8000 ports/esp32/modmachine: Callbacks for system events. by eydam-prototyping · Pull Request #7562 · micropython/micropython · GitHub
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ports/esp32/modmachine: Callbacks for system events. #7562

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ports/esp32/modmachine: Callbacks for system events. #7562

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ports/esp32/modmachine: Callbacks for system events.
eydam-prototyping Jul 22, 2021
a8e6881
ports/esp32/modmachine: Callbacks for system events.
eydam-prototyping Jul 22, 2021
fa24219
ports/esp32/modmachine: Callbacks for system events.
eydam-prototyping Jul 22, 2021
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62 changes: 62 additions & 0 deletions ports/esp32/modesp32.c
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Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,8 @@
#include "driver/gpio.h"
#include "driver/adc.h"
#include "esp_heap_caps.h"
#include "esp_event.h"
#include "esp_log.h"
#include "multi_heap.h"

#include "py/nlr.h"
Expand Down Expand Up @@ -180,6 +182,58 @@ STATIC mp_obj_t esp32_idf_heap_info(const mp_obj_t cap_in) {
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(esp32_idf_heap_info_obj, esp32_idf_heap_info);

#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(4, 2, 0)
static void event_handler(void *arg, esp_event_base_t event_base,
int32_t event_id, void *event_data) {
ESP_LOGI("Event", "event_base=%s, event_id=%d", event_base, event_id);
mp_sched_schedule(arg, mp_obj_new_int(event_id));
}

STATIC mp_obj_t esp32_register_event_handler(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
enum {ARG_event_base, ARG_handler};
const mp_arg_t allowed_args[] = {
{ MP_QSTR_event_base, MP_ARG_INT, {.u_int = EVENT_BASE_ANY} },
{ MP_QSTR_handler, MP_ARG_OBJ, {.u_obj = mp_const_none} },
};
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);

mp_obj_t handler = args[ARG_handler].u_obj;

if (mp_obj_is_callable(handler)) {
esp_event_handler_instance_t *instance = NULL;
uint8_t event_base_id = args[ARG_event_base].u_int;
esp_event_base_t event_base;

switch (event_base_id) {
case EVENT_BASE_ANY:
event_base = ESP_EVENT_ANY_BASE;
break;
case EVENT_BASE_WIFI:
event_base = WIFI_EVENT;
break;
case EVENT_BASE_ETH:
event_base = ETH_EVENT;
break;
case EVENT_BASE_IP:
event_base = IP_EVENT;
break;
default:
event_base = ESP_EVENT_ANY_BASE;
}

esp_event_handler_instance_register(
event_base,
ESP_EVENT_ANY_ID,
&event_handler, handler, instance);

return mp_const_none;
}
mp_raise_ValueError(MP_ERROR_TEXT("handler must be a function."));
}
STATIC MP_DEFINE_CONST_FUN_OBJ_KW(esp32_register_event_handler_obj, 0, esp32_register_event_handler);
#endif

STATIC const mp_rom_map_elem_t esp32_module_globals_table[] = {
{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_esp32) },

Expand All @@ -202,6 +256,14 @@ STATIC const mp_rom_map_elem_t esp32_module_globals_table[] = {
{ MP_ROM_QSTR(MP_QSTR_WAKEUP_ALL_LOW), MP_ROM_FALSE },
{ MP_ROM_QSTR(MP_QSTR_WAKEUP_ANY_HIGH), MP_ROM_TRUE },

#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(4, 2, 0)
{ MP_ROM_QSTR(MP_QSTR_register_event_handler), MP_ROM_PTR(&esp32_register_event_handler_obj) },
{ MP_ROM_QSTR(MP_QSTR_EVENT_BASE_ANY), MP_ROM_INT(EVENT_BASE_ANY) },
{ MP_ROM_QSTR(MP_QSTR_EVENT_BASE_WIFI), MP_ROM_INT(EVENT_BASE_WIFI) },
{ MP_ROM_QSTR(MP_QSTR_EVENT_BASE_ETH), MP_ROM_INT(EVENT_BASE_ETH) },
{ MP_ROM_QSTR(MP_QSTR_EVENT_BASE_IP), MP_ROM_INT(EVENT_BASE_IP) },
#endif

{ MP_ROM_QSTR(MP_QSTR_HEAP_DATA), MP_ROM_INT(MALLOC_CAP_8BIT) },
{ MP_ROM_QSTR(MP_QSTR_HEAP_EXEC), MP_ROM_INT(MALLOC_CAP_EXEC) },
};
Expand Down
2 changes: 2 additions & 0 deletions ports/esp32/modesp32.h
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Original file line number Diff line number Diff line change
Expand Up @@ -31,4 +31,6 @@ extern const mp_obj_type_t esp32_partition_type;
extern const mp_obj_type_t esp32_rmt_type;
extern const mp_obj_type_t esp32_ulp_type;

enum { EVENT_BASE_ANY, EVENT_BASE_WIFI, EVENT_BASE_ETH, EVENT_BASE_IP };

#endif // MICROPY_INCLUDED_ESP32_MODESP32_H
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