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OP-21/Bootloader Small change. Now turns off interrupts before jumping to code.
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@1393 ebee16cc-31ac-478f-84a7-5cbb03baadba
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zedamota
zedamota
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@ -1,17 +1,17 @@
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/******************** (C) COPYRIGHT 2010 STMicroelectronics ********************
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* File Name : main.c
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* Author : MCD Application Team
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* Version : V3.2.1
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* Date : 07/05/2010
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* Description : Custom HID demo main file
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********************************************************************************
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* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
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* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
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* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
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* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
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* CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
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* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
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*******************************************************************************/
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* File Name : main.c
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* Author : MCD Application Team
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* Version : V3.2.1
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* Date : 07/05/2010
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* Description : Custom HID demo main file
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********************************************************************************
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* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
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* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
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* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
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* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
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* CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
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* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
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*******************************************************************************/
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/* Includes ------------------------------------------------------------------*/
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#include "stm32f10x.h"
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@ -23,7 +23,7 @@
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extern void FLASH_Download();
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/* Private typedef -----------------------------------------------------------*/
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typedef void (*pFunction)(void);
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typedef void (*pFunction)(void);
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/* Private define ------------------------------------------------------------*/
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/* Private macro -------------------------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
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@ -31,110 +31,101 @@ pFunction Jump_To_Application;
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uint32_t JumpAddress;
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/* Extern variables ----------------------------------------------------------*/
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uint8_t DeviceState;
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uint8_t JumpToApp=0;
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uint8_t JumpToApp = 0;
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/* Private function prototypes -----------------------------------------------*/
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void Delay(__IO uint32_t nCount);
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void DelayWithDown(__IO uint32_t nCount);
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/* Private functions ---------------------------------------------------------*/
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/*******************************************************************************
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* Function Name : main.
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* Description : main routine.
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* Input : None.
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* Output : None.
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* Return : None.
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*******************************************************************************/
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int main(void)
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{
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if (((*(__IO uint32_t*)StartOfUserCode) & 0x2FFE0000 ) == 0x20000000)
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{ /* Jump to user application */
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* Function Name : main.
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* Description : main routine.
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* Input : None.
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* Output : None.
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* Return : None.
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*******************************************************************************/
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int main(void) {
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JumpAddress = *(__IO uint32_t*) (StartOfUserCode + 4);
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Jump_To_Application = (pFunction) JumpAddress;
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/* Initialize user application's Stack Pointer */
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__set_MSP(*(__IO uint32_t*) StartOfUserCode);
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Jump_To_Application();
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}
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Set_System();
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Set_System();
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USB_Interrupts_Config();
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USB_Interrupts_Config();
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Set_USBClock();
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Set_USBClock();
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USB_Init();
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USB_Init();
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DeviceState=idle;
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while (JumpToApp==0)
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{
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DeviceState = idle;
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while (JumpToApp == 0) {
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STM_EVAL_LEDToggle(LED1);
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DelayWithDown(10);//1000000);
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}
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if (((*(__IO uint32_t*) StartOfUserCode) & 0x2FFE0000) == 0x20000000) { /* Jump to user application */
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FLASH_Lock();
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RCC_APB2PeriphResetCmd(0xffffffff, ENABLE);
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RCC_APB1PeriphResetCmd(0xffffffff, ENABLE);
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RCC_APB2PeriphResetCmd(0xffffffff, DISABLE);
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RCC_APB1PeriphResetCmd(0xffffffff, DISABLE);
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_SetCNTR(0); // clear interrupt mask
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_SetISTR(0); // clear all requests
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STM_EVAL_LEDToggle(LED1);
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DelayWithDown(10);//1000000);
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}
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if (((*(__IO uint32_t*)StartOfUserCode) & 0x2FFE0000 ) == 0x20000000)
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{ /* Jump to user application */
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JumpAddress = *(__IO uint32_t*) (StartOfUserCode + 4);
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Jump_To_Application = (pFunction) JumpAddress;
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/* Initialize user application's Stack Pointer */
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__set_MSP(*(__IO uint32_t*) StartOfUserCode);
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Jump_To_Application();
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}
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while(1)
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{
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STM_EVAL_LEDToggle(LED1);
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STM_EVAL_LEDToggle(LED2);
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Delay(1000000);
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}
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JumpAddress = *(__IO uint32_t*) (StartOfUserCode + 4);
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Jump_To_Application = (pFunction) JumpAddress;
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/* Initialize user application's Stack Pointer */
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__set_MSP(*(__IO uint32_t*) StartOfUserCode);
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Jump_To_Application();
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}
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while (1) {
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STM_EVAL_LEDToggle(LED1);
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STM_EVAL_LEDToggle(LED2);
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Delay(1000000);
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}
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}
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/*******************************************************************************
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* Function Name : Delay
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* Description : Inserts a delay time.
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* Input : nCount: specifies the delay time length.
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* Output : None
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* Return : None
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*******************************************************************************/
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void Delay(__IO uint32_t nCount)
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{
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for(; nCount!= 0;nCount--)
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{
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* Function Name : Delay
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* Description : Inserts a delay time.
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* Input : nCount: specifies the delay time length.
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* Output : None
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* Return : None
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*******************************************************************************/
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void Delay(__IO uint32_t nCount) {
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for (; nCount != 0; nCount--) {
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}
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}
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}
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/*******************************************************************************
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* Function Name : Delay
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* Description : Inserts a delay time.
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* Input : nCount: specifies the delay time length.
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* Output : None
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* Return : None
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*******************************************************************************/
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void DelayWithDown(__IO uint32_t nCount)
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{
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for(; nCount!= 0;nCount--)
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{
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for(__IO uint32_t delay=DownloadDelay ; delay!=0 ; delay--){}
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FLASH_Download();
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}
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* Function Name : Delay
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* Description : Inserts a delay time.
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* Input : nCount: specifies the delay time length.
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* Output : None
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* Return : None
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*******************************************************************************/
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void DelayWithDown(__IO uint32_t nCount) {
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for (; nCount != 0; nCount--) {
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for (__IO uint32_t delay = DownloadDelay; delay != 0; delay--) {
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}
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FLASH_Download();
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}
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}
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#ifdef USE_FULL_ASSERT
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/*******************************************************************************
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* Function Name : assert_failed
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* Description : Reports the name of the source file and the source line number
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* where the assert_param error has occurred.
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* Input : - file: pointer to the source file name
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* - line: assert_param error line source number
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* Output : None
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* Return : None
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*******************************************************************************/
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* Function Name : assert_failed
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* Description : Reports the name of the source file and the source line number
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* where the assert_param error has occurred.
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* Input : - file: pointer to the source file name
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* - line: assert_param error line source number
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* Output : None
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* Return : None
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*******************************************************************************/
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void assert_failed(uint8_t* file, uint32_t line)
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{
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/* User can add his own implementation to report the file name and line number,
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ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
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{
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/* User can add his own implementation to report the file name and line number,
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ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
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/* Infinite loop */
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while(1)
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{
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}
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/* Infinite loop */
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while(1)
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{
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}
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}
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#endif
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