Initial commit of library code, moved from leaftest repo

git-svn-id: https://leaflabs.googlecode.com/svn/trunk/library@69 749a229e-a60e-11de-b98f-4500b42dc123

1 files changed, 275 insertions, 0 deletions

diff --git a/src/stm32lib/examples/DMA/FSMC/main.c b/src/stm32lib/examples/DMA/FSMC/main.c
new file mode 100755
index 0000000..f5b2df7
--- /dev/null
+++ b/src/stm32lib/examples/DMA/FSMC/main.c
@@ -0,0 +1,275 @@
+/******************** (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****/