mbed library sources: Modified to operate FRDM-KL25Z at 48MHz from internal 32kHz oscillator (nothing else changed).
Fork of mbed-src by
The only file that changed is: mbed-src-FLL48/targets/cmsis/TARGET_Freescale/TARGET_KL25Z/system_MKL25Z4.h
targets/cmsis/TARGET_NXP/TARGET_LPC43XX/TOOLCHAIN_GCC_CR/startup_LPC43xx.cpp
- Committer:
- bogdanm
- Date:
- 2013-09-10
- Revision:
- 20:4263a77256ae
File content as of revision 20:4263a77256ae:
// ***************************************************************************** // +--+ // | ++----+ // +-++ | // | | // +-+--+ | // | +--+--+ // +----+ Copyright (c) 2011-12 Code Red Technologies Ltd. // // LPC43xx Microcontroller Startup code for use with Red Suite // // Version : 120430 // // 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. // // ***************************************************************************** #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))) //#if defined (__USE_CMSIS) #include "LPC43xx.h" //#endif #if defined(OS_UCOS_III) extern void OS_CPU_PendSVHandler(void); extern void OS_CPU_SysTickHandler (void); #endif // ***************************************************************************** #if defined(__cplusplus) extern "C" { #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 ResetISR(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 DAC_IRQHandler(void) ALIAS(IntDefaultHandler); void MX_CORE_IRQHandler(void) ALIAS(IntDefaultHandler); void DMA_IRQHandler(void) ALIAS(IntDefaultHandler); void FLASHEEPROM_IRQHandler(void) ALIAS(IntDefaultHandler); void ETH_IRQHandler(void) ALIAS(IntDefaultHandler); void SDIO_IRQHandler(void) ALIAS(IntDefaultHandler); void LCD_IRQHandler(void) ALIAS(IntDefaultHandler); void USB0_IRQHandler(void) ALIAS(IntDefaultHandler); void USB1_IRQHandler(void) ALIAS(IntDefaultHandler); void SCT_IRQHandler(void) ALIAS(IntDefaultHandler); void RIT_IRQHandler(void) ALIAS(IntDefaultHandler); void TIMER0_IRQHandler(void) ALIAS(IntDefaultHandler); void TIMER1_IRQHandler(void) ALIAS(IntDefaultHandler); void TIMER2_IRQHandler(void) ALIAS(IntDefaultHandler); void TIMER3_IRQHandler(void) ALIAS(IntDefaultHandler); void MCPWM_IRQHandler(void) ALIAS(IntDefaultHandler); void ADC0_IRQHandler(void) ALIAS(IntDefaultHandler); void I2C0_IRQHandler(void) ALIAS(IntDefaultHandler); void I2C1_IRQHandler(void) ALIAS(IntDefaultHandler); void SPI_IRQHandler (void) ALIAS(IntDefaultHandler); void ADC1_IRQHandler(void) ALIAS(IntDefaultHandler); void SSP0_IRQHandler(void) ALIAS(IntDefaultHandler); void SSP1_IRQHandler(void) ALIAS(IntDefaultHandler); void UART0_IRQHandler(void) ALIAS(IntDefaultHandler); void UART1_IRQHandler(void) ALIAS(IntDefaultHandler); void UART2_IRQHandler(void) ALIAS(IntDefaultHandler); void UART3_IRQHandler(void) ALIAS(IntDefaultHandler); void I2S0_IRQHandler(void) ALIAS(IntDefaultHandler); void I2S1_IRQHandler(void) ALIAS(IntDefaultHandler); void SPIFI_IRQHandler(void) ALIAS(IntDefaultHandler); void SGPIO_IRQHandler(void) ALIAS(IntDefaultHandler); void GPIO0_IRQHandler(void) ALIAS(IntDefaultHandler); void GPIO1_IRQHandler(void) ALIAS(IntDefaultHandler); void GPIO2_IRQHandler(void) ALIAS(IntDefaultHandler); void GPIO3_IRQHandler(void) ALIAS(IntDefaultHandler); void GPIO4_IRQHandler(void) ALIAS(IntDefaultHandler); void GPIO5_IRQHandler(void) ALIAS(IntDefaultHandler); void GPIO6_IRQHandler(void) ALIAS(IntDefaultHandler); void GPIO7_IRQHandler(void) ALIAS(IntDefaultHandler); void GINT0_IRQHandler(void) ALIAS(IntDefaultHandler); void GINT1_IRQHandler(void) ALIAS(IntDefaultHandler); void EVRT_IRQHandler(void) ALIAS(IntDefaultHandler); void CAN1_IRQHandler(void) ALIAS(IntDefaultHandler); void ATIMER_IRQHandler(void) ALIAS(IntDefaultHandler); void RTC_IRQHandler(void) ALIAS(IntDefaultHandler); void WDT_IRQHandler(void) ALIAS(IntDefaultHandler); void CAN0_IRQHandler(void) ALIAS(IntDefaultHandler); void QEI_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); #endif extern int main(void); // ***************************************************************************** // // External declaration for the pointer to the stack top from the Linker Script // // ***************************************************************************** extern void _vStackTop(void); // ***************************************************************************** // // Application can define Stack size (If not defined, default stack size will // used // // ***************************************************************************** #ifndef STACK_SIZE #define STACK_SIZE (0x200) #endif // ***************************************************************************** // // Application can define Heap size (If not defined, default Heap size will // used // // ***************************************************************************** #ifndef HEAP_SIZE #define HEAP_SIZE (0x4000) #endif unsigned int __vStack[STACK_SIZE / sizeof(unsigned int)] __attribute__((section("STACK,\"aw\",%nobits@"))); unsigned int __vHeap[HEAP_SIZE / sizeof(unsigned int)] __attribute__((section("HEAP,\"aw\",%nobits@"))); // ***************************************************************************** #if defined(__cplusplus) } // extern "C" #endif // ***************************************************************************** // // The vector table. // This relies on the linker script to place at correct location in memory. // // ***************************************************************************** extern void(*const g_pfnVectors[]) (void); __attribute__ ((section(".isr_vector"))) void(*const g_pfnVectors[]) (void) = { // Core Level - CM4/CM3 &_vStackTop, // The initial stack pointer ResetISR, // 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 #if defined(OS_UCOS_III) OS_CPU_PendSVHandler, // uCOS-III PendSV handler OS_CPU_SysTickHandler, // uCOS-III SysTick handler #else PendSV_Handler, // The PendSV handler SysTick_Handler, // The SysTick handler #endif // Chip Level - LPC18xx/43xx DAC_IRQHandler, // 16 D/A Converter MX_CORE_IRQHandler, // 17 CortexM4/M0 (LPC43XX ONLY) DMA_IRQHandler, // 18 General Purpose DMA 0, // 19 Reserved FLASHEEPROM_IRQHandler, // 20 ORed flash Bank A, flash Bank B, EEPROM interrupts ETH_IRQHandler, // 21 Ethernet SDIO_IRQHandler, // 22 SD/MMC LCD_IRQHandler, // 23 LCD USB0_IRQHandler, // 24 USB0 USB1_IRQHandler, // 25 USB1 SCT_IRQHandler, // 26 State Configurable Timer RIT_IRQHandler, // 27 Repetitive Interrupt Timer TIMER0_IRQHandler, // 28 Timer0 TIMER1_IRQHandler, // 29 Timer 1 TIMER2_IRQHandler, // 30 Timer 2 TIMER3_IRQHandler, // 31 Timer 3 MCPWM_IRQHandler, // 32 Motor Control PWM ADC0_IRQHandler, // 33 A/D Converter 0 I2C0_IRQHandler, // 34 I2C0 I2C1_IRQHandler, // 35 I2C1 SPI_IRQHandler, // 36 SPI (LPC43XX ONLY) ADC1_IRQHandler, // 37 A/D Converter 1 SSP0_IRQHandler, // 38 SSP0 SSP1_IRQHandler, // 39 SSP1 UART0_IRQHandler, // 40 UART0 UART1_IRQHandler, // 41 UART1 UART2_IRQHandler, // 42 UART2 UART3_IRQHandler, // 43 USRT3 I2S0_IRQHandler, // 44 I2S0 I2S1_IRQHandler, // 45 I2S1 SPIFI_IRQHandler, // 46 SPI Flash Interface SGPIO_IRQHandler, // 47 SGPIO (LPC43XX ONLY) GPIO0_IRQHandler, // 48 GPIO0 GPIO1_IRQHandler, // 49 GPIO1 GPIO2_IRQHandler, // 50 GPIO2 GPIO3_IRQHandler, // 51 GPIO3 GPIO4_IRQHandler, // 52 GPIO4 GPIO5_IRQHandler, // 53 GPIO5 GPIO6_IRQHandler, // 54 GPIO6 GPIO7_IRQHandler, // 55 GPIO7 GINT0_IRQHandler, // 56 GINT0 GINT1_IRQHandler, // 57 GINT1 EVRT_IRQHandler, // 58 Event Router CAN1_IRQHandler, // 59 C_CAN1 0, // 60 Reserved 0, // 61 Reserved ATIMER_IRQHandler, // 62 ATIMER RTC_IRQHandler, // 63 RTC 0, // 64 Reserved WDT_IRQHandler, // 65 WDT 0, // 66 Reserved CAN0_IRQHandler, // 67 C_CAN0 QEI_IRQHandler, // 68 QEI }; // ***************************************************************************** // Functions to carry out the initialization of RW and BSS data sections. These // are written as separate functions rather than being inlined within the // ResetISR() function in order to cope with MCUs with multiple banks of // memory. // ***************************************************************************** __attribute__ ((section(".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++; } __attribute__ ((section(".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; } // ***************************************************************************** // The following symbols are constructs generated by the linker, indicating // the location of various points in the "Global Section Table". This table is // created by the linker via the Code Red managed linker script mechanism. It // contains the load address, execution address and length of each RW data // section and the execution and length of each BSS (zero initialized) section. // ***************************************************************************** extern unsigned int __data_section_table; extern unsigned int __data_section_table_end; extern unsigned int __bss_section_table; extern unsigned int __bss_section_table_end; // ***************************************************************************** // Reset entry point for your code. // Sets up a simple runtime environment and initializes the C/C++ // library. // // ***************************************************************************** void ResetISR(void) { // // Copy the data sections from flash to SRAM. // unsigned int LoadAddr, ExeAddr, SectionLen; unsigned int *SectionTableAddr; /* Call SystemInit() for clocking/memory setup prior to scatter load */ SystemInit(); // Load base address of Global Section Table SectionTableAddr = &__data_section_table; // Copy the data sections from flash to SRAM. while (SectionTableAddr < &__data_section_table_end) { LoadAddr = *SectionTableAddr++; ExeAddr = *SectionTableAddr++; SectionLen = *SectionTableAddr++; data_init(LoadAddr, ExeAddr, SectionLen); } // At this point, SectionTableAddr = &__bss_section_table; // Zero fill the bss segment while (SectionTableAddr < &__bss_section_table_end) { ExeAddr = *SectionTableAddr++; SectionLen = *SectionTableAddr++; bss_init(ExeAddr, SectionLen); } #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) {} } // ***************************************************************************** // Default exception handlers. Override the ones here by defining your own // handler routines in your application code. // ***************************************************************************** __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 SVC_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 specific // handler is not present in the application code. // // ***************************************************************************** __attribute__ ((section(".after_vectors"))) void IntDefaultHandler(void) { while (1) {} } // ***************************************************************************** // // Heap overflow check function required by REDLib_V2 library // // ***************************************************************************** extern unsigned int *_pvHeapStart; unsigned int __check_heap_overflow (void * new_end_of_heap) { return (new_end_of_heap >= (void *)&__vHeap[HEAP_SIZE/sizeof(unsigned int)]); }