Revision 2:1956c8e08cd3, committed 2019-02-23

Comitter:

kanicolaus

Date:

Sat Feb 23 20:37:17 2019 +0000

Parent:

1:d1837531c318

Commit message:

t

Changed in this revision

--- a/main.cpp	Mon Feb 28 12:20:18 2011 +0000
+++ b/main.cpp	Sat Feb 23 20:37:17 2019 +0000
@@ -1,108 +1,37 @@
-/*
-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(p28, p27);
-
+// 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);
-    
-void fallInterrupt(){
-    int value=mpr121.read(0x00);
-    value +=mpr121.read(0x01)<<8;
-    pc.printf("MPR value: %x \r\n", value);
+ 
+// Key hit/release interrupt routine
+void fallInterrupt() {
+  int key_code=0;
+  int i=0;
+  int value=mpr121.read(0x00);
+  value +=mpr121.read(0x01)<<8;
+  // LED demo mod
+  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(".");
-    }
-}
-
-
-    
+  interrupt.fall(&fallInterrupt);
+  interrupt.mode(PullUp);
+  while (1) {}
+}
\ No newline at end of file