/*================================*/ /*=====LPC11XX GNU STARTUP========*/ /*==A CODERED COMPATIBLE STARTUP==*/ /*================================*/ #if defined (__cplusplus) #ifdef __REDLIB__ #error Redlib does not support C++ #else //***************************************************************************** // // The entry point for the C++ library startup // //***************************************************************************** extern "C" { extern void __libc_init_array(void); } #endif #endif #define WEAK __attribute__ ((weak)) #define ALIAS(f) __attribute__ ((weak, alias (#f))) #include "LPC13Uxx.h" //***************************************************************************** #if defined (__cplusplus) extern "C" { #endif extern unsigned int __data_load_addr; extern unsigned int __data_start; extern unsigned int __data_end; extern unsigned int __bss_start; extern unsigned int __bss_end; extern unsigned int __StackTop; #ifdef FIXED_STACKHEAP_SIZE #define STACK_SIZE (800) #define HEAP_SIZE (200) unsigned char StackMem[STACK_SIZE] __attribute__ ((section(".stack"))); unsigned char HeapMem[HEAP_SIZE] __attribute__ ((section(".heap"), align(8))); #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); 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 SVC_Handler(void); WEAK void DebugMon_Handler(void); WEAK void PendSV_Handler(void); WEAK void SysTick_Handler(void); WEAK void IntDefaultHandler(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 PIN_INT0_IRQHandler (void) ALIAS(IntDefaultHandler); void PIN_INT1_IRQHandler (void) ALIAS(IntDefaultHandler); void PIN_INT2_IRQHandler (void) ALIAS(IntDefaultHandler); void PIN_INT3_IRQHandler (void) ALIAS(IntDefaultHandler); void PIN_INT4_IRQHandler (void) ALIAS(IntDefaultHandler); void PIN_INT5_IRQHandler (void) ALIAS(IntDefaultHandler); void PIN_INT6_IRQHandler (void) ALIAS(IntDefaultHandler); void PIN_INT7_IRQHandler (void) ALIAS(IntDefaultHandler); void GINT0_IRQHandler (void) ALIAS(IntDefaultHandler); void GINT1_IRQHandler (void) ALIAS(IntDefaultHandler); void OSTIMER_IRQHandler (void) ALIAS(IntDefaultHandler); void SSP1_IRQHandler (void) ALIAS(IntDefaultHandler); void I2C_IRQHandler (void) ALIAS(IntDefaultHandler); void CT16B0_IRQHandler (void) ALIAS(IntDefaultHandler); void CT16B1_IRQHandler (void) ALIAS(IntDefaultHandler); void CT32B0_IRQHandler (void) ALIAS(IntDefaultHandler); void CT32B1_IRQHandler (void) ALIAS(IntDefaultHandler); void SSP0_IRQHandler (void) ALIAS(IntDefaultHandler); void USART_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 OSCFAIL_IRQHandler (void) ALIAS(IntDefaultHandler); void PVTCIRCUIT_IRQHandler (void) ALIAS(IntDefaultHandler); void USBWakeup_IRQHandler (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 // //***************************************************************************** #if defined (__REDLIB__) extern void __main(void); #else extern int main(void); #endif //***************************************************************************** #if defined (__cplusplus) } // extern "C" #endif //***************************************************************************** // // 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_table"))) void (* const Vectors[])(void) = { #ifdef FIXED_STACKHEAP_SIZE (void (*)(void))(StackMem + STACK_SIZE), // The initial stack pointer #else (void (*)(void))&__StackTop, #endif 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 SVC_Handler, // SVCall handler DebugMon_Handler, // Debug monitor handler 0, // Reserved PendSV_Handler, // The PendSV handler SysTick_Handler, // The SysTick handler // LPC13U External Interrupts PIN_INT0_IRQHandler, // All GPIO pin can be routed to PIN_INTx PIN_INT1_IRQHandler, PIN_INT2_IRQHandler, PIN_INT3_IRQHandler, PIN_INT4_IRQHandler, PIN_INT5_IRQHandler, PIN_INT6_IRQHandler, PIN_INT7_IRQHandler, GINT0_IRQHandler, GINT1_IRQHandler, // PIO0 (0:7) 0, 0, OSTIMER_IRQHandler, 0, SSP1_IRQHandler, // SSP1 I2C_IRQHandler, // I2C CT16B0_IRQHandler, // 16-bit Timer0 CT16B1_IRQHandler, // 16-bit Timer1 CT32B0_IRQHandler, // 32-bit Timer0 CT32B1_IRQHandler, // 32-bit Timer1 SSP0_IRQHandler, // SSP0 USART_IRQHandler, // USART USB_IRQHandler, // USB IRQ USB_FIQHandler, // USB FIQ ADC_IRQHandler, // A/D Converter WDT_IRQHandler, // Watchdog timer BOD_IRQHandler, // Brown Out Detect FMC_IRQHandler, // IP2111 Flash Memory Controller OSCFAIL_IRQHandler, // OSC FAIL PVTCIRCUIT_IRQHandler, // PVT CIRCUIT USBWakeup_IRQHandler, // USB wake up 0, }; //***************************************************************************** // Reset entry point for your code. // Sets up a simple runtime environment and initializes the C/C++ // library. //***************************************************************************** __attribute__ ((section(".after_vectors"))) void Reset_Handler(void) { /* * Only Initialize Internal SRAM * USB RAM is used for USB purpose */ unsigned int *src, *dst; /* Copy data section from flash to RAM */ src = &__data_load_addr; dst = &__data_start; while (dst < &__data_end) *dst++ = *src++; /* Zero fill the bss section */ dst = &__bss_start; while (dst < &__bss_end) *dst++ = 0; SystemInit(); #if defined (__cplusplus) // // Call C++ library initialisation // __libc_init_array(); #endif #if defined (__REDLIB__) // Call the Redlib library, which in turn calls main() __main() ; #else main(); #endif // // 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. // //***************************************************************************** __attribute__ ((section(".after_vectors"))) void NMI_Handler(void) { while(1) { } } __attribute__ ((section(".after_vectors"))) void HardFault_Handler(void) { while(1) { } } __attribute__ ((section(".after_vectors"))) void MemManage_Handler(void) { while(1) { } } __attribute__ ((section(".after_vectors"))) void BusFault_Handler(void) { while(1) { } } __attribute__ ((section(".after_vectors"))) void UsageFault_Handler(void) { while(1) { } } __attribute__ ((section(".after_vectors"))) void SVCall_Handler(void) { while(1) { } } __attribute__ ((section(".after_vectors"))) void DebugMon_Handler(void) { while(1) { } } __attribute__ ((section(".after_vectors"))) void PendSV_Handler(void) { while(1) { } } __attribute__ ((section(".after_vectors"))) 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. // //***************************************************************************** __attribute__ ((section(".after_vectors"))) void IntDefaultHandler(void) { while(1) { } }