+++ /dev/null
-//*****************************************************************************
-// +--+
-// | ++----+
-// +-++ |
-// | |
-// +-+--+ |
-// | +--+--+
-// +----+ 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)))
-
-// 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 "LPC43xx.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 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 M0CORE_IRQHandler(void) ALIAS(IntDefaultHandler);
-void DMA_IRQHandler(void) ALIAS(IntDefaultHandler);
-void EZH_IRQHandler(void) ALIAS(IntDefaultHandler);
-void FLASH_EEPROM_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 SPI_IRQHandler (void) ALIAS(IntDefaultHandler);
-void I2C1_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 VADC_IRQHandler(void) ALIAS(IntDefaultHandler);
-void ATIMER_IRQHandler(void) ALIAS(IntDefaultHandler);
-void RTC_IRQHandler(void) ALIAS(IntDefaultHandler);
-void WDT_IRQHandler(void) ALIAS(IntDefaultHandler);
-void M0s_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);
-
-//*****************************************************************************
-#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
- &_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
- PendSV_Handler, // The PendSV handler
- SysTick_Handler, // The SysTick handler
-
- // Chip Level - LPC43
- DAC_IRQHandler, // 16
- M0CORE_IRQHandler, // 17
- DMA_IRQHandler, // 18
- EZH_IRQHandler, // 19
- FLASH_EEPROM_IRQHandler, // 20
- ETH_IRQHandler, // 21
- SDIO_IRQHandler, // 22
- LCD_IRQHandler, // 23
- USB0_IRQHandler, // 24
- USB1_IRQHandler, // 25
- SCT_IRQHandler, // 26
- RIT_IRQHandler, // 27
- TIMER0_IRQHandler, // 28
- TIMER1_IRQHandler, // 29
- TIMER2_IRQHandler, // 30
- TIMER3_IRQHandler, // 31
- MCPWM_IRQHandler, // 32
- ADC0_IRQHandler, // 33
- I2C0_IRQHandler, // 34
- I2C1_IRQHandler, // 35
- SPI_IRQHandler, // 36
- ADC1_IRQHandler, // 37
- SSP0_IRQHandler, // 38
- SSP1_IRQHandler, // 39
- UART0_IRQHandler, // 40
- UART1_IRQHandler, // 41
- UART2_IRQHandler, // 42
- UART3_IRQHandler, // 43
- I2S0_IRQHandler, // 44
- I2S1_IRQHandler, // 45
- SPIFI_IRQHandler, // 46
- SGPIO_IRQHandler, // 47
- GPIO0_IRQHandler, // 48
- GPIO1_IRQHandler, // 49
- GPIO2_IRQHandler, // 50
- GPIO3_IRQHandler, // 51
- GPIO4_IRQHandler, // 52
- GPIO5_IRQHandler, // 53
- GPIO6_IRQHandler, // 54
- GPIO7_IRQHandler, // 55
- GINT0_IRQHandler, // 56
- GINT1_IRQHandler, // 57
- EVRT_IRQHandler, // 58
- CAN1_IRQHandler, // 59
- 0, // 60
- VADC_IRQHandler, // 61
- ATIMER_IRQHandler, // 62
- RTC_IRQHandler, // 63
- 0, // 64
- WDT_IRQHandler, // 65
- M0s_IRQHandler, // 66
- CAN0_IRQHandler, // 67
- QEI_IRQHandler, // 68
- };
-
-//*****************************************************************************
-// 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) {
-
-// *************************************************************
-// The following conditional block of code manually resets as
-// much of the peripheral set of the LPC43 as possible. This is
-// done because the LPC43 does not provide a means of triggering
-// a full system reset under debugger control, which can cause
-// problems in certain circumstances when debugging.
-//
-// You can prevent this code block being included if you require
-// (for example when creating a final executable which you will
-// not debug) by setting the define 'DONT_RESET_ON_RESTART'.
-//
-#ifndef DONT_RESET_ON_RESTART
-
- // Disable interrupts
- __asm volatile ("cpsid i");
- // equivalent to CMSIS '__disable_irq()' function
-
- unsigned int *RESET_CONTROL = (unsigned int *) 0x40053100;
- // LPC_RGU->RESET_CTRL0 @ 0x40053100
- // LPC_RGU->RESET_CTRL1 @ 0x40053104
- // Note that we do not use the CMSIS register access mechanism,
- // as there is no guarantee that the project has been configured
- // to use CMSIS.
-
- // Write to LPC_RGU->RESET_CTRL0
- *(RESET_CONTROL+0) = 0x10DF0000;
- // GPIO_RST|AES_RST|ETHERNET_RST|SDIO_RST|DMA_RST|
- // USB1_RST|USB0_RST|LCD_RST
-
- // Write to LPC_RGU->RESET_CTRL1
- *(RESET_CONTROL+1) = 0x01DFF7FF;
- // M0APP_RST|CAN0_RST|CAN1_RST|I2S_RST|SSP1_RST|SSP0_RST|
- // I2C1_RST|I2C0_RST|UART3_RST|UART1_RST|UART1_RST|UART0_RST|
- // DAC_RST|ADC1_RST|ADC0_RST|QEI_RST|MOTOCONPWM_RST|SCT_RST|
- // RITIMER_RST|TIMER3_RST|TIMER2_RST|TIMER1_RST|TIMER0_RST
-
- // Clear all pending interrupts in the NVIC
- volatile unsigned int *NVIC_ICPR = (unsigned int *) 0xE000E280;
- unsigned int irqpendloop;
- for (irqpendloop = 0; irqpendloop < 8; irqpendloop++) {
- *(NVIC_ICPR+irqpendloop)= 0xFFFFFFFF;
- }
-
- // Reenable interrupts
- __asm volatile ("cpsie i");
- // equivalent to CMSIS '__enable_irq()' function
-
-#endif // ifndef DONT_RESET_ON_RESTART
-// *************************************************************
-
-
- //
- // Copy the data sections from flash to SRAM.
- //
- unsigned int LoadAddr, ExeAddr, SectionLen;
- unsigned int *SectionTableAddr;
-
- // 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 (__VFP_FP__) && !defined (__SOFTFP__)
-/*
- * Code to enable the Cortex-M4 FPU only included
- * if appropriate build options have been selected.
- * Code taken from Section 7.1, Cortex-M4 TRM (DDI0439C)
- */
- // CPACR is located at address 0xE000ED88
- asm("LDR.W R0, =0xE000ED88");
- // Read CPACR
- asm("LDR R1, [R0]");
- // Set bits 20-23 to enable CP10 and CP11 coprocessors
- asm(" ORR R1, R1, #(0xF << 20)");
- // Write back the modified value to the CPACR
- asm("STR R1, [R0]");
-#endif // (__VFP_FP__) && !(__SOFTFP__)
-
- // ******************************
- // Check to see if we are running the code from a non-zero
- // address (eg RAM, external flash), in which case we need
- // to modify the VTOR register to tell the CPU that the
- // vector table is located at a non-0x0 address.
-
- // Note that we do not use the CMSIS register access mechanism,
- // as there is no guarantee that the project has been configured
- // to use CMSIS.
- unsigned int * pSCB_VTOR = (unsigned int *) 0xE000ED08;
- if ((unsigned int *)g_pfnVectors!=(unsigned int *) 0x00000000) {
- // CMSIS : SCB->VTOR = <address of vector table>
- *pSCB_VTOR = (unsigned int)g_pfnVectors;
- }
-
-#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) {
- ;
- }
-}
-
-//*****************************************************************************
-// 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)
- {
- }
-}
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