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A demo program for STTS751 (I2C temperature sensor library)
main.cpp@3:a2d2563ae3ef, 2014-02-05 (annotated)
- Committer:
- takuo
- Date:
- Wed Feb 05 04:28:22 2014 +0000
- Revision:
- 3:a2d2563ae3ef
- Parent:
- 2:9850512c9113
A usage example of standby mode is provided
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
takuo | 0:de38b1558115 | 1 | /** A demo program for STTS751 (I2C temperature sensor library) |
takuo | 0:de38b1558115 | 2 | * Takuo WATANABE (wtakuo) |
takuo | 0:de38b1558115 | 3 | */ |
takuo | 0:de38b1558115 | 4 | |
takuo | 0:de38b1558115 | 5 | #include "mbed.h" |
takuo | 0:de38b1558115 | 6 | #include "STTS751.h" |
takuo | 0:de38b1558115 | 7 | |
takuo | 0:de38b1558115 | 8 | // I2C pins: p9 = sda, p10 = scl |
takuo | 3:a2d2563ae3ef | 9 | STTS751 sensor(p9, p10); |
takuo | 0:de38b1558115 | 10 | |
takuo | 0:de38b1558115 | 11 | // You can specify an I2C object instead. |
takuo | 0:de38b1558115 | 12 | // I2C i2c(p9, p10); |
takuo | 3:a2d2563ae3ef | 13 | // STTS751 sensor(i2c); |
takuo | 0:de38b1558115 | 14 | |
takuo | 3:a2d2563ae3ef | 15 | // example using continuous conversion mode |
takuo | 0:de38b1558115 | 16 | int main() { |
takuo | 2:9850512c9113 | 17 | // set the temperature resolution to 12bits |
takuo | 3:a2d2563ae3ef | 18 | sensor.setResolution(STTS751::RES_12); |
takuo | 3:a2d2563ae3ef | 19 | // set the conversion rate to 2/sec |
takuo | 3:a2d2563ae3ef | 20 | sensor.setConversionRate(5); |
takuo | 0:de38b1558115 | 21 | while (true) { |
takuo | 3:a2d2563ae3ef | 22 | printf("temp: %.4f\n", (float)sensor); |
takuo | 0:de38b1558115 | 23 | wait(1); |
takuo | 0:de38b1558115 | 24 | } |
takuo | 0:de38b1558115 | 25 | } |
takuo | 3:a2d2563ae3ef | 26 | |
takuo | 3:a2d2563ae3ef | 27 | /* |
takuo | 3:a2d2563ae3ef | 28 | // example using standby mode |
takuo | 3:a2d2563ae3ef | 29 | int main() { |
takuo | 3:a2d2563ae3ef | 30 | // set the device to standby mode |
takuo | 3:a2d2563ae3ef | 31 | sensor.setStandbyMode(true); |
takuo | 3:a2d2563ae3ef | 32 | // set the temperature resolution to 12bits |
takuo | 3:a2d2563ae3ef | 33 | sensor.setResolution(STTS751::RES_12); |
takuo | 3:a2d2563ae3ef | 34 | while (true) { |
takuo | 3:a2d2563ae3ef | 35 | // start a temperature measurement |
takuo | 3:a2d2563ae3ef | 36 | sensor.start(); |
takuo | 3:a2d2563ae3ef | 37 | // waiting for finishing the measurement |
takuo | 3:a2d2563ae3ef | 38 | while (!sensor.ready()) |
takuo | 3:a2d2563ae3ef | 39 | wait(0.01); |
takuo | 3:a2d2563ae3ef | 40 | printf("temp: %.4f\n", sensor.temp(true)); |
takuo | 3:a2d2563ae3ef | 41 | wait(1); |
takuo | 3:a2d2563ae3ef | 42 | } |
takuo | 3:a2d2563ae3ef | 43 | } |
takuo | 3:a2d2563ae3ef | 44 | */ |