MPR121 demo code for 12 key Sparkfun touch keypad - sends key number to LEDs. Based on Sparkfun MPR121 code ported to mbed by Anthony Buckton

Dependencies:   mbed

Fork of MPR121_Demo by jim hamblen

Files at this revision

API Documentation at this revision

Comitter:
hcha30
Date:
Thu Mar 17 16:57:27 2016 +0000
Parent:
0:e09703934ff4
Commit message:
4180 lab4 big fish game

Changed in this revision

main.cpp Show diff for this revision Revisions of this file
diff -r e09703934ff4 -r b77d4eaa81d1 main.cpp
--- a/main.cpp	Wed Mar 16 01:49:13 2011 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,125 +0,0 @@
-/*
-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 <string>
-#include <list>
-
-#include <mpr121.h>
-
-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 Serial to the PC for debugging
-Serial pc(USBTX, USBRX);
-
-// Setup the i2c bus on pins 28 and 27
-I2C i2c(p9, p10);
-
-// Setup the Mpr121:
-// constructor(i2c object, i2c address of the mpr121)
-Mpr121 mpr121(&i2c, Mpr121::ADD_VSS);
-
-void fallInterrupt() {
-    int key_code=0;
-    int i=0;
-    int value=mpr121.read(0x00);
-    value +=mpr121.read(0x01)<<8;
-    // LED demo mod by J. Hamblen
-    //pc.printf("MPR value: %x \r\n", value);
-    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;
-}
-int main() {
-
-    pc.printf("\nHello from the mbed & mpr121\n\r");
-
-    unsigned char dataArray[2];
-    int key;
-    int count = 0;
-
-    pc.printf("Test 1: read a value: \r\n");
-    dataArray[0] = mpr121.read(AFE_CFG);
-    pc.printf("Read value=%x\r\n\n",dataArray[0]);
-
-    pc.printf("Test 2: read a value: \r\n");
-    dataArray[0] = mpr121.read(0x5d);
-    pc.printf("Read value=%x\r\n\n",dataArray[0]);
-
-    pc.printf("Test 3: write & read a value: \r\n");
-    mpr121.read(ELE0_T);
-    mpr121.write(ELE0_T,0x22);
-    dataArray[0] = mpr121.read(ELE0_T);
-    pc.printf("Read value=%x\r\n\n",dataArray[0]);
-
-    pc.printf("Test 4: Write many values: \r\n");
-    unsigned char data[] = {0x1,0x3,0x5,0x9,0x15,0x25,0x41};
-    mpr121.writeMany(0x42,data,7);
-
-    // Now read them back ..
-    key = 0x42;
-    count = 0;
-    while (count < 7) {
-        char result = mpr121.read(key);
-        key++;
-        count++;
-        pc.printf("Read value: '%x'=%x\n\r",key,result);
-    }
-
-    pc.printf("Test 5: Read Electrodes:\r\n");
-    key = ELE0_T;
-    count = 0;
-    while (count < 24) {
-        char result = mpr121.read(key);
-        pc.printf("Read key:%x value:%x\n\r",key,result);
-        key++;
-        count++;
-    }
-    pc.printf("--------- \r\n\n");
-
-    // mpr121.setProximityMode(true);
-
-    pc.printf("ELE_CFG=%x", mpr121.read(ELE_CFG));
-
-    interrupt.fall(&fallInterrupt);
-    interrupt.mode(PullUp);
-
-    while (1) {
-        wait(5);
-        pc.printf(".");
-    }
-}
-
-
-