kopia lustrzana https://github.com/espressif/esp-idf
93 wiersze
3.0 KiB
C
93 wiersze
3.0 KiB
C
/*
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* SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <stdlib.h>
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#include <sys/lock.h>
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#include "sdkconfig.h"
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#include "freertos/FreeRTOS.h"
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#include "esp_err.h"
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#include "esp_log.h"
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#include "esp_check.h"
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#include "esp_heap_caps.h"
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#include "driver/gptimer.h"
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#include "gptimer_priv.h"
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#include "hal/timer_ll.h"
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#include "esp_private/etm_interface.h"
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#define ETM_MEM_ALLOC_CAPS MALLOC_CAP_DEFAULT
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static const char *TAG = "gptimer-etm";
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static esp_err_t gptimer_del_etm_event(esp_etm_event_t *event)
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{
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free(event);
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return ESP_OK;
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}
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static esp_err_t gptimer_del_etm_task(esp_etm_task_t *task)
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{
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free(task);
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return ESP_OK;
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}
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esp_err_t gptimer_new_etm_event(gptimer_handle_t timer, const gptimer_etm_event_config_t *config, esp_etm_event_handle_t *out_event)
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{
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esp_etm_event_t *event = NULL;
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esp_err_t ret = ESP_OK;
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ESP_GOTO_ON_FALSE(timer && config && out_event, ESP_ERR_INVALID_ARG, err, TAG, "invalid argument");
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ESP_GOTO_ON_FALSE(config->event_type < GPTIMER_ETM_EVENT_MAX, ESP_ERR_INVALID_ARG, err, TAG, "invalid event type");
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event = heap_caps_calloc(1, sizeof(esp_etm_event_t), ETM_MEM_ALLOC_CAPS);
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ESP_GOTO_ON_FALSE(event, ESP_ERR_NO_MEM, err, TAG, "no memory for ETM event");
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gptimer_group_t *group = timer->group;
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int group_id = group->group_id;
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int timer_id = timer->timer_id;
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uint32_t event_id = TIMER_LL_ETM_EVENT_TABLE(group_id, timer_id, config->event_type);
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ESP_GOTO_ON_FALSE(event_id != 0, ESP_ERR_NOT_SUPPORTED, err, TAG, "not supported event type");
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// fill the ETM event object
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event->event_id = event_id;
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event->trig_periph = ETM_TRIG_PERIPH_GPTIMER;
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event->del = gptimer_del_etm_event;
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*out_event = event;
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return ESP_OK;
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err:
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if (event) {
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gptimer_del_etm_event(event);
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}
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return ret;
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}
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esp_err_t gptimer_new_etm_task(gptimer_handle_t timer, const gptimer_etm_task_config_t *config, esp_etm_task_handle_t *out_task)
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{
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esp_etm_task_t *task = NULL;
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esp_err_t ret = ESP_OK;
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ESP_GOTO_ON_FALSE(timer && config && out_task, ESP_ERR_INVALID_ARG, err, TAG, "invalid argument");
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ESP_GOTO_ON_FALSE(config->task_type < GPTIMER_ETM_TASK_MAX, ESP_ERR_INVALID_ARG, err, TAG, "invalid task type");
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task = heap_caps_calloc(1, sizeof(esp_etm_task_t), ETM_MEM_ALLOC_CAPS);
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ESP_GOTO_ON_FALSE(task, ESP_ERR_NO_MEM, err, TAG, "no memory for ETM task");
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gptimer_group_t *group = timer->group;
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int group_id = group->group_id;
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int timer_id = timer->timer_id;
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uint32_t task_id = TIMER_LL_ETM_TASK_TABLE(group_id, timer_id, config->task_type);
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ESP_GOTO_ON_FALSE(task_id != 0, ESP_ERR_NOT_SUPPORTED, err, TAG, "not supported task type");
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// fill the ETM task object
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task->task_id = task_id;
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task->trig_periph = ETM_TRIG_PERIPH_GPTIMER;
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task->del = gptimer_del_etm_task;
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*out_task = task;
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return ESP_OK;
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err:
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if (task) {
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gptimer_del_etm_task(task);
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}
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return ret;
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}
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