Frank 26080115 / LPC1700CMSIS_Examples

These are the examples provided for [[/users/frank26080115/libraries/LPC1700CMSIS_Lib/]] Note, the entire "program" is not compilable!

EMAC/uIP/lpc17xx_port/clock-arch.c

Committer:
frank26080115
Date:
2011-03-20
Revision:
0:bf7b9fba3924

File content as of revision 0:bf7b9fba3924:

#include "clock-arch.h"
#include "LPC17xx.h"

__IO clock_time_t Ticks;

#define LED_PIN 	(1<<6)

/* SysTick timer interrupt  handler */
void SysTick_Handler (void)
{
	++Ticks;
	if (!(Ticks & 0x07)){
		LPC_GPIO2->FIOPIN ^= LED_PIN;
	}
}

/* Timer init */
void clock_init(void)
{
	Ticks = 0;

	// NXP: Initialize System tick timer
	// Generate interrupt each SYSTICK_PERIOD microsecond
	if (SysTick_Config((SystemCoreClock/CLOCK_CONF_SECOND))){
		// Capture error
		while (1);
	}
}

/* returned The current clock time, measured in system ticks */
clock_time_t clock_time(void)
{
  return(Ticks);
}