893 lines
29 KiB
C
893 lines
29 KiB
C
#include <stdio.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "esp_system.h"
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#include "unity.h"
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#include "nvs_flash.h"
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#include "driver/timer.h"
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#define TIMER_DIVIDER 16
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#define TIMER_SCALE (TIMER_BASE_CLK / TIMER_DIVIDER) /*!< used to calculate counter value */
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#define TIMER_DELTA 0.001
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static bool alarm_flag;
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typedef struct {
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timer_group_t timer_group;
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timer_idx_t timer_idx;
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} timer_info_t;
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#define TIMER_INFO_INIT(TG, TID) {.timer_group = (TG), .timer_idx = (TID),}
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static timer_info_t timer_info[4] = {
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TIMER_INFO_INIT(TIMER_GROUP_0, TIMER_0),
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TIMER_INFO_INIT(TIMER_GROUP_0, TIMER_1),
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TIMER_INFO_INIT(TIMER_GROUP_1, TIMER_0),
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TIMER_INFO_INIT(TIMER_GROUP_1, TIMER_1),
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};
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#define GET_TIMER_INFO(TG, TID) (&timer_info[(TG)*2+(TID)])
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// timer group interruption
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static void test_timer_group_isr(void *para)
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{
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timer_info_t* info = (timer_info_t*) para;
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const timer_group_t timer_group = info->timer_group;
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const timer_idx_t timer_idx = info->timer_idx;
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uint64_t timer_val;
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double time;
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uint64_t alarm_value;
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alarm_flag = true;
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if (timer_group_get_auto_reload_in_isr(timer_group, timer_idx)) {
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timer_group_clr_intr_status_in_isr(timer_group, timer_idx);
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ets_printf("This is TG%d timer[%d] reload-timer alarm!\n", timer_group, timer_idx);
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timer_get_counter_value(timer_group, timer_idx, &timer_val);
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timer_get_counter_time_sec(timer_group, timer_idx, &time);
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ets_printf("time: %.8f S\n", time);
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} else {
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timer_group_clr_intr_status_in_isr(timer_group, timer_idx);
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ets_printf("This is TG%d timer[%d] count-up-timer alarm!\n", timer_group, timer_idx);
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timer_get_counter_value(timer_group, timer_idx, &timer_val);
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timer_get_counter_time_sec(timer_group, timer_idx, &time);
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timer_get_alarm_value(timer_group, timer_idx, &alarm_value);
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ets_printf("time: %.8f S\n", time);
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double alarm_time = (double) alarm_value / TIMER_SCALE;
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ets_printf("alarm_time: %.8f S\n", alarm_time);
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}
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}
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// initialize exact timer group
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static void tg_timer_init(int timer_group, int timer_idx, double alarm_time)
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{
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timer_pause(timer_group, timer_idx);
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timer_set_counter_value(timer_group, timer_idx, 0x0);
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timer_set_alarm_value(timer_group, timer_idx, alarm_time * TIMER_SCALE);
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timer_enable_intr(timer_group, timer_idx);
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timer_isr_register(timer_group, timer_idx, test_timer_group_isr, GET_TIMER_INFO(timer_group, timer_idx), ESP_INTR_FLAG_LOWMED, NULL);
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timer_start(timer_group, timer_idx);
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}
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// initialize all timer
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static void all_timer_init(timer_config_t config, bool flag)
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{
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esp_err_t ret;
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ret = timer_init(TIMER_GROUP_0, TIMER_0, &config);
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if (flag) {
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TEST_ASSERT(ret == ESP_OK);
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} else {
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TEST_ASSERT(ret == ESP_ERR_INVALID_ARG);
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}
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ret = timer_init(TIMER_GROUP_0, TIMER_1, &config);
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if (flag) {
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TEST_ASSERT(ret == ESP_OK);
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} else {
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TEST_ASSERT(ret == ESP_ERR_INVALID_ARG);
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}
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ret = timer_init(TIMER_GROUP_1, TIMER_0, &config);
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if (flag) {
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TEST_ASSERT(ret == ESP_OK);
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} else {
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TEST_ASSERT(ret == ESP_ERR_INVALID_ARG);
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}
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ret = timer_init(TIMER_GROUP_1, TIMER_1, &config);
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if (flag) {
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TEST_ASSERT(ret == ESP_OK);
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} else {
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TEST_ASSERT(ret == ESP_ERR_INVALID_ARG);
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}
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}
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// start all of timer
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static void all_timer_start(void)
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{
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esp_err_t ret;
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ret = timer_start(TIMER_GROUP_0, TIMER_0);
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TEST_ASSERT(ret == ESP_OK);
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ret = timer_start(TIMER_GROUP_0, TIMER_1);
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TEST_ASSERT(ret == ESP_OK);
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ret = timer_start(TIMER_GROUP_1, TIMER_0);
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TEST_ASSERT(ret == ESP_OK);
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ret = timer_start(TIMER_GROUP_1, TIMER_1);
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TEST_ASSERT(ret == ESP_OK);
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}
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static void all_timer_set_counter_value(uint64_t set_timer_val)
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{
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esp_err_t ret;
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ret = timer_set_counter_value(TIMER_GROUP_0, TIMER_0, set_timer_val);
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TEST_ASSERT(ret == ESP_OK);
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ret = timer_set_counter_value(TIMER_GROUP_0, TIMER_1, set_timer_val);
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TEST_ASSERT(ret == ESP_OK);
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ret = timer_set_counter_value(TIMER_GROUP_1, TIMER_0, set_timer_val);
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TEST_ASSERT(ret == ESP_OK);
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ret = timer_set_counter_value(TIMER_GROUP_1, TIMER_1, set_timer_val);
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TEST_ASSERT(ret == ESP_OK);
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}
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static void all_timer_pause(void)
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{
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esp_err_t ret;
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ret = timer_pause(TIMER_GROUP_0, TIMER_0);
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TEST_ASSERT(ret == ESP_OK);
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ret = timer_pause(TIMER_GROUP_0, TIMER_1);
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TEST_ASSERT(ret == ESP_OK);
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ret = timer_pause(TIMER_GROUP_1, TIMER_0);
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TEST_ASSERT(ret == ESP_OK);
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ret = timer_pause(TIMER_GROUP_1, TIMER_1);
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TEST_ASSERT(ret == ESP_OK);
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}
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static void all_timer_get_counter_value(uint64_t set_timer_val, bool flag,
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uint64_t *counter_val)
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{
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esp_err_t ret;
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uint64_t time_val;
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ret = timer_get_counter_value(TIMER_GROUP_0, TIMER_0, &time_val);
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TEST_ASSERT(ret == ESP_OK);
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if (flag == true) {
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TEST_ASSERT(set_timer_val == time_val);
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} else {
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TEST_ASSERT(set_timer_val != time_val);
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if (counter_val != NULL) {
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counter_val[0] = time_val;
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}
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}
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ret = timer_get_counter_value(TIMER_GROUP_0, TIMER_1, &time_val);
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TEST_ASSERT(ret == ESP_OK);
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if (flag) {
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TEST_ASSERT(set_timer_val == time_val);
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} else {
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TEST_ASSERT(set_timer_val != time_val);
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if (counter_val != NULL) {
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counter_val[1] = time_val;
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}
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}
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ret = timer_get_counter_value(TIMER_GROUP_1, TIMER_0, &time_val);
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TEST_ASSERT(ret == ESP_OK);
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if (flag) {
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TEST_ASSERT(set_timer_val == time_val);
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} else {
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TEST_ASSERT(set_timer_val != time_val);
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if (counter_val != NULL) {
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counter_val[2] = time_val;
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}
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}
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ret = timer_get_counter_value(TIMER_GROUP_1, TIMER_1, &time_val);
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TEST_ASSERT(ret == ESP_OK);
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if (flag) {
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TEST_ASSERT(set_timer_val == time_val);
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} else {
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TEST_ASSERT(set_timer_val != time_val);
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if (counter_val != NULL) {
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counter_val[3] = time_val;
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}
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}
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}
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static void all_timer_get_counter_time_sec(bool flag, int delay_time)
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{
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double time;
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esp_err_t ret;
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ret = timer_get_counter_time_sec(TIMER_GROUP_0, TIMER_0, &time);
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TEST_ASSERT(ret == ESP_OK);
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if (!flag) {
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TEST_ASSERT_FLOAT_WITHIN(TIMER_DELTA, delay_time, time);
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}
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ret = timer_get_counter_time_sec(TIMER_GROUP_0, TIMER_1, &time);
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TEST_ASSERT(ret == ESP_OK);
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if (!flag) {
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TEST_ASSERT_FLOAT_WITHIN(TIMER_DELTA, delay_time, time);
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}
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ret = timer_get_counter_time_sec(TIMER_GROUP_1, TIMER_0, &time);
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TEST_ASSERT(ret == ESP_OK);
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if (!flag) {
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TEST_ASSERT_FLOAT_WITHIN(TIMER_DELTA, delay_time, time);
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}
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ret = timer_get_counter_time_sec(TIMER_GROUP_1, TIMER_1, &time);
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TEST_ASSERT(ret == ESP_OK);
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if (!flag) {
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TEST_ASSERT_FLOAT_WITHIN(TIMER_DELTA, delay_time, time);
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}
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}
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static void all_timer_set_counter_mode(timer_count_dir_t counter_dir)
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{
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esp_err_t ret;
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ret = timer_set_counter_mode(TIMER_GROUP_0, TIMER_0, counter_dir);
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TEST_ASSERT(ret == ESP_OK);
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ret = timer_set_counter_mode(TIMER_GROUP_0, TIMER_1, counter_dir);
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TEST_ASSERT(ret == ESP_OK);
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ret = timer_set_counter_mode(TIMER_GROUP_1, TIMER_0, counter_dir);
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TEST_ASSERT(ret == ESP_OK);
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ret = timer_set_counter_mode(TIMER_GROUP_1, TIMER_1, counter_dir);
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TEST_ASSERT(ret == ESP_OK);
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}
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static void all_timer_set_divider(uint32_t divider)
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{
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esp_err_t ret;
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ret = timer_set_divider(TIMER_GROUP_0, TIMER_0, divider);
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TEST_ASSERT(ret == ESP_OK);
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ret = timer_set_divider(TIMER_GROUP_0, TIMER_1, divider);
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TEST_ASSERT(ret == ESP_OK);
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ret = timer_set_divider(TIMER_GROUP_1, TIMER_0, divider);
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TEST_ASSERT(ret == ESP_OK);
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ret = timer_set_divider(TIMER_GROUP_1, TIMER_1, divider);
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TEST_ASSERT(ret == ESP_OK);
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}
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static void all_timer_set_alarm_value(double alarm_time)
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{
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esp_err_t ret;
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ret = timer_set_alarm_value(TIMER_GROUP_0, TIMER_0,
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alarm_time * TIMER_SCALE);
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TEST_ASSERT(ret == ESP_OK);
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ret = timer_set_alarm_value(TIMER_GROUP_0, TIMER_1,
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alarm_time * TIMER_SCALE);
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TEST_ASSERT(ret == ESP_OK);
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ret = timer_set_alarm_value(TIMER_GROUP_1, TIMER_0,
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alarm_time * TIMER_SCALE);
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TEST_ASSERT(ret == ESP_OK);
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ret = timer_set_alarm_value(TIMER_GROUP_1, TIMER_1,
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alarm_time * TIMER_SCALE);
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TEST_ASSERT(ret == ESP_OK);
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}
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TEST_CASE("Timer init", "[hw_timer]")
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{
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esp_err_t ret;
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// Test init 1:config para
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// empty para
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timer_config_t config0 = { };
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all_timer_init(config0, false);
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// only one para
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timer_config_t config1 = {
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.auto_reload = 1
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};
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all_timer_init(config1, false);
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// lack one para
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timer_config_t config2 = {
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.auto_reload = 1,
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.counter_dir = TIMER_COUNT_UP,
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.divider = TIMER_DIVIDER,
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.counter_en = 1,
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.intr_type = TIMER_INTR_LEVEL
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};
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all_timer_init(config2, true);
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config2.counter_en = 0;
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all_timer_init(config2, true);
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// error config para
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timer_config_t config3 = {
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.alarm_en = 3, //error para
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.auto_reload = 1,
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.counter_dir = TIMER_COUNT_UP,
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.divider = TIMER_DIVIDER,
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.counter_en = 1,
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.intr_type = TIMER_INTR_LEVEL
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};
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all_timer_init(config3, true);
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timer_config_t get_config;
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timer_get_config(TIMER_GROUP_1, TIMER_1, &get_config);
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printf("Error config alarm_en is %d\n", get_config.alarm_en);
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TEST_ASSERT(config3.alarm_en != get_config.alarm_en);
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// Test init 2: init
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uint64_t set_timer_val = 0x0;
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timer_config_t config = {
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.alarm_en = 0,
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.auto_reload = 1,
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.counter_dir = TIMER_COUNT_UP,
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.divider = TIMER_DIVIDER,
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.counter_en = 1,
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.intr_type = TIMER_INTR_LEVEL
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};
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// judge get config parameters
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timer_init(TIMER_GROUP_0, TIMER_0, &config);
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timer_get_config(TIMER_GROUP_0, TIMER_0, &get_config);
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TEST_ASSERT(config.alarm_en == get_config.alarm_en);
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TEST_ASSERT(config.auto_reload == get_config.auto_reload);
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TEST_ASSERT(config.counter_dir == get_config.counter_dir);
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TEST_ASSERT(config.counter_en == get_config.counter_en);
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TEST_ASSERT(config.intr_type == get_config.intr_type);
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TEST_ASSERT(config.divider == get_config.divider);
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all_timer_init(config, true);
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all_timer_pause();
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all_timer_set_counter_value(set_timer_val);
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all_timer_start();
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all_timer_get_counter_value(set_timer_val, false, NULL);
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// Test init 3: wrong para
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ret = timer_init(-1, TIMER_1, &config);
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TEST_ASSERT(ret == ESP_ERR_INVALID_ARG);
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ret = timer_init(TIMER_GROUP_1, 2, &config);
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TEST_ASSERT(ret == ESP_ERR_INVALID_ARG);
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ret = timer_init(TIMER_GROUP_1, -1, &config);
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TEST_ASSERT(ret == ESP_ERR_INVALID_ARG);
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ret = timer_init(2, TIMER_1, &config);
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TEST_ASSERT(ret == ESP_ERR_INVALID_ARG);
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}
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/**
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* read count case:
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* 1. start timer compare value
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* 2. pause timer compare value
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* 3. delay some time */
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TEST_CASE("Timer read counter value", "[hw_timer]")
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{
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timer_config_t config = {
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.alarm_en = 1,
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.auto_reload = 1,
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.counter_dir = TIMER_COUNT_UP,
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.divider = TIMER_DIVIDER,
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.counter_en = 1,
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.intr_type = TIMER_INTR_LEVEL
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};
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uint64_t set_timer_val = 0x0;
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all_timer_init(config, true);
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// Test read value 1: start timer get counter value
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all_timer_set_counter_value(set_timer_val);
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all_timer_start();
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all_timer_get_counter_value(set_timer_val, false, NULL);
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// Test read value 2: pause timer get counter value
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all_timer_pause();
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set_timer_val = 0x30405000ULL;
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all_timer_set_counter_value(set_timer_val);
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all_timer_get_counter_value(set_timer_val, true, NULL);
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// Test read value 3:delay 1s get counter value
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set_timer_val = 0x0;
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all_timer_set_counter_value(set_timer_val);
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all_timer_start();
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vTaskDelay(1000 / portTICK_PERIOD_MS);
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all_timer_get_counter_time_sec(true, 1);
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}
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/**
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* start timer case:
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* 1. normal start
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* 2. error start para
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* */
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TEST_CASE("Timer start", "[hw_timer]")
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{
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esp_err_t ret;
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timer_config_t config = {
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.alarm_en = 1,
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.auto_reload = 1,
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.counter_dir = TIMER_COUNT_UP,
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.divider = TIMER_DIVIDER,
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.counter_en = 1,
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.intr_type = TIMER_INTR_LEVEL
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};
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uint64_t set_timer_val = 0x0;
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all_timer_init(config, true);
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//Test start 1: normal start
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all_timer_start();
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all_timer_set_counter_value(set_timer_val);
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all_timer_get_counter_value(set_timer_val, false, NULL);
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//Test start 2:wrong para
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ret = timer_start(2, TIMER_1);
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TEST_ASSERT(ret == ESP_ERR_INVALID_ARG);
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ret = timer_start(-1, TIMER_1);
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TEST_ASSERT(ret == ESP_ERR_INVALID_ARG);
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ret = timer_start(TIMER_GROUP_1, 2);
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TEST_ASSERT(ret == ESP_ERR_INVALID_ARG);
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ret = timer_start(TIMER_GROUP_1, -1);
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TEST_ASSERT(ret == ESP_ERR_INVALID_ARG);
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}
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/**
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* pause timer case:
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* 1. normal pause, read value
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* 2. error pause error
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*/
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TEST_CASE("Timer pause", "[hw_timer]")
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{
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esp_err_t ret;
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timer_config_t config = {
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.alarm_en = 1,
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.auto_reload = 1,
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.counter_dir = TIMER_COUNT_UP,
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.divider = TIMER_DIVIDER,
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.counter_en = 1,
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.intr_type = TIMER_INTR_LEVEL
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};
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uint64_t set_timer_val = 0x0;
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all_timer_init(config, true);
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//Test pause 1: right para
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all_timer_pause();
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all_timer_set_counter_value(set_timer_val);
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all_timer_get_counter_value(set_timer_val, true, NULL);
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//Test pause 2: wrong para
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ret = timer_pause(-1, TIMER_0);
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TEST_ASSERT(ret == ESP_ERR_INVALID_ARG);
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ret = timer_pause(TIMER_GROUP_0, -1);
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TEST_ASSERT(ret == ESP_ERR_INVALID_ARG);
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ret = timer_pause(2, TIMER_0);
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TEST_ASSERT(ret == ESP_ERR_INVALID_ARG);
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ret = timer_pause(TIMER_GROUP_1, 2);
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TEST_ASSERT(ret == ESP_ERR_INVALID_ARG);
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}
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// positive mode and negative mode
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TEST_CASE("Timer counter mode (up / down)", "[hw_timer]")
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{
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esp_err_t ret;
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timer_config_t config = {
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.alarm_en = 1,
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.auto_reload = 1,
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.counter_dir = TIMER_COUNT_UP,
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.divider = TIMER_DIVIDER,
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.counter_en = 1,
|
|
.intr_type = TIMER_INTR_LEVEL
|
|
};
|
|
uint64_t set_timer_val = 0x0;
|
|
all_timer_init(config, true);
|
|
all_timer_pause();
|
|
|
|
// Test counter mode 1: TIMER_COUNT_UP
|
|
all_timer_set_counter_mode(TIMER_COUNT_UP);
|
|
all_timer_set_counter_value(set_timer_val);
|
|
all_timer_start();
|
|
vTaskDelay(1000 / portTICK_PERIOD_MS);
|
|
all_timer_get_counter_time_sec(true, 1);
|
|
|
|
// Test counter mode 2: TIMER_COUNT_DOWN
|
|
all_timer_pause();
|
|
set_timer_val = 0x00E4E1C0ULL; // 3s clock counter value
|
|
all_timer_set_counter_mode(TIMER_COUNT_DOWN);
|
|
all_timer_set_counter_value(set_timer_val);
|
|
all_timer_start();
|
|
vTaskDelay(1000 / portTICK_PERIOD_MS);
|
|
all_timer_get_counter_time_sec(true, 2);
|
|
|
|
// Test counter mode 3 : wrong para
|
|
ret = timer_set_counter_mode(TIMER_GROUP_0, TIMER_0, -1);
|
|
TEST_ASSERT(ret == ESP_ERR_INVALID_ARG);
|
|
ret = timer_set_counter_mode(TIMER_GROUP_0, TIMER_0, 2);
|
|
TEST_ASSERT(ret == ESP_ERR_INVALID_ARG);
|
|
}
|
|
|
|
/**
|
|
* divider case:
|
|
* 1. different divider, read value
|
|
* Note: divide 0 = divide max, divide 1 = divide 2
|
|
* 2. error para
|
|
*
|
|
* the frequency(timer counts in one sec):
|
|
* 80M/divider = 800*100000
|
|
* max divider value is 65536, its frequency is 1220 (nearly about 1KHz)
|
|
*/
|
|
TEST_CASE("Timer divider", "[hw_timer]")
|
|
{
|
|
int i;
|
|
timer_config_t config = {
|
|
.alarm_en = 1,
|
|
.auto_reload = 1,
|
|
.counter_dir = TIMER_COUNT_UP,
|
|
.divider = TIMER_DIVIDER,
|
|
.counter_en = 1,
|
|
.intr_type = TIMER_INTR_LEVEL
|
|
};
|
|
uint64_t set_timer_val = 0;
|
|
uint64_t time_val[4];
|
|
uint64_t comp_time_val[4];
|
|
all_timer_init(config, true);
|
|
|
|
all_timer_pause();
|
|
all_timer_set_counter_value(set_timer_val);
|
|
|
|
all_timer_start();
|
|
vTaskDelay(1000 / portTICK_PERIOD_MS);
|
|
all_timer_get_counter_value(set_timer_val, false, time_val);
|
|
|
|
// compare divider 16 and 8, value should be double
|
|
all_timer_pause();
|
|
all_timer_set_divider(8);
|
|
all_timer_set_counter_value(set_timer_val);
|
|
|
|
all_timer_start();
|
|
vTaskDelay(1000 / portTICK_PERIOD_MS); //delay the same time
|
|
all_timer_get_counter_value(set_timer_val, false, comp_time_val);
|
|
for (i = 0; i < 4; i++) {
|
|
TEST_ASSERT_INT_WITHIN(5000, 5000000, time_val[i]);
|
|
TEST_ASSERT_INT_WITHIN(10000, 10000000, comp_time_val[i]);
|
|
}
|
|
|
|
// divider is 256, value should be 2^4
|
|
all_timer_pause();
|
|
all_timer_set_divider(256);
|
|
all_timer_set_counter_value(set_timer_val);
|
|
all_timer_start();
|
|
vTaskDelay(1000 / portTICK_PERIOD_MS); //delay the same time
|
|
all_timer_get_counter_value(set_timer_val, false, comp_time_val);
|
|
for (i = 0; i < 4; i++) {
|
|
TEST_ASSERT_INT_WITHIN(5000, 5000000, time_val[i]);
|
|
TEST_ASSERT_INT_WITHIN(3126, 312500, comp_time_val[i]);
|
|
}
|
|
|
|
// extrem value test
|
|
all_timer_pause();
|
|
all_timer_set_divider(2);
|
|
all_timer_set_counter_value(set_timer_val);
|
|
all_timer_start();
|
|
vTaskDelay(1000 / portTICK_PERIOD_MS);
|
|
all_timer_get_counter_value(set_timer_val, false, comp_time_val);
|
|
for (i = 0; i < 4; i++) {
|
|
TEST_ASSERT_INT_WITHIN(5000, 5000000, time_val[i]);
|
|
TEST_ASSERT_INT_WITHIN(40000 , 40000000, comp_time_val[i]);
|
|
}
|
|
|
|
all_timer_pause();
|
|
all_timer_set_divider(65536);
|
|
all_timer_set_counter_value(set_timer_val);
|
|
all_timer_start();
|
|
vTaskDelay(1000 / portTICK_PERIOD_MS); //delay the same time
|
|
all_timer_get_counter_value(set_timer_val, false, comp_time_val);
|
|
for (i = 0; i < 4; i++) {
|
|
TEST_ASSERT_INT_WITHIN(5000, 5000000, time_val[i]);
|
|
TEST_ASSERT_INT_WITHIN(2 , 1220, comp_time_val[i]);
|
|
}
|
|
|
|
// divider is 1 should be equal with 2
|
|
all_timer_pause();
|
|
TEST_ASSERT(timer_set_divider(TIMER_GROUP_0, TIMER_0, 1) == ESP_ERR_INVALID_ARG) ;
|
|
TEST_ASSERT(timer_set_divider(TIMER_GROUP_1, TIMER_0, 1) == ESP_ERR_INVALID_ARG) ;
|
|
TEST_ASSERT(timer_set_divider(TIMER_GROUP_0, TIMER_1, 1) == ESP_ERR_INVALID_ARG) ;
|
|
TEST_ASSERT(timer_set_divider(TIMER_GROUP_1, TIMER_1, 1) == ESP_ERR_INVALID_ARG) ;
|
|
|
|
all_timer_pause();
|
|
TEST_ASSERT(timer_set_divider(TIMER_GROUP_0, TIMER_0, 65537) == ESP_ERR_INVALID_ARG) ;
|
|
TEST_ASSERT(timer_set_divider(TIMER_GROUP_1, TIMER_0, 65537) == ESP_ERR_INVALID_ARG) ;
|
|
TEST_ASSERT(timer_set_divider(TIMER_GROUP_0, TIMER_1, 65537) == ESP_ERR_INVALID_ARG) ;
|
|
TEST_ASSERT(timer_set_divider(TIMER_GROUP_1, TIMER_1, 65537) == ESP_ERR_INVALID_ARG) ;
|
|
}
|
|
|
|
/**
|
|
* enable alarm case:
|
|
* 1. enable alarm ,set alarm value and get value
|
|
* 2. disable alarm ,set alarm value and get value
|
|
*/
|
|
TEST_CASE("Timer enable alarm", "[hw_timer]")
|
|
{
|
|
timer_config_t config_test = {
|
|
.alarm_en = 1,
|
|
.auto_reload = 1,
|
|
.counter_dir = TIMER_COUNT_UP,
|
|
.divider = TIMER_DIVIDER,
|
|
.counter_en = 1,
|
|
.intr_type = TIMER_INTR_LEVEL
|
|
};
|
|
all_timer_init(config_test, true);
|
|
|
|
// enable alarm
|
|
alarm_flag = false;
|
|
tg_timer_init(TIMER_GROUP_0, TIMER_1, 1.2);
|
|
vTaskDelay(2000 / portTICK_PERIOD_MS);
|
|
TEST_ASSERT(alarm_flag == true);
|
|
|
|
// disable alarm
|
|
alarm_flag = false;
|
|
timer_set_alarm(TIMER_GROUP_0, TIMER_1, TIMER_ALARM_DIS);
|
|
tg_timer_init(TIMER_GROUP_0, TIMER_1, 1.2);
|
|
vTaskDelay(2000 / portTICK_PERIOD_MS);
|
|
TEST_ASSERT(alarm_flag == false);
|
|
|
|
// enable alarm
|
|
alarm_flag = false;
|
|
timer_set_alarm(TIMER_GROUP_1, TIMER_0, TIMER_ALARM_EN);
|
|
tg_timer_init(TIMER_GROUP_1, TIMER_0, 1.2);
|
|
vTaskDelay(2000 / portTICK_PERIOD_MS);
|
|
TEST_ASSERT(alarm_flag == true);
|
|
|
|
// disable alarm
|
|
alarm_flag = false;
|
|
timer_set_alarm(TIMER_GROUP_1, TIMER_0, TIMER_ALARM_DIS);
|
|
tg_timer_init(TIMER_GROUP_1, TIMER_0, 1.2);
|
|
vTaskDelay(2000 / portTICK_PERIOD_MS);
|
|
TEST_ASSERT(alarm_flag == false);
|
|
}
|
|
|
|
/**
|
|
* alarm value case:
|
|
* 1. set alarm value and get value
|
|
* 2. interrupt test time
|
|
*/
|
|
TEST_CASE("Timer set alarm value", "[hw_timer]")
|
|
{
|
|
esp_err_t ret;
|
|
int i;
|
|
uint64_t alarm_val[4];
|
|
timer_config_t config = {
|
|
.alarm_en = 1,
|
|
.auto_reload = TIMER_AUTORELOAD_DIS,
|
|
.counter_dir = TIMER_COUNT_UP,
|
|
.divider = TIMER_DIVIDER,
|
|
.counter_en = 0,
|
|
.intr_type = TIMER_INTR_LEVEL
|
|
};
|
|
all_timer_init(config, true);
|
|
|
|
// set and get alarm value
|
|
all_timer_set_alarm_value(3);
|
|
ret = timer_get_alarm_value(TIMER_GROUP_0, TIMER_0, &alarm_val[0]);
|
|
TEST_ASSERT(ret == ESP_OK);
|
|
ret = timer_get_alarm_value(TIMER_GROUP_0, TIMER_1, &alarm_val[1]);
|
|
TEST_ASSERT(ret == ESP_OK);
|
|
ret = timer_get_alarm_value(TIMER_GROUP_1, TIMER_0, &alarm_val[2]);
|
|
TEST_ASSERT(ret == ESP_OK);
|
|
ret = timer_get_alarm_value(TIMER_GROUP_1, TIMER_1, &alarm_val[3]);
|
|
TEST_ASSERT(ret == ESP_OK);
|
|
for (i = 0; i < 4; i++) {
|
|
TEST_ASSERT_EQUAL_UINT32(alarm_val[i] , TIMER_SCALE * 3);
|
|
}
|
|
|
|
// set interrupt read alarm value
|
|
tg_timer_init(TIMER_GROUP_0, TIMER_1, 2.4);
|
|
tg_timer_init(TIMER_GROUP_1, TIMER_0, 1.4);
|
|
vTaskDelay(3000 / portTICK_PERIOD_MS);
|
|
}
|
|
|
|
/**
|
|
* auto reload case:
|
|
* 1. no reload
|
|
* 2. auto reload
|
|
*/
|
|
TEST_CASE("Timer auto reload", "[hw_timer]")
|
|
{
|
|
timer_config_t config = {
|
|
.alarm_en = 1,
|
|
.auto_reload = TIMER_AUTORELOAD_DIS,
|
|
.counter_dir = TIMER_COUNT_UP,
|
|
.divider = TIMER_DIVIDER,
|
|
.counter_en = 1,
|
|
.intr_type = TIMER_INTR_LEVEL
|
|
};
|
|
all_timer_init(config, true);
|
|
|
|
// test disable auto_reload
|
|
tg_timer_init(TIMER_GROUP_0, TIMER_0, 1.14);
|
|
tg_timer_init(TIMER_GROUP_1, TIMER_1, 1.14);
|
|
vTaskDelay(2000 / portTICK_PERIOD_MS);
|
|
|
|
//test enable auto_reload
|
|
timer_set_auto_reload(TIMER_GROUP_0, TIMER_1, TIMER_AUTORELOAD_EN);
|
|
tg_timer_init(TIMER_GROUP_0, TIMER_1, 1.4);
|
|
timer_set_auto_reload(TIMER_GROUP_1, TIMER_0, TIMER_AUTORELOAD_EN);
|
|
tg_timer_init(TIMER_GROUP_1, TIMER_0, 1.4);
|
|
vTaskDelay(2000 / portTICK_PERIOD_MS);
|
|
}
|
|
|
|
/**
|
|
* timer_enable_intr case:
|
|
* 1. enable timer_intr
|
|
* 2. disable timer_intr
|
|
*/
|
|
TEST_CASE("Timer enable timer interrupt", "[hw_timer]")
|
|
{
|
|
alarm_flag = false;
|
|
timer_config_t config = {
|
|
.alarm_en = 1,
|
|
.auto_reload = TIMER_AUTORELOAD_DIS,
|
|
.counter_dir = TIMER_COUNT_UP,
|
|
.divider = TIMER_DIVIDER,
|
|
.counter_en = TIMER_PAUSE,
|
|
.intr_type = TIMER_INTR_LEVEL
|
|
};
|
|
uint64_t set_timer_val = 0x0;
|
|
all_timer_init(config, true);
|
|
all_timer_pause();
|
|
all_timer_set_counter_value(set_timer_val);
|
|
all_timer_set_alarm_value(1.2);
|
|
|
|
// enable timer_intr0
|
|
timer_set_counter_value(TIMER_GROUP_0, TIMER_0, set_timer_val);
|
|
timer_set_alarm_value(TIMER_GROUP_0, TIMER_0, 1.2 * TIMER_SCALE);
|
|
timer_isr_register(TIMER_GROUP_0, TIMER_0, test_timer_group_isr,
|
|
GET_TIMER_INFO(TIMER_GROUP_0, TIMER_0), ESP_INTR_FLAG_LOWMED, NULL);
|
|
timer_start(TIMER_GROUP_0, TIMER_0);
|
|
vTaskDelay(2000 / portTICK_PERIOD_MS);
|
|
TEST_ASSERT(alarm_flag == true)
|
|
|
|
// disable timer_intr0
|
|
alarm_flag = false;
|
|
timer_set_counter_value(TIMER_GROUP_0, TIMER_0, set_timer_val);
|
|
timer_set_alarm_value(TIMER_GROUP_0, TIMER_0, 1.2 * TIMER_SCALE);
|
|
timer_disable_intr(TIMER_GROUP_0, TIMER_0);
|
|
timer_start(TIMER_GROUP_0, TIMER_0);
|
|
vTaskDelay(2000 / portTICK_PERIOD_MS);
|
|
TEST_ASSERT(alarm_flag == false)
|
|
|
|
// enable timer_intr1
|
|
timer_set_counter_value(TIMER_GROUP_1, TIMER_1, set_timer_val);
|
|
timer_set_alarm_value(TIMER_GROUP_1, TIMER_1, 1.2 * TIMER_SCALE);
|
|
timer_isr_register(TIMER_GROUP_1, TIMER_1, test_timer_group_isr,
|
|
GET_TIMER_INFO(TIMER_GROUP_1, TIMER_1), ESP_INTR_FLAG_LOWMED, NULL);
|
|
timer_start(TIMER_GROUP_1, TIMER_1);
|
|
vTaskDelay(2000 / portTICK_PERIOD_MS);
|
|
TEST_ASSERT(alarm_flag == true)
|
|
|
|
// disable timer_intr1
|
|
alarm_flag = false;
|
|
timer_set_counter_value(TIMER_GROUP_1, TIMER_1, set_timer_val);
|
|
timer_set_alarm_value(TIMER_GROUP_1, TIMER_1, 1.2 * TIMER_SCALE);
|
|
timer_disable_intr(TIMER_GROUP_1, TIMER_1);
|
|
timer_start(TIMER_GROUP_1, TIMER_1);
|
|
vTaskDelay(2000 / portTICK_PERIOD_MS);
|
|
TEST_ASSERT(alarm_flag == false);
|
|
|
|
//enable timer_intr1 again
|
|
timer_init(TIMER_GROUP_1, TIMER_1, &config);
|
|
timer_set_counter_value(TIMER_GROUP_1, TIMER_1, set_timer_val);
|
|
timer_set_alarm_value(TIMER_GROUP_1, TIMER_1, 1.2 * TIMER_SCALE);
|
|
timer_enable_intr(TIMER_GROUP_1, TIMER_1);
|
|
timer_start(TIMER_GROUP_1, TIMER_1);
|
|
vTaskDelay(2000 / portTICK_PERIOD_MS);
|
|
TEST_ASSERT(alarm_flag == true)
|
|
}
|
|
|
|
/**
|
|
* enable timer group case:
|
|
* 1. enable timer group
|
|
* 2. disable timer group
|
|
*/
|
|
TEST_CASE("Timer enable timer group interrupt", "[hw_timer][ignore]")
|
|
{
|
|
alarm_flag = false;
|
|
timer_config_t config = {
|
|
.alarm_en = 1,
|
|
.auto_reload = TIMER_AUTORELOAD_DIS,
|
|
.counter_dir = TIMER_COUNT_UP,
|
|
.divider = TIMER_DIVIDER,
|
|
.counter_en = 0,
|
|
.intr_type = TIMER_INTR_LEVEL
|
|
};
|
|
uint64_t set_timer_val = 0x0;
|
|
all_timer_init(config, true);
|
|
all_timer_pause();
|
|
all_timer_set_counter_value(set_timer_val);
|
|
all_timer_set_alarm_value(1.2);
|
|
|
|
// enable timer group
|
|
timer_group_intr_enable(TIMER_GROUP_0, TIMER_INTR_T0);
|
|
timer_isr_register(TIMER_GROUP_0, TIMER_0, test_timer_group_isr, GET_TIMER_INFO(TIMER_GROUP_0, TIMER_0), ESP_INTR_FLAG_LOWMED, NULL);
|
|
timer_start(TIMER_GROUP_0, TIMER_0);
|
|
vTaskDelay(2000 / portTICK_PERIOD_MS);
|
|
TEST_ASSERT(alarm_flag == true);
|
|
|
|
//test enable auto_reload
|
|
alarm_flag = false;
|
|
timer_group_intr_disable(TIMER_GROUP_0, TIMER_INTR_T0);
|
|
timer_start(TIMER_GROUP_0, TIMER_0);
|
|
vTaskDelay(2000 / portTICK_PERIOD_MS);
|
|
TEST_ASSERT(alarm_flag == false);
|
|
|
|
timer_group_intr_enable(TIMER_GROUP_0, TIMER_INTR_T0);
|
|
timer_isr_register(TIMER_GROUP_0, TIMER_0, test_timer_group_isr, GET_TIMER_INFO(TIMER_GROUP_0, TIMER_0), ESP_INTR_FLAG_LOWMED, NULL);
|
|
timer_start(TIMER_GROUP_0, TIMER_0);
|
|
vTaskDelay(2000 / portTICK_PERIOD_MS);
|
|
TEST_ASSERT(alarm_flag == true);
|
|
}
|
|
|
|
/**
|
|
* isr_register case:
|
|
* Cycle register 15 times, compare the heap size to ensure no memory leaks
|
|
*/
|
|
TEST_CASE("Timer interrupt register", "[hw_timer]")
|
|
{
|
|
int i;
|
|
int heap_size = 0;
|
|
timer_config_t config = {
|
|
.alarm_en = 1,
|
|
.auto_reload = TIMER_AUTORELOAD_DIS,
|
|
.counter_dir = TIMER_COUNT_UP,
|
|
.divider = TIMER_DIVIDER,
|
|
.counter_en = TIMER_PAUSE,
|
|
.intr_type = TIMER_INTR_LEVEL
|
|
};
|
|
|
|
for (i = 0; i < 15; i++) {
|
|
all_timer_init(config, true);
|
|
tg_timer_init(TIMER_GROUP_0, TIMER_0, 0.54);
|
|
tg_timer_init(TIMER_GROUP_1, TIMER_1, 0.34);
|
|
|
|
timer_set_auto_reload(TIMER_GROUP_0, TIMER_1, TIMER_AUTORELOAD_EN);
|
|
tg_timer_init(TIMER_GROUP_0, TIMER_1, 0.4);
|
|
timer_set_auto_reload(TIMER_GROUP_1, TIMER_0, TIMER_AUTORELOAD_EN);
|
|
tg_timer_init(TIMER_GROUP_1, TIMER_0, 0.6);
|
|
vTaskDelay(1000 / portTICK_PERIOD_MS);
|
|
if (heap_size == 0) {
|
|
heap_size = esp_get_free_heap_size();
|
|
}
|
|
}
|
|
TEST_ASSERT_INT_WITHIN(100, heap_size, esp_get_free_heap_size());
|
|
}
|
|
|
|
// The following test cases are used to check if the timer_group fix works.
|
|
// Some applications use a software reset, at the reset time, timer_group happens to generate an interrupt.
|
|
// but software reset does not clear interrupt status, this is not safe for application when enable the interrupt of timer_group.
|
|
// This case will check under this fix, whether the interrupt status is cleared after timer_group initialization.
|
|
static void timer_group_test_init(void)
|
|
{
|
|
static const uint32_t time_ms = 100; //Alarm value 100ms.
|
|
static const uint16_t timer_div = 10; //Timer prescaler
|
|
static const uint32_t ste_val = time_ms * (TIMER_BASE_CLK / timer_div / 1000);
|
|
timer_config_t config = {
|
|
.divider = timer_div,
|
|
.counter_dir = TIMER_COUNT_UP,
|
|
.counter_en = TIMER_PAUSE,
|
|
.alarm_en = TIMER_ALARM_EN,
|
|
.intr_type = TIMER_INTR_LEVEL,
|
|
.auto_reload = true,
|
|
};
|
|
ESP_ERROR_CHECK(timer_init(TIMER_GROUP_0, TIMER_0, &config));
|
|
ESP_ERROR_CHECK(timer_set_counter_value(TIMER_GROUP_0, TIMER_0, 0x00000000ULL));
|
|
ESP_ERROR_CHECK(timer_set_alarm_value(TIMER_GROUP_0, TIMER_0, ste_val));
|
|
//Now the timer is ready.
|
|
//We only need to check the interrupt status and don't have to register a interrupt routine.
|
|
}
|
|
|
|
static void timer_group_test_first_stage(void)
|
|
{
|
|
static uint8_t loop_cnt = 0;
|
|
timer_group_test_init();
|
|
//Start timer
|
|
ESP_ERROR_CHECK(timer_enable_intr(TIMER_GROUP_0, TIMER_0));
|
|
ESP_ERROR_CHECK(timer_start(TIMER_GROUP_0, TIMER_0));
|
|
//Waiting for timer_group to generate an interrupt
|
|
while( !(timer_group_get_intr_status_in_isr(TIMER_GROUP_0) & TIMER_INTR_T0) &&
|
|
loop_cnt++ < 100) {
|
|
vTaskDelay(200);
|
|
}
|
|
//TIMERG0.int_raw.t0 == 1 means an interruption has occurred
|
|
TEST_ASSERT(timer_group_get_intr_status_in_isr(TIMER_GROUP_0) & TIMER_INTR_T0);
|
|
esp_restart();
|
|
}
|
|
|
|
static void timer_group_test_second_stage(void)
|
|
{
|
|
TEST_ASSERT_EQUAL(ESP_RST_SW, esp_reset_reason());
|
|
timer_group_test_init();
|
|
//After the timer_group is initialized, TIMERG0.int_raw.t0 should be cleared.
|
|
TEST_ASSERT_EQUAL(0, timer_group_get_intr_status_in_isr(TIMER_GROUP_0) & TIMER_INTR_T0);
|
|
}
|
|
|
|
TEST_CASE_MULTIPLE_STAGES("timer_group software reset test",
|
|
"[intr_status][intr_status = 0]",
|
|
timer_group_test_first_stage,
|
|
timer_group_test_second_stage);
|