diff options
Diffstat (limited to 'tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/DMA/FLASH_RAM/main.c')
| -rw-r--r-- | tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/DMA/FLASH_RAM/main.c | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/DMA/FLASH_RAM/main.c b/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/DMA/FLASH_RAM/main.c new file mode 100644 index 0000000..379023d --- /dev/null +++ b/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/DMA/FLASH_RAM/main.c @@ -0,0 +1,206 @@ +/** + ****************************************************************************** + * @file DMA/FLASH_RAM/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_FLASH_RAM + * @{ + */ + +/* Private typedef -----------------------------------------------------------*/ +typedef enum {FAILED = 0, PASSED = !FAILED} TestStatus; + +/* Private define ------------------------------------------------------------*/ +#define BufferSize 32 + +/* Private macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +DMA_InitTypeDef DMA_InitStructure; +__IO uint32_t CurrDataCounterBegin = 0; +__IO uint32_t CurrDataCounterEnd = 0x01; /* This variable should not be initialized to 0 */ + +TestStatus TransferStatus = FAILED; +const uint32_t SRC_Const_Buffer[BufferSize]= { + 0x01020304,0x05060708,0x090A0B0C,0x0D0E0F10, + 0x11121314,0x15161718,0x191A1B1C,0x1D1E1F20, + 0x21222324,0x25262728,0x292A2B2C,0x2D2E2F30, + 0x31323334,0x35363738,0x393A3B3C,0x3D3E3F40, + 0x41424344,0x45464748,0x494A4B4C,0x4D4E4F50, + 0x51525354,0x55565758,0x595A5B5C,0x5D5E5F60, + 0x61626364,0x65666768,0x696A6B6C,0x6D6E6F70, + 0x71727374,0x75767778,0x797A7B7C,0x7D7E7F80}; +uint32_t DST_Buffer[BufferSize]; + +/* Private function prototypes -----------------------------------------------*/ +void RCC_Configuration(void); +void NVIC_Configuration(void); +TestStatus Buffercmp(const uint32_t* pBuffer, uint32_t* pBuffer1, uint16_t BufferLength); + +/* 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(); + + /* DMA1 channel6 configuration */ + DMA_DeInit(DMA1_Channel6); + DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)SRC_Const_Buffer; + DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)DST_Buffer; + DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC; + DMA_InitStructure.DMA_BufferSize = BufferSize; + DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Enable; + DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable; + DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Word; + DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Word; + DMA_InitStructure.DMA_Mode = DMA_Mode_Normal; + DMA_InitStructure.DMA_Priority = DMA_Priority_High; + DMA_InitStructure.DMA_M2M = DMA_M2M_Enable; + DMA_Init(DMA1_Channel6, &DMA_InitStructure); + + /* Enable DMA1 Channel6 Transfer Complete interrupt */ + DMA_ITConfig(DMA1_Channel6, DMA_IT_TC, ENABLE); + + /* Get Current Data Counter value before transfer begins */ + CurrDataCounterBegin = DMA_GetCurrDataCounter(DMA1_Channel6); + + /* Enable DMA1 Channel6 transfer */ + DMA_Cmd(DMA1_Channel6, ENABLE); + + /* Wait the end of transmission */ + while (CurrDataCounterEnd != 0) + { + } + + /* Check if the transmitted and received data are equal */ + TransferStatus = Buffercmp(SRC_Const_Buffer, DST_Buffer, BufferSize); + /* TransferStatus = PASSED, if the transmitted and received data + are the same */ + /* TransferStatus = FAILED, if the transmitted and received data + are different */ + + while (1) + { + } +} + +/** + * @brief Configures the different system clocks. + * @param None + * @retval None + */ +void RCC_Configuration(void) +{ + /* Enable peripheral clocks ------------------------------------------------*/ + /* Enable DMA1 clock */ + RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE); +} + +/** + * @brief Configure the nested vectored interrupt controller. + * @param None + * @retval None + */ +void NVIC_Configuration(void) +{ + NVIC_InitTypeDef NVIC_InitStructure; + + /* Enable DMA1 channel6 IRQ Channel */ + NVIC_InitStructure.NVIC_IRQChannel = DMA1_Channel6_IRQn; + NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0; + NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; + NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; + NVIC_Init(&NVIC_InitStructure); +} + +/** + * @brief Compares two buffers. + * @param pBuffer, pBuffer1: buffers to be compared. + * @param BufferLength: buffer's length + * @retval PASSED: pBuffer identical to pBuffer1 + * FAILED: pBuffer differs from pBuffer1 + */ +TestStatus Buffercmp(const uint32_t* pBuffer, uint32_t* pBuffer1, uint16_t BufferLength) +{ + while(BufferLength--) + { + if(*pBuffer != *pBuffer1) + { + return FAILED; + } + + pBuffer++; + pBuffer1++; + } + + return PASSED; +} + +#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****/ |