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