mirror of
https://github.com/STMicroelectronics/STM32CubeF4.git
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372 lines
12 KiB
C
372 lines
12 KiB
C
/**
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******************************************************************************
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* @file TIM/TIM_ExtTriggerSynchro/Src/main.c
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* @author MCD Application Team
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* @brief This sample code shows how to synchronize TIM peripherals in cascade
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* mode with an external trigger.
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2017 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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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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/** @addtogroup STM32F4xx_HAL_Examples
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* @{
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*/
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/** @addtogroup TIM_ExtTriggerSynchro
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* @{
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*/
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/* Private typedef -----------------------------------------------------------*/
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/* Private define ------------------------------------------------------------*/
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/* Private macro -------------------------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
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/* TIM1 handler declaration: Slave for an external trigger/Master */
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TIM_HandleTypeDef TimMasterHandle;
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/* TIM4 handler declaration: Slave/Master */
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TIM_HandleTypeDef TimSlaveMasterHandle;
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/* TIM5 handler declaration: Slave */
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TIM_HandleTypeDef TimSlaveHandle;
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/* Timer Output Compare Configuration Structure declaration */
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TIM_OC_InitTypeDef sOCConfig;
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/* Timer Input Capture Configuration Structure declaration */
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TIM_IC_InitTypeDef sICConfig;
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/* Timer Master Configuration Structure declaration */
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TIM_MasterConfigTypeDef sMasterConfig;
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/* Timer Slave Configuration Structure declaration */
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TIM_SlaveConfigTypeDef sSlaveConfig;
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/* Private function prototypes -----------------------------------------------*/
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static void SystemClock_Config(void);
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static void Error_Handler(void);
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/* Private functions ---------------------------------------------------------*/
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/**
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* @brief Main program.
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* @param None
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* @retval None
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*/
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int main(void)
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{
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/* STM32F4xx HAL library initialization:
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- Configure the Flash prefetch, instruction and Data caches
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- Systick timer is configured by default as source of time base, but user
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can eventually implement his proper time base source (a general purpose
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timer for example or other time source), keeping in mind that Time base
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duration should be kept 1ms since PPP_TIMEOUT_VALUEs are defined and
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handled in milliseconds basis.
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- Set NVIC Group Priority to 4
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- Low Level Initialization: global MSP (MCU Support Package) initialization
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*/
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HAL_Init();
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/* Configure the system clock to 180 MHz */
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SystemClock_Config();
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/* Configure LED3 */
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BSP_LED_Init(LED3);
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/* Set Timers instance */
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TimMasterHandle.Instance = TIM1;
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TimSlaveMasterHandle.Instance = TIM4;
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TimSlaveHandle.Instance = TIM5;
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/*======= Master1/Slave for an external trigger configuration : TIM1 =======*/
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/* Initialize TIM1 peripheral in Output Compare mode*/
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TimMasterHandle.Init.Period = 89;
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TimMasterHandle.Init.Prescaler = (SystemCoreClock / 18000000) - 1;;
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TimMasterHandle.Init.ClockDivision = 0;
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TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
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TimMasterHandle.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
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if(HAL_TIM_OC_Init(&TimMasterHandle) != HAL_OK)
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{
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/* Initialization Error */
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Error_Handler();
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}
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/* Configure the output: Channel_1 */
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sOCConfig.OCMode = TIM_OCMODE_TOGGLE;
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sOCConfig.OCPolarity = TIM_OCPOLARITY_HIGH;
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if(HAL_TIM_OC_ConfigChannel(&TimMasterHandle, &sOCConfig, TIM_CHANNEL_1) != HAL_OK)
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{
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/* Configuration Error */
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Error_Handler();
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}
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/* Configure the Input: channel_2 */
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sICConfig.ICPolarity = TIM_ICPOLARITY_RISING;
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sICConfig.ICSelection = TIM_ICSELECTION_DIRECTTI;
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sICConfig.ICPrescaler = TIM_ICPSC_DIV1;
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sICConfig.ICFilter = 0;
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if(HAL_TIM_IC_ConfigChannel(&TimMasterHandle, &sICConfig, TIM_CHANNEL_2) != HAL_OK)
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{
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/* Configuration Error */
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Error_Handler();
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}
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/* Configure TIM1 in Gated Slave mode for the external trigger (Filtered Timer
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Input 2) */
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sSlaveConfig.InputTrigger = TIM_TS_TI2FP2;
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sSlaveConfig.SlaveMode = TIM_SLAVEMODE_GATED;
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if( HAL_TIM_SlaveConfigSynchronization(&TimMasterHandle, &sSlaveConfig) != HAL_OK)
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{
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/* Configuration Error */
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Error_Handler();
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}
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/* Configure TIM1 in Master Enable mode & use the update event as Trigger
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Output (TRGO) */
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sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_ENABLE;
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sMasterConfig.MasterOutputTrigger = TIM_TRGO_ENABLE;
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if( HAL_TIMEx_MasterConfigSynchronization(&TimMasterHandle, &sMasterConfig) != HAL_OK)
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{
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/* Configuration Error */
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Error_Handler();
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}
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/*=== End of Master1/Slave for an external trigger configuration : TIM1 ====*/
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/*=================== Slave/Master configuration : TIM4 ====================*/
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/* Initialize TIM4 peripheral in Output Compare mode*/
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TimSlaveMasterHandle.Init.Period = 89;
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TimSlaveMasterHandle.Init.Prescaler = ((SystemCoreClock/2) / 16000000) - 1;;
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TimSlaveMasterHandle.Init.ClockDivision = 0;
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TimSlaveMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
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TimSlaveMasterHandle.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
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if(HAL_TIM_OC_Init(&TimSlaveMasterHandle) != HAL_OK)
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{
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/* Initialization Error */
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Error_Handler();
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}
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/* Configure the Output Compare channel_3 */
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sOCConfig.OCMode = TIM_OCMODE_TOGGLE;
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sOCConfig.OCPolarity = TIM_OCPOLARITY_HIGH;
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if(HAL_TIM_OC_ConfigChannel(&TimSlaveMasterHandle, &sOCConfig, TIM_CHANNEL_3) != HAL_OK)
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{
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/* Configuration Error */
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Error_Handler();
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}
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/* Configure TIM4 in Gated Slave mode for the internal trigger 0(ITR0) */
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sSlaveConfig.InputTrigger = TIM_TS_ITR0;
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sSlaveConfig.SlaveMode = TIM_SLAVEMODE_GATED;
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if( HAL_TIM_SlaveConfigSynchronization(&TimSlaveMasterHandle, &sSlaveConfig) != HAL_OK)
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{
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/* Configuration Error */
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Error_Handler();
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}
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/* Configure TIM4 in Master Enable mode & use the update event as Trigger
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Output (TRGO) */
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sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_ENABLE;
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sMasterConfig.MasterOutputTrigger = TIM_TRGO_ENABLE;
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if( HAL_TIMEx_MasterConfigSynchronization(&TimSlaveMasterHandle, &sMasterConfig) != HAL_OK)
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{
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/* Configuration Error */
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Error_Handler();
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}
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/*=============== End of Slave/Master configuration : TIM4 =================*/
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/*====================== Slave configuration : TIM5 ========================*/
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/* Initialize TIM5 peripheral in Output Compare mode*/
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TimSlaveHandle.Init.Period = 89;
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TimSlaveHandle.Init.Prescaler = ((SystemCoreClock/2) / 18000000) - 1;;
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TimSlaveHandle.Init.ClockDivision = 0;
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TimSlaveHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
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TimSlaveHandle.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
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if(HAL_TIM_OC_Init(&TimSlaveHandle) != HAL_OK)
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{
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/* Initialization Error */
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Error_Handler();
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}
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/* Configure the Output Compare channel_1 */
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sOCConfig.OCMode = TIM_OCMODE_TOGGLE;
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sOCConfig.OCPolarity = TIM_OCPOLARITY_HIGH;
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if(HAL_TIM_OC_ConfigChannel(&TimSlaveHandle, &sOCConfig, TIM_CHANNEL_1) != HAL_OK)
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{
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/* Configuration Error */
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Error_Handler();
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}
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/* Configure TIM5 in Gated Slave mode for the internal trigger 2(ITR2) */
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sSlaveConfig.SlaveMode = TIM_SLAVEMODE_GATED;
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sSlaveConfig.InputTrigger = TIM_TS_ITR2;
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if(HAL_TIM_SlaveConfigSynchronization(&TimSlaveHandle, &sSlaveConfig) != HAL_OK)
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{
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/* Configuration Error */
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Error_Handler();
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}
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/*================== End of Slave configuration : TIM5 =====================*/
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/* 1- Start Timer1 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx */
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/* Start Channel2 in Input Capture */
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if(HAL_TIM_IC_Start(&TimMasterHandle, TIM_CHANNEL_2) != HAL_OK)
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{
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/* Start Error */
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Error_Handler();
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}
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/* Start the Output Compare */
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if(HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_1) != HAL_OK)
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{
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/* Start Error */
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Error_Handler();
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}
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/* 2- Start Timer3 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx */
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/* Start the Output Compare */
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if(HAL_TIM_OC_Start(&TimSlaveMasterHandle, TIM_CHANNEL_3) != HAL_OK)
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{
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/* Start Error */
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Error_Handler();
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}
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/* 3- Start Timer3 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx */
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/* Start the Output Compare */
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if(HAL_TIM_OC_Start(&TimSlaveHandle, TIM_CHANNEL_1) != HAL_OK)
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{
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/* Start Error */
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Error_Handler();
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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 This function is executed in case of error occurrence.
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* @param None
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* @retval None
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*/
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static void Error_Handler(void)
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{
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/* Turn LED3 on */
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BSP_LED_On(LED3);
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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 System Clock Configuration
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* The system Clock is configured as follow :
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* System Clock source = PLL (HSE)
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* SYSCLK(Hz) = 180000000
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* HCLK(Hz) = 180000000
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* AHB Prescaler = 1
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* APB1 Prescaler = 4
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* APB2 Prescaler = 2
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* HSE Frequency(Hz) = 25000000
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* PLL_M = 25
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* PLL_N = 360
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* PLL_P = 2
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* PLL_Q = 7
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* PLL_R = 6
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* VDD(V) = 3.3
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* Main regulator output voltage = Scale1 mode
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* Flash Latency(WS) = 5
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* @param None
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* @retval None
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*/
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static void SystemClock_Config(void)
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{
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RCC_ClkInitTypeDef RCC_ClkInitStruct;
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RCC_OscInitTypeDef RCC_OscInitStruct;
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HAL_StatusTypeDef ret = HAL_OK;
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/* Enable Power Control clock */
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__HAL_RCC_PWR_CLK_ENABLE();
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/* The voltage scaling allows optimizing the power consumption when the device is
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clocked below the maximum system frequency, to update the voltage scaling value
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regarding system frequency refer to product datasheet. */
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__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
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/* Enable HSE Oscillator and activate PLL with HSE as source */
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RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
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RCC_OscInitStruct.HSEState = RCC_HSE_ON;
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RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
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RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
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RCC_OscInitStruct.PLL.PLLM = 25;
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RCC_OscInitStruct.PLL.PLLN = 360;
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RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
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RCC_OscInitStruct.PLL.PLLQ = 7;
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RCC_OscInitStruct.PLL.PLLR = 6;
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ret = HAL_RCC_OscConfig(&RCC_OscInitStruct);
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if(ret != HAL_OK)
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{
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while(1) { ; }
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}
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/* Activate the OverDrive to reach the 180 MHz Frequency */
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ret = HAL_PWREx_EnableOverDrive();
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if(ret != HAL_OK)
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{
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while(1) { ; }
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}
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/* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2 clocks dividers */
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RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);
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RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
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RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
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RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
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RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
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ret = HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5);
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if(ret != HAL_OK)
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{
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while(1) { ; }
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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
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/**
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* @}
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*/
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/**
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* @}
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*/
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