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diff --git a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/TIM/6Steps/main.c b/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/TIM/6Steps/main.c new file mode 100644 index 0000000..c3fa83c --- /dev/null +++ b/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/TIM/6Steps/main.c @@ -0,0 +1,284 @@ +/** + ****************************************************************************** + * @file TIM/6Steps/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>© COPYRIGHT 2011 STMicroelectronics</center></h2> + ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +#include "stm32f10x.h" + +/** @addtogroup STM32F10x_StdPeriph_Examples + * @{ + */ + +/** @addtogroup TIM_6Steps + * @{ + */ + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ +/* Private macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure; +TIM_OCInitTypeDef TIM_OCInitStructure; +TIM_BDTRInitTypeDef TIM_BDTRInitStructure; +uint16_t CCR1_Val = 32767; +uint16_t CCR2_Val = 24575; +uint16_t CCR3_Val = 16383; +uint16_t CCR4_Val = 8191; + +/* Private function prototypes -----------------------------------------------*/ +void RCC_Configuration(void); +void GPIO_Configuration(void); +void SysTick_Configuration(void); +void NVIC_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(); + + /* NVIC Configuration */ + NVIC_Configuration(); + + /* GPIO Configuration */ + GPIO_Configuration(); + + /* SysTick Configuration */ + SysTick_Configuration(); + + /*----------------------------------------------------------------------------- + The STM32F10x TIM1 peripheral offers the possibility to program in advance the + configuration for the next TIM1 outputs behaviour (step) and change the configuration + of all the channels at the same time. This operation is possible when the COM + (commutation) event is used. + The COM event can be generated by software by setting the COM bit in the TIM1_EGR + register or by hardware (on TRC rising edge). + In this example, a software COM event is generated each 100 ms: using the Systick + interrupt. + The TIM1 is configured in Timing Mode, each time a COM event occurs, + a new TIM1 configuration will be set in advance. + The following Table describes the TIM1 Channels states: + ----------------------------------------------- + | Step1 | Step2 | Step3 | Step4 | Step5 | Step6 | + ---------------------------------------------------------- + |Channel1 | 1 | 0 | 0 | 0 | 0 | 1 | + ---------------------------------------------------------- + |Channel1N | 0 | 0 | 1 | 1 | 0 | 0 | + ---------------------------------------------------------- + |Channel2 | 0 | 0 | 0 | 1 | 1 | 0 | + ---------------------------------------------------------- + |Channel2N | 1 | 1 | 0 | 0 | 0 | 0 | + ---------------------------------------------------------- + |Channel3 | 0 | 1 | 1 | 0 | 0 | 0 | + ---------------------------------------------------------- + |Channel3N | 0 | 0 | 0 | 0 | 1 | 1 | + ---------------------------------------------------------- + -----------------------------------------------------------------------------*/ + + /* Time Base configuration */ + TIM_TimeBaseStructure.TIM_Prescaler = 0; + TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; + TIM_TimeBaseStructure.TIM_Period = 4095; + TIM_TimeBaseStructure.TIM_ClockDivision = 0; + TIM_TimeBaseStructure.TIM_RepetitionCounter = 0; + + TIM_TimeBaseInit(TIM1, &TIM_TimeBaseStructure); + + /* Channel 1, 2,3 and 4 Configuration in PWM mode */ + TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_Timing; + TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; + TIM_OCInitStructure.TIM_OutputNState = TIM_OutputNState_Enable; + TIM_OCInitStructure.TIM_Pulse = 2047; + TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High; + TIM_OCInitStructure.TIM_OCNPolarity = TIM_OCNPolarity_High; + TIM_OCInitStructure.TIM_OCIdleState = TIM_OCIdleState_Set; + TIM_OCInitStructure.TIM_OCNIdleState = TIM_OCNIdleState_Set; + + TIM_OC1Init(TIM1, &TIM_OCInitStructure); + + TIM_OCInitStructure.TIM_Pulse = 1023; + TIM_OC2Init(TIM1, &TIM_OCInitStructure); + + TIM_OCInitStructure.TIM_Pulse = 511; + TIM_OC3Init(TIM1, &TIM_OCInitStructure); + + /* Automatic Output enable, Break, dead time and lock configuration*/ + TIM_BDTRInitStructure.TIM_OSSRState = TIM_OSSRState_Enable; + TIM_BDTRInitStructure.TIM_OSSIState = TIM_OSSIState_Enable; + TIM_BDTRInitStructure.TIM_LOCKLevel = TIM_LOCKLevel_OFF; + TIM_BDTRInitStructure.TIM_DeadTime = 1; + TIM_BDTRInitStructure.TIM_Break = TIM_Break_Enable; + TIM_BDTRInitStructure.TIM_BreakPolarity = TIM_BreakPolarity_High; + TIM_BDTRInitStructure.TIM_AutomaticOutput = TIM_AutomaticOutput_Enable; + + TIM_BDTRConfig(TIM1, &TIM_BDTRInitStructure); + + TIM_CCPreloadControl(TIM1, ENABLE); + + TIM_ITConfig(TIM1, TIM_IT_COM, ENABLE); + + /* TIM1 counter enable */ + TIM_Cmd(TIM1, ENABLE); + + /* Main Output Enable */ + TIM_CtrlPWMOutputs(TIM1, ENABLE); + + while (1) + {} +} + +/** + * @brief Configures the different system clocks. + * @param None + * @retval None + */ +void RCC_Configuration(void) +{ + /* TIM1, GPIOA, GPIOB, GPIOE and AFIO clocks enable */ + RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1 | RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOE| + RCC_APB2Periph_GPIOB |RCC_APB2Periph_AFIO, ENABLE); +} + +/** + * @brief Configure the TIM1 Pins. + * @param None + * @retval None + */ +void GPIO_Configuration(void) +{ + GPIO_InitTypeDef GPIO_InitStructure; + +#ifdef STM32F10X_CL + /* GPIOE Configuration: Channel 1/1N, 2/2N, 3/3N as alternate function push-pull */ + GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9|GPIO_Pin_11|GPIO_Pin_13| + GPIO_Pin_8|GPIO_Pin_10|GPIO_Pin_12; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; + + GPIO_Init(GPIOE, &GPIO_InitStructure); + + /* GPIOE Configuration: BKIN pin */ + GPIO_InitStructure.GPIO_Pin = GPIO_Pin_15; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; + + GPIO_Init(GPIOE, &GPIO_InitStructure); + + /* TIM1 Full remapping pins */ + GPIO_PinRemapConfig(GPIO_FullRemap_TIM1, ENABLE); + +#else + /* GPIOA Configuration: Channel 1, 2 and 3 as alternate function push-pull */ + GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; + GPIO_Init(GPIOA, &GPIO_InitStructure); + + /* GPIOB Configuration: Channel 1N, 2N and 3N as alternate function push-pull */ + GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13 | GPIO_Pin_14 | GPIO_Pin_15; + GPIO_Init(GPIOB, &GPIO_InitStructure); + + /* GPIOB Configuration: BKIN pin */ + GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; + GPIO_Init(GPIOB, &GPIO_InitStructure); +#endif +} + +/** + * @brief Configures the SysTick. + * @param None + * @retval None + */ +void SysTick_Configuration(void) +{ + /* Setup SysTick Timer for 100 msec interrupts */ + if (SysTick_Config((SystemCoreClock) / 10)) + { + /* Capture error */ + while (1); + } + + NVIC_SetPriority(SysTick_IRQn, 0x0); +} + +/** + * @brief Configures the nested vectored interrupt controller. + * @param None + * @retval None + */ +void NVIC_Configuration(void) +{ + NVIC_InitTypeDef NVIC_InitStructure; + + /* Enable the TIM1 Interrupt */ +#if defined (STM32F10X_LD_VL) || defined (STM32F10X_MD_VL) || defined (STM32F10X_HD_VL) + NVIC_InitStructure.NVIC_IRQChannel = TIM1_TRG_COM_TIM17_IRQn; +#else + NVIC_InitStructure.NVIC_IRQChannel = TIM1_TRG_COM_IRQn; +#endif + NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0; + NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1; + NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; + NVIC_Init(&NVIC_InitStructure); + +} + +#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****/ |