mirror of
https://github.com/espressif/esp-idf.git
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104 lines
2.9 KiB
C
104 lines
2.9 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 <stdio.h>
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#include "sdkconfig.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "freertos/semphr.h"
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#include "unity.h"
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#include "driver/gptimer.h"
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#include "esp_spi_flash.h"
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#include "soc/soc_caps.h"
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#if CONFIG_GPTIMER_ISR_IRAM_SAFE
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typedef struct {
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size_t buf_size;
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uint8_t *buf;
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size_t flash_addr;
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size_t repeat_count;
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SemaphoreHandle_t done_sem;
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} read_task_arg_t;
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typedef struct {
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size_t delay_time_us;
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size_t repeat_count;
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} block_task_arg_t;
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static bool IRAM_ATTR on_gptimer_alarm_cb(gptimer_handle_t timer, const gptimer_alarm_event_data_t *edata, void *user_ctx)
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{
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block_task_arg_t *arg = (block_task_arg_t *)user_ctx;
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esp_rom_delay_us(arg->delay_time_us);
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arg->repeat_count++;
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return false;
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}
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static void flash_read_task(void *varg)
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{
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read_task_arg_t *arg = (read_task_arg_t *)varg;
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for (size_t i = 0; i < arg->repeat_count; i++) {
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TEST_ESP_OK(spi_flash_read(arg->flash_addr, arg->buf, arg->buf_size));
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}
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xSemaphoreGive(arg->done_sem);
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vTaskDelete(NULL);
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}
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TEST_CASE("gptimer_iram_interrupt_safe", "[gptimer]")
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{
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gptimer_handle_t gptimer = NULL;
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const size_t size = 128;
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uint8_t *buf = malloc(size);
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TEST_ASSERT_NOT_NULL(buf);
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SemaphoreHandle_t done_sem = xSemaphoreCreateBinary();
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TEST_ASSERT_NOT_NULL(done_sem);
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read_task_arg_t read_arg = {
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.buf_size = size,
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.buf = buf,
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.flash_addr = 0,
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.repeat_count = 1000,
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.done_sem = done_sem,
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};
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block_task_arg_t block_arg = {
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.repeat_count = 0,
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.delay_time_us = 100,
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};
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gptimer_config_t timer_config = {
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.clk_src = GPTIMER_CLK_SRC_DEFAULT,
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.direction = GPTIMER_COUNT_UP,
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.resolution_hz = 1 * 1000 * 1000,
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};
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TEST_ESP_OK(gptimer_new_timer(&timer_config, &gptimer));
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gptimer_event_callbacks_t cbs = {
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.on_alarm = on_gptimer_alarm_cb,
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};
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gptimer_alarm_config_t alarm_config = {
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.reload_count = 0,
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.alarm_count = 120,
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.flags.auto_reload_on_alarm = true,
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};
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TEST_ESP_OK(gptimer_set_alarm_action(gptimer, &alarm_config));
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TEST_ESP_OK(gptimer_register_event_callbacks(gptimer, &cbs, &block_arg));
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TEST_ESP_OK(gptimer_start(gptimer));
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xTaskCreatePinnedToCore(flash_read_task, "read_flash", 2048, &read_arg, 3, NULL, portNUM_PROCESSORS - 1);
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// wait for task done
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xSemaphoreTake(done_sem, portMAX_DELAY);
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printf("alarm callback runs %d times\r\n", block_arg.repeat_count);
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TEST_ASSERT_GREATER_THAN(1000, block_arg.repeat_count);
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// delete gptimer
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TEST_ESP_OK(gptimer_stop(gptimer));
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TEST_ESP_OK(gptimer_del_timer(gptimer));
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vSemaphoreDelete(done_sem);
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free(buf);
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// leave time for IDLE task to recycle deleted task
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vTaskDelay(2);
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}
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#endif // CONFIG_GPTIMER_ISR_IRAM_SAFE
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