kopia lustrzana https://github.com/espressif/esp-idf
82 wiersze
1.7 KiB
C
82 wiersze
1.7 KiB
C
#include <stdint.h>
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#include <stdlib.h>
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#include <stdbool.h>
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#include "esp_attr.h"
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#include "esp_freertos_hooks.h"
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//We use just a static array here because it's not expected many components will need
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//an idle or tick hook.
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#define MAX_HOOKS 8
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static esp_freertos_idle_cb_t idle_cb[MAX_HOOKS]={0};
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static esp_freertos_tick_cb_t tick_cb[MAX_HOOKS]={0};
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void IRAM_ATTR esp_vApplicationTickHook()
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{
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int n;
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for (n=0; n<MAX_HOOKS; n++) {
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if (tick_cb[n]!=NULL) {
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tick_cb[n]();
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}
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}
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}
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void esp_vApplicationIdleHook()
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{
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bool doWait=true;
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bool r;
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int n;
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for (n=0; n<MAX_HOOKS; n++) {
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if (idle_cb[n]!=NULL) {
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r=idle_cb[n]();
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if (!r) doWait=false;
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}
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}
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if (doWait) {
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//Wait for whatever interrupt comes next... this should save some power.
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asm("waiti 0");
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}
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}
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esp_err_t esp_register_freertos_idle_hook(esp_freertos_idle_cb_t new_idle_cb)
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{
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int n;
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for (n=0; n<MAX_HOOKS; n++) {
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if (idle_cb[n]==NULL) {
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idle_cb[n]=new_idle_cb;
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return ESP_OK;
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}
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}
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return ESP_ERR_NO_MEM;
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}
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esp_err_t esp_register_freertos_tick_hook(esp_freertos_tick_cb_t new_tick_cb)
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{
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int n;
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for (n=0; n<MAX_HOOKS; n++) {
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if (tick_cb[n]==NULL) {
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tick_cb[n]=new_tick_cb;
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return ESP_OK;
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}
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}
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return ESP_ERR_NO_MEM;
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}
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void esp_deregister_freertos_idle_hook(esp_freertos_idle_cb_t old_idle_cb)
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{
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int n;
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for (n=0; n<MAX_HOOKS; n++) {
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if (idle_cb[n]==old_idle_cb) idle_cb[n]=NULL;
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}
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}
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void esp_deregister_freertos_tick_hook(esp_freertos_tick_cb_t old_tick_cb)
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{
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int n;
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for (n=0; n<MAX_HOOKS; n++) {
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if (tick_cb[n]==old_tick_cb) tick_cb[n]=NULL;
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}
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}
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