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authorTrygve Laugstøl <trygvis@inamo.no>2017-01-25 22:24:18 +0100
committerTrygve Laugstøl <trygvis@inamo.no>2017-01-25 22:29:25 +0100
commit40e04e3772726829d66c12e69f24b03920d79c67 (patch)
tree636811bad956798c9d5d22de9e7ba8c799b8d791 /tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/TIM/ExtTrigger_Synchro/main.c
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o Moving tinyprintf and stm libraries under thirdparty.
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-/**
- ******************************************************************************
- * @file TIM/ExtTrigger_Synchro/main.c
- * @author MCD Application Team
- * @version V3.5.0
- * @date 08-April-2011
- * @brief Main program body
- ******************************************************************************
- * @attention
- *
- * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
- * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
- * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
- * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
- * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
- * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
- *
- * <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
- ******************************************************************************
- */
-
-/* Includes ------------------------------------------------------------------*/
-#include "stm32f10x.h"
-
-/** @addtogroup STM32F10x_StdPeriph_Examples
- * @{
- */
-
-/** @addtogroup TIM_ExtTrigger_Synchro
- * @{
- */
-
-/* Private typedef -----------------------------------------------------------*/
-/* Private define ------------------------------------------------------------*/
-/* Private macro -------------------------------------------------------------*/
-/* Private variables ---------------------------------------------------------*/
-TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
-TIM_ICInitTypeDef TIM_ICInitStructure;
-TIM_OCInitTypeDef TIM_OCInitStructure;
-
-/* Private function prototypes -----------------------------------------------*/
-void RCC_Configuration(void);
-void GPIO_Configuration(void);
-
-/* Private functions ---------------------------------------------------------*/
-
-/**
- * @brief Main program
- * @param None
- * @retval None
- */
-int main(void)
-{
- /*!< At this stage the microcontroller clock setting is already configured,
- this is done through SystemInit() function which is called from startup
- file (startup_stm32f10x_xx.s) before to branch to application main.
- To reconfigure the default setting of SystemInit() function, refer to
- system_stm32f10x.c file
- */
-
- /* System Clocks Configuration */
- RCC_Configuration();
-
- /* Configure the GPIO ports */
- GPIO_Configuration();
-
- /* Timers synchronisation in cascade mode with an external trigger -----
- 1/TIM1 is configured as Master Timer:
- - Toggle Mode is used
- - The TIM1 Enable event is used as Trigger Output
-
- 2/TIM1 is configured as Slave Timer for an external Trigger connected
- to TIM1 TI2 pin (TIM1 CH2 configured as input pin):
- - The TIM1 TI2FP2 is used as Trigger Input
- - Rising edge is used to start and stop the TIM1: Gated Mode.
-
- 3/TIM3 is slave for TIM1 and Master for TIM4,
- - Toggle Mode is used
- - The ITR1(TIM1) is used as input trigger
- - Gated mode is used, so start and stop of slave counter
- are controlled by the Master trigger output signal(TIM1 enable event).
- - The TIM3 enable event is used as Trigger Output.
-
- 4/TIM4 is slave for TIM3,
- - Toggle Mode is used
- - The ITR2(TIM3) is used as input trigger
- - Gated mode is used, so start and stop of slave counter
- are controlled by the Master trigger output signal(TIM3 enable event).
-
- * For Low-density, Medium-density, High-density and Connectivity line devices:
- The TIMxCLK is fixed to 72 MHZ, the Prescaler is equal to 2 so the TIMx clock
- counter is equal to 24 MHz.
- The Three Timers are running at:
- TIMx frequency = TIMx clock counter/ 2*(TIMx_Period + 1) = 162.1 KHz.
-
- * For Low-Density Value line and Medium-Density Value line devices:
- The TIMxCLK is fixed to 24 MHz, the Prescaler is equal to 2 so the TIMx clock
- counter is equal to 8 MHz.
- TIMx frequency = TIMx clock counter/ 2*(TIMx_Period + 1) = 54 KHz.
-
- The starts and stops of the TIM1 counters are controlled by the
- external trigger.
- The TIM3 starts and stops are controlled by the TIM1, and the TIM4
- starts and stops are controlled by the TIM3.
- -------------------------------------------------------------------- */
-
- /* Time base configuration */
- TIM_TimeBaseStructure.TIM_Period = 73;
- TIM_TimeBaseStructure.TIM_Prescaler = 2;
- TIM_TimeBaseStructure.TIM_ClockDivision = 0;
- TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
-
- TIM_TimeBaseInit(TIM1, &TIM_TimeBaseStructure);
-
- TIM_TimeBaseStructure.TIM_Period = 73;
- TIM_TimeBaseInit(TIM3, &TIM_TimeBaseStructure);
-
- TIM_TimeBaseStructure.TIM_Period = 73;
- TIM_TimeBaseInit(TIM4, &TIM_TimeBaseStructure);
-
- /* Master Configuration in Toggle Mode */
- TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_Toggle;
- TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
- TIM_OCInitStructure.TIM_Pulse = 64;
- TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;
-
- TIM_OC1Init(TIM1, &TIM_OCInitStructure);
-
- /* TIM1 Input Capture Configuration */
- TIM_ICInitStructure.TIM_Channel = TIM_Channel_2;
- TIM_ICInitStructure.TIM_ICPolarity = TIM_ICPolarity_Rising;
- TIM_ICInitStructure.TIM_ICSelection = TIM_ICSelection_DirectTI;
- TIM_ICInitStructure.TIM_ICPrescaler = TIM_ICPSC_DIV1;
- TIM_ICInitStructure.TIM_ICFilter = 0;
-
- TIM_ICInit(TIM1, &TIM_ICInitStructure);
-
- /* TIM1 Input trigger configuration: External Trigger connected to TI2 */
- TIM_SelectInputTrigger(TIM1, TIM_TS_TI2FP2);
- TIM_SelectSlaveMode(TIM1, TIM_SlaveMode_Gated);
-
- /* Select the Master Slave Mode */
- TIM_SelectMasterSlaveMode(TIM1, TIM_MasterSlaveMode_Enable);
-
- /* Master Mode selection: TIM1 */
- TIM_SelectOutputTrigger(TIM1, TIM_TRGOSource_Enable);
-
- /* Slaves Configuration: Toggle Mode */
- TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_Toggle;
- TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
-
- TIM_OC1Init(TIM3, &TIM_OCInitStructure);
-
- TIM_OC1Init(TIM4, &TIM_OCInitStructure);
-
- /* Slave Mode selection: TIM3 */
- TIM_SelectInputTrigger(TIM3, TIM_TS_ITR0);
- TIM_SelectSlaveMode(TIM3, TIM_SlaveMode_Gated);
-
- /* Select the Master Slave Mode */
- TIM_SelectMasterSlaveMode(TIM3, TIM_MasterSlaveMode_Enable);
-
- /* Master Mode selection: TIM3 */
- TIM_SelectOutputTrigger(TIM3, TIM_TRGOSource_Enable);
-
- /* Slave Mode selection: TIM4 */
- TIM_SelectInputTrigger(TIM4, TIM_TS_ITR2);
- TIM_SelectSlaveMode(TIM4, TIM_SlaveMode_Gated);
-
- /* TIM1 Main Output Enable */
- TIM_CtrlPWMOutputs(TIM1, ENABLE);
-
- /* TIM enable counter */
- TIM_Cmd(TIM1, ENABLE);
- TIM_Cmd(TIM3, ENABLE);
- TIM_Cmd(TIM4, ENABLE);
-
- while (1)
- {}
-}
-
-/**
- * @brief Configures the different system clocks.
- * @param None
- * @retval None
- */
-void RCC_Configuration(void)
-{
- /* TIM1, TIM3 and TIM4 clock enable */
- RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3 |
- RCC_APB1Periph_TIM4, ENABLE);
-
- /* TIM1, GPIOA, GPIOE, GPIOC and GPIOB clocks enable */
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1 | RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB |
- RCC_APB2Periph_GPIOE | RCC_APB2Periph_GPIOC | RCC_APB2Periph_AFIO, ENABLE);
-}
-
-/**
- * @brief Configure the GPIO Pins.
- * @param None
- * @retval None
- */
-void GPIO_Configuration(void)
-{
- GPIO_InitTypeDef GPIO_InitStructure;
-#ifdef STM32F10X_CL
- /* GPIOE Configuration: Channel 1 as alternate function push-pull */
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
-
- GPIO_Init(GPIOE, &GPIO_InitStructure);
-
- /* GPIOE Configuration: Channel 2 as Input floating */
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
-
- GPIO_Init(GPIOE, &GPIO_InitStructure);
-
- /* TIM1 Full remapping pins */
- GPIO_PinRemapConfig(GPIO_FullRemap_TIM1, ENABLE);
-
- /*GPIOB Configuration: TIM3 channel1, 2, 3 and 4 */
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
-
- GPIO_Init(GPIOC, &GPIO_InitStructure);
-
- GPIO_PinRemapConfig(GPIO_FullRemap_TIM3, ENABLE);
-
- /* GPIOB Configuration: PB.06(TIM4 CH1) as alternate function push-pull */
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6;
-
- GPIO_Init(GPIOB, &GPIO_InitStructure);
-
-#else
- /* GPIOA Configuration: PA.08(TIM1 CH1) and PA.06(TIM3 CH1) as alternate function push-pull */
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8 | GPIO_Pin_6;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
-
- GPIO_Init(GPIOA, &GPIO_InitStructure);
-
- /* GPIOB Configuration: PB.06(TIM4 CH1) as alternate function push-pull */
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6;
-
- GPIO_Init(GPIOB, &GPIO_InitStructure);
-
- /* GPIOA Configuration: PA.09(TIM1 CH2) */
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
-
- GPIO_Init(GPIOA, &GPIO_InitStructure);
-
-#endif
-
-}
-
-#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) */
-
- while (1)
- {}
-}
-
-#endif
-
-/**
- * @}
- */
-
-/**
- * @}
- */
-
-/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/