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| 1 | +/* |
| 2 | + This file is part of the Arduino_AlvikCarrier library. |
| 3 | +
|
| 4 | + Copyright (c) 2024 Arduino SA |
| 5 | +
|
| 6 | + This Source Code Form is subject to the terms of the Mozilla Public |
| 7 | + License, v. 2.0. If a copy of the MPL was not distributed with this |
| 8 | + file, You can obtain one at http://mozilla.org/MPL/2.0/. |
| 9 | + |
| 10 | +*/ |
| 11 | + |
| 12 | +#include "Arduino_APDS9999.h" |
| 13 | + |
| 14 | +Arduino_APDS9999::Arduino_APDS9999(TwoWire & wire):_wire(wire){ |
| 15 | + |
| 16 | +} |
| 17 | + |
| 18 | +int Arduino_APDS9999::begin(){ |
| 19 | + _wire.begin(); |
| 20 | + if (getID()!=APDS9999_DEFAULT_ID){ |
| 21 | + return 0; |
| 22 | + } |
| 23 | + writeRegister(APDS9999_MAIN_CTRL,APDS9999_SOFT_RST); |
| 24 | + delay(500); |
| 25 | + writeRegister(APDS9999_MAIN_CTRL, 0x00); |
| 26 | + return 1; |
| 27 | +} |
| 28 | + |
| 29 | +void Arduino_APDS9999::end(){ |
| 30 | + _wire.end(); |
| 31 | +} |
| 32 | + |
| 33 | +void Arduino_APDS9999::writeRegister(uint8_t reg, uint8_t value) { |
| 34 | + _wire.beginTransmission(APDS9999_ADDRESS); |
| 35 | + _wire.write(reg); |
| 36 | + _wire.write(value); |
| 37 | + _wire.endTransmission(); |
| 38 | +} |
| 39 | + |
| 40 | +uint8_t Arduino_APDS9999::readRegister(uint8_t reg) { |
| 41 | + _wire.beginTransmission(APDS9999_ADDRESS); |
| 42 | + _wire.write(reg); |
| 43 | + _wire.endTransmission(); |
| 44 | + |
| 45 | + _wire.requestFrom(APDS9999_ADDRESS, 1); |
| 46 | + if (_wire.available()) { |
| 47 | + return _wire.read(); |
| 48 | + } |
| 49 | + return 0; |
| 50 | +} |
| 51 | + |
| 52 | +uint32_t Arduino_APDS9999::readRegister24(uint8_t reg) { |
| 53 | + _wire.beginTransmission(APDS9999_ADDRESS); |
| 54 | + _wire.write(reg); |
| 55 | + _wire.endTransmission(); |
| 56 | + |
| 57 | + _wire.requestFrom(APDS9999_ADDRESS, 3); |
| 58 | + if (_wire.available() >= 3) { |
| 59 | + uint32_t value = _wire.read(); |
| 60 | + value |= (_wire.read() << 8); |
| 61 | + value |= (_wire.read() << 16); |
| 62 | + return value; |
| 63 | + } |
| 64 | + return 0; |
| 65 | +} |
| 66 | + |
| 67 | +//--------------------------------------------------------------------------// |
| 68 | +// Sensor Data // |
| 69 | +//--------------------------------------------------------------------------// |
| 70 | + |
| 71 | + |
| 72 | +void Arduino_APDS9999::enableLightSensor(){ |
| 73 | + uint8_t ctrl = readRegister(APDS9999_MAIN_CTRL); |
| 74 | + writeRegister(APDS9999_MAIN_CTRL, ctrl | APDS9999_LS_ENABLE); |
| 75 | + delay(20); |
| 76 | +} |
| 77 | + |
| 78 | +void Arduino_APDS9999::disableLightSensor(){ |
| 79 | + uint8_t ctrl = readRegister(APDS9999_MAIN_CTRL); |
| 80 | + writeRegister(APDS9999_MAIN_CTRL, ctrl & ~APDS9999_LS_ENABLE); |
| 81 | +} |
| 82 | + |
| 83 | +void Arduino_APDS9999::enableColorSensor(){ |
| 84 | + enableLightSensor(); |
| 85 | + uint8_t ctrl = readRegister(APDS9999_MAIN_CTRL); |
| 86 | + writeRegister(APDS9999_MAIN_CTRL, ctrl | APDS9999_CS_ENABLE); |
| 87 | + delay(20); |
| 88 | +} |
| 89 | + |
| 90 | +void Arduino_APDS9999::disableColorSensor(){ |
| 91 | + uint8_t ctrl = readRegister(APDS9999_MAIN_CTRL); |
| 92 | + writeRegister(APDS9999_MAIN_CTRL, ctrl & ~APDS9999_CS_ENABLE); |
| 93 | +} |
| 94 | + |
| 95 | +void Arduino_APDS9999::enableProximitySensor(){ |
| 96 | + uint8_t ctrl = readRegister(APDS9999_MAIN_CTRL); |
| 97 | + writeRegister(APDS9999_MAIN_CTRL, ctrl | APDS9999_PS_ENABLE); |
| 98 | + delay(20); |
| 99 | +} |
| 100 | + |
| 101 | +void Arduino_APDS9999::disableProximitySensor(){ |
| 102 | + uint8_t ctrl = readRegister(APDS9999_MAIN_CTRL); |
| 103 | + writeRegister(APDS9999_MAIN_CTRL, ctrl & ~APDS9999_PS_ENABLE); |
| 104 | +} |
| 105 | + |
| 106 | +void Arduino_APDS9999::setGain(const uint8_t gain){ |
| 107 | + uint8_t ctrl = readRegister(APDS9999_LS_GAIN); |
| 108 | + writeRegister(APDS9999_LS_GAIN, (ctrl & 0xF8) | gain); |
| 109 | +} |
| 110 | + |
| 111 | +void Arduino_APDS9999::setLSResolution(const uint8_t resolution){ |
| 112 | + uint8_t ctrl = readRegister(APDS9999_LS_MEAS_R); |
| 113 | + writeRegister(APDS9999_LS_MEAS_R, (ctrl & 0x8F) | (resolution<<4)); |
| 114 | +} |
| 115 | + |
| 116 | +void Arduino_APDS9999::setLSRate(const uint8_t rate){ |
| 117 | + uint8_t ctrl = readRegister(APDS9999_LS_MEAS_R); |
| 118 | + writeRegister(APDS9999_LS_MEAS_R, (ctrl & 0xF8) | rate); |
| 119 | +} |
| 120 | + |
| 121 | +void Arduino_APDS9999::setPSResolution(const uint8_t resolution){ |
| 122 | + uint8_t ctrl = readRegister(APDS9999_PS_MEAS_R); |
| 123 | + writeRegister(APDS9999_PS_MEAS_R, (ctrl & 0xE7) | (resolution<<3)); |
| 124 | +} |
| 125 | + |
| 126 | +void Arduino_APDS9999::setPSRate(const uint8_t rate){ |
| 127 | + uint8_t ctrl = readRegister(APDS9999_PS_MEAS_R); |
| 128 | + writeRegister(APDS9999_PS_MEAS_R, (ctrl & 0xF8) | rate); |
| 129 | +} |
| 130 | + |
| 131 | + |
| 132 | +int Arduino_APDS9999::getIR(){ |
| 133 | + return readRegister24(APDS9999_IR_DATA); |
| 134 | +} |
| 135 | + |
| 136 | +int Arduino_APDS9999::getRed(){ |
| 137 | + return readRegister24(APDS9999_RED_DATA); |
| 138 | +} |
| 139 | + |
| 140 | +int Arduino_APDS9999::getGreen(){ |
| 141 | + return readRegister24(APDS9999_GREEN_DATA); |
| 142 | +} |
| 143 | + |
| 144 | +int Arduino_APDS9999::getBlue(){ |
| 145 | + return readRegister24(APDS9999_BLUE_DATA); |
| 146 | +} |
| 147 | + |
| 148 | +void Arduino_APDS9999::readColor(int & red, int & green, int & blue){ |
| 149 | + red = getRed(); |
| 150 | + green = getGreen(); |
| 151 | + blue = getBlue(); |
| 152 | +} |
| 153 | + |
| 154 | +void Arduino_APDS9999::readColor(int & red, int & green, int & blue, int & ir){ |
| 155 | + red = getRed(); |
| 156 | + green = getGreen(); |
| 157 | + blue = getBlue(); |
| 158 | + ir = getIR(); |
| 159 | +} |
| 160 | + |
| 161 | +int Arduino_APDS9999::getProximity(){ |
| 162 | + uint8_t lsb = readRegister(APDS9999_PS_DATA_L); |
| 163 | + uint8_t msb =readRegister(APDS9999_PS_DATA_H); |
| 164 | + |
| 165 | + bool overflow = msb & 0x08; // Check overflow bit in PS_DATA_1 |
| 166 | + |
| 167 | + if (overflow) { |
| 168 | + return -1; |
| 169 | + } |
| 170 | + |
| 171 | + return (msb & 0x07) << 8 | lsb; |
| 172 | +} |
| 173 | + |
| 174 | +uint8_t Arduino_APDS9999::getID(){ |
| 175 | + return readRegister(APDS9999_ID); |
| 176 | +} |
| 177 | + |
| 178 | + |
| 179 | + |
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