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Adding basic board repos, main
This commit is contained in:
Vasily Davydov
2022-09-14 11:05:10 +03:00
parent 930c9a508b
commit 25545eb2ea
125 changed files with 27444 additions and 0 deletions
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16
periph_blinky/example/readme.txt Normal file
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LPC15xx Simple blinky example
Example description:
--------------------
The blinky example flashes an LED in a periodic rate.
Special connection requirements:
--------------------------------
There are no special connection requirements for this example.
Build procedures:
-----------------
Visit the LPCOpen quickstart guides to get started building LPCOpen projects.
[Link: http://www.lpcware.com/content/project/lpcopen-platform-nxp-lpc-microcontrollers/lpcopen-v200-quickstart-guides]

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periph_blinky/example/src/cr_startup_lpc15xx.c Normal file
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//*****************************************************************************
// LPC15xx Microcontroller Startup code for use with LPCXpresso IDE
//
// Version : 150305
//*****************************************************************************
//
// Copyright(C) NXP Semiconductors, 2014-15
// All rights reserved.
//
// Software that is described herein is for illustrative purposes only
// which provides customers with programming information regarding the
// LPC products. This software is supplied "AS IS" without any warranties of
// any kind, and NXP Semiconductors and its licensor disclaim any and
// all warranties, express or implied, including all implied warranties of
// merchantability, fitness for a particular purpose and non-infringement of
// intellectual property rights. NXP Semiconductors assumes no responsibility
// or liability for the use of the software, conveys no license or rights under any
// patent, copyright, mask work right, or any other intellectual property rights in
// or to any products. NXP Semiconductors reserves the right to make changes
// in the software without notification. NXP Semiconductors also makes no
// representation or warranty that such application will be suitable for the
// specified use without further testing or modification.
//
// Permission to use, copy, modify, and distribute this software and its
// documentation is hereby granted, under NXP Semiconductors' and its
// licensor's relevant copyrights in the software, without fee, provided that it
// is used in conjunction with NXP Semiconductors microcontrollers. This
// copyright, permission, and disclaimer notice must appear in all copies of
// this code.
//*****************************************************************************
#if defined (__cplusplus)
#ifdef __REDLIB__
#error Redlib does not support C++
#else
//*****************************************************************************
//
// The entry point for the C++ library startup
//
//*****************************************************************************
extern "C" {
extern void __libc_init_array(void);
}
#endif
#endif
#define WEAK __attribute__ ((weak))
#define ALIAS(f) __attribute__ ((weak, alias (#f)))
//*****************************************************************************
#if defined (__cplusplus)
extern "C" {
#endif
//*****************************************************************************
#if defined (__USE_CMSIS) || defined (__USE_LPCOPEN)
// Declaration of external SystemInit function
extern void SystemInit(void);
#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
//
//*****************************************************************************
// Note: The names used for the IRQ Handlers in the LPCXpresso LPC15xx startup
// code did not originally match those used by the LPCOpen LPC15xx packages.
// Now default to using LPCOpen IRQ Handler names. But allow the use of the
// previous names if necessary for legacy code by undefining the below symbol
#define USE_LPCOPEN_IRQHANDLER_NAMES
#if defined (USE_LPCOPEN_IRQHANDLER_NAMES)
void WDT_IRQHandler(void) ALIAS(IntDefaultHandler);
void BOD_IRQHandler(void) ALIAS(IntDefaultHandler);
void FMC_IRQHandler(void) ALIAS(IntDefaultHandler);
void EEPROM_IRQHandler(void) ALIAS(IntDefaultHandler);
void DMA_IRQHandler(void) ALIAS(IntDefaultHandler);
void GINT0_IRQHandler(void) ALIAS(IntDefaultHandler);
void GINT1_IRQHandler(void) ALIAS(IntDefaultHandler);
void PIN_INT0_IRQHandler(void) ALIAS(IntDefaultHandler);
void PIN_INT1_IRQHandler(void) ALIAS(IntDefaultHandler);
void PIN_INT2_IRQHandler(void) ALIAS(IntDefaultHandler);
void PIN_INT3_IRQHandler(void) ALIAS(IntDefaultHandler);
void PIN_INT4_IRQHandler(void) ALIAS(IntDefaultHandler);
void PIN_INT5_IRQHandler(void) ALIAS(IntDefaultHandler);
void PIN_INT6_IRQHandler(void) ALIAS(IntDefaultHandler);
void PIN_INT7_IRQHandler(void) ALIAS(IntDefaultHandler);
void RIT_IRQHandler(void) ALIAS(IntDefaultHandler);
void SCT0_IRQHandler(void) ALIAS(IntDefaultHandler);
void SCT1_IRQHandler(void) ALIAS(IntDefaultHandler);
void SCT2_IRQHandler(void) ALIAS(IntDefaultHandler);
void SCT3_IRQHandler(void) ALIAS(IntDefaultHandler);
void MRT_IRQHandler(void) ALIAS(IntDefaultHandler);
void UART0_IRQHandler(void) ALIAS(IntDefaultHandler);
void UART1_IRQHandler(void) ALIAS(IntDefaultHandler);
void UART2_IRQHandler(void) ALIAS(IntDefaultHandler);
void I2C0_IRQHandler(void) ALIAS(IntDefaultHandler);
void SPI0_IRQHandler(void) ALIAS(IntDefaultHandler);
void SPI1_IRQHandler(void) ALIAS(IntDefaultHandler);
void CAN_IRQHandler(void) ALIAS(IntDefaultHandler);
void USB_IRQHandler(void) ALIAS(IntDefaultHandler);
void USB_FIQHandler(void) ALIAS(IntDefaultHandler);
void USBWakeup_IRQHandler(void) ALIAS(IntDefaultHandler);
void ADC0A_IRQHandler(void) ALIAS(IntDefaultHandler);
void ADC0B_IRQHandler(void) ALIAS(IntDefaultHandler);
void ADC0_THCMP_IRQHandler(void) ALIAS(IntDefaultHandler);
void ADC0_OVR_IRQHandler(void) ALIAS(IntDefaultHandler);
void ADC1A_IRQHandler(void) ALIAS(IntDefaultHandler);
void ADC1B_IRQHandler(void) ALIAS(IntDefaultHandler);
void ADC1_THCMP_IRQHandler(void) ALIAS(IntDefaultHandler);
void ADC1_OVR_IRQHandler(void) ALIAS(IntDefaultHandler);
void DAC_IRQHandler(void) ALIAS(IntDefaultHandler);
void ACMP0_IRQHandler(void) ALIAS(IntDefaultHandler);
void ACMP1_IRQHandler(void) ALIAS(IntDefaultHandler);
void ACMP2_IRQHandler(void) ALIAS(IntDefaultHandler);
void ACMP3_IRQHandler(void) ALIAS(IntDefaultHandler);
void QEI_IRQHandler(void) ALIAS(IntDefaultHandler);
void RTC_ALARM_IRQHandler(void) ALIAS(IntDefaultHandler);
void RTC_WAKE_IRQHandler(void) ALIAS(IntDefaultHandler);
#else
void WDT_IRQHandler(void) ALIAS(IntDefaultHandler);
void BOD_IRQHandler(void) ALIAS(IntDefaultHandler);
void FLASH_IRQHandler(void) ALIAS(IntDefaultHandler);
void EEPROM_IRQHandler(void) ALIAS(IntDefaultHandler);
void DMA_IRQHandler(void) ALIAS(IntDefaultHandler);
void GINT0_IRQHandler(void) ALIAS(IntDefaultHandler);
void GINT1_IRQHandler(void) ALIAS(IntDefaultHandler);
void PININT0_IRQHandler(void) ALIAS(IntDefaultHandler);
void PININT1_IRQHandler(void) ALIAS(IntDefaultHandler);
void PININT2_IRQHandler(void) ALIAS(IntDefaultHandler);
void PININT3_IRQHandler(void) ALIAS(IntDefaultHandler);
void PININT4_IRQHandler(void) ALIAS(IntDefaultHandler);
void PININT5_IRQHandler(void) ALIAS(IntDefaultHandler);
void PININT6_IRQHandler(void) ALIAS(IntDefaultHandler);
void PININT7_IRQHandler(void) ALIAS(IntDefaultHandler);
void RIT_IRQHandler(void) ALIAS(IntDefaultHandler);
void SCT0_IRQHandler(void) ALIAS(IntDefaultHandler);
void SCT1_IRQHandler(void) ALIAS(IntDefaultHandler);
void SCT2_IRQHandler(void) ALIAS(IntDefaultHandler);
void SCT3_IRQHandler(void) ALIAS(IntDefaultHandler);
void MRT_IRQHandler(void) ALIAS(IntDefaultHandler);
void UART0_IRQHandler(void) ALIAS(IntDefaultHandler);
void UART1_IRQHandler(void) ALIAS(IntDefaultHandler);
void UART2_IRQHandler(void) ALIAS(IntDefaultHandler);
void I2C0_IRQHandler(void) ALIAS(IntDefaultHandler);
void SPI0_IRQHandler(void) ALIAS(IntDefaultHandler);
void SPI1_IRQHandler(void) ALIAS(IntDefaultHandler);
void CAN0_IRQHandler(void) ALIAS(IntDefaultHandler);
void USB_IRQHandler(void) ALIAS(IntDefaultHandler);
void USB_FIQHandler(void) ALIAS(IntDefaultHandler);
void USBWakeup_IRQHandler(void) ALIAS(IntDefaultHandler);
void ADC0_SEQA_IRQHandler(void) ALIAS(IntDefaultHandler);
void ADC0_SEQB_IRQHandler(void) ALIAS(IntDefaultHandler);
void ADC0_THCMP_IRQHandler(void) ALIAS(IntDefaultHandler);
void ADC0_OVR_IRQHandler(void) ALIAS(IntDefaultHandler);
void ADC1_SEQA_IRQHandler(void) ALIAS(IntDefaultHandler);
void ADC1_SEQB_IRQHandler(void) ALIAS(IntDefaultHandler);
void ADC1_THCMP_IRQHandler(void) ALIAS(IntDefaultHandler);
void ADC1_OVR_IRQHandler(void) ALIAS(IntDefaultHandler);
void DAC_IRQHandler(void) ALIAS(IntDefaultHandler);
void CMP0_IRQHandler(void) ALIAS(IntDefaultHandler);
void CMP1_IRQHandler(void) ALIAS(IntDefaultHandler);
void CMP2_IRQHandler(void) ALIAS(IntDefaultHandler);
void CMP3_IRQHandler(void) ALIAS(IntDefaultHandler);
void QEI_IRQHandler(void) ALIAS(IntDefaultHandler);
void RTC_ALARM_IRQHandler(void) ALIAS(IntDefaultHandler);
void RTC_WAKE_IRQHandler(void) ALIAS(IntDefaultHandler);
#endif
//*****************************************************************************
//
// 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__ ((used,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
SVC_Handler, // SVCall handler
DebugMon_Handler, // Debug monitor handler
0, // Reserved
PendSV_Handler, // The PendSV handler
SysTick_Handler, // The SysTick handler
// Chip Level - LPC15xx
#if defined (USE_LPCOPEN_IRQHANDLER_NAMES)
WDT_IRQHandler, // 0 - Windowed watchdog timer
BOD_IRQHandler, // 1 - BOD
FMC_IRQHandler, // 2 - Flash controller
EEPROM_IRQHandler, // 3 - EEPROM controller
DMA_IRQHandler, // 4 - DMA
GINT0_IRQHandler, // 5 - GINT0
GINT1_IRQHandler, // 6 - GINT1
PIN_INT0_IRQHandler, // 7 - PIO INT0
PIN_INT1_IRQHandler, // 8 - PIO INT1
PIN_INT2_IRQHandler, // 9 - PIO INT2
PIN_INT3_IRQHandler, // 10 - PIO INT3
PIN_INT4_IRQHandler, // 11 - PIO INT4
PIN_INT5_IRQHandler, // 12 - PIO INT5
PIN_INT6_IRQHandler, // 13 - PIO INT6
PIN_INT7_IRQHandler, // 14 - PIO INT7
RIT_IRQHandler, // 15 - RIT
SCT0_IRQHandler, // 16 - State configurable timer
SCT1_IRQHandler, // 17 - State configurable timer
SCT2_IRQHandler, // 18 - State configurable timer
SCT3_IRQHandler, // 19 - State configurable timer
MRT_IRQHandler, // 20 - Multi-Rate Timer
UART0_IRQHandler, // 21 - UART0
UART1_IRQHandler, // 22 - UART1
UART2_IRQHandler, // 23 - UART2
I2C0_IRQHandler, // 24 - I2C0 controller
SPI0_IRQHandler, // 25 - SPI0 controller
SPI1_IRQHandler, // 26 - SPI1 controller
CAN_IRQHandler, // 27 - C_CAN0
USB_IRQHandler, // 28 - USB IRQ
USB_FIQHandler, // 29 - USB FIQ
USBWakeup_IRQHandler, // 30 - USB wake-up
ADC0A_IRQHandler, // 31 - ADC0 sequence A completion
ADC0B_IRQHandler, // 32 - ADC0 sequence B completion
ADC0_THCMP_IRQHandler, // 33 - ADC0 threshold compare
ADC0_OVR_IRQHandler, // 34 - ADC0 overrun
ADC1A_IRQHandler, // 35 - ADC1 sequence A completion
ADC1B_IRQHandler, // 36 - ADC1 sequence B completion
ADC1_THCMP_IRQHandler, // 37 - ADC1 threshold compare
ADC1_OVR_IRQHandler, // 38 - ADC1 overrun
DAC_IRQHandler, // 39 - DAC
ACMP0_IRQHandler, // 40 - Analog Comparator 0
ACMP1_IRQHandler, // 41 - Analog Comparator 1
ACMP2_IRQHandler, // 42 - Analog Comparator 2
ACMP3_IRQHandler, // 43 - Analog Comparator 3
QEI_IRQHandler, // 44 - QEI
RTC_ALARM_IRQHandler, // 45 - RTC alarm
RTC_WAKE_IRQHandler, // 46 - RTC wake-up
#else
WDT_IRQHandler, // 0 - Windowed watchdog timer
BOD_IRQHandler, // 1 - BOD
FLASH_IRQHandler, // 2 - Flash controller
EEPROM_IRQHandler, // 3 - EEPROM controller
DMA_IRQHandler, // 4 - DMA
GINT0_IRQHandler, // 5 - GINT0
GINT1_IRQHandler, // 6 - GINT1
PININT0_IRQHandler, // 7 - PIO INT0
PININT1_IRQHandler, // 8 - PIO INT1
PININT2_IRQHandler, // 9 - PIO INT2
PININT3_IRQHandler, // 10 - PIO INT3
PININT4_IRQHandler, // 11 - PIO INT4
PININT5_IRQHandler, // 12 - PIO INT5
PININT6_IRQHandler, // 13 - PIO INT6
PININT7_IRQHandler, // 14 - PIO INT7
RIT_IRQHandler, // 15 - RIT
SCT0_IRQHandler, // 16 - State configurable timer
SCT1_IRQHandler, // 17 - State configurable timer
SCT2_IRQHandler, // 18 - State configurable timer
SCT3_IRQHandler, // 19 - State configurable timer
MRT_IRQHandler, // 20 - Multi-Rate Timer
UART0_IRQHandler, // 21 - UART0
UART1_IRQHandler, // 22 - UART1
UART2_IRQHandler, // 23 - UART2
I2C0_IRQHandler, // 24 - I2C0 controller
SPI0_IRQHandler, // 25 - SPI0 controller
SPI1_IRQHandler, // 26 - SPI1 controller
CAN0_IRQHandler, // 27 - C_CAN0
USB_IRQHandler, // 28 - USB IRQ
USB_FIQHandler, // 29 - USB FIQ
USBWakeup_IRQHandler, // 30 - USB wake-up
ADC0_SEQA_IRQHandler, // 31 - ADC0 sequence A completion
ADC0_SEQB_IRQHandler, // 32 - ADC0 sequence B completion
ADC0_THCMP_IRQHandler, // 33 - ADC0 threshold compare
ADC0_OVR_IRQHandler, // 34 - ADC0 overrun
ADC1_SEQA_IRQHandler, // 35 - ADC1 sequence A completion
ADC1_SEQB_IRQHandler, // 36 - ADC1 sequence B completion
ADC1_THCMP_IRQHandler, // 37 - ADC1 threshold compare
ADC1_OVR_IRQHandler, // 38 - ADC1 overrun
DAC_IRQHandler, // 39 - DAC
CMP0_IRQHandler, // 40 - Analog Comparator 0
CMP1_IRQHandler, // 41 - Analog Comparator 1
CMP2_IRQHandler, // 42 - Analog Comparator 2
CMP3_IRQHandler, // 43 - Analog Comparator 3
QEI_IRQHandler, // 44 - QEI
RTC_ALARM_IRQHandler, // 45 - RTC alarm
RTC_WAKE_IRQHandler, // 46 - RTC wake-up
#endif
}; /* End of g_pfnVectors */
//*****************************************************************************
// 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.
//*****************************************************************************
__attribute__ ((section(".after_vectors")))
void
ResetISR(void) {
//
// 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);
}
// Optionally enable Cortex-M3 SWV trace (off by default at reset)
// Note - your board support must also set up the switch matrix
// so that SWO is output on the appropriate pin for your hardware
#if !defined (DONT_ENABLE_SWVTRACECLK)
// Write 0x00000001 to TRACECLKDIV – Trace divider
volatile unsigned int *TRACECLKDIV = (unsigned int *) 0x400740D8;
*TRACECLKDIV = 1;
#endif
#if defined (__USE_CMSIS) || defined (__USE_LPCOPEN)
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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/*
* @brief Common SystemInit function for LPC15xx chips
*
* @note
* Copyright(C) NXP Semiconductors, 2013
* All rights reserved.
*
* @par
* Software that is described herein is for illustrative purposes only
* which provides customers with programming information regarding the
* LPC products. This software is supplied "AS IS" without any warranties of
* any kind, and NXP Semiconductors and its licensor disclaim any and
* all warranties, express or implied, including all implied warranties of
* merchantability, fitness for a particular purpose and non-infringement of
* intellectual property rights. NXP Semiconductors assumes no responsibility
* or liability for the use of the software, conveys no license or rights under any
* patent, copyright, mask work right, or any other intellectual property rights in
* or to any products. NXP Semiconductors reserves the right to make changes
* in the software without notification. NXP Semiconductors also makes no
* representation or warranty that such application will be suitable for the
* specified use without further testing or modification.
*
* @par
* Permission to use, copy, modify, and distribute this software and its
* documentation is hereby granted, under NXP Semiconductors' and its
* licensor's relevant copyrights in the software, without fee, provided that it
* is used in conjunction with NXP Semiconductors microcontrollers. This
* copyright, permission, and disclaimer notice must appear in all copies of
* this code.
*/
/*****************************************************************************
* Private types/enumerations/variables
****************************************************************************/
/*****************************************************************************
* Public types/enumerations/variables
****************************************************************************/
#if defined(NO_BOARD_LIB)
#include "chip.h"
const uint32_t OscRateIn = 12000000;
const uint32_t RTCOscRateIn = 32768;
#else
#include "board.h"
#endif
/*****************************************************************************
* Private functions
****************************************************************************/
/*****************************************************************************
* Public functions
****************************************************************************/
/* Set up and initialize hardware prior to call to main */
void SystemInit(void)
{
#if defined(NO_BOARD_LIB)
/* Chip specific SystemInit */
Chip_SystemInit();
#else
/* Board specific SystemInit */
Board_SystemInit();
#endif
}

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periph_blinky/example/src/systick.c Normal file
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/*
* @brief Blinky example using timers and sysTick
*
* @note
* Copyright(C) NXP Semiconductors, 2013
* All rights reserved.
*
* @par
* Software that is described herein is for illustrative purposes only
* which provides customers with programming information regarding the
* LPC products. This software is supplied "AS IS" without any warranties of
* any kind, and NXP Semiconductors and its licensor disclaim any and
* all warranties, express or implied, including all implied warranties of
* merchantability, fitness for a particular purpose and non-infringement of
* intellectual property rights. NXP Semiconductors assumes no responsibility
* or liability for the use of the software, conveys no license or rights under any
* patent, copyright, mask work right, or any other intellectual property rights in
* or to any products. NXP Semiconductors reserves the right to make changes
* in the software without notification. NXP Semiconductors also makes no
* representation or warranty that such application will be suitable for the
* specified use without further testing or modification.
*
* @par
* Permission to use, copy, modify, and distribute this software and its
* documentation is hereby granted, under NXP Semiconductors' and its
* licensor's relevant copyrights in the software, without fee, provided that it
* is used in conjunction with NXP Semiconductors microcontrollers. This
* copyright, permission, and disclaimer notice must appear in all copies of
* this code.
*/
#include "board.h"
#include <stdio.h>
/*****************************************************************************
* Private types/enumerations/variables
****************************************************************************/
#define TICKRATE_HZ1 (15) /* 15 ticks per second */
/*****************************************************************************
* Public types/enumerations/variables
****************************************************************************/
/*****************************************************************************
* Private functions
****************************************************************************/
/*****************************************************************************
* Public functions
****************************************************************************/
/**
* @brief Handle interrupt from SysTick timer
* @return Nothing
*/
void SysTick_Handler(void)
{
Board_LED_Toggle(0);
Board_LED_Toggle(1);
}
/**
* @brief main routine for blinky example
* @return Function should not exit.
*/
int main(void)
{
uint32_t sysTickRate;
SystemCoreClockUpdate();
Board_Init();
Board_LED_Set(0, false);
Board_LED_Set(1, true);
/* The sysTick counter only has 24 bits of precision, so it will
overflow quickly with a fast core clock. You can alter the
sysTick divider to generate slower sysTick clock rates. */
Chip_Clock_SetSysTickClockDiv(1);
/* A SysTick divider is present that scales the sysTick rate down
from the core clock. Using the SystemCoreClock variable as a
rate reference for the SysTick_Config() function won't work,
so get the sysTick rate by calling Chip_Clock_GetSysTickClockRate() */
sysTickRate = Chip_Clock_GetSysTickClockRate();
/* Enable and setup SysTick Timer at a periodic rate */
SysTick_Config(sysTickRate / TICKRATE_HZ1);
/* LEDs toggle in interrupt handlers */
while (1) {
__WFI();
}
return 0;
}