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A simple digital lock with attempted audio guidance
Dependencies: FATFileSystem TextLCD mbed
Fork of Digital_Lock_with_audio by
Diff: main.cpp
- Revision:
- 0:e09703934ff4
- Child:
- 1:85eb1c94154a
diff -r 000000000000 -r e09703934ff4 main.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Wed Mar 16 01:49:13 2011 +0000 @@ -0,0 +1,125 @@ +/* +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("."); + } +} + + +