ENSMM
Programme complet du projet SBra. Lecture de 64 capteur thermique I2C avec 2 multiplexeur TCA9548A, enregistrement sur carte microSD et communication BLE.
Dependencies: TCA9548A mbed SimpleBLE X_NUCLEO_IDB0XA1 SDFileSystem3 USBDevice
main.cpp@9:0b803d9b4af4, 2020-01-28 (annotated)
- Committer:
- adrevong
- Date:
- Tue Jan 28 11:19:57 2020 +0000
- Revision:
- 9:0b803d9b4af4
- Parent:
- 7:f5e10b18984d
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| adrevong | 9:0b803d9b4af4 | 1 | /* MEMOS |
| adrevong | 9:0b803d9b4af4 | 2 | |
| adrevong | 9:0b803d9b4af4 | 3 | Addresses of the different sensors TMP117 : |
| adrevong | 9:0b803d9b4af4 | 4 | 112 (Decimel) = 70 (Hexadecimal) |
| adrevong | 9:0b803d9b4af4 | 5 | 116 (Decimel) = 74 (Hexadecimal) |
| jimbaud | 6:1670244c4eb4 | 6 | |
| adrevong | 9:0b803d9b4af4 | 7 | Addresses of the different sensors TMP117 : |
| adrevong | 9:0b803d9b4af4 | 8 | Ground 1001000x (0x90/0x91) Address 1 |
| adrevong | 9:0b803d9b4af4 | 9 | V+ 1001001x (0x92/0x93) Address 2 |
| adrevong | 9:0b803d9b4af4 | 10 | SDA 1001010x (0x94/0x95) Address 3 |
| adrevong | 9:0b803d9b4af4 | 11 | SCL 1001011x (0x96/0x97) Address 4 |
| adrevong | 9:0b803d9b4af4 | 12 | */ |
| adrevong | 9:0b803d9b4af4 | 13 | |
| adrevong | 9:0b803d9b4af4 | 14 | |
| adrevong | 9:0b803d9b4af4 | 15 | int Intervalle_Mesures = 300; //Choix de l'intervalle de mesure en sec |
| adrevong | 9:0b803d9b4af4 | 16 | |
| adrevong | 9:0b803d9b4af4 | 17 | |
| adrevong | 9:0b803d9b4af4 | 18 | |
| adrevong | 9:0b803d9b4af4 | 19 | //Includes |
| janjongboom | 0:ba1c49874d3c | 20 | #include "mbed.h" |
| janjongboom | 0:ba1c49874d3c | 21 | #include "SimpleBLE.h" |
| adrevong | 9:0b803d9b4af4 | 22 | #include "tca9548a.h" // tca954a libary |
| adrevong | 9:0b803d9b4af4 | 23 | #include "SDFileSystem.h" // Sd-Card Libray |
| adrevong | 9:0b803d9b4af4 | 24 | Timer timer; |
| adrevong | 9:0b803d9b4af4 | 25 | #include "USBSerial.h" |
| janjongboom | 0:ba1c49874d3c | 26 | |
| adrevong | 9:0b803d9b4af4 | 27 | #define I2C_SDA PB_9 // The µcontrolleur SDA |
| adrevong | 9:0b803d9b4af4 | 28 | #define I2C_SCL PB_8 // The µcontrolleur SCL |
| jimbaud | 6:1670244c4eb4 | 29 | |
| adrevong | 9:0b803d9b4af4 | 30 | //SD Card |
| adrevong | 9:0b803d9b4af4 | 31 | #define MOSI PA_7 |
| adrevong | 9:0b803d9b4af4 | 32 | #define MISO PA_6 |
| adrevong | 9:0b803d9b4af4 | 33 | #define sclk PA_5 |
| adrevong | 9:0b803d9b4af4 | 34 | #define cs PB_6 |
| adrevong | 9:0b803d9b4af4 | 35 | |
| adrevong | 9:0b803d9b4af4 | 36 | |
| adrevong | 9:0b803d9b4af4 | 37 | //USART |
| adrevong | 9:0b803d9b4af4 | 38 | USBSerial pc(0x1f00, 0x2012, 0x0001, false); |
| jimbaud | 6:1670244c4eb4 | 39 | |
| jimbaud | 6:1670244c4eb4 | 40 | //Init simpleBLE |
| adrevong | 9:0b803d9b4af4 | 41 | SimpleBLE ble("SBRA"); |
| jimbaud | 6:1670244c4eb4 | 42 | |
| adrevong | 9:0b803d9b4af4 | 43 | // Multiplexeurs |
| adrevong | 9:0b803d9b4af4 | 44 | TCA9548A i2c_sw1(I2C_SDA, I2C_SCL, 0x70); |
| adrevong | 9:0b803d9b4af4 | 45 | TCA9548A i2c_sw2(I2C_SDA, I2C_SCL, 0x74); |
| jimbaud | 6:1670244c4eb4 | 46 | |
| adrevong | 9:0b803d9b4af4 | 47 | //Voie I2C du F411 |
| adrevong | 9:0b803d9b4af4 | 48 | I2C i2c(I2C_SDA, I2C_SCL); |
| jimbaud | 6:1670244c4eb4 | 49 | |
| adrevong | 9:0b803d9b4af4 | 50 | //SD Pinout |
| adrevong | 9:0b803d9b4af4 | 51 | SDFileSystem sd(MOSI, MISO, sclk, cs, "sd"); |
| jimbaud | 6:1670244c4eb4 | 52 | |
| jimbaud | 6:1670244c4eb4 | 53 | //Interrupt input |
| adrevong | 9:0b803d9b4af4 | 54 | InterruptIn button(PC_13); //User1 |
| jimbaud | 6:1670244c4eb4 | 55 | |
| jimbaud | 6:1670244c4eb4 | 56 | |
| jimbaud | 6:1670244c4eb4 | 57 | |
| adrevong | 9:0b803d9b4af4 | 58 | //Variables |
| adrevong | 9:0b803d9b4af4 | 59 | FILE *SDsave; |
| adrevong | 9:0b803d9b4af4 | 60 | float tmp[64]; |
| adrevong | 9:0b803d9b4af4 | 61 | char cmd[2]; |
| adrevong | 9:0b803d9b4af4 | 62 | //Sensors Address |
| adrevong | 9:0b803d9b4af4 | 63 | char ADD[8]; |
| adrevong | 9:0b803d9b4af4 | 64 | |
| adrevong | 9:0b803d9b4af4 | 65 | |
| adrevong | 9:0b803d9b4af4 | 66 | // Characteristics BLE_Sensors input |
| adrevong | 9:0b803d9b4af4 | 67 | SimpleChar<float> T11 = ble.readOnly_float(0xA000, 0xA002); |
| adrevong | 9:0b803d9b4af4 | 68 | SimpleChar<float> T21 = ble.readOnly_float(0xA000, 0xA006); |
| adrevong | 9:0b803d9b4af4 | 69 | SimpleChar<float> T31 = ble.readOnly_float(0xA000, 0xA010); |
| adrevong | 9:0b803d9b4af4 | 70 | |
| adrevong | 9:0b803d9b4af4 | 71 | |
| adrevong | 9:0b803d9b4af4 | 72 | |
| adrevong | 9:0b803d9b4af4 | 73 | void SD(int Save){ |
| jimbaud | 6:1670244c4eb4 | 74 | |
| adrevong | 9:0b803d9b4af4 | 75 | if (Save == 2){ |
| adrevong | 9:0b803d9b4af4 | 76 | SDsave= fopen("/sd/SBraTests.txt", "w"); // Open the .txt file |
| adrevong | 9:0b803d9b4af4 | 77 | pc.printf(" initialisation SD OK\t"); |
| adrevong | 9:0b803d9b4af4 | 78 | } |
| adrevong | 9:0b803d9b4af4 | 79 | |
| adrevong | 9:0b803d9b4af4 | 80 | if (Save == 1){ |
| adrevong | 9:0b803d9b4af4 | 81 | //SD Save |
| adrevong | 9:0b803d9b4af4 | 82 | for (int z=0; z<=63; z++){ |
| adrevong | 9:0b803d9b4af4 | 83 | pc.printf(" %0.2f", tmp[z]); //Affichage pour validation |
| adrevong | 9:0b803d9b4af4 | 84 | fprintf(SDsave, "%0.3f\t", tmp[z]); // Savegarde sur carte SD |
| adrevong | 9:0b803d9b4af4 | 85 | |
| adrevong | 9:0b803d9b4af4 | 86 | if(SDsave == NULL) { error("Could not open file for write\n");} |
| adrevong | 9:0b803d9b4af4 | 87 | } |
| adrevong | 9:0b803d9b4af4 | 88 | fprintf(SDsave, "\n"); |
| adrevong | 9:0b803d9b4af4 | 89 | pc.printf(" \n\r"); |
| adrevong | 9:0b803d9b4af4 | 90 | } |
| adrevong | 9:0b803d9b4af4 | 91 | |
| adrevong | 9:0b803d9b4af4 | 92 | if (Save == 3){ |
| adrevong | 9:0b803d9b4af4 | 93 | fclose(SDsave); |
| adrevong | 9:0b803d9b4af4 | 94 | pc.printf("Finish\n"); |
| adrevong | 9:0b803d9b4af4 | 95 | } |
| adrevong | 9:0b803d9b4af4 | 96 | } |
| jimbaud | 6:1670244c4eb4 | 97 | |
| jimbaud | 6:1670244c4eb4 | 98 | |
| adrevong | 9:0b803d9b4af4 | 99 | void Sensors(int Lecture){ |
| adrevong | 9:0b803d9b4af4 | 100 | if (Lecture == 0){ |
| adrevong | 9:0b803d9b4af4 | 101 | //Initialisation des capteurs |
| adrevong | 9:0b803d9b4af4 | 102 | for (int channel=0; channel<=7; channel++){ |
| adrevong | 9:0b803d9b4af4 | 103 | i2c_sw1.select(channel); |
| adrevong | 9:0b803d9b4af4 | 104 | for (int i=0; i<=6;){ |
| adrevong | 9:0b803d9b4af4 | 105 | cmd[0] = 0x01; |
| adrevong | 9:0b803d9b4af4 | 106 | cmd[1] = 0x00; |
| adrevong | 9:0b803d9b4af4 | 107 | |
| adrevong | 9:0b803d9b4af4 | 108 | i2c.write(ADD[i+1], cmd, 2); |
| adrevong | 9:0b803d9b4af4 | 109 | cmd[0] = 0x00; |
| adrevong | 9:0b803d9b4af4 | 110 | i2c.write(ADD[i+1], cmd, 1); |
| adrevong | 9:0b803d9b4af4 | 111 | |
| adrevong | 9:0b803d9b4af4 | 112 | wait(0.3); |
| adrevong | 9:0b803d9b4af4 | 113 | i = i + 2; |
| adrevong | 9:0b803d9b4af4 | 114 | } |
| adrevong | 9:0b803d9b4af4 | 115 | wait(0.3); |
| adrevong | 9:0b803d9b4af4 | 116 | |
| adrevong | 9:0b803d9b4af4 | 117 | i2c_sw2.select(channel); |
| adrevong | 9:0b803d9b4af4 | 118 | wait(0.1); |
| adrevong | 9:0b803d9b4af4 | 119 | for (int i=0; i<=6;){ |
| adrevong | 9:0b803d9b4af4 | 120 | cmd[0] = 0x01; |
| adrevong | 9:0b803d9b4af4 | 121 | cmd[1] = 0x00; |
| adrevong | 9:0b803d9b4af4 | 122 | |
| adrevong | 9:0b803d9b4af4 | 123 | i2c.write(ADD[i+1], cmd, 2); |
| adrevong | 9:0b803d9b4af4 | 124 | cmd[0] = 0x00; |
| adrevong | 9:0b803d9b4af4 | 125 | i2c.write(ADD[i+1], cmd, 1); |
| adrevong | 9:0b803d9b4af4 | 126 | |
| adrevong | 9:0b803d9b4af4 | 127 | wait(0.3); |
| adrevong | 9:0b803d9b4af4 | 128 | i = i + 2; |
| adrevong | 9:0b803d9b4af4 | 129 | } |
| adrevong | 9:0b803d9b4af4 | 130 | } |
| adrevong | 9:0b803d9b4af4 | 131 | pc.printf(" initialisation Sensors OK\t"); |
| adrevong | 9:0b803d9b4af4 | 132 | } |
| adrevong | 9:0b803d9b4af4 | 133 | |
| adrevong | 9:0b803d9b4af4 | 134 | if (Lecture == 1){ |
| adrevong | 9:0b803d9b4af4 | 135 | int num_capteur = 0; |
| adrevong | 9:0b803d9b4af4 | 136 | //Valeurs du multiplexeur n°1 |
| adrevong | 9:0b803d9b4af4 | 137 | for (int channel=0; channel<=7; channel++){ |
| adrevong | 9:0b803d9b4af4 | 138 | i2c_sw1.select(channel); |
| adrevong | 9:0b803d9b4af4 | 139 | //Lecture des sensors de chaine selectionne |
| adrevong | 9:0b803d9b4af4 | 140 | for (int i=0; i<=6;){ |
| adrevong | 9:0b803d9b4af4 | 141 | cmd[0] = 0; |
| adrevong | 9:0b803d9b4af4 | 142 | cmd[1] = 0; |
| adrevong | 9:0b803d9b4af4 | 143 | |
| adrevong | 9:0b803d9b4af4 | 144 | i2c.read(ADD[i], cmd, 2); |
| adrevong | 9:0b803d9b4af4 | 145 | wait(0.1); |
| adrevong | 9:0b803d9b4af4 | 146 | |
| adrevong | 9:0b803d9b4af4 | 147 | float x = float(cmd[0])*2; |
| adrevong | 9:0b803d9b4af4 | 148 | float y = float(cmd[1])*0.0078125; |
| adrevong | 9:0b803d9b4af4 | 149 | tmp[num_capteur] = x + y; |
| adrevong | 9:0b803d9b4af4 | 150 | //printf(" %0.2f", x+y);//********* |
| adrevong | 9:0b803d9b4af4 | 151 | i = i+2; |
| adrevong | 9:0b803d9b4af4 | 152 | num_capteur++; |
| adrevong | 9:0b803d9b4af4 | 153 | } |
| adrevong | 9:0b803d9b4af4 | 154 | } |
| adrevong | 9:0b803d9b4af4 | 155 | wait(0.1); |
| adrevong | 9:0b803d9b4af4 | 156 | //Valeurs du multiplexeur n°2 |
| adrevong | 9:0b803d9b4af4 | 157 | for (int channel=0; channel<=7; channel++){ |
| adrevong | 9:0b803d9b4af4 | 158 | i2c_sw2.select(channel); |
| adrevong | 9:0b803d9b4af4 | 159 | //Lecture des sensors de chaine selectionne |
| adrevong | 9:0b803d9b4af4 | 160 | for (int i=0; i<=6;){ |
| adrevong | 9:0b803d9b4af4 | 161 | cmd[0] = 0; |
| adrevong | 9:0b803d9b4af4 | 162 | cmd[1] = 0; |
| adrevong | 9:0b803d9b4af4 | 163 | |
| adrevong | 9:0b803d9b4af4 | 164 | i2c.read(ADD[i], cmd, 2); |
| adrevong | 9:0b803d9b4af4 | 165 | wait(0.1); |
| adrevong | 9:0b803d9b4af4 | 166 | |
| adrevong | 9:0b803d9b4af4 | 167 | float x = float(cmd[0])*2; |
| adrevong | 9:0b803d9b4af4 | 168 | float y = float(cmd[1])*0.0078125; |
| adrevong | 9:0b803d9b4af4 | 169 | tmp[num_capteur] = x + y; |
| adrevong | 9:0b803d9b4af4 | 170 | //printf(" %0.2f", x+y);//***** |
| adrevong | 9:0b803d9b4af4 | 171 | i = i+2; |
| adrevong | 9:0b803d9b4af4 | 172 | num_capteur++; |
| adrevong | 9:0b803d9b4af4 | 173 | } |
| adrevong | 9:0b803d9b4af4 | 174 | } |
| adrevong | 9:0b803d9b4af4 | 175 | SD(1); |
| adrevong | 9:0b803d9b4af4 | 176 | } |
| jimbaud | 6:1670244c4eb4 | 177 | } |
| jimbaud | 6:1670244c4eb4 | 178 | |
| jimbaud | 6:1670244c4eb4 | 179 | // When characteristic input changing |
| jimbaud | 6:1670244c4eb4 | 180 | void Accupdate() |
| jimbaud | 6:1670244c4eb4 | 181 | { |
| adrevong | 9:0b803d9b4af4 | 182 | T11 = tmp[0]; |
| adrevong | 9:0b803d9b4af4 | 183 | T21 = tmp[4]; |
| adrevong | 9:0b803d9b4af4 | 184 | T31 = tmp[8]; |
| jimbaud | 6:1670244c4eb4 | 185 | } |
| jimbaud | 6:1670244c4eb4 | 186 | |
| jimbaud | 6:1670244c4eb4 | 187 | //Main program |
| adrevong | 9:0b803d9b4af4 | 188 | int main(){ |
| adrevong | 9:0b803d9b4af4 | 189 | |
| adrevong | 9:0b803d9b4af4 | 190 | timer.start(); |
| adrevong | 9:0b803d9b4af4 | 191 | float time, time1; |
| adrevong | 9:0b803d9b4af4 | 192 | |
| adrevong | 9:0b803d9b4af4 | 193 | time = timer.read_ms()/1000; |
| adrevong | 9:0b803d9b4af4 | 194 | //Sensors Address 1 |
| adrevong | 9:0b803d9b4af4 | 195 | ADD[0]=0x90; |
| adrevong | 9:0b803d9b4af4 | 196 | ADD[1]=0x91; |
| adrevong | 9:0b803d9b4af4 | 197 | //Sensors Address 2 |
| adrevong | 9:0b803d9b4af4 | 198 | ADD[2]=0x92; |
| adrevong | 9:0b803d9b4af4 | 199 | ADD[3]=0x93; |
| adrevong | 9:0b803d9b4af4 | 200 | //Sensors Address 3 |
| adrevong | 9:0b803d9b4af4 | 201 | ADD[4]=0x94; |
| adrevong | 9:0b803d9b4af4 | 202 | ADD[5]=0x95; |
| adrevong | 9:0b803d9b4af4 | 203 | //Sensors Address 4 |
| adrevong | 9:0b803d9b4af4 | 204 | ADD[6]=0x96; |
| adrevong | 9:0b803d9b4af4 | 205 | ADD[7]=0x97; |
| adrevong | 9:0b803d9b4af4 | 206 | |
| adrevong | 9:0b803d9b4af4 | 207 | pc.printf("Initialiation...\t"); |
| adrevong | 9:0b803d9b4af4 | 208 | |
| adrevong | 9:0b803d9b4af4 | 209 | Sensors(0); |
| adrevong | 9:0b803d9b4af4 | 210 | SD(2); |
| adrevong | 9:0b803d9b4af4 | 211 | wait(2); |
| jimbaud | 6:1670244c4eb4 | 212 | ble.start(); |
| jimbaud | 6:1670244c4eb4 | 213 | Ticker t; |
| jimbaud | 6:1670244c4eb4 | 214 | t.attach(&Accupdate, 5.0f); |
| adrevong | 9:0b803d9b4af4 | 215 | |
| adrevong | 9:0b803d9b4af4 | 216 | pc.printf("Initialisation OK\t"); |
| adrevong | 9:0b803d9b4af4 | 217 | pc.printf(" \n\r"); |
| jimbaud | 6:1670244c4eb4 | 218 | |
| adrevong | 9:0b803d9b4af4 | 219 | while (button == 1) { |
| adrevong | 9:0b803d9b4af4 | 220 | time1 = timer.read_ms()/1000; |
| jimbaud | 6:1670244c4eb4 | 221 | ble.waitForEvent(); |
| adrevong | 9:0b803d9b4af4 | 222 | |
| adrevong | 9:0b803d9b4af4 | 223 | if (time1-time>Intervalle_Mesures){ |
| adrevong | 9:0b803d9b4af4 | 224 | Sensors(1); |
| adrevong | 9:0b803d9b4af4 | 225 | time=timer.read_ms()/1000; |
| adrevong | 9:0b803d9b4af4 | 226 | time1=timer.read_ms()/1000; |
| adrevong | 9:0b803d9b4af4 | 227 | } |
| adrevong | 9:0b803d9b4af4 | 228 | }SD(3); |
| janjongboom | 0:ba1c49874d3c | 229 | } |
| adrevong | 9:0b803d9b4af4 | 230 | |
| adrevong | 9:0b803d9b4af4 | 231 | |
| adrevong | 9:0b803d9b4af4 | 232 |