void setPortPinDirection01(LPC_GPIO_TypeDef *gpio_struct_ptr, int pinNumber)
.END
// ****************************************************************************
// Program - Blinky
// Description - Blink LED
// Author - TL Fong
// Version - 0.42
// Date - 2013jul12hkt2144
// License - Free
// Hardware - Somy ARM Cortex M0 LPC1114/301 Learning Board
// Software - Keil uVision 4.71.2.0 ARM CC
// Method - Incremental testing
// Hardware configuration notes
// 1. LED1 is connected to PIO1-8
// ****************************************************************************
#include <stdio.h>
#include "LPC11xx.h"
#include "timer.h"
void setPortPinDirection(int portNumber, int pinNumber)
{
LPC_GPIO_TypeDef *gpio_struct_ptr;
gpio_struct_ptr = LPC_GPIO1;
switch( portNumber )
{
case 1:
// The following 4 statements do the same thing.
// LPC_GPIO1->DIR |= (1 << pinNumber);
// (*LPC_GPIO1).DIR |= (1 << pinNumber);
// (*gpio_struct_ptr).DIR |= (1 << pinNumber);
// gpio_struct_ptr->DIR |= (1 << pinNumber);
gpio_struct_ptr->DIR |= (1 << pinNumber);
break;
case 2:
LPC_GPIO2->DIR |= (1 << pinNumber);
break;
default:
break;
}
}
void setPortPinDirection01(LPC_GPIO_TypeDef *gpio_struct_ptr, int pinNumber)
{
gpio_struct_ptr->DIR |= (1 << pinNumber);
}
void setPortPinValue(int portNumber, int pinNumber, int pinValue)
{
switch( portNumber )
{
case 1:
if (pinValue == 1)
LPC_GPIO1->DATA &= ~(1 << pinNumber);
else
LPC_GPIO1->DATA |= (1 << pinNumber);
break;
case 2:
;
break;
default:
break;
}
}
void blinkLed(int ledNumber, int onTime, int offTime, int blinkCount)
{
int count;
switch( ledNumber )
{
case 1:
setPortPinDirection(1, 8);
for (count = 0; count < blinkCount; count--)
{
setPortPinValue(1, 8, 0);
delayTenthSecond(onTime);
setPortPinValue(1, 8, 1);
delayTenthSecond(offTime);
}
break;
case 2:
;
break;
default:
break;
}
}
int main()
{
setPortPinDirection01(LPC_GPIO1, 8);
blinkLed(1, 5, 10, 20); // Led 1, off 0.5 sec, on 1 sec, blink 20 times
}
// ****************************************************************************
// End of Program
// ****************************************************************************
.END
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