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Diffstat (limited to 'tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/DMA/ADC_TIM1/main.c')
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1 files changed, 212 insertions, 0 deletions
diff --git a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/DMA/ADC_TIM1/main.c b/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/DMA/ADC_TIM1/main.c new file mode 100644 index 0000000..fbf4cbf --- /dev/null +++ b/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/DMA/ADC_TIM1/main.c @@ -0,0 +1,212 @@ +/** + ****************************************************************************** + * @file DMA/ADC_TIM1/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 DMA_ADC_TIM1 + * @{ + */ + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ +#define ADC1_DR_Address 0x4001244C +#define TIM1_CCR1_Address 0x40012C34 + +/* Private macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +ADC_InitTypeDef ADC_InitStructure; +TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure; +TIM_OCInitTypeDef TIM_OCInitStructure; +DMA_InitTypeDef DMA_InitStructure; + +/* 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(); + + /* DMA1 Channel5 configuration ----------------------------------------------*/ + DMA_DeInit(DMA1_Channel5); + DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)TIM1_CCR1_Address; + DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)ADC1_DR_Address; + DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralDST; + DMA_InitStructure.DMA_BufferSize = 1; + DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable; + DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Disable; + DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord; + DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord; + DMA_InitStructure.DMA_Mode = DMA_Mode_Circular; + DMA_InitStructure.DMA_Priority = DMA_Priority_High; + DMA_InitStructure.DMA_M2M = DMA_M2M_Disable; + DMA_Init(DMA1_Channel5, &DMA_InitStructure); + /* Enable DMA1 Channel5 */ + DMA_Cmd(DMA1_Channel5, ENABLE); + + /* ADC1 configuration ------------------------------------------------------*/ + ADC_InitStructure.ADC_Mode = ADC_Mode_Independent; + ADC_InitStructure.ADC_ScanConvMode = DISABLE; + ADC_InitStructure.ADC_ContinuousConvMode = ENABLE; + ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None; + ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right; + ADC_InitStructure.ADC_NbrOfChannel = 1; + ADC_Init(ADC1, &ADC_InitStructure); + + /* ADC1 RegularChannelConfig Test */ + ADC_RegularChannelConfig(ADC1, ADC_Channel_14, 1, ADC_SampleTime_55Cycles5); + + /* TIM1 configuration ------------------------------------------------------*/ + /* Time Base configuration */ + TIM_TimeBaseStructInit(&TIM_TimeBaseStructure); + TIM_TimeBaseStructure.TIM_Period = 0xFF0; + TIM_TimeBaseStructure.TIM_Prescaler = 0x0; + TIM_TimeBaseStructure.TIM_ClockDivision = 0x0; + TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; + TIM_TimeBaseInit(TIM1, &TIM_TimeBaseStructure); + /* Channel1 Configuration in PWM mode */ + TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; + TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; + TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High; + TIM_OC1Init(TIM1, &TIM_OCInitStructure); + + /* Enable TIM1 */ + TIM_Cmd(TIM1, ENABLE); + /* Enable TIM1 outputs */ + TIM_CtrlPWMOutputs(TIM1, ENABLE); + + /* Enable TIM1 DMA interface */ + TIM_DMACmd(TIM1, TIM_DMA_Update, ENABLE); + + /* Enable ADC1 */ + ADC_Cmd(ADC1, ENABLE); + + /* Enable ADC1 reset calibration register */ + ADC_ResetCalibration(ADC1); + /* Check the end of ADC1 reset calibration register */ + while(ADC_GetResetCalibrationStatus(ADC1)); + + /* Start ADC1 calibration */ + ADC_StartCalibration(ADC1); + /* Check the end of ADC1 calibration */ + while(ADC_GetCalibrationStatus(ADC1)); + + /* Start ADC1 conversion */ + ADC_SoftwareStartConvCmd(ADC1, ENABLE); + + while (1) + { + } +} + +/** + * @brief Configures the different system clocks. + * @param None + * @retval None + */ +void RCC_Configuration(void) +{ + /* ADCCLK = PCLK2/8 */ + RCC_ADCCLKConfig(RCC_PCLK2_Div8); + + /* Enable peripheral clocks ------------------------------------------------*/ + /* Enable DMA1 clock */ + RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE); + /* Enable GPIOA, GPIOC, ADC1 and TIM1 Periph clock */ + RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOC | + RCC_APB2Periph_ADC1 | RCC_APB2Periph_TIM1, ENABLE); +} + +/** + * @brief Configures the different GPIO ports. + * @param None + * @retval None + */ +void GPIO_Configuration(void) +{ + GPIO_InitTypeDef GPIO_InitStructure; + + /* Configure TIM1 Channel1 output */ + GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; + GPIO_Init(GPIOA, &GPIO_InitStructure); + + /* Configure ADC Channel14 as analog input */ + GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4 ; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN; + GPIO_Init(GPIOC, &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) */ + + /* Infinite loop */ + while (1) + { + } +} + +#endif + +/** + * @} + */ + +/** + * @} + */ + +/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/ |