Jan Ostman
Published

Catweazle Mini

The smallest ARM Cortex M0+ board in the world

Full instructions provided6,735
Catweazle Mini

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Code

the_arduino_blink_example.cpp

C/C++
the_arduino_blink_example.cpp
//**************************************************************************/
//    CatWeazle main.c with Arduino style definitions
//**************************************************************************/

#include "LPC8xx.h"
#include "gpio.h"
#include "mrt.h"
#define INPUT 0
#define OUTPUT 1
#define HIGH 1
#define LOW 0

void pinMode(uint8_t pin, uint8_t mode) {
 if (mode==1) {
	 LPC_GPIO_PORT->DIR0 |= (1 << pin);
 }
 else {
	 LPC_GPIO_PORT->DIR0 &= (0xffffffff-(1 << pin));
 }
}

void digitalWrite(uint8_t pin, uint8_t mode) {
	if (mode==1) {
		LPC_GPIO_PORT->SET0 = 1 << pin;
	 }
	 else {
		LPC_GPIO_PORT->CLR0 = 1 << pin;
	 }
}

void delay(uint32_t millis) {
	mrtDelay(millis);
}



//-------------------------- Arduino section --------------------------------
/*
  Blink
  Turns on an LED on for one second, then off for one second, repeatedly.

  This example code is in the public domain.
 */

// Pin 13 has an LED connected on most Arduino boards.
// give it a name:
int led = 2;

// the setup routine runs once when you press reset:
void setup() {
  // initialize the digital pin as an output.
  pinMode(led, OUTPUT);
}

// the loop routine runs over and over again forever:
void loop() {
  digitalWrite(led, HIGH);   // turn the LED on (HIGH is the voltage level)
  delay(1000);               // wait for a second
  digitalWrite(led, LOW);    // turn the LED off by making the voltage LOW
  delay(1000);               // wait for a second
}

//-------------------------------------------------------------------------------------------



int main(void)
{
  /* Initialise the GPIO block */
  gpioInit();
  /* Configure the multi-rate timer for 1ms ticks */
  mrtInit(__SYSTEM_CLOCK/1000);
  LPC_SWM->PINENABLE0 = 0xffffffffUL; //All 6 GPIO enabled
  setup();
  while(1)
  {
      loop();
  }
}

Credits

Jan Ostman

Jan Ostman

34 projects • 161 followers
I'm an embeddeds wizard that can turn any pile of electronic junk to something really great. Mc Gyver style.

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