/**
******************************************************************************
* @file main.c
* @author MCU Application Team
* @brief Main program body
******************************************************************************
* @attention
*
* © Copyright (c) 2023 Puya Semiconductor Co.
* All rights reserved.
*
* This software component is licensed by Puya under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
* @attention
*
* © Copyright (c) 2016 STMicroelectronics.
* All rights reserved.
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "main.h"
/* Private define ------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
TIM_HandleTypeDef TimHandle, htim3;
TIM_SlaveConfigTypeDef sSlaveConfig;
TIM_MasterConfigTypeDef sMasterConfig;
TIM_OC_InitTypeDef sConfig;
/* Private user code ---------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
static void APP_SystemClockConfig(void);
/**
* @brief Main program
* @retval int
*/
int main(void)
{
/* Reset of all peripherals, Initializes the Systick */
HAL_Init();
/* Configure Systemclock */
APP_SystemClockConfig();
/* Initialize LED */
BSP_LED_Init(LED_GREEN);
TimHandle.Instance = TIM1; /* Select TIM1 */
TimHandle.Init.Period = 8000 - 1; /* Auto reload value */
TimHandle.Init.Prescaler = 100 - 1; /* Prescaler：100-1 */
TimHandle.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1; /* Clock division: tDTS=tCK_INT */
TimHandle.Init.CounterMode = TIM_COUNTERMODE_UP; /* CounterMode:Up */
TimHandle.Init.RepetitionCounter = 1 - 1; /* repetition counter value:1-1 */
TimHandle.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE; /* TIM1_ARR register is not buffered */
/* Initialize TIM1 */
if (HAL_TIM_Base_Init(&TimHandle) != HAL_OK)
{
APP_ErrorHandler();
}
htim3.Instance = TIM3; /* Select TIM3 */
htim3.Init.Prescaler = 1000 - 1; /* Prescaler：1000-1 */
htim3.Init.CounterMode = TIM_COUNTERMODE_UP; /* CounterMode:Up */
htim3.Init.Period = 8000 - 1; /* Auto reload value */
htim3.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1; /* Clock division: tDTS=tCK_INT */
htim3.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE; /* TIM1_ARR register is not buffered */
/* Initializes the TIM Output Compare */
if (HAL_TIM_OC_Init(&htim3) != HAL_OK)
{
APP_ErrorHandler();
}
sMasterConfig.MasterOutputTrigger = TIM_TRGO_UPDATE; /* Update event is used as trigger output (TRGO) */
sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE; /* The master/slave mode is disabled */
/* Configures the TIM3 in master mode */
HAL_TIMEx_MasterConfigSynchronization(&htim3, &sMasterConfig);
sSlaveConfig.SlaveMode = TIM_SLAVEMODE_TRIGGER; /* Slave mode is trigger mode */
sSlaveConfig.InputTrigger = TIM_TS_ITR2; /* The trigger selection for TIM1 is TIM3 */
sSlaveConfig.TriggerPolarity = TIM_TRIGGERPOLARITY_NONINVERTED; /* ETR is non-inverted, active at high level or rising edge */
sSlaveConfig.TriggerPrescaler = TIM_TRIGGERPRESCALER_DIV1; /* Prescaler OFF */
sSlaveConfig.TriggerFilter = 0; /* No filter */
/* Configures the TIM1 in Slave mode */
if (HAL_TIM_SlaveConfigSynchro(&TimHandle, &sSlaveConfig) != HAL_OK)
{
APP_ErrorHandler();
}
/* Enable TIM1 update interrupt */
__HAL_TIM_ENABLE_IT(&TimHandle, TIM_IT_UPDATE);
/* Starts the TIM3 Output Compare signal generation */
if (HAL_TIM_OC_Start(&htim3, TIM_CHANNEL_1) != HAL_OK)
{
APP_ErrorHandler();
}
/* Infinite loop */
while (1)
{
}
}
/**
* @brief TIMUpdate interrupt callback
* @param htim：TIM handle
* @retval None
*/
void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim)
{
/* Toggle LED */
BSP_LED_Toggle(LED_GREEN);
}
/**
* @brief Configure systemclock
* @param None
* @retval None
*/
static void APP_SystemClockConfig(void)
{
RCC_OscInitTypeDef OscInitstruct = {0};
RCC_ClkInitTypeDef ClkInitstruct = {0};
OscInitstruct.OscillatorType = RCC_OSCILLATORTYPE_HSE | RCC_OSCILLATORTYPE_HSI | RCC_OSCILLATORTYPE_LSE |
RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_HSI48M;
OscInitstruct.HSEState = RCC_HSE_OFF; /* HSE OFF */
/* OscInitstruct.HSEFreq = RCC_HSE_16_32MHz; */ /* HSE clock range 16~32MHz */
OscInitstruct.HSI48MState = RCC_HSI48M_OFF; /* Disable HSI48M clock */
OscInitstruct.HSIState = RCC_HSI_ON; /* HSI ON */
OscInitstruct.LSEState = RCC_LSE_OFF; /* LSE OFF */
/* OscInitstruct.LSEDriver = RCC_LSEDRIVE_HIGH; */ /* LSE high drive capability */
OscInitstruct.LSIState = RCC_LSI_OFF; /* LSI OFF */
OscInitstruct.PLL.PLLState = RCC_PLL_OFF; /* PLL OFF */
/* OscInitstruct.PLL.PLLSource = RCC_PLLSOURCE_HSE; */ /* HSE oscillator clock selected as PLL clock entry */
/* OscInitstruct.PLL.PLLMUL = RCC_PLL_MUL6; */ /* PLLVCO = PLL clock entry x 6 */
/* Initialize the RCC Oscillators */
if(HAL_RCC_OscConfig(&OscInitstruct) != HAL_OK)
{
APP_ErrorHandler();
}
ClkInitstruct.ClockType = RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
ClkInitstruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI; /* Select HSI as system clock */
ClkInitstruct.AHBCLKDivider = RCC_SYSCLK_DIV1; /* SYSCLK not divided: HCLK=SYSCLK */
ClkInitstruct.APB1CLKDivider = RCC_HCLK_DIV1; /* HCLK not divided: PCLK1=HCLK */
ClkInitstruct.APB2CLKDivider = RCC_HCLK_DIV2; /* HCLK divided by 2: PCLK2=HCLK/2 */
/* Set clock source */
if(HAL_RCC_ClockConfig(&ClkInitstruct, FLASH_LATENCY_0) != HAL_OK)
{
APP_ErrorHandler();
}
}
/**
* @brief Error handling function
* @param None
* @retval None
*/
void APP_ErrorHandler(void)
{
/* Infinite loop */
while (1)
{
}
}
#ifdef USE_FULL_ASSERT
/**
* @brief Reports the name of the source file and the source line number
* where the assert_param error has occurred.
* @param file：Pointer to the source file name
* @param line：assert_param error line source number
* @retval None
*/
void assert_failed(uint8_t *file, uint32_t line)
{
/* User can add His own implementation to report the file name and line number,
ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
/* Infinite loop */
while (1)
{
}
}
#endif /* USE_FULL_ASSERT */
/************************ (C) COPYRIGHT Puya *****END OF FILE******************/