/****************************************************************************//** * @file : startup_LPC17xx.c * @brief : CMSIS Cortex-M3 Core Device Startup File * @version : V1.01 * @date : 4. Feb. 2009 * *---------------------------------------------------------------------------- * * Copyright (C) 2009 ARM Limited. All rights reserved. * * ARM Limited (ARM) is supplying this software for use with Cortex-Mx * processor based microcontrollers. This file can be freely distributed * within development tools that are supporting such ARM based processors. * * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER. * ******************************************************************************/ // Mod by nio for the .fastcode part #include "LPC17xx.h" #define WEAK __attribute__ ((weak)) //***************************************************************************** // // Forward declaration of the default fault handlers. // //***************************************************************************** /* System exception vector handler */ void WEAK Reset_Handler(void); /* Reset Handler */ void WEAK NMI_Handler(void); /* NMI Handler */ void WEAK HardFault_Handler(void); /* Hard Fault Handler */ void WEAK MemManage_Handler(void); /* MPU Fault Handler */ void WEAK BusFault_Handler(void); /* Bus Fault Handler */ void WEAK UsageFault_Handler(void); /* Usage Fault Handler */ void WEAK SVC_Handler(void); /* SVCall Handler */ void WEAK DebugMon_Handler(void); /* Debug Monitor Handler */ void WEAK PendSV_Handler(void); /* PendSV Handler */ void WEAK SysTick_Handler(void); /* SysTick Handler */ /* External interrupt vector handler */ void WEAK WDT_IRQHandler(void); /* Watchdog Timer */ void WEAK TIMER0_IRQHandler(void); /* Timer0 */ void WEAK TIMER1_IRQHandler(void); /* Timer1 */ void WEAK TIMER2_IRQHandler(void); /* Timer2 */ void WEAK TIMER3_IRQHandler(void); /* Timer3 */ void WEAK UART0_IRQHandler(void); /* UART0 */ void WEAK UART1_IRQHandler(void); /* UART1 */ void WEAK UART2_IRQHandler(void); /* UART2 */ void WEAK UART3_IRQHandler(void); /* UART3 */ void WEAK PWM1_IRQHandler(void); /* PWM1 */ void WEAK I2C0_IRQHandler(void); /* I2C0 */ void WEAK I2C1_IRQHandler(void); /* I2C1 */ void WEAK I2C2_IRQHandler(void); /* I2C2 */ void WEAK SPI_IRQHandler(void); /* SPI */ void WEAK SSP0_IRQHandler(void); /* SSP0 */ void WEAK SSP1_IRQHandler(void); /* SSP1 */ void WEAK PLL0_IRQHandler(void); /* PLL0 (Main PLL) */ void WEAK RTC_IRQHandler(void); /* Real Time Clock */ void WEAK EINT0_IRQHandler(void); /* External Interrupt 0 */ void WEAK EINT1_IRQHandler(void); /* External Interrupt 1 */ void WEAK EINT2_IRQHandler(void); /* External Interrupt 2 */ void WEAK EINT3_IRQHandler(void); /* External Interrupt 3 */ void WEAK ADC_IRQHandler(void); /* A/D Converter */ void WEAK BOD_IRQHandler(void); /* Brown Out Detect */ void WEAK USB_IRQHandler(void); /* USB */ void WEAK CAN_IRQHandler(void); /* CAN */ void WEAK DMA_IRQHandler(void); /* GP DMA */ void WEAK I2S_IRQHandler(void); /* I2S */ void WEAK ENET_IRQHandler(void); /* Ethernet */ void WEAK RIT_IRQHandler(void); /* Repetitive Interrupt Timer */ void WEAK MCPWM_IRQHandler(void); /* Motor Control PWM */ void WEAK QEI_IRQHandler(void); /* Quadrature Encoder Interface */ void WEAK PLL1_IRQHandler(void); /* PLL1 (USB PLL) */ /* Exported types --------------------------------------------------------------*/ /* Exported constants --------------------------------------------------------*/ extern unsigned long _etext; extern unsigned long _sidata; /* start address for the initialization values of the .data section. defined in linker script */ extern unsigned long _sdata; /* start address for the .data section. defined in linker script */ extern unsigned long _edata; /* end address for the .data section. defined in linker script */ extern unsigned long _sifastcode; /* start address for the initialization values of the .fastcode section. defined in linker script */ extern unsigned long _sfastcode; /* start address for the .fastcode section. defined in linker script */ extern unsigned long _efastcode; /* end address for the .fastcode section. defined in linker script */ extern unsigned long _sbss; /* start address for the .bss section. defined in linker script */ extern unsigned long _ebss; /* end address for the .bss section. defined in linker script */ extern void _estack; /* init value for the stack pointer. defined in linker script */ /* Private typedef -----------------------------------------------------------*/ /* function prototypes ------------------------------------------------------*/ void Reset_Handler(void) __attribute__((__interrupt__)); extern int main(void); /****************************************************************************** * * The minimal vector table for a Cortex M3. Note that the proper constructs * must be placed on this to ensure that it ends up at physical address * 0x0000.0000. * ******************************************************************************/ #define STACK_SIZE 0x00000200 __attribute__ ((section(".stackarea"))) /* static */ unsigned long pulStack[STACK_SIZE]; __attribute__ ((section(".isr_vector"))) void (* const g_pfnVectors[])(void) = { /* &_estack, // The initial stack pointer */ (void (*)(void))((unsigned long)pulStack + sizeof(pulStack)), // The initial stack pointer Reset_Handler, /* Reset Handler */ NMI_Handler, /* NMI Handler */ HardFault_Handler, /* Hard Fault Handler */ MemManage_Handler, /* MPU Fault Handler */ BusFault_Handler, /* Bus Fault Handler */ UsageFault_Handler, /* Usage Fault Handler */ 0, /* Reserved */ 0, /* Reserved */ 0, /* Reserved */ 0, /* Reserved */ SVC_Handler, /* SVCall Handler */ DebugMon_Handler, /* Debug Monitor Handler */ 0, /* Reserved */ PendSV_Handler, /* PendSV Handler */ SysTick_Handler, /* SysTick Handler */ // External Interrupts WDT_IRQHandler, /* Watchdog Timer */ TIMER0_IRQHandler, /* Timer0 */ TIMER1_IRQHandler, /* Timer1 */ TIMER2_IRQHandler, /* Timer2 */ TIMER3_IRQHandler, /* Timer3 */ UART0_IRQHandler, /* UART0 */ UART1_IRQHandler, /* UART1 */ UART2_IRQHandler, /* UART2 */ UART3_IRQHandler, /* UART3 */ PWM1_IRQHandler, /* PWM1 */ I2C0_IRQHandler, /* I2C0 */ I2C1_IRQHandler, /* I2C1 */ I2C2_IRQHandler, /* I2C2 */ SPI_IRQHandler, /* SPI */ SSP0_IRQHandler, /* SSP0 */ SSP1_IRQHandler, /* SSP1 */ PLL0_IRQHandler, /* PLL0 (Main PLL) */ RTC_IRQHandler, /* Real Time Clock */ EINT0_IRQHandler, /* External Interrupt 0 */ EINT1_IRQHandler, /* External Interrupt 1 */ EINT2_IRQHandler, /* External Interrupt 2 */ EINT3_IRQHandler, /* External Interrupt 3 */ ADC_IRQHandler, /* A/D Converter */ BOD_IRQHandler, /* Brown Out Detect */ USB_IRQHandler, /* USB */ CAN_IRQHandler, /* CAN */ DMA_IRQHandler, /* GP DMA */ I2S_IRQHandler, /* I2S */ ENET_IRQHandler, /* Ethernet */ RIT_IRQHandler, /* Repetitive Interrupt Timer */ MCPWM_IRQHandler, /* Motor Control PWM */ QEI_IRQHandler, /* Quadrature Encoder Interface */ PLL1_IRQHandler, /* PLL1 (USB PLL) */ }; /******************************************************************************* * Function Name : Reset_Handler * Description : This is the code that gets called when the processor first starts execution * following a reset event. Only the absolutely necessary set is performed, * after which the application supplied main() routine is called. * Input : * Output : * Return : *******************************************************************************/ void Reset_Handler(void) { SystemInit(); unsigned long *pulDest; unsigned long *pulSrc; // // Copy the data segment initializers from flash to SRAM in ROM mode // if (&_sidata != &_sdata) { // only if needed pulSrc = &_sidata; for(pulDest = &_sdata; pulDest < &_edata; ) { *(pulDest++) = *(pulSrc++); } } // Copy the .fastcode code from ROM to SRAM if (&_sifastcode != &_sfastcode) { // only if needed pulSrc = &_sifastcode; for(pulDest = &_sfastcode; pulDest < &_efastcode; ) { *(pulDest++) = *(pulSrc++); } } // // Zero fill the bss segment. // for(pulDest = &_sbss; pulDest < &_ebss; ) { *(pulDest++) = 0; } // // Call the application's entry point. // main(); } //***************************************************************************** // // Provide weak aliases for each Exception handler to the Default_Handler. // As they are weak aliases, any function with the same name will override // this definition. // //***************************************************************************** #pragma weak MemManage_Handler = Default_Handler /* MPU Fault Handler */ #pragma weak BusFault_Handler = Default_Handler /* Bus Fault Handler */ #pragma weak UsageFault_Handler = Default_Handler /* Usage Fault Handler */ #pragma weak SVC_Handler = Default_Handler /* SVCall Handler */ #pragma weak DebugMon_Handler = Default_Handler /* Debug Monitor Handler */ #pragma weak PendSV_Handler = Default_Handler /* PendSV Handler */ #pragma weak SysTick_Handler = Default_Handler /* SysTick Handler */ /* External interrupt vector handler */ #pragma weak WDT_IRQHandler = Default_Handler /* Watchdog Timer */ #pragma weak TIMER0_IRQHandler = Default_Handler /* Timer0 */ #pragma weak TIMER1_IRQHandler = Default_Handler /* Timer1 */ #pragma weak TIMER2_IRQHandler = Default_Handler /* Timer2 */ #pragma weak TIMER3_IRQHandler = Default_Handler /* Timer3 */ #pragma weak UART0_IRQHandler = Default_Handler /* UART0 */ #pragma weak UART1_IRQHandler = Default_Handler /* UART1 */ #pragma weak UART2_IRQHandler = Default_Handler /* UART2 */ #pragma weak UART3_IRQHandler = Default_Handler /* UART3 */ #pragma weak PWM1_IRQHandler = Default_Handler /* PWM1 */ #pragma weak I2C0_IRQHandler = Default_Handler /* I2C0 */ #pragma weak I2C1_IRQHandler = Default_Handler /* I2C1 */ #pragma weak I2C2_IRQHandler = Default_Handler /* I2C2 */ #pragma weak SPI_IRQHandler = Default_Handler /* SPI */ #pragma weak SSP0_IRQHandler = Default_Handler /* SSP0 */ #pragma weak SSP1_IRQHandler = Default_Handler /* SSP1 */ #pragma weak PLL0_IRQHandler = Default_Handler /* PLL0 (Main PLL) */ #pragma weak RTC_IRQHandler = Default_Handler /* Real Time Clock */ #pragma weak EINT0_IRQHandler = Default_Handler /* External Interrupt 0 */ #pragma weak EINT1_IRQHandler = Default_Handler /* External Interrupt 1 */ #pragma weak EINT2_IRQHandler = Default_Handler /* External Interrupt 2 */ #pragma weak EINT3_IRQHandler = Default_Handler /* External Interrupt 3 */ #pragma weak ADC_IRQHandler = Default_Handler /* A/D Converter */ #pragma weak BOD_IRQHandler = Default_Handler /* Brown Out Detect */ #pragma weak USB_IRQHandler = Default_Handler /* USB */ #pragma weak CAN_IRQHandler = Default_Handler /* CAN */ #pragma weak DMA_IRQHandler = Default_Handler /* GP DMA */ #pragma weak I2S_IRQHandler = Default_Handler /* I2S */ #pragma weak ENET_IRQHandler = Default_Handler /* Ethernet */ #pragma weak RIT_IRQHandler = Default_Handler /* Repetitive Interrupt Timer */ #pragma weak MCPWM_IRQHandler = Default_Handler /* Motor Control PWM */ #pragma weak QEI_IRQHandler = Default_Handler /* Quadrature Encoder Interface */ #pragma weak PLL1_IRQHandler = Default_Handler /* PLL1 (USB PLL) */ //***************************************************************************** // // This is the code that gets called when the processor receives an unexpected // interrupt. This simply enters an infinite loop, preserving the system state // for examination by a debugger. // //***************************************************************************** void Default_Handler(void) { // Go into an infinite loop. // while (1) { } }