Krishan Bhagat / Mbed 2 deprecated GestureSensor_Test

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@10:e8adab2fb829, 2015-03-09 (annotated)

Committer:
kbhagat6
Date:
Mon Mar 09 21:17:34 2015 +0000
Revision:
10:e8adab2fb829
Parent:
9:286d00d9db80
Child:
11:ea43b0b83222
working gesture sensor.  now we just need to write speaker sdcard... and led stuff

Who changed what in which revision?

UserRevisionLine numberNew 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 6:687dff16904e 8 gesture_ud_delta_ = 0;
kbhagat6 6:687dff16904e 9 gesture_lr_delta_ = 0;
kbhagat6 6:687dff16904e 10
kbhagat6 6:687dff16904e 11 gesture_ud_count_ = 0;
kbhagat6 6:687dff16904e 12 gesture_lr_count_ = 0;
kbhagat6 6:687dff16904e 13
kbhagat6 6:687dff16904e 14 gesture_near_count_ = 0;
kbhagat6 6:687dff16904e 15 gesture_far_count_ = 0;
kbhagat6 6:687dff16904e 16
kbhagat6 6:687dff16904e 17 gesture_state_ = 0;
kbhagat6 6:687dff16904e 18 gesture_motion_ = DIR_NONE;
kbhagat6 0:437ae08befe3 19 }
kbhagat6 0:437ae08befe3 20
kbhagat6 0:437ae08befe3 21 glibr::~glibr(){
kbhagat6 0:437ae08befe3 22
kbhagat6 0:437ae08befe3 23 }
kbhagat6 0:437ae08befe3 24
kbhagat6 9:286d00d9db80 25 bool glibr::ginit(){
kbhagat6 0:437ae08befe3 26 uint8_t id;
kbhagat6 0:437ae08befe3 27
kbhagat6 0:437ae08befe3 28 id=I2CreadByte(APDS9960_I2C_ADDR, APDS9960_ID);
kbhagat6 0:437ae08befe3 29
kbhagat6 0:437ae08befe3 30 if( (!(id == APDS9960_ID_1 || id == APDS9960_ID_2))||id==ERROR) {
kbhagat6 0:437ae08befe3 31 return false;
kbhagat6 0:437ae08befe3 32 }
kbhagat6 0:437ae08befe3 33
kbhagat6 0:437ae08befe3 34 if(!setMode(ALL, OFF)) {
kbhagat6 0:437ae08befe3 35 return false;
kbhagat6 0:437ae08befe3 36 }
kbhagat6 0:437ae08befe3 37 if(I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_ATIME, DEFAULT_ATIME)){
kbhagat6 0:437ae08befe3 38 return false;
kbhagat6 0:437ae08befe3 39 }
kbhagat6 0:437ae08befe3 40 if(I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_WTIME, DEFAULT_WTIME)){
kbhagat6 0:437ae08befe3 41 return false;
kbhagat6 0:437ae08befe3 42 }
kbhagat6 0:437ae08befe3 43 if(I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_PPULSE, DEFAULT_PROX_PPULSE)){
kbhagat6 0:437ae08befe3 44 return false;
kbhagat6 0:437ae08befe3 45 }
kbhagat6 0:437ae08befe3 46 if(I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_POFFSET_UR, DEFAULT_POFFSET_UR)){
kbhagat6 0:437ae08befe3 47 return false;
kbhagat6 0:437ae08befe3 48 }
kbhagat6 0:437ae08befe3 49 if(I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_POFFSET_DL, DEFAULT_POFFSET_DL)){
kbhagat6 0:437ae08befe3 50 return false;
kbhagat6 0:437ae08befe3 51 }
kbhagat6 0:437ae08befe3 52 if(I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_CONFIG1, DEFAULT_CONFIG1)){
kbhagat6 0:437ae08befe3 53 return false;
kbhagat6 0:437ae08befe3 54 }
kbhagat6 0:437ae08befe3 55
kbhagat6 0:437ae08befe3 56 if( !setLEDDrive(DEFAULT_LDRIVE) ) {
kbhagat6 0:437ae08befe3 57 return false;
kbhagat6 0:437ae08befe3 58 }
kbhagat6 0:437ae08befe3 59
kbhagat6 0:437ae08befe3 60 if( !setProximityGain(DEFAULT_PGAIN) ) {
kbhagat6 0:437ae08befe3 61 return false;
kbhagat6 0:437ae08befe3 62 }
kbhagat6 0:437ae08befe3 63 if( !setAmbientLightGain(DEFAULT_AGAIN) ) {
kbhagat6 0:437ae08befe3 64 return false;
kbhagat6 0:437ae08befe3 65 }
kbhagat6 0:437ae08befe3 66 if( !setProxIntLowThresh(DEFAULT_PILT) ) {
kbhagat6 0:437ae08befe3 67 return false;
kbhagat6 0:437ae08befe3 68 }
kbhagat6 1:c7215f5f9a72 69 if( !setProxIntHighThresh(DEFAULT_PIHT) ) {
kbhagat6 1:c7215f5f9a72 70 return false;
kbhagat6 1:c7215f5f9a72 71 }
kbhagat6 1:c7215f5f9a72 72 if( !setLightIntLowThreshold(DEFAULT_AILT) ) {
kbhagat6 1:c7215f5f9a72 73 return false;
kbhagat6 1:c7215f5f9a72 74 }
kbhagat6 1:c7215f5f9a72 75 if( I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_CONFIG2, DEFAULT_CONFIG2) ) {
kbhagat6 1:c7215f5f9a72 76 return false;
kbhagat6 1:c7215f5f9a72 77 }
kbhagat6 1:c7215f5f9a72 78 if( I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_CONFIG3, DEFAULT_CONFIG3) ) {
kbhagat6 1:c7215f5f9a72 79 return false;
kbhagat6 1:c7215f5f9a72 80 }
kbhagat6 1:c7215f5f9a72 81
kbhagat6 1:c7215f5f9a72 82 if( !setGestureEnterThresh(DEFAULT_GPENTH) ) {
kbhagat6 1:c7215f5f9a72 83 return false;
kbhagat6 1:c7215f5f9a72 84 }
kbhagat6 1:c7215f5f9a72 85 if( !setGestureExitThresh(DEFAULT_GEXTH) ) {
kbhagat6 1:c7215f5f9a72 86 return false;
kbhagat6 1:c7215f5f9a72 87 }
kbhagat6 1:c7215f5f9a72 88 if( I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_GCONF1, DEFAULT_GCONF1) ) {
kbhagat6 1:c7215f5f9a72 89 return false;
kbhagat6 1:c7215f5f9a72 90 }
kbhagat6 1:c7215f5f9a72 91 if( !setGestureGain(DEFAULT_GGAIN) ) {
kbhagat6 1:c7215f5f9a72 92 return false;
kbhagat6 1:c7215f5f9a72 93 }
kbhagat6 1:c7215f5f9a72 94 if( !setGestureLEDDrive(DEFAULT_GLDRIVE) ) {
kbhagat6 1:c7215f5f9a72 95 return false;
kbhagat6 1:c7215f5f9a72 96 }
kbhagat6 1:c7215f5f9a72 97 if( !setGestureWaitTime(DEFAULT_GWTIME) ) {
kbhagat6 1:c7215f5f9a72 98 return false;
kbhagat6 1:c7215f5f9a72 99 }
kbhagat6 1:c7215f5f9a72 100 if( I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_GOFFSET_U, DEFAULT_GOFFSET) ) {
kbhagat6 1:c7215f5f9a72 101 return false;
kbhagat6 1:c7215f5f9a72 102 }
kbhagat6 1:c7215f5f9a72 103 if( I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_GOFFSET_D, DEFAULT_GOFFSET) ) {
kbhagat6 1:c7215f5f9a72 104 return false;
kbhagat6 1:c7215f5f9a72 105 }
kbhagat6 1:c7215f5f9a72 106 if( I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_GOFFSET_L, DEFAULT_GOFFSET) ) {
kbhagat6 1:c7215f5f9a72 107 return false;
kbhagat6 1:c7215f5f9a72 108 }
kbhagat6 1:c7215f5f9a72 109 if( I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_GOFFSET_R, DEFAULT_GOFFSET) ) {
kbhagat6 1:c7215f5f9a72 110 return false;
kbhagat6 1:c7215f5f9a72 111 }
kbhagat6 1:c7215f5f9a72 112 if(I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_GPULSE, DEFAULT_GPULSE) ) {
kbhagat6 1:c7215f5f9a72 113 return false;
kbhagat6 1:c7215f5f9a72 114 }
kbhagat6 1:c7215f5f9a72 115 if( I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_GCONF3, DEFAULT_GCONF3) ) {
kbhagat6 1:c7215f5f9a72 116 return false;
kbhagat6 1:c7215f5f9a72 117 }
kbhagat6 1:c7215f5f9a72 118 if( !setGestureIntEnable(DEFAULT_GIEN) ) {
kbhagat6 1:c7215f5f9a72 119 return false;
kbhagat6 1:c7215f5f9a72 120 }
kbhagat6 0:437ae08befe3 121
kbhagat6 9:286d00d9db80 122 return true;
kbhagat6 0:437ae08befe3 123
kbhagat6 0:437ae08befe3 124 }
kbhagat6 8:6fa15d4e31fb 125
kbhagat6 9:286d00d9db80 126 //#if 0
kbhagat6 9:286d00d9db80 127 // /* Gesture config register dump */
kbhagat6 9:286d00d9db80 128 // uint8_t reg;
kbhagat6 9:286d00d9db80 129 // uint8_t val;
kbhagat6 9:286d00d9db80 130 //
kbhagat6 9:286d00d9db80 131 // for(reg = 0x80; reg <= 0xAF; reg++) {
kbhagat6 9:286d00d9db80 132 // if( (reg != 0x82) && \
kbhagat6 9:286d00d9db80 133 // (reg != 0x8A) && \
kbhagat6 9:286d00d9db80 134 // (reg != 0x91) && \
kbhagat6 9:286d00d9db80 135 // (reg != 0xA8) && \
kbhagat6 9:286d00d9db80 136 // (reg != 0xAC) && \
kbhagat6 9:286d00d9db80 137 // (reg != 0xAD) )
kbhagat6 9:286d00d9db80 138 // {
kbhagat6 9:286d00d9db80 139 // val= I2CreadByte(APDS9960_I2C_ADDR, reg);
kbhagat6 9:286d00d9db80 140 // if(val==ERROR){
kbhagat6 9:286d00d9db80 141 // printf("ERROR");
kbhagat6 9:286d00d9db80 142 // }
kbhagat6 9:286d00d9db80 143 // /*
kbhagat6 9:286d00d9db80 144 // print(reg, HEX);
kbhagat6 9:286d00d9db80 145 // print(": 0x");
kbhagat6 9:286d00d9db80 146 // println(val, HEX);*/
kbhagat6 9:286d00d9db80 147 // }
kbhagat6 9:286d00d9db80 148 // }
kbhagat6 9:286d00d9db80 149 //
kbhagat6 9:286d00d9db80 150 // for(reg = 0xE4; reg <= 0xE7; reg++) {
kbhagat6 9:286d00d9db80 151 // val= I2CreadByte(APDS9960_I2C_ADDR, reg);
kbhagat6 9:286d00d9db80 152 // /* Serial.print(reg, HEX);
kbhagat6 9:286d00d9db80 153 // Serial.print(": 0x");
kbhagat6 9:286d00d9db80 154 // Serial.println(val, HEX);*/
kbhagat6 9:286d00d9db80 155 // }
kbhagat6 9:286d00d9db80 156 //#endif
kbhagat6 7:0564c6faf8aa 157
kbhagat6 8:6fa15d4e31fb 158 // return true;
kbhagat6 9:286d00d9db80 159
kbhagat6 0:437ae08befe3 160
kbhagat6 0:437ae08befe3 161
kbhagat6 0:437ae08befe3 162
kbhagat6 0:437ae08befe3 163 /**
kbhagat6 0:437ae08befe3 164 * @brief Enables or disables a feature in the APDS-9960
kbhagat6 0:437ae08befe3 165 *
kbhagat6 0:437ae08befe3 166 * @param[in] mode which feature to enable
kbhagat6 0:437ae08befe3 167 * @param[in] enable ON (1) or OFF (0)
kbhagat6 0:437ae08befe3 168 * @return True if operation success. False otherwise.
kbhagat6 0:437ae08befe3 169 */
kbhagat6 0:437ae08befe3 170 bool glibr::setMode(uint8_t mode, uint8_t enable)
kbhagat6 0:437ae08befe3 171 {
kbhagat6 0:437ae08befe3 172 uint8_t reg_val;
kbhagat6 0:437ae08befe3 173
kbhagat6 0:437ae08befe3 174 /* Read current ENABLE register */
kbhagat6 0:437ae08befe3 175 reg_val = getMode();
kbhagat6 0:437ae08befe3 176 if( reg_val == ERROR ) {
kbhagat6 0:437ae08befe3 177 return false;
kbhagat6 0:437ae08befe3 178 }
kbhagat6 0:437ae08befe3 179
kbhagat6 0:437ae08befe3 180 /* Change bit(s) in ENABLE register */
kbhagat6 0:437ae08befe3 181 enable = enable & 0x01;
kbhagat6 0:437ae08befe3 182 if( mode >= 0 && mode <= 6 ) {
kbhagat6 0:437ae08befe3 183 if (enable) {
kbhagat6 0:437ae08befe3 184 reg_val |= (1 << mode);
kbhagat6 0:437ae08befe3 185 } else {
kbhagat6 0:437ae08befe3 186 reg_val &= ~(1 << mode);
kbhagat6 0:437ae08befe3 187 }
kbhagat6 0:437ae08befe3 188 } else if( mode == ALL ) {
kbhagat6 0:437ae08befe3 189 if (enable) {
kbhagat6 0:437ae08befe3 190 reg_val = 0x7F;
kbhagat6 0:437ae08befe3 191 } else {
kbhagat6 0:437ae08befe3 192 reg_val = 0x00;
kbhagat6 0:437ae08befe3 193 }
kbhagat6 0:437ae08befe3 194 }
kbhagat6 0:437ae08befe3 195
kbhagat6 0:437ae08befe3 196 /* Write value back to ENABLE register */
kbhagat6 0:437ae08befe3 197 if(I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_ENABLE, reg_val)){
kbhagat6 0:437ae08befe3 198 return false;
kbhagat6 0:437ae08befe3 199 }
kbhagat6 0:437ae08befe3 200
kbhagat6 0:437ae08befe3 201
kbhagat6 0:437ae08befe3 202
kbhagat6 0:437ae08befe3 203 return true;
kbhagat6 0:437ae08befe3 204 }
kbhagat6 0:437ae08befe3 205
kbhagat6 0:437ae08befe3 206 uint8_t glibr::getMode()
kbhagat6 0:437ae08befe3 207 {
kbhagat6 6:687dff16904e 208 uint8_t val;
kbhagat6 6:687dff16904e 209 val= I2CreadByte(APDS9960_I2C_ADDR, APDS9960_ENABLE);
kbhagat6 6:687dff16904e 210 if(val==ERROR){
kbhagat6 6:687dff16904e 211 return ERROR;
kbhagat6 6:687dff16904e 212 }
kbhagat6 6:687dff16904e 213 return val;
kbhagat6 0:437ae08befe3 214 }
kbhagat6 0:437ae08befe3 215
kbhagat6 0:437ae08befe3 216
kbhagat6 0:437ae08befe3 217
kbhagat6 3:26146a08bb22 218 bool glibr::enableLightSensor(bool interrupts)
kbhagat6 3:26146a08bb22 219 {
kbhagat6 3:26146a08bb22 220
kbhagat6 3:26146a08bb22 221 /* Set default gain, interrupts, enable power, and enable sensor */
kbhagat6 3:26146a08bb22 222 if( !setAmbientLightGain(DEFAULT_AGAIN) ) {
kbhagat6 3:26146a08bb22 223 return false;
kbhagat6 3:26146a08bb22 224 }
kbhagat6 3:26146a08bb22 225 if( interrupts ) {
kbhagat6 3:26146a08bb22 226 if( !setAmbientLightIntEnable(1) ) {
kbhagat6 3:26146a08bb22 227 return false;
kbhagat6 3:26146a08bb22 228 }
kbhagat6 3:26146a08bb22 229 } else {
kbhagat6 3:26146a08bb22 230 if( !setAmbientLightIntEnable(0) ) {
kbhagat6 3:26146a08bb22 231 return false;
kbhagat6 3:26146a08bb22 232 }
kbhagat6 3:26146a08bb22 233 }
kbhagat6 3:26146a08bb22 234 if( !enablePower() ){
kbhagat6 3:26146a08bb22 235 return false;
kbhagat6 3:26146a08bb22 236 }
kbhagat6 3:26146a08bb22 237 if( !setMode(AMBIENT_LIGHT, 1) ) {
kbhagat6 3:26146a08bb22 238 return false;
kbhagat6 3:26146a08bb22 239 }
kbhagat6 3:26146a08bb22 240
kbhagat6 3:26146a08bb22 241 return true;
kbhagat6 3:26146a08bb22 242
kbhagat6 3:26146a08bb22 243 }
kbhagat6 3:26146a08bb22 244
kbhagat6 3:26146a08bb22 245 /**
kbhagat6 3:26146a08bb22 246 * @brief Ends the light sensor on the APDS-9960
kbhagat6 3:26146a08bb22 247 *
kbhagat6 3:26146a08bb22 248 * @return True if sensor disabled correctly. False on error.
kbhagat6 3:26146a08bb22 249 */
kbhagat6 3:26146a08bb22 250 bool glibr::disableLightSensor()
kbhagat6 3:26146a08bb22 251 {
kbhagat6 3:26146a08bb22 252 if( !setAmbientLightIntEnable(0) ) {
kbhagat6 3:26146a08bb22 253 return false;
kbhagat6 3:26146a08bb22 254 }
kbhagat6 3:26146a08bb22 255 if( !setMode(AMBIENT_LIGHT, 0) ) {
kbhagat6 3:26146a08bb22 256 return false;
kbhagat6 3:26146a08bb22 257 }
kbhagat6 3:26146a08bb22 258
kbhagat6 3:26146a08bb22 259 return true;
kbhagat6 3:26146a08bb22 260 }
kbhagat6 3:26146a08bb22 261
kbhagat6 3:26146a08bb22 262 /**
kbhagat6 3:26146a08bb22 263 * @brief Starts the proximity sensor on the APDS-9960
kbhagat6 3:26146a08bb22 264 *
kbhagat6 3:26146a08bb22 265 * @param[in] interrupts true to enable hardware external interrupt on proximity
kbhagat6 3:26146a08bb22 266 * @return True if sensor enabled correctly. False on error.
kbhagat6 3:26146a08bb22 267 */
kbhagat6 3:26146a08bb22 268 bool glibr::enableProximitySensor(bool interrupts)
kbhagat6 3:26146a08bb22 269 {
kbhagat6 3:26146a08bb22 270 /* Set default gain, LED, interrupts, enable power, and enable sensor */
kbhagat6 3:26146a08bb22 271 if( !setProximityGain(DEFAULT_PGAIN) ) {
kbhagat6 3:26146a08bb22 272 return false;
kbhagat6 3:26146a08bb22 273 }
kbhagat6 3:26146a08bb22 274 if( !setLEDDrive(DEFAULT_LDRIVE) ) {
kbhagat6 3:26146a08bb22 275 return false;
kbhagat6 3:26146a08bb22 276 }
kbhagat6 3:26146a08bb22 277 if( interrupts ) {
kbhagat6 3:26146a08bb22 278 if( !setProximityIntEnable(1) ) {
kbhagat6 3:26146a08bb22 279 return false;
kbhagat6 3:26146a08bb22 280 }
kbhagat6 3:26146a08bb22 281 } else {
kbhagat6 3:26146a08bb22 282 if( !setProximityIntEnable(0) ) {
kbhagat6 3:26146a08bb22 283 return false;
kbhagat6 3:26146a08bb22 284 }
kbhagat6 3:26146a08bb22 285 }
kbhagat6 3:26146a08bb22 286 if( !enablePower() ){
kbhagat6 3:26146a08bb22 287 return false;
kbhagat6 3:26146a08bb22 288 }
kbhagat6 3:26146a08bb22 289 if( !setMode(PROXIMITY, 1) ) {
kbhagat6 3:26146a08bb22 290 return false;
kbhagat6 3:26146a08bb22 291 }
kbhagat6 3:26146a08bb22 292
kbhagat6 3:26146a08bb22 293 return true;
kbhagat6 3:26146a08bb22 294 }
kbhagat6 3:26146a08bb22 295
kbhagat6 3:26146a08bb22 296 /**
kbhagat6 3:26146a08bb22 297 * @brief Ends the proximity sensor on the APDS-9960
kbhagat6 3:26146a08bb22 298 *
kbhagat6 3:26146a08bb22 299 * @return True if sensor disabled correctly. False on error.
kbhagat6 3:26146a08bb22 300 */
kbhagat6 3:26146a08bb22 301 bool glibr::disableProximitySensor()
kbhagat6 3:26146a08bb22 302 {
kbhagat6 3:26146a08bb22 303 if( !setProximityIntEnable(0) ) {
kbhagat6 3:26146a08bb22 304 return false;
kbhagat6 3:26146a08bb22 305 }
kbhagat6 3:26146a08bb22 306 if( !setMode(PROXIMITY, 0) ) {
kbhagat6 3:26146a08bb22 307 return false;
kbhagat6 3:26146a08bb22 308 }
kbhagat6 3:26146a08bb22 309
kbhagat6 3:26146a08bb22 310 return true;
kbhagat6 3:26146a08bb22 311 }
kbhagat6 3:26146a08bb22 312
kbhagat6 3:26146a08bb22 313
kbhagat6 3:26146a08bb22 314 /**
kbhagat6 3:26146a08bb22 315 * @brief Starts the gesture recognition engine on the APDS-9960
kbhagat6 3:26146a08bb22 316 *
kbhagat6 3:26146a08bb22 317 * @param[in] interrupts true to enable hardware external interrupt on gesture
kbhagat6 3:26146a08bb22 318 * @return True if engine enabled correctly. False on error.
kbhagat6 3:26146a08bb22 319 */
kbhagat6 3:26146a08bb22 320 bool glibr::enableGestureSensor(bool interrupts)
kbhagat6 3:26146a08bb22 321 {
kbhagat6 3:26146a08bb22 322
kbhagat6 3:26146a08bb22 323 /* Enable gesture mode
kbhagat6 3:26146a08bb22 324 Set ENABLE to 0 (power off)
kbhagat6 3:26146a08bb22 325 Set WTIME to 0xFF
kbhagat6 3:26146a08bb22 326 Set AUX to LED_BOOST_300
kbhagat6 3:26146a08bb22 327 Enable PON, WEN, PEN, GEN in ENABLE
kbhagat6 3:26146a08bb22 328 */
kbhagat6 3:26146a08bb22 329
kbhagat6 3:26146a08bb22 330 resetGestureParameters();
kbhagat6 3:26146a08bb22 331 if(I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_WTIME, 0xFF) ) {
kbhagat6 3:26146a08bb22 332 return false;
kbhagat6 3:26146a08bb22 333 }
kbhagat6 3:26146a08bb22 334 if(I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_PPULSE, DEFAULT_GESTURE_PPULSE) ) {
kbhagat6 3:26146a08bb22 335 return false;
kbhagat6 3:26146a08bb22 336 }
kbhagat6 3:26146a08bb22 337 if( !setLEDBoost(LED_BOOST_300) ) {
kbhagat6 3:26146a08bb22 338 return false;
kbhagat6 3:26146a08bb22 339 }
kbhagat6 3:26146a08bb22 340 if( interrupts ) {
kbhagat6 3:26146a08bb22 341 if( !setGestureIntEnable(1) ) {
kbhagat6 3:26146a08bb22 342 return false;
kbhagat6 3:26146a08bb22 343 }
kbhagat6 3:26146a08bb22 344 } else {
kbhagat6 3:26146a08bb22 345 if( !setGestureIntEnable(0) ) {
kbhagat6 3:26146a08bb22 346 return false;
kbhagat6 3:26146a08bb22 347 }
kbhagat6 3:26146a08bb22 348 }
kbhagat6 3:26146a08bb22 349 if( !setGestureMode(1) ) {
kbhagat6 3:26146a08bb22 350 return false;
kbhagat6 3:26146a08bb22 351 }
kbhagat6 3:26146a08bb22 352 if( !enablePower() ){
kbhagat6 3:26146a08bb22 353 return false;
kbhagat6 3:26146a08bb22 354 }
kbhagat6 3:26146a08bb22 355 if( !setMode(WAIT, 1) ) {
kbhagat6 3:26146a08bb22 356 return false;
kbhagat6 3:26146a08bb22 357 }
kbhagat6 3:26146a08bb22 358 if( !setMode(PROXIMITY, 1) ) {
kbhagat6 3:26146a08bb22 359 return false;
kbhagat6 3:26146a08bb22 360 }
kbhagat6 3:26146a08bb22 361 if( !setMode(GESTURE, 1) ) {
kbhagat6 3:26146a08bb22 362 return false;
kbhagat6 3:26146a08bb22 363 }
kbhagat6 3:26146a08bb22 364
kbhagat6 3:26146a08bb22 365 return true;
kbhagat6 3:26146a08bb22 366 }
kbhagat6 3:26146a08bb22 367
kbhagat6 3:26146a08bb22 368 /**
kbhagat6 3:26146a08bb22 369 * @brief Ends the gesture recognition engine on the APDS-9960
kbhagat6 3:26146a08bb22 370 *
kbhagat6 3:26146a08bb22 371 * @return True if engine disabled correctly. False on error.
kbhagat6 3:26146a08bb22 372 */
kbhagat6 3:26146a08bb22 373 bool glibr::disableGestureSensor()
kbhagat6 3:26146a08bb22 374 {
kbhagat6 3:26146a08bb22 375 resetGestureParameters();
kbhagat6 3:26146a08bb22 376 if( !setGestureIntEnable(0) ) {
kbhagat6 3:26146a08bb22 377 return false;
kbhagat6 3:26146a08bb22 378 }
kbhagat6 3:26146a08bb22 379 if( !setGestureMode(0) ) {
kbhagat6 3:26146a08bb22 380 return false;
kbhagat6 3:26146a08bb22 381 }
kbhagat6 3:26146a08bb22 382 if( !setMode(GESTURE, 0) ) {
kbhagat6 3:26146a08bb22 383 return false;
kbhagat6 3:26146a08bb22 384 }
kbhagat6 3:26146a08bb22 385
kbhagat6 3:26146a08bb22 386 return true;
kbhagat6 3:26146a08bb22 387 }
kbhagat6 3:26146a08bb22 388
kbhagat6 3:26146a08bb22 389
kbhagat6 3:26146a08bb22 390 /**
kbhagat6 3:26146a08bb22 391 * @brief Determines if there is a gesture available for reading
kbhagat6 3:26146a08bb22 392 *
kbhagat6 3:26146a08bb22 393 * @return True if gesture available. False otherwise.
kbhagat6 3:26146a08bb22 394 */
kbhagat6 3:26146a08bb22 395 bool glibr::isGestureAvailable()
kbhagat6 3:26146a08bb22 396 {
kbhagat6 3:26146a08bb22 397 uint8_t val;
kbhagat6 3:26146a08bb22 398
kbhagat6 3:26146a08bb22 399 /* Read value from GSTATUS register */
kbhagat6 4:84545b0e63a9 400 val=I2CreadByte(APDS9960_I2C_ADDR,APDS9960_GSTATUS);
kbhagat6 5:3eb4f3091bd8 401 if( val==ERROR) {
kbhagat6 3:26146a08bb22 402 return ERROR;
kbhagat6 3:26146a08bb22 403 }
kbhagat6 3:26146a08bb22 404
kbhagat6 3:26146a08bb22 405 /* Shift and mask out GVALID bit */
kbhagat6 3:26146a08bb22 406 val &= APDS9960_GVALID;
kbhagat6 3:26146a08bb22 407
kbhagat6 3:26146a08bb22 408 /* Return true/false based on GVALID bit */
kbhagat6 3:26146a08bb22 409 if( val == 1) {
kbhagat6 3:26146a08bb22 410 return true;
kbhagat6 3:26146a08bb22 411 } else {
kbhagat6 3:26146a08bb22 412 return false;
kbhagat6 3:26146a08bb22 413 }
kbhagat6 3:26146a08bb22 414 }
kbhagat6 3:26146a08bb22 415
kbhagat6 4:84545b0e63a9 416 int glibr::readGesture()
kbhagat6 4:84545b0e63a9 417 {
kbhagat6 4:84545b0e63a9 418 uint8_t fifo_level = 0;
kbhagat6 8:6fa15d4e31fb 419 // uint8_t bytes_expected= 0;
kbhagat6 8:6fa15d4e31fb 420 int check;
kbhagat6 9:286d00d9db80 421 //char fifo_data[128];
kbhagat6 9:286d00d9db80 422 char fifo_data[128];
kbhagat6 9:286d00d9db80 423 char *fptr;
kbhagat6 9:286d00d9db80 424 fptr= fifo_data;
kbhagat6 9:286d00d9db80 425
kbhagat6 4:84545b0e63a9 426 uint8_t gstatus;
kbhagat6 4:84545b0e63a9 427 int motion;
kbhagat6 4:84545b0e63a9 428 int i;
kbhagat6 4:84545b0e63a9 429
kbhagat6 4:84545b0e63a9 430 /* Make sure that power and gesture is on and data is valid */
kbhagat6 4:84545b0e63a9 431 if( !isGestureAvailable() || !(getMode() & 0x41) ) {
kbhagat6 4:84545b0e63a9 432 return DIR_NONE;
kbhagat6 4:84545b0e63a9 433 }
kbhagat6 10:e8adab2fb829 434
kbhagat6 4:84545b0e63a9 435
kbhagat6 4:84545b0e63a9 436 /* Keep looping as long as gesture data is valid */
kbhagat6 4:84545b0e63a9 437 while(1) {
kbhagat6 10:e8adab2fb829 438
kbhagat6 4:84545b0e63a9 439 /* Wait some time to collect next batch of FIFO data */
kbhagat6 5:3eb4f3091bd8 440 wait(FIFO_PAUSE_TIME);
kbhagat6 4:84545b0e63a9 441
kbhagat6 4:84545b0e63a9 442 /* Get the contents of the STATUS register. Is data still valid? */
kbhagat6 10:e8adab2fb829 443
kbhagat6 4:84545b0e63a9 444 gstatus=I2CreadByte(APDS9960_I2C_ADDR,APDS9960_GSTATUS);
kbhagat6 4:84545b0e63a9 445 if( gstatus==ERROR ) {
kbhagat6 4:84545b0e63a9 446 return ERROR;
kbhagat6 4:84545b0e63a9 447 }
kbhagat6 4:84545b0e63a9 448 /* If we have valid data, read in FIFO */
kbhagat6 4:84545b0e63a9 449 if( (gstatus & APDS9960_GVALID) == APDS9960_GVALID ) {
kbhagat6 4:84545b0e63a9 450
kbhagat6 4:84545b0e63a9 451 /* Read the current FIFO level */
kbhagat6 8:6fa15d4e31fb 452 fifo_level=I2CreadByte(APDS9960_I2C_ADDR,APDS9960_GFLVL);
kbhagat6 8:6fa15d4e31fb 453 if( fifo_level==ERROR ) {
kbhagat6 4:84545b0e63a9 454 return ERROR;
kbhagat6 4:84545b0e63a9 455 }
kbhagat6 8:6fa15d4e31fb 456
kbhagat6 4:84545b0e63a9 457 //#if DEBUG
kbhagat6 4:84545b0e63a9 458 // Serial.print("FIFO Level: ");
kbhagat6 4:84545b0e63a9 459 // Serial.println(fifo_level);
kbhagat6 4:84545b0e63a9 460 //#endif
kbhagat6 4:84545b0e63a9 461
kbhagat6 4:84545b0e63a9 462 /* If there's stuff in the FIFO, read it into our data block */ //NEED TO FIGURE OUT WHAT THIS IS DOING.
kbhagat6 5:3eb4f3091bd8 463
kbhagat6 4:84545b0e63a9 464 if( fifo_level > 0) {
kbhagat6 8:6fa15d4e31fb 465 check = I2CReadDataBlock(APDS9960_I2C_ADDR,APDS9960_GFIFO_U,
kbhagat6 9:286d00d9db80 466 fptr,
kbhagat6 4:84545b0e63a9 467 (fifo_level * 4) );
kbhagat6 8:6fa15d4e31fb 468
kbhagat6 8:6fa15d4e31fb 469 if( check == -1 ) {
kbhagat6 4:84545b0e63a9 470 return ERROR;
kbhagat6 4:84545b0e63a9 471 }
kbhagat6 10:e8adab2fb829 472
kbhagat6 4:84545b0e63a9 473 #if DEBUG
kbhagat6 8:6fa15d4e31fb 474 //Serial.print("FIFO Dump: ");
kbhagat6 8:6fa15d4e31fb 475 for ( i = 0; i < (fifo_level * 4); i++ ) {
kbhagat6 8:6fa15d4e31fb 476 // Serial.print(fifo_data[i]);
kbhagat6 8:6fa15d4e31fb 477 // Serial.print(" ");
kbhagat6 4:84545b0e63a9 478 }
kbhagat6 8:6fa15d4e31fb 479 //Serial.println();
kbhagat6 4:84545b0e63a9 480 #endif
kbhagat6 4:84545b0e63a9 481
kbhagat6 4:84545b0e63a9 482 /* If at least 1 set of data, sort the data into U/D/L/R */
kbhagat6 8:6fa15d4e31fb 483 if((fifo_level * 4) >= 4 ) {
kbhagat6 8:6fa15d4e31fb 484 for( i = 0; i < (fifo_level * 4); i += 4 ) {
kbhagat6 8:6fa15d4e31fb 485 gesture_data_.u_data[gesture_data_.sindex] = \
kbhagat6 4:84545b0e63a9 486 fifo_data[i + 0];
kbhagat6 8:6fa15d4e31fb 487 gesture_data_.d_data[gesture_data_.sindex] = \
kbhagat6 4:84545b0e63a9 488 fifo_data[i + 1];
kbhagat6 8:6fa15d4e31fb 489 gesture_data_.l_data[gesture_data_.sindex] = \
kbhagat6 4:84545b0e63a9 490 fifo_data[i + 2];
kbhagat6 8:6fa15d4e31fb 491 gesture_data_.r_data[gesture_data_.sindex] = \
kbhagat6 4:84545b0e63a9 492 fifo_data[i + 3];
kbhagat6 8:6fa15d4e31fb 493 gesture_data_.sindex++;
kbhagat6 4:84545b0e63a9 494 gesture_data_.total_gestures++;
kbhagat6 4:84545b0e63a9 495 }
kbhagat6 4:84545b0e63a9 496
kbhagat6 4:84545b0e63a9 497 #if DEBUG
kbhagat6 5:3eb4f3091bd8 498 // Serial.print("Up Data: ");
kbhagat6 4:84545b0e63a9 499 for ( i = 0; i < gesture_data_.total_gestures; i++ ) {
kbhagat6 5:3eb4f3091bd8 500 // Serial.print(gesture_data_.u_data[i]);
kbhagat6 5:3eb4f3091bd8 501 // Serial.print(" ");
kbhagat6 4:84545b0e63a9 502 }
kbhagat6 5:3eb4f3091bd8 503 // Serial.println();
kbhagat6 4:84545b0e63a9 504 #endif
kbhagat6 4:84545b0e63a9 505
kbhagat6 4:84545b0e63a9 506 /* Filter and process gesture data. Decode near/far state */
kbhagat6 4:84545b0e63a9 507 if( processGestureData() ) {
kbhagat6 4:84545b0e63a9 508 if( decodeGesture() ) {
kbhagat6 4:84545b0e63a9 509 //***TODO: U-Turn Gestures
kbhagat6 4:84545b0e63a9 510 #if DEBUG
kbhagat6 4:84545b0e63a9 511 //Serial.println(gesture_motion_);
kbhagat6 4:84545b0e63a9 512 #endif
kbhagat6 4:84545b0e63a9 513 }
kbhagat6 4:84545b0e63a9 514 }
kbhagat6 4:84545b0e63a9 515
kbhagat6 4:84545b0e63a9 516 /* Reset data */
kbhagat6 8:6fa15d4e31fb 517 gesture_data_.sindex = 0;
kbhagat6 4:84545b0e63a9 518 gesture_data_.total_gestures = 0;
kbhagat6 4:84545b0e63a9 519 }
kbhagat6 4:84545b0e63a9 520 }
kbhagat6 4:84545b0e63a9 521 } else {
kbhagat6 4:84545b0e63a9 522
kbhagat6 4:84545b0e63a9 523 /* Determine best guessed gesture and clean up */
kbhagat6 5:3eb4f3091bd8 524 wait(FIFO_PAUSE_TIME);
kbhagat6 4:84545b0e63a9 525 decodeGesture();
kbhagat6 4:84545b0e63a9 526 motion = gesture_motion_;
kbhagat6 4:84545b0e63a9 527 #if DEBUG
kbhagat6 5:3eb4f3091bd8 528 // Serial.print("END: ");
kbhagat6 5:3eb4f3091bd8 529 // Serial.println(gesture_motion_);
kbhagat6 4:84545b0e63a9 530 #endif
kbhagat6 4:84545b0e63a9 531 resetGestureParameters();
kbhagat6 4:84545b0e63a9 532 return motion;
kbhagat6 4:84545b0e63a9 533 }
kbhagat6 4:84545b0e63a9 534 }
kbhagat6 9:286d00d9db80 535 // delete fptr;
kbhagat6 4:84545b0e63a9 536 }
kbhagat6 6:687dff16904e 537 /**
kbhagat6 6:687dff16904e 538 * Turn the APDS-9960 on
kbhagat6 6:687dff16904e 539 *
kbhagat6 6:687dff16904e 540 * @return True if operation successful. False otherwise.
kbhagat6 6:687dff16904e 541 */
kbhagat6 6:687dff16904e 542 bool glibr::enablePower()
kbhagat6 6:687dff16904e 543 {
kbhagat6 6:687dff16904e 544 if( !setMode(POWER, 1) ) {
kbhagat6 6:687dff16904e 545 return false;
kbhagat6 6:687dff16904e 546 }
kbhagat6 6:687dff16904e 547
kbhagat6 6:687dff16904e 548 return true;
kbhagat6 6:687dff16904e 549 }
kbhagat6 6:687dff16904e 550
kbhagat6 6:687dff16904e 551 /**
kbhagat6 6:687dff16904e 552 * Turn the APDS-9960 off
kbhagat6 6:687dff16904e 553 *
kbhagat6 6:687dff16904e 554 * @return True if operation successful. False otherwise.
kbhagat6 6:687dff16904e 555 */
kbhagat6 6:687dff16904e 556 bool glibr::disablePower()
kbhagat6 6:687dff16904e 557 {
kbhagat6 6:687dff16904e 558 if( !setMode(POWER, 0) ) {
kbhagat6 6:687dff16904e 559 return false;
kbhagat6 6:687dff16904e 560 }
kbhagat6 6:687dff16904e 561
kbhagat6 6:687dff16904e 562 return true;
kbhagat6 6:687dff16904e 563 }
kbhagat6 6:687dff16904e 564
kbhagat6 6:687dff16904e 565 /*******************************************************************************
kbhagat6 6:687dff16904e 566 * Ambient light and color sensor controls
kbhagat6 6:687dff16904e 567 ******************************************************************************/
kbhagat6 6:687dff16904e 568
kbhagat6 6:687dff16904e 569 /**
kbhagat6 6:687dff16904e 570 * @brief Reads the ambient (clear) light level as a 16-bit value
kbhagat6 6:687dff16904e 571 *
kbhagat6 6:687dff16904e 572 * @param[out] val value of the light sensor.
kbhagat6 6:687dff16904e 573 * @return True if operation successful. False otherwise.
kbhagat6 6:687dff16904e 574 */
kbhagat6 6:687dff16904e 575 bool glibr::readAmbientLight(uint16_t &val)
kbhagat6 6:687dff16904e 576 {
kbhagat6 6:687dff16904e 577 uint8_t val_byte;
kbhagat6 6:687dff16904e 578 val = 0;
kbhagat6 6:687dff16904e 579
kbhagat6 6:687dff16904e 580 /* Read value from clear channel, low byte register */
kbhagat6 6:687dff16904e 581 val_byte=I2CreadByte(APDS9960_I2C_ADDR,APDS9960_CDATAL);
kbhagat6 8:6fa15d4e31fb 582 if( val_byte==ERROR) {
kbhagat6 6:687dff16904e 583 return false;
kbhagat6 6:687dff16904e 584 }
kbhagat6 6:687dff16904e 585 val = val_byte;
kbhagat6 6:687dff16904e 586
kbhagat6 6:687dff16904e 587 /* Read value from clear channel, high byte register */
kbhagat6 6:687dff16904e 588
kbhagat6 6:687dff16904e 589 val_byte=I2CreadByte(APDS9960_I2C_ADDR,APDS9960_CDATAH);
kbhagat6 8:6fa15d4e31fb 590 if( val_byte==ERROR) {
kbhagat6 6:687dff16904e 591 return false;
kbhagat6 6:687dff16904e 592 }
kbhagat6 6:687dff16904e 593 val = val + ((uint16_t)val_byte << 8);
kbhagat6 6:687dff16904e 594
kbhagat6 6:687dff16904e 595 return true;
kbhagat6 6:687dff16904e 596 }
kbhagat6 6:687dff16904e 597
kbhagat6 6:687dff16904e 598 /**
kbhagat6 6:687dff16904e 599 * @brief Reads the red light level as a 16-bit value
kbhagat6 6:687dff16904e 600 *
kbhagat6 6:687dff16904e 601 * @param[out] val value of the light sensor.
kbhagat6 6:687dff16904e 602 * @return True if operation successful. False otherwise.
kbhagat6 6:687dff16904e 603 */
kbhagat6 6:687dff16904e 604 bool glibr::readRedLight(uint16_t &val)
kbhagat6 6:687dff16904e 605 {
kbhagat6 6:687dff16904e 606 uint8_t val_byte;
kbhagat6 6:687dff16904e 607 val = 0;
kbhagat6 6:687dff16904e 608
kbhagat6 6:687dff16904e 609 /* Read value from clear channel, low byte register */
kbhagat6 6:687dff16904e 610 val_byte=I2CreadByte(APDS9960_I2C_ADDR,APDS9960_RDATAL);
kbhagat6 8:6fa15d4e31fb 611 if( val_byte==ERROR) {
kbhagat6 6:687dff16904e 612 return false;
kbhagat6 6:687dff16904e 613 }
kbhagat6 6:687dff16904e 614
kbhagat6 6:687dff16904e 615 val = val_byte;
kbhagat6 6:687dff16904e 616
kbhagat6 6:687dff16904e 617 /* Read value from clear channel, high byte register */
kbhagat6 6:687dff16904e 618 val_byte=I2CreadByte(APDS9960_I2C_ADDR,APDS9960_RDATAH);
kbhagat6 8:6fa15d4e31fb 619 if( val_byte==ERROR) {
kbhagat6 6:687dff16904e 620 return false;
kbhagat6 6:687dff16904e 621 }
kbhagat6 6:687dff16904e 622 val = val + ((uint16_t)val_byte << 8);
kbhagat6 6:687dff16904e 623
kbhagat6 6:687dff16904e 624 return true;
kbhagat6 6:687dff16904e 625 }
kbhagat6 6:687dff16904e 626
kbhagat6 6:687dff16904e 627 /**
kbhagat6 6:687dff16904e 628 * @brief Reads the green light level as a 16-bit value
kbhagat6 6:687dff16904e 629 *
kbhagat6 6:687dff16904e 630 * @param[out] val value of the light sensor.
kbhagat6 6:687dff16904e 631 * @return True if operation successful. False otherwise.
kbhagat6 6:687dff16904e 632 */
kbhagat6 6:687dff16904e 633
kbhagat6 6:687dff16904e 634 bool glibr::readGreenLight(uint16_t &val)
kbhagat6 6:687dff16904e 635 {
kbhagat6 6:687dff16904e 636 uint8_t val_byte;
kbhagat6 6:687dff16904e 637 val = 0;
kbhagat6 6:687dff16904e 638
kbhagat6 6:687dff16904e 639 /* Read value from clear channel, low byte register */
kbhagat6 6:687dff16904e 640 val_byte=I2CreadByte(APDS9960_I2C_ADDR,APDS9960_GDATAL);
kbhagat6 8:6fa15d4e31fb 641 if( val_byte==ERROR) {
kbhagat6 6:687dff16904e 642 return false;
kbhagat6 6:687dff16904e 643 }
kbhagat6 6:687dff16904e 644
kbhagat6 6:687dff16904e 645 val = val_byte;
kbhagat6 6:687dff16904e 646
kbhagat6 6:687dff16904e 647 /* Read value from clear channel, high byte register */
kbhagat6 6:687dff16904e 648 val_byte=I2CreadByte(APDS9960_I2C_ADDR,APDS9960_GDATAH);
kbhagat6 8:6fa15d4e31fb 649 if( val_byte==ERROR) {
kbhagat6 6:687dff16904e 650 return false;
kbhagat6 6:687dff16904e 651 }
kbhagat6 6:687dff16904e 652 val = val + ((uint16_t)val_byte << 8);
kbhagat6 6:687dff16904e 653
kbhagat6 6:687dff16904e 654 return true;
kbhagat6 6:687dff16904e 655 }
kbhagat6 6:687dff16904e 656
kbhagat6 6:687dff16904e 657 /**
kbhagat6 6:687dff16904e 658 * @brief Reads the red light level as a 16-bit value
kbhagat6 6:687dff16904e 659 *
kbhagat6 6:687dff16904e 660 * @param[out] val value of the light sensor.
kbhagat6 6:687dff16904e 661 * @return True if operation successful. False otherwise.
kbhagat6 6:687dff16904e 662 */
kbhagat6 6:687dff16904e 663
kbhagat6 6:687dff16904e 664 bool glibr::readBlueLight(uint16_t &val)
kbhagat6 6:687dff16904e 665 {
kbhagat6 6:687dff16904e 666 uint8_t val_byte;
kbhagat6 6:687dff16904e 667 val = 0;
kbhagat6 6:687dff16904e 668
kbhagat6 6:687dff16904e 669 /* Read value from clear channel, low byte register */
kbhagat6 6:687dff16904e 670 val_byte=I2CreadByte(APDS9960_I2C_ADDR,APDS9960_BDATAL);
kbhagat6 8:6fa15d4e31fb 671 if( val_byte==ERROR) {
kbhagat6 6:687dff16904e 672 return false;
kbhagat6 6:687dff16904e 673 }
kbhagat6 6:687dff16904e 674
kbhagat6 6:687dff16904e 675 val = val_byte;
kbhagat6 6:687dff16904e 676
kbhagat6 6:687dff16904e 677 /* Read value from clear channel, high byte register */
kbhagat6 6:687dff16904e 678 val_byte=I2CreadByte(APDS9960_I2C_ADDR,APDS9960_BDATAH);
kbhagat6 8:6fa15d4e31fb 679 if( val_byte==ERROR) {
kbhagat6 6:687dff16904e 680 return false;
kbhagat6 6:687dff16904e 681 }
kbhagat6 6:687dff16904e 682 val = val + ((uint16_t)val_byte << 8);
kbhagat6 6:687dff16904e 683
kbhagat6 6:687dff16904e 684 return true;
kbhagat6 6:687dff16904e 685 }
kbhagat6 6:687dff16904e 686
kbhagat6 6:687dff16904e 687 /*******************************************************************************
kbhagat6 6:687dff16904e 688 * Proximity sensor controls
kbhagat6 6:687dff16904e 689 ******************************************************************************/
kbhagat6 6:687dff16904e 690
kbhagat6 6:687dff16904e 691 /**
kbhagat6 6:687dff16904e 692 * @brief Reads the proximity level as an 8-bit value
kbhagat6 6:687dff16904e 693 *
kbhagat6 6:687dff16904e 694 * @param[out] val value of the proximity sensor.
kbhagat6 6:687dff16904e 695 * @return True if operation successful. False otherwise.
kbhagat6 6:687dff16904e 696 */
kbhagat6 6:687dff16904e 697 bool glibr::readProximity(uint8_t &val)
kbhagat6 6:687dff16904e 698 {
kbhagat6 6:687dff16904e 699 val = 0;
kbhagat6 6:687dff16904e 700
kbhagat6 6:687dff16904e 701 /* Read value from proximity data register */
kbhagat6 6:687dff16904e 702 val=I2CreadByte(APDS9960_I2C_ADDR,APDS9960_PDATA);
kbhagat6 6:687dff16904e 703
kbhagat6 6:687dff16904e 704 if(val==ERROR){
kbhagat6 6:687dff16904e 705 return false;
kbhagat6 6:687dff16904e 706 }
kbhagat6 6:687dff16904e 707
kbhagat6 6:687dff16904e 708 return true;
kbhagat6 6:687dff16904e 709 }
kbhagat6 6:687dff16904e 710
kbhagat6 6:687dff16904e 711 /*******************************************************************************
kbhagat6 6:687dff16904e 712 * High-level gesture controls
kbhagat6 6:687dff16904e 713 ******************************************************************************/
kbhagat6 6:687dff16904e 714
kbhagat6 6:687dff16904e 715 /**
kbhagat6 6:687dff16904e 716 * @brief Resets all the parameters in the gesture data member
kbhagat6 6:687dff16904e 717 */
kbhagat6 6:687dff16904e 718 void glibr::resetGestureParameters()
kbhagat6 6:687dff16904e 719 {
kbhagat6 8:6fa15d4e31fb 720 gesture_data_.sindex = 0;
kbhagat6 6:687dff16904e 721 gesture_data_.total_gestures = 0;
kbhagat6 6:687dff16904e 722
kbhagat6 6:687dff16904e 723 gesture_ud_delta_ = 0;
kbhagat6 6:687dff16904e 724 gesture_lr_delta_ = 0;
kbhagat6 6:687dff16904e 725
kbhagat6 6:687dff16904e 726 gesture_ud_count_ = 0;
kbhagat6 6:687dff16904e 727 gesture_lr_count_ = 0;
kbhagat6 6:687dff16904e 728
kbhagat6 6:687dff16904e 729 gesture_near_count_ = 0;
kbhagat6 6:687dff16904e 730 gesture_far_count_ = 0;
kbhagat6 6:687dff16904e 731
kbhagat6 6:687dff16904e 732 gesture_state_ = 0;
kbhagat6 6:687dff16904e 733 gesture_motion_ = DIR_NONE;
kbhagat6 6:687dff16904e 734 }
kbhagat6 6:687dff16904e 735
kbhagat6 7:0564c6faf8aa 736 bool glibr::processGestureData()
kbhagat6 7:0564c6faf8aa 737 {
kbhagat6 7:0564c6faf8aa 738 uint8_t u_first = 0;
kbhagat6 7:0564c6faf8aa 739 uint8_t d_first = 0;
kbhagat6 7:0564c6faf8aa 740 uint8_t l_first = 0;
kbhagat6 7:0564c6faf8aa 741 uint8_t r_first = 0;
kbhagat6 7:0564c6faf8aa 742 uint8_t u_last = 0;
kbhagat6 7:0564c6faf8aa 743 uint8_t d_last = 0;
kbhagat6 7:0564c6faf8aa 744 uint8_t l_last = 0;
kbhagat6 7:0564c6faf8aa 745 uint8_t r_last = 0;
kbhagat6 7:0564c6faf8aa 746 int ud_ratio_first;
kbhagat6 7:0564c6faf8aa 747 int lr_ratio_first;
kbhagat6 7:0564c6faf8aa 748 int ud_ratio_last;
kbhagat6 7:0564c6faf8aa 749 int lr_ratio_last;
kbhagat6 7:0564c6faf8aa 750 int ud_delta;
kbhagat6 7:0564c6faf8aa 751 int lr_delta;
kbhagat6 7:0564c6faf8aa 752 int i;
kbhagat6 7:0564c6faf8aa 753
kbhagat6 7:0564c6faf8aa 754 /* If we have less than 4 total gestures, that's not enough */
kbhagat6 7:0564c6faf8aa 755 if( gesture_data_.total_gestures <= 4 ) {
kbhagat6 7:0564c6faf8aa 756 return false;
kbhagat6 7:0564c6faf8aa 757 }
kbhagat6 7:0564c6faf8aa 758
kbhagat6 7:0564c6faf8aa 759 /* Check to make sure our data isn't out of bounds */
kbhagat6 7:0564c6faf8aa 760 if( (gesture_data_.total_gestures <= 32) && \
kbhagat6 7:0564c6faf8aa 761 (gesture_data_.total_gestures > 0) ) {
kbhagat6 7:0564c6faf8aa 762
kbhagat6 7:0564c6faf8aa 763 /* Find the first value in U/D/L/R above the threshold */
kbhagat6 7:0564c6faf8aa 764 for( i = 0; i < gesture_data_.total_gestures; i++ ) {
kbhagat6 7:0564c6faf8aa 765 if( (gesture_data_.u_data[i] > GESTURE_THRESHOLD_OUT) &&
kbhagat6 7:0564c6faf8aa 766 (gesture_data_.d_data[i] > GESTURE_THRESHOLD_OUT) &&
kbhagat6 7:0564c6faf8aa 767 (gesture_data_.l_data[i] > GESTURE_THRESHOLD_OUT) &&
kbhagat6 7:0564c6faf8aa 768 (gesture_data_.r_data[i] > GESTURE_THRESHOLD_OUT) ) {
kbhagat6 7:0564c6faf8aa 769
kbhagat6 7:0564c6faf8aa 770 u_first = gesture_data_.u_data[i];
kbhagat6 7:0564c6faf8aa 771 d_first = gesture_data_.d_data[i];
kbhagat6 7:0564c6faf8aa 772 l_first = gesture_data_.l_data[i];
kbhagat6 7:0564c6faf8aa 773 r_first = gesture_data_.r_data[i];
kbhagat6 7:0564c6faf8aa 774 break;
kbhagat6 7:0564c6faf8aa 775 }
kbhagat6 7:0564c6faf8aa 776 }
kbhagat6 7:0564c6faf8aa 777
kbhagat6 7:0564c6faf8aa 778 /* If one of the _first values is 0, then there is no good data */
kbhagat6 7:0564c6faf8aa 779 if( (u_first == 0) || (d_first == 0) || \
kbhagat6 7:0564c6faf8aa 780 (l_first == 0) || (r_first == 0) ) {
kbhagat6 7:0564c6faf8aa 781
kbhagat6 7:0564c6faf8aa 782 return false;
kbhagat6 7:0564c6faf8aa 783 }
kbhagat6 7:0564c6faf8aa 784 /* Find the last value in U/D/L/R above the threshold */
kbhagat6 7:0564c6faf8aa 785 for( i = gesture_data_.total_gestures - 1; i >= 0; i-- ) {
kbhagat6 7:0564c6faf8aa 786 /* #if DEBUG
kbhagat6 7:0564c6faf8aa 787 Serial.print(F("Finding last: "));
kbhagat6 7:0564c6faf8aa 788 Serial.print(F("U:"));
kbhagat6 7:0564c6faf8aa 789 Serial.print(gesture_data_.u_data[i]);
kbhagat6 7:0564c6faf8aa 790 Serial.print(F(" D:"));
kbhagat6 7:0564c6faf8aa 791 Serial.print(gesture_data_.d_data[i]);
kbhagat6 7:0564c6faf8aa 792 Serial.print(F(" L:"));
kbhagat6 7:0564c6faf8aa 793 Serial.print(gesture_data_.l_data[i]);
kbhagat6 7:0564c6faf8aa 794 Serial.print(F(" R:"));
kbhagat6 7:0564c6faf8aa 795 Serial.println(gesture_data_.r_data[i]);
kbhagat6 7:0564c6faf8aa 796 #endif */
kbhagat6 7:0564c6faf8aa 797 if( (gesture_data_.u_data[i] > GESTURE_THRESHOLD_OUT) &&
kbhagat6 7:0564c6faf8aa 798 (gesture_data_.d_data[i] > GESTURE_THRESHOLD_OUT) &&
kbhagat6 7:0564c6faf8aa 799 (gesture_data_.l_data[i] > GESTURE_THRESHOLD_OUT) &&
kbhagat6 7:0564c6faf8aa 800 (gesture_data_.r_data[i] > GESTURE_THRESHOLD_OUT) ) {
kbhagat6 7:0564c6faf8aa 801
kbhagat6 7:0564c6faf8aa 802 u_last = gesture_data_.u_data[i];
kbhagat6 7:0564c6faf8aa 803 d_last = gesture_data_.d_data[i];
kbhagat6 7:0564c6faf8aa 804 l_last = gesture_data_.l_data[i];
kbhagat6 7:0564c6faf8aa 805 r_last = gesture_data_.r_data[i];
kbhagat6 7:0564c6faf8aa 806 break;
kbhagat6 7:0564c6faf8aa 807 }
kbhagat6 7:0564c6faf8aa 808 }
kbhagat6 7:0564c6faf8aa 809 }
kbhagat6 7:0564c6faf8aa 810
kbhagat6 7:0564c6faf8aa 811 /* Calculate the first vs. last ratio of up/down and left/right */
kbhagat6 7:0564c6faf8aa 812 ud_ratio_first = ((u_first - d_first) * 100) / (u_first + d_first);
kbhagat6 7:0564c6faf8aa 813 lr_ratio_first = ((l_first - r_first) * 100) / (l_first + r_first);
kbhagat6 7:0564c6faf8aa 814 ud_ratio_last = ((u_last - d_last) * 100) / (u_last + d_last);
kbhagat6 7:0564c6faf8aa 815 lr_ratio_last = ((l_last - r_last) * 100) / (l_last + r_last);
kbhagat6 7:0564c6faf8aa 816
kbhagat6 7:0564c6faf8aa 817 /* #if DEBUG
kbhagat6 7:0564c6faf8aa 818 Serial.print(F("Last Values: "));
kbhagat6 7:0564c6faf8aa 819 Serial.print(F("U:"));
kbhagat6 7:0564c6faf8aa 820 Serial.print(u_last);
kbhagat6 7:0564c6faf8aa 821 Serial.print(F(" D:"));
kbhagat6 7:0564c6faf8aa 822 Serial.print(d_last);
kbhagat6 7:0564c6faf8aa 823 Serial.print(F(" L:"));
kbhagat6 7:0564c6faf8aa 824 Serial.print(l_last);
kbhagat6 7:0564c6faf8aa 825 Serial.print(F(" R:"));
kbhagat6 7:0564c6faf8aa 826 Serial.println(r_last);
kbhagat6 7:0564c6faf8aa 827
kbhagat6 7:0564c6faf8aa 828 Serial.print(F("Ratios: "));
kbhagat6 7:0564c6faf8aa 829 Serial.print(F("UD Fi: "));
kbhagat6 7:0564c6faf8aa 830 Serial.print(ud_ratio_first);
kbhagat6 7:0564c6faf8aa 831 Serial.print(F(" UD La: "));
kbhagat6 7:0564c6faf8aa 832 Serial.print(ud_ratio_last);
kbhagat6 7:0564c6faf8aa 833 Serial.print(F(" LR Fi: "));
kbhagat6 7:0564c6faf8aa 834 Serial.print(lr_ratio_first);
kbhagat6 7:0564c6faf8aa 835 Serial.print(F(" LR La: "));
kbhagat6 7:0564c6faf8aa 836 Serial.println(lr_ratio_last);
kbhagat6 7:0564c6faf8aa 837 #endif */
kbhagat6 7:0564c6faf8aa 838
kbhagat6 7:0564c6faf8aa 839 /* Determine the difference between the first and last ratios */
kbhagat6 7:0564c6faf8aa 840 ud_delta = ud_ratio_last - ud_ratio_first;
kbhagat6 7:0564c6faf8aa 841 lr_delta = lr_ratio_last - lr_ratio_first;
kbhagat6 7:0564c6faf8aa 842
kbhagat6 7:0564c6faf8aa 843 /* #if DEBUG
kbhagat6 7:0564c6faf8aa 844 Serial.print("Deltas: ");
kbhagat6 7:0564c6faf8aa 845 Serial.print("UD: ");
kbhagat6 7:0564c6faf8aa 846 Serial.print(ud_delta);
kbhagat6 7:0564c6faf8aa 847 Serial.print(" LR: ");
kbhagat6 7:0564c6faf8aa 848 Serial.println(lr_delta);
kbhagat6 7:0564c6faf8aa 849 #endif */
kbhagat6 7:0564c6faf8aa 850
kbhagat6 7:0564c6faf8aa 851 /* Accumulate the UD and LR delta values */
kbhagat6 7:0564c6faf8aa 852 gesture_ud_delta_ += ud_delta;
kbhagat6 7:0564c6faf8aa 853 gesture_lr_delta_ += lr_delta;
kbhagat6 7:0564c6faf8aa 854
kbhagat6 7:0564c6faf8aa 855 /* #if DEBUG
kbhagat6 7:0564c6faf8aa 856 Serial.print("Accumulations: ");
kbhagat6 7:0564c6faf8aa 857 Serial.print("UD: ");
kbhagat6 7:0564c6faf8aa 858 Serial.print(gesture_ud_delta_);
kbhagat6 7:0564c6faf8aa 859 Serial.print(" LR: ");
kbhagat6 7:0564c6faf8aa 860 Serial.println(gesture_lr_delta_);
kbhagat6 7:0564c6faf8aa 861 #endif */
kbhagat6 7:0564c6faf8aa 862
kbhagat6 7:0564c6faf8aa 863 /* Determine U/D gesture */
kbhagat6 7:0564c6faf8aa 864 if( gesture_ud_delta_ >= GESTURE_SENSITIVITY_1 ) {
kbhagat6 7:0564c6faf8aa 865 gesture_ud_count_ = 1;
kbhagat6 7:0564c6faf8aa 866 } else if( gesture_ud_delta_ <= -GESTURE_SENSITIVITY_1 ) {
kbhagat6 7:0564c6faf8aa 867 gesture_ud_count_ = -1;
kbhagat6 7:0564c6faf8aa 868 } else {
kbhagat6 7:0564c6faf8aa 869 gesture_ud_count_ = 0;
kbhagat6 7:0564c6faf8aa 870 }
kbhagat6 7:0564c6faf8aa 871
kbhagat6 7:0564c6faf8aa 872 /* Determine L/R gesture */
kbhagat6 7:0564c6faf8aa 873 if( gesture_lr_delta_ >= GESTURE_SENSITIVITY_1 ) {
kbhagat6 7:0564c6faf8aa 874 gesture_lr_count_ = 1;
kbhagat6 7:0564c6faf8aa 875 } else if( gesture_lr_delta_ <= -GESTURE_SENSITIVITY_1 ) {
kbhagat6 7:0564c6faf8aa 876 gesture_lr_count_ = -1;
kbhagat6 7:0564c6faf8aa 877 } else {
kbhagat6 7:0564c6faf8aa 878 gesture_lr_count_ = 0;
kbhagat6 7:0564c6faf8aa 879 }
kbhagat6 7:0564c6faf8aa 880
kbhagat6 7:0564c6faf8aa 881 /* Determine Near/Far gesture */
kbhagat6 7:0564c6faf8aa 882 if( (gesture_ud_count_ == 0) && (gesture_lr_count_ == 0) ) {
kbhagat6 7:0564c6faf8aa 883 if( (abs(ud_delta) < GESTURE_SENSITIVITY_2) && \
kbhagat6 7:0564c6faf8aa 884 (abs(lr_delta) < GESTURE_SENSITIVITY_2) ) {
kbhagat6 7:0564c6faf8aa 885
kbhagat6 7:0564c6faf8aa 886 if( (ud_delta == 0) && (lr_delta == 0) ) {
kbhagat6 7:0564c6faf8aa 887 gesture_near_count_++;
kbhagat6 7:0564c6faf8aa 888 } else if( (ud_delta != 0) || (lr_delta != 0) ) {
kbhagat6 7:0564c6faf8aa 889 gesture_far_count_++;
kbhagat6 7:0564c6faf8aa 890 }
kbhagat6 7:0564c6faf8aa 891
kbhagat6 7:0564c6faf8aa 892 if( (gesture_near_count_ >= 10) && (gesture_far_count_ >= 2) ) {
kbhagat6 7:0564c6faf8aa 893 if( (ud_delta == 0) && (lr_delta == 0) ) {
kbhagat6 7:0564c6faf8aa 894 gesture_state_ = NEAR_STATE;
kbhagat6 7:0564c6faf8aa 895 } else if( (ud_delta != 0) && (lr_delta != 0) ) {
kbhagat6 7:0564c6faf8aa 896 gesture_state_ = FAR_STATE;
kbhagat6 7:0564c6faf8aa 897 }
kbhagat6 7:0564c6faf8aa 898 return true;
kbhagat6 7:0564c6faf8aa 899 }
kbhagat6 7:0564c6faf8aa 900 }
kbhagat6 7:0564c6faf8aa 901 } else {
kbhagat6 7:0564c6faf8aa 902 if( (abs(ud_delta) < GESTURE_SENSITIVITY_2) && \
kbhagat6 7:0564c6faf8aa 903 (abs(lr_delta) < GESTURE_SENSITIVITY_2) ) {
kbhagat6 7:0564c6faf8aa 904
kbhagat6 7:0564c6faf8aa 905 if( (ud_delta == 0) && (lr_delta == 0) ) {
kbhagat6 7:0564c6faf8aa 906 gesture_near_count_++;
kbhagat6 7:0564c6faf8aa 907 }
kbhagat6 7:0564c6faf8aa 908
kbhagat6 7:0564c6faf8aa 909 if( gesture_near_count_ >= 10 ) {
kbhagat6 7:0564c6faf8aa 910 gesture_ud_count_ = 0;
kbhagat6 7:0564c6faf8aa 911 gesture_lr_count_ = 0;
kbhagat6 7:0564c6faf8aa 912 gesture_ud_delta_ = 0;
kbhagat6 7:0564c6faf8aa 913 gesture_lr_delta_ = 0;
kbhagat6 7:0564c6faf8aa 914 }
kbhagat6 7:0564c6faf8aa 915 }
kbhagat6 7:0564c6faf8aa 916 }
kbhagat6 7:0564c6faf8aa 917
kbhagat6 7:0564c6faf8aa 918 /* #if DEBUG
kbhagat6 7:0564c6faf8aa 919 Serial.print("UD_CT: ");
kbhagat6 7:0564c6faf8aa 920 Serial.print(gesture_ud_count_);
kbhagat6 7:0564c6faf8aa 921 Serial.print(" LR_CT: ");
kbhagat6 7:0564c6faf8aa 922 Serial.print(gesture_lr_count_);
kbhagat6 7:0564c6faf8aa 923 Serial.print(" NEAR_CT: ");
kbhagat6 7:0564c6faf8aa 924 Serial.print(gesture_near_count_);
kbhagat6 7:0564c6faf8aa 925 Serial.print(" FAR_CT: ");
kbhagat6 7:0564c6faf8aa 926 Serial.println(gesture_far_count_);
kbhagat6 7:0564c6faf8aa 927 Serial.println("----------");
kbhagat6 7:0564c6faf8aa 928 #endif */
kbhagat6 7:0564c6faf8aa 929
kbhagat6 7:0564c6faf8aa 930 return false;
kbhagat6 7:0564c6faf8aa 931 }
kbhagat6 7:0564c6faf8aa 932
kbhagat6 7:0564c6faf8aa 933 /**
kbhagat6 7:0564c6faf8aa 934 * @brief Determines swipe direction or near/far state
kbhagat6 7:0564c6faf8aa 935 *
kbhagat6 7:0564c6faf8aa 936 * @return True if near/far event. False otherwise.
kbhagat6 7:0564c6faf8aa 937 */
kbhagat6 8:6fa15d4e31fb 938 bool glibr::decodeGesture()
kbhagat6 7:0564c6faf8aa 939 {
kbhagat6 7:0564c6faf8aa 940 /* Return if near or far event is detected */
kbhagat6 7:0564c6faf8aa 941 if( gesture_state_ == NEAR_STATE ) {
kbhagat6 7:0564c6faf8aa 942 gesture_motion_ = DIR_NEAR;
kbhagat6 7:0564c6faf8aa 943 return true;
kbhagat6 7:0564c6faf8aa 944 } else if ( gesture_state_ == FAR_STATE ) {
kbhagat6 7:0564c6faf8aa 945 gesture_motion_ = DIR_FAR;
kbhagat6 7:0564c6faf8aa 946 return true;
kbhagat6 7:0564c6faf8aa 947 }
kbhagat6 7:0564c6faf8aa 948
kbhagat6 7:0564c6faf8aa 949 /* Determine swipe direction */
kbhagat6 7:0564c6faf8aa 950 if( (gesture_ud_count_ == -1) && (gesture_lr_count_ == 0) ) {
kbhagat6 7:0564c6faf8aa 951 gesture_motion_ = DIR_UP;
kbhagat6 7:0564c6faf8aa 952 } else if( (gesture_ud_count_ == 1) && (gesture_lr_count_ == 0) ) {
kbhagat6 7:0564c6faf8aa 953 gesture_motion_ = DIR_DOWN;
kbhagat6 7:0564c6faf8aa 954 } else if( (gesture_ud_count_ == 0) && (gesture_lr_count_ == 1) ) {
kbhagat6 7:0564c6faf8aa 955 gesture_motion_ = DIR_RIGHT;
kbhagat6 7:0564c6faf8aa 956 } else if( (gesture_ud_count_ == 0) && (gesture_lr_count_ == -1) ) {
kbhagat6 7:0564c6faf8aa 957 gesture_motion_ = DIR_LEFT;
kbhagat6 7:0564c6faf8aa 958 } else if( (gesture_ud_count_ == -1) && (gesture_lr_count_ == 1) ) {
kbhagat6 7:0564c6faf8aa 959 if( abs(gesture_ud_delta_) > abs(gesture_lr_delta_) ) {
kbhagat6 7:0564c6faf8aa 960 gesture_motion_ = DIR_UP;
kbhagat6 7:0564c6faf8aa 961 } else {
kbhagat6 7:0564c6faf8aa 962 gesture_motion_ = DIR_RIGHT;
kbhagat6 7:0564c6faf8aa 963 }
kbhagat6 7:0564c6faf8aa 964 } else if( (gesture_ud_count_ == 1) && (gesture_lr_count_ == -1) ) {
kbhagat6 7:0564c6faf8aa 965 if( abs(gesture_ud_delta_) > abs(gesture_lr_delta_) ) {
kbhagat6 7:0564c6faf8aa 966 gesture_motion_ = DIR_DOWN;
kbhagat6 7:0564c6faf8aa 967 } else {
kbhagat6 7:0564c6faf8aa 968 gesture_motion_ = DIR_LEFT;
kbhagat6 7:0564c6faf8aa 969 }
kbhagat6 7:0564c6faf8aa 970 } else if( (gesture_ud_count_ == -1) && (gesture_lr_count_ == -1) ) {
kbhagat6 7:0564c6faf8aa 971 if( abs(gesture_ud_delta_) > abs(gesture_lr_delta_) ) {
kbhagat6 7:0564c6faf8aa 972 gesture_motion_ = DIR_UP;
kbhagat6 7:0564c6faf8aa 973 } else {
kbhagat6 7:0564c6faf8aa 974 gesture_motion_ = DIR_LEFT;
kbhagat6 7:0564c6faf8aa 975 }
kbhagat6 7:0564c6faf8aa 976 } else if( (gesture_ud_count_ == 1) && (gesture_lr_count_ == 1) ) {
kbhagat6 7:0564c6faf8aa 977 if( abs(gesture_ud_delta_) > abs(gesture_lr_delta_) ) {
kbhagat6 7:0564c6faf8aa 978 gesture_motion_ = DIR_DOWN;
kbhagat6 7:0564c6faf8aa 979 } else {
kbhagat6 7:0564c6faf8aa 980 gesture_motion_ = DIR_RIGHT;
kbhagat6 7:0564c6faf8aa 981 }
kbhagat6 7:0564c6faf8aa 982 } else {
kbhagat6 7:0564c6faf8aa 983 return false;
kbhagat6 7:0564c6faf8aa 984 }
kbhagat6 7:0564c6faf8aa 985
kbhagat6 7:0564c6faf8aa 986 return true;
kbhagat6 7:0564c6faf8aa 987 }
kbhagat6 7:0564c6faf8aa 988
kbhagat6 7:0564c6faf8aa 989 /*******************************************************************************
kbhagat6 7:0564c6faf8aa 990 * Getters and setters for register values
kbhagat6 7:0564c6faf8aa 991 ******************************************************************************/
kbhagat6 7:0564c6faf8aa 992
kbhagat6 7:0564c6faf8aa 993 /**
kbhagat6 7:0564c6faf8aa 994 * @brief Returns the lower threshold for proximity detection
kbhagat6 7:0564c6faf8aa 995 *
kbhagat6 7:0564c6faf8aa 996 * @return lower threshold
kbhagat6 7:0564c6faf8aa 997 */
kbhagat6 7:0564c6faf8aa 998
kbhagat6 7:0564c6faf8aa 999 uint8_t glibr::getProxIntLowThresh()
kbhagat6 7:0564c6faf8aa 1000 {
kbhagat6 7:0564c6faf8aa 1001 uint8_t val;
kbhagat6 7:0564c6faf8aa 1002
kbhagat6 7:0564c6faf8aa 1003 /* Read value from PILT register */
kbhagat6 7:0564c6faf8aa 1004 /* if( !wireReadDataByte(APDS9960_PILT, val) ) {
kbhagat6 7:0564c6faf8aa 1005 val = 0;
kbhagat6 7:0564c6faf8aa 1006 }*/
kbhagat6 7:0564c6faf8aa 1007 val=I2CreadByte(APDS9960_I2C_ADDR,APDS9960_PILT);
kbhagat6 7:0564c6faf8aa 1008 if(val==ERROR){
kbhagat6 7:0564c6faf8aa 1009 val=0;
kbhagat6 7:0564c6faf8aa 1010 }
kbhagat6 7:0564c6faf8aa 1011
kbhagat6 7:0564c6faf8aa 1012 return val;
kbhagat6 7:0564c6faf8aa 1013 }
kbhagat6 7:0564c6faf8aa 1014
kbhagat6 9:286d00d9db80 1015 /**
kbhagat6 9:286d00d9db80 1016 * @brief Sets the lower threshold for proximity detection
kbhagat6 9:286d00d9db80 1017 *
kbhagat6 9:286d00d9db80 1018 * @param[in] threshold the lower proximity threshold
kbhagat6 9:286d00d9db80 1019 * @return True if operation successful. False otherwise.
kbhagat6 9:286d00d9db80 1020 */
kbhagat6 7:0564c6faf8aa 1021 bool glibr::setProxIntLowThresh(uint8_t threshold)
kbhagat6 7:0564c6faf8aa 1022 {
kbhagat6 7:0564c6faf8aa 1023 if( I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_PILT, threshold) ) {
kbhagat6 7:0564c6faf8aa 1024 return false;
kbhagat6 7:0564c6faf8aa 1025 }
kbhagat6 7:0564c6faf8aa 1026
kbhagat6 7:0564c6faf8aa 1027 return true;
kbhagat6 7:0564c6faf8aa 1028 }
kbhagat6 7:0564c6faf8aa 1029
kbhagat6 9:286d00d9db80 1030 /**
kbhagat6 9:286d00d9db80 1031 * @brief Returns the high threshold for proximity detection
kbhagat6 9:286d00d9db80 1032 *
kbhagat6 9:286d00d9db80 1033 * @return high threshold
kbhagat6 9:286d00d9db80 1034 */
kbhagat6 9:286d00d9db80 1035 uint8_t glibr::getProxIntHighThresh()
kbhagat6 9:286d00d9db80 1036 {
kbhagat6 9:286d00d9db80 1037 uint8_t val;
kbhagat6 9:286d00d9db80 1038
kbhagat6 9:286d00d9db80 1039 /* Read value from PIHT register */
kbhagat6 9:286d00d9db80 1040 val=I2CreadByte(APDS9960_I2C_ADDR,APDS9960_PILT);
kbhagat6 9:286d00d9db80 1041 if( val==ERROR ) {
kbhagat6 9:286d00d9db80 1042 val = 0;
kbhagat6 9:286d00d9db80 1043 }
kbhagat6 9:286d00d9db80 1044
kbhagat6 9:286d00d9db80 1045 return val;
kbhagat6 9:286d00d9db80 1046 }
kbhagat6 9:286d00d9db80 1047
kbhagat6 9:286d00d9db80 1048 /**
kbhagat6 9:286d00d9db80 1049 * @brief Sets the high threshold for proximity detection
kbhagat6 9:286d00d9db80 1050 *
kbhagat6 9:286d00d9db80 1051 * @param[in] threshold the high proximity threshold
kbhagat6 9:286d00d9db80 1052 * @return True if operation successful. False otherwise.
kbhagat6 9:286d00d9db80 1053 */
kbhagat6 7:0564c6faf8aa 1054 bool glibr::setProxIntHighThresh(uint8_t threshold)
kbhagat6 7:0564c6faf8aa 1055 {
kbhagat6 7:0564c6faf8aa 1056
kbhagat6 7:0564c6faf8aa 1057 if( I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_PIHT, threshold) ) {
kbhagat6 7:0564c6faf8aa 1058 return false;
kbhagat6 7:0564c6faf8aa 1059 }
kbhagat6 7:0564c6faf8aa 1060
kbhagat6 7:0564c6faf8aa 1061 return true;
kbhagat6 7:0564c6faf8aa 1062 }
kbhagat6 7:0564c6faf8aa 1063
kbhagat6 9:286d00d9db80 1064 /**
kbhagat6 9:286d00d9db80 1065 * @brief Returns LED drive strength for proximity and ALS
kbhagat6 9:286d00d9db80 1066 *
kbhagat6 9:286d00d9db80 1067 * Value LED Current
kbhagat6 9:286d00d9db80 1068 * 0 100 mA
kbhagat6 9:286d00d9db80 1069 * 1 50 mA
kbhagat6 9:286d00d9db80 1070 * 2 25 mA
kbhagat6 9:286d00d9db80 1071 * 3 12.5 mA
kbhagat6 9:286d00d9db80 1072 *
kbhagat6 9:286d00d9db80 1073 * @return the value of the LED drive strength. 0xFF on failure.
kbhagat6 9:286d00d9db80 1074 */
kbhagat6 9:286d00d9db80 1075 uint8_t glibr::getLEDDrive()
kbhagat6 9:286d00d9db80 1076 {
kbhagat6 9:286d00d9db80 1077 uint8_t val;
kbhagat6 9:286d00d9db80 1078
kbhagat6 9:286d00d9db80 1079 /* Read value from CONTROL register */
kbhagat6 9:286d00d9db80 1080 val=I2CreadByte(APDS9960_I2C_ADDR,APDS9960_CONTROL);
kbhagat6 9:286d00d9db80 1081 if( val == ERROR ){//!wireReadDataByte(APDS9960_CONTROL, val) ) {
kbhagat6 9:286d00d9db80 1082 return ERROR;
kbhagat6 9:286d00d9db80 1083 }
kbhagat6 9:286d00d9db80 1084
kbhagat6 9:286d00d9db80 1085 /* Shift and mask out LED drive bits */
kbhagat6 9:286d00d9db80 1086 val = (val >> 6) & 0x03;//0b00000011;
kbhagat6 9:286d00d9db80 1087
kbhagat6 9:286d00d9db80 1088 return val;
kbhagat6 9:286d00d9db80 1089 }
kbhagat6 7:0564c6faf8aa 1090
kbhagat6 9:286d00d9db80 1091 /**
kbhagat6 9:286d00d9db80 1092 * @brief Sets the LED drive strength for proximity and ALS
kbhagat6 9:286d00d9db80 1093 *
kbhagat6 9:286d00d9db80 1094 * Value LED Current
kbhagat6 9:286d00d9db80 1095 * 0 100 mA
kbhagat6 9:286d00d9db80 1096 * 1 50 mA
kbhagat6 9:286d00d9db80 1097 * 2 25 mA
kbhagat6 9:286d00d9db80 1098 * 3 12.5 mA
kbhagat6 9:286d00d9db80 1099 *
kbhagat6 9:286d00d9db80 1100 * @param[in] drive the value (0-3) for the LED drive strength
kbhagat6 9:286d00d9db80 1101 * @return True if operation successful. False otherwise.
kbhagat6 9:286d00d9db80 1102 */
kbhagat6 7:0564c6faf8aa 1103
kbhagat6 7:0564c6faf8aa 1104 bool glibr::setLEDDrive(uint8_t drive)
kbhagat6 7:0564c6faf8aa 1105 {
kbhagat6 7:0564c6faf8aa 1106 uint8_t val;
kbhagat6 7:0564c6faf8aa 1107
kbhagat6 7:0564c6faf8aa 1108 /* Read value from CONTROL register */
kbhagat6 7:0564c6faf8aa 1109 val=I2CreadByte(APDS9960_I2C_ADDR,APDS9960_CONTROL);
kbhagat6 7:0564c6faf8aa 1110 if(val==ERROR){
kbhagat6 7:0564c6faf8aa 1111 return false;
kbhagat6 7:0564c6faf8aa 1112 }
kbhagat6 7:0564c6faf8aa 1113 /* Set bits in register to given value */
kbhagat6 9:286d00d9db80 1114 //drive &= 0b00000011
kbhagat6 7:0564c6faf8aa 1115 drive &= 0x03;
kbhagat6 7:0564c6faf8aa 1116 drive = drive << 6;
kbhagat6 7:0564c6faf8aa 1117 //val &= 0b00111111;
kbhagat6 7:0564c6faf8aa 1118 val &= 0x3F;
kbhagat6 7:0564c6faf8aa 1119 val |= drive;
kbhagat6 7:0564c6faf8aa 1120
kbhagat6 7:0564c6faf8aa 1121 /* Write register value back into CONTROL register */
kbhagat6 7:0564c6faf8aa 1122 if( I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_CONTROL, val) ) {
kbhagat6 7:0564c6faf8aa 1123 return false;
kbhagat6 7:0564c6faf8aa 1124 }
kbhagat6 7:0564c6faf8aa 1125
kbhagat6 7:0564c6faf8aa 1126 return true;
kbhagat6 7:0564c6faf8aa 1127 }
kbhagat6 7:0564c6faf8aa 1128
kbhagat6 9:286d00d9db80 1129 /**
kbhagat6 9:286d00d9db80 1130 * @brief Returns receiver gain for proximity detection
kbhagat6 9:286d00d9db80 1131 *
kbhagat6 9:286d00d9db80 1132 * Value Gain
kbhagat6 9:286d00d9db80 1133 * 0 1x
kbhagat6 9:286d00d9db80 1134 * 1 2x
kbhagat6 9:286d00d9db80 1135 * 2 4x
kbhagat6 9:286d00d9db80 1136 * 3 8x
kbhagat6 9:286d00d9db80 1137 *
kbhagat6 9:286d00d9db80 1138 * @return the value of the proximity gain. 0xFF on failure.
kbhagat6 9:286d00d9db80 1139 */
kbhagat6 9:286d00d9db80 1140 uint8_t glibr::getProximityGain()
kbhagat6 9:286d00d9db80 1141 {
kbhagat6 9:286d00d9db80 1142 uint8_t val;
kbhagat6 9:286d00d9db80 1143
kbhagat6 9:286d00d9db80 1144 /* Read value from CONTROL register */
kbhagat6 9:286d00d9db80 1145 val=I2CreadByte(APDS9960_I2C_ADDR,APDS9960_CONTROL);
kbhagat6 9:286d00d9db80 1146 if( val == ERROR){//!wireReadDataByte(APDS9960_CONTROL, val) ) {
kbhagat6 9:286d00d9db80 1147 return ERROR;
kbhagat6 9:286d00d9db80 1148 }
kbhagat6 9:286d00d9db80 1149
kbhagat6 9:286d00d9db80 1150 /* Shift and mask out PDRIVE bits */
kbhagat6 9:286d00d9db80 1151 val = (val >> 2) & 0x03;//0b00000011;
kbhagat6 9:286d00d9db80 1152
kbhagat6 9:286d00d9db80 1153 return val;
kbhagat6 9:286d00d9db80 1154 }
kbhagat6 6:687dff16904e 1155
kbhagat6 9:286d00d9db80 1156 /**
kbhagat6 9:286d00d9db80 1157 * @brief Sets the receiver gain for proximity detection
kbhagat6 9:286d00d9db80 1158 *
kbhagat6 9:286d00d9db80 1159 * Value Gain
kbhagat6 9:286d00d9db80 1160 * 0 1x
kbhagat6 9:286d00d9db80 1161 * 1 2x
kbhagat6 9:286d00d9db80 1162 * 2 4x
kbhagat6 9:286d00d9db80 1163 * 3 8x
kbhagat6 9:286d00d9db80 1164 *
kbhagat6 9:286d00d9db80 1165 * @param[in] drive the value (0-3) for the gain
kbhagat6 9:286d00d9db80 1166 * @return True if operation successful. False otherwise.
kbhagat6 9:286d00d9db80 1167 */
kbhagat6 0:437ae08befe3 1168 bool glibr::setProximityGain(uint8_t drive)
kbhagat6 0:437ae08befe3 1169 {
kbhagat6 0:437ae08befe3 1170 uint8_t val;
kbhagat6 0:437ae08befe3 1171
kbhagat6 0:437ae08befe3 1172 /* Read value from CONTROL register */
kbhagat6 1:c7215f5f9a72 1173
kbhagat6 5:3eb4f3091bd8 1174 val=I2CreadByte(APDS9960_I2C_ADDR,APDS9960_CONTROL);
kbhagat6 0:437ae08befe3 1175
kbhagat6 1:c7215f5f9a72 1176 if(val==ERROR){
kbhagat6 1:c7215f5f9a72 1177 return false;
kbhagat6 1:c7215f5f9a72 1178 }
kbhagat6 0:437ae08befe3 1179 /* Set bits in register to given value */
kbhagat6 1:c7215f5f9a72 1180 //drive &= 0b00000011;
kbhagat6 1:c7215f5f9a72 1181 drive &=0x03;
kbhagat6 0:437ae08befe3 1182 drive = drive << 2;
kbhagat6 9:286d00d9db80 1183 //val &= 0b11110011
kbhagat6 1:c7215f5f9a72 1184 val &= 0xF3;
kbhagat6 0:437ae08befe3 1185 val |= drive;
kbhagat6 0:437ae08befe3 1186
kbhagat6 0:437ae08befe3 1187 /* Write register value back into CONTROL register */
kbhagat6 1:c7215f5f9a72 1188 if( I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_CONTROL, val) ) {
kbhagat6 1:c7215f5f9a72 1189 return false;
kbhagat6 1:c7215f5f9a72 1190 }
kbhagat6 1:c7215f5f9a72 1191 return true;
kbhagat6 1:c7215f5f9a72 1192 }
kbhagat6 1:c7215f5f9a72 1193
kbhagat6 9:286d00d9db80 1194 /**
kbhagat6 9:286d00d9db80 1195 * @brief Returns receiver gain for the ambient light sensor (ALS)
kbhagat6 9:286d00d9db80 1196 *
kbhagat6 9:286d00d9db80 1197 * Value Gain
kbhagat6 9:286d00d9db80 1198 * 0 1x
kbhagat6 9:286d00d9db80 1199 * 1 4x
kbhagat6 9:286d00d9db80 1200 * 2 16x
kbhagat6 9:286d00d9db80 1201 * 3 64x
kbhagat6 9:286d00d9db80 1202 *
kbhagat6 9:286d00d9db80 1203 * @return the value of the ALS gain. 0xFF on failure.
kbhagat6 9:286d00d9db80 1204 */
kbhagat6 9:286d00d9db80 1205 uint8_t glibr::getAmbientLightGain()
kbhagat6 9:286d00d9db80 1206 {
kbhagat6 9:286d00d9db80 1207 uint8_t val;
kbhagat6 9:286d00d9db80 1208
kbhagat6 9:286d00d9db80 1209 /* Read value from CONTROL register */
kbhagat6 9:286d00d9db80 1210 val=I2CreadByte(APDS9960_I2C_ADDR,APDS9960_CONTROL);
kbhagat6 9:286d00d9db80 1211 if( val == ERROR){//!wireReadDataByte(APDS9960_CONTROL, val) ) {
kbhagat6 9:286d00d9db80 1212 return ERROR;
kbhagat6 9:286d00d9db80 1213 }
kbhagat6 9:286d00d9db80 1214
kbhagat6 9:286d00d9db80 1215 /* Shift and mask out ADRIVE bits */
kbhagat6 9:286d00d9db80 1216 val &= 0x03;//0b00000011;
kbhagat6 9:286d00d9db80 1217
kbhagat6 9:286d00d9db80 1218 return val;
kbhagat6 9:286d00d9db80 1219 }
kbhagat6 1:c7215f5f9a72 1220
kbhagat6 9:286d00d9db80 1221 /**
kbhagat6 9:286d00d9db80 1222 * @brief Sets the receiver gain for the ambient light sensor (ALS)
kbhagat6 9:286d00d9db80 1223 *
kbhagat6 9:286d00d9db80 1224 * Value Gain
kbhagat6 9:286d00d9db80 1225 * 0 1x
kbhagat6 9:286d00d9db80 1226 * 1 4x
kbhagat6 9:286d00d9db80 1227 * 2 16x
kbhagat6 9:286d00d9db80 1228 * 3 64x
kbhagat6 9:286d00d9db80 1229 *
kbhagat6 9:286d00d9db80 1230 * @param[in] drive the value (0-3) for the gain
kbhagat6 9:286d00d9db80 1231 * @return True if operation successful. False otherwise.
kbhagat6 9:286d00d9db80 1232 */
kbhagat6 1:c7215f5f9a72 1233 bool glibr::setAmbientLightGain(uint8_t drive){
kbhagat6 9:286d00d9db80 1234
kbhagat6 1:c7215f5f9a72 1235 uint8_t val;
kbhagat6 1:c7215f5f9a72 1236
kbhagat6 1:c7215f5f9a72 1237 /* Read value from CONTROL register */
kbhagat6 1:c7215f5f9a72 1238
kbhagat6 5:3eb4f3091bd8 1239 val=I2CreadByte(APDS9960_I2C_ADDR,APDS9960_CONTROL);
kbhagat6 1:c7215f5f9a72 1240
kbhagat6 1:c7215f5f9a72 1241 if(val==ERROR){
kbhagat6 1:c7215f5f9a72 1242 return false;
kbhagat6 1:c7215f5f9a72 1243 }
kbhagat6 1:c7215f5f9a72 1244 /* Set bits in register to given value */
kbhagat6 1:c7215f5f9a72 1245 //drive &= 0b00000011;
kbhagat6 1:c7215f5f9a72 1246 drive &=0x03;
kbhagat6 1:c7215f5f9a72 1247 drive = drive << 2;
kbhagat6 9:286d00d9db80 1248 //val &=0b11111100
kbhagat6 1:c7215f5f9a72 1249 val &= 0xF3;
kbhagat6 1:c7215f5f9a72 1250 val |= drive;
kbhagat6 1:c7215f5f9a72 1251
kbhagat6 1:c7215f5f9a72 1252 /* Write register value back into CONTROL register */
kbhagat6 1:c7215f5f9a72 1253 if( I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_CONTROL, val) ) {
kbhagat6 1:c7215f5f9a72 1254 return false;
kbhagat6 1:c7215f5f9a72 1255 }
kbhagat6 1:c7215f5f9a72 1256 return true;
kbhagat6 1:c7215f5f9a72 1257 }
kbhagat6 1:c7215f5f9a72 1258
kbhagat6 9:286d00d9db80 1259 /**
kbhagat6 9:286d00d9db80 1260 * @brief Get the current LED boost value
kbhagat6 9:286d00d9db80 1261 *
kbhagat6 9:286d00d9db80 1262 * Value Boost Current
kbhagat6 9:286d00d9db80 1263 * 0 100%
kbhagat6 9:286d00d9db80 1264 * 1 150%
kbhagat6 9:286d00d9db80 1265 * 2 200%
kbhagat6 9:286d00d9db80 1266 * 3 300%
kbhagat6 9:286d00d9db80 1267 *
kbhagat6 9:286d00d9db80 1268 * @return The LED boost value. 0xFF on failure.
kbhagat6 9:286d00d9db80 1269 */
kbhagat6 9:286d00d9db80 1270 uint8_t glibr::getLEDBoost() {
kbhagat6 9:286d00d9db80 1271 uint8_t val;
kbhagat6 9:286d00d9db80 1272
kbhagat6 9:286d00d9db80 1273 /* Read value from CONFIG2 register */
kbhagat6 9:286d00d9db80 1274 val = I2CreadByte(APDS9960_I2C_ADDR, APDS9960_CONFIG2);
kbhagat6 9:286d00d9db80 1275 if( val == ERROR){//!wireReadDataByte(APDS9960_CONFIG2, val) ) {
kbhagat6 9:286d00d9db80 1276 return ERROR;
kbhagat6 9:286d00d9db80 1277 }
kbhagat6 9:286d00d9db80 1278
kbhagat6 9:286d00d9db80 1279 /* Shift and mask out LED_BOOST bits */
kbhagat6 9:286d00d9db80 1280 val = (val >> 4) & 0x03;//0b00000011;
kbhagat6 9:286d00d9db80 1281
kbhagat6 9:286d00d9db80 1282 return val;
kbhagat6 9:286d00d9db80 1283 }
kbhagat6 1:c7215f5f9a72 1284
kbhagat6 9:286d00d9db80 1285 /**
kbhagat6 9:286d00d9db80 1286 * @brief Sets the LED current boost value
kbhagat6 9:286d00d9db80 1287 *
kbhagat6 9:286d00d9db80 1288 * Value Boost Current
kbhagat6 9:286d00d9db80 1289 * 0 100%
kbhagat6 9:286d00d9db80 1290 * 1 150%
kbhagat6 9:286d00d9db80 1291 * 2 200%
kbhagat6 9:286d00d9db80 1292 * 3 300%
kbhagat6 9:286d00d9db80 1293 *
kbhagat6 9:286d00d9db80 1294 * @param[in] drive the value (0-3) for current boost (100-300%)
kbhagat6 9:286d00d9db80 1295 * @return True if operation successful. False otherwise.
kbhagat6 9:286d00d9db80 1296 */
kbhagat6 9:286d00d9db80 1297 bool glibr::setLEDBoost(uint8_t boost)
kbhagat6 9:286d00d9db80 1298 {
kbhagat6 9:286d00d9db80 1299 uint8_t val;
kbhagat6 9:286d00d9db80 1300
kbhagat6 9:286d00d9db80 1301 /* Read value from CONFIG2 register */
kbhagat6 9:286d00d9db80 1302 val = I2CreadByte(APDS9960_I2C_ADDR, APDS9960_CONFIG2);
kbhagat6 9:286d00d9db80 1303 if( val == ERROR){//!wireReadDataByte(APDS9960_CONFIG2, val) ) {
kbhagat6 9:286d00d9db80 1304 return false;
kbhagat6 9:286d00d9db80 1305 }
kbhagat6 9:286d00d9db80 1306
kbhagat6 9:286d00d9db80 1307 /* Set bits in register to given value */
kbhagat6 9:286d00d9db80 1308 boost &= 0x03;//0b00000011;
kbhagat6 9:286d00d9db80 1309 boost = boost << 4;
kbhagat6 9:286d00d9db80 1310 val &= 0xCF;//0b11001111;
kbhagat6 9:286d00d9db80 1311 val |= boost;
kbhagat6 9:286d00d9db80 1312
kbhagat6 9:286d00d9db80 1313 /* Write register value back into CONFIG2 register */
kbhagat6 9:286d00d9db80 1314
kbhagat6 9:286d00d9db80 1315 if( I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_CONFIG2, val)){//!wireWriteDataByte(APDS9960_CONFIG2, val) ) {
kbhagat6 9:286d00d9db80 1316 return false;
kbhagat6 9:286d00d9db80 1317 }
kbhagat6 9:286d00d9db80 1318
kbhagat6 9:286d00d9db80 1319 return true;
kbhagat6 9:286d00d9db80 1320 }
kbhagat6 9:286d00d9db80 1321
kbhagat6 9:286d00d9db80 1322 /**
kbhagat6 9:286d00d9db80 1323 * @brief Gets proximity gain compensation enable
kbhagat6 9:286d00d9db80 1324 *
kbhagat6 9:286d00d9db80 1325 * @return 1 if compensation is enabled. 0 if not. 0xFF on error.
kbhagat6 9:286d00d9db80 1326 */
kbhagat6 9:286d00d9db80 1327 uint8_t glibr::getProxGainCompEnable()
kbhagat6 9:286d00d9db80 1328 {
kbhagat6 9:286d00d9db80 1329 uint8_t val;
kbhagat6 9:286d00d9db80 1330
kbhagat6 9:286d00d9db80 1331 /* Read value from CONFIG3 register */
kbhagat6 9:286d00d9db80 1332 val = I2CreadByte(APDS9960_I2C_ADDR, APDS9960_CONFIG3);
kbhagat6 9:286d00d9db80 1333 if( val == ERROR){//!wireReadDataByte(APDS9960_CONFIG3, val) ) {
kbhagat6 9:286d00d9db80 1334 return ERROR;
kbhagat6 9:286d00d9db80 1335 }
kbhagat6 9:286d00d9db80 1336
kbhagat6 9:286d00d9db80 1337 /* Shift and mask out PCMP bits */
kbhagat6 9:286d00d9db80 1338 val = (val >> 5) & 0x01;//0b00000001;
kbhagat6 9:286d00d9db80 1339
kbhagat6 9:286d00d9db80 1340 return val;
kbhagat6 9:286d00d9db80 1341 }
kbhagat6 9:286d00d9db80 1342
kbhagat6 9:286d00d9db80 1343 /**
kbhagat6 9:286d00d9db80 1344 * @brief Sets the proximity gain compensation enable
kbhagat6 9:286d00d9db80 1345 *
kbhagat6 9:286d00d9db80 1346 * @param[in] enable 1 to enable compensation. 0 to disable compensation.
kbhagat6 9:286d00d9db80 1347 * @return True if operation successful. False otherwise.
kbhagat6 9:286d00d9db80 1348 */
kbhagat6 9:286d00d9db80 1349 bool glibr::setProxGainCompEnable(uint8_t enable)
kbhagat6 9:286d00d9db80 1350 {
kbhagat6 9:286d00d9db80 1351 uint8_t val;
kbhagat6 9:286d00d9db80 1352
kbhagat6 9:286d00d9db80 1353 /* Read value from CONFIG3 register */
kbhagat6 9:286d00d9db80 1354 val = I2CreadByte(APDS9960_I2C_ADDR, APDS9960_CONFIG3);
kbhagat6 9:286d00d9db80 1355 if( val == ERROR){//!wireReadDataByte(APDS9960_CONFIG3, val) ) {
kbhagat6 9:286d00d9db80 1356 return false;
kbhagat6 9:286d00d9db80 1357 }
kbhagat6 9:286d00d9db80 1358
kbhagat6 9:286d00d9db80 1359 /* Set bits in register to given value */
kbhagat6 9:286d00d9db80 1360 enable &= 0x01;//0b00000001;
kbhagat6 9:286d00d9db80 1361 enable = enable << 5;
kbhagat6 9:286d00d9db80 1362 val &= 0xCF;//0b11011111;
kbhagat6 9:286d00d9db80 1363 val |= enable;
kbhagat6 9:286d00d9db80 1364
kbhagat6 9:286d00d9db80 1365 /* Write register value back into CONFIG3 register */
kbhagat6 9:286d00d9db80 1366
kbhagat6 9:286d00d9db80 1367 if( I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_CONFIG3, val)){//!wireWriteDataByte(APDS9960_CONFIG3, val) ) {
kbhagat6 9:286d00d9db80 1368 return false;
kbhagat6 9:286d00d9db80 1369 }
kbhagat6 9:286d00d9db80 1370
kbhagat6 9:286d00d9db80 1371 return true;
kbhagat6 9:286d00d9db80 1372 }
kbhagat6 9:286d00d9db80 1373
kbhagat6 9:286d00d9db80 1374 /**
kbhagat6 9:286d00d9db80 1375 * @brief Gets the current mask for enabled/disabled proximity photodiodes
kbhagat6 9:286d00d9db80 1376 *
kbhagat6 9:286d00d9db80 1377 * 1 = disabled, 0 = enabled
kbhagat6 9:286d00d9db80 1378 * Bit Photodiode
kbhagat6 9:286d00d9db80 1379 * 3 UP
kbhagat6 9:286d00d9db80 1380 * 2 DOWN
kbhagat6 9:286d00d9db80 1381 * 1 LEFT
kbhagat6 9:286d00d9db80 1382 * 0 RIGHT
kbhagat6 9:286d00d9db80 1383 *
kbhagat6 9:286d00d9db80 1384 * @return Current proximity mask for photodiodes. 0xFF on error.
kbhagat6 9:286d00d9db80 1385 */
kbhagat6 9:286d00d9db80 1386 uint8_t glibr::getProxPhotoMask()
kbhagat6 9:286d00d9db80 1387 {
kbhagat6 9:286d00d9db80 1388 uint8_t val;
kbhagat6 9:286d00d9db80 1389
kbhagat6 9:286d00d9db80 1390 /* Read value from CONFIG3 register */
kbhagat6 9:286d00d9db80 1391 val = I2CreadByte(APDS9960_I2C_ADDR, APDS9960_CONFIG3);
kbhagat6 9:286d00d9db80 1392 if( val == ERROR){//!wireReadDataByte(APDS9960_CONFIG3, val) ) {
kbhagat6 9:286d00d9db80 1393 return ERROR;
kbhagat6 9:286d00d9db80 1394 }
kbhagat6 9:286d00d9db80 1395
kbhagat6 9:286d00d9db80 1396 /* Mask out photodiode enable mask bits */
kbhagat6 9:286d00d9db80 1397 val &= 0x0F;//0b00001111;
kbhagat6 9:286d00d9db80 1398
kbhagat6 9:286d00d9db80 1399 return val;
kbhagat6 9:286d00d9db80 1400 }
kbhagat6 9:286d00d9db80 1401
kbhagat6 9:286d00d9db80 1402 /**
kbhagat6 9:286d00d9db80 1403 * @brief Sets the mask for enabling/disabling proximity photodiodes
kbhagat6 9:286d00d9db80 1404 *
kbhagat6 9:286d00d9db80 1405 * 1 = disabled, 0 = enabled
kbhagat6 9:286d00d9db80 1406 * Bit Photodiode
kbhagat6 9:286d00d9db80 1407 * 3 UP
kbhagat6 9:286d00d9db80 1408 * 2 DOWN
kbhagat6 9:286d00d9db80 1409 * 1 LEFT
kbhagat6 9:286d00d9db80 1410 * 0 RIGHT
kbhagat6 9:286d00d9db80 1411 *
kbhagat6 9:286d00d9db80 1412 * @param[in] mask 4-bit mask value
kbhagat6 9:286d00d9db80 1413 * @return True if operation successful. False otherwise.
kbhagat6 9:286d00d9db80 1414 */
kbhagat6 9:286d00d9db80 1415 bool glibr::setProxPhotoMask(uint8_t mask)
kbhagat6 9:286d00d9db80 1416 {
kbhagat6 9:286d00d9db80 1417 uint8_t val;
kbhagat6 9:286d00d9db80 1418
kbhagat6 9:286d00d9db80 1419 /* Read value from CONFIG3 register */
kbhagat6 9:286d00d9db80 1420 val = I2CreadByte(APDS9960_I2C_ADDR, APDS9960_CONFIG3);
kbhagat6 9:286d00d9db80 1421 if( val == ERROR){//!wireReadDataByte(APDS9960_CONFIG3, val) ) {
kbhagat6 9:286d00d9db80 1422 return false;
kbhagat6 9:286d00d9db80 1423 }
kbhagat6 9:286d00d9db80 1424
kbhagat6 9:286d00d9db80 1425 /* Set bits in register to given value */
kbhagat6 9:286d00d9db80 1426 mask &= 0x0F;//0b00001111;
kbhagat6 9:286d00d9db80 1427 val &= 0xF0;//0b11110000;
kbhagat6 9:286d00d9db80 1428 val |= mask;
kbhagat6 9:286d00d9db80 1429
kbhagat6 9:286d00d9db80 1430 /* Write register value back into CONFIG3 register */
kbhagat6 9:286d00d9db80 1431 I2CwriteByte(APDS9960_I2C_ADDR, APDS9960_CONFIG3, val);
kbhagat6 9:286d00d9db80 1432 if( val == ERROR){//!wireWriteDataByte(APDS9960_CONFIG3, val) ) {
kbhagat6 9:286d00d9db80 1433 return false;
kbhagat6 9:286d00d9db80 1434 }
kbhagat6 9:286d00d9db80 1435
kbhagat6 9:286d00d9db80 1436 return true;
kbhagat6 9:286d00d9db80 1437 }
kbhagat6 9:286d00d9db80 1438
kbhagat6 9:286d00d9db80 1439 /**
kbhagat6 9:286d00d9db80 1440 * @brief Gets the entry proximity threshold for gesture sensing
kbhagat6 9:286d00d9db80 1441 *
kbhagat6 9:286d00d9db80 1442 * @return Current entry proximity threshold.
kbhagat6 9:286d00d9db80 1443 */
kbhagat6 9:286d00d9db80 1444 uint8_t glibr::getGestureEnterThresh()
kbhagat6 9:286d00d9db80 1445 {
kbhagat6 9:286d00d9db80 1446 uint8_t val;
kbhagat6 9:286d00d9db80 1447
kbhagat6 9:286d00d9db80 1448 /* Read value from GPENTH register */
kbhagat6 9:286d00d9db80 1449 val = I2CreadByte(APDS9960_I2C_ADDR, APDS9960_GPENTH);
kbhagat6 9:286d00d9db80 1450 if( val == ERROR){//!wireReadDataByte(APDS9960_GPENTH, val) ) {
kbhagat6 9:286d00d9db80 1451 val = 0;
kbhagat6 9:286d00d9db80 1452 }
kbhagat6 9:286d00d9db80 1453
kbhagat6 9:286d00d9db80 1454 return val;
kbhagat6 9:286d00d9db80 1455 }
kbhagat6 9:286d00d9db80 1456
kbhagat6 9:286d00d9db80 1457 /**
kbhagat6 9:286d00d9db80 1458 * @brief Sets the entry proximity threshold for gesture sensing
kbhagat6 9:286d00d9db80 1459 *
kbhagat6 9:286d00d9db80 1460 * @param[in] threshold proximity value needed to start gesture mode
kbhagat6 9:286d00d9db80 1461 * @return True if operation successful. False otherwise.
kbhagat6 9:286d00d9db80 1462 */
kbhagat6 9:286d00d9db80 1463 bool glibr::setGestureEnterThresh(uint8_t threshold)
kbhagat6 9:286d00d9db80 1464 {
kbhagat6 9:286d00d9db80 1465
kbhagat6 9:286d00d9db80 1466 if( I2CwriteByte(APDS9960_I2C_ADDR, APDS9960_GPENTH, threshold)){;//!wireWriteDataByte(APDS9960_GPENTH, threshold) ) {
kbhagat6 9:286d00d9db80 1467 return false;
kbhagat6 9:286d00d9db80 1468 }
kbhagat6 9:286d00d9db80 1469
kbhagat6 9:286d00d9db80 1470 return true;
kbhagat6 9:286d00d9db80 1471 }
kbhagat6 9:286d00d9db80 1472
kbhagat6 9:286d00d9db80 1473 /**
kbhagat6 9:286d00d9db80 1474 * @brief Gets the exit proximity threshold for gesture sensing
kbhagat6 9:286d00d9db80 1475 *
kbhagat6 9:286d00d9db80 1476 * @return Current exit proximity threshold.
kbhagat6 9:286d00d9db80 1477 */
kbhagat6 9:286d00d9db80 1478 uint8_t glibr::getGestureExitThresh()
kbhagat6 9:286d00d9db80 1479 {
kbhagat6 9:286d00d9db80 1480 uint8_t val;
kbhagat6 9:286d00d9db80 1481
kbhagat6 9:286d00d9db80 1482 /* Read value from GEXTH register */
kbhagat6 9:286d00d9db80 1483 val = I2CreadByte(APDS9960_I2C_ADDR, APDS9960_GEXTH);
kbhagat6 9:286d00d9db80 1484 if( val == ERROR){//!wireReadDataByte(APDS9960_GEXTH, val) ) {
kbhagat6 9:286d00d9db80 1485 val = 0;
kbhagat6 9:286d00d9db80 1486 }
kbhagat6 9:286d00d9db80 1487
kbhagat6 9:286d00d9db80 1488 return val;
kbhagat6 9:286d00d9db80 1489 }
kbhagat6 9:286d00d9db80 1490
kbhagat6 9:286d00d9db80 1491 /**
kbhagat6 9:286d00d9db80 1492 * @brief Sets the exit proximity threshold for gesture sensing
kbhagat6 9:286d00d9db80 1493 *
kbhagat6 9:286d00d9db80 1494 * @param[in] threshold proximity value needed to end gesture mode
kbhagat6 9:286d00d9db80 1495 * @return True if operation successful. False otherwise.
kbhagat6 9:286d00d9db80 1496 */
kbhagat6 9:286d00d9db80 1497 bool glibr::setGestureExitThresh(uint8_t threshold)
kbhagat6 9:286d00d9db80 1498 {
kbhagat6 9:286d00d9db80 1499 if( I2CwriteByte(APDS9960_I2C_ADDR, APDS9960_GEXTH, threshold)){//!wireWriteDataByte(APDS9960_GEXTH, threshold) ) {
kbhagat6 9:286d00d9db80 1500 return false;
kbhagat6 9:286d00d9db80 1501 }
kbhagat6 9:286d00d9db80 1502
kbhagat6 9:286d00d9db80 1503 return true;
kbhagat6 9:286d00d9db80 1504 }
kbhagat6 9:286d00d9db80 1505
kbhagat6 9:286d00d9db80 1506 /**
kbhagat6 9:286d00d9db80 1507 * @brief Gets the gain of the photodiode during gesture mode
kbhagat6 9:286d00d9db80 1508 *
kbhagat6 9:286d00d9db80 1509 * Value Gain
kbhagat6 9:286d00d9db80 1510 * 0 1x
kbhagat6 9:286d00d9db80 1511 * 1 2x
kbhagat6 9:286d00d9db80 1512 * 2 4x
kbhagat6 9:286d00d9db80 1513 * 3 8x
kbhagat6 9:286d00d9db80 1514 *
kbhagat6 9:286d00d9db80 1515 * @return the current photodiode gain. 0xFF on error.
kbhagat6 9:286d00d9db80 1516 */
kbhagat6 9:286d00d9db80 1517 uint8_t glibr::getGestureGain()
kbhagat6 9:286d00d9db80 1518 {
kbhagat6 9:286d00d9db80 1519 uint8_t val;
kbhagat6 9:286d00d9db80 1520
kbhagat6 9:286d00d9db80 1521 /* Read value from GCONF2 register */
kbhagat6 9:286d00d9db80 1522 val = I2CreadByte(APDS9960_I2C_ADDR, APDS9960_GCONF2);
kbhagat6 9:286d00d9db80 1523 if( val == ERROR){//!wireReadDataByte(APDS9960_GCONF2, val) ) {
kbhagat6 9:286d00d9db80 1524 return ERROR;
kbhagat6 9:286d00d9db80 1525 }
kbhagat6 9:286d00d9db80 1526
kbhagat6 9:286d00d9db80 1527 /* Shift and mask out GGAIN bits */
kbhagat6 9:286d00d9db80 1528 val = (val >> 5) & 0x03;//0b00000011;
kbhagat6 9:286d00d9db80 1529
kbhagat6 9:286d00d9db80 1530 return val;
kbhagat6 9:286d00d9db80 1531 }
kbhagat6 9:286d00d9db80 1532
kbhagat6 9:286d00d9db80 1533 /**
kbhagat6 9:286d00d9db80 1534 * @brief Sets the gain of the photodiode during gesture mode
kbhagat6 9:286d00d9db80 1535 *
kbhagat6 9:286d00d9db80 1536 * Value Gain
kbhagat6 9:286d00d9db80 1537 * 0 1x
kbhagat6 9:286d00d9db80 1538 * 1 2x
kbhagat6 9:286d00d9db80 1539 * 2 4x
kbhagat6 9:286d00d9db80 1540 * 3 8x
kbhagat6 9:286d00d9db80 1541 *
kbhagat6 9:286d00d9db80 1542 * @param[in] gain the value for the photodiode gain
kbhagat6 9:286d00d9db80 1543 * @return True if operation successful. False otherwise.
kbhagat6 9:286d00d9db80 1544 */
kbhagat6 9:286d00d9db80 1545 bool glibr::setGestureGain(uint8_t gain)
kbhagat6 9:286d00d9db80 1546 {
kbhagat6 9:286d00d9db80 1547 uint8_t val;
kbhagat6 9:286d00d9db80 1548
kbhagat6 9:286d00d9db80 1549 /* Read value from GCONF2 register */
kbhagat6 9:286d00d9db80 1550 val = I2CreadByte(APDS9960_I2C_ADDR, APDS9960_GCONF2);
kbhagat6 9:286d00d9db80 1551 if( val == ERROR){//!wireReadDataByte(APDS9960_GCONF2, val) ) {
kbhagat6 9:286d00d9db80 1552 return false;
kbhagat6 9:286d00d9db80 1553 }
kbhagat6 9:286d00d9db80 1554
kbhagat6 9:286d00d9db80 1555 /* Set bits in register to given value */
kbhagat6 9:286d00d9db80 1556 gain &= 0x03;//0b00000011;
kbhagat6 9:286d00d9db80 1557 gain = gain << 5;
kbhagat6 9:286d00d9db80 1558 val &= 0x9F;//0b10011111;
kbhagat6 9:286d00d9db80 1559 val |= gain;
kbhagat6 9:286d00d9db80 1560
kbhagat6 9:286d00d9db80 1561 /* Write register value back into GCONF2 register */
kbhagat6 9:286d00d9db80 1562 if( I2CwriteByte(APDS9960_I2C_ADDR, APDS9960_GCONF2, val)){//!wireWriteDataByte(APDS9960_GCONF2, val) ) {
kbhagat6 9:286d00d9db80 1563 return false;
kbhagat6 9:286d00d9db80 1564 }
kbhagat6 9:286d00d9db80 1565
kbhagat6 9:286d00d9db80 1566 return true;
kbhagat6 9:286d00d9db80 1567 }
kbhagat6 9:286d00d9db80 1568
kbhagat6 9:286d00d9db80 1569 /**
kbhagat6 9:286d00d9db80 1570 * @brief Gets the drive current of the LED during gesture mode
kbhagat6 9:286d00d9db80 1571 *
kbhagat6 9:286d00d9db80 1572 * Value LED Current
kbhagat6 9:286d00d9db80 1573 * 0 100 mA
kbhagat6 9:286d00d9db80 1574 * 1 50 mA
kbhagat6 9:286d00d9db80 1575 * 2 25 mA
kbhagat6 9:286d00d9db80 1576 * 3 12.5 mA
kbhagat6 9:286d00d9db80 1577 *
kbhagat6 9:286d00d9db80 1578 * @return the LED drive current value. 0xFF on error.
kbhagat6 9:286d00d9db80 1579 */
kbhagat6 9:286d00d9db80 1580 uint8_t glibr::getGestureLEDDrive()
kbhagat6 9:286d00d9db80 1581 {
kbhagat6 9:286d00d9db80 1582 uint8_t val;
kbhagat6 9:286d00d9db80 1583
kbhagat6 9:286d00d9db80 1584 /* Read value from GCONF2 register */
kbhagat6 9:286d00d9db80 1585 val = I2CreadByte(APDS9960_I2C_ADDR, APDS9960_GCONF2);
kbhagat6 9:286d00d9db80 1586 if( val == ERROR){//!wireReadDataByte(APDS9960_GCONF2, val) ) {
kbhagat6 9:286d00d9db80 1587 return ERROR;
kbhagat6 9:286d00d9db80 1588 }
kbhagat6 9:286d00d9db80 1589
kbhagat6 9:286d00d9db80 1590 /* Shift and mask out GLDRIVE bits */
kbhagat6 9:286d00d9db80 1591 val = (val >> 3) & 0x03;//0b00000011;
kbhagat6 9:286d00d9db80 1592
kbhagat6 9:286d00d9db80 1593 return val;
kbhagat6 9:286d00d9db80 1594 }
kbhagat6 9:286d00d9db80 1595
kbhagat6 9:286d00d9db80 1596 /**
kbhagat6 9:286d00d9db80 1597 * @brief Sets the LED drive current during gesture mode
kbhagat6 9:286d00d9db80 1598 *
kbhagat6 9:286d00d9db80 1599 * Value LED Current
kbhagat6 9:286d00d9db80 1600 * 0 100 mA
kbhagat6 9:286d00d9db80 1601 * 1 50 mA
kbhagat6 9:286d00d9db80 1602 * 2 25 mA
kbhagat6 9:286d00d9db80 1603 * 3 12.5 mA
kbhagat6 9:286d00d9db80 1604 *
kbhagat6 9:286d00d9db80 1605 * @param[in] drive the value for the LED drive current
kbhagat6 9:286d00d9db80 1606 * @return True if operation successful. False otherwise.
kbhagat6 9:286d00d9db80 1607 */
kbhagat6 9:286d00d9db80 1608 bool glibr::setGestureLEDDrive(uint8_t drive)
kbhagat6 9:286d00d9db80 1609 {
kbhagat6 9:286d00d9db80 1610 uint8_t val;
kbhagat6 9:286d00d9db80 1611
kbhagat6 9:286d00d9db80 1612 /* Read value from GCONF2 register */
kbhagat6 9:286d00d9db80 1613 val = I2CreadByte(APDS9960_I2C_ADDR, APDS9960_GCONF2);
kbhagat6 9:286d00d9db80 1614 if( val == ERROR){//!wireReadDataByte(APDS9960_GCONF2, val) ) {
kbhagat6 9:286d00d9db80 1615 return false;
kbhagat6 9:286d00d9db80 1616 }
kbhagat6 9:286d00d9db80 1617
kbhagat6 9:286d00d9db80 1618 /* Set bits in register to given value */
kbhagat6 9:286d00d9db80 1619 drive &= 0x03;//0b00000011;
kbhagat6 9:286d00d9db80 1620 drive = drive << 3;
kbhagat6 9:286d00d9db80 1621 val &= 0xE7;//0b11100111;
kbhagat6 9:286d00d9db80 1622 val |= drive;
kbhagat6 9:286d00d9db80 1623
kbhagat6 9:286d00d9db80 1624 /* Write register value back into GCONF2 register */
kbhagat6 9:286d00d9db80 1625 if( I2CwriteByte(APDS9960_I2C_ADDR, APDS9960_GCONF2, val)){//!wireWriteDataByte(APDS9960_GCONF2, val) ) {
kbhagat6 9:286d00d9db80 1626 return false;
kbhagat6 9:286d00d9db80 1627 }
kbhagat6 9:286d00d9db80 1628
kbhagat6 9:286d00d9db80 1629 return true;
kbhagat6 9:286d00d9db80 1630 }
kbhagat6 9:286d00d9db80 1631
kbhagat6 9:286d00d9db80 1632 /**
kbhagat6 9:286d00d9db80 1633 * @brief Gets the time in low power mode between gesture detections
kbhagat6 9:286d00d9db80 1634 *
kbhagat6 9:286d00d9db80 1635 * Value Wait time
kbhagat6 9:286d00d9db80 1636 * 0 0 ms
kbhagat6 9:286d00d9db80 1637 * 1 2.8 ms
kbhagat6 9:286d00d9db80 1638 * 2 5.6 ms
kbhagat6 9:286d00d9db80 1639 * 3 8.4 ms
kbhagat6 9:286d00d9db80 1640 * 4 14.0 ms
kbhagat6 9:286d00d9db80 1641 * 5 22.4 ms
kbhagat6 9:286d00d9db80 1642 * 6 30.8 ms
kbhagat6 9:286d00d9db80 1643 * 7 39.2 ms
kbhagat6 9:286d00d9db80 1644 *
kbhagat6 9:286d00d9db80 1645 * @return the current wait time between gestures. 0xFF on error.
kbhagat6 9:286d00d9db80 1646 */
kbhagat6 9:286d00d9db80 1647 uint8_t glibr::getGestureWaitTime()
kbhagat6 9:286d00d9db80 1648 {
kbhagat6 9:286d00d9db80 1649 uint8_t val;
kbhagat6 9:286d00d9db80 1650
kbhagat6 9:286d00d9db80 1651 /* Read value from GCONF2 register */
kbhagat6 9:286d00d9db80 1652 val = I2CreadByte(APDS9960_I2C_ADDR, APDS9960_GCONF2);
kbhagat6 9:286d00d9db80 1653 if( val == ERROR){//!wireReadDataByte(APDS9960_GCONF2, val) ) {
kbhagat6 9:286d00d9db80 1654 return ERROR;
kbhagat6 9:286d00d9db80 1655 }
kbhagat6 9:286d00d9db80 1656
kbhagat6 9:286d00d9db80 1657 /* Mask out GWTIME bits */
kbhagat6 9:286d00d9db80 1658 val &= 0x07;//0b00000111;
kbhagat6 9:286d00d9db80 1659
kbhagat6 9:286d00d9db80 1660 return val;
kbhagat6 9:286d00d9db80 1661 }
kbhagat6 9:286d00d9db80 1662
kbhagat6 9:286d00d9db80 1663 /*
kbhagat6 9:286d00d9db80 1664 *
kbhagat6 9:286d00d9db80 1665 *
kbhagat6 9:286d00d9db80 1666 *
kbhagat6 9:286d00d9db80 1667 *LEFT OFF HERE AT 3:47PM ON 3/6/15
kbhagat6 9:286d00d9db80 1668 *
kbhagat6 9:286d00d9db80 1669 *
kbhagat6 9:286d00d9db80 1670 *
kbhagat6 9:286d00d9db80 1671 *
kbhagat6 9:286d00d9db80 1672 */
kbhagat6 9:286d00d9db80 1673
kbhagat6 9:286d00d9db80 1674
kbhagat6 9:286d00d9db80 1675 /**
kbhagat6 9:286d00d9db80 1676 * @brief Sets the time in low power mode between gesture detections
kbhagat6 9:286d00d9db80 1677 *
kbhagat6 9:286d00d9db80 1678 * Value Wait time
kbhagat6 9:286d00d9db80 1679 * 0 0 ms
kbhagat6 9:286d00d9db80 1680 * 1 2.8 ms
kbhagat6 9:286d00d9db80 1681 * 2 5.6 ms
kbhagat6 9:286d00d9db80 1682 * 3 8.4 ms
kbhagat6 9:286d00d9db80 1683 * 4 14.0 ms
kbhagat6 9:286d00d9db80 1684 * 5 22.4 ms
kbhagat6 9:286d00d9db80 1685 * 6 30.8 ms
kbhagat6 9:286d00d9db80 1686 * 7 39.2 ms
kbhagat6 9:286d00d9db80 1687 *
kbhagat6 9:286d00d9db80 1688 * @param[in] the value for the wait time
kbhagat6 9:286d00d9db80 1689 * @return True if operation successful. False otherwise.
kbhagat6 9:286d00d9db80 1690 */
kbhagat6 9:286d00d9db80 1691 bool glibr::setGestureWaitTime(uint8_t time)
kbhagat6 9:286d00d9db80 1692 {
kbhagat6 9:286d00d9db80 1693 uint8_t val;
kbhagat6 9:286d00d9db80 1694
kbhagat6 9:286d00d9db80 1695 /* Read value from GCONF2 register */
kbhagat6 9:286d00d9db80 1696 val = I2CreadByte(APDS9960_I2C_ADDR, APDS9960_GCONF2);
kbhagat6 9:286d00d9db80 1697 if( val == ERROR){//!wireReadDataByte(APDS9960_GCONF2, val) ) {
kbhagat6 9:286d00d9db80 1698 return false;
kbhagat6 9:286d00d9db80 1699 }
kbhagat6 9:286d00d9db80 1700 /* if( !wireReadDataByte(APDS9960_GCONF2, val) ) {
kbhagat6 9:286d00d9db80 1701 return false;
kbhagat6 9:286d00d9db80 1702 } */
kbhagat6 9:286d00d9db80 1703
kbhagat6 9:286d00d9db80 1704 /* Set bits in register to given value */
kbhagat6 9:286d00d9db80 1705 time &= 0x07;//0b00000111;
kbhagat6 9:286d00d9db80 1706 val &= 0xF8;//0b11111000;
kbhagat6 9:286d00d9db80 1707 val |= time;
kbhagat6 9:286d00d9db80 1708
kbhagat6 9:286d00d9db80 1709 /* Write register value back into GCONF2 register */
kbhagat6 9:286d00d9db80 1710 if( I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_GCONF2,val)){//!wireWriteDataByte(APDS9960_GCONF2, val) ) {
kbhagat6 9:286d00d9db80 1711 return false;
kbhagat6 9:286d00d9db80 1712 }
kbhagat6 9:286d00d9db80 1713 /*if( !wireWriteDataByte(APDS9960_GCONF2, val) ) {
kbhagat6 9:286d00d9db80 1714 return false;
kbhagat6 9:286d00d9db80 1715 }*/
kbhagat6 9:286d00d9db80 1716 return true;
kbhagat6 9:286d00d9db80 1717 }
kbhagat6 9:286d00d9db80 1718
kbhagat6 9:286d00d9db80 1719 /**
kbhagat6 9:286d00d9db80 1720 * @brief Gets the low threshold for ambient light interrupts
kbhagat6 9:286d00d9db80 1721 *
kbhagat6 9:286d00d9db80 1722 * @param[out] threshold current low threshold stored on the APDS-9960
kbhagat6 9:286d00d9db80 1723 * @return True if operation successful. False otherwise.
kbhagat6 9:286d00d9db80 1724 */
kbhagat6 9:286d00d9db80 1725 bool glibr::getLightIntLowThreshold(uint16_t &threshold)
kbhagat6 9:286d00d9db80 1726 {
kbhagat6 9:286d00d9db80 1727 uint8_t val_byte;
kbhagat6 9:286d00d9db80 1728 threshold = 0;
kbhagat6 9:286d00d9db80 1729
kbhagat6 9:286d00d9db80 1730 /* Read value from ambient light low threshold, low byte register */
kbhagat6 9:286d00d9db80 1731 val_byte = I2CreadByte(APDS9960_I2C_ADDR, APDS9960_AILTL);
kbhagat6 9:286d00d9db80 1732 if( val_byte == ERROR){//!wireReadDataByte(APDS9960_AILTL, val_byte) ) {
kbhagat6 9:286d00d9db80 1733 return false;
kbhagat6 9:286d00d9db80 1734 }
kbhagat6 9:286d00d9db80 1735 threshold = val_byte;
kbhagat6 9:286d00d9db80 1736
kbhagat6 9:286d00d9db80 1737 /* Read value from ambient light low threshold, high byte register */
kbhagat6 9:286d00d9db80 1738 val_byte = I2CreadByte(APDS9960_I2C_ADDR, APDS9960_AILTH);
kbhagat6 9:286d00d9db80 1739 if( val_byte == ERROR){//!wireReadDataByte(APDS9960_AILTH, val_byte) ) {
kbhagat6 9:286d00d9db80 1740 return false;
kbhagat6 9:286d00d9db80 1741 }
kbhagat6 9:286d00d9db80 1742 threshold = threshold + ((uint16_t)val_byte << 8);
kbhagat6 9:286d00d9db80 1743
kbhagat6 9:286d00d9db80 1744 return true;
kbhagat6 9:286d00d9db80 1745 }
kbhagat6 9:286d00d9db80 1746
kbhagat6 9:286d00d9db80 1747 /**
kbhagat6 9:286d00d9db80 1748 * @brief Sets the low threshold for ambient light interrupts
kbhagat6 9:286d00d9db80 1749 *
kbhagat6 9:286d00d9db80 1750 * @param[in] threshold low threshold value for interrupt to trigger
kbhagat6 9:286d00d9db80 1751 * @return True if operation successful. False otherwise.
kbhagat6 9:286d00d9db80 1752 */
kbhagat6 1:c7215f5f9a72 1753 bool glibr::setLightIntLowThreshold(uint16_t threshold)
kbhagat6 1:c7215f5f9a72 1754 {
kbhagat6 1:c7215f5f9a72 1755 uint8_t val_low;
kbhagat6 1:c7215f5f9a72 1756 uint8_t val_high;
kbhagat6 1:c7215f5f9a72 1757
kbhagat6 1:c7215f5f9a72 1758 /* Break 16-bit threshold into 2 8-bit values */
kbhagat6 1:c7215f5f9a72 1759 val_low = threshold & 0x00FF;
kbhagat6 1:c7215f5f9a72 1760 val_high = (threshold & 0xFF00) >> 8;
kbhagat6 1:c7215f5f9a72 1761
kbhagat6 1:c7215f5f9a72 1762 /* Write low byte */
kbhagat6 9:286d00d9db80 1763 if( I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_AILTL,val_low)){//!wireWriteDataByte(APDS9960_AILTL, val_low) ) {
kbhagat6 9:286d00d9db80 1764 return false;
kbhagat6 9:286d00d9db80 1765 }
kbhagat6 9:286d00d9db80 1766
kbhagat6 9:286d00d9db80 1767 /* Write high byte */
kbhagat6 9:286d00d9db80 1768 if( I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_AILTH,val_high)){//!wireWriteDataByte(APDS9960_AILTH, val_high) ) {
kbhagat6 9:286d00d9db80 1769 return false;
kbhagat6 9:286d00d9db80 1770 }
kbhagat6 9:286d00d9db80 1771
kbhagat6 9:286d00d9db80 1772 return true;
kbhagat6 9:286d00d9db80 1773 }
kbhagat6 9:286d00d9db80 1774
kbhagat6 9:286d00d9db80 1775 /**
kbhagat6 9:286d00d9db80 1776 * @brief Gets the high threshold for ambient light interrupts
kbhagat6 9:286d00d9db80 1777 *
kbhagat6 9:286d00d9db80 1778 * @param[out] threshold current low threshold stored on the APDS-9960
kbhagat6 9:286d00d9db80 1779 * @return True if operation successful. False otherwise.
kbhagat6 9:286d00d9db80 1780 */
kbhagat6 9:286d00d9db80 1781 bool glibr::getLightIntHighThreshold(uint16_t &threshold)
kbhagat6 9:286d00d9db80 1782 {
kbhagat6 9:286d00d9db80 1783 uint8_t val_byte;
kbhagat6 9:286d00d9db80 1784 threshold = 0;
kbhagat6 9:286d00d9db80 1785
kbhagat6 9:286d00d9db80 1786 /* Read value from ambient light high threshold, low byte register */
kbhagat6 9:286d00d9db80 1787 val_byte = I2CreadByte(APDS9960_I2C_ADDR, APDS9960_AIHTL);
kbhagat6 9:286d00d9db80 1788 if( val_byte == ERROR){//!wireReadDataByte(APDS9960_AIHTL, val_byte) ) {
kbhagat6 9:286d00d9db80 1789 return false;
kbhagat6 9:286d00d9db80 1790 }
kbhagat6 9:286d00d9db80 1791 threshold = val_byte;
kbhagat6 9:286d00d9db80 1792
kbhagat6 9:286d00d9db80 1793 /* Read value from ambient light high threshold, high byte register */
kbhagat6 9:286d00d9db80 1794 val_byte = I2CreadByte(APDS9960_I2C_ADDR, APDS9960_AIHTH);
kbhagat6 9:286d00d9db80 1795 if( val_byte == ERROR){//!wireReadDataByte(APDS9960_AIHTH, val_byte) ) {
kbhagat6 9:286d00d9db80 1796 return false;
kbhagat6 9:286d00d9db80 1797 }
kbhagat6 9:286d00d9db80 1798 threshold = threshold + ((uint16_t)val_byte << 8);
kbhagat6 9:286d00d9db80 1799
kbhagat6 9:286d00d9db80 1800 return true;
kbhagat6 9:286d00d9db80 1801 }
kbhagat6 9:286d00d9db80 1802
kbhagat6 9:286d00d9db80 1803 /**
kbhagat6 9:286d00d9db80 1804 * @brief Sets the high threshold for ambient light interrupts
kbhagat6 9:286d00d9db80 1805 *
kbhagat6 9:286d00d9db80 1806 * @param[in] threshold high threshold value for interrupt to trigger
kbhagat6 9:286d00d9db80 1807 * @return True if operation successful. False otherwise.
kbhagat6 9:286d00d9db80 1808 */
kbhagat6 9:286d00d9db80 1809 bool glibr::setLightIntHighThreshold(uint16_t threshold)
kbhagat6 9:286d00d9db80 1810 {
kbhagat6 9:286d00d9db80 1811 uint8_t val_low;
kbhagat6 9:286d00d9db80 1812 uint8_t val_high;
kbhagat6 9:286d00d9db80 1813
kbhagat6 9:286d00d9db80 1814 /* Break 16-bit threshold into 2 8-bit values */
kbhagat6 9:286d00d9db80 1815 val_low = threshold & 0x00FF;
kbhagat6 9:286d00d9db80 1816 val_high = (threshold & 0xFF00) >> 8;
kbhagat6 9:286d00d9db80 1817
kbhagat6 9:286d00d9db80 1818 /* Write low byte */
kbhagat6 9:286d00d9db80 1819 if( I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_AIHTL,val_low)){//!wireWriteDataByte(APDS9960_AIHTL, val_low) ) {
kbhagat6 1:c7215f5f9a72 1820 return false;
kbhagat6 1:c7215f5f9a72 1821 }
kbhagat6 1:c7215f5f9a72 1822
kbhagat6 1:c7215f5f9a72 1823 /* Write high byte */
kbhagat6 9:286d00d9db80 1824 if( I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_AIHTH,val_high)){//!wireWriteDataByte(APDS9960_AIHTH, val_high) ) {
kbhagat6 9:286d00d9db80 1825 return false;
kbhagat6 9:286d00d9db80 1826 }
kbhagat6 9:286d00d9db80 1827
kbhagat6 9:286d00d9db80 1828 return true;
kbhagat6 9:286d00d9db80 1829 }
kbhagat6 9:286d00d9db80 1830
kbhagat6 9:286d00d9db80 1831 /**
kbhagat6 9:286d00d9db80 1832 * @brief Gets the low threshold for proximity interrupts
kbhagat6 9:286d00d9db80 1833 *
kbhagat6 9:286d00d9db80 1834 * @param[out] threshold current low threshold stored on the APDS-9960
kbhagat6 9:286d00d9db80 1835 * @return True if operation successful. False otherwise.
kbhagat6 9:286d00d9db80 1836 */
kbhagat6 9:286d00d9db80 1837 bool glibr::getProximityIntLowThreshold(uint8_t &threshold)
kbhagat6 9:286d00d9db80 1838 {
kbhagat6 9:286d00d9db80 1839 threshold = 0;
kbhagat6 9:286d00d9db80 1840
kbhagat6 9:286d00d9db80 1841 /* Read value from proximity low threshold register */
kbhagat6 9:286d00d9db80 1842 threshold = I2CreadByte(APDS9960_I2C_ADDR, APDS9960_PILT);
kbhagat6 9:286d00d9db80 1843 if( threshold == ERROR){//!wireReadDataByte(APDS9960_PILT, threshold) ) {
kbhagat6 9:286d00d9db80 1844 return false;
kbhagat6 9:286d00d9db80 1845 }
kbhagat6 9:286d00d9db80 1846
kbhagat6 9:286d00d9db80 1847 return true;
kbhagat6 9:286d00d9db80 1848 }
kbhagat6 9:286d00d9db80 1849
kbhagat6 9:286d00d9db80 1850 /**
kbhagat6 9:286d00d9db80 1851 * @brief Sets the low threshold for proximity interrupts
kbhagat6 9:286d00d9db80 1852 *
kbhagat6 9:286d00d9db80 1853 * @param[in] threshold low threshold value for interrupt to trigger
kbhagat6 9:286d00d9db80 1854 * @return True if operation successful. False otherwise.
kbhagat6 9:286d00d9db80 1855 */
kbhagat6 9:286d00d9db80 1856 bool glibr::setProximityIntLowThreshold(uint8_t threshold)
kbhagat6 9:286d00d9db80 1857 {
kbhagat6 9:286d00d9db80 1858
kbhagat6 9:286d00d9db80 1859 /* Write threshold value to register */
kbhagat6 9:286d00d9db80 1860 if( I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_PILT,threshold)){//!wireWriteDataByte(APDS9960_PILT, threshold) ) {
kbhagat6 9:286d00d9db80 1861 return false;
kbhagat6 9:286d00d9db80 1862 }
kbhagat6 9:286d00d9db80 1863
kbhagat6 9:286d00d9db80 1864 return true;
kbhagat6 9:286d00d9db80 1865 }
kbhagat6 9:286d00d9db80 1866
kbhagat6 9:286d00d9db80 1867 /**
kbhagat6 9:286d00d9db80 1868 * @brief Gets the high threshold for proximity interrupts
kbhagat6 9:286d00d9db80 1869 *
kbhagat6 9:286d00d9db80 1870 * @param[out] threshold current low threshold stored on the APDS-9960
kbhagat6 9:286d00d9db80 1871 * @return True if operation successful. False otherwise.
kbhagat6 9:286d00d9db80 1872 */
kbhagat6 9:286d00d9db80 1873 bool glibr::getProximityIntHighThreshold(uint8_t &threshold)
kbhagat6 9:286d00d9db80 1874 {
kbhagat6 9:286d00d9db80 1875 threshold = 0;
kbhagat6 9:286d00d9db80 1876
kbhagat6 9:286d00d9db80 1877 /* Read value from proximity low threshold register */
kbhagat6 9:286d00d9db80 1878 threshold = I2CreadByte(APDS9960_I2C_ADDR, APDS9960_PIHT);
kbhagat6 9:286d00d9db80 1879 if( threshold == ERROR){//!wireReadDataByte(APDS9960_PIHT, threshold) ) {
kbhagat6 9:286d00d9db80 1880 return false;
kbhagat6 9:286d00d9db80 1881 }
kbhagat6 9:286d00d9db80 1882
kbhagat6 9:286d00d9db80 1883 return true;
kbhagat6 9:286d00d9db80 1884 }
kbhagat6 9:286d00d9db80 1885
kbhagat6 9:286d00d9db80 1886 /**
kbhagat6 9:286d00d9db80 1887 * @brief Sets the high threshold for proximity interrupts
kbhagat6 9:286d00d9db80 1888 *
kbhagat6 9:286d00d9db80 1889 * @param[in] threshold high threshold value for interrupt to trigger
kbhagat6 9:286d00d9db80 1890 * @return True if operation successful. False otherwise.
kbhagat6 9:286d00d9db80 1891 */
kbhagat6 9:286d00d9db80 1892 bool glibr::setProximityIntHighThreshold(uint8_t threshold)
kbhagat6 9:286d00d9db80 1893 {
kbhagat6 9:286d00d9db80 1894
kbhagat6 9:286d00d9db80 1895 /* Write threshold value to register */
kbhagat6 9:286d00d9db80 1896 if( I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_PIHT,threshold)){//!wireWriteDataByte(APDS9960_PIHT, threshold) ) {
kbhagat6 9:286d00d9db80 1897 return false;
kbhagat6 9:286d00d9db80 1898 }
kbhagat6 9:286d00d9db80 1899
kbhagat6 9:286d00d9db80 1900 return true;
kbhagat6 9:286d00d9db80 1901 }
kbhagat6 9:286d00d9db80 1902
kbhagat6 9:286d00d9db80 1903 /**
kbhagat6 9:286d00d9db80 1904 * @brief Gets if ambient light interrupts are enabled or not
kbhagat6 9:286d00d9db80 1905 *
kbhagat6 9:286d00d9db80 1906 * @return 1 if interrupts are enabled, 0 if not. 0xFF on error.
kbhagat6 9:286d00d9db80 1907 */
kbhagat6 9:286d00d9db80 1908 uint8_t glibr::getAmbientLightIntEnable()
kbhagat6 9:286d00d9db80 1909 {
kbhagat6 9:286d00d9db80 1910 uint8_t val;
kbhagat6 9:286d00d9db80 1911
kbhagat6 9:286d00d9db80 1912 /* Read value from ENABLE register */
kbhagat6 9:286d00d9db80 1913 val = I2CreadByte(APDS9960_I2C_ADDR, APDS9960_ENABLE);
kbhagat6 9:286d00d9db80 1914 if( val == ERROR){//!wireReadDataByte(APDS9960_ENABLE, val) ) {
kbhagat6 9:286d00d9db80 1915 return ERROR;
kbhagat6 9:286d00d9db80 1916 }
kbhagat6 9:286d00d9db80 1917
kbhagat6 9:286d00d9db80 1918 /* Shift and mask out AIEN bit */
kbhagat6 9:286d00d9db80 1919 val = (val >> 4) & 0x01;//0b00000001;
kbhagat6 9:286d00d9db80 1920
kbhagat6 9:286d00d9db80 1921 return val;
kbhagat6 9:286d00d9db80 1922 }
kbhagat6 9:286d00d9db80 1923
kbhagat6 9:286d00d9db80 1924 /**
kbhagat6 9:286d00d9db80 1925 * @brief Turns ambient light interrupts on or off
kbhagat6 9:286d00d9db80 1926 *
kbhagat6 9:286d00d9db80 1927 * @param[in] enable 1 to enable interrupts, 0 to turn them off
kbhagat6 9:286d00d9db80 1928 * @return True if operation successful. False otherwise.
kbhagat6 9:286d00d9db80 1929 */
kbhagat6 9:286d00d9db80 1930 bool glibr::setAmbientLightIntEnable(uint8_t enable)
kbhagat6 9:286d00d9db80 1931 {
kbhagat6 9:286d00d9db80 1932 uint8_t val;
kbhagat6 9:286d00d9db80 1933
kbhagat6 9:286d00d9db80 1934 /* Read value from ENABLE register */
kbhagat6 9:286d00d9db80 1935 val = I2CreadByte(APDS9960_I2C_ADDR, APDS9960_ENABLE);
kbhagat6 9:286d00d9db80 1936 if( val == ERROR){//!wireReadDataByte(APDS9960_ENABLE, val) ) {
kbhagat6 9:286d00d9db80 1937 return false;
kbhagat6 9:286d00d9db80 1938 }
kbhagat6 9:286d00d9db80 1939
kbhagat6 9:286d00d9db80 1940 /* Set bits in register to given value */
kbhagat6 9:286d00d9db80 1941 enable &= 0x01;//0b00000001;
kbhagat6 9:286d00d9db80 1942 enable = enable << 4;
kbhagat6 9:286d00d9db80 1943 val &= 0xEF;//0b11101111;
kbhagat6 9:286d00d9db80 1944 val |= enable;
kbhagat6 9:286d00d9db80 1945
kbhagat6 9:286d00d9db80 1946 /* Write register value back into ENABLE register */
kbhagat6 9:286d00d9db80 1947 if( I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_ENABLE,val)){//!wireWriteDataByte(APDS9960_ENABLE, val) ) {
kbhagat6 9:286d00d9db80 1948 return false;
kbhagat6 9:286d00d9db80 1949 }
kbhagat6 9:286d00d9db80 1950
kbhagat6 9:286d00d9db80 1951 return true;
kbhagat6 9:286d00d9db80 1952 }
kbhagat6 9:286d00d9db80 1953
kbhagat6 9:286d00d9db80 1954 /**
kbhagat6 9:286d00d9db80 1955 * @brief Gets if proximity interrupts are enabled or not
kbhagat6 9:286d00d9db80 1956 *
kbhagat6 9:286d00d9db80 1957 * @return 1 if interrupts are enabled, 0 if not. 0xFF on error.
kbhagat6 9:286d00d9db80 1958 */
kbhagat6 9:286d00d9db80 1959 uint8_t glibr::getProximityIntEnable()
kbhagat6 9:286d00d9db80 1960 {
kbhagat6 9:286d00d9db80 1961 uint8_t val;
kbhagat6 9:286d00d9db80 1962
kbhagat6 9:286d00d9db80 1963 /* Read value from ENABLE register */
kbhagat6 9:286d00d9db80 1964 val = I2CreadByte(APDS9960_I2C_ADDR, APDS9960_ENABLE);
kbhagat6 9:286d00d9db80 1965 if( val == ERROR){//!wireReadDataByte(APDS9960_ENABLE, val) ) {
kbhagat6 9:286d00d9db80 1966 return ERROR;
kbhagat6 9:286d00d9db80 1967 }
kbhagat6 9:286d00d9db80 1968
kbhagat6 9:286d00d9db80 1969 /* Shift and mask out PIEN bit */
kbhagat6 9:286d00d9db80 1970 val = (val >> 5) & 0x01;//0b00000001;
kbhagat6 9:286d00d9db80 1971
kbhagat6 9:286d00d9db80 1972 return val;
kbhagat6 9:286d00d9db80 1973 }
kbhagat6 9:286d00d9db80 1974
kbhagat6 9:286d00d9db80 1975 /**
kbhagat6 9:286d00d9db80 1976 * @brief Turns proximity interrupts on or off
kbhagat6 9:286d00d9db80 1977 *
kbhagat6 9:286d00d9db80 1978 * @param[in] enable 1 to enable interrupts, 0 to turn them off
kbhagat6 9:286d00d9db80 1979 * @return True if operation successful. False otherwise.
kbhagat6 9:286d00d9db80 1980 */
kbhagat6 9:286d00d9db80 1981 bool glibr::setProximityIntEnable(uint8_t enable)
kbhagat6 9:286d00d9db80 1982 {
kbhagat6 9:286d00d9db80 1983 uint8_t val;
kbhagat6 9:286d00d9db80 1984
kbhagat6 9:286d00d9db80 1985 /* Read value from ENABLE register */
kbhagat6 9:286d00d9db80 1986 val = I2CreadByte(APDS9960_I2C_ADDR, APDS9960_ENABLE);
kbhagat6 9:286d00d9db80 1987 if( val == ERROR){//!wireReadDataByte(APDS9960_ENABLE, val) ) {
kbhagat6 9:286d00d9db80 1988 return false;
kbhagat6 9:286d00d9db80 1989 }
kbhagat6 9:286d00d9db80 1990
kbhagat6 9:286d00d9db80 1991 /* Set bits in register to given value */
kbhagat6 9:286d00d9db80 1992 enable &= 0x01;//0b00000001;
kbhagat6 9:286d00d9db80 1993 enable = enable << 5;
kbhagat6 9:286d00d9db80 1994 val &= 0xDF;//0b11011111;
kbhagat6 9:286d00d9db80 1995 val |= enable;
kbhagat6 9:286d00d9db80 1996
kbhagat6 9:286d00d9db80 1997 /* Write register value back into ENABLE register */
kbhagat6 9:286d00d9db80 1998 if( I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_ENABLE,val)){//!wireWriteDataByte(APDS9960_ENABLE, val) ) {
kbhagat6 9:286d00d9db80 1999 return false;
kbhagat6 9:286d00d9db80 2000 }
kbhagat6 9:286d00d9db80 2001
kbhagat6 9:286d00d9db80 2002 return true;
kbhagat6 9:286d00d9db80 2003 }
kbhagat6 9:286d00d9db80 2004
kbhagat6 9:286d00d9db80 2005 /**
kbhagat6 9:286d00d9db80 2006 * @brief Gets if gesture interrupts are enabled or not
kbhagat6 9:286d00d9db80 2007 *
kbhagat6 9:286d00d9db80 2008 * @return 1 if interrupts are enabled, 0 if not. 0xFF on error.
kbhagat6 9:286d00d9db80 2009 */
kbhagat6 9:286d00d9db80 2010 uint8_t glibr::getGestureIntEnable()
kbhagat6 9:286d00d9db80 2011 {
kbhagat6 9:286d00d9db80 2012 uint8_t val;
kbhagat6 9:286d00d9db80 2013
kbhagat6 9:286d00d9db80 2014 /* Read value from GCONF4 register */
kbhagat6 9:286d00d9db80 2015 val = I2CreadByte(APDS9960_I2C_ADDR, APDS9960_GCONF4);
kbhagat6 9:286d00d9db80 2016 if( val == ERROR){//!wireReadDataByte(APDS9960_GCONF4, val) ) {
kbhagat6 9:286d00d9db80 2017 return ERROR;
kbhagat6 9:286d00d9db80 2018 }
kbhagat6 9:286d00d9db80 2019
kbhagat6 9:286d00d9db80 2020 /* Shift and mask out GIEN bit */
kbhagat6 9:286d00d9db80 2021 val = (val >> 1) & 0x01;//0b00000001;
kbhagat6 9:286d00d9db80 2022
kbhagat6 9:286d00d9db80 2023 return val;
kbhagat6 9:286d00d9db80 2024 }
kbhagat6 9:286d00d9db80 2025
kbhagat6 9:286d00d9db80 2026 /**
kbhagat6 9:286d00d9db80 2027 * @brief Turns gesture-related interrupts on or off
kbhagat6 9:286d00d9db80 2028 *
kbhagat6 9:286d00d9db80 2029 * @param[in] enable 1 to enable interrupts, 0 to turn them off
kbhagat6 9:286d00d9db80 2030 * @return True if operation successful. False otherwise.
kbhagat6 9:286d00d9db80 2031 */
kbhagat6 9:286d00d9db80 2032 bool glibr::setGestureIntEnable(uint8_t enable)
kbhagat6 9:286d00d9db80 2033 {
kbhagat6 9:286d00d9db80 2034 uint8_t val;
kbhagat6 9:286d00d9db80 2035
kbhagat6 9:286d00d9db80 2036 /* Read value from GCONF4 register */
kbhagat6 9:286d00d9db80 2037 val = I2CreadByte(APDS9960_I2C_ADDR, APDS9960_GCONF4);
kbhagat6 9:286d00d9db80 2038 if( val == ERROR){//!wireReadDataByte(APDS9960_GCONF4, val) ) {
kbhagat6 9:286d00d9db80 2039 return false;
kbhagat6 9:286d00d9db80 2040 }
kbhagat6 9:286d00d9db80 2041
kbhagat6 9:286d00d9db80 2042 /* Set bits in register to given value */
kbhagat6 9:286d00d9db80 2043 enable &= 0x01;//0b00000001;
kbhagat6 9:286d00d9db80 2044 enable = enable << 1;
kbhagat6 9:286d00d9db80 2045 val &= 0xFD;//0b11111101;
kbhagat6 9:286d00d9db80 2046 val |= enable;
kbhagat6 9:286d00d9db80 2047
kbhagat6 9:286d00d9db80 2048 /* Write register value back into GCONF4 register */
kbhagat6 9:286d00d9db80 2049 if( I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_GCONF4,val)){//!wireWriteDataByte(APDS9960_GCONF4, val) ) {
kbhagat6 9:286d00d9db80 2050 return false;
kbhagat6 9:286d00d9db80 2051 }
kbhagat6 9:286d00d9db80 2052
kbhagat6 9:286d00d9db80 2053 return true;
kbhagat6 9:286d00d9db80 2054 }
kbhagat6 9:286d00d9db80 2055
kbhagat6 9:286d00d9db80 2056 /**
kbhagat6 9:286d00d9db80 2057 * @brief Clears the ambient light interrupt
kbhagat6 9:286d00d9db80 2058 *
kbhagat6 9:286d00d9db80 2059 * @return True if operation completed successfully. False otherwise.
kbhagat6 9:286d00d9db80 2060 */
kbhagat6 9:286d00d9db80 2061 bool glibr::clearAmbientLightInt()
kbhagat6 9:286d00d9db80 2062 {
kbhagat6 9:286d00d9db80 2063 uint8_t throwaway;
kbhagat6 9:286d00d9db80 2064 throwaway = I2CreadByte(APDS9960_I2C_ADDR, APDS9960_AICLEAR);
kbhagat6 9:286d00d9db80 2065 if( throwaway == ERROR){//!wireReadDataByte(APDS9960_AICLEAR, throwaway) ) {
kbhagat6 9:286d00d9db80 2066 return false;
kbhagat6 9:286d00d9db80 2067 }
kbhagat6 9:286d00d9db80 2068
kbhagat6 9:286d00d9db80 2069 return true;
kbhagat6 9:286d00d9db80 2070 }
kbhagat6 9:286d00d9db80 2071
kbhagat6 9:286d00d9db80 2072 /**
kbhagat6 9:286d00d9db80 2073 * @brief Clears the proximity interrupt
kbhagat6 9:286d00d9db80 2074 *
kbhagat6 9:286d00d9db80 2075 * @return True if operation completed successfully. False otherwise.
kbhagat6 9:286d00d9db80 2076 */
kbhagat6 9:286d00d9db80 2077 bool glibr::clearProximityInt()
kbhagat6 9:286d00d9db80 2078 {
kbhagat6 9:286d00d9db80 2079 uint8_t throwaway;
kbhagat6 9:286d00d9db80 2080 throwaway = I2CreadByte(APDS9960_I2C_ADDR, APDS9960_PICLEAR);
kbhagat6 9:286d00d9db80 2081 if( throwaway == ERROR){//!wireReadDataByte(APDS9960_PICLEAR, throwaway) ) {
kbhagat6 9:286d00d9db80 2082 return false;
kbhagat6 9:286d00d9db80 2083 }
kbhagat6 9:286d00d9db80 2084
kbhagat6 9:286d00d9db80 2085 return true;
kbhagat6 9:286d00d9db80 2086 }
kbhagat6 9:286d00d9db80 2087
kbhagat6 9:286d00d9db80 2088 /**
kbhagat6 9:286d00d9db80 2089 * @brief Tells if the gesture state machine is currently running
kbhagat6 9:286d00d9db80 2090 *
kbhagat6 9:286d00d9db80 2091 * @return 1 if gesture state machine is running, 0 if not. 0xFF on error.
kbhagat6 9:286d00d9db80 2092 */
kbhagat6 9:286d00d9db80 2093 uint8_t glibr::getGestureMode()
kbhagat6 9:286d00d9db80 2094 {
kbhagat6 9:286d00d9db80 2095 uint8_t val;
kbhagat6 9:286d00d9db80 2096
kbhagat6 9:286d00d9db80 2097 /* Read value from GCONF4 register */
kbhagat6 9:286d00d9db80 2098 val = I2CreadByte(APDS9960_I2C_ADDR, APDS9960_GCONF4);
kbhagat6 9:286d00d9db80 2099 if( val == ERROR){//!wireReadDataByte(APDS9960_GCONF4, val) ) {
kbhagat6 9:286d00d9db80 2100 return ERROR;
kbhagat6 9:286d00d9db80 2101 }
kbhagat6 9:286d00d9db80 2102
kbhagat6 9:286d00d9db80 2103 /* Mask out GMODE bit */
kbhagat6 9:286d00d9db80 2104 val &= 0x01;//0b00000001;
kbhagat6 9:286d00d9db80 2105
kbhagat6 9:286d00d9db80 2106 return val;
kbhagat6 9:286d00d9db80 2107 }
kbhagat6 9:286d00d9db80 2108
kbhagat6 9:286d00d9db80 2109 /**
kbhagat6 9:286d00d9db80 2110 * @brief Tells the state machine to either enter or exit gesture state machine
kbhagat6 9:286d00d9db80 2111 *
kbhagat6 9:286d00d9db80 2112 * @param[in] mode 1 to enter gesture state machine, 0 to exit.
kbhagat6 9:286d00d9db80 2113 * @return True if operation successful. False otherwise.
kbhagat6 9:286d00d9db80 2114 */
kbhagat6 9:286d00d9db80 2115 bool glibr::setGestureMode(uint8_t mode)
kbhagat6 9:286d00d9db80 2116 {
kbhagat6 9:286d00d9db80 2117 uint8_t val;
kbhagat6 9:286d00d9db80 2118
kbhagat6 9:286d00d9db80 2119 /* Read value from GCONF4 register */
kbhagat6 9:286d00d9db80 2120 val = I2CreadByte(APDS9960_I2C_ADDR, APDS9960_GCONF4);
kbhagat6 9:286d00d9db80 2121 if( val == ERROR){//!wireReadDataByte(APDS9960_GCONF4, val) ) {
kbhagat6 9:286d00d9db80 2122 return false;
kbhagat6 9:286d00d9db80 2123 }
kbhagat6 9:286d00d9db80 2124
kbhagat6 9:286d00d9db80 2125 /* Set bits in register to given value */
kbhagat6 9:286d00d9db80 2126 mode &= 0x01;//0b00000001;
kbhagat6 9:286d00d9db80 2127 val &= 0xFE;//0b11111110;
kbhagat6 9:286d00d9db80 2128 val |= mode;
kbhagat6 9:286d00d9db80 2129
kbhagat6 9:286d00d9db80 2130 /* Write register value back into GCONF4 register */
kbhagat6 9:286d00d9db80 2131 if( I2CwriteByte(APDS9960_I2C_ADDR,APDS9960_GCONF4,val)){//!wireWriteDataByte(APDS9960_GCONF4, val) ) {
kbhagat6 1:c7215f5f9a72 2132 return false;
kbhagat6 1:c7215f5f9a72 2133 }
kbhagat6 1:c7215f5f9a72 2134
kbhagat6 1:c7215f5f9a72 2135 return true;
kbhagat6 1:c7215f5f9a72 2136 }
kbhagat6 1:c7215f5f9a72 2137
kbhagat6 5:3eb4f3091bd8 2138
kbhagat6 5:3eb4f3091bd8 2139
kbhagat6 5:3eb4f3091bd8 2140
kbhagat6 5:3eb4f3091bd8 2141
kbhagat6 5:3eb4f3091bd8 2142 int glibr::I2CwriteByte(char address, char subAddress, char data)
kbhagat6 5:3eb4f3091bd8 2143 {
kbhagat6 5:3eb4f3091bd8 2144 int ret;
kbhagat6 5:3eb4f3091bd8 2145 char cmd[2] = {subAddress, data};
kbhagat6 5:3eb4f3091bd8 2146 ret=i2c.write(address<<1, cmd, 2); //if ret is 1, then not acked.
kbhagat6 5:3eb4f3091bd8 2147 return ret;
kbhagat6 5:3eb4f3091bd8 2148 }
kbhagat6 5:3eb4f3091bd8 2149
kbhagat6 5:3eb4f3091bd8 2150
kbhagat6 5:3eb4f3091bd8 2151
kbhagat6 0:437ae08befe3 2152 uint8_t glibr::I2CreadByte(char address, char subAddress)
kbhagat6 0:437ae08befe3 2153 {
kbhagat6 0:437ae08befe3 2154 char data; // store the register data
kbhagat6 0:437ae08befe3 2155
kbhagat6 0:437ae08befe3 2156 if(i2c.write(address<<1, &subAddress, 1, true)){
kbhagat6 0:437ae08befe3 2157 return ERROR; //7 bit //not acked
kbhagat6 0:437ae08befe3 2158 }
kbhagat6 0:437ae08befe3 2159 i2c.read(address<<1, &data, 1);
kbhagat6 0:437ae08befe3 2160 return data;
kbhagat6 0:437ae08befe3 2161
kbhagat6 0:437ae08befe3 2162 }
kbhagat6 5:3eb4f3091bd8 2163
kbhagat6 9:286d00d9db80 2164
kbhagat6 9:286d00d9db80 2165 // * @brief Reads a block (array) of bytes from the I2C device and register
kbhagat6 9:286d00d9db80 2166 // *
kbhagat6 9:286d00d9db80 2167 // * @param[in] reg the register to read from
kbhagat6 9:286d00d9db80 2168 // * @param[out] val pointer to the beginning of the data
kbhagat6 9:286d00d9db80 2169 // * @param[in] len number of bytes to read
kbhagat6 9:286d00d9db80 2170 // * @return Number of bytes read. -1 on read error.
kbhagat6 9:286d00d9db80 2171 // */
kbhagat6 9:286d00d9db80 2172 int glibr::I2CReadDataBlock(char address, char subAddress, char *data, unsigned int len)
kbhagat6 5:3eb4f3091bd8 2173 {
kbhagat6 5:3eb4f3091bd8 2174 // unsigned char i = 0;
kbhagat6 8:6fa15d4e31fb 2175
kbhagat6 5:3eb4f3091bd8 2176 /* Indicate which register we want to read from */
kbhagat6 5:3eb4f3091bd8 2177
kbhagat6 9:286d00d9db80 2178 if(i2c.write(address<<1, &subAddress, 1, true)){
kbhagat6 5:3eb4f3091bd8 2179 return -1; //7 bit //not acked
kbhagat6 8:6fa15d4e31fb 2180 }
kbhagat6 5:3eb4f3091bd8 2181
kbhagat6 5:3eb4f3091bd8 2182 /* Read block data */
kbhagat6 8:6fa15d4e31fb 2183
kbhagat6 9:286d00d9db80 2184 if(i2c.read(address<<1, data, len)){
kbhagat6 8:6fa15d4e31fb 2185 return -1;
kbhagat6 8:6fa15d4e31fb 2186 }
kbhagat6 5:3eb4f3091bd8 2187
kbhagat6 8:6fa15d4e31fb 2188 return 1;
kbhagat6 5:3eb4f3091bd8 2189 //Wire.requestFrom(APDS9960_I2C_ADDR, len);
kbhagat6 5:3eb4f3091bd8 2190 /*while (Wire.available()) {
kbhagat6 5:3eb4f3091bd8 2191 if (i >= len) {
kbhagat6 5:3eb4f3091bd8 2192 return -1;
kbhagat6 5:3eb4f3091bd8 2193 }
kbhagat6 5:3eb4f3091bd8 2194 val[i] = Wire.read();
kbhagat6 5:3eb4f3091bd8 2195 i++;
kbhagat6 5:3eb4f3091bd8 2196 }*/
kbhagat6 5:3eb4f3091bd8 2197 }