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