winka based keyboard

platformio.ini

@@ -18,7 +18,6 @@ framework = arduino
 lib_deps = 
 	waspinator/AccelStepper@^1.64
 	arduino-libraries/Servo@^1.1.8
-	adafruit/Adafruit MPR121@^1.1.1
 	marcoschwartz/LiquidCrystal_I2C@1.1.2
 
 [env:nano_new]
@@ -28,5 +27,4 @@ framework = arduino
 lib_deps = 
 	waspinator/AccelStepper@^1.64
 	arduino-libraries/Servo@^1.1.8
-	adafruit/Adafruit MPR121@^1.1.1
 	marcoschwartz/LiquidCrystal_I2C@1.1.2

src/oorobot.ino

@@ -12,7 +12,9 @@
 #include <AccelStepper.h>
 #include <Servo.h>
 #include "charset.h"
-#include "my_buttons.h"
+//#include "my_buttons.h"
+//#include "new_buttons.h"
+#include "vinka_key.h"
 
 
 #define OOROBOT_VERSION "1.1.2"
@@ -86,10 +88,17 @@ char buttonsMap[] = {
   '-',  0, 'S', 'A', 0, '+', 0,  0,   0,   0,  0, 0
 };
 */
+/*  
 char buttonsMap[] = {
   'C', 0, 'D', '|', 's', 'R','P', 'L', 'G', 0, 'U', '!',
   'A', 0, 0, 0, 'S', '+' , 0, '-', 0, 0, 0, 0
 };
+ */
+ 
+char buttonsMap[] = {
+  'G',0,'U','!',0,'R','P','L','C',0,'D','|',0,0,0,0,
+  0,0,0,0,'S','+',0,'-','A',0,0,0,0,0,0,0
+};
 
 Params params = {140, 1430, 100};
 int previousMenu = CTRL_MENU;

src/vinka_key.cpp

@@ -0,0 +1,105 @@
+#include <Arduino.h>
+#include "vinka_key.h"
+#include <Wire.h>
+
+#ifndef _BV
+#define _BV(bit) (1 << (bit))
+#endif
+
+#define address 0x65
+byte error;
+int LONG_CLICK_DELAY = 500;
+int DEBOUNCING_DELAY = 300;
+int lastButtonId = -1;
+unsigned long lastClick = 0;
+unsigned long lastRawPressed = 0;
+
+// Keeps track of the last pins touched
+// so we know when buttons are 'released'
+uint16_t lasttouched = 0;
+uint16_t currtouched = 0;
+
+void setupButtons()
+{
+  //Wire.beginTransmission(address);
+  error = Wire.requestFrom(address, 2);
+  //error = Wire.endTransmission();
+  if (error != 0){
+    Serial.println("vinka_keyboard not found, check wiring?");
+    while (1);
+  }
+  Serial.println("vinka keyboard found!");
+}
+
+
+
+
+int getPressedButton() {
+
+int b = -1;
+unsigned char temp[2];
+Wire.requestFrom(address, 2);
+for(unsigned char i = 0; Wire.available() > 0; i++)
+  {
+    temp[i] = Wire.read();
+  }   
+ /* if((temp[0]>0)|(temp[1]>0)){
+  if(temp[0]&0b00000001) Serial.print("1");
+  if(temp[0]&0b00000010) Serial.print("4");
+  if(temp[0]&0b00000100) Serial.print("7");
+  if(temp[0]&0b00001000) Serial.print("*");
+  if(temp[0]&0b00010000) Serial.print("2");
+  if(temp[0]&0b00100000) Serial.print("5");
+  if(temp[0]&0b01000000) Serial.print("8");
+  if(temp[0]&0b10000000) Serial.print("0");
+  if(temp[1]&0b00000001) Serial.print("3");
+  if(temp[1]&0b00000010) Serial.print("6");
+  if(temp[1]&0b00000100) Serial.print("9");
+  if(temp[1]&0b00001000) Serial.print("#");
+  if(temp[1]&0b00010000) Serial.print("A");
+  if(temp[1]&0b00100000) Serial.print("B");
+  if(temp[1]&0b01000000) Serial.print("C");
+  if(temp[1]&0b10000000) Serial.print("D");
+  Serial.println(" ");
+  }
+ *///// Get the currently touched pads
+  
+for (uint8_t i=0; i <2; i++){
+  for (int8_t j=0; j<8; j++){
+    if(temp[i] & _BV(j)){
+      b= 8*i + j;
+      lastRawPressed = millis();
+      break;
+    }
+  if (b>=0) break ;
+  }
+if (b>=0) break;
+}
+  if (b >= 0){
+    unsigned long currentClick = millis();
+    if (lastButtonId != b) {
+      if (currentClick > lastClick + DEBOUNCING_DELAY) {
+        Serial.println(" Sort");
+        lastClick = currentClick;
+        tone(BUZZ, 1000, 50);
+        lastButtonId = b;
+        } else {
+           b = -1;
+        }
+        } else {
+           if (currentClick > lastClick + LONG_CLICK_DELAY) {
+            Serial.println(" Long");
+            lastButtonId = b;
+            b = b + 16;
+            lastClick = currentClick;
+            } else {
+               b = -1;
+            }
+          }
+  } else {
+    if (millis() - lastRawPressed > 100) {
+       lastButtonId = -1;
+    }
+  }
+  return b;
+}

src/vinka_key.h

@@ -0,0 +1,8 @@
+#ifndef VINKA_KEY
+
+#define VINKA_KEY
+  #define BUZZ       2    // Buzzer
+  
+  int getPressedButton();
+  void setupButtons();
+#endif