Šolski center Kranj / Mbed 2 deprecated 004-timer

Program which demonstrates the usage of the TIMER peripheral. Program sets TIMER 2 to blink the LED on the pin P0.9. This is a more sophisticated way of blinking an LED.

Dependencies:   mbed

main.c@0:e83c998e1cfd, 2015-05-02 (annotated)

Committer:
71GA
Date:
Sat May 02 17:25:32 2015 +0000
Revision:
0:e83c998e1cfd
First commit of this program.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
71GA 0:e83c998e1cfd 1 #include "LPC4088-ioconfig.h"
71GA 0:e83c998e1cfd 2 #include "LPC4088-gpio.h"
71GA 0:e83c998e1cfd 3 #include "LPC4088-timer.h"
71GA 0:e83c998e1cfd 4 #include "LPC4088-system.h"
71GA 0:e83c998e1cfd 5
71GA 0:e83c998e1cfd 6 int main(){
71GA 0:e83c998e1cfd 7
71GA 0:e83c998e1cfd 8 //omogocimo timer 2, ki ob zagonu ni prizgan tako kot timerja 0,1
71GA 0:e83c998e1cfd 9 PCONP = (PCONP | (1<<22));
71GA 0:e83c998e1cfd 10
71GA 0:e83c998e1cfd 11 //timer 2 izhod MAT3 preusmerimo na pin P0_9
71GA 0:e83c998e1cfd 12 IOCON_P0_9 = (IOCON_P0_9 & !(0x7FF));
71GA 0:e83c998e1cfd 13 IOCON_P0_9 = (IOCON_P0_9 | 0x183);
71GA 0:e83c998e1cfd 14
71GA 0:e83c998e1cfd 15 //resetiramo vse interrupte za timer 2
71GA 0:e83c998e1cfd 16 IR = (IR | 0x3F);
71GA 0:e83c998e1cfd 17
71GA 0:e83c998e1cfd 18 //nastavimo izhod MAT3 na "toggle"
71GA 0:e83c998e1cfd 19 EMR = (EMR | (0x3<<10));
71GA 0:e83c998e1cfd 20
71GA 0:e83c998e1cfd 21 //match register 3 nastavimo na 1/4 najvecje vrednosti timerja 2
71GA 0:e83c998e1cfd 22 MR1 = 0x3FFFFFFF;
71GA 0:e83c998e1cfd 23
71GA 0:e83c998e1cfd 24 //omogocimo timer 2
71GA 0:e83c998e1cfd 25 TCR = (TCR | (1<<0));
71GA 0:e83c998e1cfd 26
71GA 0:e83c998e1cfd 27 while(1);
71GA 0:e83c998e1cfd 28
71GA 0:e83c998e1cfd 29 }