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Diffstat (limited to 'tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/TIM/TIM15_ComplementarySignals/main.c')
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1 files changed, 192 insertions, 0 deletions
diff --git a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/TIM/TIM15_ComplementarySignals/main.c b/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/TIM/TIM15_ComplementarySignals/main.c new file mode 100644 index 0000000..973bed6 --- /dev/null +++ b/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/TIM/TIM15_ComplementarySignals/main.c @@ -0,0 +1,192 @@ +/** + ****************************************************************************** + * @file TIM/TIM15_ComplementarySignals/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 TIM15_ComplementarySignals + * @{ + */ + +/* 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; + +/* 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(); + + /* GPIO Configuration */ + GPIO_Configuration(); + + /* ----------------------------------------------------------------------- + TIM15 Configuration to: + + 1/ Generate a complementary PWM signals with 50% duty cycles: + TIM15CLK = 24 MHz, Prescaler = 0, TIM15 counter clock = 24 MHz + TIM15 frequency = TIM15CLK/(TIM15_Period + 1) = 366 Hz + + TIM15 Channel1 duty cycle = TIM15->CCR1 / TIM15_Period = 50% + TIM15 Channel1N duty cycle = (TIM15_Period - TIM15_CCR1) / (TIM15_Period + 1) = 50% + + 2/ Insert a dead time equal to 1.62 us + 3/ Configure the break feature, active at High level, and using the automatic + output enable feature + 4/ Use the Locking parameters level1. + ----------------------------------------------------------------------- */ + + /* Time Base configuration */ + TIM_TimeBaseStructure.TIM_Prescaler = 0; + TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; + TIM_TimeBaseStructure.TIM_Period = 65535; + TIM_TimeBaseStructure.TIM_ClockDivision = 0; + TIM_TimeBaseStructure.TIM_RepetitionCounter = 0; + + TIM_TimeBaseInit(TIM15, &TIM_TimeBaseStructure); + + /* Channel 1 Configuration in PWM mode */ + TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM2; + TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; + TIM_OCInitStructure.TIM_OutputNState = TIM_OutputNState_Enable; + TIM_OCInitStructure.TIM_Pulse = CCR1_Val; + TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_Low; + TIM_OCInitStructure.TIM_OCNPolarity = TIM_OCNPolarity_Low; + TIM_OCInitStructure.TIM_OCIdleState = TIM_OCIdleState_Set; + TIM_OCInitStructure.TIM_OCNIdleState = TIM_OCIdleState_Reset; + + TIM_OC1Init(TIM15, &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_1; + TIM_BDTRInitStructure.TIM_DeadTime = 39; + TIM_BDTRInitStructure.TIM_Break = TIM_Break_Enable; + TIM_BDTRInitStructure.TIM_BreakPolarity = TIM_BreakPolarity_High; + TIM_BDTRInitStructure.TIM_AutomaticOutput = TIM_AutomaticOutput_Enable; + + TIM_BDTRConfig(TIM15, &TIM_BDTRInitStructure); + + /* TIM15 counter enable */ + TIM_Cmd(TIM15, ENABLE); + + /* Main Output Enable */ + TIM_CtrlPWMOutputs(TIM15, ENABLE); + + while (1) + { + } +} + +/** + * @brief Configures the different system clocks. + * @param None + * @retval None + */ +void RCC_Configuration(void) +{ + /* TIM15, GPIOA, GPIOB and AFIO clocks enable */ + RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM15 | RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB + | RCC_APB2Periph_AFIO, ENABLE); +} + +/** + * @brief Configure the TIM1 Pins. + * @param None + * @retval None + */ +void GPIO_Configuration(void) +{ + GPIO_InitTypeDef GPIO_InitStructure; + + /* GPIOA Configuration: Channel 1 as alternate function push-pull */ + GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; + GPIO_Init(GPIOA, &GPIO_InitStructure); + + /* GPIOB Configuration: Channel 1N as alternate function push-pull */ + GPIO_InitStructure.GPIO_Pin = GPIO_Pin_15; + GPIO_Init(GPIOB, &GPIO_InitStructure); + + /* GPIOA Configuration: BKIN pin */ + GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; + GPIO_Init(GPIOB, &GPIO_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****/ |