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
glibr.cpp@1:c7215f5f9a72, 2015-03-05 (annotated)
- Committer:
- kbhagat6
- Date:
- Thu Mar 05 06:44:27 2015 +0000
- Revision:
- 1:c7215f5f9a72
- Parent:
- 0:437ae08befe3
- Child:
- 3:26146a08bb22
still working in bool init function, and adding the functions it calls.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
kbhagat6 | 0:437ae08befe3 | 1 | #include "glibr.h" |
kbhagat6 | 0:437ae08befe3 | 2 | #include "mbed.h" |
kbhagat6 | 0:437ae08befe3 | 3 | |
kbhagat6 | 0:437ae08befe3 | 4 | |
kbhagat6 | 0:437ae08befe3 | 5 | |
kbhagat6 | 0:437ae08befe3 | 6 | |
kbhagat6 | 0:437ae08befe3 | 7 | glibr::glibr(PinName sda, PinName scl):i2c(sda, scl){ |
kbhagat6 | 0:437ae08befe3 | 8 | |
kbhagat6 | 0:437ae08befe3 | 9 | } |
kbhagat6 | 0:437ae08befe3 | 10 | |
kbhagat6 | 0:437ae08befe3 | 11 | glibr::~glibr(){ |
kbhagat6 | 0:437ae08befe3 | 12 | |
kbhagat6 | 0:437ae08befe3 | 13 | } |
kbhagat6 | 0:437ae08befe3 | 14 | |
kbhagat6 | 0:437ae08befe3 | 15 | uint8_t glibr::ginit(){ |
kbhagat6 | 0:437ae08befe3 | 16 | uint8_t id; |
kbhagat6 | 0:437ae08befe3 | 17 | |
kbhagat6 | 0:437ae08befe3 | 18 | // if( !wireReadDataByte(APDS9960_ID, id) ) { |
kbhagat6 | 0:437ae08befe3 | 19 | |
kbhagat6 | 0:437ae08befe3 | 20 | id=I2CreadByte(APDS9960_I2C_ADDR, APDS9960_ID); |
kbhagat6 | 0:437ae08befe3 | 21 | |
kbhagat6 | 0:437ae08befe3 | 22 | if( (!(id == APDS9960_ID_1 || id == APDS9960_ID_2))||id==ERROR) { |
kbhagat6 | 0:437ae08befe3 | 23 | return false; |
kbhagat6 | 0:437ae08befe3 | 24 | } |
kbhagat6 | 0:437ae08befe3 | 25 | |
kbhagat6 | 0:437ae08befe3 | 26 | if(!setMode(ALL, OFF)) { |
kbhagat6 | 0:437ae08befe3 | 27 | return false; |
kbhagat6 | 0:437ae08befe3 | 28 | } |
kbhagat6 | 0:437ae08befe3 | 29 | if(I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_ATIME, DEFAULT_ATIME)){ |
kbhagat6 | 0:437ae08befe3 | 30 | return false; |
kbhagat6 | 0:437ae08befe3 | 31 | } |
kbhagat6 | 0:437ae08befe3 | 32 | if(I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_WTIME, DEFAULT_WTIME)){ |
kbhagat6 | 0:437ae08befe3 | 33 | return false; |
kbhagat6 | 0:437ae08befe3 | 34 | } |
kbhagat6 | 0:437ae08befe3 | 35 | if(I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_PPULSE, DEFAULT_PROX_PPULSE)){ |
kbhagat6 | 0:437ae08befe3 | 36 | return false; |
kbhagat6 | 0:437ae08befe3 | 37 | } |
kbhagat6 | 0:437ae08befe3 | 38 | if(I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_POFFSET_UR, DEFAULT_POFFSET_UR)){ |
kbhagat6 | 0:437ae08befe3 | 39 | return false; |
kbhagat6 | 0:437ae08befe3 | 40 | } |
kbhagat6 | 0:437ae08befe3 | 41 | if(I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_POFFSET_DL, DEFAULT_POFFSET_DL)){ |
kbhagat6 | 0:437ae08befe3 | 42 | return false; |
kbhagat6 | 0:437ae08befe3 | 43 | } |
kbhagat6 | 0:437ae08befe3 | 44 | if(I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_CONFIG1, DEFAULT_CONFIG1)){ |
kbhagat6 | 0:437ae08befe3 | 45 | return false; |
kbhagat6 | 0:437ae08befe3 | 46 | } |
kbhagat6 | 0:437ae08befe3 | 47 | |
kbhagat6 | 0:437ae08befe3 | 48 | if( !setLEDDrive(DEFAULT_LDRIVE) ) { |
kbhagat6 | 0:437ae08befe3 | 49 | return false; |
kbhagat6 | 0:437ae08befe3 | 50 | } |
kbhagat6 | 0:437ae08befe3 | 51 | |
kbhagat6 | 0:437ae08befe3 | 52 | if( !setProximityGain(DEFAULT_PGAIN) ) { |
kbhagat6 | 0:437ae08befe3 | 53 | return false; |
kbhagat6 | 0:437ae08befe3 | 54 | } |
kbhagat6 | 0:437ae08befe3 | 55 | if( !setAmbientLightGain(DEFAULT_AGAIN) ) { |
kbhagat6 | 0:437ae08befe3 | 56 | return false; |
kbhagat6 | 0:437ae08befe3 | 57 | } |
kbhagat6 | 0:437ae08befe3 | 58 | if( !setProxIntLowThresh(DEFAULT_PILT) ) { |
kbhagat6 | 0:437ae08befe3 | 59 | return false; |
kbhagat6 | 0:437ae08befe3 | 60 | } |
kbhagat6 | 1:c7215f5f9a72 | 61 | if( !setProxIntHighThresh(DEFAULT_PIHT) ) { |
kbhagat6 | 1:c7215f5f9a72 | 62 | return false; |
kbhagat6 | 1:c7215f5f9a72 | 63 | } |
kbhagat6 | 1:c7215f5f9a72 | 64 | if( !setLightIntLowThreshold(DEFAULT_AILT) ) { |
kbhagat6 | 1:c7215f5f9a72 | 65 | return false; |
kbhagat6 | 1:c7215f5f9a72 | 66 | } |
kbhagat6 | 1:c7215f5f9a72 | 67 | if( I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_CONFIG2, DEFAULT_CONFIG2) ) { |
kbhagat6 | 1:c7215f5f9a72 | 68 | return false; |
kbhagat6 | 1:c7215f5f9a72 | 69 | } |
kbhagat6 | 1:c7215f5f9a72 | 70 | if( I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_CONFIG3, DEFAULT_CONFIG3) ) { |
kbhagat6 | 1:c7215f5f9a72 | 71 | return false; |
kbhagat6 | 1:c7215f5f9a72 | 72 | } |
kbhagat6 | 1:c7215f5f9a72 | 73 | |
kbhagat6 | 1:c7215f5f9a72 | 74 | if( !setGestureEnterThresh(DEFAULT_GPENTH) ) { |
kbhagat6 | 1:c7215f5f9a72 | 75 | return false; |
kbhagat6 | 1:c7215f5f9a72 | 76 | } |
kbhagat6 | 1:c7215f5f9a72 | 77 | if( !setGestureExitThresh(DEFAULT_GEXTH) ) { |
kbhagat6 | 1:c7215f5f9a72 | 78 | return false; |
kbhagat6 | 1:c7215f5f9a72 | 79 | } |
kbhagat6 | 1:c7215f5f9a72 | 80 | if( I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_GCONF1, DEFAULT_GCONF1) ) { |
kbhagat6 | 1:c7215f5f9a72 | 81 | return false; |
kbhagat6 | 1:c7215f5f9a72 | 82 | } |
kbhagat6 | 1:c7215f5f9a72 | 83 | if( !setGestureGain(DEFAULT_GGAIN) ) { |
kbhagat6 | 1:c7215f5f9a72 | 84 | return false; |
kbhagat6 | 1:c7215f5f9a72 | 85 | } |
kbhagat6 | 1:c7215f5f9a72 | 86 | if( !setGestureLEDDrive(DEFAULT_GLDRIVE) ) { |
kbhagat6 | 1:c7215f5f9a72 | 87 | return false; |
kbhagat6 | 1:c7215f5f9a72 | 88 | } |
kbhagat6 | 1:c7215f5f9a72 | 89 | if( !setGestureWaitTime(DEFAULT_GWTIME) ) { |
kbhagat6 | 1:c7215f5f9a72 | 90 | return false; |
kbhagat6 | 1:c7215f5f9a72 | 91 | } |
kbhagat6 | 1:c7215f5f9a72 | 92 | if( I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_GOFFSET_U, DEFAULT_GOFFSET) ) { |
kbhagat6 | 1:c7215f5f9a72 | 93 | return false; |
kbhagat6 | 1:c7215f5f9a72 | 94 | } |
kbhagat6 | 1:c7215f5f9a72 | 95 | if( I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_GOFFSET_D, DEFAULT_GOFFSET) ) { |
kbhagat6 | 1:c7215f5f9a72 | 96 | return false; |
kbhagat6 | 1:c7215f5f9a72 | 97 | } |
kbhagat6 | 1:c7215f5f9a72 | 98 | if( I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_GOFFSET_L, DEFAULT_GOFFSET) ) { |
kbhagat6 | 1:c7215f5f9a72 | 99 | return false; |
kbhagat6 | 1:c7215f5f9a72 | 100 | } |
kbhagat6 | 1:c7215f5f9a72 | 101 | if( I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_GOFFSET_R, DEFAULT_GOFFSET) ) { |
kbhagat6 | 1:c7215f5f9a72 | 102 | return false; |
kbhagat6 | 1:c7215f5f9a72 | 103 | } |
kbhagat6 | 1:c7215f5f9a72 | 104 | if(I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_GPULSE, DEFAULT_GPULSE) ) { |
kbhagat6 | 1:c7215f5f9a72 | 105 | return false; |
kbhagat6 | 1:c7215f5f9a72 | 106 | } |
kbhagat6 | 1:c7215f5f9a72 | 107 | if( I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_GCONF3, DEFAULT_GCONF3) ) { |
kbhagat6 | 1:c7215f5f9a72 | 108 | return false; |
kbhagat6 | 1:c7215f5f9a72 | 109 | } |
kbhagat6 | 1:c7215f5f9a72 | 110 | if( !setGestureIntEnable(DEFAULT_GIEN) ) { |
kbhagat6 | 1:c7215f5f9a72 | 111 | return false; |
kbhagat6 | 1:c7215f5f9a72 | 112 | } |
kbhagat6 | 0:437ae08befe3 | 113 | |
kbhagat6 | 0:437ae08befe3 | 114 | |
kbhagat6 | 0:437ae08befe3 | 115 | |
kbhagat6 | 0:437ae08befe3 | 116 | return id; |
kbhagat6 | 0:437ae08befe3 | 117 | } |
kbhagat6 | 0:437ae08befe3 | 118 | |
kbhagat6 | 0:437ae08befe3 | 119 | |
kbhagat6 | 0:437ae08befe3 | 120 | |
kbhagat6 | 0:437ae08befe3 | 121 | |
kbhagat6 | 0:437ae08befe3 | 122 | /** |
kbhagat6 | 0:437ae08befe3 | 123 | * @brief Enables or disables a feature in the APDS-9960 |
kbhagat6 | 0:437ae08befe3 | 124 | * |
kbhagat6 | 0:437ae08befe3 | 125 | * @param[in] mode which feature to enable |
kbhagat6 | 0:437ae08befe3 | 126 | * @param[in] enable ON (1) or OFF (0) |
kbhagat6 | 0:437ae08befe3 | 127 | * @return True if operation success. False otherwise. |
kbhagat6 | 0:437ae08befe3 | 128 | */ |
kbhagat6 | 0:437ae08befe3 | 129 | bool glibr::setMode(uint8_t mode, uint8_t enable) |
kbhagat6 | 0:437ae08befe3 | 130 | { |
kbhagat6 | 0:437ae08befe3 | 131 | uint8_t reg_val; |
kbhagat6 | 0:437ae08befe3 | 132 | |
kbhagat6 | 0:437ae08befe3 | 133 | /* Read current ENABLE register */ |
kbhagat6 | 0:437ae08befe3 | 134 | reg_val = getMode(); |
kbhagat6 | 0:437ae08befe3 | 135 | if( reg_val == ERROR ) { |
kbhagat6 | 0:437ae08befe3 | 136 | return false; |
kbhagat6 | 0:437ae08befe3 | 137 | } |
kbhagat6 | 0:437ae08befe3 | 138 | |
kbhagat6 | 0:437ae08befe3 | 139 | /* Change bit(s) in ENABLE register */ |
kbhagat6 | 0:437ae08befe3 | 140 | enable = enable & 0x01; |
kbhagat6 | 0:437ae08befe3 | 141 | if( mode >= 0 && mode <= 6 ) { |
kbhagat6 | 0:437ae08befe3 | 142 | if (enable) { |
kbhagat6 | 0:437ae08befe3 | 143 | reg_val |= (1 << mode); |
kbhagat6 | 0:437ae08befe3 | 144 | } else { |
kbhagat6 | 0:437ae08befe3 | 145 | reg_val &= ~(1 << mode); |
kbhagat6 | 0:437ae08befe3 | 146 | } |
kbhagat6 | 0:437ae08befe3 | 147 | } else if( mode == ALL ) { |
kbhagat6 | 0:437ae08befe3 | 148 | if (enable) { |
kbhagat6 | 0:437ae08befe3 | 149 | reg_val = 0x7F; |
kbhagat6 | 0:437ae08befe3 | 150 | } else { |
kbhagat6 | 0:437ae08befe3 | 151 | reg_val = 0x00; |
kbhagat6 | 0:437ae08befe3 | 152 | } |
kbhagat6 | 0:437ae08befe3 | 153 | } |
kbhagat6 | 0:437ae08befe3 | 154 | |
kbhagat6 | 0:437ae08befe3 | 155 | /* Write value back to ENABLE register */ |
kbhagat6 | 0:437ae08befe3 | 156 | if(I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_ENABLE, reg_val)){ |
kbhagat6 | 0:437ae08befe3 | 157 | return false; |
kbhagat6 | 0:437ae08befe3 | 158 | } |
kbhagat6 | 0:437ae08befe3 | 159 | |
kbhagat6 | 0:437ae08befe3 | 160 | |
kbhagat6 | 0:437ae08befe3 | 161 | |
kbhagat6 | 0:437ae08befe3 | 162 | return true; |
kbhagat6 | 0:437ae08befe3 | 163 | } |
kbhagat6 | 0:437ae08befe3 | 164 | |
kbhagat6 | 0:437ae08befe3 | 165 | uint8_t glibr::getMode() |
kbhagat6 | 0:437ae08befe3 | 166 | { |
kbhagat6 | 0:437ae08befe3 | 167 | return I2CreadByte(APDS9960_I2C_ADDR, APDS9960_ENABLE); |
kbhagat6 | 0:437ae08befe3 | 168 | } |
kbhagat6 | 0:437ae08befe3 | 169 | |
kbhagat6 | 0:437ae08befe3 | 170 | bool glibr::setLEDDrive(uint8_t drive) |
kbhagat6 | 0:437ae08befe3 | 171 | { |
kbhagat6 | 0:437ae08befe3 | 172 | uint8_t val; |
kbhagat6 | 0:437ae08befe3 | 173 | |
kbhagat6 | 0:437ae08befe3 | 174 | /* Read value from CONTROL register */ |
kbhagat6 | 0:437ae08befe3 | 175 | |
kbhagat6 | 0:437ae08befe3 | 176 | val=I2CreadByte(APDS9960_I2C_ADDR,APDS9960_CONTROL); |
kbhagat6 | 0:437ae08befe3 | 177 | if(val==ERROR){ |
kbhagat6 | 0:437ae08befe3 | 178 | return false; |
kbhagat6 | 0:437ae08befe3 | 179 | } |
kbhagat6 | 0:437ae08befe3 | 180 | /* Set bits in register to given value */ |
kbhagat6 | 0:437ae08befe3 | 181 | drive &= 0x03; |
kbhagat6 | 0:437ae08befe3 | 182 | drive = drive << 6; |
kbhagat6 | 0:437ae08befe3 | 183 | //val &= 0b00111111; |
kbhagat6 | 0:437ae08befe3 | 184 | val &= 0x3F; |
kbhagat6 | 0:437ae08befe3 | 185 | val |= drive; |
kbhagat6 | 0:437ae08befe3 | 186 | |
kbhagat6 | 0:437ae08befe3 | 187 | /* Write register value back into CONTROL register */ |
kbhagat6 | 0:437ae08befe3 | 188 | if( I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_CONTROL, val) ) { |
kbhagat6 | 0:437ae08befe3 | 189 | return false; |
kbhagat6 | 0:437ae08befe3 | 190 | } |
kbhagat6 | 0:437ae08befe3 | 191 | |
kbhagat6 | 0:437ae08befe3 | 192 | return true; |
kbhagat6 | 0:437ae08befe3 | 193 | } |
kbhagat6 | 0:437ae08befe3 | 194 | |
kbhagat6 | 0:437ae08befe3 | 195 | bool glibr::setProximityGain(uint8_t drive) |
kbhagat6 | 0:437ae08befe3 | 196 | { |
kbhagat6 | 0:437ae08befe3 | 197 | uint8_t val; |
kbhagat6 | 0:437ae08befe3 | 198 | |
kbhagat6 | 0:437ae08befe3 | 199 | /* Read value from CONTROL register */ |
kbhagat6 | 1:c7215f5f9a72 | 200 | |
kbhagat6 | 1:c7215f5f9a72 | 201 | val=I2CreadByte(APDS9960_I2C_ADDR,APDS9960_CONTROL, val); |
kbhagat6 | 0:437ae08befe3 | 202 | |
kbhagat6 | 1:c7215f5f9a72 | 203 | if(val==ERROR){ |
kbhagat6 | 1:c7215f5f9a72 | 204 | return false; |
kbhagat6 | 1:c7215f5f9a72 | 205 | } |
kbhagat6 | 0:437ae08befe3 | 206 | /* Set bits in register to given value */ |
kbhagat6 | 1:c7215f5f9a72 | 207 | //drive &= 0b00000011; |
kbhagat6 | 1:c7215f5f9a72 | 208 | drive &=0x03; |
kbhagat6 | 0:437ae08befe3 | 209 | drive = drive << 2; |
kbhagat6 | 1:c7215f5f9a72 | 210 | val &= 0xF3; |
kbhagat6 | 0:437ae08befe3 | 211 | val |= drive; |
kbhagat6 | 0:437ae08befe3 | 212 | |
kbhagat6 | 0:437ae08befe3 | 213 | /* Write register value back into CONTROL register */ |
kbhagat6 | 1:c7215f5f9a72 | 214 | if( I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_CONTROL, val) ) { |
kbhagat6 | 1:c7215f5f9a72 | 215 | return false; |
kbhagat6 | 1:c7215f5f9a72 | 216 | } |
kbhagat6 | 1:c7215f5f9a72 | 217 | return true; |
kbhagat6 | 1:c7215f5f9a72 | 218 | } |
kbhagat6 | 1:c7215f5f9a72 | 219 | |
kbhagat6 | 1:c7215f5f9a72 | 220 | |
kbhagat6 | 1:c7215f5f9a72 | 221 | bool glibr::setAmbientLightGain(uint8_t drive){ |
kbhagat6 | 1:c7215f5f9a72 | 222 | { |
kbhagat6 | 1:c7215f5f9a72 | 223 | uint8_t val; |
kbhagat6 | 1:c7215f5f9a72 | 224 | |
kbhagat6 | 1:c7215f5f9a72 | 225 | /* Read value from CONTROL register */ |
kbhagat6 | 1:c7215f5f9a72 | 226 | |
kbhagat6 | 1:c7215f5f9a72 | 227 | val=I2CreadByte(APDS9960_I2C_ADDR,APDS9960_CONTROL, val); |
kbhagat6 | 1:c7215f5f9a72 | 228 | |
kbhagat6 | 1:c7215f5f9a72 | 229 | if(val==ERROR){ |
kbhagat6 | 1:c7215f5f9a72 | 230 | return false; |
kbhagat6 | 1:c7215f5f9a72 | 231 | } |
kbhagat6 | 1:c7215f5f9a72 | 232 | /* Set bits in register to given value */ |
kbhagat6 | 1:c7215f5f9a72 | 233 | //drive &= 0b00000011; |
kbhagat6 | 1:c7215f5f9a72 | 234 | drive &=0x03; |
kbhagat6 | 1:c7215f5f9a72 | 235 | drive = drive << 2; |
kbhagat6 | 1:c7215f5f9a72 | 236 | val &= 0xF3; |
kbhagat6 | 1:c7215f5f9a72 | 237 | val |= drive; |
kbhagat6 | 1:c7215f5f9a72 | 238 | |
kbhagat6 | 1:c7215f5f9a72 | 239 | /* Write register value back into CONTROL register */ |
kbhagat6 | 1:c7215f5f9a72 | 240 | if( I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_CONTROL, val) ) { |
kbhagat6 | 1:c7215f5f9a72 | 241 | return false; |
kbhagat6 | 1:c7215f5f9a72 | 242 | } |
kbhagat6 | 1:c7215f5f9a72 | 243 | return true; |
kbhagat6 | 1:c7215f5f9a72 | 244 | } |
kbhagat6 | 1:c7215f5f9a72 | 245 | |
kbhagat6 | 1:c7215f5f9a72 | 246 | |
kbhagat6 | 1:c7215f5f9a72 | 247 | bool glibr::setProxIntLowThresh(uint8_t threshold) |
kbhagat6 | 1:c7215f5f9a72 | 248 | { |
kbhagat6 | 1:c7215f5f9a72 | 249 | if( I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_PILT, threshold) ) { |
kbhagat6 | 0:437ae08befe3 | 250 | return false; |
kbhagat6 | 0:437ae08befe3 | 251 | } |
kbhagat6 | 0:437ae08befe3 | 252 | |
kbhagat6 | 0:437ae08befe3 | 253 | return true; |
kbhagat6 | 0:437ae08befe3 | 254 | } |
kbhagat6 | 0:437ae08befe3 | 255 | |
kbhagat6 | 1:c7215f5f9a72 | 256 | bool glibr::setProxIntHighThresh(uint8_t threshold) |
kbhagat6 | 1:c7215f5f9a72 | 257 | { |
kbhagat6 | 1:c7215f5f9a72 | 258 | |
kbhagat6 | 1:c7215f5f9a72 | 259 | if( I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_PIHT, threshold) ) { |
kbhagat6 | 1:c7215f5f9a72 | 260 | return false; |
kbhagat6 | 1:c7215f5f9a72 | 261 | } |
kbhagat6 | 1:c7215f5f9a72 | 262 | |
kbhagat6 | 1:c7215f5f9a72 | 263 | return true; |
kbhagat6 | 1:c7215f5f9a72 | 264 | } |
kbhagat6 | 0:437ae08befe3 | 265 | |
kbhagat6 | 0:437ae08befe3 | 266 | int glibr::I2CwriteByte(char address, char subAddress, char data) |
kbhagat6 | 0:437ae08befe3 | 267 | { |
kbhagat6 | 0:437ae08befe3 | 268 | int ret; |
kbhagat6 | 0:437ae08befe3 | 269 | char cmd[2] = {subAddress, data}; |
kbhagat6 | 0:437ae08befe3 | 270 | ret=i2c.write(address<<1, cmd, 2); //if ret is 1, then not acked. |
kbhagat6 | 0:437ae08befe3 | 271 | return ret; |
kbhagat6 | 0:437ae08befe3 | 272 | } |
kbhagat6 | 0:437ae08befe3 | 273 | |
kbhagat6 | 1:c7215f5f9a72 | 274 | |
kbhagat6 | 1:c7215f5f9a72 | 275 | bool glibr::setLightIntLowThreshold(uint16_t threshold) |
kbhagat6 | 1:c7215f5f9a72 | 276 | { |
kbhagat6 | 1:c7215f5f9a72 | 277 | uint8_t val_low; |
kbhagat6 | 1:c7215f5f9a72 | 278 | uint8_t val_high; |
kbhagat6 | 1:c7215f5f9a72 | 279 | |
kbhagat6 | 1:c7215f5f9a72 | 280 | /* Break 16-bit threshold into 2 8-bit values */ |
kbhagat6 | 1:c7215f5f9a72 | 281 | val_low = threshold & 0x00FF; |
kbhagat6 | 1:c7215f5f9a72 | 282 | val_high = (threshold & 0xFF00) >> 8; |
kbhagat6 | 1:c7215f5f9a72 | 283 | |
kbhagat6 | 1:c7215f5f9a72 | 284 | /* Write low byte */ |
kbhagat6 | 1:c7215f5f9a72 | 285 | if( I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_AILTL, val_low) ) { |
kbhagat6 | 1:c7215f5f9a72 | 286 | return false; |
kbhagat6 | 1:c7215f5f9a72 | 287 | } |
kbhagat6 | 1:c7215f5f9a72 | 288 | |
kbhagat6 | 1:c7215f5f9a72 | 289 | /* Write high byte */ |
kbhagat6 | 1:c7215f5f9a72 | 290 | if( I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_AILTH, val_high) ) { |
kbhagat6 | 1:c7215f5f9a72 | 291 | return false; |
kbhagat6 | 1:c7215f5f9a72 | 292 | } |
kbhagat6 | 1:c7215f5f9a72 | 293 | |
kbhagat6 | 1:c7215f5f9a72 | 294 | return true; |
kbhagat6 | 1:c7215f5f9a72 | 295 | } |
kbhagat6 | 1:c7215f5f9a72 | 296 | |
kbhagat6 | 0:437ae08befe3 | 297 | uint8_t glibr::I2CreadByte(char address, char subAddress) |
kbhagat6 | 0:437ae08befe3 | 298 | { |
kbhagat6 | 0:437ae08befe3 | 299 | char data; // store the register data |
kbhagat6 | 0:437ae08befe3 | 300 | |
kbhagat6 | 0:437ae08befe3 | 301 | if(i2c.write(address<<1, &subAddress, 1, true)){ |
kbhagat6 | 0:437ae08befe3 | 302 | return ERROR; //7 bit //not acked |
kbhagat6 | 0:437ae08befe3 | 303 | } |
kbhagat6 | 0:437ae08befe3 | 304 | i2c.read(address<<1, &data, 1); |
kbhagat6 | 0:437ae08befe3 | 305 | return data; |
kbhagat6 | 0:437ae08befe3 | 306 | |
kbhagat6 | 0:437ae08befe3 | 307 | } |