Jesus Fausto / VL53L1X

This is the SparkFun_VL53L1X_Arduino_Library translated into mbed, with some elements of Ian Kilburn's VL6180x mbed library.

Dependents:   Hug2Go_ver_2 Nucleo_rtos_basic_f103rb

VL53L1X.cpp@6:621552ff1de9, 2018-07-27 (annotated)

Committer:
jvfausto
Date:
Fri Jul 27 19:02:07 2018 +0000
Revision:
6:621552ff1de9
Parent:
5:aa8cc9e87216 
Now begin() is a boolean

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jvfausto 0:03b7e8deb3ee 1 #include "VL53L1X.h"
jvfausto 1:0d762892f7af 2 #include "mbed.h"
jvfausto 4:2c3181cc4e98 3
jvfausto 1:0d762892f7af 4 //Serial pc(USBTX,USBRX);
jvfausto 5:aa8cc9e87216 5 //DigitalOut led1(LED1);
jvfausto 4:2c3181cc4e98 6
jvfausto 0:03b7e8deb3ee 7 uint8_t configBlock[] = {
jvfausto 0:03b7e8deb3ee 8 0x29, 0x02, 0x10, 0x00, 0x28, 0xBC, 0x7A, 0x81, //8
jvfausto 0:03b7e8deb3ee 9 0x80, 0x07, 0x95, 0x00, 0xED, 0xFF, 0xF7, 0xFD, //16
jvfausto 0:03b7e8deb3ee 10 0x9E, 0x0E, 0x00, 0x10, 0x01, 0x00, 0x00, 0x00, //24
jvfausto 0:03b7e8deb3ee 11 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x34, 0x00, //32
jvfausto 0:03b7e8deb3ee 12 0x28, 0x00, 0x0D, 0x0A, 0x00, 0x00, 0x00, 0x00, //40
jvfausto 0:03b7e8deb3ee 13 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11, //48
jvfausto 0:03b7e8deb3ee 14 0x02, 0x00, 0x02, 0x08, 0x00, 0x08, 0x10, 0x01, //56
jvfausto 0:03b7e8deb3ee 15 0x01, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x00, 0x02, //64
jvfausto 0:03b7e8deb3ee 16 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x0B, 0x00, //72
jvfausto 0:03b7e8deb3ee 17 0x00, 0x02, 0x0A, 0x21, 0x00, 0x00, 0x02, 0x00, //80
jvfausto 0:03b7e8deb3ee 18 0x00, 0x00, 0x00, 0xC8, 0x00, 0x00, 0x38, 0xFF, //88
jvfausto 0:03b7e8deb3ee 19 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x91, 0x0F, //96
jvfausto 0:03b7e8deb3ee 20 0x00, 0xA5, 0x0D, 0x00, 0x80, 0x00, 0x0C, 0x08, //104
jvfausto 0:03b7e8deb3ee 21 0xB8, 0x00, 0x00, 0x00, 0x00, 0x0E, 0x10, 0x00, //112
jvfausto 0:03b7e8deb3ee 22 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x0F, //120
jvfausto 0:03b7e8deb3ee 23 0x0D, 0x0E, 0x0E, 0x01, 0x00, 0x02, 0xC7, 0xFF, //128
jvfausto 0:03b7e8deb3ee 24 0x8B, 0x00, 0x00, 0x00, 0x01, 0x01, 0x40 //129 - 135 (0x81 - 0x87)
jvfausto 0:03b7e8deb3ee 25 };
jvfausto 4:2c3181cc4e98 26
jvfausto 0:03b7e8deb3ee 27 VL53L1X::VL53L1X(PinName SDA, PinName SCL) : _i2c(SDA,SCL){
jvfausto 0:03b7e8deb3ee 28 //Set I2C fast and bring reset line high
jvfausto 1:0d762892f7af 29 _i2c.frequency(400000);
jvfausto 2:fbaee2407103 30 _deviceAddress = defaultAddress_VL53L1X << 1;
jvfausto 0:03b7e8deb3ee 31 }
jvfausto 0:03b7e8deb3ee 32
jvfausto 6:621552ff1de9 33 bool VL53L1X::begin()
jvfausto 5:aa8cc9e87216 34 {
jvfausto 1:0d762892f7af 35 //Check the device ID
jvfausto 1:0d762892f7af 36 uint16_t modelID = readRegister16(VL53L1_IDENTIFICATION__MODEL_ID);
jvfausto 1:0d762892f7af 37 if (modelID != 0xEACC){
jvfausto 6:621552ff1de9 38 return (false);
jvfausto 1:0d762892f7af 39 }
jvfausto 1:0d762892f7af 40 softReset();
jvfausto 4:2c3181cc4e98 41
jvfausto 1:0d762892f7af 42 //Polls the bit 0 of the FIRMWARE__SYSTEM_STATUS register to see if the firmware is ready
jvfausto 1:0d762892f7af 43 int counter = 0;
jvfausto 2:fbaee2407103 44 int Firmware = readRegister16(VL53L1_FIRMWARE__SYSTEM_STATUS);
jvfausto 2:fbaee2407103 45 printf("Firmware = %x\r\n", Firmware);
jvfausto 2:fbaee2407103 46 while ((Firmware & 0x01) == 0)
jvfausto 1:0d762892f7af 47 {
jvfausto 2:fbaee2407103 48 Firmware = readRegister16(VL53L1_FIRMWARE__SYSTEM_STATUS);
jvfausto 2:fbaee2407103 49 printf("Firmware = %x\r\n", Firmware);
jvfausto 6:621552ff1de9 50 if (counter++ == 100) return (false); //Sensor timed out
jvfausto 2:fbaee2407103 51 wait(.1);
jvfausto 1:0d762892f7af 52 }
jvfausto 4:2c3181cc4e98 53
jvfausto 1:0d762892f7af 54 //Set I2C to 2.8V mode. In this mode 3.3V I2C is allowed.
jvfausto 1:0d762892f7af 55 uint16_t result = readRegister16(VL53L1_PAD_I2C_HV__EXTSUP_CONFIG);
jvfausto 1:0d762892f7af 56 result = (result & 0xFE) | 0x01;
jvfausto 1:0d762892f7af 57 writeRegister16(VL53L1_PAD_I2C_HV__EXTSUP_CONFIG, result);
jvfausto 4:2c3181cc4e98 58
jvfausto 1:0d762892f7af 59 //Gets trim resistors from chip
jvfausto 1:0d762892f7af 60 for (uint16_t i = 0; i < 36; i++) {
jvfausto 1:0d762892f7af 61 uint8_t regVal = readRegister(i + 1);
jvfausto 1:0d762892f7af 62 configBlock[i] = regVal;
jvfausto 1:0d762892f7af 63 }
jvfausto 5:aa8cc9e87216 64
jvfausto 1:0d762892f7af 65 startMeasurement();
jvfausto 6:621552ff1de9 66 return (true); //Sensor online!
jvfausto 5:aa8cc9e87216 67
jvfausto 1:0d762892f7af 68 }
jvfausto 4:2c3181cc4e98 69
jvfausto 1:0d762892f7af 70
jvfausto 0:03b7e8deb3ee 71 void VL53L1X::startMeasurement(uint8_t offset)
jvfausto 0:03b7e8deb3ee 72 {
jvfausto 6:621552ff1de9 73 offset = 0; //Start at a location within the configBlock array
jvfausto 0:03b7e8deb3ee 74 uint8_t address = 1 + offset; //Start at memory location 0x01, add offset
jvfausto 6:621552ff1de9 75 char data_write[32];
jvfausto 0:03b7e8deb3ee 76 uint8_t leftToSend = sizeof(configBlock) - offset;
jvfausto 0:03b7e8deb3ee 77 while (leftToSend > 0)
jvfausto 0:03b7e8deb3ee 78 {
jvfausto 0:03b7e8deb3ee 79
jvfausto 4:2c3181cc4e98 80 data_write[0] = 0; //MSB of register address
jvfausto 4:2c3181cc4e98 81 data_write[1] = address; //LSB of register address
jvfausto 4:2c3181cc4e98 82
jvfausto 4:2c3181cc4e98 83 uint8_t toSend = 30; //Max I2C buffer on Arduino is 32, and we need 2 bytes for address
jvfausto 4:2c3181cc4e98 84 if (toSend > leftToSend) toSend = leftToSend;
jvfausto 4:2c3181cc4e98 85 for(int x = 0; x < toSend; x++)
jvfausto 5:aa8cc9e87216 86 {
jvfausto 4:2c3181cc4e98 87 data_write[x+2] = configBlock[x+address-1];
jvfausto 5:aa8cc9e87216 88 }
jvfausto 4:2c3181cc4e98 89 _i2c.write(_deviceAddress, data_write, toSend+2);
jvfausto 0:03b7e8deb3ee 90
jvfausto 0:03b7e8deb3ee 91 leftToSend -= toSend;
jvfausto 0:03b7e8deb3ee 92 address += toSend;
jvfausto 0:03b7e8deb3ee 93 }
jvfausto 0:03b7e8deb3ee 94 }
jvfausto 4:2c3181cc4e98 95
jvfausto 0:03b7e8deb3ee 96 bool VL53L1X::newDataReady(void)
jvfausto 0:03b7e8deb3ee 97 {
jvfausto 2:fbaee2407103 98 int read = readRegister(VL53L1_GPIO__TIO_HV_STATUS);
jvfausto 2:fbaee2407103 99 if (read != 0x03) return(true); //New measurement!
jvfausto 0:03b7e8deb3ee 100 return(false); //No new data
jvfausto 0:03b7e8deb3ee 101 }
jvfausto 4:2c3181cc4e98 102
jvfausto 0:03b7e8deb3ee 103 //Reset sensor via software
jvfausto 0:03b7e8deb3ee 104 void VL53L1X::softReset()
jvfausto 0:03b7e8deb3ee 105 {
jvfausto 0:03b7e8deb3ee 106 writeRegister(VL53L1_SOFT_RESET, 0x00); //Reset
jvfausto 0:03b7e8deb3ee 107 wait(.001); //Driver uses 100us
jvfausto 0:03b7e8deb3ee 108 writeRegister(VL53L1_SOFT_RESET, 0x01); //Exit reset
jvfausto 0:03b7e8deb3ee 109 }
jvfausto 4:2c3181cc4e98 110
jvfausto 0:03b7e8deb3ee 111 uint16_t VL53L1X::getDistance()
jvfausto 0:03b7e8deb3ee 112 {
jvfausto 0:03b7e8deb3ee 113 return (readRegister16(VL53L1_RESULT__FINAL_CROSSTALK_CORRECTED_RANGE_MM_SD0));
jvfausto 0:03b7e8deb3ee 114 }
jvfausto 4:2c3181cc4e98 115
jvfausto 0:03b7e8deb3ee 116 uint16_t VL53L1X::getSignalRate()
jvfausto 0:03b7e8deb3ee 117 {
jvfausto 0:03b7e8deb3ee 118 //From vl53l1_api.c line 2041
jvfausto 0:03b7e8deb3ee 119 uint16_t reading = readRegister16(VL53L1_RESULT__PEAK_SIGNAL_COUNT_RATE_CROSSTALK_CORRECTED_MCPS_SD0);// << 9; //FIXPOINT97TOFIXPOINT1616
jvfausto 0:03b7e8deb3ee 120 //float signalRate = (float)reading/65536.0;
jvfausto 0:03b7e8deb3ee 121 return (reading);
jvfausto 0:03b7e8deb3ee 122 }
jvfausto 4:2c3181cc4e98 123
jvfausto 0:03b7e8deb3ee 124 void VL53L1X::setDistanceMode(uint8_t mode)
jvfausto 0:03b7e8deb3ee 125 {
jvfausto 0:03b7e8deb3ee 126 uint8_t periodA;
jvfausto 0:03b7e8deb3ee 127 uint8_t periodB;
jvfausto 0:03b7e8deb3ee 128 uint8_t phaseHigh;
jvfausto 0:03b7e8deb3ee 129 uint8_t phaseInit;
jvfausto 3:a7f10344f941 130
jvfausto 0:03b7e8deb3ee 131 switch (mode)
jvfausto 0:03b7e8deb3ee 132 {
jvfausto 0:03b7e8deb3ee 133 case 0:
jvfausto 0:03b7e8deb3ee 134 periodA = 0x07;
jvfausto 0:03b7e8deb3ee 135 periodB = 0x05;
jvfausto 0:03b7e8deb3ee 136 phaseHigh = 0x38;
jvfausto 0:03b7e8deb3ee 137 phaseInit = 6;
jvfausto 0:03b7e8deb3ee 138 break;
jvfausto 0:03b7e8deb3ee 139 case 1:
jvfausto 0:03b7e8deb3ee 140 periodA = 0x0B;
jvfausto 0:03b7e8deb3ee 141 periodB = 0x09;
jvfausto 0:03b7e8deb3ee 142 phaseHigh = 0x78;
jvfausto 0:03b7e8deb3ee 143 phaseInit = 10;
jvfausto 0:03b7e8deb3ee 144 break;
jvfausto 0:03b7e8deb3ee 145 case 2:
jvfausto 0:03b7e8deb3ee 146 periodA = 0x0F;
jvfausto 0:03b7e8deb3ee 147 periodB = 0x0D;
jvfausto 0:03b7e8deb3ee 148 phaseHigh = 0xB8;
jvfausto 0:03b7e8deb3ee 149 phaseInit = 14;
jvfausto 0:03b7e8deb3ee 150 break;
jvfausto 0:03b7e8deb3ee 151 //If user inputs wrong range, we default to long range
jvfausto 0:03b7e8deb3ee 152 default:
jvfausto 0:03b7e8deb3ee 153 periodA = 0x0F;
jvfausto 0:03b7e8deb3ee 154 periodB = 0x0D;
jvfausto 0:03b7e8deb3ee 155 phaseHigh = 0xB8;
jvfausto 0:03b7e8deb3ee 156 phaseInit = 14;
jvfausto 0:03b7e8deb3ee 157 break;
jvfausto 0:03b7e8deb3ee 158 }
jvfausto 0:03b7e8deb3ee 159 //timing
jvfausto 0:03b7e8deb3ee 160 writeRegister(VL53L1_RANGE_CONFIG__VCSEL_PERIOD_A, periodA);
jvfausto 0:03b7e8deb3ee 161 writeRegister(VL53L1_RANGE_CONFIG__VCSEL_PERIOD_B , periodB);
jvfausto 0:03b7e8deb3ee 162 writeRegister(VL53L1_RANGE_CONFIG__VALID_PHASE_HIGH, phaseHigh);
jvfausto 0:03b7e8deb3ee 163
jvfausto 0:03b7e8deb3ee 164 //dynamic
jvfausto 0:03b7e8deb3ee 165 writeRegister(VL53L1_SD_CONFIG__WOI_SD0 , periodA);
jvfausto 0:03b7e8deb3ee 166 writeRegister(VL53L1_SD_CONFIG__WOI_SD1, periodB);
jvfausto 0:03b7e8deb3ee 167 writeRegister(VL53L1_SD_CONFIG__INITIAL_PHASE_SD0, phaseInit);
jvfausto 0:03b7e8deb3ee 168 writeRegister(VL53L1_SD_CONFIG__INITIAL_PHASE_SD1, phaseInit);
jvfausto 0:03b7e8deb3ee 169
jvfausto 0:03b7e8deb3ee 170 _distanceMode = mode;
jvfausto 0:03b7e8deb3ee 171 }
jvfausto 0:03b7e8deb3ee 172 uint8_t VL53L1X::getDistanceMode()
jvfausto 0:03b7e8deb3ee 173 {
jvfausto 0:03b7e8deb3ee 174 return _distanceMode;
jvfausto 0:03b7e8deb3ee 175 }
jvfausto 4:2c3181cc4e98 176
jvfausto 0:03b7e8deb3ee 177 uint8_t VL53L1X::getRangeStatus()
jvfausto 0:03b7e8deb3ee 178 {
jvfausto 0:03b7e8deb3ee 179 #define VL53L1_DEVICEERROR_VCSELCONTINUITYTESTFAILURE ( 1)
jvfausto 0:03b7e8deb3ee 180 #define VL53L1_DEVICEERROR_VCSELWATCHDOGTESTFAILURE ( 2)
jvfausto 0:03b7e8deb3ee 181 #define VL53L1_DEVICEERROR_NOVHVVALUEFOUND ( 3)
jvfausto 0:03b7e8deb3ee 182 #define VL53L1_DEVICEERROR_MSRCNOTARGET ( 4)
jvfausto 0:03b7e8deb3ee 183 #define VL53L1_DEVICEERROR_RANGEPHASECHECK ( 5)
jvfausto 0:03b7e8deb3ee 184 #define VL53L1_DEVICEERROR_SIGMATHRESHOLDCHECK ( 6)
jvfausto 0:03b7e8deb3ee 185 #define VL53L1_DEVICEERROR_PHASECONSISTENCY ( 7)
jvfausto 0:03b7e8deb3ee 186 #define VL53L1_DEVICEERROR_MINCLIP ( 8)
jvfausto 0:03b7e8deb3ee 187 #define VL53L1_DEVICEERROR_RANGECOMPLETE ( 9)
jvfausto 0:03b7e8deb3ee 188 #define VL53L1_DEVICEERROR_ALGOUNDERFLOW ( 10)
jvfausto 0:03b7e8deb3ee 189 #define VL53L1_DEVICEERROR_ALGOOVERFLOW ( 11)
jvfausto 0:03b7e8deb3ee 190 #define VL53L1_DEVICEERROR_RANGEIGNORETHRESHOLD ( 12)
jvfausto 0:03b7e8deb3ee 191 #define VL53L1_DEVICEERROR_USERROICLIP ( 13)
jvfausto 0:03b7e8deb3ee 192 #define VL53L1_DEVICEERROR_REFSPADCHARNOTENOUGHDPADS ( 14)
jvfausto 0:03b7e8deb3ee 193 #define VL53L1_DEVICEERROR_REFSPADCHARMORETHANTARGET ( 15)
jvfausto 0:03b7e8deb3ee 194 #define VL53L1_DEVICEERROR_REFSPADCHARLESSTHANTARGET ( 16)
jvfausto 0:03b7e8deb3ee 195 #define VL53L1_DEVICEERROR_MULTCLIPFAIL ( 17)
jvfausto 0:03b7e8deb3ee 196 #define VL53L1_DEVICEERROR_GPHSTREAMCOUNT0READY ( 18)
jvfausto 0:03b7e8deb3ee 197 #define VL53L1_DEVICEERROR_RANGECOMPLETE_NO_WRAP_CHECK ( 19)
jvfausto 0:03b7e8deb3ee 198 #define VL53L1_DEVICEERROR_EVENTCONSISTENCY ( 20)
jvfausto 0:03b7e8deb3ee 199 #define VL53L1_DEVICEERROR_MINSIGNALEVENTCHECK ( 21)
jvfausto 0:03b7e8deb3ee 200 #define VL53L1_DEVICEERROR_RANGECOMPLETE_MERGED_PULSE ( 22)
jvfausto 4:2c3181cc4e98 201
jvfausto 0:03b7e8deb3ee 202 #define VL53L1_RANGESTATUS_RANGE_VALID 0 /*!<The Range is valid. */
jvfausto 0:03b7e8deb3ee 203 #define VL53L1_RANGESTATUS_SIGMA_FAIL 1 /*!<Sigma Fail. */
jvfausto 0:03b7e8deb3ee 204 #define VL53L1_RANGESTATUS_SIGNAL_FAIL 2 /*!<Signal fail. */
jvfausto 0:03b7e8deb3ee 205 #define VL53L1_RANGESTATUS_RANGE_VALID_MIN_RANGE_CLIPPED 3 /*!<Target is below minimum detection threshold. */
jvfausto 0:03b7e8deb3ee 206 #define VL53L1_RANGESTATUS_OUTOFBOUNDS_FAIL 4 /*!<Phase out of valid limits - different to a wrap exit. */
jvfausto 0:03b7e8deb3ee 207 #define VL53L1_RANGESTATUS_HARDWARE_FAIL 5 /*!<Hardware fail. */
jvfausto 0:03b7e8deb3ee 208 #define VL53L1_RANGESTATUS_RANGE_VALID_NO_WRAP_CHECK_FAIL 6 /*!<The Range is valid but the wraparound check has not been done. */
jvfausto 0:03b7e8deb3ee 209 #define VL53L1_RANGESTATUS_WRAP_TARGET_FAIL 7 /*!<Wrapped target - no matching phase in other VCSEL period timing. */
jvfausto 0:03b7e8deb3ee 210 #define VL53L1_RANGESTATUS_PROCESSING_FAIL 8 /*!<Internal algo underflow or overflow in lite ranging. */
jvfausto 0:03b7e8deb3ee 211 #define VL53L1_RANGESTATUS_XTALK_SIGNAL_FAIL 9 /*!<Specific to lite ranging. */
jvfausto 0:03b7e8deb3ee 212 #define VL53L1_RANGESTATUS_SYNCRONISATION_INT 10 /*!<1st interrupt when starting ranging in back to back mode. Ignore data. */
jvfausto 0:03b7e8deb3ee 213 #define VL53L1_RANGESTATUS_RANGE_VALID_MERGED_PULSE 11 /*!<All Range ok but object is result of multiple pulses merging together.*/
jvfausto 0:03b7e8deb3ee 214 #define VL53L1_RANGESTATUS_TARGET_PRESENT_LACK_OF_SIGNAL 12 /*!<Used by RQL as different to phase fail. */
jvfausto 0:03b7e8deb3ee 215 #define VL53L1_RANGESTATUS_MIN_RANGE_FAIL 13 /*!<User ROI input is not valid e.g. beyond SPAD Array.*/
jvfausto 0:03b7e8deb3ee 216 #define VL53L1_RANGESTATUS_RANGE_INVALID 14 /*!<lld returned valid range but negative value ! */
jvfausto 0:03b7e8deb3ee 217 #define VL53L1_RANGESTATUS_NONE 255 /*!<No Update. */
jvfausto 4:2c3181cc4e98 218
jvfausto 0:03b7e8deb3ee 219 //Read status
jvfausto 4:2c3181cc4e98 220 uint8_t measurementStatus = (readRegister(VL53L1_RESULT__RANGE_STATUS) & 0x1F);
jvfausto 0:03b7e8deb3ee 221 //Convert status from one to another - From vl53l1_api.c
jvfausto 0:03b7e8deb3ee 222 switch (measurementStatus) {
jvfausto 0:03b7e8deb3ee 223 case VL53L1_DEVICEERROR_GPHSTREAMCOUNT0READY:
jvfausto 0:03b7e8deb3ee 224 measurementStatus = VL53L1_RANGESTATUS_SYNCRONISATION_INT;
jvfausto 0:03b7e8deb3ee 225 break;
jvfausto 0:03b7e8deb3ee 226 case VL53L1_DEVICEERROR_RANGECOMPLETE_NO_WRAP_CHECK:
jvfausto 0:03b7e8deb3ee 227 measurementStatus = VL53L1_RANGESTATUS_RANGE_VALID_NO_WRAP_CHECK_FAIL;
jvfausto 0:03b7e8deb3ee 228 break;
jvfausto 0:03b7e8deb3ee 229 case VL53L1_DEVICEERROR_RANGEPHASECHECK:
jvfausto 0:03b7e8deb3ee 230 measurementStatus = VL53L1_RANGESTATUS_OUTOFBOUNDS_FAIL;
jvfausto 0:03b7e8deb3ee 231 break;
jvfausto 0:03b7e8deb3ee 232 case VL53L1_DEVICEERROR_MSRCNOTARGET:
jvfausto 0:03b7e8deb3ee 233 measurementStatus = VL53L1_RANGESTATUS_SIGNAL_FAIL;
jvfausto 0:03b7e8deb3ee 234 break;
jvfausto 0:03b7e8deb3ee 235 case VL53L1_DEVICEERROR_SIGMATHRESHOLDCHECK:
jvfausto 0:03b7e8deb3ee 236 measurementStatus = VL53L1_RANGESTATUS_SIGMA_FAIL;
jvfausto 0:03b7e8deb3ee 237 break;
jvfausto 0:03b7e8deb3ee 238 case VL53L1_DEVICEERROR_PHASECONSISTENCY:
jvfausto 0:03b7e8deb3ee 239 measurementStatus = VL53L1_RANGESTATUS_WRAP_TARGET_FAIL;
jvfausto 0:03b7e8deb3ee 240 break;
jvfausto 0:03b7e8deb3ee 241 case VL53L1_DEVICEERROR_RANGEIGNORETHRESHOLD:
jvfausto 0:03b7e8deb3ee 242 measurementStatus = VL53L1_RANGESTATUS_XTALK_SIGNAL_FAIL;
jvfausto 0:03b7e8deb3ee 243 break;
jvfausto 0:03b7e8deb3ee 244 case VL53L1_DEVICEERROR_MINCLIP:
jvfausto 0:03b7e8deb3ee 245 measurementStatus = VL53L1_RANGESTATUS_RANGE_VALID_MIN_RANGE_CLIPPED;
jvfausto 0:03b7e8deb3ee 246 break;
jvfausto 0:03b7e8deb3ee 247 case VL53L1_DEVICEERROR_RANGECOMPLETE:
jvfausto 0:03b7e8deb3ee 248 measurementStatus = VL53L1_RANGESTATUS_RANGE_VALID;
jvfausto 0:03b7e8deb3ee 249 break;
jvfausto 0:03b7e8deb3ee 250 default:
jvfausto 0:03b7e8deb3ee 251 measurementStatus = VL53L1_RANGESTATUS_NONE;
jvfausto 0:03b7e8deb3ee 252 }
jvfausto 4:2c3181cc4e98 253
jvfausto 0:03b7e8deb3ee 254 return measurementStatus;
jvfausto 0:03b7e8deb3ee 255 }
jvfausto 4:2c3181cc4e98 256
jvfausto 0:03b7e8deb3ee 257 uint8_t VL53L1X::readRegister(uint16_t registerAddr)
jvfausto 0:03b7e8deb3ee 258 {
jvfausto 0:03b7e8deb3ee 259 uint8_t data;
jvfausto 0:03b7e8deb3ee 260 char data_write[2];
jvfausto 0:03b7e8deb3ee 261 char data_read[1];
jvfausto 0:03b7e8deb3ee 262 data_write[0] = (registerAddr >> 8) & 0xFF; //MSB of register address
jvfausto 0:03b7e8deb3ee 263 data_write[1] = registerAddr & 0xFF; //LSB of register address
jvfausto 2:fbaee2407103 264 _i2c.write(_deviceAddress, data_write, 2,0);
jvfausto 2:fbaee2407103 265 _i2c.read(_deviceAddress,data_read,1,1);
jvfausto 0:03b7e8deb3ee 266 //Read Data from selected register
jvfausto 0:03b7e8deb3ee 267 data=data_read[0];
jvfausto 0:03b7e8deb3ee 268 return data;
jvfausto 0:03b7e8deb3ee 269 }
jvfausto 4:2c3181cc4e98 270
jvfausto 0:03b7e8deb3ee 271 uint16_t VL53L1X::readRegister16(uint16_t registerAddr)
jvfausto 0:03b7e8deb3ee 272 {
jvfausto 0:03b7e8deb3ee 273 uint8_t data_low;
jvfausto 0:03b7e8deb3ee 274 uint8_t data_high;
jvfausto 0:03b7e8deb3ee 275 uint16_t data;
jvfausto 4:2c3181cc4e98 276
jvfausto 0:03b7e8deb3ee 277 char data_write[2];
jvfausto 0:03b7e8deb3ee 278 char data_read[2];
jvfausto 0:03b7e8deb3ee 279 data_write[0] = (registerAddr >> 8) & 0xFF; //MSB of register address
jvfausto 0:03b7e8deb3ee 280 data_write[1] = registerAddr & 0xFF; //LSB of register address
jvfausto 2:fbaee2407103 281 _i2c.write(_deviceAddress, data_write, 2,0);
jvfausto 2:fbaee2407103 282 _i2c.read(_deviceAddress,data_read,2,1);
jvfausto 0:03b7e8deb3ee 283 data_high = data_read[0]; //Read Data from selected register
jvfausto 0:03b7e8deb3ee 284 data_low = data_read[1]; //Read Data from selected register
jvfausto 0:03b7e8deb3ee 285 data = (data_high << 8)|data_low;
jvfausto 4:2c3181cc4e98 286
jvfausto 0:03b7e8deb3ee 287 return data;
jvfausto 0:03b7e8deb3ee 288 }
jvfausto 4:2c3181cc4e98 289
jvfausto 0:03b7e8deb3ee 290 void VL53L1X::writeRegister(uint16_t registerAddr, uint8_t data)
jvfausto 0:03b7e8deb3ee 291 {
jvfausto 0:03b7e8deb3ee 292 char data_write[3];
jvfausto 0:03b7e8deb3ee 293 data_write[0] = (registerAddr >> 8) & 0xFF; //MSB of register address
jvfausto 0:03b7e8deb3ee 294 data_write[1] = registerAddr & 0xFF; //LSB of register address
jvfausto 0:03b7e8deb3ee 295 data_write[2] = data & 0xFF;
jvfausto 0:03b7e8deb3ee 296 _i2c.write(_deviceAddress, data_write, 3);
jvfausto 0:03b7e8deb3ee 297 }
jvfausto 4:2c3181cc4e98 298
jvfausto 0:03b7e8deb3ee 299 void VL53L1X::writeRegister16(uint16_t registerAddr, uint16_t data)
jvfausto 0:03b7e8deb3ee 300 {
jvfausto 0:03b7e8deb3ee 301 char data_write[4];
jvfausto 0:03b7e8deb3ee 302 data_write[0] = (registerAddr >> 8) & 0xFF; //MSB of register address
jvfausto 0:03b7e8deb3ee 303 data_write[1] = registerAddr & 0xFF; //LSB of register address
jvfausto 0:03b7e8deb3ee 304 data_write[2] = (data >> 8) & 0xFF;
jvfausto 0:03b7e8deb3ee 305 data_write[3] = data & 0xFF;
jvfausto 0:03b7e8deb3ee 306 _i2c.write(_deviceAddress, data_write, 4);
jvfausto 4:2c3181cc4e98 307 }
jvfausto 4:2c3181cc4e98 308