Alix Germany / TextLCD

LCD stuff

Dependents:   Coursework_Version_5 Coursework_Version_6 Coursework_Version_8

SDcard.hpp@9:fa2c79151a92, 2018-12-07 (annotated)

Committer:
Alix955
Date:
Fri Dec 07 13:07:37 2018 +0000
Revision:
9:fa2c79151a92
updated;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Alix955 9:fa2c79151a92 1 #ifndef _SDCARD_
Alix955 9:fa2c79151a92 2
Alix955 9:fa2c79151a92 3 #define _SDCARD_
Alix955 9:fa2c79151a92 4
Alix955 9:fa2c79151a92 5 #include "mbed.h"
Alix955 9:fa2c79151a92 6
Alix955 9:fa2c79151a92 7 #include "SDBlockDevice.h"
Alix955 9:fa2c79151a92 8
Alix955 9:fa2c79151a92 9 #include "FATFileSystem.h"
Alix955 9:fa2c79151a92 10
Alix955 9:fa2c79151a92 11 #include "sample_hardware.hpp"
Alix955 9:fa2c79151a92 12
Alix955 9:fa2c79151a92 13 #include "messageStruct.hpp"
Alix955 9:fa2c79151a92 14
Alix955 9:fa2c79151a92 15
Alix955 9:fa2c79151a92 16
Alix955 9:fa2c79151a92 17 class SDcard
Alix955 9:fa2c79151a92 18
Alix955 9:fa2c79151a92 19 {
Alix955 9:fa2c79151a92 20
Alix955 9:fa2c79151a92 21 private:
Alix955 9:fa2c79151a92 22
Alix955 9:fa2c79151a92 23
Alix955 9:fa2c79151a92 24
Alix955 9:fa2c79151a92 25 float temp; //current temperature of sensor
Alix955 9:fa2c79151a92 26
Alix955 9:fa2c79151a92 27 float pressure; //current pressure of sensor
Alix955 9:fa2c79151a92 28
Alix955 9:fa2c79151a92 29 float fLDR; //current light level from LDR
Alix955 9:fa2c79151a92 30
Alix955 9:fa2c79151a92 31
Alix955 9:fa2c79151a92 32
Alix955 9:fa2c79151a92 33 void update_temp(double t) //use this function to update the current temperature value
Alix955 9:fa2c79151a92 34
Alix955 9:fa2c79151a92 35 {
Alix955 9:fa2c79151a92 36
Alix955 9:fa2c79151a92 37 temp = t;
Alix955 9:fa2c79151a92 38
Alix955 9:fa2c79151a92 39 }
Alix955 9:fa2c79151a92 40
Alix955 9:fa2c79151a92 41 void update_pressure(double p) //use this function to update the current pressure value
Alix955 9:fa2c79151a92 42
Alix955 9:fa2c79151a92 43 {
Alix955 9:fa2c79151a92 44
Alix955 9:fa2c79151a92 45 pressure = p;
Alix955 9:fa2c79151a92 46
Alix955 9:fa2c79151a92 47 }
Alix955 9:fa2c79151a92 48
Alix955 9:fa2c79151a92 49 void update_LDR(double L)
Alix955 9:fa2c79151a92 50
Alix955 9:fa2c79151a92 51 {
Alix955 9:fa2c79151a92 52
Alix955 9:fa2c79151a92 53 fLDR = L;
Alix955 9:fa2c79151a92 54
Alix955 9:fa2c79151a92 55 }
Alix955 9:fa2c79151a92 56
Alix955 9:fa2c79151a92 57
Alix955 9:fa2c79151a92 58
Alix955 9:fa2c79151a92 59
Alix955 9:fa2c79151a92 60
Alix955 9:fa2c79151a92 61 public:
Alix955 9:fa2c79151a92 62
Alix955 9:fa2c79151a92 63
Alix955 9:fa2c79151a92 64
Alix955 9:fa2c79151a92 65 EventQueue SDcard_Queue;
Alix955 9:fa2c79151a92 66
Alix955 9:fa2c79151a92 67
Alix955 9:fa2c79151a92 68
Alix955 9:fa2c79151a92 69 SDcard(){ //constructor,
Alix955 9:fa2c79151a92 70
Alix955 9:fa2c79151a92 71
Alix955 9:fa2c79151a92 72
Alix955 9:fa2c79151a92 73 // initalising the SD card
Alix955 9:fa2c79151a92 74
Alix955 9:fa2c79151a92 75 printf("Initialise\n");
Alix955 9:fa2c79151a92 76
Alix955 9:fa2c79151a92 77 if ( sd.init() != 0) {
Alix955 9:fa2c79151a92 78
Alix955 9:fa2c79151a92 79 printf("Init failed \n");
Alix955 9:fa2c79151a92 80
Alix955 9:fa2c79151a92 81 errorCode(FATAL);
Alix955 9:fa2c79151a92 82
Alix955 9:fa2c79151a92 83 }
Alix955 9:fa2c79151a92 84
Alix955 9:fa2c79151a92 85 //Create a filing system for SD Card
Alix955 9:fa2c79151a92 86
Alix955 9:fa2c79151a92 87 FATFileSystem fs("sd", &sd);
Alix955 9:fa2c79151a92 88
Alix955 9:fa2c79151a92 89
Alix955 9:fa2c79151a92 90
Alix955 9:fa2c79151a92 91 temp = 0;
Alix955 9:fa2c79151a92 92
Alix955 9:fa2c79151a92 93 pressure = 0;
Alix955 9:fa2c79151a92 94
Alix955 9:fa2c79151a92 95 fLDR = 0;
Alix955 9:fa2c79151a92 96
Alix955 9:fa2c79151a92 97 }
Alix955 9:fa2c79151a92 98
Alix955 9:fa2c79151a92 99
Alix955 9:fa2c79151a92 100
Alix955 9:fa2c79151a92 101 ~SDcard(){ //Deconstructor,
Alix955 9:fa2c79151a92 102
Alix955 9:fa2c79151a92 103
Alix955 9:fa2c79151a92 104
Alix955 9:fa2c79151a92 105 //Close down SD card
Alix955 9:fa2c79151a92 106
Alix955 9:fa2c79151a92 107 sd.deinit();
Alix955 9:fa2c79151a92 108
Alix955 9:fa2c79151a92 109 printf("Finished\n");
Alix955 9:fa2c79151a92 110
Alix955 9:fa2c79151a92 111 errorCode(OK);
Alix955 9:fa2c79151a92 112
Alix955 9:fa2c79151a92 113
Alix955 9:fa2c79151a92 114
Alix955 9:fa2c79151a92 115 temp = 0;
Alix955 9:fa2c79151a92 116
Alix955 9:fa2c79151a92 117 pressure = 0;
Alix955 9:fa2c79151a92 118
Alix955 9:fa2c79151a92 119 fLDR = 0;
Alix955 9:fa2c79151a92 120
Alix955 9:fa2c79151a92 121 }
Alix955 9:fa2c79151a92 122
Alix955 9:fa2c79151a92 123
Alix955 9:fa2c79151a92 124
Alix955 9:fa2c79151a92 125
Alix955 9:fa2c79151a92 126
Alix955 9:fa2c79151a92 127 void update_sensor_info(sample_message msg) //updates all current sensor information, this is called by a ticker every 5 seconds to read from the mailbox
Alix955 9:fa2c79151a92 128
Alix955 9:fa2c79151a92 129 {
Alix955 9:fa2c79151a92 130
Alix955 9:fa2c79151a92 131 update_temp(msg.temp); // Include message class passing of data
Alix955 9:fa2c79151a92 132
Alix955 9:fa2c79151a92 133 update_pressure(msg.pressure);
Alix955 9:fa2c79151a92 134
Alix955 9:fa2c79151a92 135 update_LDR(msg.ldr);
Alix955 9:fa2c79151a92 136
Alix955 9:fa2c79151a92 137 }
Alix955 9:fa2c79151a92 138
Alix955 9:fa2c79151a92 139
Alix955 9:fa2c79151a92 140
Alix955 9:fa2c79151a92 141
Alix955 9:fa2c79151a92 142
Alix955 9:fa2c79151a92 143
Alix955 9:fa2c79151a92 144
Alix955 9:fa2c79151a92 145 void Save_Data() {
Alix955 9:fa2c79151a92 146
Alix955 9:fa2c79151a92 147
Alix955 9:fa2c79151a92 148
Alix955 9:fa2c79151a92 149 FILE* fp = fopen("/sd/SensorData.csv","a");
Alix955 9:fa2c79151a92 150
Alix955 9:fa2c79151a92 151
Alix955 9:fa2c79151a92 152
Alix955 9:fa2c79151a92 153 if (fp == NULL) {
Alix955 9:fa2c79151a92 154
Alix955 9:fa2c79151a92 155 error("Could not open file for write\n");
Alix955 9:fa2c79151a92 156
Alix955 9:fa2c79151a92 157 errorCode(FATAL);
Alix955 9:fa2c79151a92 158
Alix955 9:fa2c79151a92 159 }
Alix955 9:fa2c79151a92 160
Alix955 9:fa2c79151a92 161
Alix955 9:fa2c79151a92 162
Alix955 9:fa2c79151a92 163 //Storing sensor data in csv file
Alix955 9:fa2c79151a92 164
Alix955 9:fa2c79151a92 165 fprintf(fp, " Temperature , %4.2fC , Pressure , %4.2fmbar , Lux , %4.2f \n", temp , pressure , fLDR );
Alix955 9:fa2c79151a92 166
Alix955 9:fa2c79151a92 167
Alix955 9:fa2c79151a92 168
Alix955 9:fa2c79151a92 169
Alix955 9:fa2c79151a92 170
Alix955 9:fa2c79151a92 171 //Close the file
Alix955 9:fa2c79151a92 172
Alix955 9:fa2c79151a92 173 fclose("/sd/SensorData.csv","a");
Alix955 9:fa2c79151a92 174
Alix955 9:fa2c79151a92 175
Alix955 9:fa2c79151a92 176
Alix955 9:fa2c79151a92 177
Alix955 9:fa2c79151a92 178
Alix955 9:fa2c79151a92 179 }
Alix955 9:fa2c79151a92 180
Alix955 9:fa2c79151a92 181
Alix955 9:fa2c79151a92 182
Alix955 9:fa2c79151a92 183 }
Alix955 9:fa2c79151a92 184
Alix955 9:fa2c79151a92 185 // creating the instance SD of the class SDcard
Alix955 9:fa2c79151a92 186
Alix955 9:fa2c79151a92 187 SDcard m_oSD;
Alix955 9:fa2c79151a92 188
Alix955 9:fa2c79151a92 189 #endif