From 3ab7176e463268a471eb0e90c8520be4ff15a42f Mon Sep 17 00:00:00 2001 From: Christian Pointner Date: Tue, 28 May 2013 19:22:38 +0000 Subject: moved old FreeRTOS based MPU Softeware to mpu.old git-svn-id: https://svn.spreadspace.org/mur.sat@768 7de4ea59-55d0-425e-a1af-a3118ea81d4c --- software/mpu.old/src/cr_startup_lpc13.c | 367 ++++++++++++++++++++++++++++++++ 1 file changed, 367 insertions(+) create mode 100644 software/mpu.old/src/cr_startup_lpc13.c (limited to 'software/mpu.old/src/cr_startup_lpc13.c') diff --git a/software/mpu.old/src/cr_startup_lpc13.c b/software/mpu.old/src/cr_startup_lpc13.c new file mode 100644 index 0000000..48a9784 --- /dev/null +++ b/software/mpu.old/src/cr_startup_lpc13.c @@ -0,0 +1,367 @@ +//***************************************************************************** +// +--+ +// | ++----+ +// +-++ | +// | | +// +-+--+ | +// | +--+--+ +// +----+ Copyright (c) 2009-10 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. +// +//***************************************************************************** +#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))) + +// Code Red - if CMSIS is being used, then SystemInit() routine +// will be called by startup code rather than in application's main() +#if defined (__USE_CMSIS) +#include "system_LPC13xx.h" +#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 SVCall_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 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_IRQHandler(void) ALIAS(IntDefaultHandler); + +extern void xPortSysTickHandler(void); +extern void xPortPendSVHandler(void); +extern void vPortSVCHandler( void ); + +//***************************************************************************** +// +// 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); + +//***************************************************************************** +#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. +// +//***************************************************************************** +extern void (* const g_pfnVectors[])(void); +__attribute__ ((section(".isr_vector"))) +void (* const g_pfnVectors[])(void) = { + // Core Level - 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 + vPortSVCHandler, // SVCall handler + DebugMon_Handler, // Debug monitor handler + 0, // Reserved + xPortPendSVHandler, // The PendSV handler + xPortSysTickHandler, // 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_IRQHandler, // PIO0_0 Wakeup + WAKEUP_IRQHandler, // PIO0_1 Wakeup + WAKEUP_IRQHandler, // PIO0_2 Wakeup + WAKEUP_IRQHandler, // PIO0_3 Wakeup + WAKEUP_IRQHandler, // PIO0_4 Wakeup + WAKEUP_IRQHandler, // PIO0_5 Wakeup + WAKEUP_IRQHandler, // PIO0_6 Wakeup + WAKEUP_IRQHandler, // PIO0_7 Wakeup + WAKEUP_IRQHandler, // PIO0_8 Wakeup + WAKEUP_IRQHandler, // PIO0_9 Wakeup + WAKEUP_IRQHandler, // PIO0_10 Wakeup + WAKEUP_IRQHandler, // PIO0_11 Wakeup + + WAKEUP_IRQHandler, // PIO1_0 Wakeup + WAKEUP_IRQHandler, // PIO1_1 Wakeup + WAKEUP_IRQHandler, // PIO1_2 Wakeup + WAKEUP_IRQHandler, // PIO1_3 Wakeup + WAKEUP_IRQHandler, // PIO1_4 Wakeup + WAKEUP_IRQHandler, // PIO1_5 Wakeup + WAKEUP_IRQHandler, // PIO1_6 Wakeup + WAKEUP_IRQHandler, // PIO1_7 Wakeup + WAKEUP_IRQHandler, // PIO1_8 Wakeup + WAKEUP_IRQHandler, // PIO1_9 Wakeup + WAKEUP_IRQHandler, // PIO1_10 Wakeup + WAKEUP_IRQHandler, // PIO1_11 Wakeup + + WAKEUP_IRQHandler, // PIO2_0 Wakeup + WAKEUP_IRQHandler, // PIO2_1 Wakeup + WAKEUP_IRQHandler, // PIO2_2 Wakeup + WAKEUP_IRQHandler, // PIO2_3 Wakeup + WAKEUP_IRQHandler, // PIO2_4 Wakeup + WAKEUP_IRQHandler, // PIO2_5 Wakeup + WAKEUP_IRQHandler, // PIO2_6 Wakeup + WAKEUP_IRQHandler, // PIO2_7 Wakeup + WAKEUP_IRQHandler, // PIO2_8 Wakeup + WAKEUP_IRQHandler, // PIO2_9 Wakeup + WAKEUP_IRQHandler, // PIO2_10 Wakeup + WAKEUP_IRQHandler, // PIO2_11 Wakeup + + WAKEUP_IRQHandler, // PIO3_0 Wakeup + WAKEUP_IRQHandler, // PIO3_1 Wakeup + WAKEUP_IRQHandler, // PIO3_2 Wakeup + WAKEUP_IRQHandler, // 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 _etext; +extern unsigned long _data; +extern unsigned long _edata; +extern unsigned long _bss; +extern unsigned long _ebss; + +//***************************************************************************** +// +// 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) { + unsigned long *pulSrc, *pulDest; + + // + // Copy the data segment initializers from flash to SRAM. + // + pulSrc = &_etext; + for (pulDest = &_data; pulDest < &_edata;) { + *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\n" + " ldr r1, =_ebss\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 + +#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. +// +//***************************************************************************** +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. +// +//***************************************************************************** + +void IntDefaultHandler(void) { + // + // Go into an infinite loop. + // + while (1) { + } +} -- cgit v1.2.3