Frank 26080115 / LPC1700CMSIS_Examples

These are the examples provided for [[/users/frank26080115/libraries/LPC1700CMSIS_Lib/]] Note, the entire "program" is not compilable!

WDT/RESET/wdt_reset_test.c@0:bf7b9fba3924, 2011-03-20 (annotated)

Committer:
frank26080115
Date:
Sun Mar 20 05:38:56 2011 +0000
Revision:
0:bf7b9fba3924

        

        
Who changed what in which revision?

        

            
                
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/***********************************************************************//**





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 * @file		wdt_reset_test.c





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 * @purpose		This example describes how to use WDT in reset mode





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 * @version		2.0





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 * @date		21. May. 2010





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 * @author		NXP MCU SW Application Team





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 *---------------------------------------------------------------------





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 * Software that is described herein is for illustrative purposes only





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 * which provides customers with programming information regarding the





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 * products. This software is supplied "AS IS" without any warranties.





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 * NXP Semiconductors assumes no responsibility or liability for the





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 * use of the software, conveys no license or title under any patent,





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 * copyright, or mask work right to the product. NXP Semiconductors





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 * reserves the right to make changes in the software without





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 * notification. NXP Semiconductors also make no representation or





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 * warranty that such application will be suitable for the specified





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 * use without further testing or modification.





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 **********************************************************************/





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#include "lpc17xx_wdt.h"





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#include "lpc17xx_libcfg.h"





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#include "lpc17xx_pinsel.h"





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#include "debug_frmwrk.h"





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#include "lpc17xx_gpio.h"





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/* Example group ----------------------------------------------------------- */





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/** @defgroup WDT_RESET	RESET





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 * @ingroup WDT_Examples





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 * @{





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 */





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/************************** PRIVATE DEFINITIONS *************************/





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//#define MCB_LPC_1768





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#define IAR_LPC_1768





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//Watchodog time out in 5 seconds





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#define WDT_TIMEOUT 	5000000





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/************************** PRIVATE VARIABLES *************************/





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uint8_t menu1[] =





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"********************************************************************************\n\r"





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"This Welcome Screen below will executive after reset event \n\r"





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"Hello NXP Semiconductors \n\r"





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" Watch dog timer reset when timeout demo \n\r"





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"\t - MCU: LPC17xx \n\r"





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"\t - Core: Cortex M3 \n\r"





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"\t - Communicate via: UART0 - 115200 bps \n\r"





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" Use WDT with Internal RC OSC, reset mode, timeout = 5 seconds \n\r"





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" To reset MCU when time out. After reset, program will determine what cause of "





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" last reset time (external reset or WDT time-out)\n\r"





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"********************************************************************************\n\r";





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uint8_t info1[] = "Last MCU reset caused by WDT TimeOut!\n\r";





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uint8_t info2[] = "Last MCU reset caused by External!\n\r";





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/*-------------------------MAIN FUNCTION------------------------------*/





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/*********************************************************************//**





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 * @brief		c_entry: Main WDT program body





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 * @param[in]	None





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 * @return 		int





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 **********************************************************************/





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int c_entry(void)





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{





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	/* Initialize debug via UART0





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	 * – 115200bps





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	 * – 8 data bit





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	 * – No parity





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	 * – 1 stop bit





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	 * – No flow control





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	 */





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	debug_frmwrk_init();





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	// print welcome screen





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	_DBG(menu1);





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	// Read back TimeOut flag to determine previous timeout reset





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	if (WDT_ReadTimeOutFlag()){





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		_DBG_(info1);





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		// Clear WDT TimeOut





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		WDT_ClrTimeOutFlag();





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	} else{





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		_DBG_(info2);





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	}





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	// Initialize WDT, IRC OSC, interrupt mode, timeout = 5000000us = 5s





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	WDT_Init(WDT_CLKSRC_IRC, WDT_MODE_RESET);





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	// Start watchdog with timeout given





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	WDT_Start(WDT_TIMEOUT);





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	//infinite loop to wait chip reset from WDT





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	while(1);





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	return 0;





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}





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/* Support required entry point for other toolchain */





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int main (void)





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{





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	return c_entry();





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}





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#ifdef  DEBUG





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/*******************************************************************************





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* @brief		Reports the name of the source file and the source line number





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* 				where the CHECK_PARAM error has occurred.





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* @param[in]	file Pointer to the source file name





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* @param[in]    line assert_param error line source number





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* @return		None





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*******************************************************************************/





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void check_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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	/* Infinite loop */





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	while(1);





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}





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#endif





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/*





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 * @}





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 */