diff options
Diffstat (limited to 'esp8266/modmachine.c')
| -rw-r--r-- | esp8266/modmachine.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/esp8266/modmachine.c b/esp8266/modmachine.c index 83fb8d350..c75f6e528 100644 --- a/esp8266/modmachine.c +++ b/esp8266/modmachine.c @@ -33,14 +33,20 @@ #include "extmod/machine_i2c.h" #include "utils.h" #include "modpyb.h" +#include "modpybrtc.h" #include "os_type.h" #include "osapi.h" #include "etshal.h" +#include "ets_alt_task.h" #include "user_interface.h" #if MICROPY_PY_MACHINE +//#define MACHINE_WAKE_IDLE (0x01) +//#define MACHINE_WAKE_SLEEP (0x02) +#define MACHINE_WAKE_DEEPSLEEP (0x04) + STATIC mp_obj_t machine_freq(mp_uint_t n_args, const mp_obj_t *args) { if (n_args == 0) { // get @@ -75,6 +81,40 @@ STATIC mp_obj_t machine_unique_id(void) { } STATIC MP_DEFINE_CONST_FUN_OBJ_0(machine_unique_id_obj, machine_unique_id); +STATIC mp_obj_t machine_deepsleep(void) { + // default to sleep forever + uint32_t sleep_us = 0; + + // see if RTC.ALARM0 should wake the device + if (pyb_rtc_alarm0_wake & MACHINE_WAKE_DEEPSLEEP) { + uint64_t t = pyb_rtc_get_us_since_2000(); + if (pyb_rtc_alarm0_expiry <= t) { + sleep_us = 1; // alarm already expired so wake immediately + } else { + uint64_t delta = pyb_rtc_alarm0_expiry - t; + if (delta <= 0xffffffff) { + // sleep for the desired time + sleep_us = delta; + } else { + // overflow, just set to maximum sleep time + sleep_us = 0xffffffff; + } + } + } + + // put the device in a deep-sleep state + system_deep_sleep_set_option(0); // default power down mode; TODO check this + system_deep_sleep(sleep_us); + + for (;;) { + // we must not return + ets_loop_iter(); + } + + return mp_const_none; +} +STATIC MP_DEFINE_CONST_FUN_OBJ_0(machine_deepsleep_obj, machine_deepsleep); + typedef struct _esp_timer_obj_t { mp_obj_base_t base; os_timer_t timer; @@ -160,7 +200,9 @@ STATIC const mp_rom_map_elem_t machine_module_globals_table[] = { { MP_ROM_QSTR(MP_QSTR_reset), MP_ROM_PTR(&machine_reset_obj) }, { MP_ROM_QSTR(MP_QSTR_reset_cause), MP_ROM_PTR(&machine_reset_cause_obj) }, { MP_ROM_QSTR(MP_QSTR_unique_id), MP_ROM_PTR(&machine_unique_id_obj) }, + { MP_ROM_QSTR(MP_QSTR_deepsleep), MP_ROM_PTR(&machine_deepsleep_obj) }, + { MP_ROM_QSTR(MP_QSTR_RTC), MP_ROM_PTR(&pyb_rtc_type) }, { MP_ROM_QSTR(MP_QSTR_Timer), MP_ROM_PTR(&esp_timer_type) }, { MP_ROM_QSTR(MP_QSTR_Pin), MP_ROM_PTR(&pyb_pin_type) }, { MP_ROM_QSTR(MP_QSTR_PWM), MP_ROM_PTR(&pyb_pwm_type) }, @@ -168,6 +210,14 @@ STATIC const mp_rom_map_elem_t machine_module_globals_table[] = { { MP_ROM_QSTR(MP_QSTR_UART), MP_ROM_PTR(&pyb_uart_type) }, { MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&machine_i2c_type) }, { MP_ROM_QSTR(MP_QSTR_SPI), MP_ROM_PTR(&pyb_spi_type) }, + + // wake abilities + { MP_ROM_QSTR(MP_QSTR_DEEPSLEEP), MP_ROM_INT(MACHINE_WAKE_DEEPSLEEP) }, + + // reset causes + { MP_ROM_QSTR(MP_QSTR_PWR_ON_RESET), MP_ROM_INT(REASON_EXT_SYS_RST) }, + { MP_ROM_QSTR(MP_QSTR_HARD_RESET), MP_ROM_INT(REASON_EXT_SYS_RST) }, + { MP_ROM_QSTR(MP_QSTR_DEEPSLEEP_RESET), MP_ROM_INT(REASON_DEEP_SLEEP_AWAKE) }, }; STATIC MP_DEFINE_CONST_DICT(machine_module_globals, machine_module_globals_table); |