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V17F: Added "execute selection" function to second button
If you have a cart reader with two buttons change "#define twoButtons 0" to "#define twoButtons 1". From now on you can execute a selection by either holding the first or just by pressing the second button.
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sanni
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@ -2,15 +2,15 @@
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Nintendo Cart Reader for Arduino Mega2560
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Author: sanni
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Date: 2016-08-15
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Version: V17E
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Date: 2016-08-22
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Version: V17F
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SD lib: https://github.com/greiman/SdFat
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LCD lib: https://github.com/adafruit/Adafruit_SSD1306
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Clockgen: https://github.com/etherkit/Si5351Arduino
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RGB Tools lib: https://github.com/joushx/Arduino-RGB-Tools
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Compiled with Arduino 1.6.10
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Compiled with Arduino 1.6.11
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Thanks to:
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MichlK - ROM-Reader for Super Nintendo
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@ -31,14 +31,22 @@
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Pickle - SDD1 fix
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**********************************************************************************/
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char ver[5] = "V17E";
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char ver[5] = "V17F";
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/******************************************
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Choose Output
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Define Output
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******************************************/
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// If you don't have an OLED screen change
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// enable_OLED to 0 and enable_Serial to 1
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#define enable_OLED 1
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#define enable_Serial 0
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/******************************************
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Define Input
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******************************************/
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// If you have two buttons on your cart reader change to 1
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#define twoButtons 0
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/******************************************
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Pinout
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******************************************/
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@ -110,23 +118,35 @@ SdFile myFile;
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/******************************************
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Variables
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*****************************************/
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// Button timing variables
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// Button timing
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static int debounce = 20; // ms debounce period to prevent flickering when pressing or releasing the button
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static int DCgap = 250; // max ms between clicks for a double click event
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static int holdTime = 2000; // ms hold period: how long to wait for press+hold event
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static int longHoldTime = 5000; // ms long hold period: how long to wait for press+hold event
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// Other button variables
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boolean buttonVal = HIGH; // value read from button
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boolean buttonLast = HIGH; // buffered value of the button's previous state
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boolean DCwaiting = false; // whether we're waiting for a double click (down)
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boolean DConUp = false; // whether to register a double click on next release, or whether to wait and click
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boolean singleOK = true; // whether it's OK to do a single click
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long downTime = -1; // time the button was pressed down
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long upTime = -1; // time the button was released
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boolean ignoreUp = false; // whether to ignore the button release because the click+hold was triggered
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boolean waitForUp = false; // when held, whether to wait for the up event
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boolean holdEventPast = false; // whether or not the hold event happened already
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boolean longHoldEventPast = false;// whether or not the long hold event happened already
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// Variables for button 1
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boolean buttonVal1 = HIGH; // value read from button
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boolean buttonLast1 = HIGH; // buffered value of the button's previous state
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boolean DCwaiting1 = false; // whether we're waiting for a double click (down)
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boolean DConUp1 = false; // whether to register a double click on next release, or whether to wait and click
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boolean singleOK1 = true; // whether it's OK to do a single click
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long downTime1 = -1; // time the button was pressed down
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long upTime1 = -1; // time the button was released
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boolean ignoreUp1 = false; // whether to ignore the button release because the click+hold was triggered
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boolean waitForUp1 = false; // when held, whether to wait for the up event
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boolean holdEventPast1 = false; // whether or not the hold event happened already
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boolean longholdEventPast1 = false;// whether or not the long hold event happened already
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// Variables for button 2
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boolean buttonVal2 = HIGH; // value read from button
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boolean buttonLast2 = HIGH; // buffered value of the button's previous state
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boolean DCwaiting2 = false; // whether we're waiting for a double click (down)
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boolean DConUp2 = false; // whether to register a double click on next release, or whether to wait and click
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boolean singleOK2 = true; // whether it's OK to do a single click
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long downTime2 = -1; // time the button was pressed down
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long upTime2 = -1; // time the button was released
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boolean ignoreUp2 = false; // whether to ignore the button release because the click+hold was triggered
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boolean waitForUp2 = false; // when held, whether to wait for the up event
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boolean holdEventPast2 = false; // whether or not the hold event happened already
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boolean longholdEventPast2 = false;// whether or not the long hold event happened already
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// For incoming serial data
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int incomingByte;
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@ -703,60 +723,128 @@ void rgbLed(byte Color) {
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*****************************************/
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// Read button state
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int checkButton() {
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if ((twoButtons) && (checkButton2() != 0))
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return 3;
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else
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return (checkButton1());
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}
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// Read button 1
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int checkButton1() {
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int event = 0;
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// Read the state of the button (PD7)
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buttonVal = (PIND & (1 << 7));
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buttonVal1 = (PIND & (1 << 7));
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// Button pressed down
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if (buttonVal == LOW && buttonLast == HIGH && (millis() - upTime) > debounce) {
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downTime = millis();
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ignoreUp = false;
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waitForUp = false;
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singleOK = true;
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holdEventPast = false;
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longHoldEventPast = false;
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if ((millis() - upTime) < DCgap && DConUp == false && DCwaiting == true) DConUp = true;
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else DConUp = false;
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DCwaiting = false;
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if (buttonVal1 == LOW && buttonLast1 == HIGH && (millis() - upTime1) > debounce) {
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downTime1 = millis();
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ignoreUp1 = false;
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waitForUp1 = false;
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singleOK1 = true;
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holdEventPast1 = false;
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longholdEventPast1 = false;
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if ((millis() - upTime1) < DCgap && DConUp1 == false && DCwaiting1 == true) DConUp1 = true;
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else DConUp1 = false;
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DCwaiting1 = false;
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}
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// Button released
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else if (buttonVal == HIGH && buttonLast == LOW && (millis() - downTime) > debounce) {
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if (not ignoreUp) {
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upTime = millis();
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if (DConUp == false) DCwaiting = true;
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else if (buttonVal1 == HIGH && buttonLast1 == LOW && (millis() - downTime1) > debounce) {
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if (not ignoreUp1) {
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upTime1 = millis();
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if (DConUp1 == false) DCwaiting1 = true;
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else {
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event = 2;
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DConUp = false;
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DCwaiting = false;
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singleOK = false;
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DConUp1 = false;
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DCwaiting1 = false;
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singleOK1 = false;
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}
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}
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}
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// Test for normal click event: DCgap expired
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if ( buttonVal == HIGH && (millis() - upTime) >= DCgap && DCwaiting == true && DConUp == false && singleOK == true) {
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if ( buttonVal1 == HIGH && (millis() - upTime1) >= DCgap && DCwaiting1 == true && DConUp1 == false && singleOK1 == true) {
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event = 1;
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DCwaiting = false;
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DCwaiting1 = false;
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}
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// Test for hold
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if (buttonVal == LOW && (millis() - downTime) >= holdTime) {
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if (buttonVal1 == LOW && (millis() - downTime1) >= holdTime) {
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// Trigger "normal" hold
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if (not holdEventPast) {
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if (not holdEventPast1) {
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event = 3;
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waitForUp = true;
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ignoreUp = true;
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DConUp = false;
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DCwaiting = false;
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//downTime = millis();
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holdEventPast = true;
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waitForUp1 = true;
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ignoreUp1 = true;
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DConUp1 = false;
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DCwaiting1 = false;
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//downTime1 = millis();
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holdEventPast1 = true;
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}
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// Trigger "long" hold
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if ((millis() - downTime) >= longHoldTime) {
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if (not longHoldEventPast) {
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if ((millis() - downTime1) >= longHoldTime) {
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if (not longholdEventPast1) {
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event = 4;
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longHoldEventPast = true;
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longholdEventPast1 = true;
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}
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}
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}
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buttonLast = buttonVal;
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buttonLast1 = buttonVal1;
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return event;
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}
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// Read button 2
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int checkButton2() {
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int event = 0;
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// Read the state of the button (PD7)
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buttonVal2 = (PING & (1 << 2));
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// Button pressed down
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if (buttonVal2 == LOW && buttonLast2 == HIGH && (millis() - upTime2) > debounce) {
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downTime2 = millis();
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ignoreUp2 = false;
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waitForUp2 = false;
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singleOK2 = true;
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holdEventPast2 = false;
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longholdEventPast2 = false;
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if ((millis() - upTime2) < DCgap && DConUp2 == false && DCwaiting2 == true) DConUp2 = true;
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else DConUp2 = false;
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DCwaiting2 = false;
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}
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// Button released
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else if (buttonVal2 == HIGH && buttonLast2 == LOW && (millis() - downTime2) > debounce) {
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if (not ignoreUp2) {
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upTime2 = millis();
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if (DConUp2 == false) DCwaiting2 = true;
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else {
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event = 2;
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DConUp2 = false;
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DCwaiting2 = false;
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singleOK2 = false;
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}
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}
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}
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// Test for normal click event: DCgap expired
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if ( buttonVal2 == HIGH && (millis() - upTime2) >= DCgap && DCwaiting2 == true && DConUp2 == false && singleOK2 == true) {
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event = 1;
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DCwaiting2 = false;
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}
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// Test for hold
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if (buttonVal2 == LOW && (millis() - downTime2) >= holdTime) {
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// Trigger "normal" hold
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if (not holdEventPast2) {
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event = 3;
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waitForUp2 = true;
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ignoreUp2 = true;
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DConUp2 = false;
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DCwaiting2 = false;
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//downTime2 = millis();
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holdEventPast2 = true;
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}
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// Trigger "long" hold
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if ((millis() - downTime2) >= longHoldTime) {
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if (not longholdEventPast2) {
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event = 4;
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longholdEventPast2 = true;
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}
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}
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}
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buttonLast2 = buttonVal2;
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return event;
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}
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@ -861,9 +949,12 @@ unsigned char questionBox_OLED(const char* question, char answers[7][20], int nu
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break;
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}
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}
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else
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choice = (choice > 0) ? choice - 1 : num_answers - 1;
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else if (choice > 0) {
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choice--;
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}
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else {
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choice = num_answers - 1;
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}
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// draw selection box
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display.drawPixel(0, 8 * choice + 12, WHITE);
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