Unverified Commit f2e4095b authored by Birte Kristina Friesel's avatar Birte Kristina Friesel
Browse files

sen5x: add cleanfan and readstatus commands

parent 1cb46c9d

include/driver/sen5x.h

+12 −0
Original line number Diff line number Diff line
@@ -22,6 +22,15 @@ class SEN5x { 
		signed short const VOC_INVALID = 0x7fff;

		signed short const NOX_INVALID = 0x7fff;



		struct {

			unsigned int fan_speed_warning : 1;

			unsigned int fan_cleaning_active : 1;

			unsigned int gas_sensor_error : 1;

			unsigned int rht_sensor_error : 1;

			unsigned int laser_failure : 1;

			unsigned int fan_failure : 1;

		};



		/*

		 * PM1.0 value, scaled by 10.

		 * PM1.0 [µg/m³] = pm10 / 10
@@ -73,7 +82,10 @@ class SEN5x { 
		void start();

		void stop();



		void cleanFan();



		bool read();

		bool readStatus();

};



extern SEN5x sen5x;

src/app/datalogger/main.cc

+20 −0
Original line number Diff line number Diff line
@@ -235,6 +235,26 @@ void loop(void) 
	} else {

		kout << "SEN5x error" << endl;

	}

	if (sen5x.readStatus()) {

		if (sen5x.fan_speed_warning) {

			kout << "SEN5x warning: fan speed out of range" << endl;

		}

		if (sen5x.fan_cleaning_active) {

			kout << "SEN5x info: fan cleaning active" << endl;

		}

		if (sen5x.gas_sensor_error) {

			kout << "SEN5x error: gas sensor" << endl;

		}

		if (sen5x.rht_sensor_error) {

			kout << "SEN5x error: RHT sensor" << endl;

		}

		if (sen5x.laser_failure) {

			kout << "SEN5x error: laser current out of range" << endl;

		}

		if (sen5x.fan_failure) {

			kout << "SEN5x error: fan failure" << endl;

		}

	}

#endif



#ifdef CONFIG_driver_veml6075

src/driver/sen5x.cc

+29 −0
Original line number Diff line number Diff line
@@ -11,6 +11,13 @@ 
#include "driver/soft_i2c.h"

#endif



void SEN5x::cleanFan()

{

	txbuf[0] = 0x56;

	txbuf[1] = 0x07;

	i2c.xmit(address, 2, txbuf, 0, rxbuf);

}



void SEN5x::start()

{

	txbuf[0] = 0x00;
@@ -48,4 +55,26 @@ bool SEN5x::read() 
	return true;

}



bool SEN5x::readStatus()

{

	txbuf[0] = 0xd2;

	txbuf[1] = 0x06;

	if (i2c.xmit(address, 2, txbuf, 0, rxbuf)) {

		return false;

	}

	arch.delay_ms(20);

	if (i2c.xmit(address, 0, txbuf, 6, rxbuf)) {

		return false;

	}



	fan_speed_warning = rxbuf[1] & 0x20;

	fan_cleaning_active = rxbuf[1] & 0x08;

	gas_sensor_error = rxbuf[4] & 0x80;

	rht_sensor_error = rxbuf[4] & 0x40;

	laser_failure = rxbuf[4] & 0x20;

	fan_failure = rxbuf[4] & 0x10;



	return true;

}



SEN5x sen5x;