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Diffstat (limited to 'examples/test-timers.cpp')
-rw-r--r-- | examples/test-timers.cpp | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/examples/test-timers.cpp b/examples/test-timers.cpp new file mode 100644 index 0000000..c3e3cb9 --- /dev/null +++ b/examples/test-timers.cpp @@ -0,0 +1,174 @@ +// 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; +} |