1 files changed, 172 insertions, 0 deletions
diff --git a/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/NVIC/IRQ_Priority/main.c b/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/NVIC/IRQ_Priority/main.c
new file mode 100644
index 0000000..33b3007
--- /dev/null
+++ b/tmp/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/NVIC/IRQ_Priority/main.c
@@ -0,0 +1,172 @@
+/**
+  ******************************************************************************
+  * @file    NVIC/IRQ_Priority/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_Priority
+  * @{
+  */ 
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+__IO uint8_t PreemptionOccured = 0; 
+__IO uint8_t PreemptionPriorityValue = 0; 
+
+/* Private function prototypes -----------------------------------------------*/
+void NVIC_Config(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
+     */     
+       
+  /* NVIC configuration ------------------------------------------------------*/
+  NVIC_Config();     
+  
+  /* Initialize LED1..LED4, Key and Sel Joystick Buttons mounted on STM3210X-EVAL 
+     board */       
+  STM_EVAL_LEDInit(LED1);
+  STM_EVAL_LEDInit(LED2);
+  STM_EVAL_LEDInit(LED3);
+  STM_EVAL_LEDInit(LED4);
+  STM_EVAL_PBInit(BUTTON_KEY, BUTTON_MODE_EXTI);
+  STM_EVAL_PBInit(BUTTON_WAKEUP, BUTTON_MODE_EXTI); 
+
+  /* Configure the SysTick Handler Priority: Preemption priority and subpriority */
+  NVIC_SetPriority(SysTick_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(), !PreemptionPriorityValue, 0));
+
+  while (1)
+  {
+    if(PreemptionOccured != 0)
+    {
+      /* Toggel The lED1 */
+      STM_EVAL_LEDToggle(LED1);
+      
+      /* Insert delay Time */
+      Delay(0x5FFFF);
+      
+      STM_EVAL_LEDToggle(LED2);
+      
+      Delay(0x5FFFF);
+      
+      STM_EVAL_LEDToggle(LED3);
+      
+      Delay(0x5FFFF);
+      
+      STM_EVAL_LEDToggle(LED4);
+      
+      Delay(0x5FFFF); 
+    }
+  }
+}
+
+/**
+  * @brief  Configures the NVIC interrupts.
+  * @param  None
+  * @retval None
+  */
+void NVIC_Config(void)
+{
+  NVIC_InitTypeDef NVIC_InitStructure;
+
+  /* Configure the preemption priority and subpriority:
+     - 1 bits for pre-emption priority: possible value are 0 or 1 
+     - 3 bits for subpriority: possible value are 0..7
+     - Lower values gives higher priority  
+   */
+  NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
+  
+  /* Enable the WAKEUP_BUTTON_EXTI_IRQn Interrupt */
+  NVIC_InitStructure.NVIC_IRQChannel = WAKEUP_BUTTON_EXTI_IRQn;
+  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = PreemptionPriorityValue;
+  NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
+  NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
+  NVIC_Init(&NVIC_InitStructure);
+  
+  /* Enable the KEY_BUTTON_EXTI_IRQn Interrupt */
+  NVIC_InitStructure.NVIC_IRQChannel = KEY_BUTTON_EXTI_IRQn;
+  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
+  NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
+  NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
+  NVIC_Init(&NVIC_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****/