diff options
| -rw-r--r-- | include/driver/sen5x.h | 12 | ||||
| -rw-r--r-- | src/app/datalogger/main.cc | 20 | ||||
| -rw-r--r-- | src/driver/sen5x.cc | 29 |
3 files changed, 61 insertions, 0 deletions
diff --git a/include/driver/sen5x.h b/include/driver/sen5x.h index 64e116b..47d92a0 100644 --- a/include/driver/sen5x.h +++ b/include/driver/sen5x.h @@ -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; diff --git a/src/app/datalogger/main.cc b/src/app/datalogger/main.cc index fd016e7..251d1fa 100644 --- a/src/app/datalogger/main.cc +++ b/src/app/datalogger/main.cc @@ -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 diff --git a/src/driver/sen5x.cc b/src/driver/sen5x.cc index 2a5d6b8..9edbcd0 100644 --- a/src/driver/sen5x.cc +++ b/src/driver/sen5x.cc @@ -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; |