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/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file app_threadx.c
* @author MCD Application Team
* @brief ThreadX applicative file
******************************************************************************
* @attention
*
* Copyright (c) 2021 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "app_threadx.h"
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "stdio.h"
/* USER CODE END Includes */
/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */
/* USER CODE END PTD */
/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
/* USER CODE END PD */
/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */
#if defined ( __GNUC__) && !defined(__clang__)
/* With GCC, small printf (option LD Linker->Libraries->Small printf
set to 'Yes') calls __io_putchar() */
#define PUTCHAR_PROTOTYPE int __io_putchar(int ch)
#else
#define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f)
#endif /* __GNUC__ */
/* USER CODE END PM */
/* Private variables ---------------------------------------------------------*/
/* USER CODE BEGIN PV */
TX_THREAD ThreadOne;
TX_THREAD ThreadTwo;
APP_SYNC_TYPE SyncObject;
extern UART_HandleTypeDef huart3;
/* USER CODE END PV */
/* Private function prototypes -----------------------------------------------*/
/* USER CODE BEGIN PFP */
VOID ThreadOne_Entry(ULONG thread_input);
VOID ThreadTwo_Entry(ULONG thread_input);
static VOID Led_Toggle(Led_TypeDef led, UINT iter);
static VOID App_Delay(ULONG Delay);
/* USER CODE END PFP */
/**
* @brief Application ThreadX Initialization.
* @param memory_ptr: memory pointer
* @retval int
*/
UINT App_ThreadX_Init(VOID *memory_ptr)
{
UINT ret = TX_SUCCESS;
TX_BYTE_POOL *byte_pool = (TX_BYTE_POOL*)memory_ptr;
/* USER CODE BEGIN App_ThreadX_Init */
CHAR *pointer;
/* Allocate the stack for ThreadOne. */
if (tx_byte_allocate(byte_pool, (VOID **) &pointer, APP_STACK_SIZE, TX_NO_WAIT) != TX_SUCCESS)
{
ret = TX_POOL_ERROR;
}
/* Create ThreadOne. */
if (tx_thread_create(&ThreadOne, "Thread One", ThreadOne_Entry, 0, pointer, APP_STACK_SIZE, THREAD_ONE_PRIO,
THREAD_ONE_PREEMPTION_THRESHOLD, DEFAULT_TIME_SLICE, TX_AUTO_START) != TX_SUCCESS)
{
ret = TX_THREAD_ERROR;
}
/* Allocate the stack for ThreadTwo. */
if (tx_byte_allocate(byte_pool, (VOID **) &pointer, APP_STACK_SIZE, TX_NO_WAIT) != TX_SUCCESS)
{
ret = TX_POOL_ERROR;
}
/* Create ThreadTwo. */
if (tx_thread_create(&ThreadTwo, "Thread Two", ThreadTwo_Entry, 0, pointer, APP_STACK_SIZE, THREAD_TWO_PRIO,
THREAD_TWO_PREEMPTION_THRESHOLD, DEFAULT_TIME_SLICE, TX_AUTO_START) != TX_SUCCESS)
{
ret = TX_THREAD_ERROR;
}
/* Create the Synchronization API used by ThreadOne and ThreadTwo.*/
if (APP_SYNC_CREATE(&SyncObject) != TX_SUCCESS)
{
ret = TX_SYNC_ERROR;
}
/* USER CODE END App_ThreadX_Init */
return ret;
}
/**
* @brief MX_ThreadX_Init
* @param None
* @retval None
*/
void MX_ThreadX_Init(void)
{
/* USER CODE BEGIN Before_Kernel_Start */
/* USER CODE END Before_Kernel_Start */
tx_kernel_enter();
/* USER CODE BEGIN Kernel_Start_Error */
/* USER CODE END Kernel_Start_Error */
}
/* USER CODE BEGIN 1 */
/**
* @brief Function implementing the ThreadOne thread.
* @param thread_input: Not used
* @retval None
*/
void ThreadOne_Entry(ULONG thread_input)
{
UNUSED(thread_input);
ULONG iteration = 0;
/* Infinite loop */
while(1)
{
/* try to acquire the sync object without waiting */
if (APP_SYNC_GET(&SyncObject, TX_NO_WAIT) == TX_SUCCESS)
{
printf("** ThreadOne : SyncObject acquired ** \n");
/*sync object acquired, toggle the LED_GREEN each 500ms for 5s */
Led_Toggle(LED_GREEN, 10);
/*release the sync object */
APP_SYNC_PUT(&SyncObject);
printf("** ThreadOne : SyncObject released ** \n");
tx_thread_sleep(1);
}
else
{
if ((iteration % 2000000) == 0)
{
printf("** ThreadOne : waiting for SyncObject !! **\n");
}
}
iteration++;
}
}
/**
* @brief Function implementing the ThreadTwo thread.
* @param thread_input: Not used
* @retval None
*/
void ThreadTwo_Entry(ULONG thread_input)
{
UNUSED(thread_input);
ULONG iteration = 0;
/* Infinite loop */
while(1)
{
/* try to acquire the sync object without waiting */
if (APP_SYNC_GET(&SyncObject, TX_NO_WAIT) == TX_SUCCESS)
{
printf("** ThreadTwo : SyncObject acquired ** \n");
/*Sync object acquired toggle the LED_RED each 500ms for 5s*/
Led_Toggle(LED_RED, 10);
/*release the sync object*/
APP_SYNC_PUT(&SyncObject);
printf("** ThreadTwo : SyncObject released ** \n");
tx_thread_sleep(1);
}
else
{
if ((iteration % 2000000) == 0)
{
printf("** ThreadTwo : waiting for SyncObject !! **\n");
}
}
iteration++;
}
}
/**
* @brief Critical section function that needs acquiring SyncObject.
* @param led: LED to toggle
* @param iter: Number of iterations
* @retval None
*/
static VOID Led_Toggle(Led_TypeDef led, UINT iter)
{
UINT i;
BSP_LED_Off(led);
for (i =0; i < iter; i++)
{
BSP_LED_Toggle(led);
/* Toggle the Led each 500ms */
App_Delay(50);
}
BSP_LED_Off(led);
}
/**
* @brief Application Delay function.
* @param Delay : number of ticks to wait
* @retval None
*/
void App_Delay(ULONG Delay)
{
ULONG initial_time = tx_time_get();
while ((tx_time_get() - initial_time) < Delay);
}
/**
* @brief Retargets the C library printf function to the USART.
* @param None
* @retval None
*/
PUTCHAR_PROTOTYPE
{
/* Place your implementation of fputc here */
/* e.g. write a character to the USART1 and Loop until the end of transmission */
HAL_UART_Transmit(&huart3, (uint8_t *)&ch, 1, 0xFFFF);
return ch;
}
/* USER CODE END 1 */
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