Russell Shomberg / Mbed 2 deprecated shomberg_hw_7

Implement a SD card into HW6

Dependencies:   SDFileSystem mbed

Fork of shomberg_hw_6 by Russell Shomberg

OCE360Input.cpp@13:fa74bf0c3b8d, 2018-10-30 (annotated)

Committer:
rshomberg
Date:
Tue Oct 30 14:08:21 2018 +0000
Revision:
13:fa74bf0c3b8d
Parent:
12:ea407dcaff78
Child:
20:fc1690076f87
working code

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rshomberg 9:da0b72918880 1 /**
rshomberg 9:da0b72918880 2 Temperature Sensor and Switch Read
rshomberg 9:da0b72918880 3 OCE360Input.cpp
rshomberg 9:da0b72918880 4
rshomberg 9:da0b72918880 5 Purpose: Read a switch connected at p7
rshomberg 9:da0b72918880 6 Read a temperature sensor connected at p20
rshomberg 9:da0b72918880 7
rshomberg 9:da0b72918880 8 @author Russell Shomberg
rshomberg 9:da0b72918880 9 @created 2018-10-25
rshomberg 9:da0b72918880 10 @revised 2018-10-25
rshomberg 9:da0b72918880 11 @version 0.0
rshomberg 9:da0b72918880 12
rshomberg 9:da0b72918880 13 Issues:
rshomberg 9:da0b72918880 14
rshomberg 9:da0b72918880 15 */
rshomberg 9:da0b72918880 16 // INCLUDES
rshomberg 9:da0b72918880 17 #include "mbed.h"
rshomberg 9:da0b72918880 18 #include "OCE360Input.h"
rshomberg 9:da0b72918880 19
rshomberg 9:da0b72918880 20 // DEFINES
rshomberg 9:da0b72918880 21 #define VREF 3.5
rshomberg 12:ea407dcaff78 22 #define TEMP_CALIBRATION_A 0.1
rshomberg 9:da0b72918880 23 #define TEMP_CALIBRATION_B 0
rshomberg 9:da0b72918880 24
rshomberg 13:fa74bf0c3b8d 25 DigitalIn myswitch(p7);
rshomberg 13:fa74bf0c3b8d 26 AnalogIn Ain(p20);
rshomberg 11:42914083ac70 27
rshomberg 11:42914083ac70 28 int switchPosition;
rshomberg 11:42914083ac70 29 int sensorVoltage;
rshomberg 11:42914083ac70 30 int sensorTemp;
rshomberg 11:42914083ac70 31
rshomberg 9:da0b72918880 32 int read_switch(void) {
rshomberg 9:da0b72918880 33 return myswitch;
rshomberg 9:da0b72918880 34 }
rshomberg 9:da0b72918880 35
rshomberg 9:da0b72918880 36 float read_sensor(void){
rshomberg 13:fa74bf0c3b8d 37 return Ain*VREF*1000; // voltage in mV
rshomberg 9:da0b72918880 38 }
rshomberg 9:da0b72918880 39
rshomberg 11:42914083ac70 40 float convert_mV_to_temp(float sensorVoltage) {
rshomberg 13:fa74bf0c3b8d 41 return sensorVoltage*TEMP_CALIBRATION_A+TEMP_CALIBRATION_B; //temp in deg C
rshomberg 9:da0b72918880 42 }