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, 329 insertions, 0 deletions

diff --git a/src/stm32lib/examples/SDIO/main.c b/src/stm32lib/examples/SDIO/main.c
new file mode 100755
index 0000000..73259d0
--- /dev/null
+++ b/src/stm32lib/examples/SDIO/main.c
@@ -0,0 +1,329 @@
+/******************** (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 "stm32f10x_lib.h"

+#include "sdcard.h"

+

+/* Private typedef -----------------------------------------------------------*/

+typedef enum {FAILED = 0, PASSED = !FAILED} TestStatus;

+

+/* Private define ------------------------------------------------------------*/

+#define BlockSize            512 /* Block Size in Bytes */

+#define BufferWordsSize      (BlockSize >> 2)

+

+#define NumberOfBlocks       2  /* For Multi Blocks operation (Read/Write) */

+#define MultiBufferWordsSize ((BlockSize * NumberOfBlocks) >> 2)

+

+

+/* Private macro -------------------------------------------------------------*/

+/* Private variables ---------------------------------------------------------*/

+SD_CardInfo SDCardInfo;

+u32 Buffer_Block_Tx[BufferWordsSize], Buffer_Block_Rx[BufferWordsSize];

+u32 Buffer_MultiBlock_Tx[MultiBufferWordsSize], Buffer_MultiBlock_Rx[MultiBufferWordsSize];

+volatile TestStatus EraseStatus = FAILED, TransferStatus1 = FAILED, TransferStatus2 = FAILED;

+SD_Error Status = SD_OK;

+ErrorStatus HSEStartUpStatus;

+

+/* Private function prototypes -----------------------------------------------*/

+void RCC_Configuration(void);

+void NVIC_Configuration(void);

+void Fill_Buffer(u32 *pBuffer, u16 BufferLenght, u32 Offset);

+TestStatus Buffercmp(u32* pBuffer1, u32* pBuffer2, u16 BufferLength);

+TestStatus eBuffercmp(u32* pBuffer, u16 BufferLength);

+

+/* Private functions ---------------------------------------------------------*/

+

+/*******************************************************************************

+* Function Name  : main

+* Description    : Main program.

+* Input          : None

+* Output         : None

+* Return         : None

+*******************************************************************************/

+int main(void)

+{

+#ifdef DEBUG

+  debug();

+#endif

+

+  /* Clock Config */

+  RCC_Configuration();

+

+  /* Interrupt Config */

+  NVIC_Configuration();

+

+  /*-------------------------- SD Init ----------------------------- */

+  Status = SD_Init();

+

+  if (Status == SD_OK)

+  {

+    /*----------------- Read CSD/CID MSD registers ------------------*/

+    Status = SD_GetCardInfo(&SDCardInfo);

+  }

+

+  if (Status == SD_OK)

+  {

+    /*----------------- Select Card --------------------------------*/

+    Status = SD_SelectDeselect((u32) (SDCardInfo.RCA << 16));

+  }

+

+  if (Status == SD_OK)

+  {

+    Status = SD_EnableWideBusOperation(SDIO_BusWide_4b);

+  }

+

+  /*------------------- Block Erase -------------------------------*/

+  if (Status == SD_OK)

+  {

+    /* Erase NumberOfBlocks Blocks of WRITE_BL_LEN(512 Bytes) */

+    Status = SD_Erase(0x00, (BlockSize * NumberOfBlocks));

+  }

+

+  /* Set Device Transfer Mode to DMA */

+  if (Status == SD_OK)

+  {  

+    Status = SD_SetDeviceMode(SD_DMA_MODE);

+  }

+

+  if (Status == SD_OK)

+  {

+    Status = SD_ReadMultiBlocks(0x00, Buffer_MultiBlock_Rx, BlockSize, NumberOfBlocks);

+  }

+

+  if (Status == SD_OK)

+  {

+    EraseStatus = eBuffercmp(Buffer_MultiBlock_Rx, MultiBufferWordsSize);

+  }

+  

+  /*------------------- Block Read/Write --------------------------*/

+  /* Fill the buffer to send */

+  Fill_Buffer(Buffer_Block_Tx, BufferWordsSize, 0xFFFF);

+

+

+  if (Status == SD_OK)

+  {

+    /* Write block of 512 bytes on address 0 */

+    Status = SD_WriteBlock(0x00, Buffer_Block_Tx, BlockSize);

+  }

+

+  if (Status == SD_OK)

+  {

+    /* Read block of 512 bytes from address 0 */

+    Status = SD_ReadBlock(0x00, Buffer_Block_Rx, BlockSize);

+  }

+

+  if (Status == SD_OK)

+  {

+    /* Check the corectness of written dada */

+    TransferStatus1 = Buffercmp(Buffer_Block_Tx, Buffer_Block_Rx, BufferWordsSize);

+  }

+

+  /*--------------- Multiple Block Read/Write ---------------------*/

+  /* Fill the buffer to send */

+  Fill_Buffer(Buffer_MultiBlock_Tx, MultiBufferWordsSize, 0x0);

+

+  if (Status == SD_OK)

+  {

+    /* Write multiple block of many bytes on address 0 */

+    Status = SD_WriteMultiBlocks(0x00, Buffer_MultiBlock_Tx, BlockSize, NumberOfBlocks);

+  }

+

+  if (Status == SD_OK)

+  {

+    /* Read block of many bytes from address 0 */

+    Status = SD_ReadMultiBlocks(0x00, Buffer_MultiBlock_Rx, BlockSize, NumberOfBlocks);

+  }

+

+  if (Status == SD_OK)

+  {

+    /* Check the corectness of written dada */

+    TransferStatus2 = Buffercmp(Buffer_MultiBlock_Tx, Buffer_MultiBlock_Rx, MultiBufferWordsSize);

+  }

+

+  /* Infinite loop */

+  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)

+    {

+    }

+  }

+}

+

+/*******************************************************************************

+* Function Name  : NVIC_Config

+* Description    : Configures SDIO IRQ channel.

+* Input          : None

+* Output         : None

+* Return         : None

+*******************************************************************************/

+void NVIC_Configuration(void)

+{

+  NVIC_InitTypeDef NVIC_InitStructure;

+

+  /* Configure the NVIC Preemption Priority Bits */

+  NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);

+

+  NVIC_InitStructure.NVIC_IRQChannel = SDIO_IRQChannel;

+  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;

+  NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;

+  NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;

+  NVIC_Init(&NVIC_InitStructure);

+}

+

+/*******************************************************************************

+* Function Name  : Buffercmp

+* Description    : Compares two buffers.

+* Input          : - pBuffer1, pBuffer2: buffers to be compared.

+*                : - BufferLength: buffer's length

+* Output         : None

+* Return         : PASSED: pBuffer1 identical to pBuffer2

+*                  FAILED: pBuffer1 differs from pBuffer2

+*******************************************************************************/

+TestStatus Buffercmp(u32* pBuffer1, u32* pBuffer2, u16 BufferLength)

+{

+  while (BufferLength--)

+  {

+    if (*pBuffer1 != *pBuffer2)

+    {

+      return FAILED;

+    }

+

+    pBuffer1++;

+    pBuffer2++;

+  }

+

+  return PASSED;

+}

+

+/*******************************************************************************

+* Function name : Fill_Buffer

+* Description   : Fills buffer with user predefined data.

+* Input         : - pBuffer: pointer on the Buffer to fill

+*                 - BufferLenght: size of the buffer to fill

+*                 - Offset: first value to fill on the Buffer

+* Output        : None

+* Return        : None

+*******************************************************************************/

+void Fill_Buffer(u32 *pBuffer, u16 BufferLenght, u32 Offset)

+{

+  u16 index = 0;

+

+  /* Put in global buffer same values */

+  for (index = 0; index < BufferLenght; index++ )

+  {

+    pBuffer[index] = index + Offset;

+  }

+}

+

+/*******************************************************************************

+* Function name : eBuffercmp

+* Description    : Checks if a buffer has all its values are equal to zero.

+* Input          : - pBuffer: buffer to be compared.

+*                : - BufferLength: buffer's length

+* Output         : None

+* Return         : PASSED: pBuffer values are zero

+*                  FAILED: At least one value from pBuffer buffer is diffrent 

+*                          from zero.

+*******************************************************************************/

+TestStatus eBuffercmp(u32* pBuffer, u16 BufferLength)

+{

+  while (BufferLength--)

+  {

+    if (*pBuffer != 0x00)

+    {

+      return FAILED;

+    }

+

+    pBuffer++;

+  }

+

+  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****/