UPM is a high level repository for sensors that use mraa. Each sensor links to libmraa and are not meant to be interlinked although some groups of sensors may be. Each sensor contains a header which allows to interface with it. Typically a sensor is represented as a class and instanciated.
The constructor is expected to initialise the sensor and paramters may be used to provide identification/pin location on the board.
Typically an update() function will be called in order to get new data from the sensor in order to reduce load when doing multiple reads to sensor data.
A sensor/acturo is expected to work as such (here is the servo ES08A api): @snippet es08a.cxx Interesting
However implementation and API design is compeltely up to the developer, some enumerable sensors for example may provide much clever instanciation. Displays may also create more complex structures in order to interface with them.
Temperature Sensors:
- upm::MAX31723
- upm::MAX31855
- upm::TH02
- upm::GroveTemp
Compass/Gyro/Magnometer Sensors:
- upm::Hmc5883l
- upm::MPU9150
- upm::LSM303
Atmospheric Pressure Sensors:
- upm::GY65
Light/Proximity Sensors:
- upm::MAXDS3231M
- upm::MAX44000
- upm::HCSR04
- upm::GroveLight
Gas Sensors:
- upm::MQ2
- upm::MQ3
- upm::MQ5
- upm::MQ9
Displays:
- upm::Jhd1313m1
- upm::Lcm1602
- upm::ST7735
- upm::SSD1308
- upm::SSD1327
LED controllers/segment displays:
- upm::TM1637
- upm::MY9221
RFID:
- upm::SM130
Wireless Communication:
- upm::NRF24l01
Servo/motors:
- upm::ES08A
- upm::StepMotor
Digital potentiometer
- upm::MAX5487
Electricity sensor
- upm::ECS1030
See @ref building
@ref porting has more information on making new UPM modules