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https://github.com/IcedRooibos/py32f0-template.git
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102 lines
2.3 KiB
C
102 lines
2.3 KiB
C
/**
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* Example of Mutex
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*
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* Note: Require RAM > 4.5K Byte
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*/
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#include "main.h"
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#include "py32f0xx_bsp_printf.h"
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#include "FreeRTOS.h"
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#include "task.h"
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#include "queue.h"
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#include "semphr.h"
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const uint8_t ids[] = {1,2,3};
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SemaphoreHandle_t mutex;
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volatile uint16_t counter;
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static void APP_SystemClockConfig(void);
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static void APP_GPIOConfig(void);
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void taskCount(void *pvParameters)
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{
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uint8_t id = *(uint8_t *)pvParameters;
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while (1)
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{
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xSemaphoreTake(mutex, portMAX_DELAY);
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counter++;
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BSP_UART_TxHex8(id);
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BSP_UART_TxChar(':');
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BSP_UART_TxHex16(counter);
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BSP_UART_TxString("\r\n");
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xSemaphoreGive(mutex);
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vTaskDelay(0);
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}
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}
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int main(void)
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{
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uint8_t i;
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APP_SystemClockConfig();
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APP_GPIOConfig();
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BSP_USART_Config(115200);
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printf("SystemClk:%ld\r\n", SystemCoreClock);
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// Create mutex
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mutex = xSemaphoreCreateMutex();
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// Create tasks
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for (i = 0; i < 3; i++)
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{
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printf("Task %d\n", ids[i]);
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if (xTaskCreate(taskCount, "taskProducer", configMINIMAL_STACK_SIZE, (void *)&ids[i], 2, NULL) != pdPASS)
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{
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APP_ErrorHandler();
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}
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}
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printf("FreeRTOS Scheduler starting...\r\n");
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/* Start the scheduler. */
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vTaskStartScheduler();
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/* Will only get here if there was not enough heap space to create the idle task. */
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return 0;
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}
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static void APP_SystemClockConfig(void)
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{
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LL_UTILS_ClkInitTypeDef UTILS_ClkInitStruct;
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LL_RCC_HSI_Enable();
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/* Change this value to adjust frequency */
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LL_RCC_HSI_SetCalibFreq(LL_RCC_HSICALIBRATION_24MHz);
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while(LL_RCC_HSI_IsReady() != 1);
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UTILS_ClkInitStruct.AHBCLKDivider = LL_RCC_SYSCLK_DIV_1;
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UTILS_ClkInitStruct.APB1CLKDivider = LL_RCC_APB1_DIV_1;
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LL_PLL_ConfigSystemClock_HSI(&UTILS_ClkInitStruct);
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LL_RCC_SetAHBPrescaler(LL_RCC_SYSCLK_DIV_1);
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LL_RCC_SetSysClkSource(LL_RCC_SYS_CLKSOURCE_PLL);
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while(LL_RCC_GetSysClkSource() != LL_RCC_SYS_CLKSOURCE_STATUS_PLL);
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LL_RCC_SetAPB1Prescaler(LL_RCC_APB1_DIV_1);
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/* Don't invoke this in FreeRTOS */
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// LL_InitTick(48000000, 1000U);
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/* Update global SystemCoreClock(or through SystemCoreClockUpdate function) */
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LL_SetSystemCoreClock(48000000);
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}
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static void APP_GPIOConfig(void)
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{
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LL_IOP_GRP1_EnableClock(LL_IOP_GRP1_PERIPH_GPIOB);
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LL_GPIO_SetPinMode(GPIOB, LL_GPIO_PIN_5, LL_GPIO_MODE_OUTPUT);
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}
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void APP_ErrorHandler(void)
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{
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while (1);
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}
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