diff options
Diffstat (limited to 'src/stm32lib/examples/NVIC/VectorTable_Relocation/main.c')
| -rwxr-xr-x | src/stm32lib/examples/NVIC/VectorTable_Relocation/main.c | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/src/stm32lib/examples/NVIC/VectorTable_Relocation/main.c b/src/stm32lib/examples/NVIC/VectorTable_Relocation/main.c new file mode 100755 index 0000000..bc22e81 --- /dev/null +++ b/src/stm32lib/examples/NVIC/VectorTable_Relocation/main.c @@ -0,0 +1,216 @@ +/******************** (C) COPYRIGHT 2008 STMicroelectronics ********************
+* File Name : main.c
+* Author : MCD Application Team
+* Version : V2.0.1
+* Date : 06/13/2008
+* Description : Main program body.
+********************************************************************************
+* 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.
+*******************************************************************************/
+
+/* Includes ------------------------------------------------------------------*/
+#include "main.h"
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+GPIO_InitTypeDef GPIO_InitStructure;
+static vu32 TimingDelay;
+ErrorStatus HSEStartUpStatus;
+
+/* Private function prototypes -----------------------------------------------*/
+void RCC_Configuration(void);
+void NVIC_Configuration(void);
+void Delay(vu32 nTime);
+
+/* Private functions ---------------------------------------------------------*/
+
+/*******************************************************************************
+* Function Name : main
+* Description : Main program.
+* Input : None
+* Output : None
+* Return : None
+*******************************************************************************/
+int main(void)
+{
+#ifdef DEBUG
+ debug();
+#endif
+
+ /* System Clocks Configuration */
+ RCC_Configuration();
+
+ /* Configure GPIO_LED pin 6, pin 7, pin 8 and pin 9 as Output push-pull */
+ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6 | GPIO_Pin_7 | GPIO_Pin_8 | GPIO_Pin_9;
+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
+ GPIO_Init(GPIO_LED, &GPIO_InitStructure);
+
+ /* Turn on Leds connected to GPIO_LED pin 6 and pin 8 */
+ GPIO_Write(GPIO_LED, GPIO_Pin_6 | GPIO_Pin_8);
+
+ /* NVIC configuration */
+ NVIC_Configuration();
+
+ /* SysTick end of count event each 1ms with input clock equal to 9MHz (HCLK/8, default) */
+ SysTick_SetReload(9000);
+
+ /* Enable SysTick interrupt */
+ SysTick_ITConfig(ENABLE);
+
+ while (1)
+ {
+ /* Toggle leds connected to GPIO_LED pin 6, GPIO_LED pin 7, GPIO_LED pin 8
+ and GPIO_LED pin 9 pins */
+ GPIO_Write(GPIO_LED, (u16)~GPIO_ReadOutputData(GPIO_LED));
+
+ /* Insert 500 ms delay */
+ Delay(500);
+
+ /* Toggle leds connected to GPIO_LED pin 6, pin 7, pin 8 and pin 9 */
+ GPIO_Write(GPIO_LED, (u16)~GPIO_ReadOutputData(GPIO_LED));
+
+ /* Insert 300 ms delay */
+ Delay(300);
+ }
+}
+
+/*******************************************************************************
+* Function Name : RCC_Configuration
+* Description : Configures the different system clocks.
+* Input : None
+* Output : None
+* Return : None
+*******************************************************************************/
+void RCC_Configuration(void)
+{
+ /* RCC system reset(for debug purpose) */
+ RCC_DeInit();
+
+ /* Enable HSE */
+ RCC_HSEConfig(RCC_HSE_ON);
+
+ /* Wait till HSE is ready */
+ HSEStartUpStatus = RCC_WaitForHSEStartUp();
+
+ if(HSEStartUpStatus == SUCCESS)
+ {
+ /* Enable Prefetch Buffer */
+ FLASH_PrefetchBufferCmd(FLASH_PrefetchBuffer_Enable);
+
+ /* Flash 2 wait state */
+ FLASH_SetLatency(FLASH_Latency_2);
+
+ /* HCLK = SYSCLK */
+ RCC_HCLKConfig(RCC_SYSCLK_Div1);
+
+ /* PCLK2 = HCLK */
+ RCC_PCLK2Config(RCC_HCLK_Div1);
+
+ /* PCLK1 = HCLK/2 */
+ RCC_PCLK1Config(RCC_HCLK_Div2);
+
+ /* PLLCLK = 8MHz * 9 = 72 MHz */
+ RCC_PLLConfig(RCC_PLLSource_HSE_Div1, RCC_PLLMul_9);
+
+ /* Enable PLL */
+ RCC_PLLCmd(ENABLE);
+
+ /* Wait till PLL is ready */
+ while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET)
+ {
+ }
+
+ /* Select PLL as system clock source */
+ RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);
+
+ /* Wait till PLL is used as system clock source */
+ while(RCC_GetSYSCLKSource() != 0x08)
+ {
+ }
+ }
+
+ /* Enable GPIO_LED clock */
+ RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIO_LED, ENABLE);
+}
+
+/*******************************************************************************
+* Function Name : NVIC_Configuration
+* Description : Configures Vector Table base location.
+* Input : None
+* Output : None
+* Return : None
+*******************************************************************************/
+void NVIC_Configuration(void)
+{
+ /* Set the Vector Table base location at 0x08002000 */
+ NVIC_SetVectorTable(NVIC_VectTab_FLASH, 0x2000);
+}
+
+/*******************************************************************************
+* Function Name : Delay
+* Description : Inserts a delay time.
+* Input : nTime: specifies the delay time length, in milliseconds.
+* Output : None
+* Return : None
+*******************************************************************************/
+void Delay(u32 nTime)
+{
+ /* Enable the SysTick Counter */
+ SysTick_CounterCmd(SysTick_Counter_Enable);
+
+ TimingDelay = nTime;
+
+ while(TimingDelay != 0);
+
+ /* Disable SysTick Counter */
+ SysTick_CounterCmd(SysTick_Counter_Disable);
+ /* Clear SysTick Counter */
+ SysTick_CounterCmd(SysTick_Counter_Clear);
+}
+
+/*******************************************************************************
+* Function Name : TimingDelay_Decrement
+* Description : Decrements the TimingDelay variable.
+* Input : None
+* Output : TimingDelay
+* Return : None
+*******************************************************************************/
+void TimingDelay_Decrement(void)
+{
+ if (TimingDelay != 0x00)
+ {
+ TimingDelay--;
+ }
+}
+
+#ifdef DEBUG
+/*******************************************************************************
+* Function Name : assert_failed
+* Description : Reports the name of the source file and the source line number
+* where the assert_param error has occurred.
+* Input : - file: pointer to the source file name
+* - line: assert_param error line source number
+* Output : None
+* Return : None
+*******************************************************************************/
+void assert_failed(u8* file, u32 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 2008 STMicroelectronics *****END OF FILE****/
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