Revision 2:3585cd51c765, committed 2016-11-03

Comitter:

RohanIyengar

Date:

Thu Nov 03 19:35:44 2016 +0000

Parent:

1:5b8e223e983d

Commit message:

Created project

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/4DGL-uLCD-SE.lib	Thu Nov 03 19:35:44 2016 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/4180_1/code/4DGL-uLCD-SE/#2cb1845d7681

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ShiftBrite.lib	Thu Nov 03 19:35:44 2016 +0000
@@ -0,0 +1,1 @@
+http://developer.mbed.org/users/jwaters9/code/ShiftBrite/#466ea48e852a

--- a/main.cpp	Thu Jan 24 02:59:05 2013 +0000
+++ b/main.cpp	Thu Nov 03 19:35:44 2016 +0000
@@ -1,8 +1,34 @@
-
 #include "mbed.h"
 #include "SDFileSystem.h"
 #include "wave_player.h"
+#include "ShiftBrite.h"
+#include "uLCD_4DGL.h"
+#include <mpr121.h>
 
+// Stock exchange game
+// Rohan Kumar Iyengar & Sai Sathiesh Rajan
+
+// Set up Mbed LEDs
+DigitalOut led1(LED1);
+DigitalOut led2(LED2);
+DigitalOut led3(LED3);
+DigitalOut led4(LED4);
+
+// Create the interrupt receiver object on pin 26
+InterruptIn interrupt(p26);
+
+// Setup the i2c bus on pins 9 and 10
+I2C i2c(p9, p10);
+
+// Setup the Mpr121:
+// constructor(i2c object, i2c address of the mpr121)
+Mpr121 mpr121(&i2c, Mpr121::ADD_VSS);
+
+uLCD_4DGL uLCD(p28,p27,p30); // serial tx, serial rx, reset pin;
+
+SPI spi(p11, p12, p13);
+
+ShiftBrite myBrite(p15,p16,spi); //latch, enable, spi
 
 SDFileSystem sd(p5, p6, p7, p8, "sd"); //SD card
 
@@ -10,11 +36,287 @@
 
 wave_player waver(&DACout);
 
+int stockPrices [7] = {0,0,0,0,0,0,0}; // array to store trend data for current stock
+int maxEle = -1; // easily accessible max value of current trend data
+int minEle = 200; // easily accessible min value of current trend data
+int gameState = 0; // used to transition between game states
+int stocksChosen = 0; // number of stocks user has chosen already
+char* currentName; // current stock name
+char* chosenName1; // first chosen stock name
+char* chosenName2; // second chosen stock name
+int stockGain1 = 0; // first stock's profit/loss
+int stockGain2 = 0; // second stock's profit/loss
+int stockNamePos = 0; // Used to generate next stock name
+int stocksScrolled = 0; // Used to loop around stock names
+
+// Function to get next stock whenever user selects / rejects a stock
+void getNewStock()
+{
+    // Select stock name first
+    switch (stockNamePos) {
+    
+    case 0:
+        currentName = "Amazon";
+        break;
+    case 1:
+        currentName = "Google";
+        break;
+    case 2:
+        currentName = "Microsoft";
+        break;
+    case 3:
+        currentName = "Apple";
+        break;
+    case 4:
+        currentName = "IBM";
+        break;
+    case 5:
+        currentName = "Intel";
+        break;
+    case 6:
+        currentName = "Cisco";
+        break;
+    case 7:
+        currentName = "Mathworks";
+        break;
+    case 8:
+        currentName = "Uber";
+        break;
+    case 9:
+        currentName = "Facebook";
+        break;
+    }
+    
+    // Generate trend data for stock
+    srand(time(NULL));
+    float currentPrice = (rand() % 100) + 50; // initialize price
+    int trend = 0;
+    int range = 20;
+    int bound = 10;
+    stockPrices[0] = currentPrice;
+    maxEle = currentPrice;
+    minEle = currentPrice;
+    // Generate random data for first six days
+    for (int i = 1; i < 6; i++) {
+        float change = rand() % range - bound;
+        currentPrice = currentPrice + change;
+        stockPrices[i] = currentPrice;
+        if (currentPrice > maxEle) {
+            maxEle = currentPrice;
+        }
+        if (currentPrice < minEle) {
+            minEle = currentPrice;
+        }
+        int wildCard = rand() % 10 - 5;
+        if (change >= 0) {
+            trend++;
+            range = 15;
+            bound = 5 + wildCard;
+        } else {
+            trend--;
+            range = 15;
+            bound = 10 + wildCard;
+        }
+    }
+    
+    // Add more random data for 7th day
+    srand(time(NULL));
+    int finalWildCard = rand() % 8 - 4 + trend; 
+    float finalPrice = (1 + (finalWildCard / 34.0)) * currentPrice;
+    stockPrices[6] = finalPrice;
+    
+    // Increment counters to allow next stock retrieval to be smooth
+    stockNamePos = (stockNamePos + 1) % 10;
+    stocksScrolled++; 
+    if (stocksScrolled > 10 && stocksChosen != 2) {
+        stocksScrolled = 0;
+        stocksChosen = 0;
+        stockNamePos = rand() % 10;
+    }
+}
+
+// Uses current stock data to print a connected graph of points for that stock
+void printGraph() {
+    int x = 4;
+    // draw graph axes
+    uLCD.line(2, 20, 2, 126, LGREY);
+    uLCD.line(2, 126, 126, 126, LGREY);
+    float arrayRange = maxEle - minEle;
+    float graphRange = 110 - 30; 
+    float scaleFactor = graphRange / arrayRange;
+    int offset = 1;
+    for (int i = 0; i < 5; i++) {
+        int currDist = stockPrices[i] - minEle;
+        int y = (int) (110 - scaleFactor * currDist);
+        int nextDist = stockPrices[i + 1] - minEle;
+        int y2 = (int) (110 - scaleFactor * nextDist);
+        // Draw lines between each pair of points w/ color based on trend
+        if (y2 - y > 0) {
+            uLCD.line(x, y, x + 20, y2, RED);
+        } else if (y2 - y < 0) {
+            uLCD.line(x, y, x + 20, y2, GREEN);
+        } else {
+            uLCD.line(x, y, x + 20, y2, WHITE);
+        }
+        uLCD.filled_circle(x, y, 2, BLUE);
+        uLCD.filled_circle(x + 20, y2, 2, BLUE);
+        // Scale to row, col format of uLCD
+        int point1row = (int) ((x / 7.1) - .5);
+        int point1col = (int) ((y /8.0) - .5);
+        int point2col = (int) ((y2 / 8.0) - .5);
+        int point2row = (int) (((x + 20) / 7.1) - .5);
+        char buf1 [10];
+        char buf2 [10];
+        // NEED sprintf because printf on LCD has inexplicable behavior
+        sprintf(buf1, "%d", stockPrices[i]);
+        sprintf(buf2, "%d", stockPrices[i + 1]);
+        uLCD.text_string(buf1, point1row + 1, point1col + 1, FONT_12X16, WHITE);
+        offset*=-1;
+        //uLCD.locate(point2row + offset, point2col + offset);
+        //uLCD.printf("%3i", stockPrices[i+1]);
+        uLCD.text_string(buf2, point2row + 1, point2col + 1, FONT_12X16, WHITE);
+        x+=20;
+    }
+}
+
+// Interrupt when touch sensor is pressed
+void fallInterrupt() {
+    int key_code=0;
+    int i=0;
+    int value=mpr121.read(0x00);
+    value +=mpr121.read(0x01)<<8;
+    // LED demo mod code inspired by J. Hamblen
+    i=0;
+    // puts key number out to LEDs for demo
+    for (i=0; i<12; i++) {
+        if (((value>>i)&0x01)==1) key_code=i+1;
+        }
+    led4=key_code & 0x01;
+    led3=(key_code>>1) & 0x01;
+    led2=(key_code>>2) & 0x01;
+    led1=(key_code>>3) & 0x01;
+    if (key_code == 9 && stocksChosen < 2) {
+        gameState = 2;
+    }
+    if (key_code == 4 && stocksChosen < 2) {
+        gameState = 1;
+    }
+}
+
 int main()
 {
-    FILE *wave_file;
-    printf("\n\n\nHello, wave world!\n");
-    wave_file=fopen("/sd/sample.wav","r");
-    waver.play(wave_file);
-    fclose(wave_file);
+    myBrite.Write(1023, 1023 ,0);
+    bool finished = false;
+    // Do title sequence one time
+    // Welcome Sequence on Game Startup
+    uLCD.cls();
+    uLCD.text_string("Welcome to the\n Stock Exchange\n Challenge!" , 1, 1, FONT_12X16, GREEN);
+    wait(2);
+    uLCD.cls();
+    srand(time(NULL));
+    stockNamePos = rand() % 10;
+    // Title Screen Image
+    uLCD.media_init();
+    uLCD.set_sector_address(0x003A, 0x7C26);
+    uLCD.display_image(0,15); 
+    wait(3);
+    uLCD.cls();
+    uLCD.text_string("Look at stock \n trends then -" , 1, 1, FONT_12X16, BLUE);
+    uLCD.text_string("Pick two stocks \nthat will make\n you win BIG!", 1, 5, FONT_12X16, GREEN);
+    uLCD.text_string("Press button 8\n to choose the\n current stock", 1, 9, FONT_12X16, RED);
+    uLCD.text_string("Press button 3\n to move onto\n the next stock", 1, 13, FONT_12X16, WHITE);
+    wait(4);
+    uLCD.cls();
+    uLCD.text_string("Press 3 to begin!", 1, 7, FONT_12X16, GREEN);
+    // Now allow interrupts from touch sensor to trigger
+    interrupt.fall(&fallInterrupt);
+    interrupt.mode(PullUp);
+    
+    while (!finished) {
+        // State to move to next stock
+        if (gameState == 1) {
+            getNewStock();
+            uLCD.cls();
+            uLCD.text_string("Stock: ", 1, 1, FONT_12X16, GREEN);
+            uLCD.text_string(currentName, 7, 1, FONT_12X16, GREEN);
+            printGraph();
+            gameState = 0;
+        }
+        // State when stock is picked
+        if (gameState == 2) {
+            if (stocksChosen == 0) {
+                chosenName1 = currentName;
+                stockGain1 = stockPrices[6] - stockPrices[5];
+            } else {
+                chosenName2 = currentName;
+                stockGain2 = stockPrices[6] - stockPrices[5];
+            }
+            stocksChosen++;
+            if (stocksChosen > 1) {
+                finished = true;
+            } else {
+                gameState = 1;
+            }
+        }
+        wait(.5);
+    }
+    // End game summary + statistics
+    int totalGain = stockGain1 + stockGain2;
+    uLCD.cls();
+    if (totalGain <= 0) {
+        // Print losing image
+        myBrite.Write(1023 ,0,0);
+        uLCD.media_init();
+        uLCD.set_sector_address(0x003A, 0x7C01);
+        uLCD.display_image(0,22); 
+    } else {
+        myBrite.Write(0, 1023, 0);
+        // Print winning image
+        uLCD.media_init();
+        uLCD.set_sector_address(0x003A, 0x7C57);
+        uLCD.display_image(0,15); 
+    }
+    wait(1);
+    uLCD.cls();
+    // Print picks and statistics
+    uLCD.locate(0,0);
+    if (stockGain1 < 0) {
+        uLCD.color(RED);
+    } else if (stockGain1 > 0) {
+        uLCD.color(GREEN);
+    } else {
+        uLCD.color(WHITE);
+    }
+    uLCD.printf("Pick 1: %s\n\r", chosenName1);
+    uLCD.printf("Stock Gain 1: $%d\n\r\n", stockGain1);
+    if (stockGain2 < 0) {
+        uLCD.color(RED);
+    } else if (stockGain2 > 0) {
+        uLCD.color(GREEN);
+    } else {
+        uLCD.color(WHITE);
+    }
+    uLCD.printf("Pick 2: %s\n\r", chosenName2);
+    uLCD.printf("Stock Gain 2: $%d\n\r\n", stockGain2);
+    if (totalGain < 0) {
+        uLCD.color(RED);
+    } else if (totalGain > 0) {
+        uLCD.color(GREEN);
+    } else {
+        uLCD.color(WHITE);
+    }
+    uLCD.printf("\nTotal Gain: $%d\n\r", totalGain);
+    
+    // Play appropriate winning/losing sound
+    if (totalGain > 0) {
+        FILE* wave_file;
+        wave_file = fopen("/sd/Win.wav", "r");
+        waver.play(wave_file);
+        fclose(wave_file);
+    } else {
+        FILE* wave_file2;
+        wave_file2 = fopen("/sd/Lose.wav", "r");
+        waver.play(wave_file2);
+        fclose(wave_file2);
+    }
 }
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mpr121.cpp	Thu Nov 03 19:35:44 2016 +0000
@@ -0,0 +1,221 @@
+/*
+Copyright (c) 2011 Anthony Buckton (abuckton [at] blackink [dot} net {dot} au)
+ 
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+ 
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+ 
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+#include <mbed.h>
+#include <sstream>
+#include <string>
+#include <list>
+
+#include <mpr121.h>
+    
+Mpr121::Mpr121(I2C *i2c, Address i2cAddress)
+{
+    this->i2c = i2c;
+    
+    address = i2cAddress;
+           
+    // Configure the MPR121 settings to default
+    this->configureSettings();
+}
+
+   
+void Mpr121::configureSettings()
+{
+    // Put the MPR into setup mode
+    this->write(ELE_CFG,0x00);
+    
+    // Electrode filters for when data is > baseline
+    unsigned char gtBaseline[] = {
+         0x01,  //MHD_R
+         0x01,  //NHD_R 
+         0x00,  //NCL_R
+         0x00   //FDL_R
+         };
+         
+    writeMany(MHD_R,gtBaseline,4);   
+                 
+     // Electrode filters for when data is < baseline   
+     unsigned char ltBaseline[] = {
+        0x01,   //MHD_F
+        0x01,   //NHD_F
+        0xFF,   //NCL_F
+        0x02    //FDL_F
+        };
+        
+    writeMany(MHD_F,ltBaseline,4);
+        
+    // Electrode touch and release thresholds
+    unsigned char electrodeThresholds[] = {
+        E_THR_T, // Touch Threshhold
+        E_THR_R  // Release Threshold
+        };
+
+    for(int i=0; i<12; i++){
+        int result = writeMany((ELE0_T+(i*2)),electrodeThresholds,2);
+    }   
+
+    // Proximity Settings
+    unsigned char proximitySettings[] = {
+        0xff,   //MHD_Prox_R
+        0xff,   //NHD_Prox_R
+        0x00,   //NCL_Prox_R
+        0x00,   //FDL_Prox_R
+        0x01,   //MHD_Prox_F
+        0x01,   //NHD_Prox_F
+        0xFF,   //NCL_Prox_F
+        0xff,   //FDL_Prox_F
+        0x00,   //NHD_Prox_T
+        0x00,   //NCL_Prox_T
+        0x00    //NFD_Prox_T
+        };
+    writeMany(MHDPROXR,proximitySettings,11);
+
+    unsigned char proxThresh[] = {
+        PROX_THR_T, // Touch Threshold
+        PROX_THR_R  // Release Threshold
+        };
+    writeMany(EPROXTTH,proxThresh,2); 
+       
+    this->write(FIL_CFG,0x04);
+    
+    // Set the electrode config to transition to active mode
+    this->write(ELE_CFG,0x0c);
+}
+
+void Mpr121::setElectrodeThreshold(int electrode, unsigned char touch, unsigned char release){
+    
+    if(electrode > 11) return;
+    
+    // Get the current mode
+    unsigned char mode = this->read(ELE_CFG);
+    
+    // Put the MPR into setup mode
+    this->write(ELE_CFG,0x00);
+    
+    // Write the new threshold
+    this->write((ELE0_T+(electrode*2)), touch);
+    this->write((ELE0_T+(electrode*2)+1), release);
+    
+    //Restore the operating mode
+    this->write(ELE_CFG, mode);
+}
+    
+    
+unsigned char Mpr121::read(int key){
+
+    unsigned char data[2];
+    
+    //Start the command
+    i2c->start();
+
+    // Address the target (Write mode)
+    int ack1= i2c->write(address);
+
+    // Set the register key to read
+    int ack2 = i2c->write(key);
+
+    // Re-start for read of data
+    i2c->start();
+
+    // Re-send the target address in read mode
+    int ack3 = i2c->write(address+1);
+
+    // Read in the result
+    data[0] = i2c->read(0); 
+
+    // Reset the bus        
+    i2c->stop();
+
+    return data[0];
+}
+
+
+int Mpr121::write(int key, unsigned char value){
+    
+    //Start the command
+    i2c->start();
+
+    // Address the target (Write mode)
+    int ack1= i2c->write(address);
+
+    // Set the register key to write
+    int ack2 = i2c->write(key);
+
+    // Read in the result
+    int ack3 = i2c->write(value); 
+
+    // Reset the bus        
+    i2c->stop();
+    
+    return (ack1+ack2+ack3)-3;
+}
+
+
+int Mpr121::writeMany(int start, unsigned char* dataSet, int length){
+    //Start the command
+    i2c->start();
+
+    // Address the target (Write mode)
+    int ack= i2c->write(address);
+    if(ack!=1){
+        return -1;
+    }
+    
+    // Set the register key to write
+    ack = i2c->write(start);
+    if(ack!=1){
+        return -1;
+    }
+
+    // Write the date set
+    int count = 0;
+    while(ack==1 && (count < length)){
+        ack = i2c->write(dataSet[count]);
+        count++;
+    } 
+    // Stop the cmd
+    i2c->stop();
+    
+    return count;
+}
+      
+
+bool Mpr121::getProximityMode(){
+    if(this->read(ELE_CFG) > 0x0c)
+        return true;
+    else
+        return false;
+}
+
+void Mpr121::setProximityMode(bool mode){
+    this->write(ELE_CFG,0x00);
+    if(mode){
+        this->write(ELE_CFG,0x30); //Sense proximity from ALL pads
+    } else {
+        this->write(ELE_CFG,0x0c); //Sense touch, all 12 pads active.
+    }
+}
+
+
+int Mpr121::readTouchData(){
+    return this->read(0x00);
+}
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mpr121.h	Thu Nov 03 19:35:44 2016 +0000
@@ -0,0 +1,157 @@
+/*
+Copyright (c) 2011 Anthony Buckton (abuckton [at] blackink [dot} net {dot} au)
+
+ 
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+ 
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+ 
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+
+   Parts written by Jim Lindblom of Sparkfun
+   Ported to mbed by A.Buckton, Feb 2011
+*/
+
+#ifndef MPR121_H
+#define MPR121_H
+
+//using namespace std;
+
+class Mpr121 
+{
+
+public:
+    // i2c Addresses, bit-shifted
+    enum Address { ADD_VSS = 0xb4,// ADD->VSS = 0x5a <-wiring on Sparkfun board
+                   ADD_VDD = 0xb6,// ADD->VDD = 0x5b
+                   ADD_SCL = 0xb8,// ADD->SDA = 0x5c
+                   ADD_SDA = 0xba // ADD->SCL = 0x5d
+                 };
+
+    // Real initialiser, takes the i2c address of the device.
+    Mpr121(I2C *i2c, Address i2cAddress);
+    
+    bool getProximityMode();
+    
+    void setProximityMode(bool mode);
+    
+    int readTouchData();
+               
+    unsigned char read(int key);
+    
+    int write(int address, unsigned char value);
+    int writeMany(int start, unsigned char* dataSet, int length);
+
+    void setElectrodeThreshold(int electrodeId, unsigned char touchThreshold, unsigned char releaseThreshold);
+        
+protected:
+    // Configures the MPR with standard settings. This is permitted to be overwritten by sub-classes.
+    void configureSettings();
+    
+private:
+    // The I2C bus instance.
+    I2C *i2c;
+
+    // i2c address of this mpr121
+    Address address;
+};
+
+
+// MPR121 Register Defines
+#define    MHD_R        0x2B
+#define    NHD_R        0x2C
+#define    NCL_R        0x2D
+#define    FDL_R        0x2E
+#define    MHD_F        0x2F
+#define    NHD_F        0x30
+#define    NCL_F        0x31
+#define    FDL_F        0x32
+#define    NHDT         0x33
+#define    NCLT         0x34
+#define    FDLT         0x35
+// Proximity sensing controls
+#define    MHDPROXR     0x36
+#define    NHDPROXR     0x37
+#define    NCLPROXR     0x38
+#define    FDLPROXR     0x39
+#define    MHDPROXF     0x3A
+#define    NHDPROXF     0x3B
+#define    NCLPROXF     0x3C
+#define    FDLPROXF     0x3D
+#define    NHDPROXT     0x3E
+#define    NCLPROXT     0x3F
+#define    FDLPROXT     0x40
+// Electrode Touch/Release thresholds
+#define    ELE0_T       0x41
+#define    ELE0_R       0x42
+#define    ELE1_T       0x43
+#define    ELE1_R       0x44
+#define    ELE2_T       0x45
+#define    ELE2_R       0x46
+#define    ELE3_T       0x47
+#define    ELE3_R       0x48
+#define    ELE4_T       0x49
+#define    ELE4_R       0x4A
+#define    ELE5_T       0x4B
+#define    ELE5_R       0x4C
+#define    ELE6_T       0x4D
+#define    ELE6_R       0x4E
+#define    ELE7_T       0x4F
+#define    ELE7_R       0x50
+#define    ELE8_T       0x51
+#define    ELE8_R       0x52
+#define    ELE9_T       0x53
+#define    ELE9_R       0x54
+#define    ELE10_T      0x55
+#define    ELE10_R      0x56
+#define    ELE11_T      0x57
+#define    ELE11_R      0x58
+// Proximity Touch/Release thresholds
+#define    EPROXTTH     0x59
+#define    EPROXRTH     0x5A
+// Debounce configuration
+#define    DEB_CFG      0x5B
+// AFE- Analogue Front End configuration
+#define    AFE_CFG      0x5C 
+// Filter configuration
+#define    FIL_CFG      0x5D
+// Electrode configuration - transistions to "active mode"
+#define    ELE_CFG      0x5E
+
+#define GPIO_CTRL0      0x73
+#define GPIO_CTRL1      0x74
+#define GPIO_DATA       0x75
+#define    GPIO_DIR     0x76
+#define    GPIO_EN      0x77
+#define    GPIO_SET     0x78
+#define GPIO_CLEAR      0x79
+#define GPIO_TOGGLE     0x7A
+// Auto configration registers
+#define    AUTO_CFG_0   0x7B
+#define    AUTO_CFG_U   0x7D
+#define    AUTO_CFG_L   0x7E
+#define    AUTO_CFG_T   0x7F
+
+// Threshold defaults
+// Electrode touch threshold
+#define    E_THR_T      0x0F   
+// Electrode release threshold 
+#define    E_THR_R      0x0A    
+// Prox touch threshold
+#define    PROX_THR_T   0x02
+// Prox release threshold
+#define    PROX_THR_R   0x02
+
+#endif