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Revision 1:d1837531c318, committed 2011-02-28
- Comitter:
- abuckton
- Date:
- Mon Feb 28 12:20:18 2011 +0000
- Parent:
- 0:2e5b82508aea
- Commit message:
- Cleaned up copyright, attributed original source
Changed in this revision
--- a/main.cpp Mon Feb 28 12:07:17 2011 +0000
+++ b/main.cpp Mon Feb 28 12:20:18 2011 +0000
@@ -1,15 +1,31 @@
+/*
+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);
@@ -75,7 +91,7 @@
count++; }
pc.printf("--------- \r\n\n");
- mpr121.setProximityMode(true);
+ // mpr121.setProximityMode(true);
pc.printf("ELE_CFG=%x", mpr121.read(ELE_CFG));
@@ -86,7 +102,6 @@
wait(5);
pc.printf(".");
}
-
}
--- a/mpr121.cpp Mon Feb 28 12:07:17 2011 +0000
+++ b/mpr121.cpp Mon Feb 28 12:20:18 2011 +0000
@@ -1,201 +1,221 @@
+/*
+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 <sstream>
#include <string>
#include <list>
#include <mpr121.h>
+
+Mpr121::Mpr121(I2C *i2c, Address i2cAddress)
+{
+ this->i2c = i2c;
+
+ address = i2cAddress;
+
+ // Configure the MPR121 settings to default
+ this->configureSettings();
+}
-using namespace std;
+
+void Mpr121::configureSettings()
+{
+ // Put the MPR into setup mode
+ this->write(ELE_CFG,0x00);
- Mpr121::Mpr121(I2C *i2c, Address i2cAddress)
- {
- this->i2c = i2c;
+ // Electrode filters for when data is > baseline
+ unsigned char gtBaseline[] = {
+ 0x01, //MHD_R
+ 0x01, //NHD_R
+ 0x00, //NCL_R
+ 0x00 //FDL_R
+ };
+
+ writeMany(MHD_R,gtBaseline,4);
+
+ // Electrode filters for when data is < baseline
+ unsigned char ltBaseline[] = {
+ 0x01, //MHD_F
+ 0x01, //NHD_F
+ 0xFF, //NCL_F
+ 0x02 //FDL_F
+ };
- address = i2cAddress;
-
- // Configure the MPR121 settings to default
- this->configureSettings();
- }
-
-
- void Mpr121::configureSettings()
- {
- // Put the MPR into setup mode
- this->write(ELE_CFG,0x00);
+ writeMany(MHD_F,ltBaseline,4);
- // Electrode filters for when data is > baseline
- unsigned char gtBaseline[] = {
- 0x01, //MHD_R
- 0x01, //NHD_R
- 0x00, //NCL_R
- 0x00 //FDL_R
- };
-
- writeMany(MHD_R,gtBaseline,4);
-
- // Electrode filters for when data is < baseline
- unsigned char ltBaseline[] = {
- 0x01, //MHD_F
- 0x01, //NHD_F
- 0xFF, //NCL_F
- 0x02 //FDL_F
- };
-
- writeMany(MHD_F,ltBaseline,4);
-
- // Electrode touch and release thresholds
- unsigned char electrodeThresholds[] = {
- E_THR_T, // Touch Threshhold
- E_THR_R // Release Threshold
- };
+ // Electrode touch and release thresholds
+ unsigned char electrodeThresholds[] = {
+ E_THR_T, // Touch Threshhold
+ E_THR_R // Release Threshold
+ };
+
+ for(int i=0; i<12; i++){
+ int result = writeMany((ELE0_T+(i*2)),electrodeThresholds,2);
+ }
+
+ // Proximity Settings
+ unsigned char proximitySettings[] = {
+ 0xff, //MHD_Prox_R
+ 0xff, //NHD_Prox_R
+ 0x00, //NCL_Prox_R
+ 0x00, //FDL_Prox_R
+ 0x01, //MHD_Prox_F
+ 0x01, //NHD_Prox_F
+ 0xFF, //NCL_Prox_F
+ 0xff, //FDL_Prox_F
+ 0x00, //NHD_Prox_T
+ 0x00, //NCL_Prox_T
+ 0x00 //NFD_Prox_T
+ };
+ writeMany(MHDPROXR,proximitySettings,11);
+
+ unsigned char proxThresh[] = {
+ PROX_THR_T, // Touch Threshold
+ PROX_THR_R // Release Threshold
+ };
+ writeMany(EPROXTTH,proxThresh,2);
+
+ this->write(FIL_CFG,0x04);
+
+ // Set the electrode config to transition to active mode
+ this->write(ELE_CFG,0x0c);
+}
- for(int i=0; i<12; i++){
- int result = writeMany((ELE0_T+(i*2)),electrodeThresholds,2);
- }
+void Mpr121::setElectrodeThreshold(int electrode, unsigned char touch, unsigned char release){
+
+ if(electrode > 11) return;
+
+ // Get the current mode
+ unsigned char mode = this->read(ELE_CFG);
+
+ // Put the MPR into setup mode
+ this->write(ELE_CFG,0x00);
+
+ // Write the new threshold
+ this->write((ELE0_T+(electrode*2)), touch);
+ this->write((ELE0_T+(electrode*2)+1), release);
+
+ //Restore the operating mode
+ this->write(ELE_CFG, mode);
+}
+
+
+unsigned char Mpr121::read(int key){
+
+ unsigned char data[2];
+
+ //Start the command
+ i2c->start();
+
+ // Address the target (Write mode)
+ int ack1= i2c->write(address);
+
+ // Set the register key to read
+ int ack2 = i2c->write(key);
+
+ // Re-start for read of data
+ i2c->start();
+
+ // Re-send the target address in read mode
+ int ack3 = i2c->write(address+1);
- // Proximity Settings
- unsigned char proximitySettings[] = {
- 0xff, //MHD_Prox_R
- 0xff, //NHD_Prox_R
- 0x00, //NCL_Prox_R
- 0x00, //FDL_Prox_R
- 0x01, //MHD_Prox_F
- 0x01, //NHD_Prox_F
- 0xFF, //NCL_Prox_F
- 0xff, //FDL_Prox_F
- 0x00, //NHD_Prox_T
- 0x00, //NCL_Prox_T
- 0x00 //NFD_Prox_T
- };
- writeMany(MHDPROXR,proximitySettings,11);
+ // Read in the result
+ data[0] = i2c->read(0);
+
+ // Reset the bus
+ i2c->stop();
+
+ return data[0];
+}
+
+
+int Mpr121::write(int key, unsigned char value){
+
+ //Start the command
+ i2c->start();
+
+ // Address the target (Write mode)
+ int ack1= i2c->write(address);
- unsigned char proxThresh[] = {
- PROX_THR_T, // Touch Threshold
- PROX_THR_R // Release Threshold
- };
- writeMany(EPROXTTH,proxThresh,2);
-
- this->write(FIL_CFG,0x04);
-
- // Set the electrode config to transition to active mode
- this->write(ELE_CFG,0x0c);
+ // Set the register key to write
+ int ack2 = i2c->write(key);
+
+ // Read in the result
+ int ack3 = i2c->write(value);
+
+ // Reset the bus
+ i2c->stop();
+
+ return (ack1+ack2+ack3)-3;
+}
+
+
+int Mpr121::writeMany(int start, unsigned char* dataSet, int length){
+ //Start the command
+ i2c->start();
+
+ // Address the target (Write mode)
+ int ack= i2c->write(address);
+ if(ack!=1){
+ return -1;
}
- void Mpr121::setElectrodeThreshold(int electrode, unsigned char touch, unsigned char release){
-
- if(electrode > 11) return;
-
- // Get the current mode
- unsigned char mode = this->read(ELE_CFG);
-
- // Put the MPR into setup mode
- this->write(ELE_CFG,0x00);
-
- // Write the new threshold
- this->write((ELE0_T+(electrode*2)), touch);
- this->write((ELE0_T+(electrode*2)+1), release);
-
- //Restore the operating mode
- this->write(ELE_CFG, mode);
- }
-
-
- unsigned char Mpr121::read(int key){
-
- unsigned char data[2];
-
- //Start the command
- i2c->start();
-
- // Address the target (Write mode)
- int ack1= i2c->write(address);
-
- // Set the register key to read
- int ack2 = i2c->write(key);
-
- // Re-start for read of data
- i2c->start();
-
- // Re-send the target address in read mode
- int ack3 = i2c->write(address+1);
-
- // Read in the result
- data[0] = i2c->read(0);
-
- // Reset the bus
- i2c->stop();
-
- return data[0];
- }
-
-
- int Mpr121::write(int key, unsigned char value){
-
- //Start the command
- i2c->start();
-
- // Address the target (Write mode)
- int ack1= i2c->write(address);
-
- // Set the register key to write
- int ack2 = i2c->write(key);
-
- // Read in the result
- int ack3 = i2c->write(value);
-
- // Reset the bus
- i2c->stop();
-
- return (ack1+ack2+ack3)-3;
- }
-
-
- int Mpr121::writeMany(int start, unsigned char* dataSet, int length){
- //Start the command
- i2c->start();
-
- // Address the target (Write mode)
- int ack= i2c->write(address);
- if(ack!=1){
- return -1;
- }
-
- // Set the register key to write
- ack = i2c->write(start);
- if(ack!=1){
- return -1;
- }
-
- // Write the date set
- int count = 0;
- while(ack==1 && (count < length)){
- ack = i2c->write(dataSet[count]);
- count++;
- }
- // Stop the cmd
- i2c->stop();
-
- return count;
- }
-
-
- bool Mpr121::getProximityMode(){
- if(this->read(ELE_CFG) > 0x0c)
- return true;
- else
- return false;
- }
-
- void Mpr121::setProximityMode(bool mode){
- this->write(ELE_CFG,0x00);
- if(mode){
- this->write(ELE_CFG,0x30); //Sense proximity from ALL pads
- } else {
- this->write(ELE_CFG,0x0c); //Sense touch, all 12 pads active.
- }
+ // Set the register key to write
+ ack = i2c->write(start);
+ if(ack!=1){
+ return -1;
}
+ // Write the date set
+ int count = 0;
+ while(ack==1 && (count < length)){
+ ack = i2c->write(dataSet[count]);
+ count++;
+ }
+ // Stop the cmd
+ i2c->stop();
+
+ return count;
+}
+
- int Mpr121::readTouchData(){
- return this->read(0x00);
- }
\ No newline at end of file
+bool Mpr121::getProximityMode(){
+ if(this->read(ELE_CFG) > 0x0c)
+ return true;
+ else
+ return false;
+}
+
+void Mpr121::setProximityMode(bool mode){
+ this->write(ELE_CFG,0x00);
+ if(mode){
+ this->write(ELE_CFG,0x30); //Sense proximity from ALL pads
+ } else {
+ this->write(ELE_CFG,0x0c); //Sense touch, all 12 pads active.
+ }
+}
+
+
+int Mpr121::readTouchData(){
+ return this->read(0x00);
+}
\ No newline at end of file
--- a/mpr121.h Mon Feb 28 12:07:17 2011 +0000
+++ b/mpr121.h Mon Feb 28 12:20:18 2011 +0000
@@ -1,8 +1,27 @@
/*
- MPR121.h
- April 8, 2010
- by: Jim Lindblom
- Ported to mbed and modified by A.Buckton, 16 Feb 2011
+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.
+
+ Parts written by Jim Lindblom of Sparkfun
+ Ported to mbed by A.Buckton, Feb 2011
*/
#ifndef MPR121_H