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63 lines
1.9 KiB
C
63 lines
1.9 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 <inttypes.h>
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#include "unity.h"
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#include "unity_test_utils.h"
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#include "esp_attr.h"
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#include "driver/gptimer.h"
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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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uint32_t *alarm_counts = (uint32_t *)user_ctx;
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(*alarm_counts)++;
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return false;
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}
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static void IRAM_ATTR test_delay_post_cache_disable(void *args)
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{
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esp_rom_delay_us(1000);
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}
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TEST_CASE("gptimer_interrupt_iram_safe", "[gptimer]")
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{
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gptimer_handle_t gptimer = NULL;
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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, // 1MHz, 1 tick = 1us
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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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uint32_t alarm_counts = 0;
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TEST_ESP_OK(gptimer_register_event_callbacks(gptimer, &cbs, &alarm_counts));
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gptimer_alarm_config_t alarm_config = {
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.reload_count = 0,
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.alarm_count = 100, // 100us per alarm event
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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_enable(gptimer));
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TEST_ESP_OK(gptimer_start(gptimer));
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vTaskDelay(pdMS_TO_TICKS(10));
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printf("disable flash cache and check the alarm events are still in working\r\n");
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for (int i = 0; i < 10; i++) {
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unity_utils_run_cache_disable_stub(test_delay_post_cache_disable, NULL);
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}
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printf("alarm counts: %"PRIu32"\r\n", alarm_counts);
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TEST_ASSERT_GREATER_THAN(150, alarm_counts);
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// delete gptimer
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TEST_ESP_OK(gptimer_stop(gptimer));
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TEST_ESP_OK(gptimer_disable(gptimer));
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TEST_ESP_OK(gptimer_del_timer(gptimer));
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}
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