Pavel Šimík / Mbed 2 deprecated lpc1114uart

First test on using mbed library with naked LPC1114 chip on breadboard. Blink LED pin 28, append UART test, procedure putc(), puts(), PWM beep 1kHz on pin 1.

Dependencies:   mbed

Fork of lpc1114test by Saudin Dizdarevic

main.cpp

Committer:
psimik
Date:
2013-11-09
Revision:
6:01a61ae34a8a
Parent:
5:051be37cfef7

File content as of revision 6:01a61ae34a8a:

#include "mbed.h"
// naked LPC1114 on breadboard, install LED pin28, pasive piezo-buzzer pin1
DigitalOut myled(dp28);  // LED ... P0_7 (pin 28)
Serial uart(dp16, dp15); // UART .. P1_7: TX (pin 16), P1_6: RX (pin 15)
PwmOut pwm(dp1);         // PWM ... P0_8: CT16B0_MAT0 (pin1); sorry, blocking SPI!  

int main() {
char c = '0';
  pwm.period(0.001);  // PWM period 1ms (1kHz)   
  uart.baud(115200);  // Baud rate
  uart.puts("Start.\n\r");
  while(1) {    // repeat (period 1sec)
    myled = 0;  // LED on
    pwm = 0.5;  // PWM duty cycle 50%, tone 1kHz
    wait(0.5);
    uart.putc(c++); if (c > '9') c = '0';  // Put Character & rotate 0,1,2,... 9
    myled = 1;  // LED off
    pwm = 0;    // PWM stop, silent
    wait(0.5);
    uart.puts(" Hello world.\n\r");  // Put String "Hello..."
    }
}