--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libs/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/DAC/DualModeDMA_SineWave/main.c	Mon Oct 03 21:19:15 2011 +1030
@@ -0,0 +1,238 @@
+/**
+  ******************************************************************************
+  * @file    DAC/DualModeDMA_SineWave/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 DAC_DualModeDMA_SineWave
+  * @{
+  */ 
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+#define DAC_DHR12RD_Address      0x40007420
+
+/* Init Structure definition */
+DAC_InitTypeDef            DAC_InitStructure;
+DMA_InitTypeDef            DMA_InitStructure;
+TIM_TimeBaseInitTypeDef    TIM_TimeBaseStructure;
+uint32_t Idx = 0;  
+  
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+const uint16_t Sine12bit[32] = {
+                      2047, 2447, 2831, 3185, 3498, 3750, 3939, 4056, 4095, 4056,
+                      3939, 3750, 3495, 3185, 2831, 2447, 2047, 1647, 1263, 909, 
+                      599, 344, 155, 38, 0, 38, 155, 344, 599, 909, 1263, 1647};
+
+uint32_t DualSine12bit[32];
+
+/* Private function prototypes -----------------------------------------------*/
+void RCC_Configuration(void);
+void GPIO_Configuration(void);
+void Delay(__IO uint32_t nCount);
+
+/* 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();   
+
+  /* Once the DAC channel is enabled, the corresponding GPIO pin is automatically 
+     connected to the DAC converter. In order to avoid parasitic consumption, 
+     the GPIO pin should be configured in analog */
+  GPIO_Configuration();
+
+  /* TIM2 Configuration */
+  /* Time base configuration */
+  TIM_TimeBaseStructInit(&TIM_TimeBaseStructure); 
+  TIM_TimeBaseStructure.TIM_Period = 0x19;          
+  TIM_TimeBaseStructure.TIM_Prescaler = 0x0;       
+  TIM_TimeBaseStructure.TIM_ClockDivision = 0x0;    
+  TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;  
+  TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure);
+
+  /* TIM2 TRGO selection */
+  TIM_SelectOutputTrigger(TIM2, TIM_TRGOSource_Update);
+
+  /* DAC channel1 Configuration */
+  DAC_InitStructure.DAC_Trigger = DAC_Trigger_T2_TRGO;
+  DAC_InitStructure.DAC_WaveGeneration = DAC_WaveGeneration_None;
+  DAC_InitStructure.DAC_OutputBuffer = DAC_OutputBuffer_Disable;
+  DAC_Init(DAC_Channel_1, &DAC_InitStructure);
+
+  /* DAC channel2 Configuration */
+  DAC_Init(DAC_Channel_2, &DAC_InitStructure);
+
+  /* Fill Sine32bit table */
+  for (Idx = 0; Idx < 32; Idx++)
+  {
+    DualSine12bit[Idx] = (Sine12bit[Idx] << 16) + (Sine12bit[Idx]);
+  }
+
+#if !defined STM32F10X_LD_VL && !defined STM32F10X_MD_VL
+  /* DMA2 channel4 configuration */
+  DMA_DeInit(DMA2_Channel4);
+#else
+  /* DMA1 channel4 configuration */
+  DMA_DeInit(DMA1_Channel4);
+#endif
+  DMA_InitStructure.DMA_PeripheralBaseAddr = DAC_DHR12RD_Address;
+  DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)&DualSine12bit;
+  DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralDST;
+  DMA_InitStructure.DMA_BufferSize = 32;
+  DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
+  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_Circular;
+  DMA_InitStructure.DMA_Priority = DMA_Priority_High;
+  DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
+
+#if !defined STM32F10X_LD_VL && !defined STM32F10X_MD_VL
+  DMA_Init(DMA2_Channel4, &DMA_InitStructure);
+  /* Enable DMA2 Channel4 */
+  DMA_Cmd(DMA2_Channel4, ENABLE);
+#else
+  DMA_Init(DMA1_Channel4, &DMA_InitStructure);
+  /* Enable DMA1 Channel4 */
+  DMA_Cmd(DMA1_Channel4, ENABLE);
+#endif
+
+  /* Enable DAC Channel1: Once the DAC channel1 is enabled, PA.04 is 
+     automatically connected to the DAC converter. */
+  DAC_Cmd(DAC_Channel_1, ENABLE);
+  /* Enable DAC Channel2: Once the DAC channel2 is enabled, PA.05 is 
+     automatically connected to the DAC converter. */
+  DAC_Cmd(DAC_Channel_2, ENABLE);
+
+  /* Enable DMA for DAC Channel2 */
+  DAC_DMACmd(DAC_Channel_2, ENABLE);
+
+  /* TIM2 enable counter */
+  TIM_Cmd(TIM2, ENABLE);
+
+  while (1)
+  {
+  }
+}
+
+
+/**
+  * @brief  Configures the different system clocks.
+  * @param  None
+  * @retval None
+  */
+void RCC_Configuration(void)
+{   
+  /* Enable peripheral clocks ------------------------------------------------*/
+#if !defined STM32F10X_LD_VL && !defined STM32F10X_MD_VL
+  /* DMA2 clock enable */
+  RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA2, ENABLE);
+#else
+  /* DMA1 clock enable */
+  RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
+#endif
+  /* GPIOA Periph clock enable */
+  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
+  /* DAC Periph clock enable */
+  RCC_APB1PeriphClockCmd(RCC_APB1Periph_DAC, ENABLE);
+  /* TIM2 Periph clock enable */
+  RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);
+}
+
+
+/**
+  * @brief  Configures the different GPIO ports.
+  * @param  None
+  * @retval None
+  */
+void GPIO_Configuration(void)
+{
+  GPIO_InitTypeDef GPIO_InitStructure;
+
+  /* Once the DAC channel is enabled, the corresponding GPIO pin is automatically 
+     connected to the DAC converter. In order to avoid parasitic consumption, 
+     the GPIO pin should be configured in analog */
+  GPIO_InitStructure.GPIO_Pin =  GPIO_Pin_4 | GPIO_Pin_5;
+  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
+  GPIO_Init(GPIOA, &GPIO_InitStructure);
+}
+
+/**
+  * @brief  Inserts a delay time.
+  * @param  nCount: specifies the delay time length.
+  * @retval None
+  */
+void Delay(__IO uint32_t nCount)
+{
+  for(; nCount != 0; nCount--);
+}
+
+#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****/