![](/media/cache/img/default_profile.jpg.50x50_q85.jpg)
Uses the APDS_9960 Digital Proximity, Ambient Light, RGB and Gesture Sensor library to play detected gesture sounds on a speaker from the SDcard
Dependencies: mbed SDFileSystem wave_player
Diff: glibr.cpp
- Revision:
- 3:26146a08bb22
- Parent:
- 1:c7215f5f9a72
- Child:
- 4:84545b0e63a9
diff -r e31b7064efab -r 26146a08bb22 glibr.cpp --- a/glibr.cpp Thu Mar 05 21:52:01 2015 +0000 +++ b/glibr.cpp Thu Mar 05 22:23:50 2015 +0000 @@ -192,6 +192,203 @@ return true; } +bool glibr::enableLightSensor(bool interrupts) +{ + + /* Set default gain, interrupts, enable power, and enable sensor */ + if( !setAmbientLightGain(DEFAULT_AGAIN) ) { + return false; + } + if( interrupts ) { + if( !setAmbientLightIntEnable(1) ) { + return false; + } + } else { + if( !setAmbientLightIntEnable(0) ) { + return false; + } + } + if( !enablePower() ){ + return false; + } + if( !setMode(AMBIENT_LIGHT, 1) ) { + return false; + } + + return true; + +} + +/** + * @brief Ends the light sensor on the APDS-9960 + * + * @return True if sensor disabled correctly. False on error. + */ +bool glibr::disableLightSensor() +{ + if( !setAmbientLightIntEnable(0) ) { + return false; + } + if( !setMode(AMBIENT_LIGHT, 0) ) { + return false; + } + + return true; +} + +/** + * @brief Starts the proximity sensor on the APDS-9960 + * + * @param[in] interrupts true to enable hardware external interrupt on proximity + * @return True if sensor enabled correctly. False on error. + */ +bool glibr::enableProximitySensor(bool interrupts) +{ + /* Set default gain, LED, interrupts, enable power, and enable sensor */ + if( !setProximityGain(DEFAULT_PGAIN) ) { + return false; + } + if( !setLEDDrive(DEFAULT_LDRIVE) ) { + return false; + } + if( interrupts ) { + if( !setProximityIntEnable(1) ) { + return false; + } + } else { + if( !setProximityIntEnable(0) ) { + return false; + } + } + if( !enablePower() ){ + return false; + } + if( !setMode(PROXIMITY, 1) ) { + return false; + } + + return true; +} + +/** + * @brief Ends the proximity sensor on the APDS-9960 + * + * @return True if sensor disabled correctly. False on error. + */ +bool glibr::disableProximitySensor() +{ + if( !setProximityIntEnable(0) ) { + return false; + } + if( !setMode(PROXIMITY, 0) ) { + return false; + } + + return true; +} + + +/** + * @brief Starts the gesture recognition engine on the APDS-9960 + * + * @param[in] interrupts true to enable hardware external interrupt on gesture + * @return True if engine enabled correctly. False on error. + */ +bool glibr::enableGestureSensor(bool interrupts) +{ + + /* Enable gesture mode + Set ENABLE to 0 (power off) + Set WTIME to 0xFF + Set AUX to LED_BOOST_300 + Enable PON, WEN, PEN, GEN in ENABLE + */ + + resetGestureParameters(); + if(I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_WTIME, 0xFF) ) { + return false; + } + if(I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_PPULSE, DEFAULT_GESTURE_PPULSE) ) { + return false; + } + if( !setLEDBoost(LED_BOOST_300) ) { + return false; + } + if( interrupts ) { + if( !setGestureIntEnable(1) ) { + return false; + } + } else { + if( !setGestureIntEnable(0) ) { + return false; + } + } + if( !setGestureMode(1) ) { + return false; + } + if( !enablePower() ){ + return false; + } + if( !setMode(WAIT, 1) ) { + return false; + } + if( !setMode(PROXIMITY, 1) ) { + return false; + } + if( !setMode(GESTURE, 1) ) { + return false; + } + + return true; +} + +/** + * @brief Ends the gesture recognition engine on the APDS-9960 + * + * @return True if engine disabled correctly. False on error. + */ +bool glibr::disableGestureSensor() +{ + resetGestureParameters(); + if( !setGestureIntEnable(0) ) { + return false; + } + if( !setGestureMode(0) ) { + return false; + } + if( !setMode(GESTURE, 0) ) { + return false; + } + + return true; +} + + +/** + * @brief Determines if there is a gesture available for reading + * + * @return True if gesture available. False otherwise. + */ +bool glibr::isGestureAvailable() +{ + uint8_t val; + + /* Read value from GSTATUS register */ + if( !wireReadDataByte(APDS9960_GSTATUS, val) ) { + return ERROR; + } + + /* Shift and mask out GVALID bit */ + val &= APDS9960_GVALID; + + /* Return true/false based on GVALID bit */ + if( val == 1) { + return true; + } else { + return false; + } +} + bool glibr::setProximityGain(uint8_t drive) { uint8_t val; @@ -263,6 +460,13 @@ return true; } + + + + + + + int glibr::I2CwriteByte(char address, char subAddress, char data) { int ret;