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// Sample main.cpp file. Blinks an LED, sends a message out USART2
// and turns on PWM on pin 2
#include "wirish.h"
#include "timers.h"
#define LED_PIN 13
#define PWM_PIN 2
void handler1(void);
void handler2(void);
void handler3(void);
void handler4(void);
void setup_test_timer(void);
int toggle = 0;
int timer = 1;
int state = 3;
int last_but = 0;
int count1 = 0;
int count2 = 0;
int count3 = 0;
int count4 = 0;
uint16 rate1 = 1000;
uint16 rate2 = 2000;
uint16 rate3 = 3000;
uint16 rate4 = 4000;
uint16 val1 = 10000;
uint16 val2 = 10000;
uint16 val3 = 10000;
uint16 val4 = 10000;
void setup()
{
/* Set up the LED to blink */
pinMode(LED_PIN, OUTPUT);
pinMode(38, INPUT);
/* Send a message out USART2 */
//SerialUSB.begin(9600);
SerialUSB.println("Begining timer test...");
/* Send a message out the usb virtual serial port */
//SerialUSB.println("Hello!");
timer = 1;
setup_test_timer();
}
void loop() {
toggle ^= 1;
digitalWrite(LED_PIN, toggle);
delay(800);
if(digitalRead(38) && !last_but) {
state++;
switch(state){
case 1:
SerialUSB.println("Testing Timer1 ---------------------------");
timer = 1;
setup_test_timer();
break;
case 2:
SerialUSB.println("Testing Timer2 ---------------------------");
timer_set_mode(timer,1,TIMER_DISABLED);
timer_set_mode(timer,2,TIMER_DISABLED);
timer_set_mode(timer,3,TIMER_DISABLED);
timer_set_mode(timer,4,TIMER_DISABLED);
timer_set_count(1,0);
timer_set_count(2,0);
timer_set_count(3,0);
timer_set_count(4,0);
timer = 2;
setup_test_timer();
break;
case 3:
SerialUSB.println("Testing Timer3 ---------------------------");
timer_set_mode(timer,1,TIMER_DISABLED);
timer_set_mode(timer,2,TIMER_DISABLED);
timer_set_mode(timer,3,TIMER_DISABLED);
timer_set_mode(timer,4,TIMER_DISABLED);
timer = 3;
setup_test_timer();
break;
case 4:
SerialUSB.println("Testing Timer4 ---------------------------");
timer_set_mode(timer,1,TIMER_DISABLED);
timer_set_mode(timer,2,TIMER_DISABLED);
timer_set_mode(timer,3,TIMER_DISABLED);
timer_set_mode(timer,4,TIMER_DISABLED);
timer = 4;
setup_test_timer();
break;
default:
state = 0;
timer_set_mode(timer,1,TIMER_DISABLED);
timer_set_mode(timer,2,TIMER_DISABLED);
timer_set_mode(timer,3,TIMER_DISABLED);
timer_set_mode(timer,4,TIMER_DISABLED);
timer = 0;
SerialUSB.println("Restarting -------------------------------");
}
}
SerialUSB.print("Doing ------------------ "); SerialUSB.println(timer,DEC);
if(timer!=0) { SerialUSB.print("CNT: "); SerialUSB.println(timer_get_count(timer),DEC); }
SerialUSB.print("Count1 : "); SerialUSB.println(count1,DEC);
SerialUSB.print("Count2 : "); SerialUSB.println(count2,DEC);
SerialUSB.print("Count3 : "); SerialUSB.println(count3,DEC);
SerialUSB.print("Count4 : "); SerialUSB.println(count4,DEC);
SerialUSB.println();
/*
SerialUSB.print("Status : "); SerialUSB.println(get_sr(),HEX);
*/
last_but = digitalRead(38);
}
void setup_test_timer(void) {
timer_set_prescaler(timer,10000);
timer_set_mode(timer,1,TIMER_OUTPUTCOMPARE);
timer_set_mode(timer,2,TIMER_OUTPUTCOMPARE);
timer_set_mode(timer,3,TIMER_OUTPUTCOMPARE);
timer_set_mode(timer,4,TIMER_OUTPUTCOMPARE);
val1 = val2 = val3 = val4 = 10000;
timer_set_compare_value(timer,1,val1);
timer_set_compare_value(timer,2,val2);
timer_set_compare_value(timer,3,val3);
timer_set_compare_value(timer,4,val4);
timer_attach_interrupt(timer,1,handler1);
timer_attach_interrupt(timer,2,handler2);
timer_attach_interrupt(timer,3,handler3);
timer_attach_interrupt(timer,4,handler4);
count1 = count2 = count3 = count4 = 0;
}
void handler1(void) {
val1 += rate1;
timer_set_compare_value(timer,1,val1);
count1++;
//SerialUSB.print("CC3 Inter: "); SerialUSB.print(get_sr(),HEX);
// SerialUSB.print(", "); SerialUSB.println(get_sr_buff(),HEX);
}
void handler2(void) {
val2 += rate2;
timer_set_compare_value(timer,2,val2);
count2++;
}
void handler3(void) {
val3 += rate3;
timer_set_compare_value(timer,3,val3);
count3++;
}
void handler4(void) {
val4 += rate4;
timer_set_compare_value(timer,4,val4);
count4++;
}
int main(void) {
init();
setup();
while (1) {
loop();
}
return 0;
}
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