94 lines
2.5 KiB
C
94 lines
2.5 KiB
C
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#include <esp_types.h>
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#include <stdio.h>
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#include <stdlib.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 "soc/uart_reg.h"
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#include "soc/dport_reg.h"
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static volatile bool exit_flag;
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static bool dport_test_result;
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static bool apb_test_result;
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static void accessDPORT(void *pvParameters)
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{
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xSemaphoreHandle *sema = (xSemaphoreHandle *) pvParameters;
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uint32_t dport_date = DPORT_REG_READ(DPORT_DATE_REG);
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dport_test_result = true;
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// although exit flag is set in another task, checking (exit_flag == false) is safe
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while (exit_flag == false) {
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if (dport_date != DPORT_REG_READ(DPORT_DATE_REG)) {
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dport_test_result = false;
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break;
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}
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}
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xSemaphoreGive(*sema);
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vTaskDelete(NULL);
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}
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static void accessAPB(void *pvParameters)
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{
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xSemaphoreHandle *sema = (xSemaphoreHandle *) pvParameters;
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uint32_t uart_date = REG_READ(UART_DATE_REG(0));
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apb_test_result = true;
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// although exit flag is set in another task, checking (exit_flag == false) is safe
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while (exit_flag == false) {
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if (uart_date != REG_READ(UART_DATE_REG(0))) {
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apb_test_result = false;
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break;
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}
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}
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xSemaphoreGive(*sema);
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vTaskDelete(NULL);
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}
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TEST_CASE("access DPORT and APB at same time", "[esp32]")
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{
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int i;
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TaskHandle_t th[2];
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xSemaphoreHandle exit_sema[2];
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for (i=0; i<2; i++) {
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exit_sema[i] = xSemaphoreCreateMutex();
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xSemaphoreTake(exit_sema[i], portMAX_DELAY);
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}
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exit_flag = false;
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#ifndef CONFIG_FREERTOS_UNICORE
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printf("assign task accessing DPORT to core 0 and task accessing APB to core 1\n");
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xTaskCreatePinnedToCore(accessDPORT , "accessDPORT" , 2048, &exit_sema[0], UNITY_FREERTOS_PRIORITY - 1, &th[0], 0);
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xTaskCreatePinnedToCore(accessAPB , "accessAPB" , 2048, &exit_sema[1], UNITY_FREERTOS_PRIORITY - 1, &th[1], 1);
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#else
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printf("assign task accessing DPORT and accessing APB\n");
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xTaskCreate(accessDPORT , "accessDPORT" , 2048, &exit_sema[0], UNITY_FREERTOS_PRIORITY - 1, &th[0]);
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xTaskCreate(accessAPB , "accessAPB" , 2048, &exit_sema[1], UNITY_FREERTOS_PRIORITY - 1, &th[1]);
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#endif
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printf("start wait for 10 seconds\n");
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vTaskDelay(10000 / portTICK_PERIOD_MS);
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// set exit flag to let thread exit
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exit_flag = true;
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for (i=0; i<2; i++) {
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xSemaphoreTake(exit_sema[i], portMAX_DELAY);
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vSemaphoreDelete(exit_sema[i]);
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}
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TEST_ASSERT(dport_test_result == true && apb_test_result == true);
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}
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