--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libs/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/DMA/I2C_RAM/main.c	Mon Oct 03 21:19:15 2011 +1030
@@ -0,0 +1,256 @@
+/**
+  ******************************************************************************
+  * @file    DMA/I2C_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>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
+  ******************************************************************************
+  */ 
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f10x.h"
+
+/** @addtogroup STM32F10x_StdPeriph_Examples
+  * @{
+  */
+
+/** @addtogroup DMA_I2C_RAM
+  * @{
+  */ 
+
+/* Private typedef -----------------------------------------------------------*/
+typedef enum { FAILED = 0, PASSED = !FAILED} TestStatus;
+
+/* Private define ------------------------------------------------------------*/
+#define I2C1_DR_Address        0x40005410
+#define I2C2_DR_Address        0x40005810
+#define I2C1_SLAVE_ADDRESS7    0x30
+#define I2C2_SLAVE_ADDRESS7    0x30
+#define BufferSize             8
+#define ClockSpeed             100000
+
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+I2C_InitTypeDef  I2C_InitStructure;
+DMA_InitTypeDef  DMA_InitStructure;
+uint8_t I2C1_Buffer_Tx[BufferSize] = {1, 2, 3, 4, 5, 6, 7, 8};
+uint8_t I2C2_Buffer_Rx[BufferSize];
+uint8_t Tx_Idx = 0, Rx_Idx = 0;
+volatile TestStatus TransferStatus;
+    
+/* Private function prototypes -----------------------------------------------*/
+void RCC_Configuration(void);
+void GPIO_Configuration(void);
+TestStatus Buffercmp(uint8_t* pBuffer, uint8_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();
+       
+  /* Configure the GPIO ports */
+  GPIO_Configuration();
+
+  /* DMA1 channel5 configuration ----------------------------------------------*/
+  DMA_DeInit(DMA1_Channel5);
+  DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)I2C2_DR_Address;
+  DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)I2C2_Buffer_Rx;
+  DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
+  DMA_InitStructure.DMA_BufferSize = BufferSize;
+  DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
+  DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
+  DMA_InitStructure.DMA_PeripheralDataSize = DMA_MemoryDataSize_Byte;
+  DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Byte;
+  DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
+  DMA_InitStructure.DMA_Priority = DMA_Priority_VeryHigh;
+  DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
+  DMA_Init(DMA1_Channel5, &DMA_InitStructure);
+
+  /* DMA1 channel6 configuration ----------------------------------------------*/
+  DMA_DeInit(DMA1_Channel6);
+  DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)I2C1_DR_Address;
+  DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)I2C1_Buffer_Tx;
+  DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralDST;
+  DMA_InitStructure.DMA_Priority = DMA_Priority_High;
+  DMA_Init(DMA1_Channel6, &DMA_InitStructure);
+
+  /* Enable I2C1 and I2C2 ----------------------------------------------------*/
+  I2C_Cmd(I2C1, ENABLE);
+  I2C_Cmd(I2C2, ENABLE);
+
+  /* I2C1 configuration ------------------------------------------------------*/
+  I2C_InitStructure.I2C_Mode = I2C_Mode_I2C;
+  I2C_InitStructure.I2C_DutyCycle = I2C_DutyCycle_2;
+  I2C_InitStructure.I2C_OwnAddress1 = I2C1_SLAVE_ADDRESS7;
+  I2C_InitStructure.I2C_Ack = I2C_Ack_Enable;
+  I2C_InitStructure.I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit;
+  I2C_InitStructure.I2C_ClockSpeed = ClockSpeed;
+  I2C_Init(I2C1, &I2C_InitStructure);
+  /* I2C2 configuration ------------------------------------------------------*/
+  I2C_InitStructure.I2C_OwnAddress1 = I2C2_SLAVE_ADDRESS7;
+  I2C_Init(I2C2, &I2C_InitStructure);
+  
+  /*----- Transmission Phase -----*/
+  /* Send I2C1 START condition */
+  I2C_GenerateSTART(I2C1, ENABLE);
+  /* Test on I2C1 EV5 and clear it */
+  while(!I2C_CheckEvent(I2C1, I2C_EVENT_MASTER_MODE_SELECT));  
+  /* Send I2C2 slave Address for write */
+  I2C_Send7bitAddress(I2C1, I2C2_SLAVE_ADDRESS7, I2C_Direction_Transmitter);
+  /* Test on I2C2 EV1 and clear it */
+  while(!I2C_CheckEvent(I2C2, I2C_EVENT_SLAVE_RECEIVER_ADDRESS_MATCHED));  
+  /* Test on I2C1 EV6 and clear it */
+  while(!I2C_CheckEvent(I2C1, I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED));  
+
+  /* Enable I2C2 DMA */
+  I2C_DMACmd(I2C2, ENABLE);
+  /* Enable I2C1 DMA */
+  I2C_DMACmd(I2C1, ENABLE);
+
+  /* Enable DMA1 Channel5 */
+  DMA_Cmd(DMA1_Channel5, ENABLE);
+  /* Enable DMA1 Channel6 */
+  DMA_Cmd(DMA1_Channel6, ENABLE);
+
+  /* DMA1 Channel5 transfer complete test */
+  while(!DMA_GetFlagStatus(DMA1_FLAG_TC5));
+  /* DMA1 Channel6 transfer complete test */
+  while(!DMA_GetFlagStatus(DMA1_FLAG_TC6));
+
+  /* Send I2C1 STOP Condition */
+  I2C_GenerateSTOP(I2C1, ENABLE);
+  /* Test on I2C2 EV4 */
+  while(!I2C_CheckEvent(I2C2, I2C_EVENT_SLAVE_STOP_DETECTED)); 
+  /* Clear I2C2 STOPF flag: read operation to I2C_SR1 followed by a 
+  write operation to I2C_CR1 */
+  (void)(I2C_GetFlagStatus(I2C2, I2C_FLAG_STOPF));
+  I2C_Cmd(I2C2, ENABLE);
+
+
+  /* Check if the transmitted and received data are equal */
+  TransferStatus = Buffercmp(I2C1_Buffer_Tx, I2C2_Buffer_Rx, 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 DMA1 clock */
+  RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
+  /* Enable GPIOB clock */
+  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
+  /* Enable I2C1 and I2C2 clock */
+  RCC_APB1PeriphClockCmd(RCC_APB1Periph_I2C1 | RCC_APB1Periph_I2C2, ENABLE);
+}
+
+/**
+  * @brief  Configures the different GPIO ports.
+  * @param  None
+  * @retval None
+  */
+void GPIO_Configuration(void)
+{
+  GPIO_InitTypeDef GPIO_InitStructure;
+
+  /* Configure I2C1 pins: SCL and SDA */
+  GPIO_InitStructure.GPIO_Pin =  GPIO_Pin_6 | GPIO_Pin_7;
+  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_OD;
+  GPIO_Init(GPIOB, &GPIO_InitStructure);
+
+  /* Configure I2C2 pins: SCL and SDA */
+  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10 | GPIO_Pin_11;
+  GPIO_Init(GPIOB, &GPIO_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(uint8_t* pBuffer, uint8_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****/