 @@ typedef struct { uint64_t ext1_pins; // set bit == pin# int8_t ext0_pin; // just the pin#, -1 == None bool wake_on_touch : 1; + bool wake_on_ulp : 1; bool ext0_level : 1; wake_type_t ext0_wake_types; bool ext1_level : 1; diff --git a/ports/esp32/modesp32.c b/ports/esp32/modesp32.c index 0dbd7efda3..017db36e22 100644 --- a/ports/esp32/modesp32.c +++ b/ports/esp32/modesp32.c @@ -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) }, diff --git a/ports/esp32/modmachine.c b/ports/esp32/modmachine.c index aee3be0e74..db77becf87 100644 --- a/ports/esp32/modmachine.c +++ b/ports/esp32/modmachine.c @@ -144,6 +144,12 @@ STATIC mp_obj_t machine_sleep_helper(wake_type_t wake_type, size_t n_args, const } } + if (machine_rtc_config.wake_on_ulp) { + if (esp_sleep_enable_ulp_wakeup() != ESP_OK) { + mp_raise_msg(&mp_type_RuntimeError, MP_ERROR_TEXT("esp_sleep_enable_ulp_wakeup() failed")); + } + } + #endif switch (wake_type) {