Diff: main.cpp

Revision:

0:e09703934ff4

Child:

1:1d5055ca2793

--- /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(".");
+    }
+}
+
+
+