Karl Nicolaus / Mbed 2 deprecated 4180_Lab1_P6

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Dependencies:   mbed

main.cpp@1:d1837531c318, 2011-02-28 (annotated)

Committer:
abuckton
Date:
Mon Feb 28 12:20:18 2011 +0000
Revision:
1:d1837531c318
Parent:
0:2e5b82508aea
Child:
2:1956c8e08cd3
Cleaned up copyright, attributed original source

Who changed what in which revision?

UserRevisionLine numberNew contents of line
abuckton 1:d1837531c318 1 /*
abuckton 1:d1837531c318 2 Copyright (c) 2011 Anthony Buckton (abuckton [at] blackink [dot} net {dot} au)
abuckton 1:d1837531c318 3
abuckton 1:d1837531c318 4 Permission is hereby granted, free of charge, to any person obtaining a copy
abuckton 1:d1837531c318 5 of this software and associated documentation files (the "Software"), to deal
abuckton 1:d1837531c318 6 in the Software without restriction, including without limitation the rights
abuckton 1:d1837531c318 7 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
abuckton 1:d1837531c318 8 copies of the Software, and to permit persons to whom the Software is
abuckton 1:d1837531c318 9 furnished to do so, subject to the following conditions:
abuckton 1:d1837531c318 10
abuckton 1:d1837531c318 11 The above copyright notice and this permission notice shall be included in
abuckton 1:d1837531c318 12 all copies or substantial portions of the Software.
abuckton 1:d1837531c318 13
abuckton 1:d1837531c318 14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
abuckton 1:d1837531c318 15 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
abuckton 1:d1837531c318 16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
abuckton 1:d1837531c318 17 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
abuckton 1:d1837531c318 18 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
abuckton 1:d1837531c318 19 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
abuckton 1:d1837531c318 20 THE SOFTWARE.
abuckton 1:d1837531c318 21 */
abuckton 1:d1837531c318 22
abuckton 0:2e5b82508aea 23 #include <mbed.h>
abuckton 0:2e5b82508aea 24 #include <string>
abuckton 0:2e5b82508aea 25 #include <list>
abuckton 0:2e5b82508aea 26
abuckton 0:2e5b82508aea 27 #include <mpr121.h>
abuckton 0:2e5b82508aea 28
abuckton 0:2e5b82508aea 29 // Create the interrupt receiver object on pin 26
abuckton 0:2e5b82508aea 30 InterruptIn interrupt(p26);
abuckton 0:2e5b82508aea 31
abuckton 0:2e5b82508aea 32 // Setup the Serial to the PC for debugging
abuckton 0:2e5b82508aea 33 Serial pc(USBTX, USBRX);
abuckton 0:2e5b82508aea 34
abuckton 0:2e5b82508aea 35 // Setup the i2c bus on pins 28 and 27
abuckton 0:2e5b82508aea 36 I2C i2c(p28, p27);
abuckton 0:2e5b82508aea 37
abuckton 0:2e5b82508aea 38 // Setup the Mpr121:
abuckton 0:2e5b82508aea 39 // constructor(i2c object, i2c address of the mpr121)
abuckton 0:2e5b82508aea 40 Mpr121 mpr121(&i2c, Mpr121::ADD_VSS);
abuckton 0:2e5b82508aea 41
abuckton 0:2e5b82508aea 42 void fallInterrupt(){
abuckton 0:2e5b82508aea 43 int value=mpr121.read(0x00);
abuckton 0:2e5b82508aea 44 value +=mpr121.read(0x01)<<8;
abuckton 0:2e5b82508aea 45 pc.printf("MPR value: %x \r\n", value);
abuckton 0:2e5b82508aea 46 }
abuckton 0:2e5b82508aea 47
abuckton 0:2e5b82508aea 48 int main() {
abuckton 0:2e5b82508aea 49
abuckton 0:2e5b82508aea 50 pc.printf("\nHello from the mbed & mpr121\n\r");
abuckton 0:2e5b82508aea 51
abuckton 0:2e5b82508aea 52 unsigned char dataArray[2];
abuckton 0:2e5b82508aea 53 int key;
abuckton 0:2e5b82508aea 54 int count = 0;
abuckton 0:2e5b82508aea 55
abuckton 0:2e5b82508aea 56 pc.printf("Test 1: read a value: \r\n");
abuckton 0:2e5b82508aea 57 dataArray[0] = mpr121.read(AFE_CFG);
abuckton 0:2e5b82508aea 58 pc.printf("Read value=%x\r\n\n",dataArray[0]);
abuckton 0:2e5b82508aea 59
abuckton 0:2e5b82508aea 60 pc.printf("Test 2: read a value: \r\n");
abuckton 0:2e5b82508aea 61 dataArray[0] = mpr121.read(0x5d);
abuckton 0:2e5b82508aea 62 pc.printf("Read value=%x\r\n\n",dataArray[0]);
abuckton 0:2e5b82508aea 63
abuckton 0:2e5b82508aea 64 pc.printf("Test 3: write & read a value: \r\n");
abuckton 0:2e5b82508aea 65 mpr121.read(ELE0_T);
abuckton 0:2e5b82508aea 66 mpr121.write(ELE0_T,0x22);
abuckton 0:2e5b82508aea 67 dataArray[0] = mpr121.read(ELE0_T);
abuckton 0:2e5b82508aea 68 pc.printf("Read value=%x\r\n\n",dataArray[0]);
abuckton 0:2e5b82508aea 69
abuckton 0:2e5b82508aea 70 pc.printf("Test 4: Write many values: \r\n");
abuckton 0:2e5b82508aea 71 unsigned char data[] = {0x1,0x3,0x5,0x9,0x15,0x25,0x41};
abuckton 0:2e5b82508aea 72 mpr121.writeMany(0x42,data,7);
abuckton 0:2e5b82508aea 73
abuckton 0:2e5b82508aea 74 // Now read them back ..
abuckton 0:2e5b82508aea 75 key = 0x42;
abuckton 0:2e5b82508aea 76 count = 0;
abuckton 0:2e5b82508aea 77 while(count < 7){
abuckton 0:2e5b82508aea 78 char result = mpr121.read(key);
abuckton 0:2e5b82508aea 79 key++;
abuckton 0:2e5b82508aea 80 count++;
abuckton 0:2e5b82508aea 81 pc.printf("Read value: '%x'=%x\n\r",key,result);
abuckton 0:2e5b82508aea 82 }
abuckton 0:2e5b82508aea 83
abuckton 0:2e5b82508aea 84 pc.printf("Test 5: Read Electrodes:\r\n");
abuckton 0:2e5b82508aea 85 key = ELE0_T;
abuckton 0:2e5b82508aea 86 count = 0;
abuckton 0:2e5b82508aea 87 while(count < 24){
abuckton 0:2e5b82508aea 88 char result = mpr121.read(key);
abuckton 0:2e5b82508aea 89 pc.printf("Read key:%x value:%x\n\r",key,result);
abuckton 0:2e5b82508aea 90 key++;
abuckton 0:2e5b82508aea 91 count++; }
abuckton 0:2e5b82508aea 92 pc.printf("--------- \r\n\n");
abuckton 0:2e5b82508aea 93
abuckton 1:d1837531c318 94 // mpr121.setProximityMode(true);
abuckton 0:2e5b82508aea 95
abuckton 0:2e5b82508aea 96 pc.printf("ELE_CFG=%x", mpr121.read(ELE_CFG));
abuckton 0:2e5b82508aea 97
abuckton 0:2e5b82508aea 98 interrupt.fall(&fallInterrupt);
abuckton 0:2e5b82508aea 99 interrupt.mode(PullUp);
abuckton 0:2e5b82508aea 100
abuckton 0:2e5b82508aea 101 while(1){
abuckton 0:2e5b82508aea 102 wait(5);
abuckton 0:2e5b82508aea 103 pc.printf(".");
abuckton 0:2e5b82508aea 104 }
abuckton 0:2e5b82508aea 105 }
abuckton 0:2e5b82508aea 106
abuckton 0:2e5b82508aea 107
abuckton 0:2e5b82508aea 108