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/**
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******************************************************************************
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* @file main.c
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* @author MCU Application Team
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* @brief Main program body
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2023 Puya Semiconductor Co.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by Puya under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2016 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "main.h"
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/* Private define ------------------------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
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TIM_HandleTypeDef TimHandle, htim3;
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TIM_SlaveConfigTypeDef sSlaveConfig;
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TIM_MasterConfigTypeDef sMasterConfig;
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TIM_OC_InitTypeDef sConfig;
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/* Private user code ---------------------------------------------------------*/
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/* Private macro -------------------------------------------------------------*/
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/* Private function prototypes -----------------------------------------------*/
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static void APP_SystemClockConfig(void);
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/**
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* @brief Main program
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* @retval int
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*/
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int main(void)
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{
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/* Reset of all peripherals, Initializes the Systick */
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HAL_Init();
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/* Configure Systemclock */
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APP_SystemClockConfig();
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/* Initialize LED */
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BSP_LED_Init(LED_GREEN);
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TimHandle.Instance = TIM1; /* Select TIM1 */
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TimHandle.Init.Period = 8000 - 1; /* Auto reload value */
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TimHandle.Init.Prescaler = 100 - 1; /* Prescaler：100-1 */
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TimHandle.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1; /* Clock division: tDTS=tCK_INT */
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TimHandle.Init.CounterMode = TIM_COUNTERMODE_UP; /* CounterMode:Up */
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TimHandle.Init.RepetitionCounter = 1 - 1; /* repetition counter value:1-1 */
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TimHandle.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE; /* TIM1_ARR register is not buffered */
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/* Initialize TIM1 */
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if (HAL_TIM_Base_Init(&TimHandle) != HAL_OK)
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{
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APP_ErrorHandler();
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}
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htim3.Instance = TIM3; /* Select TIM3 */
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htim3.Init.Prescaler = 1000 - 1; /* Prescaler：1000-1 */
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htim3.Init.CounterMode = TIM_COUNTERMODE_UP; /* CounterMode:Up */
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htim3.Init.Period = 8000 - 1; /* Auto reload value */
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htim3.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1; /* Clock division: tDTS=tCK_INT */
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htim3.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE; /* TIM1_ARR register is not buffered */
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/* Initializes the TIM Output Compare */
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if (HAL_TIM_OC_Init(&htim3) != HAL_OK)
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{
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APP_ErrorHandler();
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}
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sMasterConfig.MasterOutputTrigger = TIM_TRGO_UPDATE; /* Update event is used as trigger output (TRGO) */
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sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE; /* The master/slave mode is disabled */
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/* Configures the TIM3 in master mode */
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HAL_TIMEx_MasterConfigSynchronization(&htim3, &sMasterConfig);
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sSlaveConfig.SlaveMode = TIM_SLAVEMODE_TRIGGER; /* Slave mode is trigger mode */
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sSlaveConfig.InputTrigger = TIM_TS_ITR2; /* The trigger selection for TIM1 is TIM3 */
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sSlaveConfig.TriggerPolarity = TIM_TRIGGERPOLARITY_NONINVERTED; /* ETR is non-inverted, active at high level or rising edge */
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sSlaveConfig.TriggerPrescaler = TIM_TRIGGERPRESCALER_DIV1; /* Prescaler OFF */
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sSlaveConfig.TriggerFilter = 0; /* No filter */
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/* Configures the TIM1 in Slave mode */
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if (HAL_TIM_SlaveConfigSynchro(&TimHandle, &sSlaveConfig) != HAL_OK)
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{
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APP_ErrorHandler();
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}
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/* Enable TIM1 update interrupt */
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__HAL_TIM_ENABLE_IT(&TimHandle, TIM_IT_UPDATE);
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/* Starts the TIM3 Output Compare signal generation */
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if (HAL_TIM_OC_Start(&htim3, TIM_CHANNEL_1) != HAL_OK)
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{
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APP_ErrorHandler();
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}
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/* Infinite loop */
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while (1)
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{
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}
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}
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/**
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* @brief TIMUpdate interrupt callback
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* @param htim：TIM handle
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* @retval None
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*/
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void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim)
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{
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/* Toggle LED */
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BSP_LED_Toggle(LED_GREEN);
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}
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/**
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* @brief Configure systemclock
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* @param None
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* @retval None
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*/
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static void APP_SystemClockConfig(void)
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{
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RCC_OscInitTypeDef OscInitstruct = {0};
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RCC_ClkInitTypeDef ClkInitstruct = {0};
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OscInitstruct.OscillatorType = RCC_OSCILLATORTYPE_HSE | RCC_OSCILLATORTYPE_HSI | RCC_OSCILLATORTYPE_LSE |
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RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_HSI48M;
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OscInitstruct.HSEState = RCC_HSE_OFF; /* HSE OFF */
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/* OscInitstruct.HSEFreq = RCC_HSE_16_32MHz; */ /* HSE clock range 16~32MHz */
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OscInitstruct.HSI48MState = RCC_HSI48M_OFF; /* Disable HSI48M clock */
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OscInitstruct.HSIState = RCC_HSI_ON; /* HSI ON */
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OscInitstruct.LSEState = RCC_LSE_OFF; /* LSE OFF */
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/* OscInitstruct.LSEDriver = RCC_LSEDRIVE_HIGH; */ /* LSE high drive capability */
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OscInitstruct.LSIState = RCC_LSI_OFF; /* LSI OFF */
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OscInitstruct.PLL.PLLState = RCC_PLL_OFF; /* PLL OFF */
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/* OscInitstruct.PLL.PLLSource = RCC_PLLSOURCE_HSE; */ /* HSE oscillator clock selected as PLL clock entry */
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/* OscInitstruct.PLL.PLLMUL = RCC_PLL_MUL6; */ /* PLLVCO = PLL clock entry x 6 */
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/* Initialize the RCC Oscillators */
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if(HAL_RCC_OscConfig(&OscInitstruct) != HAL_OK)
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{
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APP_ErrorHandler();
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}
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ClkInitstruct.ClockType = RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
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ClkInitstruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI; /* Select HSI as system clock */
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ClkInitstruct.AHBCLKDivider = RCC_SYSCLK_DIV1; /* SYSCLK not divided: HCLK=SYSCLK */
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ClkInitstruct.APB1CLKDivider = RCC_HCLK_DIV1; /* HCLK not divided: PCLK1=HCLK */
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ClkInitstruct.APB2CLKDivider = RCC_HCLK_DIV2; /* HCLK divided by 2: PCLK2=HCLK/2 */
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/* Set clock source */
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if(HAL_RCC_ClockConfig(&ClkInitstruct, FLASH_LATENCY_0) != HAL_OK)
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{
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APP_ErrorHandler();
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}
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}
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/**
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* @brief Error handling function
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* @param None
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* @retval None
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*/
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void APP_ErrorHandler(void)
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{
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/* Infinite loop */
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while (1)
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{
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}
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}
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#ifdef USE_FULL_ASSERT
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/**
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* @brief Reports the name of the source file and the source line number
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* where the assert_param error has occurred.
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* @param file：Pointer to the source file name
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* @param line：assert_param error line source number
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* @retval None
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*/
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void assert_failed(uint8_t *file, uint32_t line)
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{
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/* User can add His own implementation to report the file name and line number,
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ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
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/* Infinite loop */
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while (1)
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{
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}
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}
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#endif /* USE_FULL_ASSERT */
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/************************ (C) COPYRIGHT Puya *****END OF FILE******************/
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