LED and key program notes

*** uV4 and J-Link setting ***

Target device - LPC1114x301

Flash setting = Cortex-M/R J-LINK/J-TRACE

Flash device size - LPC11xx/13xx IAP 32kB Flash



*** LED Testing *** 

#include "lpc1114.h"
#include "typedef.h"

#define LED1 (1 << 4)
#define LED2 (1 << 5)
#define LED3 (1 << 6)
#define LED4 (1 << 7)

void Delay (uint32 nCount)
  {
  for(; nCount != 0; nCount--);
  }

void led_on(uint32 num)
  {
  GPIO2DATA_ALL &= ~num; 
  }

void gpio_dir_set(uint32 num)
  {
  GPIO2DIR |= num;
  }

void led_off(uint32 num)
  {
  GPIO2DATA_ALL |= num; 
  }



*** Key Test ***

#include "lpc1114.h"
#include "typedef.h"

#define LED1 (1 << 9) //PIO1_9
#define LED2 (1 << 10) //PIO1_10

#define KEY1 (1 << 0) //PIO1_0
#define KEY2 (1 << 1) //PIO1_1

void led_on(uint32 num)
  {
  GPIO1DATA_ALL &= ~num; 
  }

void gpio_dir_set(uint32 num)
  {
  GPIO1DIR |= num;
  }

void led_off(uint32 num)
  {
  GPIO1DATA_ALL |= num; 
  }

int main(void)
  {
  gpio_dir_set( LED1 | LED2 );
  led_off( LED1 | LED2 );

  while(1)
    {
    if( (GPIO1DATA_ALL & KEY1) != KEY1 ) 
      {
      led_on( LED1 | LED2 );
      }
    if( (GPIO1DATA_ALL & KEY2) != KEY2 ) 
      { 
      led_off( LED1 | LED2 );
      }
    }
  }


#include <LPC11xx.h> /* LPC11xx Peripheral Registers */
#include "system_LPC11xx.h"

#define LED       (1<<9)      /* LED D1 connect to PIO1_9 */

int main(void)
{
LPC_SYSCON ->SYSAHBCLKCTRL |= (1 << 8); // Enable Clock for TMR1
LPC_IOCON ->PIO1_9 |= (1 << 0); // PIN1_9 = CT16B1_MAT0
LPC_TMR16B1 ->MR0 = 2000; // 50% Duty Cycle
LPC_TMR16B1 ->PR = 12000;
LPC_TMR16B1 ->MR3 = 4000; // Cycle Length
LPC_TMR16B1 ->MCR |= (1 << 10); // TC Reset on MR3 Match
LPC_TMR16B1 ->PWMC |= (1 << 0); // PWM Mode
LPC_TMR16B1 ->TCR |= (1 << 0); // GO
while (1);

// unreachable
return 0;

}

.END