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[ES-Blatt2] Generalized behaviour

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Signed-óff-by: Jim Martens <github@2martens.de>
This commit is contained in:
Jim Martens
2015-04-22 19:31:53 +02:00
parent 00e8d9d908
commit e25a54050a
1 changed files with 26 additions and 27 deletions
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53
es/blatt2/uebung2-1/uebung2-1.ino
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@ -12,16 +12,15 @@ int buttonTwoPin = 3;
int compareValue = 60; int compareValue = 60;
int rc = 10499; int rc = 10499;
// these values are used by the TC0_Handler // this variable is affected by the buttonOne and buttonTwo actions
// do not write into them within the loop/setup
// only the counter, buttonOnePressed and buttonTwoPressed should be used within the loop
int volatile counter = 0; int volatile counter = 0;
bool volatile buttonOnePressed = false;
bool volatile buttonTwoPressed = false; // these values are used by the TC0_Handler
// do not use them at all
int timesPressedOne = 0; int timesPressedOne = 0;
int timesPressedTwo = 0; int timesPressedTwo = 0;
bool increased = false; bool buttonOneActionPerformed = false;
bool decreased = false; bool buttonTwoActionPerformed = false;
/** /**
* Setup function for initial setup code * Setup function for initial setup code
@ -63,22 +62,22 @@ void loop() {
} }
/** /**
* Increases the counter by 1. * Performs the action for button one.
* *
* The highest possible value of the counter is 255. * Has to be changed for the specific use case.
*/ */
void increment() { void buttonOneAction() {
if (counter < 255) { if (counter < 255) {
counter += 1; counter += 1;
} }
} }
/** /**
* Decreases the counter by 1. * Performs the action for button two.
* *
* The lowest possible value of the counter is 0. * Has to be changed for the specific use case.
*/ */
void decrement() { void buttonTwoAction() {
if (counter > 0) { if (counter > 0) {
counter -= 1; counter -= 1;
} }
@ -97,41 +96,41 @@ void TC0_Handler()
// handles the plus button // handles the plus button
if (buttonPressedOne){ if (buttonPressedOne){
++timesPressedOne; timesPressedOne += 1;
} }
else { else {
if (increased) { if (buttonOneActionPerformed) {
increased = false; buttonOneActionPerformed = false;
} }
timesPressedOne = 0 ; timesPressedOne = 0 ;
} }
// handles the minus button // handles the minus button
if (buttonPressedTwo){ if (buttonPressedTwo){
++timesPressedTwo; timesPressedTwo += 1;
} }
else { else {
if (decreased) { if (buttonTwoActionPerformed) {
decreased = false; buttonTwoActionPerformed = false;
} }
timesPressedTwo = 0 ; timesPressedTwo = 0 ;
} }
// increases counter if button has been pressed long enough // performs button one action if button has been pressed long enough
if (timesPressedOne >= compareValue) { if (timesPressedOne >= compareValue) {
if (!increased) { if (!buttonOneActionPerformed) {
increment(); buttonOneAction();
} }
increased = true; buttonOneActionPerformed = true;
timesPressedOne = 0; timesPressedOne = 0;
} }
// decreases counter if button has been pressed long enough // performs button two action if button has been pressed long enough
if (timesPressedTwo >= compareValue) { if (timesPressedTwo >= compareValue) {
if (!decreased) { if (!buttonTwoActionPerformed) {
decrement(); buttonTwoAction();
} }
decreased = true; buttonTwoActionPerformed = true;
timesPressedTwo = 0; timesPressedTwo = 0;
} }
} }