added prescaler for 16 bit pwm in LPC1347 target
Fork of mbed-dev by
Diff: targets/cmsis/TARGET_NXP/TARGET_LPC11XX_11CXX/TOOLCHAIN_GCC_CR/TARGET_LPC11XX/startup_LPC11xx.cpp
- Revision:
- 0:9b334a45a8ff
- Child:
- 144:ef7eb2e8f9f7
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/cmsis/TARGET_NXP/TARGET_LPC11XX_11CXX/TOOLCHAIN_GCC_CR/TARGET_LPC11XX/startup_LPC11xx.cpp Thu Oct 01 15:25:22 2015 +0300 @@ -0,0 +1,167 @@ +extern "C" { + +#include "LPC11xx.h" + +#define WEAK __attribute__ ((weak)) +#define ALIAS(f) __attribute__ ((weak, alias (#f))) +#define AFTER_VECTORS __attribute__ ((section(".after_vectors"))) + + void ResetISR (void); +WEAK void NMI_Handler (void); +WEAK void HardFault_Handler (void); +WEAK void SVC_Handler (void); +WEAK void PendSV_Handler (void); +WEAK void SysTick_Handler (void); +WEAK void IntDefaultHandler (void); + void FLEX_INT0_IRQHandler(void) ALIAS(IntDefaultHandler); + void FLEX_INT1_IRQHandler(void) ALIAS(IntDefaultHandler); + void FLEX_INT2_IRQHandler(void) ALIAS(IntDefaultHandler); + void FLEX_INT3_IRQHandler(void) ALIAS(IntDefaultHandler); + void FLEX_INT4_IRQHandler(void) ALIAS(IntDefaultHandler); + void FLEX_INT5_IRQHandler(void) ALIAS(IntDefaultHandler); + void FLEX_INT6_IRQHandler(void) ALIAS(IntDefaultHandler); + void FLEX_INT7_IRQHandler(void) ALIAS(IntDefaultHandler); + void GINT0_IRQHandler (void) ALIAS(IntDefaultHandler); + void GINT1_IRQHandler (void) ALIAS(IntDefaultHandler); + void SSP1_IRQHandler (void) ALIAS(IntDefaultHandler); + 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 SSP0_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 USBWakeup_IRQHandler(void) ALIAS(IntDefaultHandler); + +extern void __libc_init_array(void); +extern int main(void); +extern void _vStackTop(void); + +extern void (* const g_pfnVectors[])(void); +__attribute__ ((section(".isr_vector"))) +void (* const g_pfnVectors[])(void) = { + &_vStackTop, + ResetISR, + NMI_Handler, + HardFault_Handler, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + SVC_Handler, + 0, + 0, + PendSV_Handler, + SysTick_Handler, + FLEX_INT0_IRQHandler, + FLEX_INT1_IRQHandler, + FLEX_INT2_IRQHandler, + FLEX_INT3_IRQHandler, + FLEX_INT4_IRQHandler, + FLEX_INT5_IRQHandler, + FLEX_INT6_IRQHandler, + FLEX_INT7_IRQHandler, + GINT0_IRQHandler, + GINT1_IRQHandler, + 0, + 0, + 0, + 0, + SSP1_IRQHandler, + I2C_IRQHandler, + TIMER16_0_IRQHandler, + TIMER16_1_IRQHandler, + TIMER32_0_IRQHandler, + TIMER32_1_IRQHandler, + SSP0_IRQHandler, + UART_IRQHandler, + USB_IRQHandler, + USB_FIQHandler, + ADC_IRQHandler, + WDT_IRQHandler, + BOD_IRQHandler, + FMC_IRQHandler, + 0, + 0, + USBWakeup_IRQHandler, + 0, +}; + +AFTER_VECTORS void data_init(unsigned int romstart, unsigned int start, unsigned int len) { + unsigned int *pulDest = (unsigned int*) start; + unsigned int *pulSrc = (unsigned int*) romstart; + unsigned int loop; + for (loop = 0; loop < len; loop = loop + 4) *pulDest++ = *pulSrc++; +} + +AFTER_VECTORS void bss_init(unsigned int start, unsigned int len) { + unsigned int *pulDest = (unsigned int*) start; + unsigned int loop; + for (loop = 0; loop < len; loop = loop + 4) *pulDest++ = 0; +} + +extern unsigned int __data_section_table; +extern unsigned int __data_section_table_end; +extern unsigned int __bss_section_table_end; + +extern "C" void software_init_hook(void) __attribute__((weak)); + +AFTER_VECTORS void ResetISR(void) { + unsigned int LoadAddr, ExeAddr, SectionLen; + unsigned int *SectionTableAddr; + + // Data Init + SectionTableAddr = &__data_section_table; + while (SectionTableAddr < &__data_section_table_end) { + LoadAddr = *SectionTableAddr++; + ExeAddr = *SectionTableAddr++; + SectionLen = *SectionTableAddr++; + data_init(LoadAddr, ExeAddr, SectionLen); + } + + // BSS Init + while (SectionTableAddr < &__bss_section_table_end) { + ExeAddr = *SectionTableAddr++; + SectionLen = *SectionTableAddr++; + bss_init(ExeAddr, SectionLen); + } + + SystemInit(); + if (software_init_hook) // give control to the RTOS + software_init_hook(); // this will also call __libc_init_array + else { + __libc_init_array(); + main(); + } + while (1) {;} +} + +AFTER_VECTORS void NMI_Handler (void) {while(1){}} +AFTER_VECTORS void HardFault_Handler(void) {while(1){}} +AFTER_VECTORS void SVC_Handler (void) {while(1){}} +AFTER_VECTORS void PendSV_Handler (void) {while(1){}} +AFTER_VECTORS void SysTick_Handler (void) {while(1){}} +AFTER_VECTORS void IntDefaultHandler(void) {while(1){}} + +#include <stdlib.h> + +void *operator new (size_t size) {return malloc(size);} +void *operator new[](size_t size) {return malloc(size);} + +void operator delete (void *p) {free(p);} +void operator delete[](void *p) {free(p);} + +int __aeabi_atexit(void *object, void (*destructor)(void *), void *dso_handle) { + return 0; +} + +}