Revision 11:ac0ff76a6deb, committed 2015-05-25

Comitter:

coyotebush

Date:

Mon May 25 03:21:11 2015 +0000

Parent:

10:338191178cbf

Commit message:

Move sensor code into library

Changed in this revision

diff -r 338191178cbf -r ac0ff76a6deb GroveTemp.cpp
--- a/GroveTemp.cpp	Mon May 18 00:44:59 2015 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,50 +0,0 @@
-#include "mbed.h"
-#include <math.h>
-#include "GroveTemp.h"
-//
-AnalogIn thermistor(A0);   /* Temperature sensor connected to Analog Grove connector */
-
-GroveTempSensor::GroveTempSensor() {
-   resetMinMax();
-}
-
-float GroveTempSensor::getTemp() {
-   unsigned int analogRead;
-//                units, 
-//                tens;
-    
-   analogRead = thermistor.read_u16(); /* Read analog value */
-   
-   /* Calculate the resistance of the thermistor from analog votage read. */
-   resistance = (float) 10000.0 * ((65536.0 / analogRead) - 1.0);
-
-   /* Convert the resistance to temperature using Steinhart's Hart equation */
-   temperature = (1/((log(resistance/10000.0)/TEMP_BETA) + (1.0/298.15)))-273.15; 
-
-//   units = (int) temperature % 10;
-//   tens  = (int) temperature / 10;
-   if (temperature > maxTemp)
-      maxTemp = temperature;
-   if (temperature < minTemp)
-      minTemp = temperature;
-   
-   return temperature;
-}
-
-void GroveTempSensor::resetMinMax() {
-   maxTemp = -999.9;
-   minTemp = 999.9;
-   minMaxDefined = false;
-}
-
-float GroveTempSensor::getMin() {
-   if (!minMaxDefined)
-      getTemp();
-   return minTemp;
-}
-
-float GroveTempSensor::getMax() {
-   if (!minMaxDefined)
-      getTemp();
-   return maxTemp;
-}
\ No newline at end of file

diff -r 338191178cbf -r ac0ff76a6deb GroveTemp.h
--- a/GroveTemp.h	Mon May 18 00:44:59 2015 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,30 +0,0 @@
-/*
-GroveTemp.h
-IoT GarbageCollectors
-
-Created by Timothy Ambrose on 4/29/15.
-*/
-
-#ifndef GROVE_TEMP_H
-#define GROVE_TEMP_H
-
-#include "mbed.h"
-#define TEMP_BETA 3975
-
-class GroveTempSensor {
-private:
-   float temperature,
-         resistance,
-         minTemp,
-         maxTemp;
-   bool minMaxDefined;
-   
-public:
-   GroveTempSensor();
-   float getTemp();
-   void resetMinMax();
-   float getMin();
-   float getMax();
-};
-
-#endif
\ No newline at end of file

diff -r 338191178cbf -r ac0ff76a6deb hcsr04.cpp
--- a/hcsr04.cpp	Mon May 18 00:44:59 2015 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,105 +0,0 @@
-/* Copyright (c) 2013 Prabhu Desai
- * pdtechworld@gmail.com
- *
- * 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 "hcsr04.h"
-
-
-HCSR04::HCSR04(PinName TrigPin,PinName EchoPin):
-    trigger(TrigPin), echo(EchoPin), maxpulse(-1)
-{
-    pulsetime.stop();
-    pulsetime.reset();
-    echo.rise(this,&HCSR04::isr_rise);
-    echo.fall(this,&HCSR04::isr_fall);
-    trigger=0;
-}
-
-HCSR04::~HCSR04()
-{
-}
-
-void HCSR04::isr_rise(void)
-{
-    pulsetime.start();
-    pulsetime.reset();
-}
-void HCSR04::start(void)
-{
-    pulsedur = -1;
-    
-    trigger=1;
-    wait_us(10);
-    trigger=0;
-}
-
-void HCSR04::isr_fall(void)
-{
-    pulsetime.stop();
-    pulsedur = pulsetime.read_us();
-    if (pulsedur > maxpulse && pulsedur < kBogusPulse)
-        maxpulse = pulsedur;
-}
-
-void HCSR04::rise (void (*fptr)(void))
-{
-    echo.rise(fptr);
-}
-void HCSR04::fall (void (*fptr)(void))
-{
-    echo.fall(fptr);
-}
-
-double HCSR04::get_dist_cm()
-{
-    return pulsedur * kMicrosecondsToCentimeters;
-}
-double HCSR04::get_max_dist_cm()
-{
-    return maxpulse * kMicrosecondsToCentimeters;
-}
-int HCSR04::get_pulse_us()
-{
-    return pulsedur;
-}
-
-
-
-/*******************************************************
-   Here is a sample code usage
-********************************************************* 
-#include "hcsr04.h"
-HCSR04  usensor(p25,p6);
-int main()
-{
-    unsigned char count=0;
-    while(1) {
-        usensor.start();
-        wait_ms(500); 
-        dist=usensor.get_dist_cm();
-        lcd.cls();
-        lcd.locate(0,0);
-        lcd.printf("cm:%ld",dist );
- 
-        count++;
-        lcd.locate(0,1);
-        lcd.printf("Distance =%d",count);
-        
-    }
-*/
\ No newline at end of file

diff -r 338191178cbf -r ac0ff76a6deb hcsr04.h
--- a/hcsr04.h	Mon May 18 00:44:59 2015 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,74 +0,0 @@
-/* Copyright (c) 2013 Prabhu Desai
- * pdtechworld@gmail.com
- *
- *
- * 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.
- *
- * For more details on the sensor :
- * http://www.elecfreaks.com/store/hcsr04-ultrasonic-sensor-distance-measuring-module-p-91.html?zenid=pgm8pgnvaodbe36dibq5s1soi3
- *
- * 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.
- */
-
-#ifndef MBED_HCSR04_H
-#define MBED_HCSR04_H
-
-#include "mbed.h"
-
-/** HCSR04 Class(es)
- */
-
-// TODO(CJF): steal clever logic from https://code.google.com/p/arduino-new-ping/ ?
-
-class HCSR04
-{
-public:
-    static const double kMicrosecondsToCentimeters = 343.0 / 20000;
-    static const double kBogusPulse = 500 / kMicrosecondsToCentimeters;
-    
-    /** Create a HCSR04 object connected to the specified pin
-    * @param pin i/o pin to connect to
-    */
-    HCSR04(PinName TrigPin,PinName EchoPin);
-    ~HCSR04();
-
-    /** Return the distance from obstacle in cm
-    * @param distance in cms and returns -1, in case of failure
-    */
-    double get_dist_cm(void);
-    double get_max_dist_cm(void);
-    /** Return the pulse duration equal to sonic waves travelling to obstacle and back to receiver.
-    * @param pulse duration in microseconds.
-    */
-    int get_pulse_us(void);
-    /** Generates the trigger pulse of 10us on the trigger PIN.
-    */
-    void start(void );
-    void isr_rise(void);
-    void isr_fall(void);
-    void fall (void (*fptr)(void));
-    void rise (void (*fptr)(void));
-
-
-
-private:
-
-    Timer pulsetime;
-    DigitalOut  trigger;
-    InterruptIn echo;
-    int pulsedur;
-    int maxpulse;
-};
-
-#endif
\ No newline at end of file

diff -r 338191178cbf -r ac0ff76a6deb sensor.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sensor.lib	Mon May 25 03:21:11 2015 +0000
@@ -0,0 +1,1 @@
+http://developer.mbed.org/users/coyotebush/code/TrashSensors/#3f335fc50cef