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esp32: Make machine.soft_reset() work in main.py and reset_cause().

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This commit fixes two issues on the esp32:
- it enables machine.soft_reset() to be called in main.py;
- it enables machine.reset_cause() to correctly identify a soft reset.

The former is useful in that it enables soft resets in applications that
are started at boot time.  The support is patterned after the stm32 port.
This commit is contained in:
Thorsten von Eicken
2020-06-03 22:42:37 -07:00
committed by Damien George
parent c10d431819
commit d28dbcd6c7
3 changed files with 24 additions and 1 deletions
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14
ports/esp32/modmachine.c
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@@ -59,6 +59,8 @@ typedef enum {
MP_SOFT_RESET
} reset_reason_t;
STATIC bool is_soft_reset = 0;
STATIC mp_obj_t machine_freq(size_t n_args, const mp_obj_t *args) {
if (n_args == 0) {
// get
@@ -140,6 +142,9 @@ STATIC mp_obj_t machine_deepsleep(size_t n_args, const mp_obj_t *pos_args, mp_ma
STATIC MP_DEFINE_CONST_FUN_OBJ_KW(machine_deepsleep_obj, 0, machine_deepsleep);
STATIC mp_obj_t machine_reset_cause(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
if (is_soft_reset) {
return MP_OBJ_NEW_SMALL_INT(MP_SOFT_RESET);
}
switch (esp_reset_reason()) {
case ESP_RST_POWERON:
case ESP_RST_BROWNOUT:
@@ -171,6 +176,15 @@ STATIC mp_obj_t machine_reset_cause(size_t n_args, const mp_obj_t *pos_args, mp_
}
STATIC MP_DEFINE_CONST_FUN_OBJ_KW(machine_reset_cause_obj, 0, machine_reset_cause);
void machine_init(void) {
is_soft_reset = 0;
}
void machine_deinit(void) {
// we are doing a soft-reset so change the reset_cause
is_soft_reset = 1;
}
STATIC mp_obj_t machine_wake_reason(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
return MP_OBJ_NEW_SMALL_INT(esp_sleep_get_wakeup_cause());
}