--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libs/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/TIM/PWM_Output/main.c	Mon Oct 03 21:19:15 2011 +1030
@@ -0,0 +1,215 @@
+/**
+  ******************************************************************************
+  * @file    TIM/PWM_Output/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 TIM_PWM_Output
+  * @{
+  */ 
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+TIM_TimeBaseInitTypeDef  TIM_TimeBaseStructure;
+TIM_OCInitTypeDef  TIM_OCInitStructure;
+uint16_t CCR1_Val = 333;
+uint16_t CCR2_Val = 249;
+uint16_t CCR3_Val = 166;
+uint16_t CCR4_Val = 83;
+uint16_t PrescalerValue = 0;
+
+/* Private function prototypes -----------------------------------------------*/
+void RCC_Configuration(void);
+void GPIO_Configuration(void);
+
+/* 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();
+
+  /* GPIO Configuration */
+  GPIO_Configuration();
+
+  /* -----------------------------------------------------------------------
+    TIM3 Configuration: generate 4 PWM signals with 4 different duty cycles:
+    The TIM3CLK frequency is set to SystemCoreClock (Hz), to get TIM3 counter
+    clock at 24 MHz the Prescaler is computed as following:
+     - Prescaler = (TIM3CLK / TIM3 counter clock) - 1
+    SystemCoreClock is set to 72 MHz for Low-density, Medium-density, High-density
+    and Connectivity line devices and to 24 MHz for Low-Density Value line and
+    Medium-Density Value line devices
+
+    The TIM3 is running at 36 KHz: TIM3 Frequency = TIM3 counter clock/(ARR + 1)
+                                                  = 24 MHz / 666 = 36 KHz
+    TIM3 Channel1 duty cycle = (TIM3_CCR1/ TIM3_ARR)* 100 = 50%
+    TIM3 Channel2 duty cycle = (TIM3_CCR2/ TIM3_ARR)* 100 = 37.5%
+    TIM3 Channel3 duty cycle = (TIM3_CCR3/ TIM3_ARR)* 100 = 25%
+    TIM3 Channel4 duty cycle = (TIM3_CCR4/ TIM3_ARR)* 100 = 12.5%
+  ----------------------------------------------------------------------- */
+  /* Compute the prescaler value */
+  PrescalerValue = (uint16_t) (SystemCoreClock / 24000000) - 1;
+  /* Time base configuration */
+  TIM_TimeBaseStructure.TIM_Period = 665;
+  TIM_TimeBaseStructure.TIM_Prescaler = PrescalerValue;
+  TIM_TimeBaseStructure.TIM_ClockDivision = 0;
+  TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
+
+  TIM_TimeBaseInit(TIM3, &TIM_TimeBaseStructure);
+
+  /* PWM1 Mode configuration: Channel1 */
+  TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;
+  TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
+  TIM_OCInitStructure.TIM_Pulse = CCR1_Val;
+  TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;
+
+  TIM_OC1Init(TIM3, &TIM_OCInitStructure);
+
+  TIM_OC1PreloadConfig(TIM3, TIM_OCPreload_Enable);
+
+  /* PWM1 Mode configuration: Channel2 */
+  TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
+  TIM_OCInitStructure.TIM_Pulse = CCR2_Val;
+
+  TIM_OC2Init(TIM3, &TIM_OCInitStructure);
+
+  TIM_OC2PreloadConfig(TIM3, TIM_OCPreload_Enable);
+
+  /* PWM1 Mode configuration: Channel3 */
+  TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
+  TIM_OCInitStructure.TIM_Pulse = CCR3_Val;
+
+  TIM_OC3Init(TIM3, &TIM_OCInitStructure);
+
+  TIM_OC3PreloadConfig(TIM3, TIM_OCPreload_Enable);
+
+  /* PWM1 Mode configuration: Channel4 */
+  TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
+  TIM_OCInitStructure.TIM_Pulse = CCR4_Val;
+
+  TIM_OC4Init(TIM3, &TIM_OCInitStructure);
+
+  TIM_OC4PreloadConfig(TIM3, TIM_OCPreload_Enable);
+
+  TIM_ARRPreloadConfig(TIM3, ENABLE);
+
+  /* TIM3 enable counter */
+  TIM_Cmd(TIM3, ENABLE);
+
+  while (1)
+  {}
+}
+
+/**
+  * @brief  Configures the different system clocks.
+  * @param  None
+  * @retval None
+  */
+void RCC_Configuration(void)
+{
+  /* TIM3 clock enable */
+  RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE);
+
+  /* GPIOA and GPIOB clock enable */
+  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB |
+                         RCC_APB2Periph_GPIOC | RCC_APB2Periph_AFIO, ENABLE);
+}
+
+/**
+  * @brief  Configure the TIM3 Ouput Channels.
+  * @param  None
+  * @retval None
+  */
+void GPIO_Configuration(void)
+{
+  GPIO_InitTypeDef GPIO_InitStructure;
+
+#ifdef STM32F10X_CL
+  /*GPIOB Configuration: TIM3 channel1, 2, 3 and 4 */
+  GPIO_InitStructure.GPIO_Pin =  GPIO_Pin_6 | GPIO_Pin_7 | GPIO_Pin_8 | GPIO_Pin_9;
+  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
+  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+
+  GPIO_Init(GPIOC, &GPIO_InitStructure);
+
+  GPIO_PinRemapConfig(GPIO_FullRemap_TIM3, ENABLE);	
+
+#else
+  /* GPIOA Configuration:TIM3 Channel1, 2, 3 and 4 as alternate function push-pull */
+  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6 | GPIO_Pin_7;
+  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
+  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+
+  GPIO_Init(GPIOA, &GPIO_InitStructure);
+
+  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1;
+  GPIO_Init(GPIOB, &GPIO_InitStructure);
+#endif
+}
+
+#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) */
+
+  while (1)
+  {}
+}
+
+#endif
+
+/**
+  * @}
+  */ 
+
+/**
+  * @}
+  */ 
+
+/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/