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BMP280/main.cpp@0:c23b55e3ca7d, 2021-09-06 (annotated)
- Committer:
- louatayehh
- Date:
- Mon Sep 06 09:15:22 2021 +0000
- Revision:
- 0:c23b55e3ca7d
- Child:
- 1:94d75a291f23
Capteur 1 : BMP280
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| louatayehh | 0:c23b55e3ca7d | 1 | #include "mbed.h" |
| louatayehh | 0:c23b55e3ca7d | 2 | #include "BMP280.h" |
| louatayehh | 0:c23b55e3ca7d | 3 | |
| louatayehh | 0:c23b55e3ca7d | 4 | #define BMP_TMP_ID 0x8 |
| louatayehh | 0:c23b55e3ca7d | 5 | #define BMP_PRES_ID 0x9 |
| louatayehh | 0:c23b55e3ca7d | 6 | |
| louatayehh | 0:c23b55e3ca7d | 7 | //declarations |
| louatayehh | 0:c23b55e3ca7d | 8 | Serial bluetooth(p9, p10); //tx, rx |
| louatayehh | 0:c23b55e3ca7d | 9 | CAN can(p30,p29); //CAN |
| louatayehh | 0:c23b55e3ca7d | 10 | I2C i2c(p9,p10); //SDA, SCL |
| louatayehh | 0:c23b55e3ca7d | 11 | BMP280 bmp(i2c); //Default address = 0x76 |
| louatayehh | 0:c23b55e3ca7d | 12 | |
| louatayehh | 0:c23b55e3ca7d | 13 | |
| louatayehh | 0:c23b55e3ca7d | 14 | int main() |
| louatayehh | 0:c23b55e3ca7d | 15 | { |
| louatayehh | 0:c23b55e3ca7d | 16 | |
| louatayehh | 0:c23b55e3ca7d | 17 | //Configuration Serial |
| louatayehh | 0:c23b55e3ca7d | 18 | bluetooth.baud(56000); |
| louatayehh | 0:c23b55e3ca7d | 19 | //bluetooth.format(8, SerialBase::None, 1); |
| louatayehh | 0:c23b55e3ca7d | 20 | //bluetooth.set_flow_control(SerialBase::Disabled, NC, NC); |
| louatayehh | 0:c23b55e3ca7d | 21 | |
| louatayehh | 0:c23b55e3ca7d | 22 | //Configuration bus CAN |
| louatayehh | 0:c23b55e3ca7d | 23 | can.frequency(125000); //vitesse du bus CAN 125kHz |
| louatayehh | 0:c23b55e3ca7d | 24 | can.reset(); |
| louatayehh | 0:c23b55e3ca7d | 25 | |
| louatayehh | 0:c23b55e3ca7d | 26 | //bmp.initialize(); |
| louatayehh | 0:c23b55e3ca7d | 27 | |
| louatayehh | 0:c23b55e3ca7d | 28 | //declaration des variables d'affichage |
| louatayehh | 0:c23b55e3ca7d | 29 | float BMPTemp = 0; |
| louatayehh | 0:c23b55e3ca7d | 30 | float BMPPressure = 0; |
| louatayehh | 0:c23b55e3ca7d | 31 | |
| louatayehh | 0:c23b55e3ca7d | 32 | //affichage de la variable de pression |
| louatayehh | 0:c23b55e3ca7d | 33 | while(1) { |
| louatayehh | 0:c23b55e3ca7d | 34 | //BMPTemp = (bmp.getTemperature() - 32) / 1.8f; |
| louatayehh | 0:c23b55e3ca7d | 35 | BMPPressure = bmp.getPressure(); |
| louatayehh | 0:c23b55e3ca7d | 36 | //bluetooth.printf("Temp: %f, Pressure: %f\r\n",BMPTemp, BMPPressure); |
| louatayehh | 0:c23b55e3ca7d | 37 | |
| louatayehh | 0:c23b55e3ca7d | 38 | bluetooth.printf("Pressure: %f\r\n",BMPPressure); |
| louatayehh | 0:c23b55e3ca7d | 39 | |
| louatayehh | 0:c23b55e3ca7d | 40 | |
| louatayehh | 0:c23b55e3ca7d | 41 | can.write(CANMessage(BMP_TMP_ID, (char*)&BMPTemp, sizeof(BMPTemp)/sizeof(char))); |
| louatayehh | 0:c23b55e3ca7d | 42 | wait(0.1); //Need waits for some reason, without them the data doesnt always arrive in a neat order |
| louatayehh | 0:c23b55e3ca7d | 43 | can.write(CANMessage(BMP_PRES_ID, (char*)&BMPPressure, sizeof(BMPPressure)/sizeof(char))); |
| louatayehh | 0:c23b55e3ca7d | 44 | wait(0.1); |
| louatayehh | 0:c23b55e3ca7d | 45 | } |
| louatayehh | 0:c23b55e3ca7d | 46 | } |