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authorbnewbold <bnewbold@robocracy.org>2010-07-20 15:34:22 -0400
committerbnewbold <bnewbold@robocracy.org>2010-07-20 15:37:44 -0400
commit895d2a48fa30fa3fb3d6897834f838e25f8a2c58 (patch)
tree46f400e30d5388fdff87540d07bd43156bbac008 /examples
parent94fa3a7705bd67f9ec39da16016182362e3756a0 (diff)
downloadlibrambutan-895d2a48fa30fa3fb3d6897834f838e25f8a2c58.tar.gz
librambutan-895d2a48fa30fa3fb3d6897834f838e25f8a2c58.zip
wirish implementation of timers plus test
Diffstat (limited to 'examples')
-rw-r--r--examples/test-timers.cpp136
1 files changed, 133 insertions, 3 deletions
diff --git a/examples/test-timers.cpp b/examples/test-timers.cpp
index 374b903..9b1efc6 100644
--- a/examples/test-timers.cpp
+++ b/examples/test-timers.cpp
@@ -11,6 +11,9 @@ void handler2(void);
void handler3(void);
void handler4(void);
+void handler3b(void);
+void handler4b(void);
+
int toggle = 0;
int t;
@@ -34,7 +37,7 @@ void setup()
/* Set up the LED to blink */
pinMode(LED_PIN, OUTPUT);
- pinMode(38, INPUT);
+ pinMode(38, INPUT_PULLUP);
/* Send a message out USART2 */
//SerialUSB.begin(9600);
@@ -45,15 +48,133 @@ void setup()
Timers[t].setChannel3Mode(TIMER_OUTPUTCOMPARE);
Timers[t].setChannel4Mode(TIMER_OUTPUTCOMPARE);
}
+
+ // Wait for user to attach...
+ delay(2000);
}
void loop() {
+ SerialUSB.println("-----------------------------------------------------");
+ SerialUSB.println("Testing Pause/Resume; button roughly controls Timer4");
+ count3 = 0;
+ count4 = 0;
+ Timer3.setChannel1Mode(TIMER_OUTPUTCOMPARE);
+ Timer4.setChannel1Mode(TIMER_OUTPUTCOMPARE);
+ Timer3.pause();
+ Timer4.pause();
+ Timer3.setCount(0);
+ Timer4.setCount(0);
+ Timer3.setOverflow(30000);
+ Timer4.setOverflow(30000);
+ Timer3.setCompare1(1000);
+ Timer4.setCompare1(1000);
+ Timer3.attachCompare1Interrupt(handler3b);
+ Timer4.attachCompare1Interrupt(handler4b);
+ Timer3.resume();
+ Timer4.resume();
+ SerialUSB.println("~4 seconds...");
+ for(int i = 0; i<4000; i++) {
+ if(digitalRead(38)) {
+ Timer4.pause();
+ } else {
+ Timer4.resume();
+ }
+ delay(1);
+ }
+ Timer3.setChannel1Mode(TIMER_DISABLED);
+ Timer4.setChannel1Mode(TIMER_DISABLED);
+ SerialUSB.print("Count3: "); SerialUSB.println(count3);
+ SerialUSB.print("Count4: "); SerialUSB.println(count4);
+
+ SerialUSB.println("-----------------------------------------------------");
+ SerialUSB.println("Testing setPeriod");
+ Timer4.setChannel1Mode(TIMER_OUTPUTCOMPARE);
+ Timer4.setCompare1(1);
+ Timer4.setPeriod(10);
+ Timer4.pause();
+ Timer4.setCount(0);
+ Timer4.attachCompare1Interrupt(handler4b);
+ SerialUSB.println("Period 10ms, wait 2 seconds...");
+ count4 = 0;
+ Timer4.resume();
+ delay(2000);
+ Timer4.pause();
+ Timer4.setChannel1Mode(TIMER_DISABLED);
+ SerialUSB.print("Count4: "); SerialUSB.println(count4);
+ SerialUSB.println("(should be around 2sec/10ms = 200000)");
+ Timer4.setChannel1Mode(TIMER_OUTPUTCOMPARE);
+ Timer4.setCompare1(1);
+ Timer4.pause();
+ Timer4.setPeriod(30000);
+ Timer4.setCount(0);
+ Timer4.attachCompare1Interrupt(handler4b);
+ SerialUSB.println("Period 30000ms, wait 2 seconds...");
+ count4 = 0;
+ Timer4.resume();
+ delay(2000);
+ Timer4.pause();
+ Timer4.setChannel1Mode(TIMER_DISABLED);
+ SerialUSB.print("Count4: "); SerialUSB.println(count4);
+ SerialUSB.println("(should be around 2sec/30000ms ~ 67)");
+
+ Timer4.setChannel1Mode(TIMER_OUTPUTCOMPARE);
+ Timer4.setPeriod(300000);
+ Timer4.setCompare1(1);
+ Timer4.pause();
+ Timer4.setCount(0);
+ Timer4.attachCompare1Interrupt(handler4b);
+ SerialUSB.println("Period 300000ms, wait 2 seconds...");
+ count4 = 0;
+ Timer4.resume();
+ delay(2000);
+ Timer4.pause();
+ Timer4.setChannel1Mode(TIMER_DISABLED);
+ SerialUSB.print("Count4: "); SerialUSB.println(count4);
+ SerialUSB.println("(should be around 2sec/300000ms ~ 6.7)");
+
+ Timer4.setChannel1Mode(TIMER_OUTPUTCOMPARE);
+ Timer4.setPrescaleFactor(33);
+ Timer4.setOverflow(65454);
+ Timer4.pause();
+ Timer4.setCount(0);
+ Timer4.setCompare1(1);
+ Timer4.attachCompare1Interrupt(handler4b);
+ SerialUSB.println("Period 30000ms, wait 2 seconds...");
+ count4 = 0;
+ Timer4.resume();
+ delay(2000);
+ Timer4.pause();
+ Timer4.setChannel1Mode(TIMER_DISABLED);
+ SerialUSB.print("Count4: "); SerialUSB.println(count4);
+ SerialUSB.println("(should be around 2sec/30000ms ~ 67)");
+
+ Timer4.setChannel1Mode(TIMER_OUTPUTCOMPARE);
+ Timer4.setCompare1(1);
+ Timer4.setPeriod(30000);
+ Timer4.pause();
+ Timer4.setCount(0);
+ Timer4.attachCompare1Interrupt(handler4b);
+ SerialUSB.println("Period 30000ms, wait 2 seconds...");
+ count4 = 0;
+ Timer4.resume();
+ delay(2000);
+ Timer4.pause();
+ Timer4.setChannel1Mode(TIMER_DISABLED);
+ SerialUSB.print("Count4: "); SerialUSB.println(count4);
+ SerialUSB.println("(should be around 2sec/30000ms ~ 67)");
+
for(t=0; t<4; t++) {
toggle ^= 1; digitalWrite(LED_PIN, toggle);
- delay(1000);
+ delay(100);
SerialUSB.println("-----------------------------------------------------");
SerialUSB.print("Testing Timer "); SerialUSB.println(t+1);
count1 = count2 = count3 = count4 = 0;
+ Timers[t].setOverflow(0xFFFF);
+ Timers[t].setPrescaleFactor(1);
+ Timers[t].setCompare1(65535);
+ Timers[t].setCompare2(65535);
+ Timers[t].setCompare3(65535);
+ Timers[t].setCompare4(65535);
Timers[t].setChannel1Mode(TIMER_OUTPUTCOMPARE);
Timers[t].setChannel2Mode(TIMER_OUTPUTCOMPARE);
Timers[t].setChannel3Mode(TIMER_OUTPUTCOMPARE);
@@ -62,7 +183,8 @@ void loop() {
Timers[t].attachCompare2Interrupt(handler2);
Timers[t].attachCompare3Interrupt(handler3);
Timers[t].attachCompare4Interrupt(handler4);
- delay(5000);
+ Timers[t].resume();
+ delay(3000);
Timers[t].setChannel1Mode(TIMER_DISABLED);
Timers[t].setChannel2Mode(TIMER_DISABLED);
Timers[t].setChannel3Mode(TIMER_DISABLED);
@@ -72,6 +194,7 @@ void loop() {
SerialUSB.print("Count3: "); SerialUSB.println(count3);
SerialUSB.print("Count4: "); SerialUSB.println(count4);
}
+
}
void handler1(void) {
@@ -95,6 +218,13 @@ void handler4(void) {
count4++;
}
+void handler3b(void) {
+ count3++;
+}
+void handler4b(void) {
+ count4++;
+}
+
int main(void) {
init();