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[ES-Blatt2] Generalized button names

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Signed-óff-by: Jim Martens <github@2martens.de>
This commit is contained in:
Jim Martens
2015-04-22 19:13:31 +02:00
parent 1eeabad048
commit 00e8d9d908
1 changed files with 23 additions and 21 deletions
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44
es/blatt2/uebung2-1/uebung2-1.ino
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@ -2,10 +2,10 @@
// adjust them when you use other pins // adjust them when you use other pins
// hardware pin for the LED // hardware pin for the LED
int ledPin = 7; int ledPin = 7;
// hardware pin for the plus button // hardware pin for button 1
int buttonPlusPin = 5; int buttonOnePin = 5;
// hardware pin for the minus button // hardware pin for button 2
int buttonMinusPin = 3; int buttonTwoPin = 3;
// used to achieve a 1kHz frequency // used to achieve a 1kHz frequency
// don't touch them // don't touch them
@ -14,10 +14,12 @@ int rc = 10499;
// these values are used by the TC0_Handler // these values are used by the TC0_Handler
// do not write into them within the loop/setup // do not write into them within the loop/setup
// only the counter should be used within the loop // only the counter, buttonOnePressed and buttonTwoPressed should be used within the loop
int volatile counter = 0; int volatile counter = 0;
int timesPressedPlus = 0; bool volatile buttonOnePressed = false;
int timesPressedMinus = 0; bool volatile buttonTwoPressed = false;
int timesPressedOne = 0;
int timesPressedTwo = 0;
bool increased = false; bool increased = false;
bool decreased = false; bool decreased = false;
@ -42,8 +44,8 @@ void setup() {
TC_Start(TC0, 0); TC_Start(TC0, 0);
// Configure button pins for input mode // Configure button pins for input mode
pinMode(buttonPlusPin, INPUT); pinMode(buttonOnePin, INPUT);
pinMode(buttonMinusPin, INPUT); pinMode(buttonTwoPin, INPUT);
// initialize serial port // initialize serial port
Serial.begin(9600); Serial.begin(9600);
@ -90,46 +92,46 @@ void TC0_Handler()
// request static for some magic behind the curtain // request static for some magic behind the curtain
TC_GetStatus(TC0, 0); TC_GetStatus(TC0, 0);
// variables used to determine if the corresponding button is pressed // variables used to determine if the corresponding button is pressed
bool buttonPressedPlus = (digitalRead(buttonPlusPin) == LOW); bool buttonPressedOne = (digitalRead(buttonOnePin) == LOW);
bool buttonPressedMinus = (digitalRead(buttonMinusPin) == LOW); bool buttonPressedTwo = (digitalRead(buttonTwoPin) == LOW);
// handles the plus button // handles the plus button
if (buttonPressedPlus){ if (buttonPressedOne){
++timesPressedPlus; ++timesPressedOne;
} }
else { else {
if (increased) { if (increased) {
increased = false; increased = false;
} }
timesPressedPlus = 0 ; timesPressedOne = 0 ;
} }
// handles the minus button // handles the minus button
if (buttonPressedMinus){ if (buttonPressedTwo){
++timesPressedMinus; ++timesPressedTwo;
} }
else { else {
if (decreased) { if (decreased) {
decreased = false; decreased = false;
} }
timesPressedMinus = 0 ; timesPressedTwo = 0 ;
} }
// increases counter if button has been pressed long enough // increases counter if button has been pressed long enough
if (timesPressedPlus >= compareValue) { if (timesPressedOne >= compareValue) {
if (!increased) { if (!increased) {
increment(); increment();
} }
increased = true; increased = true;
timesPressedPlus = 0; timesPressedOne = 0;
} }
// decreases counter if button has been pressed long enough // decreases counter if button has been pressed long enough
if (timesPressedMinus >= compareValue) { if (timesPressedTwo >= compareValue) {
if (!decreased) { if (!decreased) {
decrement(); decrement();
} }
decreased = true; decreased = true;
timesPressedMinus = 0; timesPressedTwo = 0;
} }
} }