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

Revision:
3:23f3f69678be
Parent:
2:6b5d2029ec07
Child:
4:0ae9bda1e421
--- a/main.cpp	Sat Nov 09 13:30:11 2013 +0000
+++ b/main.cpp	Sat Nov 09 15:53:14 2013 +0000
@@ -1,17 +1,21 @@
 #include "mbed.h"
 // naked LPC1114 on breadboard
 DigitalOut myled(dp28);  // LED connect to P0_7 (pin 28)
-Serial uart(dp16, dp15); // UART connect to P1_7: TX (pin 16), P1_6: RX (pin 15) 
+Serial uart(dp16, dp15); // UART connect to P1_7: TX (pin 16), P1_6: RX (pin 15)
+PwmOut pwm(dp1);         // PWM connect to P0_8: CT16B0_MAT0 (pin1) provisional, blocking SPI! (MISO) 
 
 int main() {
-char c = '0';   
+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%
     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
     wait(0.5);
     uart.puts(" Hello world.\n\r");  // Put String "Hello..."
     }