diff options
Diffstat (limited to 'include/driver')
| -rw-r--r-- | include/driver/sen5x.h | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/include/driver/sen5x.h b/include/driver/sen5x.h new file mode 100644 index 0000000..64e116b --- /dev/null +++ b/include/driver/sen5x.h @@ -0,0 +1,81 @@ +/* + * Copyright 2021 Daniel Friesel + * + * SPDX-License-Identifier: BSD-2-Clause + */ +#ifndef SEN5x_H +#define SEN5x_H + +class SEN5x { + private: + SEN5x(const SEN5x ©); + unsigned char const address = 0x69; + unsigned char txbuf[2]; + unsigned char rxbuf[24]; + + public: + SEN5x() {} + + unsigned short const PM_INVALID = 0xffff; + signed short const TEMPERATURE_INVALID = 0x7fff; + signed short const HUMIDITY_INVALID = 0x7fff; + signed short const VOC_INVALID = 0x7fff; + signed short const NOX_INVALID = 0x7fff; + + /* + * PM1.0 value, scaled by 10. + * PM1.0 [µg/m³] = pm10 / 10 + */ + unsigned short pm1; + + /* + * PM2.5 value, scaled by 10. + * PM2.5 [µg/m3] = pm2_5 / 10 + */ + unsigned short pm2_5; + + /* + * PM4.0 value, scaled by 10. + * PM4.0 [µg/m3] = pm4 / 10 + */ + unsigned short pm4; + + /* + * PM10 value, scaled by 10. + * PM10 [µg/m3] = pm10 / 10 + */ + unsigned short pm10; + + /* + * Temperature, scaled by 200. + * Temperature [°c] = temperature / 200 + */ + signed short temperature; + + /* + * Relative Humidity, scaled by 100. + * Relative Humidity [%] = humidity / 100 + */ + signed short humidity; + + /* + * VOC Index, scaled by 10. + * VOC index = voc / 10 + */ + signed short voc; + + /* + * NOx Index, scaled by 10. + * NOx index = nox / 10 + */ + signed short nox; + + void start(); + void stop(); + + bool read(); +}; + +extern SEN5x sen5x; + +#endif |