/******************** (C) COPYRIGHT 2008 STMicroelectronics ******************** * File Name : main.c * Author : MCD Application Team * Version : V2.0.1 * Date : 06/13/2008 * Description : Main program body. ******************************************************************************** * 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. *******************************************************************************/ /* Includes ------------------------------------------------------------------*/ #include "fsmc_sram.h" /* Private typedef -----------------------------------------------------------*/ typedef enum {FAILED = 0, PASSED = !FAILED} TestStatus; /* Private define ------------------------------------------------------------*/ #define BufferSize 32 #define Bank1_SRAM3_ADDR ((u32)0x68000000) /* Private macro -------------------------------------------------------------*/ /* Private variables ---------------------------------------------------------*/ DMA_InitTypeDef DMA_InitStructure; ErrorStatus HSEStartUpStatus; volatile TestStatus TransferStatus; uc32 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}; u8 DST_Buffer[4*BufferSize], Idx = 0; /* Private function prototypes -----------------------------------------------*/ void RCC_Configuration(void); void NVIC_Configuration(void); void Delay(vu32 nCount); TestStatus Buffercmp(uc32* pBuffer, u32* pBuffer1, u16 BufferLength); /* Private functions ---------------------------------------------------------*/ /******************************************************************************* * Function Name : main * Description : Main program. * Input : None * Output : None * Return : None *******************************************************************************/ int main(void) { #ifdef DEBUG debug(); #endif /* System Clocks Configuration */ RCC_Configuration(); /* NVIC Configuration */ NVIC_Configuration(); /* FSMC for SRAM and SRAM pins configuration */ FSMC_SRAM_Init(); /* Write to FSMC -----------------------------------------------------------*/ /* DMA2 channel5 configuration */ DMA_DeInit(DMA2_Channel5); DMA_InitStructure.DMA_PeripheralBaseAddr = (u32)SRC_Const_Buffer; DMA_InitStructure.DMA_MemoryBaseAddr = (u32)Bank1_SRAM3_ADDR; DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC; DMA_InitStructure.DMA_BufferSize = 32; 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(DMA2_Channel5, &DMA_InitStructure); /* Enable DMA2 channel5 */ DMA_Cmd(DMA2_Channel5, ENABLE); /* Check if DMA2 channel5 transfer is finished */ while(!DMA_GetFlagStatus(DMA2_FLAG_TC5)); /* Clear DMA2 channel5 transfer complete flag bit */ DMA_ClearFlag(DMA2_FLAG_TC5); /* Read from FSMC ----------------------------------------------------------*/ /* Destination buffer initialization */ for(Idx=0; Idx<128; Idx++) DST_Buffer[Idx]=0; /* DMA1 channel3 configuration */ DMA_DeInit(DMA1_Channel3); DMA_InitStructure.DMA_PeripheralBaseAddr = (u32)Bank1_SRAM3_ADDR; DMA_InitStructure.DMA_MemoryBaseAddr = (u32)DST_Buffer; DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC; DMA_InitStructure.DMA_BufferSize = 128; DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Enable; DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable; DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Byte; DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Byte; DMA_InitStructure.DMA_Mode = DMA_Mode_Normal; DMA_InitStructure.DMA_Priority = DMA_Priority_High; DMA_InitStructure.DMA_M2M = DMA_M2M_Enable; DMA_Init(DMA1_Channel3, &DMA_InitStructure); /* Enable DMA1 channel3 */ DMA_Cmd(DMA1_Channel3, ENABLE); /* Check if DMA1 channel3 transfer is finished */ while(!DMA_GetFlagStatus(DMA1_FLAG_TC3)); /* Clear DMA1 channel3 transfer complete flag bit */ DMA_ClearFlag(DMA1_FLAG_TC3); /* Check if the transmitted and received data are equal */ TransferStatus = Buffercmp(SRC_Const_Buffer, (u32*)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) { } } /******************************************************************************* * Function Name : RCC_Configuration * Description : Configures the different system clocks. * Input : None * Output : None * Return : None *******************************************************************************/ void RCC_Configuration(void) { /* RCC system reset(for debug purpose) */ RCC_DeInit(); /* Enable HSE */ RCC_HSEConfig(RCC_HSE_ON); /* Wait till HSE is ready */ HSEStartUpStatus = RCC_WaitForHSEStartUp(); if(HSEStartUpStatus == SUCCESS) { /* Enable Prefetch Buffer */ FLASH_PrefetchBufferCmd(FLASH_PrefetchBuffer_Enable); /* Flash 2 wait state */ FLASH_SetLatency(FLASH_Latency_2); /* HCLK = SYSCLK */ RCC_HCLKConfig(RCC_SYSCLK_Div1); /* PCLK2 = HCLK */ RCC_PCLK2Config(RCC_HCLK_Div1); /* PCLK1 = HCLK/2 */ RCC_PCLK1Config(RCC_HCLK_Div2); /* PLLCLK = 8MHz * 9 = 72 MHz */ RCC_PLLConfig(RCC_PLLSource_HSE_Div1, RCC_PLLMul_9); /* Enable PLL */ RCC_PLLCmd(ENABLE); /* Wait till PLL is ready */ while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET) { } /* Select PLL as system clock source */ RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK); /* Wait till PLL is used as system clock source */ while(RCC_GetSYSCLKSource() != 0x08) { } } /* Enable peripheral clocks --------------------------------------------------*/ /* DMA1 and DMA2 clock enable */ RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1 | RCC_AHBPeriph_DMA2, ENABLE); /* FSMC clock enable */ RCC_AHBPeriphClockCmd(RCC_AHBPeriph_FSMC, ENABLE); } /******************************************************************************* * Function Name : NVIC_Configuration * Description : Configures Vector Table base location. * Input : None * Output : None * Return : None *******************************************************************************/ void NVIC_Configuration(void) { #ifdef VECT_TAB_RAM /* Set the Vector Table base location at 0x20000000 */ NVIC_SetVectorTable(NVIC_VectTab_RAM, 0x0); #else /* VECT_TAB_FLASH */ /* Set the Vector Table base location at 0x08000000 */ NVIC_SetVectorTable(NVIC_VectTab_FLASH, 0x0); #endif } /******************************************************************************* * Function Name : Delay * Description : Inserts a delay time. * Input : nCount: specifies the delay time length. * Output : None * Return : None *******************************************************************************/ void Delay(vu32 nCount) { for(; nCount != 0; nCount--); } /******************************************************************************* * Function Name : Buffercmp * Description : Compares two buffers. * Input : - pBuffer, pBuffer1: buffers to be compared. * : - BufferLength: buffer's length * Output : None * Return : PASSED: pBuffer identical to pBuffer1 * FAILED: pBuffer differs from pBuffer1 *******************************************************************************/ TestStatus Buffercmp(uc32* pBuffer, u32* pBuffer1, u16 BufferLength) { while(BufferLength--) { if(*pBuffer != *pBuffer1) { return FAILED; } pBuffer++; pBuffer1++; } return PASSED; } #ifdef DEBUG /******************************************************************************* * Function Name : assert_failed * Description : Reports the name of the source file and the source line number * where the assert_param error has occurred. * Input : - file: pointer to the source file name * - line: assert_param error line source number * Output : None * Return : None *******************************************************************************/ void assert_failed(u8* file, u32 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 2008 STMicroelectronics *****END OF FILE****/