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Dependencies: BMP180 N5110 mbed
main.cpp@5:3246c4b8362c, 2015-05-07 (annotated)
- Committer:
- orlagilson
- Date:
- Thu May 07 16:11:21 2015 +0000
- Revision:
- 5:3246c4b8362c
- Parent:
- 4:0302731434a5
- Child:
- 6:1b5603fd1a9c
Sixth commit, doxygen commenting begun, all functions done.; Variables need to be completed.; Light measurements need to be added.; Error function partially added, LED works as designed.
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| orlagilson | 0:2fd314d76f37 | 1 | #include "mbed.h" |
| orlagilson | 0:2fd314d76f37 | 2 | #include "BMP180.h" |
| orlagilson | 0:2fd314d76f37 | 3 | #include "N5110.h" |
| orlagilson | 0:2fd314d76f37 | 4 | |
| orlagilson | 0:2fd314d76f37 | 5 | // VCC,SCE,RST,D/C,MOSI,SCLK,LED |
| orlagilson | 0:2fd314d76f37 | 6 | N5110 lcd(p7,p8,p9,p10,p11,p13,p26); |
| orlagilson | 0:2fd314d76f37 | 7 | // Can also power (VCC) directly from VOUT (3.3 V) - |
| orlagilson | 0:2fd314d76f37 | 8 | // Can give better performance due to current limitation from GPIO pin |
| orlagilson | 0:2fd314d76f37 | 9 | |
| orlagilson | 0:2fd314d76f37 | 10 | BMP180 bmp180(p28,p27); // SDA, SCL |
| orlagilson | 0:2fd314d76f37 | 11 | |
| orlagilson | 4:0302731434a5 | 12 | InterruptIn buttonleft(p15); |
| orlagilson | 0:2fd314d76f37 | 13 | AnalogIn BUT2(p16); |
| orlagilson | 0:2fd314d76f37 | 14 | AnalogIn POT(p20); |
| orlagilson | 5:3246c4b8362c | 15 | DigitalOut led(p25); |
| orlagilson | 0:2fd314d76f37 | 16 | |
| orlagilson | 0:2fd314d76f37 | 17 | int nx=84; |
| orlagilson | 0:2fd314d76f37 | 18 | int ny=48; |
| orlagilson | 0:2fd314d76f37 | 19 | int i,j; |
| orlagilson | 2:6b564e388747 | 20 | float temperature; |
| orlagilson | 2:6b564e388747 | 21 | float pressure; |
| orlagilson | 0:2fd314d76f37 | 22 | |
| orlagilson | 4:0302731434a5 | 23 | int buttonFlag=0; |
| orlagilson | 4:0302731434a5 | 24 | |
| orlagilson | 0:2fd314d76f37 | 25 | void clearCells(); |
| orlagilson | 4:0302731434a5 | 26 | void menu(); |
| orlagilson | 0:2fd314d76f37 | 27 | |
| orlagilson | 3:c9162dc9ba24 | 28 | Timeout callT; |
| orlagilson | 3:c9162dc9ba24 | 29 | Timeout callP; |
| orlagilson | 3:c9162dc9ba24 | 30 | |
| orlagilson | 1:1accd82f4281 | 31 | Ticker timerT; |
| orlagilson | 1:1accd82f4281 | 32 | Ticker timerP; |
| orlagilson | 5:3246c4b8362c | 33 | Ticker timerE; |
| orlagilson | 1:1accd82f4281 | 34 | |
| orlagilson | 1:1accd82f4281 | 35 | int timerTFlag = 0; |
| orlagilson | 1:1accd82f4281 | 36 | int timerPFlag = 0; |
| orlagilson | 5:3246c4b8362c | 37 | int timerEFlag = 0; |
| orlagilson | 1:1accd82f4281 | 38 | |
| orlagilson | 1:1accd82f4281 | 39 | void timerTExpired(){ |
| orlagilson | 1:1accd82f4281 | 40 | timerTFlag = 1; |
| orlagilson | 1:1accd82f4281 | 41 | } |
| orlagilson | 1:1accd82f4281 | 42 | void timerPExpired(){ |
| orlagilson | 1:1accd82f4281 | 43 | timerPFlag = 1; |
| orlagilson | 1:1accd82f4281 | 44 | } |
| orlagilson | 5:3246c4b8362c | 45 | void timerEExpired(){ |
| orlagilson | 5:3246c4b8362c | 46 | timerEFlag = 1; |
| orlagilson | 5:3246c4b8362c | 47 | } |
| orlagilson | 1:1accd82f4281 | 48 | |
| orlagilson | 4:0302731434a5 | 49 | void buttonPressed(){ |
| orlagilson | 4:0302731434a5 | 50 | buttonFlag=1; |
| orlagilson | 4:0302731434a5 | 51 | } |
| orlagilson | 4:0302731434a5 | 52 | |
| orlagilson | 5:3246c4b8362c | 53 | void error(){ |
| orlagilson | 5:3246c4b8362c | 54 | timerE.attach(&timerEExpired,2.0); |
| orlagilson | 5:3246c4b8362c | 55 | while(1){ |
| orlagilson | 5:3246c4b8362c | 56 | if (timerEFlag){ |
| orlagilson | 5:3246c4b8362c | 57 | timerEFlag=0; |
| orlagilson | 5:3246c4b8362c | 58 | led=1; |
| orlagilson | 5:3246c4b8362c | 59 | wait(1.0); |
| orlagilson | 5:3246c4b8362c | 60 | led=0; |
| orlagilson | 5:3246c4b8362c | 61 | } |
| orlagilson | 5:3246c4b8362c | 62 | } |
| orlagilson | 5:3246c4b8362c | 63 | } |
| orlagilson | 5:3246c4b8362c | 64 | |
| orlagilson | 5:3246c4b8362c | 65 | |
| orlagilson | 3:c9162dc9ba24 | 66 | void callTemp(){ |
| orlagilson | 3:c9162dc9ba24 | 67 | Measurement measurement; |
| orlagilson | 3:c9162dc9ba24 | 68 | clearCells(); |
| orlagilson | 3:c9162dc9ba24 | 69 | lcd.printString("Menu",0,5); |
| orlagilson | 3:c9162dc9ba24 | 70 | char bufferT[14]; |
| orlagilson | 3:c9162dc9ba24 | 71 | measurement = bmp180.readValues(); |
| orlagilson | 3:c9162dc9ba24 | 72 | int length=sprintf(bufferT,"T = %.2f C",measurement.temperature); |
| orlagilson | 3:c9162dc9ba24 | 73 | if (length<=14){ |
| orlagilson | 3:c9162dc9ba24 | 74 | lcd.printString(bufferT,10,2); |
| orlagilson | 3:c9162dc9ba24 | 75 | } |
| orlagilson | 3:c9162dc9ba24 | 76 | } |
| orlagilson | 3:c9162dc9ba24 | 77 | |
| orlagilson | 3:c9162dc9ba24 | 78 | void callPress(){ |
| orlagilson | 3:c9162dc9ba24 | 79 | Measurement measurement; |
| orlagilson | 3:c9162dc9ba24 | 80 | clearCells(); |
| orlagilson | 3:c9162dc9ba24 | 81 | lcd.printString("Menu",0,5); |
| orlagilson | 3:c9162dc9ba24 | 82 | char bufferP[14]; |
| orlagilson | 3:c9162dc9ba24 | 83 | measurement = bmp180.readValues(); |
| orlagilson | 3:c9162dc9ba24 | 84 | int length=sprintf(bufferP,"P = %.2f mb",measurement.pressure); |
| orlagilson | 3:c9162dc9ba24 | 85 | if (length<=14){ |
| orlagilson | 3:c9162dc9ba24 | 86 | lcd.printString(bufferP,0,2); |
| orlagilson | 3:c9162dc9ba24 | 87 | } |
| orlagilson | 3:c9162dc9ba24 | 88 | } |
| orlagilson | 3:c9162dc9ba24 | 89 | |
| orlagilson | 0:2fd314d76f37 | 90 | void readTemp(){ |
| orlagilson | 3:c9162dc9ba24 | 91 | callT.attach(&callTemp,0.1); |
| orlagilson | 4:0302731434a5 | 92 | timerT.attach(&timerTExpired,60); |
| orlagilson | 0:2fd314d76f37 | 93 | while(1){ |
| orlagilson | 1:1accd82f4281 | 94 | if (timerTFlag){ |
| orlagilson | 1:1accd82f4281 | 95 | timerTFlag=0; |
| orlagilson | 2:6b564e388747 | 96 | Measurement measurement; |
| orlagilson | 1:1accd82f4281 | 97 | clearCells(); |
| orlagilson | 3:c9162dc9ba24 | 98 | lcd.printString("Menu",0,5); |
| orlagilson | 1:1accd82f4281 | 99 | char bufferT[14]; |
| orlagilson | 1:1accd82f4281 | 100 | measurement = bmp180.readValues(); |
| orlagilson | 1:1accd82f4281 | 101 | int length=sprintf(bufferT,"T = %.2f C",measurement.temperature); |
| orlagilson | 1:1accd82f4281 | 102 | if (length<=14){ |
| orlagilson | 1:1accd82f4281 | 103 | lcd.printString(bufferT,10,2); |
| orlagilson | 1:1accd82f4281 | 104 | } |
| orlagilson | 0:2fd314d76f37 | 105 | } |
| orlagilson | 4:0302731434a5 | 106 | if (buttonFlag){ |
| orlagilson | 4:0302731434a5 | 107 | buttonFlag=0; |
| orlagilson | 4:0302731434a5 | 108 | menu(); |
| orlagilson | 4:0302731434a5 | 109 | } |
| orlagilson | 0:2fd314d76f37 | 110 | } |
| orlagilson | 0:2fd314d76f37 | 111 | } |
| orlagilson | 0:2fd314d76f37 | 112 | |
| orlagilson | 0:2fd314d76f37 | 113 | void readPress(){ |
| orlagilson | 3:c9162dc9ba24 | 114 | callP.attach(&callPress,0.1); |
| orlagilson | 4:0302731434a5 | 115 | timerP.attach(&timerPExpired,1800); |
| orlagilson | 0:2fd314d76f37 | 116 | while(1){ |
| orlagilson | 1:1accd82f4281 | 117 | if (timerPFlag){ |
| orlagilson | 1:1accd82f4281 | 118 | timerPFlag=0; |
| orlagilson | 2:6b564e388747 | 119 | Measurement measurement; |
| orlagilson | 1:1accd82f4281 | 120 | clearCells(); |
| orlagilson | 3:c9162dc9ba24 | 121 | lcd.printString("Menu",0,5); |
| orlagilson | 1:1accd82f4281 | 122 | char bufferP[14]; |
| orlagilson | 1:1accd82f4281 | 123 | measurement = bmp180.readValues(); |
| orlagilson | 1:1accd82f4281 | 124 | int length=sprintf(bufferP,"P = %.2f mb",measurement.pressure); |
| orlagilson | 1:1accd82f4281 | 125 | if (length<=14){ |
| orlagilson | 1:1accd82f4281 | 126 | lcd.printString(bufferP,0,2); |
| orlagilson | 1:1accd82f4281 | 127 | } |
| orlagilson | 0:2fd314d76f37 | 128 | } |
| orlagilson | 4:0302731434a5 | 129 | if (buttonFlag){ |
| orlagilson | 4:0302731434a5 | 130 | buttonFlag=0; |
| orlagilson | 4:0302731434a5 | 131 | menu(); |
| orlagilson | 4:0302731434a5 | 132 | } |
| orlagilson | 0:2fd314d76f37 | 133 | } |
| orlagilson | 0:2fd314d76f37 | 134 | } |
| orlagilson | 0:2fd314d76f37 | 135 | |
| orlagilson | 2:6b564e388747 | 136 | void measurement(){ |
| orlagilson | 2:6b564e388747 | 137 | Measurement measurement; |
| orlagilson | 2:6b564e388747 | 138 | measurement=bmp180.readValues(); |
| orlagilson | 2:6b564e388747 | 139 | temperature=measurement.temperature; |
| orlagilson | 2:6b564e388747 | 140 | pressure=measurement.pressure; |
| orlagilson | 2:6b564e388747 | 141 | } |
| orlagilson | 2:6b564e388747 | 142 | |
| orlagilson | 2:6b564e388747 | 143 | void tempGraph(){ |
| orlagilson | 4:0302731434a5 | 144 | timerT.attach(&timerTExpired,2); |
| orlagilson | 2:6b564e388747 | 145 | int j=0; //start graph on left hand side of screen |
| orlagilson | 2:6b564e388747 | 146 | while(1){ |
| orlagilson | 3:c9162dc9ba24 | 147 | lcd.printString("Menu",0,5); |
| orlagilson | 2:6b564e388747 | 148 | if (timerTFlag){ |
| orlagilson | 2:6b564e388747 | 149 | timerTFlag=0; |
| orlagilson | 2:6b564e388747 | 150 | clearCells(); |
| orlagilson | 2:6b564e388747 | 151 | float tempArray[84]; //create array of temperature values |
| orlagilson | 2:6b564e388747 | 152 | measurement(); //read in the measured values of temperature |
| orlagilson | 2:6b564e388747 | 153 | tempArray[j]=(temperature/47); |
| orlagilson | 2:6b564e388747 | 154 | j++; //add one to j so that the next point plotted moves across the screen by one pixel |
| orlagilson | 2:6b564e388747 | 155 | lcd.plotArray(tempArray); //plot the array |
| orlagilson | 2:6b564e388747 | 156 | wait(0.1); //wait one second before plotting the next point |
| orlagilson | 2:6b564e388747 | 157 | } |
| orlagilson | 4:0302731434a5 | 158 | if (buttonFlag){ |
| orlagilson | 4:0302731434a5 | 159 | buttonFlag=0; |
| orlagilson | 4:0302731434a5 | 160 | menu(); |
| orlagilson | 4:0302731434a5 | 161 | } |
| orlagilson | 2:6b564e388747 | 162 | } |
| orlagilson | 2:6b564e388747 | 163 | } |
| orlagilson | 2:6b564e388747 | 164 | |
| orlagilson | 2:6b564e388747 | 165 | void pressGraph(){ |
| orlagilson | 4:0302731434a5 | 166 | timerP.attach(&timerPExpired,2); |
| orlagilson | 2:6b564e388747 | 167 | int j=0; |
| orlagilson | 2:6b564e388747 | 168 | while(1){ |
| orlagilson | 3:c9162dc9ba24 | 169 | lcd.printString("Menu",0,5); |
| orlagilson | 2:6b564e388747 | 170 | if (timerPFlag){ |
| orlagilson | 2:6b564e388747 | 171 | timerPFlag=0; |
| orlagilson | 2:6b564e388747 | 172 | clearCells(); |
| orlagilson | 2:6b564e388747 | 173 | float pressArray[84]; |
| orlagilson | 2:6b564e388747 | 174 | measurement(); |
| orlagilson | 2:6b564e388747 | 175 | pressArray[j]=(pressure/1100); |
| orlagilson | 2:6b564e388747 | 176 | j++; |
| orlagilson | 2:6b564e388747 | 177 | lcd.plotArray(pressArray); |
| orlagilson | 4:0302731434a5 | 178 | wait(0.1); |
| orlagilson | 4:0302731434a5 | 179 | } |
| orlagilson | 4:0302731434a5 | 180 | if (buttonFlag){ |
| orlagilson | 4:0302731434a5 | 181 | buttonFlag=0; |
| orlagilson | 4:0302731434a5 | 182 | menu(); |
| orlagilson | 2:6b564e388747 | 183 | } |
| orlagilson | 2:6b564e388747 | 184 | } |
| orlagilson | 2:6b564e388747 | 185 | } |
| orlagilson | 2:6b564e388747 | 186 | |
| orlagilson | 4:0302731434a5 | 187 | void menu(){ |
| orlagilson | 4:0302731434a5 | 188 | buttonleft.rise(&buttonPressed); |
| orlagilson | 0:2fd314d76f37 | 189 | while(1) { |
| orlagilson | 2:6b564e388747 | 190 | wait (0.1); |
| orlagilson | 0:2fd314d76f37 | 191 | lcd.normalMode(); //normal LCD colour mode |
| orlagilson | 0:2fd314d76f37 | 192 | lcd.setBrightness(0.5); //LCD backlight set to 50% brightness |
| orlagilson | 0:2fd314d76f37 | 193 | if (POT>(2.0/3.0)) { |
| orlagilson | 0:2fd314d76f37 | 194 | clearCells(); |
| orlagilson | 0:2fd314d76f37 | 195 | lcd.printString("Temperature",10,1); |
| orlagilson | 0:2fd314d76f37 | 196 | lcd.printString(">",80,2); |
| orlagilson | 0:2fd314d76f37 | 197 | lcd.printString("Graph",0,5); |
| orlagilson | 0:2fd314d76f37 | 198 | lcd.printString("Current",43,5); |
| orlagilson | 4:0302731434a5 | 199 | if (buttonFlag){ //left button takes the user to the graph option |
| orlagilson | 4:0302731434a5 | 200 | buttonFlag=0; |
| orlagilson | 0:2fd314d76f37 | 201 | clearCells(); |
| orlagilson | 2:6b564e388747 | 202 | tempGraph(); |
| orlagilson | 0:2fd314d76f37 | 203 | } |
| orlagilson | 0:2fd314d76f37 | 204 | if (BUT2>0.9) { //right button takes the user to the current reading |
| orlagilson | 0:2fd314d76f37 | 205 | clearCells(); |
| orlagilson | 0:2fd314d76f37 | 206 | readTemp(); |
| orlagilson | 0:2fd314d76f37 | 207 | } |
| orlagilson | 0:2fd314d76f37 | 208 | } |
| orlagilson | 0:2fd314d76f37 | 209 | if ((POT>1.0/3.0)&&(POT<2.0/3.0)) { |
| orlagilson | 0:2fd314d76f37 | 210 | clearCells(); |
| orlagilson | 0:2fd314d76f37 | 211 | lcd.printString("Pressure",20,1); |
| orlagilson | 0:2fd314d76f37 | 212 | lcd.printString("<",0,2); |
| orlagilson | 0:2fd314d76f37 | 213 | lcd.printString(">",80,2); |
| orlagilson | 0:2fd314d76f37 | 214 | lcd.printString("Graph",0,5); |
| orlagilson | 0:2fd314d76f37 | 215 | lcd.printString("Current",43,5); |
| orlagilson | 4:0302731434a5 | 216 | if (buttonFlag) { |
| orlagilson | 4:0302731434a5 | 217 | buttonFlag=0; |
| orlagilson | 0:2fd314d76f37 | 218 | clearCells(); |
| orlagilson | 2:6b564e388747 | 219 | pressGraph(); |
| orlagilson | 0:2fd314d76f37 | 220 | } |
| orlagilson | 0:2fd314d76f37 | 221 | if (BUT2>0.9) { |
| orlagilson | 0:2fd314d76f37 | 222 | clearCells(); |
| orlagilson | 0:2fd314d76f37 | 223 | readPress(); |
| orlagilson | 0:2fd314d76f37 | 224 | } |
| orlagilson | 0:2fd314d76f37 | 225 | } |
| orlagilson | 0:2fd314d76f37 | 226 | if (POT<(1.0/3.0)) { |
| orlagilson | 0:2fd314d76f37 | 227 | clearCells(); |
| orlagilson | 0:2fd314d76f37 | 228 | lcd.printString("Light",30,1); |
| orlagilson | 0:2fd314d76f37 | 229 | lcd.printString("<",0,2); |
| orlagilson | 0:2fd314d76f37 | 230 | lcd.printString("Graph",0,5); |
| orlagilson | 0:2fd314d76f37 | 231 | lcd.printString("Current",43,5); |
| orlagilson | 4:0302731434a5 | 232 | if (buttonFlag) { |
| orlagilson | 4:0302731434a5 | 233 | buttonFlag=0; |
| orlagilson | 0:2fd314d76f37 | 234 | clearCells(); |
| orlagilson | 0:2fd314d76f37 | 235 | //lightGraph(); |
| orlagilson | 0:2fd314d76f37 | 236 | } |
| orlagilson | 0:2fd314d76f37 | 237 | if (BUT2>0.9) { |
| orlagilson | 0:2fd314d76f37 | 238 | clearCells(); |
| orlagilson | 0:2fd314d76f37 | 239 | //readLight(); |
| orlagilson | 0:2fd314d76f37 | 240 | } |
| orlagilson | 0:2fd314d76f37 | 241 | } |
| orlagilson | 0:2fd314d76f37 | 242 | } |
| orlagilson | 0:2fd314d76f37 | 243 | } |
| orlagilson | 0:2fd314d76f37 | 244 | |
| orlagilson | 0:2fd314d76f37 | 245 | void clearCells () |
| orlagilson | 0:2fd314d76f37 | 246 | { |
| orlagilson | 0:2fd314d76f37 | 247 | //loop through cells and clear |
| orlagilson | 0:2fd314d76f37 | 248 | for (int i=0; i<nx; i++) { |
| orlagilson | 0:2fd314d76f37 | 249 | for (int j=0; j<ny; j++) { |
| orlagilson | 0:2fd314d76f37 | 250 | lcd.clearPixel(i,j); |
| orlagilson | 0:2fd314d76f37 | 251 | } |
| orlagilson | 0:2fd314d76f37 | 252 | } |
| orlagilson | 0:2fd314d76f37 | 253 | lcd.refresh (); //must refresh to write buffer to display |
| orlagilson | 0:2fd314d76f37 | 254 | } |
| orlagilson | 0:2fd314d76f37 | 255 | |
| orlagilson | 1:1accd82f4281 | 256 | int main(){ |
| orlagilson | 1:1accd82f4281 | 257 | lcd.init(); |
| orlagilson | 1:1accd82f4281 | 258 | bmp180.init(); |
| orlagilson | 1:1accd82f4281 | 259 | menu(); |
| orlagilson | 0:2fd314d76f37 | 260 | } |