2023-01-23 02:42:37 +08:00

106 lines
2.5 KiB
C

#include "main.h"
#include "py32f0xx_bsp_printf.h"
#include "FreeRTOS.h"
#include "task.h"
#include "queue.h"
static void APP_SystemClockConfig(void);
static void APP_GPIOConfig(void);
void task1(void *pvParameters)
{
(void)(pvParameters); // Suppress "unused parameter" warning
while (1)
{
LL_GPIO_TogglePin(GPIOB,LL_GPIO_PIN_5);
vTaskDelay(500);
}
}
void task2(void *pvParameters)
{
(void)(pvParameters);
while (1)
{
printf("task2 echo\r\n");
vTaskDelay(1000);
}
}
int main(void)
{
BaseType_t xReturned;
APP_SystemClockConfig();
APP_GPIOConfig();
BSP_USART_Config(115200);
printf("SystemClk:%ld\r\n", SystemCoreClock);
/* Create task 1 */
xReturned = xTaskCreate(
task1, // Task function point
"Task1", // Task name
configMINIMAL_STACK_SIZE, // Use the minimum stack size, each take 4 bytes(32bit)
NULL, // Parameters
2, // Priority
NULL); // Task handler
if (xReturned != pdPASS)
{
APP_ErrorHandler();
}
/* Create task 2 */
xReturned = xTaskCreate(task2, "Task2", configMINIMAL_STACK_SIZE, NULL, 2, NULL);
if (xReturned != pdPASS)
{
APP_ErrorHandler();
}
printf("FreeRTOS Scheduler starting...\r\n");
/* Start the scheduler. */
vTaskStartScheduler();
/* Will only get here if there was not enough heap space to create the idle task. */
return 0;
}
static void APP_SystemClockConfig(void)
{
LL_UTILS_ClkInitTypeDef UTILS_ClkInitStruct;
LL_RCC_HSI_Enable();
/* Change this value to adjust frequency */
LL_RCC_HSI_SetCalibFreq(LL_RCC_HSICALIBRATION_24MHz);
while(LL_RCC_HSI_IsReady() != 1);
UTILS_ClkInitStruct.AHBCLKDivider = LL_RCC_SYSCLK_DIV_1;
UTILS_ClkInitStruct.APB1CLKDivider = LL_RCC_APB1_DIV_1;
LL_PLL_ConfigSystemClock_HSI(&UTILS_ClkInitStruct);
LL_RCC_SetAHBPrescaler(LL_RCC_SYSCLK_DIV_1);
LL_RCC_SetSysClkSource(LL_RCC_SYS_CLKSOURCE_PLL);
while(LL_RCC_GetSysClkSource() != LL_RCC_SYS_CLKSOURCE_STATUS_PLL);
LL_RCC_SetAPB1Prescaler(LL_RCC_APB1_DIV_1);
/* Don't invoke this in FreeRTOS */
// LL_InitTick(48000000, 1000U);
/* Update global SystemCoreClock(or through SystemCoreClockUpdate function) */
LL_SetSystemCoreClock(48000000);
}
static void APP_GPIOConfig(void)
{
LL_IOP_GRP1_EnableClock(LL_IOP_GRP1_PERIPH_GPIOB);
LL_GPIO_SetPinMode(GPIOB, LL_GPIO_PIN_5, LL_GPIO_MODE_OUTPUT);
}
void APP_ErrorHandler(void)
{
while (1);
}