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@3:23f3f69678be, 2013-11-09 (annotated)

Committer:
psimik
Date:
Sat Nov 09 15:53:14 2013 +0000
Revision:
3:23f3f69678be
Parent:
2:6b5d2029ec07
Child:
4:0ae9bda1e421
Append PWM test, connect piezo-buzzer on pin1.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sdizdarevic 0:15ea674d67d9 1 #include "mbed.h"
psimik 1:8aecb799ae5e 2 // naked LPC1114 on breadboard
psimik 1:8aecb799ae5e 3 DigitalOut myled(dp28); // LED connect to P0_7 (pin 28)
psimik 3:23f3f69678be 4 Serial uart(dp16, dp15); // UART connect to P1_7: TX (pin 16), P1_6: RX (pin 15)
psimik 3:23f3f69678be 5 PwmOut pwm(dp1); // PWM connect to P0_8: CT16B0_MAT0 (pin1) provisional, blocking SPI! (MISO)
sdizdarevic 0:15ea674d67d9 6
sdizdarevic 0:15ea674d67d9 7 int main() {
psimik 3:23f3f69678be 8 char c = '0';
psimik 3:23f3f69678be 9 pwm.period(0.001); // PWM period 1ms (1kHz)
psimik 1:8aecb799ae5e 10 uart.baud(115200); // Baud rate
psimik 1:8aecb799ae5e 11 uart.puts("Start.\n\r");
psimik 1:8aecb799ae5e 12 while(1) { // repeat (period 1sec)
psimik 1:8aecb799ae5e 13 myled = 0; // LED on
psimik 3:23f3f69678be 14 pwm = 0.5; // PWM duty cycle 50%
psimik 1:8aecb799ae5e 15 wait(0.5);
psimik 2:6b5d2029ec07 16 uart.putc(c++); if (c > '9') c = '0'; // Put Character & rotate 0,1,2,... 9
psimik 1:8aecb799ae5e 17 myled = 1; // LED off
psimik 3:23f3f69678be 18 pwm = 0; // PWM stop
psimik 1:8aecb799ae5e 19 wait(0.5);
psimik 1:8aecb799ae5e 20 uart.puts(" Hello world.\n\r"); // Put String "Hello..."
sdizdarevic 0:15ea674d67d9 21 }
sdizdarevic 0:15ea674d67d9 22 }