--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libs/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/NVIC/IRQ_Mask/main.c	Mon Oct 03 21:19:15 2011 +1030
@@ -0,0 +1,219 @@
+/**
+  ******************************************************************************
+  * @file    NVIC/IRQ_Mask/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"
+#include "stm32_eval.h"
+
+/** @addtogroup STM32F10x_StdPeriph_Examples
+  * @{
+  */
+
+/** @addtogroup IRQ_Mask
+  * @{
+  */ 
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+void TIM_Config(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
+     */
+
+  /* Initialize Leds mounted on STM3210X-EVAL board */
+  STM_EVAL_LEDInit(LED1);
+  STM_EVAL_LEDInit(LED2);
+  STM_EVAL_LEDInit(LED3);
+  STM_EVAL_LEDInit(LED4);
+
+  /* Initialize the KEY and WAKEUP buttons mounted on STM3210X-EVAL board */
+  STM_EVAL_PBInit(BUTTON_KEY, BUTTON_MODE_GPIO);
+  STM_EVAL_PBInit(BUTTON_WAKEUP, BUTTON_MODE_EXTI);
+    
+  /* TIM configuration -------------------------------------------------------*/
+  TIM_Config();
+
+  while (1)
+  { 
+    /* Wait until KEY button is pressed. */
+    while(STM_EVAL_PBGetState(BUTTON_KEY) == RESET)
+    {
+    }
+    while(STM_EVAL_PBGetState(BUTTON_KEY) != RESET)
+    {
+    }
+
+    /* This instruction raises the execution priority to 0. This prevents all 
+       exceptions with configurable priority from activating, other than through 
+       the HardFault fault escalation mechanism. */
+    __disable_irq();
+
+    /* Turn LED4 ON */
+    STM_EVAL_LEDOn(LED4);
+
+    /* Wait until KEY button is pressed. */
+    while(STM_EVAL_PBGetState(BUTTON_KEY) == RESET)
+    {
+    }
+    while(STM_EVAL_PBGetState(BUTTON_KEY) != RESET)
+    {
+    }
+
+    /* This instruction will allow all exceptions with configurable priority to 
+       be activated. */
+    __enable_irq();
+
+    /* Turn LED4 OFF */
+    STM_EVAL_LEDOff(LED4);
+  }
+}
+
+/**
+  * @brief  Configures the used Timers.
+  * @param  None
+  * @retval None
+  */
+void TIM_Config(void)
+{ 
+  TIM_TimeBaseInitTypeDef  TIM_TimeBaseStructure;
+  TIM_OCInitTypeDef  TIM_OCInitStructure;
+  NVIC_InitTypeDef  NVIC_InitStructure;
+
+  /* Enable TIM2, TIM3 and TIM4 clocks */
+  RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2 | RCC_APB1Periph_TIM3 |
+                         RCC_APB1Periph_TIM4, ENABLE);
+
+  /* TIM2 configuration */
+  TIM_TimeBaseStructure.TIM_Period = 0x4AF;          
+  TIM_TimeBaseStructure.TIM_Prescaler = ((SystemCoreClock/1200) - 1);
+  TIM_TimeBaseStructure.TIM_ClockDivision = 0x0;    
+  TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;  
+  TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure);
+  TIM_OCStructInit(&TIM_OCInitStructure);
+  
+  /* Output Compare Timing Mode configuration: Channel1 */
+  TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_Timing;
+  TIM_OCInitStructure.TIM_Pulse = 0x0;  
+  TIM_OC1Init(TIM2, &TIM_OCInitStructure);
+  
+  /* TIM3 configuration */
+  TIM_TimeBaseStructure.TIM_Period = 0x95F;    
+  TIM_TimeBaseInit(TIM3, &TIM_TimeBaseStructure);
+  
+  /* Output Compare Timing Mode configuration: Channel1 */
+  TIM_OC1Init(TIM3, &TIM_OCInitStructure);
+  
+  /* TIM4 configuration */
+  TIM_TimeBaseStructure.TIM_Period = 0xE0F;  
+  TIM_TimeBaseInit(TIM4, &TIM_TimeBaseStructure);
+  
+  /* Output Compare Timing Mode configuration: Channel1 */
+  TIM_OC1Init(TIM4, &TIM_OCInitStructure);
+
+  /* Immediate load of TIM2,TIM3 and TIM4 Precaler values */
+  TIM_PrescalerConfig(TIM2, ((SystemCoreClock/1200) - 1), TIM_PSCReloadMode_Immediate);
+  TIM_PrescalerConfig(TIM3, ((SystemCoreClock/1200) - 1), TIM_PSCReloadMode_Immediate);
+  TIM_PrescalerConfig(TIM4, ((SystemCoreClock/1200) - 1), TIM_PSCReloadMode_Immediate);
+
+  /* Clear TIM2, TIM3 and TIM4 update pending flags */
+  TIM_ClearFlag(TIM2, TIM_FLAG_Update);
+  TIM_ClearFlag(TIM3, TIM_FLAG_Update);
+  TIM_ClearFlag(TIM4, TIM_FLAG_Update);
+
+  /* Configure two bits for preemption priority */
+  NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);
+
+  /* Enable the TIM2 Interrupt */
+  NVIC_InitStructure.NVIC_IRQChannel = TIM2_IRQn;
+  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
+  NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
+  NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
+  NVIC_Init(&NVIC_InitStructure);
+  
+  /* Enable the TIM3 Interrupt */
+  NVIC_InitStructure.NVIC_IRQChannel = TIM3_IRQn;
+  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
+  NVIC_Init(&NVIC_InitStructure);
+
+  /* Enable the TIM4 Interrupt */
+  NVIC_InitStructure.NVIC_IRQChannel = TIM4_IRQn;
+  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2;
+  NVIC_Init(&NVIC_InitStructure);
+
+  /* Enable TIM2, TIM3 and TIM4 Update interrupts */
+  TIM_ITConfig(TIM2, TIM_IT_Update, ENABLE);
+  TIM_ITConfig(TIM3, TIM_IT_Update, ENABLE);
+  TIM_ITConfig(TIM4, TIM_IT_Update, ENABLE);
+
+  /* TIM2, TIM3 and TIM4 enable counters */
+  TIM_Cmd(TIM2, ENABLE);
+  TIM_Cmd(TIM3, ENABLE);
+  TIM_Cmd(TIM4, ENABLE);
+}
+
+
+#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****/