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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) 2011-12 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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+// Version : 120126
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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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+#if defined (__cplusplus)
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+#ifdef __REDLIB__
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+#error Redlib does not support C++
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+#else
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+//*****************************************************************************
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+//
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+// The entry point for the C++ library startup
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+//
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+//*****************************************************************************
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+extern "C" {
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+ extern void __libc_init_array(void);
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+}
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+#endif
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+#endif
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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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+/* Include sys_config.h to get the CHIP_11* device identifier */
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+#include "sys_config.h"
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+
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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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+extern void SystemInit(void);
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+
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+//*****************************************************************************
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+#if defined (__cplusplus)
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+extern "C" {
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+#endif
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+
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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 ResetISR(void);
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+WEAK void NMI_Handler(void);
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+WEAK void HardFault_Handler(void);
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+WEAK void SVC_Handler(void);
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+WEAK void PendSV_Handler(void);
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+WEAK void SysTick_Handler(void);
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+WEAK void IntDefaultHandler(void);
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+
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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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+
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+#if defined(CHIP_LPC1343)
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+void WAKEUP_IRQHandler (void) ALIAS(IntDefaultHandler);
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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 SSP0_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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+
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+#elif defined(CHIP_LPC1347)
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+void PIN_INT0_IRQHandler (void) ALIAS(IntDefaultHandler);
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+void PIN_INT1_IRQHandler (void) ALIAS(IntDefaultHandler);
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+void PIN_INT2_IRQHandler (void) ALIAS(IntDefaultHandler);
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+void PIN_INT3_IRQHandler (void) ALIAS(IntDefaultHandler);
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+void PIN_INT4_IRQHandler (void) ALIAS(IntDefaultHandler);
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+void PIN_INT5_IRQHandler (void) ALIAS(IntDefaultHandler);
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+void PIN_INT6_IRQHandler (void) ALIAS(IntDefaultHandler);
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+void PIN_INT7_IRQHandler (void) ALIAS(IntDefaultHandler);
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+void GINT0_IRQHandler (void) ALIAS(IntDefaultHandler);
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+void GINT1_IRQHandler (void) ALIAS(IntDefaultHandler);
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+void RIT_IRQHandler (void) ALIAS(IntDefaultHandler);
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+void SSP1_IRQHandler (void) ALIAS(IntDefaultHandler);
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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 SSP0_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 OSCFAIL_IRQHandler (void) ALIAS(IntDefaultHandler);
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+void PVTCIRCUIT_IRQHandler (void) ALIAS(IntDefaultHandler);
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+void USBWakeup_IRQHandler (void) ALIAS(IntDefaultHandler);
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+
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+#else
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+#error No CHIP_134* device defined
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+#endif
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+
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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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+//
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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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+#if defined (__REDLIB__)
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+extern void __main(void);
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+#endif
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+extern int 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 _vStackTop(void);
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+
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+//*****************************************************************************
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+#if defined (__cplusplus)
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+} // extern "C"
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+#endif
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+
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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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+extern void (* const g_pfnVectors[])(void);
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+__attribute__ ((section(".isr_vector"))) __attribute__ ((used))
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+void (* const g_pfnVectors[])(void) = {
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+ &_vStackTop, // The initial stack pointer
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+ ResetISR, // 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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+ 0, // Reserved
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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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+ 0, // Reserved
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+ 0, // Reserved
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+ SVC_Handler, // SVCall handler
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+ 0, // Reserved
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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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+
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+#if defined(CHIP_LPC1343)
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+ WAKEUP_IRQHandler, // Wakeup PIO0.0
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+ WAKEUP_IRQHandler, // Wakeup PIO0.1
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+ WAKEUP_IRQHandler, // Wakeup PIO0.2
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+ WAKEUP_IRQHandler, // Wakeup PIO0.3
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+ WAKEUP_IRQHandler, // Wakeup PIO0.4
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+ WAKEUP_IRQHandler, // Wakeup PIO0.5
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+ WAKEUP_IRQHandler, // Wakeup PIO0.6
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+ WAKEUP_IRQHandler, // Wakeup PIO0.7
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+ WAKEUP_IRQHandler, // Wakeup PIO0.8
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+ WAKEUP_IRQHandler, // Wakeup PIO0.9
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+ WAKEUP_IRQHandler, // Wakeup PIO0.10
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+ WAKEUP_IRQHandler, // Wakeup PIO0.11
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+ WAKEUP_IRQHandler, // Wakeup PIO1.0
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+ WAKEUP_IRQHandler, // Wakeup PIO1.1
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+ WAKEUP_IRQHandler, // Wakeup PIO1.2
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+ WAKEUP_IRQHandler, // Wakeup PIO1.3
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+ WAKEUP_IRQHandler, // Wakeup PIO1.4
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+ WAKEUP_IRQHandler, // Wakeup PIO1.5
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+ WAKEUP_IRQHandler, // Wakeup PIO1.6
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+ WAKEUP_IRQHandler, // Wakeup PIO1.7
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+ WAKEUP_IRQHandler, // Wakeup PIO1.8
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+ WAKEUP_IRQHandler, // Wakeup PIO1.9
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+ WAKEUP_IRQHandler, // Wakeup PIO1.10
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+ WAKEUP_IRQHandler, // Wakeup PIO1.11
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+ WAKEUP_IRQHandler, // Wakeup PIO2.0
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+ WAKEUP_IRQHandler, // Wakeup PIO2.1
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+ WAKEUP_IRQHandler, // Wakeup PIO2.2
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+ WAKEUP_IRQHandler, // Wakeup PIO2.3
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+ WAKEUP_IRQHandler, // Wakeup PIO2.4
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+ WAKEUP_IRQHandler, // Wakeup PIO2.5
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+ WAKEUP_IRQHandler, // Wakeup PIO2.6
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+ WAKEUP_IRQHandler, // Wakeup PIO2.7
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+ WAKEUP_IRQHandler, // Wakeup PIO2.8
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+ WAKEUP_IRQHandler, // Wakeup PIO2.9
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+ WAKEUP_IRQHandler, // Wakeup PIO2.10
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+ WAKEUP_IRQHandler, // Wakeup PIO2.11
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+ WAKEUP_IRQHandler, // Wakeup PIO3.0
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+ WAKEUP_IRQHandler, // Wakeup PIO3.1
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+ WAKEUP_IRQHandler, // Wakeup PIO3.2
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+ WAKEUP_IRQHandler, // Wakeup PIO3.3
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+ I2C_IRQHandler, // I2C
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+ TIMER16_0_IRQHandler, // 16-bit Counter-Timer 0
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+ TIMER16_1_IRQHandler, // 16-bit Counter-Timer 1
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+ TIMER32_0_IRQHandler, // 32-bit Counter-Timer 0
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+ TIMER32_1_IRQHandler, // 32-bit Counter-Timer 1
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+ SSP0_IRQHandler, // SSP0
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+ UART_IRQHandler, // UART
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+ USB_IRQHandler, // USB IRQ
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+ USB_FIQHandler, // USB FIQ
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+ ADC_IRQHandler, // A/D Converter
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+ WDT_IRQHandler, // Watchdog Timer
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+ BOD_IRQHandler, // Brown Out Detect
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+ FMC_IRQHandler, // 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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+#elif defined(CHIP_LPC1347)
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+ PIN_INT0_IRQHandler, // All GPIO pin can be routed to PIN_INTx
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+ PIN_INT1_IRQHandler,
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+ PIN_INT2_IRQHandler,
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+ PIN_INT3_IRQHandler,
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+ PIN_INT4_IRQHandler,
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+ PIN_INT5_IRQHandler,
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+ PIN_INT6_IRQHandler,
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+ PIN_INT7_IRQHandler,
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+ GINT0_IRQHandler,
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+ GINT1_IRQHandler, // PIO0 (0:7)
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+ 0,
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+ 0,
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+ RIT_IRQHandler,
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+ 0,
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+ SSP1_IRQHandler, // SSP1
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+ I2C_IRQHandler, // I2C
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+ TIMER16_0_IRQHandler, // 16-bit Counter-Timer 0
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+ TIMER16_1_IRQHandler, // 16-bit Counter-Timer 1
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+ TIMER32_0_IRQHandler, // 32-bit Counter-Timer 0
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+ TIMER32_1_IRQHandler, // 32-bit Counter-Timer 1
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+ SSP0_IRQHandler, // SSP0
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+ UART_IRQHandler, // UART
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+ USB_IRQHandler, // USB IRQ
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+ USB_FIQHandler, // USB FIQ
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+ ADC_IRQHandler, // A/D Converter
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+ WDT_IRQHandler, // Watchdog Timer
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+ BOD_IRQHandler, // Brown Out Detect
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+ FMC_IRQHandler, // IP2111 Flash Memory Controller
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+ OSCFAIL_IRQHandler, // OSC FAIL
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+ PVTCIRCUIT_IRQHandler, // PVT CIRCUIT
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+ USBWakeup_IRQHandler, // USB wake up
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+ 0,
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+
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+#else
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+#error No CHIP_13* device defined
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+#endif
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+};
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+
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+//*****************************************************************************
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+// Functions to carry out the initialization of RW and BSS data sections. These
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+// are written as separate functions rather than being inlined within the
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+// ResetISR() function in order to cope with MCUs with multiple banks of
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+// memory.
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+//*****************************************************************************
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+__attribute__ ((section(".after_vectors")))
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+void data_init(unsigned int romstart, unsigned int start, unsigned int len) {
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+ unsigned int *pulDest = (unsigned int*) start;
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+ unsigned int *pulSrc = (unsigned int*) romstart;
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+ unsigned int loop;
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+ for (loop = 0; loop < len; loop = loop + 4)
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+ *pulDest++ = *pulSrc++;
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+}
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+
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+__attribute__ ((section(".after_vectors")))
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+void bss_init(unsigned int start, unsigned int len) {
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+ unsigned int *pulDest = (unsigned int*) start;
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+ unsigned int loop;
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+ for (loop = 0; loop < len; loop = loop + 4)
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+ *pulDest++ = 0;
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+}
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+
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+#ifndef USE_OLD_STYLE_DATA_BSS_INIT
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+//*****************************************************************************
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+// The following symbols are constructs generated by the linker, indicating
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+// the location of various points in the "Global Section Table". This table is
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+// created by the linker via the Code Red managed linker script mechanism. It
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+// contains the load address, execution address and length of each RW data
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+// section and the execution and length of each BSS (zero initialized) section.
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+//*****************************************************************************
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+extern unsigned int __data_section_table;
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+extern unsigned int __data_section_table_end;
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+extern unsigned int __bss_section_table;
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+extern unsigned int __bss_section_table_end;
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+#else
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+//*****************************************************************************
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+// The following symbols are constructs generated by the linker, indicating
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+// the load address, execution address and length of the RW data section and
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+// the execution and length of the BSS (zero initialized) section.
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+// Note that these symbols are not normally used by the managed linker script
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+// mechanism in Red Suite/LPCXpresso 3.6 (Windows) and LPCXpresso 3.8 (Linux).
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+// They are provide here simply so this startup code can be used with earlier
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+// versions of Red Suite which do not support the more advanced managed linker
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+// script mechanism introduced in the above version. To enable their use,
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+// define "USE_OLD_STYLE_DATA_BSS_INIT".
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+//*****************************************************************************
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+extern unsigned int _etext;
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+extern unsigned int _data;
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+extern unsigned int _edata;
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+extern unsigned int _bss;
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+extern unsigned int _ebss;
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+#endif
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+
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+
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+//*****************************************************************************
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+// Reset entry point for your code.
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+// Sets up a simple runtime environment and initializes the C/C++
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+// library.
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+//*****************************************************************************
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+__attribute__ ((section(".after_vectors")))
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+void
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+ResetISR(void) {
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+
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+#ifndef USE_OLD_STYLE_DATA_BSS_INIT
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+ //
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+ // Copy the data sections from flash to SRAM.
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+ //
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+ unsigned int LoadAddr, ExeAddr, SectionLen;
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+ unsigned int *SectionTableAddr;
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+
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+ // Load base address of Global Section Table
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+ SectionTableAddr = &__data_section_table;
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+
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+ // Copy the data sections from flash to SRAM.
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+ while (SectionTableAddr < &__data_section_table_end) {
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+ LoadAddr = *SectionTableAddr++;
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+ ExeAddr = *SectionTableAddr++;
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+ SectionLen = *SectionTableAddr++;
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+ data_init(LoadAddr, ExeAddr, SectionLen);
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+ }
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+ // At this point, SectionTableAddr = &__bss_section_table;
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+ // Zero fill the bss segment
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+ while (SectionTableAddr < &__bss_section_table_end) {
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+ ExeAddr = *SectionTableAddr++;
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+ SectionLen = *SectionTableAddr++;
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+ bss_init(ExeAddr, SectionLen);
|
|
|
+ }
|
|
|
+#else
|
|
|
+ // Use Old Style Data and BSS section initialization.
|
|
|
+ // This will only initialize a single RAM bank.
|
|
|
+ unsigned int * LoadAddr, *ExeAddr, *EndAddr, SectionLen;
|
|
|
+
|
|
|
+ // Copy the data segment from flash to SRAM.
|
|
|
+ LoadAddr = &_etext;
|
|
|
+ ExeAddr = &_data;
|
|
|
+ EndAddr = &_edata;
|
|
|
+ SectionLen = (void*)EndAddr - (void*)ExeAddr;
|
|
|
+ data_init((unsigned int)LoadAddr, (unsigned int)ExeAddr, SectionLen);
|
|
|
+ // Zero fill the bss segment
|
|
|
+ ExeAddr = &_bss;
|
|
|
+ EndAddr = &_ebss;
|
|
|
+ SectionLen = (void*)EndAddr - (void*)ExeAddr;
|
|
|
+ bss_init ((unsigned int)ExeAddr, SectionLen);
|
|
|
+#endif
|
|
|
+
|
|
|
+// extern void SystemInit(void);
|
|
|
+ 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) {
|
|
|
+ ;
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+//*****************************************************************************
|
|
|
+// 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 SVC_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)
|
|
|
+ {
|
|
|
+ }
|
|
|
+}
|
|
|
+
|