These are the examples provided for [[/users/frank26080115/libraries/LPC1700CMSIS_Lib/]] Note, the entire "program" is not compilable!
Diff: NVIC/VecTable_Relocation/vt_relocation.c
- Revision:
- 0:bf7b9fba3924
diff -r 000000000000 -r bf7b9fba3924 NVIC/VecTable_Relocation/vt_relocation.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/NVIC/VecTable_Relocation/vt_relocation.c Sun Mar 20 05:38:56 2011 +0000 @@ -0,0 +1,171 @@ +/***********************************************************************//** + * @file vt_relocation.c + * @purpose This example used to test NVIC Vector Table relocation + * function + * @version 1.0 + * @date 18. June. 2010 + * @author NXP MCU SW Application Team + *--------------------------------------------------------------------- + * Software that is described herein is for illustrative purposes only + * which provides customers with programming information regarding the + * products. This software is supplied "AS IS" without any warranties. + * NXP Semiconductors assumes no responsibility or liability for the + * use of the software, conveys no license or title under any patent, + * copyright, or mask work right to the product. NXP Semiconductors + * reserves the right to make changes in the software without + * notification. NXP Semiconductors also make no representation or + * warranty that such application will be suitable for the specified + * use without further testing or modification. + **********************************************************************/ +#include <stdio.h> + +#include "lpc17xx_libcfg.h" +#include "debug_frmwrk.h" +#include "lpc17xx_gpio.h" +#include "lpc17xx_nvic.h" +#include "lpc17xx_systick.h" + + +/* Example group ----------------------------------------------------------- */ +/** @defgroup NVIC_VecTable_Relocation VecTable_Relocation + * @ingroup NVIC_Examples + * @{ + */ + +/************************** PRIVATE DEFINITIONS ***********************/ +/* Vector Table Offset */ +#define VTOR_OFFSET 0x20080000 + +/************************** PRIVATE VARIABLES *************************/ +uint8_t menu[]= + "********************************************************************************\n\r" + "Hello NXP Semiconductors \n\r" + "Privileged demo \n\r" + "\t - MCU: LPC17xx \n\r" + "\t - Core: ARM CORTEX-M3 \n\r" + "\t - Communicate via: UART0 - 115200 bps \n\r" + "This example used to test NVIC Vector Table Relocation function\n\r" + "********************************************************************************\n\r"; +FunctionalState Cur_State = DISABLE; + +/************************** PRIVATE FUNCTIONS *************************/ + +void SysTick_Handler(void); +void print_menu(void); + +/*----------------- INTERRUPT SERVICE ROUTINES --------------------------*/ +/*********************************************************************//** + * @brief SysTick interrupt handler + * @param None + * @return None + ***********************************************************************/ +void SysTick_Handler(void) +{ + //Clear System Tick counter flag + SYSTICK_ClearCounterFlag(); + //toggle P0.0 + if (Cur_State == ENABLE) + { + //pull-down pin + GPIO_ClearValue(1, (1<<28)); + Cur_State = DISABLE; + } + else + { + GPIO_SetValue(1, (1<<28)); + Cur_State = ENABLE; + } +} +/*-------------------------PRIVATE FUNCTIONS------------------------------*/ +/*********************************************************************//** + * @brief Print Welcome menu + * @param[in] none + * @return None + **********************************************************************/ +void print_menu(void) +{ + _DBG(menu); +} + + +/*-------------------------MAIN FUNCTION------------------------------*/ +/*********************************************************************//** + * @brief c_entry: Main program body + * @param[in] None + * @return int + **********************************************************************/ +int c_entry (void) +{ + /* Initialize debug via UART0 + * 115200bps + * 8 data bit + * No parity + * 1 stop bit + * No flow control + */ + debug_frmwrk_init(); + + // print welcome screen + print_menu(); + + //Use P0.0 to test System Tick interrupt + GPIO_SetDir(1, (1<<28), 1); //Set P0.0 as output + + _DBG("Remapping Vector Table at address: "); + _DBH32(VTOR_OFFSET); _DBG_(""); + NVIC_SetVTOR(VTOR_OFFSET); + + /* Copy Vector Table from 0x00000000 to new address + * In ROM mode: Vector Interrupt Table is initialized at 0x00000000 + * In RAM mode: Vector Interrupt Table is initialized at 0x10000000 + * Aligned: 256 words + */ + +#if(__RAM_MODE__==0)//Run in ROM mode + memcpy(VTOR_OFFSET, 0x00000000, 256*4); +#else + memcpy(VTOR_OFFSET, 0x10000000, 256*4); +#endif + + _DBG_("If Vector Table remapping is successful, LED P1.28 will blink by using SysTick interrupt"); + //Initialize System Tick with 100ms time interval + SYSTICK_InternalInit(100); + //Enable System Tick interrupt + SYSTICK_IntCmd(ENABLE); + //Enable System Tick Counter + SYSTICK_Cmd(ENABLE); + + while(1); + return 1; +} + +/* With ARM and GHS toolsets, the entry point is main() - this will + allow the linker to generate wrapper code to setup stacks, allocate + heap area, and initialize and copy code and data segments. For GNU + toolsets, the entry point is through __start() in the crt0_gnu.asm + file, and that startup code will setup stacks and data */ +int main(void) { + return c_entry(); +} + +#ifdef DEBUG +/******************************************************************************* + * @brief Reports the name of the source file and the source line number + * where the CHECK_PARAM error has occurred. + * @param[in] file Pointer to the source file name + * @param[in] line assert_param error line source number + * @return None + *******************************************************************************/ +void check_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 + +/* + * @} + */