crashtest-r0ket/openbeacon/lpc13xx/core/startup/LPC13xx.c

369 lines
13 KiB
C

//*****************************************************************************
// +--+
// | ++----+
// +-++ |
// | |
// +-+--+ |
// | +--+--+
// +----+ Copyright (c) 2009 Code Red Technologies Ltd.
//
// Microcontroller Startup code for use with Red Suite
//
// Software License Agreement
//
// The software is owned by Code Red Technologies and/or its suppliers, and is
// protected under applicable copyright laws. All rights are reserved. Any
// use in violation of the foregoing restrictions may subject the user to criminal
// sanctions under applicable laws, as well as to civil liability for the breach
// of the terms and conditions of this license.
//
// 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.
// USE OF THIS SOFTWARE FOR COMMERCIAL DEVELOPMENT AND/OR EDUCATION IS SUBJECT
// TO A CURRENT END USER LICENSE AGREEMENT (COMMERCIAL OR EDUCATIONAL) WITH
// CODE RED TECHNOLOGIES LTD.
//
//*****************************************************************************
#define WEAK __attribute__ ((weak))
#define ALIAS(f) __attribute__ ((weak, alias (#f)))
// Code Red - if CMSIS is being used, then SystemInit() routine
// will be called by startup code rather than in application's main()
#ifdef __USE_CMSIS
#include "system_LPC13xx.h"
#endif
//*****************************************************************************
//
// Forward declaration of the default handlers. These are aliased.
// When the application defines a handler (with the same name), this will
// automatically take precedence over these weak definitions
//
//*****************************************************************************
void Reset_Handler(void);
void ResetISR(void) ALIAS(Reset_Handler);
WEAK void NMI_Handler(void);
WEAK void HardFault_Handler(void);
WEAK void MemManage_Handler(void);
WEAK void BusFault_Handler(void);
WEAK void UsageFault_Handler(void);
WEAK void SVCall_Handler(void);
WEAK void DebugMon_Handler(void);
WEAK void PendSV_Handler(void);
WEAK void SysTick_Handler(void);
//*****************************************************************************
//
// Forward declaration of the specific IRQ handlers. These are aliased
// to the IntDefaultHandler, which is a 'forever' loop. When the application
// defines a handler (with the same name), this will automatically take
// precedence over these weak definitions
//
//*****************************************************************************
void I2C_IRQHandler(void) ALIAS(IntDefaultHandler);
void TIMER16_0_IRQHandler(void) ALIAS(IntDefaultHandler);
void TIMER16_1_IRQHandler(void) ALIAS(IntDefaultHandler);
void TIMER32_0_IRQHandler(void) ALIAS(IntDefaultHandler);
void TIMER32_1_IRQHandler(void) ALIAS(IntDefaultHandler);
void SSP_IRQHandler(void) ALIAS(IntDefaultHandler);
void UART_IRQHandler(void) ALIAS(IntDefaultHandler);
void USB_IRQHandler(void) ALIAS(IntDefaultHandler);
void USB_FIQHandler(void) ALIAS(IntDefaultHandler);
void ADC_IRQHandler(void) ALIAS(IntDefaultHandler);
void WDT_IRQHandler(void) ALIAS(IntDefaultHandler);
void BOD_IRQHandler(void) ALIAS(IntDefaultHandler);
void FMC_IRQHandler(void) ALIAS(IntDefaultHandler);
void PIOINT3_IRQHandler(void) ALIAS(IntDefaultHandler);
void PIOINT2_IRQHandler(void) ALIAS(IntDefaultHandler);
void PIOINT1_IRQHandler(void) ALIAS(IntDefaultHandler);
void PIOINT0_IRQHandler(void) ALIAS(IntDefaultHandler);
void WAKEUP_IRQHandlerPIO0_0 (void) ALIAS(IntDefaultHandler);
void WAKEUP_IRQHandlerPIO0_1 (void) ALIAS(IntDefaultHandler);
void WAKEUP_IRQHandlerPIO0_2 (void) ALIAS(IntDefaultHandler);
void WAKEUP_IRQHandlerPIO0_3 (void) ALIAS(IntDefaultHandler);
void WAKEUP_IRQHandlerPIO0_4 (void) ALIAS(IntDefaultHandler);
void WAKEUP_IRQHandlerPIO0_5 (void) ALIAS(IntDefaultHandler);
void WAKEUP_IRQHandlerPIO0_6 (void) ALIAS(IntDefaultHandler);
void WAKEUP_IRQHandlerPIO0_7 (void) ALIAS(IntDefaultHandler);
void WAKEUP_IRQHandlerPIO0_8 (void) ALIAS(IntDefaultHandler);
void WAKEUP_IRQHandlerPIO0_9 (void) ALIAS(IntDefaultHandler);
void WAKEUP_IRQHandlerPIO0_10(void) ALIAS(IntDefaultHandler);
void WAKEUP_IRQHandlerPIO0_11(void) ALIAS(IntDefaultHandler);
void WAKEUP_IRQHandlerPIO1_0 (void) ALIAS(IntDefaultHandler);
void WAKEUP_IRQHandlerPIO1_1 (void) ALIAS(IntDefaultHandler);
void WAKEUP_IRQHandlerPIO1_2 (void) ALIAS(IntDefaultHandler);
void WAKEUP_IRQHandlerPIO1_3 (void) ALIAS(IntDefaultHandler);
void WAKEUP_IRQHandlerPIO1_4 (void) ALIAS(IntDefaultHandler);
void WAKEUP_IRQHandlerPIO1_5 (void) ALIAS(IntDefaultHandler);
void WAKEUP_IRQHandlerPIO1_6 (void) ALIAS(IntDefaultHandler);
void WAKEUP_IRQHandlerPIO1_7 (void) ALIAS(IntDefaultHandler);
void WAKEUP_IRQHandlerPIO1_8 (void) ALIAS(IntDefaultHandler);
void WAKEUP_IRQHandlerPIO1_9 (void) ALIAS(IntDefaultHandler);
void WAKEUP_IRQHandlerPIO1_10(void) ALIAS(IntDefaultHandler);
void WAKEUP_IRQHandlerPIO1_11(void) ALIAS(IntDefaultHandler);
void WAKEUP_IRQHandlerPIO2_0 (void) ALIAS(IntDefaultHandler);
void WAKEUP_IRQHandlerPIO2_1 (void) ALIAS(IntDefaultHandler);
void WAKEUP_IRQHandlerPIO2_2 (void) ALIAS(IntDefaultHandler);
void WAKEUP_IRQHandlerPIO2_3 (void) ALIAS(IntDefaultHandler);
void WAKEUP_IRQHandlerPIO2_4 (void) ALIAS(IntDefaultHandler);
void WAKEUP_IRQHandlerPIO2_5 (void) ALIAS(IntDefaultHandler);
void WAKEUP_IRQHandlerPIO2_6 (void) ALIAS(IntDefaultHandler);
void WAKEUP_IRQHandlerPIO2_7 (void) ALIAS(IntDefaultHandler);
void WAKEUP_IRQHandlerPIO2_8 (void) ALIAS(IntDefaultHandler);
void WAKEUP_IRQHandlerPIO2_9 (void) ALIAS(IntDefaultHandler);
void WAKEUP_IRQHandlerPIO2_10(void) ALIAS(IntDefaultHandler);
void WAKEUP_IRQHandlerPIO2_11(void) ALIAS(IntDefaultHandler);
void WAKEUP_IRQHandlerPIO3_0 (void) ALIAS(IntDefaultHandler);
void WAKEUP_IRQHandlerPIO3_1 (void) ALIAS(IntDefaultHandler);
void WAKEUP_IRQHandlerPIO3_2 (void) ALIAS(IntDefaultHandler);
void WAKEUP_IRQHandlerPIO3_3 (void) ALIAS(IntDefaultHandler);
//*****************************************************************************
//
// The entry point for the application.
// __main() is the entry point for redlib based applications
// main() is the entry point for newlib based applications
//
//*****************************************************************************
extern WEAK void __main(void);
extern WEAK void main(void);
//*****************************************************************************
//
// External declaration for the pointer to the stack top from the Linker Script
//
//*****************************************************************************
extern void __stack_end__(void);
//*****************************************************************************
//
// The vector table. Note that the proper constructs must be placed on this to
// ensure that it ends up at physical address 0x0000.0000.
//
//*****************************************************************************
__attribute__ ((section(".isr_vector")))
void (*const g_pfnVectors[]) (void) =
{
// Core Level - CM3
__stack_end__, // The initial stack pointer
Reset_Handler, // The reset handler
NMI_Handler, // The NMI handler
HardFault_Handler, // The hard fault handler
MemManage_Handler, // The MPU fault handler
BusFault_Handler, // The bus fault handler
UsageFault_Handler, // The usage fault handler
0, // Reserved
0, // Reserved
0, // Reserved
0, // Reserved
SVCall_Handler, // SVCall handler
DebugMon_Handler, // Debug monitor handler
0, // Reserved
PendSV_Handler, // The PendSV handler
SysTick_Handler, // The SysTick handler
// Wakeup sources (40 ea.) for the I/O pins:
// PIO0 (0:11)
// PIO1 (0:11)
// PIO2 (0:11)
// PIO3 (0:3)
WAKEUP_IRQHandlerPIO0_0, // PIO0_0 Wakeup
WAKEUP_IRQHandlerPIO0_1, // PIO0_1 Wakeup
WAKEUP_IRQHandlerPIO0_2, // PIO0_2 Wakeup
WAKEUP_IRQHandlerPIO0_3, // PIO0_3 Wakeup
WAKEUP_IRQHandlerPIO0_4, // PIO0_4 Wakeup
WAKEUP_IRQHandlerPIO0_5, // PIO0_5 Wakeup
WAKEUP_IRQHandlerPIO0_6, // PIO0_6 Wakeup
WAKEUP_IRQHandlerPIO0_7, // PIO0_7 Wakeup
WAKEUP_IRQHandlerPIO0_8, // PIO0_8 Wakeup
WAKEUP_IRQHandlerPIO0_9, // PIO0_9 Wakeup
WAKEUP_IRQHandlerPIO0_10, // PIO0_10 Wakeup
WAKEUP_IRQHandlerPIO0_11, // PIO0_11 Wakeup
WAKEUP_IRQHandlerPIO1_0, // PIO1_0 Wakeup
WAKEUP_IRQHandlerPIO1_1, // PIO1_1 Wakeup
WAKEUP_IRQHandlerPIO1_2, // PIO1_2 Wakeup
WAKEUP_IRQHandlerPIO1_3, // PIO1_3 Wakeup
WAKEUP_IRQHandlerPIO1_4, // PIO1_4 Wakeup
WAKEUP_IRQHandlerPIO1_5, // PIO1_5 Wakeup
WAKEUP_IRQHandlerPIO1_6, // PIO1_6 Wakeup
WAKEUP_IRQHandlerPIO1_7, // PIO1_7 Wakeup
WAKEUP_IRQHandlerPIO1_8, // PIO1_8 Wakeup
WAKEUP_IRQHandlerPIO1_9, // PIO1_9 Wakeup
WAKEUP_IRQHandlerPIO1_10, // PIO1_10 Wakeup
WAKEUP_IRQHandlerPIO1_11, // PIO1_11 Wakeup
WAKEUP_IRQHandlerPIO2_0, // PIO2_0 Wakeup
WAKEUP_IRQHandlerPIO2_1, // PIO2_1 Wakeup
WAKEUP_IRQHandlerPIO2_2, // PIO2_2 Wakeup
WAKEUP_IRQHandlerPIO2_3, // PIO2_3 Wakeup
WAKEUP_IRQHandlerPIO2_4, // PIO2_4 Wakeup
WAKEUP_IRQHandlerPIO2_5, // PIO2_5 Wakeup
WAKEUP_IRQHandlerPIO2_6, // PIO2_6 Wakeup
WAKEUP_IRQHandlerPIO2_7, // PIO2_7 Wakeup
WAKEUP_IRQHandlerPIO2_8, // PIO2_8 Wakeup
WAKEUP_IRQHandlerPIO2_9, // PIO2_9 Wakeup
WAKEUP_IRQHandlerPIO2_10, // PIO2_10 Wakeup
WAKEUP_IRQHandlerPIO2_11, // PIO2_11 Wakeup
WAKEUP_IRQHandlerPIO3_0, // PIO3_0 Wakeup
WAKEUP_IRQHandlerPIO3_1, // PIO3_1 Wakeup
WAKEUP_IRQHandlerPIO3_2, // PIO3_2 Wakeup
WAKEUP_IRQHandlerPIO3_3, // PIO3_3 Wakeup
I2C_IRQHandler, // I2C0
TIMER16_0_IRQHandler, // CT16B0 (16-bit Timer 0)
TIMER16_1_IRQHandler, // CT16B1 (16-bit Timer 1)
TIMER32_0_IRQHandler, // CT32B0 (32-bit Timer 0)
TIMER32_1_IRQHandler, // CT32B1 (32-bit Timer 1)
SSP_IRQHandler, // SSP0
UART_IRQHandler, // UART0
USB_IRQHandler, // USB IRQ
USB_FIQHandler, // USB FIQ
ADC_IRQHandler, // ADC (A/D Converter)
WDT_IRQHandler, // WDT (Watchdog Timer)
BOD_IRQHandler, // BOD (Brownout Detect)
FMC_IRQHandler, // Flash (IP2111 Flash Memory Controller)
PIOINT3_IRQHandler, // PIO INT3
PIOINT2_IRQHandler, // PIO INT2
PIOINT1_IRQHandler, // PIO INT1
PIOINT0_IRQHandler, // PIO INT0
};
//*****************************************************************************
//
// The following are constructs created by the linker, indicating where the
// the "data" and "bss" segments reside in memory. The initializers for the
// for the "data" segment resides immediately following the "text" segment.
//
//*****************************************************************************
extern unsigned long __end_of_text__;
extern unsigned long __data_beg__;
extern unsigned long __data_end__;
extern unsigned long __bss_beg__;
extern unsigned long __bss_end__;
//*****************************************************************************
//
// 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 entry() routine is called. Any fancy
// actions (such as making decisions based on the reset cause register, and
// resetting the bits in that register) are left solely in the hands of the
// application.
//
//*****************************************************************************
void
//ResetISR(void)
Reset_Handler(void)
{
unsigned long *pulSrc, *pulDest;
//
// Copy the data segment initializers from flash to SRAM.
//
pulSrc = &__end_of_text__;
for (pulDest = &__data_beg__; pulDest < &__data_end__;) {
*pulDest++ = *pulSrc++;
}
//
// Zero fill the bss segment. This is done with inline assembly since this
// will clear the value of pulDest if it is not kept in a register.
//
__asm(" ldr r0, =__bss_beg__\n" " ldr r1, =__bss_end__\n"
" mov r2, #0\n" " .thumb_func\n" "zero_loop:\n"
" cmp r0, r1\n" " it lt\n"
" strlt r2, [r0], #4\n" " blt zero_loop");
#ifdef __USE_CMSIS
SystemInit();
#endif
main();
//
// main() shouldn't return, but if it does, we'll just enter an infinite loop
//
while (1) {
;
}
}
//*****************************************************************************
//
// This is the code that gets called when the processor receives a NMI. This
// simply enters an infinite loop, preserving the system state for examination
// by a debugger.
//
//*****************************************************************************
void NMI_Handler(void)
{
while (1) {
}
}
void HardFault_Handler(void)
{
while (1) {
}
}
void MemManage_Handler(void)
{
while (1) {
}
}
void BusFault_Handler(void)
{
while (1) {
}
}
void UsageFault_Handler(void)
{
while (1) {
}
}
void SVCall_Handler(void)
{
while (1) {
}
}
void DebugMon_Handler(void)
{
while (1) {
}
}
void PendSV_Handler(void)
{
while (1) {
}
}
void SysTick_Handler(void)
{
while (1) {
}
}
//*****************************************************************************
//
// Processor ends up here if an unexpected interrupt occurs or a handler
// is not present in the application code.
//
//*****************************************************************************
static void IntDefaultHandler(void)
{
//
// Go into an infinite loop.
//
while (1) {
}
}