Kenji Arai
use VL6180XA1 chip wothout X-NUCLEO-6180XA1 Board. Simple way to use the chip.
Dependents: Check_VL6180XA1_ToF
Fork of
X_NUCLEO_6180XA1
by 
ST
VL6180X.cpp@60:972b4898a007, 2018-02-01 (annotated)
- Committer:
- kenjiArai
- Date:
- Thu Feb 01 12:05:43 2018 +0000
- Revision:
- 60:972b4898a007
- Parent:
- 59:81afbb75311d
more simple / delete DevI2C and others
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| Davidroid | 57:fa4c622b04a7 | 1 | /** |
| Davidroid | 57:fa4c622b04a7 | 2 | ****************************************************************************** |
| Davidroid | 57:fa4c622b04a7 | 3 | * @file VL6180X.cpp |
| Davidroid | 57:fa4c622b04a7 | 4 | * @author AST / EST |
| Davidroid | 57:fa4c622b04a7 | 5 | * @version V0.0.1 |
| Davidroid | 57:fa4c622b04a7 | 6 | * @date 14-April-2015 |
| Davidroid | 57:fa4c622b04a7 | 7 | * @brief Implementation file for the HTS221 driver class |
| Davidroid | 57:fa4c622b04a7 | 8 | ****************************************************************************** |
| Davidroid | 57:fa4c622b04a7 | 9 | * @attention |
| Davidroid | 57:fa4c622b04a7 | 10 | * |
| Davidroid | 57:fa4c622b04a7 | 11 | * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2> |
| Davidroid | 57:fa4c622b04a7 | 12 | * |
| Davidroid | 57:fa4c622b04a7 | 13 | * Redistribution and use in source and binary forms, with or without modification, |
| Davidroid | 57:fa4c622b04a7 | 14 | * are permitted provided that the following conditions are met: |
| Davidroid | 57:fa4c622b04a7 | 15 | * 1. Redistributions of source code must retain the above copyright notice, |
| Davidroid | 57:fa4c622b04a7 | 16 | * this list of conditions and the following disclaimer. |
| Davidroid | 57:fa4c622b04a7 | 17 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
| Davidroid | 57:fa4c622b04a7 | 18 | * this list of conditions and the following disclaimer in the documentation |
| Davidroid | 57:fa4c622b04a7 | 19 | * and/or other materials provided with the distribution. |
| Davidroid | 57:fa4c622b04a7 | 20 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
| Davidroid | 57:fa4c622b04a7 | 21 | * may be used to endorse or promote products derived from this software |
| Davidroid | 57:fa4c622b04a7 | 22 | * without specific prior written permission. |
| Davidroid | 57:fa4c622b04a7 | 23 | * |
| Davidroid | 57:fa4c622b04a7 | 24 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| Davidroid | 57:fa4c622b04a7 | 25 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| Davidroid | 57:fa4c622b04a7 | 26 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| Davidroid | 57:fa4c622b04a7 | 27 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
| Davidroid | 57:fa4c622b04a7 | 28 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| Davidroid | 57:fa4c622b04a7 | 29 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| Davidroid | 57:fa4c622b04a7 | 30 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| Davidroid | 57:fa4c622b04a7 | 31 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| Davidroid | 57:fa4c622b04a7 | 32 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| Davidroid | 57:fa4c622b04a7 | 33 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| Davidroid | 57:fa4c622b04a7 | 34 | * |
| Davidroid | 57:fa4c622b04a7 | 35 | ****************************************************************************** |
| Davidroid | 57:fa4c622b04a7 | 36 | */ |
| kenjiArai | 60:972b4898a007 | 37 | |
| kenjiArai | 60:972b4898a007 | 38 | //------- Feburary 1st, 2018 by JH1PJL / K.Arai -------------------------------- |
| kenjiArai | 60:972b4898a007 | 39 | // Change X_NUCLEO_6180XA1 library to 6180XA1_simplest library |
| kenjiArai | 60:972b4898a007 | 40 | // modified -> all related files |
| kenjiArai | 60:972b4898a007 | 41 | //------------------------------------------------------------------------------ |
| kenjiArai | 60:972b4898a007 | 42 | |
| Davidroid | 57:fa4c622b04a7 | 43 | /* Includes */ |
| Davidroid | 57:fa4c622b04a7 | 44 | #include "VL6180X.h" |
| kenjiArai | 60:972b4898a007 | 45 | |
| kenjiArai | 60:972b4898a007 | 46 | #define VL6180X_DEV_DATA_ATTR |
| kenjiArai | 60:972b4898a007 | 47 | #define ROMABLE_DATA |
| Davidroid | 57:fa4c622b04a7 | 48 | |
| kenjiArai | 60:972b4898a007 | 49 | //-------- NOT USE FOLLOING FUNCTIONS ------------- |
| kenjiArai | 60:972b4898a007 | 50 | //void OnErrLog(void); |
| kenjiArai | 60:972b4898a007 | 51 | #define LOG_FUNCTION_START(...) (void)0 |
| kenjiArai | 60:972b4898a007 | 52 | #define LOG_FUNCTION_END(...) (void)0 |
| kenjiArai | 60:972b4898a007 | 53 | #define LOG_FUNCTION_END_FMT(...) (void)0 |
| kenjiArai | 60:972b4898a007 | 54 | #define VL6180X_ErrLog(... ) //OnErrLog() //(void)0 |
| kenjiArai | 60:972b4898a007 | 55 | |
| kenjiArai | 60:972b4898a007 | 56 | #define VL6180XDevDataGet(dev, field) (dev->Data.field) |
| kenjiArai | 60:972b4898a007 | 57 | #define VL6180XDevDataSet(dev, field, data) (dev->Data.field)=(data) |
| kenjiArai | 60:972b4898a007 | 58 | |
| Davidroid | 57:fa4c622b04a7 | 59 | /** @defgroup api_init Init functions |
| Davidroid | 57:fa4c622b04a7 | 60 | * @brief API init functions |
| Davidroid | 57:fa4c622b04a7 | 61 | * @ingroup api_hl |
| kenjiArai | 60:972b4898a007 | 62 | * @{ |
| Davidroid | 57:fa4c622b04a7 | 63 | */ |
| kenjiArai | 60:972b4898a007 | 64 | |
| kenjiArai | 60:972b4898a007 | 65 | |
| kenjiArai | 60:972b4898a007 | 66 | /****************** define for i2c configuration *******************************/ |
| kenjiArai | 60:972b4898a007 | 67 | #define TEMP_BUF_SIZE 32 |
| kenjiArai | 60:972b4898a007 | 68 | |
| Davidroid | 57:fa4c622b04a7 | 69 | /******************************************************************************/ |
| Davidroid | 57:fa4c622b04a7 | 70 | /******************************* file api.c ***********************************/ |
| kenjiArai | 60:972b4898a007 | 71 | |
| Davidroid | 57:fa4c622b04a7 | 72 | #define VL6180X_9to7Conv(x) (x) |
| kenjiArai | 60:972b4898a007 | 73 | |
| Davidroid | 57:fa4c622b04a7 | 74 | /* TODO when set all "cached" value with "default init" are updated after init from register read back */ |
| Davidroid | 57:fa4c622b04a7 | 75 | #define REFRESH_CACHED_DATA_AFTER_INIT 1 |
| kenjiArai | 60:972b4898a007 | 76 | |
| Davidroid | 57:fa4c622b04a7 | 77 | /** default value ECE factor Molecular */ |
| Davidroid | 57:fa4c622b04a7 | 78 | #define DEF_ECE_FACTOR_M 85 |
| Davidroid | 57:fa4c622b04a7 | 79 | /** default value ECE factor Denominator */ |
| Davidroid | 57:fa4c622b04a7 | 80 | #define DEF_ECE_FACTOR_D 100 |
| Davidroid | 57:fa4c622b04a7 | 81 | /** default value ALS integration time */ |
| Davidroid | 57:fa4c622b04a7 | 82 | #define DEF_INT_PEFRIOD 100 |
| Davidroid | 57:fa4c622b04a7 | 83 | /** default value ALS gain */ |
| Davidroid | 57:fa4c622b04a7 | 84 | #define DEF_ALS_GAIN 1 |
| Davidroid | 57:fa4c622b04a7 | 85 | /** default value ALS scaler */ |
| Davidroid | 57:fa4c622b04a7 | 86 | #define DEF_ALS_SCALER 1 |
| Davidroid | 57:fa4c622b04a7 | 87 | /** default value for DMAX Enbale */ |
| Davidroid | 57:fa4c622b04a7 | 88 | #define DEF_DMAX_ENABLE 1 |
| Davidroid | 57:fa4c622b04a7 | 89 | /** default ambient tuning factor %x1000 */ |
| Davidroid | 57:fa4c622b04a7 | 90 | #define DEF_AMBIENT_TUNING 80 |
| kenjiArai | 60:972b4898a007 | 91 | |
| Davidroid | 57:fa4c622b04a7 | 92 | #define LUXRES_FIX_PREC 8 |
| Davidroid | 57:fa4c622b04a7 | 93 | #define GAIN_FIX_PREC 8 /* ! if not sme as LUX_PREC then :( adjust GetLux */ |
| Davidroid | 57:fa4c622b04a7 | 94 | #define AN_GAIN_MULT (1<<GAIN_FIX_PREC) |
| kenjiArai | 60:972b4898a007 | 95 | |
| Davidroid | 57:fa4c622b04a7 | 96 | /** |
| Davidroid | 57:fa4c622b04a7 | 97 | * Als Code gain to fix point gain lookup |
| Davidroid | 57:fa4c622b04a7 | 98 | */ |
| Davidroid | 57:fa4c622b04a7 | 99 | static const uint16_t AlsGainLookUp[8] ROMABLE_DATA = { |
| kenjiArai | 60:972b4898a007 | 100 | (uint16_t)(20.0f * AN_GAIN_MULT), |
| kenjiArai | 60:972b4898a007 | 101 | (uint16_t)(10.0f * AN_GAIN_MULT), |
| kenjiArai | 60:972b4898a007 | 102 | (uint16_t)(5.0f * AN_GAIN_MULT), |
| kenjiArai | 60:972b4898a007 | 103 | (uint16_t)(2.5f * AN_GAIN_MULT), |
| kenjiArai | 60:972b4898a007 | 104 | (uint16_t)(1.67f * AN_GAIN_MULT), |
| kenjiArai | 60:972b4898a007 | 105 | (uint16_t)(1.25f * AN_GAIN_MULT), |
| kenjiArai | 60:972b4898a007 | 106 | (uint16_t)(1.0f * AN_GAIN_MULT), |
| kenjiArai | 60:972b4898a007 | 107 | (uint16_t)(40.0f * AN_GAIN_MULT), |
| Davidroid | 57:fa4c622b04a7 | 108 | }; |
| kenjiArai | 60:972b4898a007 | 109 | |
| Davidroid | 57:fa4c622b04a7 | 110 | #if VL6180X_UPSCALE_SUPPORT == 1 |
| kenjiArai | 60:972b4898a007 | 111 | #define _GetUpscale(dev, ... ) 1 |
| kenjiArai | 60:972b4898a007 | 112 | #define _SetUpscale(...) -1 |
| kenjiArai | 60:972b4898a007 | 113 | #define DEF_UPSCALE 1 |
| Davidroid | 57:fa4c622b04a7 | 114 | #elif VL6180X_UPSCALE_SUPPORT == 2 |
| kenjiArai | 60:972b4898a007 | 115 | #define _GetUpscale(dev, ... ) 2 |
| kenjiArai | 60:972b4898a007 | 116 | #define _SetUpscale(...) |
| kenjiArai | 60:972b4898a007 | 117 | #define DEF_UPSCALE 2 |
| Davidroid | 57:fa4c622b04a7 | 118 | #elif VL6180X_UPSCALE_SUPPORT == 3 |
| kenjiArai | 60:972b4898a007 | 119 | #define _GetUpscale(dev, ... ) 3 |
| kenjiArai | 60:972b4898a007 | 120 | #define _SetUpscale(...) |
| kenjiArai | 60:972b4898a007 | 121 | #define DEF_UPSCALE 3 |
| Davidroid | 57:fa4c622b04a7 | 122 | #else |
| kenjiArai | 60:972b4898a007 | 123 | #define DEF_UPSCALE (-(VL6180X_UPSCALE_SUPPORT)) |
| kenjiArai | 60:972b4898a007 | 124 | #define _GetUpscale(dev, ... ) VL6180XDevDataGet(dev, UpscaleFactor) |
| kenjiArai | 60:972b4898a007 | 125 | #define _SetUpscale(dev, Scaling ) VL6180XDevDataSet(dev, UpscaleFactor, Scaling) |
| Davidroid | 57:fa4c622b04a7 | 126 | #endif |
| kenjiArai | 60:972b4898a007 | 127 | |
| Davidroid | 57:fa4c622b04a7 | 128 | #define Fix7_2_KCPs(x) ((((uint32_t)(x))*1000)>>7) |
| kenjiArai | 60:972b4898a007 | 129 | |
| kenjiArai | 60:972b4898a007 | 130 | int VL6180X::VL6180X_WaitDeviceBooted(VL6180XDev_t dev) |
| kenjiArai | 60:972b4898a007 | 131 | { |
| Davidroid | 57:fa4c622b04a7 | 132 | uint8_t FreshOutReset=0; |
| Davidroid | 57:fa4c622b04a7 | 133 | int status; |
| Davidroid | 57:fa4c622b04a7 | 134 | LOG_FUNCTION_START(""); |
| kenjiArai | 60:972b4898a007 | 135 | do { |
| Davidroid | 57:fa4c622b04a7 | 136 | status = VL6180X_RdByte(dev,SYSTEM_FRESH_OUT_OF_RESET, &FreshOutReset); |
| kenjiArai | 60:972b4898a007 | 137 | } while( FreshOutReset!=1 && status==0); |
| Davidroid | 57:fa4c622b04a7 | 138 | LOG_FUNCTION_END(status); |
| Davidroid | 57:fa4c622b04a7 | 139 | return status; |
| Davidroid | 57:fa4c622b04a7 | 140 | } |
| kenjiArai | 60:972b4898a007 | 141 | |
| kenjiArai | 60:972b4898a007 | 142 | int VL6180X::VL6180X_InitData(VL6180XDev_t dev) |
| kenjiArai | 60:972b4898a007 | 143 | { |
| Davidroid | 57:fa4c622b04a7 | 144 | int status, dmax_status ; |
| Davidroid | 57:fa4c622b04a7 | 145 | int8_t offset; |
| Davidroid | 57:fa4c622b04a7 | 146 | uint8_t FreshOutReset; |
| Davidroid | 57:fa4c622b04a7 | 147 | uint32_t CalValue; |
| Davidroid | 57:fa4c622b04a7 | 148 | uint16_t u16; |
| Davidroid | 57:fa4c622b04a7 | 149 | uint32_t XTalkCompRate_KCps; |
| kenjiArai | 60:972b4898a007 | 150 | |
| Davidroid | 57:fa4c622b04a7 | 151 | LOG_FUNCTION_START(""); |
| kenjiArai | 60:972b4898a007 | 152 | |
| Davidroid | 57:fa4c622b04a7 | 153 | VL6180XDevDataSet(dev, EceFactorM , DEF_ECE_FACTOR_M); |
| Davidroid | 57:fa4c622b04a7 | 154 | VL6180XDevDataSet(dev, EceFactorD , DEF_ECE_FACTOR_D); |
| kenjiArai | 60:972b4898a007 | 155 | |
| Davidroid | 57:fa4c622b04a7 | 156 | #ifdef VL6180X_HAVE_UPSCALE_DATA |
| Davidroid | 57:fa4c622b04a7 | 157 | VL6180XDevDataSet(dev, UpscaleFactor , DEF_UPSCALE); |
| Davidroid | 57:fa4c622b04a7 | 158 | #endif |
| kenjiArai | 60:972b4898a007 | 159 | |
| Davidroid | 57:fa4c622b04a7 | 160 | #ifdef VL6180X_HAVE_ALS_DATA |
| Davidroid | 57:fa4c622b04a7 | 161 | VL6180XDevDataSet(dev, IntegrationPeriod, DEF_INT_PEFRIOD); |
| Davidroid | 57:fa4c622b04a7 | 162 | VL6180XDevDataSet(dev, AlsGainCode, DEF_ALS_GAIN); |
| Davidroid | 57:fa4c622b04a7 | 163 | VL6180XDevDataSet(dev, AlsScaler, DEF_ALS_SCALER); |
| Davidroid | 57:fa4c622b04a7 | 164 | #endif |
| kenjiArai | 60:972b4898a007 | 165 | do { |
| kenjiArai | 60:972b4898a007 | 166 | |
| Davidroid | 57:fa4c622b04a7 | 167 | /* backup offset initial value from nvm these must be done prior any over call that use offset */ |
| Davidroid | 57:fa4c622b04a7 | 168 | status = VL6180X::VL6180X_RdByte(dev,SYSRANGE_PART_TO_PART_RANGE_OFFSET, (uint8_t*)&offset); |
| kenjiArai | 60:972b4898a007 | 169 | if( status ) { |
| Davidroid | 57:fa4c622b04a7 | 170 | VL6180X_ErrLog("SYSRANGE_PART_TO_PART_RANGE_OFFSET rd fail"); |
| Davidroid | 57:fa4c622b04a7 | 171 | break; |
| Davidroid | 57:fa4c622b04a7 | 172 | } |
| Davidroid | 57:fa4c622b04a7 | 173 | VL6180XDevDataSet(dev, Part2PartOffsetNVM, offset); |
| kenjiArai | 60:972b4898a007 | 174 | |
| Davidroid | 57:fa4c622b04a7 | 175 | status=VL6180X_RdDWord( dev, SYSRANGE_RANGE_IGNORE_THRESHOLD, &CalValue); |
| kenjiArai | 60:972b4898a007 | 176 | if( status ) { |
| Davidroid | 57:fa4c622b04a7 | 177 | VL6180X_ErrLog("Part2PartAmbNVM rd fail"); |
| Davidroid | 57:fa4c622b04a7 | 178 | break; |
| Davidroid | 57:fa4c622b04a7 | 179 | } |
| kenjiArai | 60:972b4898a007 | 180 | if( (CalValue&0xFFFF0000) == 0 ) { |
| Davidroid | 57:fa4c622b04a7 | 181 | CalValue=0x00CE03F8; |
| Davidroid | 57:fa4c622b04a7 | 182 | } |
| Davidroid | 57:fa4c622b04a7 | 183 | VL6180XDevDataSet(dev, Part2PartAmbNVM, CalValue); |
| kenjiArai | 60:972b4898a007 | 184 | |
| Davidroid | 57:fa4c622b04a7 | 185 | status = VL6180X_RdWord(dev, SYSRANGE_CROSSTALK_COMPENSATION_RATE ,&u16); |
| kenjiArai | 60:972b4898a007 | 186 | if( status) { |
| Davidroid | 57:fa4c622b04a7 | 187 | VL6180X_ErrLog("SYSRANGE_CROSSTALK_COMPENSATION_RATE rd fail "); |
| Davidroid | 57:fa4c622b04a7 | 188 | break; |
| Davidroid | 57:fa4c622b04a7 | 189 | } |
| Davidroid | 57:fa4c622b04a7 | 190 | XTalkCompRate_KCps = Fix7_2_KCPs(u16); |
| Davidroid | 57:fa4c622b04a7 | 191 | VL6180XDevDataSet(dev, XTalkCompRate_KCps , XTalkCompRate_KCps ); |
| Davidroid | 57:fa4c622b04a7 | 192 | /* Read or wait for fresh out of reset */ |
| Davidroid | 57:fa4c622b04a7 | 193 | status = VL6180X_RdByte(dev,SYSTEM_FRESH_OUT_OF_RESET, &FreshOutReset); |
| Davidroid | 57:fa4c622b04a7 | 194 | if( status ) { |
| Davidroid | 57:fa4c622b04a7 | 195 | VL6180X_ErrLog("SYSTEM_FRESH_OUT_OF_RESET rd fail"); |
| Davidroid | 57:fa4c622b04a7 | 196 | break; |
| Davidroid | 57:fa4c622b04a7 | 197 | } |
| Davidroid | 57:fa4c622b04a7 | 198 | if( FreshOutReset!= 1 || dmax_status ) |
| Davidroid | 57:fa4c622b04a7 | 199 | status = CALIBRATION_WARNING; |
| kenjiArai | 60:972b4898a007 | 200 | |
| kenjiArai | 60:972b4898a007 | 201 | } while(0); |
| kenjiArai | 60:972b4898a007 | 202 | |
| Davidroid | 57:fa4c622b04a7 | 203 | LOG_FUNCTION_END(status); |
| Davidroid | 57:fa4c622b04a7 | 204 | return status; |
| Davidroid | 57:fa4c622b04a7 | 205 | } |
| kenjiArai | 60:972b4898a007 | 206 | |
| kenjiArai | 60:972b4898a007 | 207 | int VL6180X::VL6180X_StaticInit(VL6180XDev_t dev) |
| kenjiArai | 60:972b4898a007 | 208 | { |
| Davidroid | 57:fa4c622b04a7 | 209 | int status=0, init_status; |
| Davidroid | 57:fa4c622b04a7 | 210 | LOG_FUNCTION_START(""); |
| kenjiArai | 60:972b4898a007 | 211 | |
| kenjiArai | 60:972b4898a007 | 212 | if( _GetUpscale(dev) == 1 ) |
| Davidroid | 57:fa4c622b04a7 | 213 | init_status=VL6180X_RangeStaticInit(dev); |
| kenjiArai | 60:972b4898a007 | 214 | |
| kenjiArai | 60:972b4898a007 | 215 | if( init_status <0 ) { |
| Davidroid | 57:fa4c622b04a7 | 216 | VL6180X_ErrLog("StaticInit fail"); |
| Davidroid | 57:fa4c622b04a7 | 217 | goto error; |
| kenjiArai | 60:972b4898a007 | 218 | } else if(init_status > 0) { |
| Davidroid | 57:fa4c622b04a7 | 219 | VL6180X_ErrLog("StaticInit warning"); |
| Davidroid | 57:fa4c622b04a7 | 220 | } |
| kenjiArai | 60:972b4898a007 | 221 | |
| Davidroid | 57:fa4c622b04a7 | 222 | #if REFRESH_CACHED_DATA_AFTER_INIT |
| Davidroid | 57:fa4c622b04a7 | 223 | /* update cached value after tuning applied */ |
| kenjiArai | 60:972b4898a007 | 224 | do { |
| Davidroid | 57:fa4c622b04a7 | 225 | #ifdef VL6180X_HAVE_ALS_DATA |
| Davidroid | 57:fa4c622b04a7 | 226 | uint8_t data; |
| Davidroid | 57:fa4c622b04a7 | 227 | status= VL6180X_RdByte(dev, FW_ALS_RESULT_SCALER, &data); |
| Davidroid | 57:fa4c622b04a7 | 228 | if( status ) break; |
| Davidroid | 57:fa4c622b04a7 | 229 | VL6180XDevDataSet(dev, AlsScaler, data); |
| kenjiArai | 60:972b4898a007 | 230 | |
| Davidroid | 57:fa4c622b04a7 | 231 | status= VL6180X_RdByte(dev, SYSALS_ANALOGUE_GAIN, &data); |
| Davidroid | 57:fa4c622b04a7 | 232 | if( status ) break; |
| Davidroid | 57:fa4c622b04a7 | 233 | VL6180X_AlsSetAnalogueGain(dev, data); |
| Davidroid | 57:fa4c622b04a7 | 234 | #endif |
| kenjiArai | 60:972b4898a007 | 235 | } while(0); |
| Davidroid | 57:fa4c622b04a7 | 236 | #endif /* REFRESH_CACHED_DATA_AFTER_INIT */ |
| kenjiArai | 60:972b4898a007 | 237 | if( status < 0 ) { |
| Davidroid | 57:fa4c622b04a7 | 238 | VL6180X_ErrLog("StaticInit fail"); |
| Davidroid | 57:fa4c622b04a7 | 239 | } |
| kenjiArai | 60:972b4898a007 | 240 | if( !status && init_status) { |
| Davidroid | 57:fa4c622b04a7 | 241 | status = init_status; |
| Davidroid | 57:fa4c622b04a7 | 242 | } |
| Davidroid | 57:fa4c622b04a7 | 243 | error: |
| Davidroid | 57:fa4c622b04a7 | 244 | LOG_FUNCTION_END(status); |
| Davidroid | 57:fa4c622b04a7 | 245 | return status; |
| Davidroid | 57:fa4c622b04a7 | 246 | } |
| kenjiArai | 60:972b4898a007 | 247 | #if 1 |
| Davidroid | 57:fa4c622b04a7 | 248 | int VL6180X::VL6180X_SetGroupParamHold(VL6180XDev_t dev, int Hold) |
| Davidroid | 57:fa4c622b04a7 | 249 | { |
| Davidroid | 57:fa4c622b04a7 | 250 | int status; |
| Davidroid | 57:fa4c622b04a7 | 251 | uint8_t value; |
| kenjiArai | 60:972b4898a007 | 252 | |
| Davidroid | 57:fa4c622b04a7 | 253 | LOG_FUNCTION_START("%d", Hold); |
| Davidroid | 57:fa4c622b04a7 | 254 | if( Hold ) |
| Davidroid | 57:fa4c622b04a7 | 255 | value = 1; |
| Davidroid | 57:fa4c622b04a7 | 256 | else |
| Davidroid | 57:fa4c622b04a7 | 257 | value = 0; |
| Davidroid | 57:fa4c622b04a7 | 258 | status = VL6180X_WrByte(dev, SYSTEM_GROUPED_PARAMETER_HOLD, value); |
| kenjiArai | 60:972b4898a007 | 259 | |
| Davidroid | 57:fa4c622b04a7 | 260 | LOG_FUNCTION_END(status); |
| Davidroid | 57:fa4c622b04a7 | 261 | return status; |
| kenjiArai | 60:972b4898a007 | 262 | |
| Davidroid | 57:fa4c622b04a7 | 263 | } |
| kenjiArai | 60:972b4898a007 | 264 | #endif |
| Davidroid | 57:fa4c622b04a7 | 265 | int VL6180X::VL6180X_Prepare(VL6180XDev_t dev) |
| Davidroid | 57:fa4c622b04a7 | 266 | { |
| Davidroid | 57:fa4c622b04a7 | 267 | int status; |
| Davidroid | 57:fa4c622b04a7 | 268 | LOG_FUNCTION_START(""); |
| kenjiArai | 60:972b4898a007 | 269 | |
| kenjiArai | 60:972b4898a007 | 270 | do { |
| Davidroid | 57:fa4c622b04a7 | 271 | status=VL6180X_StaticInit(dev); |
| Davidroid | 57:fa4c622b04a7 | 272 | if( status<0) break; |
| kenjiArai | 60:972b4898a007 | 273 | |
| Davidroid | 57:fa4c622b04a7 | 274 | /* set default threshold */ |
| Davidroid | 57:fa4c622b04a7 | 275 | status=VL6180X_RangeSetRawThresholds(dev, 10, 200); |
| kenjiArai | 60:972b4898a007 | 276 | if( status ) { |
| Davidroid | 57:fa4c622b04a7 | 277 | VL6180X_ErrLog("VL6180X_RangeSetRawThresholds fail"); |
| Davidroid | 57:fa4c622b04a7 | 278 | break; |
| Davidroid | 57:fa4c622b04a7 | 279 | } |
| Davidroid | 57:fa4c622b04a7 | 280 | #if VL6180X_ALS_SUPPORT |
| Davidroid | 57:fa4c622b04a7 | 281 | status =VL6180X_AlsSetIntegrationPeriod(dev, 100); |
| Davidroid | 57:fa4c622b04a7 | 282 | if( status ) break; |
| Davidroid | 57:fa4c622b04a7 | 283 | status = VL6180X_AlsSetInterMeasurementPeriod(dev, 200); |
| Davidroid | 57:fa4c622b04a7 | 284 | if( status ) break; |
| Davidroid | 57:fa4c622b04a7 | 285 | status = VL6180X_AlsSetAnalogueGain(dev, 0); |
| Davidroid | 57:fa4c622b04a7 | 286 | if( status ) break; |
| Davidroid | 57:fa4c622b04a7 | 287 | status = VL6180X_AlsSetThresholds(dev, 0, 0xFFFF); |
| Davidroid | 57:fa4c622b04a7 | 288 | if( status ) break; |
| Davidroid | 57:fa4c622b04a7 | 289 | #endif |
| kenjiArai | 60:972b4898a007 | 290 | } while(0); |
| Davidroid | 57:fa4c622b04a7 | 291 | LOG_FUNCTION_END(status); |
| kenjiArai | 60:972b4898a007 | 292 | |
| Davidroid | 57:fa4c622b04a7 | 293 | return status; |
| Davidroid | 57:fa4c622b04a7 | 294 | } |
| kenjiArai | 60:972b4898a007 | 295 | |
| Davidroid | 57:fa4c622b04a7 | 296 | #if VL6180X_ALS_SUPPORT |
| Davidroid | 57:fa4c622b04a7 | 297 | int VL6180X::VL6180X_AlsGetLux(VL6180XDev_t dev, lux_t *pLux) |
| Davidroid | 57:fa4c622b04a7 | 298 | { |
| Davidroid | 57:fa4c622b04a7 | 299 | int status; |
| Davidroid | 57:fa4c622b04a7 | 300 | uint16_t RawAls; |
| Davidroid | 57:fa4c622b04a7 | 301 | uint32_t luxValue = 0; |
| Davidroid | 57:fa4c622b04a7 | 302 | uint32_t IntPeriod; |
| Davidroid | 57:fa4c622b04a7 | 303 | uint32_t AlsAnGain; |
| Davidroid | 57:fa4c622b04a7 | 304 | uint32_t GainFix; |
| Davidroid | 57:fa4c622b04a7 | 305 | uint32_t AlsScaler; |
| kenjiArai | 60:972b4898a007 | 306 | |
| Davidroid | 57:fa4c622b04a7 | 307 | #if LUXRES_FIX_PREC != GAIN_FIX_PREC |
| Davidroid | 57:fa4c622b04a7 | 308 | #error "LUXRES_FIX_PREC != GAIN_FIX_PREC review these code to be correct" |
| Davidroid | 57:fa4c622b04a7 | 309 | #endif |
| Davidroid | 57:fa4c622b04a7 | 310 | const uint32_t LuxResxIntIme =(uint32_t)(0.56f* DEF_INT_PEFRIOD *(1<<LUXRES_FIX_PREC)); |
| kenjiArai | 60:972b4898a007 | 311 | |
| Davidroid | 57:fa4c622b04a7 | 312 | LOG_FUNCTION_START("%p", pLux); |
| kenjiArai | 60:972b4898a007 | 313 | |
| Davidroid | 57:fa4c622b04a7 | 314 | status = VL6180X_RdWord( dev, RESULT_ALS_VAL, &RawAls); |
| kenjiArai | 60:972b4898a007 | 315 | if( !status) { |
| Davidroid | 57:fa4c622b04a7 | 316 | /* wer are yet here at no fix point */ |
| Davidroid | 57:fa4c622b04a7 | 317 | IntPeriod=VL6180XDevDataGet(dev, IntegrationPeriod); |
| Davidroid | 57:fa4c622b04a7 | 318 | AlsScaler=VL6180XDevDataGet(dev, AlsScaler); |
| Davidroid | 57:fa4c622b04a7 | 319 | IntPeriod++; /* what stored is real time ms -1 and it can be 0 for or 0 or 1ms */ |
| Davidroid | 57:fa4c622b04a7 | 320 | luxValue = (uint32_t)RawAls * LuxResxIntIme; /* max # 16+8bits + 6bit (0.56*100) */ |
| Davidroid | 57:fa4c622b04a7 | 321 | luxValue /= IntPeriod; /* max # 16+8bits + 6bit 16+8+1 to 9 bit */ |
| Davidroid | 57:fa4c622b04a7 | 322 | /* between 29 - 21 bit */ |
| Davidroid | 57:fa4c622b04a7 | 323 | AlsAnGain = VL6180XDevDataGet(dev, AlsGainCode); |
| Davidroid | 57:fa4c622b04a7 | 324 | GainFix = AlsGainLookUp[AlsAnGain]; |
| Davidroid | 57:fa4c622b04a7 | 325 | luxValue = luxValue / (AlsScaler * GainFix); |
| Davidroid | 57:fa4c622b04a7 | 326 | *pLux=luxValue; |
| Davidroid | 57:fa4c622b04a7 | 327 | } |
| kenjiArai | 60:972b4898a007 | 328 | |
| Davidroid | 57:fa4c622b04a7 | 329 | LOG_FUNCTION_END_FMT(status, "%x",(int)*pLux); |
| Davidroid | 57:fa4c622b04a7 | 330 | return status; |
| Davidroid | 57:fa4c622b04a7 | 331 | } |
| kenjiArai | 60:972b4898a007 | 332 | |
| kenjiArai | 60:972b4898a007 | 333 | int VL6180X::VL6180X_AlsWaitDeviceReady(VL6180XDev_t dev, int MaxLoop ) |
| Davidroid | 57:fa4c622b04a7 | 334 | { |
| Davidroid | 57:fa4c622b04a7 | 335 | int status; |
| Davidroid | 57:fa4c622b04a7 | 336 | int n; |
| Davidroid | 57:fa4c622b04a7 | 337 | uint8_t u8; |
| Davidroid | 57:fa4c622b04a7 | 338 | LOG_FUNCTION_START("%d", (int)MaxLoop); |
| kenjiArai | 60:972b4898a007 | 339 | if( MaxLoop<1) { |
| kenjiArai | 60:972b4898a007 | 340 | status=INVALID_PARAMS; |
| kenjiArai | 60:972b4898a007 | 341 | } else { |
| kenjiArai | 60:972b4898a007 | 342 | for( n=0; n < MaxLoop ; n++) { |
| Davidroid | 57:fa4c622b04a7 | 343 | status=VL6180X_RdByte(dev, RESULT_ALS_STATUS, &u8); |
| Davidroid | 57:fa4c622b04a7 | 344 | if( status) |
| Davidroid | 57:fa4c622b04a7 | 345 | break; |
| Davidroid | 57:fa4c622b04a7 | 346 | u8 = u8 & ALS_DEVICE_READY_MASK; |
| Davidroid | 57:fa4c622b04a7 | 347 | if( u8 ) |
| Davidroid | 57:fa4c622b04a7 | 348 | break; |
| kenjiArai | 60:972b4898a007 | 349 | |
| Davidroid | 57:fa4c622b04a7 | 350 | } |
| kenjiArai | 60:972b4898a007 | 351 | if( !status && !u8 ) { |
| Davidroid | 57:fa4c622b04a7 | 352 | status = TIME_OUT; |
| Davidroid | 57:fa4c622b04a7 | 353 | } |
| Davidroid | 57:fa4c622b04a7 | 354 | } |
| Davidroid | 57:fa4c622b04a7 | 355 | LOG_FUNCTION_END(status); |
| Davidroid | 57:fa4c622b04a7 | 356 | return status; |
| Davidroid | 57:fa4c622b04a7 | 357 | } |
| kenjiArai | 60:972b4898a007 | 358 | |
| Davidroid | 57:fa4c622b04a7 | 359 | int VL6180X::VL6180X_AlsSetSystemMode(VL6180XDev_t dev, uint8_t mode) |
| Davidroid | 57:fa4c622b04a7 | 360 | { |
| Davidroid | 57:fa4c622b04a7 | 361 | int status; |
| Davidroid | 57:fa4c622b04a7 | 362 | LOG_FUNCTION_START("%d", (int)mode); |
| Davidroid | 57:fa4c622b04a7 | 363 | /* FIXME if we are called back to back real fast we are not checking |
| Davidroid | 57:fa4c622b04a7 | 364 | * if previous mode "set" got absorbed => bit 0 must be 0 so that wr 1 work */ |
| kenjiArai | 60:972b4898a007 | 365 | if( mode <= 3) { |
| Davidroid | 57:fa4c622b04a7 | 366 | status=VL6180X_WrByte(dev, SYSALS_START, mode); |
| kenjiArai | 60:972b4898a007 | 367 | } else { |
| Davidroid | 57:fa4c622b04a7 | 368 | status = INVALID_PARAMS; |
| Davidroid | 57:fa4c622b04a7 | 369 | } |
| Davidroid | 57:fa4c622b04a7 | 370 | LOG_FUNCTION_END(status); |
| Davidroid | 57:fa4c622b04a7 | 371 | return status; |
| Davidroid | 57:fa4c622b04a7 | 372 | } |
| kenjiArai | 60:972b4898a007 | 373 | |
| kenjiArai | 60:972b4898a007 | 374 | int VL6180X::VL6180X_AlsSetThresholds(VL6180XDev_t dev, uint16_t low, uint16_t high) |
| Davidroid | 57:fa4c622b04a7 | 375 | { |
| Davidroid | 57:fa4c622b04a7 | 376 | int status; |
| Davidroid | 57:fa4c622b04a7 | 377 | |
| Davidroid | 57:fa4c622b04a7 | 378 | LOG_FUNCTION_START("%d %d", (int )low, (int)high); |
| Davidroid | 57:fa4c622b04a7 | 379 | |
| Davidroid | 57:fa4c622b04a7 | 380 | status = VL6180X_WrWord(dev, SYSALS_THRESH_LOW, low); |
| kenjiArai | 60:972b4898a007 | 381 | if(!status ) { |
| Davidroid | 57:fa4c622b04a7 | 382 | status = VL6180X_WrWord(dev, SYSALS_THRESH_HIGH, high); |
| Davidroid | 57:fa4c622b04a7 | 383 | } |
| Davidroid | 57:fa4c622b04a7 | 384 | |
| Davidroid | 57:fa4c622b04a7 | 385 | LOG_FUNCTION_END(status) ; |
| Davidroid | 57:fa4c622b04a7 | 386 | return status; |
| Davidroid | 57:fa4c622b04a7 | 387 | } |
| Davidroid | 57:fa4c622b04a7 | 388 | |
| kenjiArai | 60:972b4898a007 | 389 | int VL6180X::VL6180X_AlsSetAnalogueGain(VL6180XDev_t dev, uint8_t gain) |
| kenjiArai | 60:972b4898a007 | 390 | { |
| Davidroid | 57:fa4c622b04a7 | 391 | int status; |
| Davidroid | 57:fa4c622b04a7 | 392 | uint8_t GainTotal; |
| kenjiArai | 60:972b4898a007 | 393 | |
| Davidroid | 57:fa4c622b04a7 | 394 | LOG_FUNCTION_START("%d", (int )gain); |
| Davidroid | 57:fa4c622b04a7 | 395 | gain&=~0x40; |
| Davidroid | 57:fa4c622b04a7 | 396 | if (gain > 7) { |
| Davidroid | 57:fa4c622b04a7 | 397 | gain = 7; |
| Davidroid | 57:fa4c622b04a7 | 398 | } |
| Davidroid | 57:fa4c622b04a7 | 399 | GainTotal = gain|0x40; |
| kenjiArai | 60:972b4898a007 | 400 | |
| Davidroid | 57:fa4c622b04a7 | 401 | status = VL6180X_WrByte(dev, SYSALS_ANALOGUE_GAIN, GainTotal); |
| kenjiArai | 60:972b4898a007 | 402 | if( !status) { |
| Davidroid | 57:fa4c622b04a7 | 403 | VL6180XDevDataSet(dev, AlsGainCode, gain); |
| Davidroid | 57:fa4c622b04a7 | 404 | } |
| kenjiArai | 60:972b4898a007 | 405 | |
| Davidroid | 57:fa4c622b04a7 | 406 | LOG_FUNCTION_END_FMT(status, "%d %d", (int ) gain, (int )GainTotal); |
| Davidroid | 57:fa4c622b04a7 | 407 | return status; |
| Davidroid | 57:fa4c622b04a7 | 408 | } |
| kenjiArai | 60:972b4898a007 | 409 | |
| Davidroid | 57:fa4c622b04a7 | 410 | int VL6180X::VL6180X_AlsSetInterMeasurementPeriod(VL6180XDev_t dev, uint16_t intermeasurement_period_ms) |
| Davidroid | 57:fa4c622b04a7 | 411 | { |
| Davidroid | 57:fa4c622b04a7 | 412 | int status; |
| kenjiArai | 60:972b4898a007 | 413 | |
| Davidroid | 57:fa4c622b04a7 | 414 | LOG_FUNCTION_START("%d",(int)intermeasurement_period_ms); |
| kenjiArai | 60:972b4898a007 | 415 | /* clipping: range is 0-2550ms */ |
| kenjiArai | 60:972b4898a007 | 416 | if (intermeasurement_period_ms >= 255 *10) |
| kenjiArai | 60:972b4898a007 | 417 | intermeasurement_period_ms = 255 *10; |
| Davidroid | 57:fa4c622b04a7 | 418 | status=VL6180X_WrByte(dev, SYSALS_INTERMEASUREMENT_PERIOD, (uint8_t)(intermeasurement_period_ms/10)); |
| kenjiArai | 60:972b4898a007 | 419 | |
| Davidroid | 57:fa4c622b04a7 | 420 | LOG_FUNCTION_END_FMT(status, "%d", (int) intermeasurement_period_ms); |
| Davidroid | 57:fa4c622b04a7 | 421 | return status; |
| Davidroid | 57:fa4c622b04a7 | 422 | } |
| kenjiArai | 60:972b4898a007 | 423 | |
| Davidroid | 57:fa4c622b04a7 | 424 | int VL6180X::VL6180X_AlsSetIntegrationPeriod(VL6180XDev_t dev, uint16_t period_ms) |
| Davidroid | 57:fa4c622b04a7 | 425 | { |
| Davidroid | 57:fa4c622b04a7 | 426 | int status; |
| Davidroid | 57:fa4c622b04a7 | 427 | uint16_t SetIntegrationPeriod; |
| kenjiArai | 60:972b4898a007 | 428 | |
| Davidroid | 57:fa4c622b04a7 | 429 | LOG_FUNCTION_START("%d", (int)period_ms); |
| kenjiArai | 60:972b4898a007 | 430 | |
| Davidroid | 57:fa4c622b04a7 | 431 | if( period_ms>=1 ) |
| Davidroid | 57:fa4c622b04a7 | 432 | SetIntegrationPeriod = period_ms - 1; |
| Davidroid | 57:fa4c622b04a7 | 433 | else |
| Davidroid | 57:fa4c622b04a7 | 434 | SetIntegrationPeriod = period_ms; |
| kenjiArai | 60:972b4898a007 | 435 | |
| Davidroid | 57:fa4c622b04a7 | 436 | if (SetIntegrationPeriod > 464) { |
| Davidroid | 57:fa4c622b04a7 | 437 | SetIntegrationPeriod = 464; |
| kenjiArai | 60:972b4898a007 | 438 | } else if (SetIntegrationPeriod == 255) { |
| Davidroid | 57:fa4c622b04a7 | 439 | SetIntegrationPeriod++; /* can't write 255 since this causes the device to lock out.*/ |
| Davidroid | 57:fa4c622b04a7 | 440 | } |
| kenjiArai | 60:972b4898a007 | 441 | |
| Davidroid | 57:fa4c622b04a7 | 442 | status =VL6180X_WrWord(dev, SYSALS_INTEGRATION_PERIOD, SetIntegrationPeriod); |
| kenjiArai | 60:972b4898a007 | 443 | if( !status ) { |
| Davidroid | 57:fa4c622b04a7 | 444 | VL6180XDevDataSet(dev, IntegrationPeriod, SetIntegrationPeriod) ; |
| Davidroid | 57:fa4c622b04a7 | 445 | } |
| Davidroid | 57:fa4c622b04a7 | 446 | LOG_FUNCTION_END_FMT(status, "%d", (int)SetIntegrationPeriod); |
| Davidroid | 57:fa4c622b04a7 | 447 | return status; |
| Davidroid | 57:fa4c622b04a7 | 448 | } |
| kenjiArai | 60:972b4898a007 | 449 | |
| Davidroid | 57:fa4c622b04a7 | 450 | #endif /* HAVE_ALS_SUPPORT */ |
| kenjiArai | 60:972b4898a007 | 451 | |
| kenjiArai | 60:972b4898a007 | 452 | int VL6180X::VL6180X_RangeGetResult(VL6180XDev_t dev, uint32_t *pRange_mm) |
| Davidroid | 57:fa4c622b04a7 | 453 | { |
| Davidroid | 57:fa4c622b04a7 | 454 | int status; |
| Davidroid | 57:fa4c622b04a7 | 455 | uint8_t RawRange; |
| Davidroid | 57:fa4c622b04a7 | 456 | int32_t Upscale; |
| kenjiArai | 60:972b4898a007 | 457 | |
| Davidroid | 57:fa4c622b04a7 | 458 | LOG_FUNCTION_START("%p",pRange_mm); |
| kenjiArai | 60:972b4898a007 | 459 | |
| Davidroid | 57:fa4c622b04a7 | 460 | status = VL6180X_RdByte(dev, RESULT_RANGE_VAL, &RawRange); |
| kenjiArai | 60:972b4898a007 | 461 | if( !status ) { |
| kenjiArai | 60:972b4898a007 | 462 | Upscale = _GetUpscale(dev); |
| Davidroid | 57:fa4c622b04a7 | 463 | *pRange_mm= Upscale*(int32_t)RawRange; |
| Davidroid | 57:fa4c622b04a7 | 464 | } |
| Davidroid | 57:fa4c622b04a7 | 465 | LOG_FUNCTION_END_FMT(status, "%d", (int)*pRange_mm); |
| Davidroid | 57:fa4c622b04a7 | 466 | return status; |
| Davidroid | 57:fa4c622b04a7 | 467 | } |
| kenjiArai | 60:972b4898a007 | 468 | |
| Davidroid | 57:fa4c622b04a7 | 469 | int VL6180X::VL6180X_RangeSetRawThresholds(VL6180XDev_t dev, uint8_t low, uint8_t high) |
| Davidroid | 57:fa4c622b04a7 | 470 | { |
| Davidroid | 57:fa4c622b04a7 | 471 | int status; |
| Davidroid | 57:fa4c622b04a7 | 472 | LOG_FUNCTION_START("%d %d", (int) low, (int)high); |
| Davidroid | 57:fa4c622b04a7 | 473 | /* TODO we can optimize here grouping high/low in a word but that's cpu endianness dependent */ |
| Davidroid | 57:fa4c622b04a7 | 474 | status=VL6180X_WrByte(dev, SYSRANGE_THRESH_HIGH,high); |
| kenjiArai | 60:972b4898a007 | 475 | if( !status) { |
| Davidroid | 57:fa4c622b04a7 | 476 | status=VL6180X_WrByte(dev, SYSRANGE_THRESH_LOW, low); |
| Davidroid | 57:fa4c622b04a7 | 477 | } |
| kenjiArai | 60:972b4898a007 | 478 | |
| Davidroid | 57:fa4c622b04a7 | 479 | LOG_FUNCTION_END(status); |
| Davidroid | 57:fa4c622b04a7 | 480 | return status; |
| Davidroid | 57:fa4c622b04a7 | 481 | } |
| kenjiArai | 60:972b4898a007 | 482 | |
| Davidroid | 57:fa4c622b04a7 | 483 | int VL6180X::VL6180X_RangeStaticInit(VL6180XDev_t dev) |
| Davidroid | 57:fa4c622b04a7 | 484 | { |
| Davidroid | 57:fa4c622b04a7 | 485 | int status; |
| Davidroid | 57:fa4c622b04a7 | 486 | LOG_FUNCTION_START(""); |
| kenjiArai | 60:972b4898a007 | 487 | |
| Davidroid | 57:fa4c622b04a7 | 488 | /* REGISTER_TUNING_SR03_270514_CustomerView.txt */ |
| Davidroid | 57:fa4c622b04a7 | 489 | VL6180X_WrByte( dev, 0x0207, 0x01); |
| Davidroid | 57:fa4c622b04a7 | 490 | VL6180X_WrByte( dev, 0x0208, 0x01); |
| Davidroid | 57:fa4c622b04a7 | 491 | VL6180X_WrByte( dev, 0x0096, 0x00); |
| Davidroid | 57:fa4c622b04a7 | 492 | VL6180X_WrByte( dev, 0x0097, 0xfd); |
| Davidroid | 57:fa4c622b04a7 | 493 | VL6180X_WrByte( dev, 0x00e3, 0x00); |
| Davidroid | 57:fa4c622b04a7 | 494 | VL6180X_WrByte( dev, 0x00e4, 0x04); |
| Davidroid | 57:fa4c622b04a7 | 495 | VL6180X_WrByte( dev, 0x00e5, 0x02); |
| Davidroid | 57:fa4c622b04a7 | 496 | VL6180X_WrByte( dev, 0x00e6, 0x01); |
| Davidroid | 57:fa4c622b04a7 | 497 | VL6180X_WrByte( dev, 0x00e7, 0x03); |
| Davidroid | 57:fa4c622b04a7 | 498 | VL6180X_WrByte( dev, 0x00f5, 0x02); |
| Davidroid | 57:fa4c622b04a7 | 499 | VL6180X_WrByte( dev, 0x00d9, 0x05); |
| Davidroid | 57:fa4c622b04a7 | 500 | VL6180X_WrByte( dev, 0x00db, 0xce); |
| Davidroid | 57:fa4c622b04a7 | 501 | VL6180X_WrByte( dev, 0x00dc, 0x03); |
| Davidroid | 57:fa4c622b04a7 | 502 | VL6180X_WrByte( dev, 0x00dd, 0xf8); |
| Davidroid | 57:fa4c622b04a7 | 503 | VL6180X_WrByte( dev, 0x009f, 0x00); |
| Davidroid | 57:fa4c622b04a7 | 504 | VL6180X_WrByte( dev, 0x00a3, 0x3c); |
| Davidroid | 57:fa4c622b04a7 | 505 | VL6180X_WrByte( dev, 0x00b7, 0x00); |
| Davidroid | 57:fa4c622b04a7 | 506 | VL6180X_WrByte( dev, 0x00bb, 0x3c); |
| Davidroid | 57:fa4c622b04a7 | 507 | VL6180X_WrByte( dev, 0x00b2, 0x09); |
| Davidroid | 57:fa4c622b04a7 | 508 | VL6180X_WrByte( dev, 0x00ca, 0x09); |
| Davidroid | 57:fa4c622b04a7 | 509 | VL6180X_WrByte( dev, 0x0198, 0x01); |
| Davidroid | 57:fa4c622b04a7 | 510 | VL6180X_WrByte( dev, 0x01b0, 0x17); |
| Davidroid | 57:fa4c622b04a7 | 511 | VL6180X_WrByte( dev, 0x01ad, 0x00); |
| Davidroid | 57:fa4c622b04a7 | 512 | VL6180X_WrByte( dev, 0x00ff, 0x05); |
| Davidroid | 57:fa4c622b04a7 | 513 | VL6180X_WrByte( dev, 0x0100, 0x05); |
| Davidroid | 57:fa4c622b04a7 | 514 | VL6180X_WrByte( dev, 0x0199, 0x05); |
| Davidroid | 57:fa4c622b04a7 | 515 | VL6180X_WrByte( dev, 0x01a6, 0x1b); |
| Davidroid | 57:fa4c622b04a7 | 516 | VL6180X_WrByte( dev, 0x01ac, 0x3e); |
| Davidroid | 57:fa4c622b04a7 | 517 | VL6180X_WrByte( dev, 0x01a7, 0x1f); |
| Davidroid | 57:fa4c622b04a7 | 518 | VL6180X_WrByte( dev, 0x0030, 0x00); |
| kenjiArai | 60:972b4898a007 | 519 | |
| Davidroid | 57:fa4c622b04a7 | 520 | /* Recommended : Public registers - See data sheet for more detail */ |
| Davidroid | 57:fa4c622b04a7 | 521 | VL6180X_WrByte( dev, SYSTEM_MODE_GPIO1, 0x10); /* Enables polling for New Sample ready when measurement completes */ |
| Davidroid | 57:fa4c622b04a7 | 522 | VL6180X_WrByte( dev, READOUT_AVERAGING_SAMPLE_PERIOD, 0x30); /* Set the averaging sample period (compromise between lower noise and increased execution time) */ |
| Davidroid | 57:fa4c622b04a7 | 523 | VL6180X_WrByte( dev, SYSALS_ANALOGUE_GAIN, 0x46); /* Sets the light and dark gain (upper nibble). Dark gain should not be changed.*/ |
| Davidroid | 57:fa4c622b04a7 | 524 | VL6180X_WrByte( dev, SYSRANGE_VHV_REPEAT_RATE, 0xFF); /* sets the # of range measurements after which auto calibration of system is performed */ |
| Davidroid | 57:fa4c622b04a7 | 525 | VL6180X_WrByte( dev, SYSALS_INTEGRATION_PERIOD, 0x63); /* Set ALS integration time to 100ms */ |
| Davidroid | 57:fa4c622b04a7 | 526 | VL6180X_WrByte( dev, SYSRANGE_VHV_RECALIBRATE, 0x01); /* perform a single temperature calibration of the ranging sensor */ |
| kenjiArai | 60:972b4898a007 | 527 | |
| Davidroid | 57:fa4c622b04a7 | 528 | /* Optional: Public registers - See data sheet for more detail */ |
| Davidroid | 57:fa4c622b04a7 | 529 | VL6180X_WrByte( dev, SYSRANGE_INTERMEASUREMENT_PERIOD, 0x09); /* Set default ranging inter-measurement period to 100ms */ |
| Davidroid | 57:fa4c622b04a7 | 530 | VL6180X_WrByte( dev, SYSALS_INTERMEASUREMENT_PERIOD, 0x31); /* Set default ALS inter-measurement period to 500ms */ |
| Davidroid | 57:fa4c622b04a7 | 531 | VL6180X_WrByte( dev, SYSTEM_INTERRUPT_CONFIG_GPIO, 0x24); /* Configures interrupt on New sample ready */ |
| kenjiArai | 60:972b4898a007 | 532 | |
| kenjiArai | 60:972b4898a007 | 533 | |
| Davidroid | 57:fa4c622b04a7 | 534 | status=VL6180X_RangeSetMaxConvergenceTime(dev, 50); /* Calculate ece value on initialization (use max conv) */ |
| Davidroid | 57:fa4c622b04a7 | 535 | LOG_FUNCTION_END(status); |
| kenjiArai | 60:972b4898a007 | 536 | |
| Davidroid | 57:fa4c622b04a7 | 537 | return status; |
| Davidroid | 57:fa4c622b04a7 | 538 | } |
| kenjiArai | 60:972b4898a007 | 539 | |
| kenjiArai | 60:972b4898a007 | 540 | #if VL6180X_UPSCALE_SUPPORT != 1 |
| kenjiArai | 60:972b4898a007 | 541 | |
| Davidroid | 57:fa4c622b04a7 | 542 | #else |
| Davidroid | 57:fa4c622b04a7 | 543 | #define VL6180X_UpscaleRegInit(...) -1 |
| Davidroid | 57:fa4c622b04a7 | 544 | #endif |
| kenjiArai | 60:972b4898a007 | 545 | |
| Davidroid | 57:fa4c622b04a7 | 546 | int VL6180X::VL6180X_RangeSetMaxConvergenceTime(VL6180XDev_t dev, uint8_t MaxConTime_msec) |
| Davidroid | 57:fa4c622b04a7 | 547 | { |
| Davidroid | 57:fa4c622b04a7 | 548 | int status = 0; |
| Davidroid | 57:fa4c622b04a7 | 549 | LOG_FUNCTION_START("%d",(int)MaxConTime_msec); |
| kenjiArai | 60:972b4898a007 | 550 | do { |
| Davidroid | 57:fa4c622b04a7 | 551 | status=VL6180X_WrByte(dev, SYSRANGE_MAX_CONVERGENCE_TIME, MaxConTime_msec); |
| kenjiArai | 60:972b4898a007 | 552 | if( status ) { |
| Davidroid | 57:fa4c622b04a7 | 553 | break; |
| Davidroid | 57:fa4c622b04a7 | 554 | } |
| Davidroid | 57:fa4c622b04a7 | 555 | status=VL6180X_RangeSetEarlyConvergenceEestimateThreshold(dev); |
| kenjiArai | 60:972b4898a007 | 556 | if( status) { |
| Davidroid | 57:fa4c622b04a7 | 557 | break; |
| Davidroid | 57:fa4c622b04a7 | 558 | } |
| kenjiArai | 60:972b4898a007 | 559 | } while(0); |
| Davidroid | 57:fa4c622b04a7 | 560 | LOG_FUNCTION_END(status); |
| Davidroid | 57:fa4c622b04a7 | 561 | return status; |
| Davidroid | 57:fa4c622b04a7 | 562 | } |
| kenjiArai | 60:972b4898a007 | 563 | |
| kenjiArai | 60:972b4898a007 | 564 | int VL6180X::VL6180X_RangeWaitDeviceReady(VL6180XDev_t dev, int MaxLoop ) |
| kenjiArai | 60:972b4898a007 | 565 | { |
| Davidroid | 57:fa4c622b04a7 | 566 | int status; /* if user specify an invalid <=0 loop count we'll return error */ |
| Davidroid | 57:fa4c622b04a7 | 567 | int n; |
| Davidroid | 57:fa4c622b04a7 | 568 | uint8_t u8; |
| Davidroid | 57:fa4c622b04a7 | 569 | LOG_FUNCTION_START("%d", (int)MaxLoop); |
| kenjiArai | 60:972b4898a007 | 570 | if( MaxLoop<1) { |
| Davidroid | 57:fa4c622b04a7 | 571 | status=INVALID_PARAMS; |
| kenjiArai | 60:972b4898a007 | 572 | } else { |
| kenjiArai | 60:972b4898a007 | 573 | for( n=0; n < MaxLoop ; n++) { |
| Davidroid | 57:fa4c622b04a7 | 574 | status=VL6180X_RdByte(dev, RESULT_RANGE_STATUS, &u8); |
| Davidroid | 57:fa4c622b04a7 | 575 | if( status) |
| Davidroid | 57:fa4c622b04a7 | 576 | break; |
| Davidroid | 57:fa4c622b04a7 | 577 | u8 = u8 & RANGE_DEVICE_READY_MASK; |
| Davidroid | 57:fa4c622b04a7 | 578 | if( u8 ) |
| Davidroid | 57:fa4c622b04a7 | 579 | break; |
| kenjiArai | 60:972b4898a007 | 580 | |
| Davidroid | 57:fa4c622b04a7 | 581 | } |
| kenjiArai | 60:972b4898a007 | 582 | if( !status && !u8 ) { |
| Davidroid | 57:fa4c622b04a7 | 583 | status = TIME_OUT; |
| Davidroid | 57:fa4c622b04a7 | 584 | } |
| Davidroid | 57:fa4c622b04a7 | 585 | } |
| Davidroid | 57:fa4c622b04a7 | 586 | LOG_FUNCTION_END(status); |
| Davidroid | 57:fa4c622b04a7 | 587 | return status; |
| Davidroid | 57:fa4c622b04a7 | 588 | } |
| kenjiArai | 60:972b4898a007 | 589 | |
| Davidroid | 57:fa4c622b04a7 | 590 | int VL6180X::VL6180X_RangeSetSystemMode(VL6180XDev_t dev, uint8_t mode) |
| Davidroid | 57:fa4c622b04a7 | 591 | { |
| Davidroid | 57:fa4c622b04a7 | 592 | int status; |
| Davidroid | 57:fa4c622b04a7 | 593 | LOG_FUNCTION_START("%d", (int)mode); |
| Davidroid | 57:fa4c622b04a7 | 594 | /* FIXME we are not checking device is ready via @a VL6180X_RangeWaitDeviceReady |
| Davidroid | 57:fa4c622b04a7 | 595 | * so if called back to back real fast we are not checking |
| Davidroid | 57:fa4c622b04a7 | 596 | * if previous mode "set" got absorbed => bit 0 must be 0 so that it work |
| Davidroid | 57:fa4c622b04a7 | 597 | */ |
| kenjiArai | 60:972b4898a007 | 598 | if( mode <= 3) { |
| Davidroid | 57:fa4c622b04a7 | 599 | status=VL6180X_WrByte(dev, SYSRANGE_START, mode); |
| kenjiArai | 60:972b4898a007 | 600 | if( status ) { |
| Davidroid | 57:fa4c622b04a7 | 601 | VL6180X_ErrLog("SYSRANGE_START wr fail"); |
| Davidroid | 57:fa4c622b04a7 | 602 | } |
| kenjiArai | 60:972b4898a007 | 603 | } else { |
| Davidroid | 57:fa4c622b04a7 | 604 | status = INVALID_PARAMS; |
| Davidroid | 57:fa4c622b04a7 | 605 | } |
| Davidroid | 57:fa4c622b04a7 | 606 | LOG_FUNCTION_END(status); |
| Davidroid | 57:fa4c622b04a7 | 607 | return status; |
| Davidroid | 57:fa4c622b04a7 | 608 | } |
| kenjiArai | 60:972b4898a007 | 609 | |
| Davidroid | 57:fa4c622b04a7 | 610 | int VL6180X::VL6180X_RangeSetEarlyConvergenceEestimateThreshold(VL6180XDev_t dev) |
| Davidroid | 57:fa4c622b04a7 | 611 | { |
| Davidroid | 57:fa4c622b04a7 | 612 | int status; |
| kenjiArai | 60:972b4898a007 | 613 | |
| Davidroid | 57:fa4c622b04a7 | 614 | const uint32_t cMicroSecPerMilliSec = 1000; |
| Davidroid | 57:fa4c622b04a7 | 615 | const uint32_t cEceSampleTime_us = 500; |
| Davidroid | 57:fa4c622b04a7 | 616 | uint32_t ece_factor_m = VL6180XDevDataGet(dev, EceFactorM); |
| Davidroid | 57:fa4c622b04a7 | 617 | uint32_t ece_factor_d = VL6180XDevDataGet(dev, EceFactorD); |
| Davidroid | 57:fa4c622b04a7 | 618 | uint32_t convergTime_us; |
| Davidroid | 57:fa4c622b04a7 | 619 | uint32_t fineThresh; |
| Davidroid | 57:fa4c622b04a7 | 620 | uint32_t eceThresh; |
| Davidroid | 57:fa4c622b04a7 | 621 | uint8_t u8; |
| Davidroid | 57:fa4c622b04a7 | 622 | uint32_t maxConv_ms; |
| Davidroid | 57:fa4c622b04a7 | 623 | int32_t AveTime; |
| kenjiArai | 60:972b4898a007 | 624 | |
| Davidroid | 57:fa4c622b04a7 | 625 | LOG_FUNCTION_START(""); |
| kenjiArai | 60:972b4898a007 | 626 | |
| kenjiArai | 60:972b4898a007 | 627 | do { |
| Davidroid | 57:fa4c622b04a7 | 628 | status = VL6180X_RdByte(dev, SYSRANGE_MAX_CONVERGENCE_TIME, &u8); |
| kenjiArai | 60:972b4898a007 | 629 | if( status ) { |
| Davidroid | 57:fa4c622b04a7 | 630 | VL6180X_ErrLog("SYSRANGE_MAX_CONVERGENCE_TIME rd fail"); |
| Davidroid | 57:fa4c622b04a7 | 631 | break; |
| Davidroid | 57:fa4c622b04a7 | 632 | } |
| Davidroid | 57:fa4c622b04a7 | 633 | maxConv_ms = u8; |
| Davidroid | 57:fa4c622b04a7 | 634 | AveTime = _GetAveTotalTime(dev); |
| kenjiArai | 60:972b4898a007 | 635 | if( AveTime <0 ) { |
| Davidroid | 57:fa4c622b04a7 | 636 | status=-1; |
| Davidroid | 57:fa4c622b04a7 | 637 | break; |
| Davidroid | 57:fa4c622b04a7 | 638 | } |
| kenjiArai | 60:972b4898a007 | 639 | |
| Davidroid | 57:fa4c622b04a7 | 640 | convergTime_us = maxConv_ms * cMicroSecPerMilliSec - AveTime; |
| Davidroid | 57:fa4c622b04a7 | 641 | status = VL6180X_RdDWord(dev, 0xB8, &fineThresh); |
| Davidroid | 57:fa4c622b04a7 | 642 | if( status ) { |
| Davidroid | 57:fa4c622b04a7 | 643 | VL6180X_ErrLog("reg 0xB8 rd fail"); |
| Davidroid | 57:fa4c622b04a7 | 644 | break; |
| Davidroid | 57:fa4c622b04a7 | 645 | } |
| Davidroid | 57:fa4c622b04a7 | 646 | fineThresh*=256; |
| Davidroid | 57:fa4c622b04a7 | 647 | eceThresh = ece_factor_m * cEceSampleTime_us * fineThresh/(convergTime_us * ece_factor_d); |
| kenjiArai | 60:972b4898a007 | 648 | |
| Davidroid | 57:fa4c622b04a7 | 649 | status=VL6180X_WrWord(dev, SYSRANGE_EARLY_CONVERGENCE_ESTIMATE, (uint16_t)eceThresh); |
| kenjiArai | 60:972b4898a007 | 650 | } while(0); |
| kenjiArai | 60:972b4898a007 | 651 | |
| Davidroid | 57:fa4c622b04a7 | 652 | LOG_FUNCTION_END(status); |
| Davidroid | 57:fa4c622b04a7 | 653 | return status; |
| Davidroid | 57:fa4c622b04a7 | 654 | } |
| kenjiArai | 60:972b4898a007 | 655 | |
| Davidroid | 57:fa4c622b04a7 | 656 | /* |
| Davidroid | 57:fa4c622b04a7 | 657 | * Return >0 = time |
| Davidroid | 57:fa4c622b04a7 | 658 | * <0 1 if fail to get read data from device to compute time |
| Davidroid | 57:fa4c622b04a7 | 659 | */ |
| kenjiArai | 60:972b4898a007 | 660 | int32_t VL6180X::_GetAveTotalTime(VL6180XDev_t dev) |
| kenjiArai | 60:972b4898a007 | 661 | { |
| Davidroid | 57:fa4c622b04a7 | 662 | uint32_t cFwOverhead_us = 24; |
| Davidroid | 57:fa4c622b04a7 | 663 | uint32_t cVcpSetupTime_us = 70; |
| Davidroid | 57:fa4c622b04a7 | 664 | uint32_t cPLL2_StartupDelay_us = 200; |
| Davidroid | 57:fa4c622b04a7 | 665 | uint8_t cMeasMask = 0x07; |
| Davidroid | 57:fa4c622b04a7 | 666 | uint32_t Samples; |
| Davidroid | 57:fa4c622b04a7 | 667 | uint32_t SamplePeriod; |
| Davidroid | 57:fa4c622b04a7 | 668 | uint32_t SingleTime_us; |
| Davidroid | 57:fa4c622b04a7 | 669 | int32_t TotalAveTime_us; |
| Davidroid | 57:fa4c622b04a7 | 670 | uint8_t u8; |
| Davidroid | 57:fa4c622b04a7 | 671 | int status; |
| kenjiArai | 60:972b4898a007 | 672 | |
| Davidroid | 57:fa4c622b04a7 | 673 | LOG_FUNCTION_START(""); |
| kenjiArai | 60:972b4898a007 | 674 | |
| Davidroid | 57:fa4c622b04a7 | 675 | status = VL6180X_RdByte(dev, 0x109, &u8); |
| Davidroid | 57:fa4c622b04a7 | 676 | if (status) { |
| Davidroid | 57:fa4c622b04a7 | 677 | VL6180X_ErrLog("rd 0x109 fail"); |
| Davidroid | 57:fa4c622b04a7 | 678 | return -1; |
| Davidroid | 57:fa4c622b04a7 | 679 | } |
| Davidroid | 57:fa4c622b04a7 | 680 | Samples = u8 & cMeasMask; |
| Davidroid | 57:fa4c622b04a7 | 681 | status = VL6180X_RdByte(dev, READOUT_AVERAGING_SAMPLE_PERIOD, &u8); |
| Davidroid | 57:fa4c622b04a7 | 682 | if (status) { |
| Davidroid | 57:fa4c622b04a7 | 683 | VL6180X_ErrLog("i2c READOUT_AVERAGING_SAMPLE_PERIOD fail"); |
| Davidroid | 57:fa4c622b04a7 | 684 | return -1; |
| Davidroid | 57:fa4c622b04a7 | 685 | } |
| Davidroid | 57:fa4c622b04a7 | 686 | SamplePeriod = u8; |
| Davidroid | 57:fa4c622b04a7 | 687 | SingleTime_us = cFwOverhead_us + cVcpSetupTime_us + (SamplePeriod * 10); |
| Davidroid | 57:fa4c622b04a7 | 688 | TotalAveTime_us = (Samples + 1) * SingleTime_us + cPLL2_StartupDelay_us; |
| kenjiArai | 60:972b4898a007 | 689 | |
| Davidroid | 57:fa4c622b04a7 | 690 | LOG_FUNCTION_END(TotalAveTime_us); |
| Davidroid | 57:fa4c622b04a7 | 691 | return TotalAveTime_us; |
| Davidroid | 57:fa4c622b04a7 | 692 | } |
| kenjiArai | 60:972b4898a007 | 693 | |
| kenjiArai | 60:972b4898a007 | 694 | |
| Davidroid | 57:fa4c622b04a7 | 695 | #ifdef VL6180X_HAVE_RATE_DATA |
| kenjiArai | 60:972b4898a007 | 696 | |
| kenjiArai | 60:972b4898a007 | 697 | int VL6180X::_GetRateResult(VL6180XDev_t dev, VL6180X_RangeData_t *pRangeData) |
| kenjiArai | 60:972b4898a007 | 698 | { |
| Davidroid | 57:fa4c622b04a7 | 699 | uint32_t m_rtnConvTime = 0; |
| Davidroid | 57:fa4c622b04a7 | 700 | uint32_t m_rtnSignalRate = 0; |
| Davidroid | 57:fa4c622b04a7 | 701 | uint32_t m_rtnAmbientRate = 0; |
| Davidroid | 57:fa4c622b04a7 | 702 | uint32_t m_rtnSignalCount = 0; |
| Davidroid | 57:fa4c622b04a7 | 703 | uint32_t m_rtnAmbientCount = 0; |
| Davidroid | 57:fa4c622b04a7 | 704 | uint32_t m_refConvTime = 0; |
| Davidroid | 57:fa4c622b04a7 | 705 | uint32_t cRtnSignalCountMax = 0x7FFFFFFF; |
| Davidroid | 57:fa4c622b04a7 | 706 | uint32_t cDllPeriods = 6; |
| Davidroid | 57:fa4c622b04a7 | 707 | uint32_t calcConvTime = 0; |
| kenjiArai | 60:972b4898a007 | 708 | |
| Davidroid | 57:fa4c622b04a7 | 709 | int status; |
| kenjiArai | 60:972b4898a007 | 710 | |
| Davidroid | 57:fa4c622b04a7 | 711 | do { |
| kenjiArai | 60:972b4898a007 | 712 | |
| Davidroid | 57:fa4c622b04a7 | 713 | status = VL6180X_RdDWord(dev, RESULT_RANGE_RETURN_SIGNAL_COUNT, &m_rtnSignalCount); |
| Davidroid | 57:fa4c622b04a7 | 714 | if (status) { |
| Davidroid | 57:fa4c622b04a7 | 715 | VL6180X_ErrLog("RESULT_RANGE_RETURN_SIGNAL_COUNT rd fail"); |
| Davidroid | 57:fa4c622b04a7 | 716 | break; |
| Davidroid | 57:fa4c622b04a7 | 717 | } |
| Davidroid | 57:fa4c622b04a7 | 718 | if (m_rtnSignalCount > cRtnSignalCountMax) { |
| Davidroid | 57:fa4c622b04a7 | 719 | m_rtnSignalCount = 0; |
| Davidroid | 57:fa4c622b04a7 | 720 | } |
| kenjiArai | 60:972b4898a007 | 721 | |
| Davidroid | 57:fa4c622b04a7 | 722 | status = VL6180X_RdDWord(dev, RESULT_RANGE_RETURN_AMB_COUNT, &m_rtnAmbientCount); |
| Davidroid | 57:fa4c622b04a7 | 723 | if (status) { |
| Davidroid | 57:fa4c622b04a7 | 724 | VL6180X_ErrLog("RESULT_RANGE_RETURN_AMB_COUNTrd fail"); |
| Davidroid | 57:fa4c622b04a7 | 725 | break; |
| Davidroid | 57:fa4c622b04a7 | 726 | } |
| kenjiArai | 60:972b4898a007 | 727 | |
| kenjiArai | 60:972b4898a007 | 728 | |
| Davidroid | 57:fa4c622b04a7 | 729 | status = VL6180X_RdDWord(dev, RESULT_RANGE_RETURN_CONV_TIME, &m_rtnConvTime); |
| Davidroid | 57:fa4c622b04a7 | 730 | if (status) { |
| Davidroid | 57:fa4c622b04a7 | 731 | VL6180X_ErrLog("RESULT_RANGE_RETURN_CONV_TIME rd fail"); |
| Davidroid | 57:fa4c622b04a7 | 732 | break; |
| Davidroid | 57:fa4c622b04a7 | 733 | } |
| kenjiArai | 60:972b4898a007 | 734 | |
| Davidroid | 57:fa4c622b04a7 | 735 | status = VL6180X_RdDWord(dev, RESULT_RANGE_REFERENCE_CONV_TIME, &m_refConvTime); |
| Davidroid | 57:fa4c622b04a7 | 736 | if (status) { |
| Davidroid | 57:fa4c622b04a7 | 737 | VL6180X_ErrLog("RESULT_RANGE_REFERENCE_CONV_TIME rd fail"); |
| Davidroid | 57:fa4c622b04a7 | 738 | break; |
| Davidroid | 57:fa4c622b04a7 | 739 | } |
| kenjiArai | 60:972b4898a007 | 740 | |
| Davidroid | 57:fa4c622b04a7 | 741 | pRangeData->rtnConvTime = m_rtnConvTime; |
| Davidroid | 57:fa4c622b04a7 | 742 | pRangeData->refConvTime = m_refConvTime; |
| kenjiArai | 60:972b4898a007 | 743 | |
| Davidroid | 57:fa4c622b04a7 | 744 | calcConvTime = m_refConvTime; |
| Davidroid | 57:fa4c622b04a7 | 745 | if (m_rtnConvTime > m_refConvTime) { |
| Davidroid | 57:fa4c622b04a7 | 746 | calcConvTime = m_rtnConvTime; |
| Davidroid | 57:fa4c622b04a7 | 747 | } |
| Davidroid | 57:fa4c622b04a7 | 748 | if (calcConvTime == 0) |
| Davidroid | 57:fa4c622b04a7 | 749 | calcConvTime = 63000; |
| kenjiArai | 60:972b4898a007 | 750 | |
| Davidroid | 57:fa4c622b04a7 | 751 | m_rtnSignalRate = (m_rtnSignalCount * 1000) / calcConvTime; |
| Davidroid | 57:fa4c622b04a7 | 752 | m_rtnAmbientRate = (m_rtnAmbientCount * cDllPeriods * 1000) / calcConvTime; |
| kenjiArai | 60:972b4898a007 | 753 | |
| Davidroid | 57:fa4c622b04a7 | 754 | pRangeData->rtnRate = m_rtnSignalRate; |
| Davidroid | 57:fa4c622b04a7 | 755 | pRangeData->rtnAmbRate = m_rtnAmbientRate; |
| kenjiArai | 60:972b4898a007 | 756 | |
| kenjiArai | 60:972b4898a007 | 757 | |
| Davidroid | 57:fa4c622b04a7 | 758 | } while (0); |
| Davidroid | 57:fa4c622b04a7 | 759 | return status; |
| Davidroid | 57:fa4c622b04a7 | 760 | } |
| Davidroid | 57:fa4c622b04a7 | 761 | #endif /* VL6180X_HAVE_RATE_DATA */ |
| kenjiArai | 60:972b4898a007 | 762 | |
| kenjiArai | 60:972b4898a007 | 763 | /******************************************************************************/ |
| kenjiArai | 60:972b4898a007 | 764 | /******************************************************************************/ |
| kenjiArai | 60:972b4898a007 | 765 | |
| kenjiArai | 60:972b4898a007 | 766 | /****************** Write and read functions from I2C *************************/ |
| kenjiArai | 60:972b4898a007 | 767 | |
| kenjiArai | 60:972b4898a007 | 768 | int VL6180X::VL6180X_WrByte(VL6180XDev_t dev, uint16_t index, uint8_t data) |
| kenjiArai | 60:972b4898a007 | 769 | { |
| kenjiArai | 60:972b4898a007 | 770 | int status; |
| kenjiArai | 60:972b4898a007 | 771 | |
| kenjiArai | 60:972b4898a007 | 772 | status=VL6180X_I2CWrite(dev->I2cAddr, index, &data,(uint8_t)1); |
| Davidroid | 57:fa4c622b04a7 | 773 | return status; |
| Davidroid | 57:fa4c622b04a7 | 774 | } |
| kenjiArai | 60:972b4898a007 | 775 | |
| kenjiArai | 60:972b4898a007 | 776 | int VL6180X::VL6180X_WrWord(VL6180XDev_t dev, uint16_t index, uint16_t data) |
| kenjiArai | 60:972b4898a007 | 777 | { |
| kenjiArai | 60:972b4898a007 | 778 | int status; |
| kenjiArai | 60:972b4898a007 | 779 | |
| kenjiArai | 60:972b4898a007 | 780 | status=VL6180X_I2CWrite(dev->I2cAddr, index, (uint8_t *)&data,(uint8_t)2); |
| kenjiArai | 60:972b4898a007 | 781 | return status; |
| kenjiArai | 60:972b4898a007 | 782 | } |
| kenjiArai | 60:972b4898a007 | 783 | |
| kenjiArai | 60:972b4898a007 | 784 | int VL6180X::VL6180X_WrDWord(VL6180XDev_t dev, uint16_t index, uint32_t data) |
| kenjiArai | 60:972b4898a007 | 785 | { |
| kenjiArai | 60:972b4898a007 | 786 | int status; |
| kenjiArai | 60:972b4898a007 | 787 | |
| kenjiArai | 60:972b4898a007 | 788 | status=VL6180X_I2CWrite(dev->I2cAddr, index, (uint8_t *)&data,(uint8_t)4); |
| Davidroid | 57:fa4c622b04a7 | 789 | return status; |
| Davidroid | 57:fa4c622b04a7 | 790 | } |
| kenjiArai | 60:972b4898a007 | 791 | |
| kenjiArai | 60:972b4898a007 | 792 | int VL6180X::VL6180X_RdByte(VL6180XDev_t dev, uint16_t index, uint8_t *data) |
| kenjiArai | 60:972b4898a007 | 793 | { |
| kenjiArai | 60:972b4898a007 | 794 | int status; |
| kenjiArai | 60:972b4898a007 | 795 | |
| kenjiArai | 60:972b4898a007 | 796 | uint8_t buffer=0; |
| kenjiArai | 60:972b4898a007 | 797 | status=VL6180X_I2CRead(dev->I2cAddr, index, &buffer,1); |
| kenjiArai | 60:972b4898a007 | 798 | if(!status) { |
| kenjiArai | 60:972b4898a007 | 799 | *data=buffer; |
| Davidroid | 57:fa4c622b04a7 | 800 | } |
| kenjiArai | 60:972b4898a007 | 801 | return status; |
| kenjiArai | 60:972b4898a007 | 802 | } |
| kenjiArai | 60:972b4898a007 | 803 | |
| kenjiArai | 60:972b4898a007 | 804 | int VL6180X::VL6180X_RdWord(VL6180XDev_t dev, uint16_t index, uint16_t *data) |
| kenjiArai | 60:972b4898a007 | 805 | { |
| kenjiArai | 60:972b4898a007 | 806 | int status; |
| kenjiArai | 60:972b4898a007 | 807 | |
| kenjiArai | 60:972b4898a007 | 808 | uint8_t buffer[2]; |
| kenjiArai | 60:972b4898a007 | 809 | buffer[0]=buffer[1]=0; |
| kenjiArai | 60:972b4898a007 | 810 | status=VL6180X_I2CRead(dev->I2cAddr, index, buffer, 2); |
| kenjiArai | 60:972b4898a007 | 811 | if(!status) { |
| kenjiArai | 60:972b4898a007 | 812 | memcpy(data, buffer, 2); |
| kenjiArai | 60:972b4898a007 | 813 | } |
| kenjiArai | 60:972b4898a007 | 814 | return status; |
| Davidroid | 57:fa4c622b04a7 | 815 | } |
| kenjiArai | 60:972b4898a007 | 816 | |
| kenjiArai | 60:972b4898a007 | 817 | int VL6180X::VL6180X_RdDWord(VL6180XDev_t dev, uint16_t index, uint32_t *data) |
| kenjiArai | 60:972b4898a007 | 818 | { |
| kenjiArai | 60:972b4898a007 | 819 | int status; |
| kenjiArai | 60:972b4898a007 | 820 | uint8_t buffer[4]; |
| kenjiArai | 60:972b4898a007 | 821 | buffer[0]=buffer[1]=buffer[2]=buffer[3]=0; |
| kenjiArai | 60:972b4898a007 | 822 | status=VL6180X_I2CRead(dev->I2cAddr, index, buffer,4); |
| kenjiArai | 60:972b4898a007 | 823 | if(!status) { |
| kenjiArai | 60:972b4898a007 | 824 | memcpy(data, buffer, 4); |
| kenjiArai | 60:972b4898a007 | 825 | } |
| kenjiArai | 60:972b4898a007 | 826 | return status; |
| Davidroid | 57:fa4c622b04a7 | 827 | } |
| kenjiArai | 60:972b4898a007 | 828 | |
| kenjiArai | 60:972b4898a007 | 829 | int VL6180X::VL6180X_UpdateByte(VL6180XDev_t dev, uint16_t index, uint8_t AndData, uint8_t OrData) |
| kenjiArai | 60:972b4898a007 | 830 | { |
| kenjiArai | 60:972b4898a007 | 831 | int status; |
| kenjiArai | 60:972b4898a007 | 832 | uint8_t buffer=0; |
| kenjiArai | 60:972b4898a007 | 833 | |
| kenjiArai | 60:972b4898a007 | 834 | status=VL6180X_I2CWrite(dev->I2cAddr, index, (uint8_t *)&buffer,(uint8_t)0); |
| kenjiArai | 60:972b4898a007 | 835 | if(!status) { |
| kenjiArai | 60:972b4898a007 | 836 | /* read data direct onto buffer */ |
| kenjiArai | 60:972b4898a007 | 837 | status=VL6180X_I2CRead(dev->I2cAddr, index, &buffer,1); |
| kenjiArai | 60:972b4898a007 | 838 | if(!status) { |
| kenjiArai | 60:972b4898a007 | 839 | buffer=(buffer & AndData)|OrData; |
| kenjiArai | 60:972b4898a007 | 840 | status=VL6180X_I2CWrite(dev->I2cAddr, index, &buffer, (uint8_t)1); |
| Davidroid | 57:fa4c622b04a7 | 841 | } |
| Davidroid | 57:fa4c622b04a7 | 842 | } |
| Davidroid | 57:fa4c622b04a7 | 843 | return status; |
| Davidroid | 57:fa4c622b04a7 | 844 | } |
| kenjiArai | 60:972b4898a007 | 845 | |
| kenjiArai | 60:972b4898a007 | 846 | int VL6180X::VL6180X_I2CWrite(uint8_t DeviceAddr, uint16_t RegisterAddr, uint8_t* pBuffer, uint16_t NumByteToWrite) |
| kenjiArai | 60:972b4898a007 | 847 | { |
| kenjiArai | 60:972b4898a007 | 848 | int ret; |
| kenjiArai | 60:972b4898a007 | 849 | int i; |
| kenjiArai | 60:972b4898a007 | 850 | uint8_t tmp[TEMP_BUF_SIZE]; |
| kenjiArai | 60:972b4898a007 | 851 | uint16_t myRegisterAddr = RegisterAddr; |
| kenjiArai | 60:972b4898a007 | 852 | uint16_t WriteDeviceAddr=0; |
| kenjiArai | 60:972b4898a007 | 853 | |
| kenjiArai | 60:972b4898a007 | 854 | /* First, prepare 8 bits device address in 7bits i2ci format */ |
| kenjiArai | 60:972b4898a007 | 855 | WriteDeviceAddr=DeviceAddr*2; |
| kenjiArai | 60:972b4898a007 | 856 | if(NumByteToWrite >= TEMP_BUF_SIZE) return -2; |
| kenjiArai | 60:972b4898a007 | 857 | |
| kenjiArai | 60:972b4898a007 | 858 | /* then prepare 16 bits register address in BE format. Then, send data and STOP condition */ |
| kenjiArai | 60:972b4898a007 | 859 | tmp[0] = *(((uint8_t*)&myRegisterAddr)+1); |
| kenjiArai | 60:972b4898a007 | 860 | tmp[1] = (uint8_t)RegisterAddr; |
| kenjiArai | 60:972b4898a007 | 861 | |
| kenjiArai | 60:972b4898a007 | 862 | if(NumByteToWrite>1) { /* swap data endianess */ |
| kenjiArai | 60:972b4898a007 | 863 | for(i=0; i<NumByteToWrite; i++) { |
| kenjiArai | 60:972b4898a007 | 864 | tmp[NumByteToWrite+sizeof(RegisterAddr)-1-i]=pBuffer[i]; |
| Davidroid | 57:fa4c622b04a7 | 865 | } |
| kenjiArai | 60:972b4898a007 | 866 | } else { |
| kenjiArai | 60:972b4898a007 | 867 | memcpy(tmp+sizeof(RegisterAddr), pBuffer, NumByteToWrite); |
| kenjiArai | 60:972b4898a007 | 868 | } |
| kenjiArai | 60:972b4898a007 | 869 | ret = _i2c.write(WriteDeviceAddr, (const char*)tmp, NumByteToWrite+sizeof(RegisterAddr), false); |
| kenjiArai | 60:972b4898a007 | 870 | if(ret) |
| kenjiArai | 60:972b4898a007 | 871 | return -1; |
| kenjiArai | 60:972b4898a007 | 872 | return 0; |
| kenjiArai | 60:972b4898a007 | 873 | } |
| kenjiArai | 60:972b4898a007 | 874 | |
| kenjiArai | 60:972b4898a007 | 875 | int VL6180X::VL6180X_I2CRead(uint8_t DeviceAddr, uint16_t RegisterAddr, uint8_t* pBuffer, uint16_t NumByteToRead) |
| kenjiArai | 60:972b4898a007 | 876 | { |
| kenjiArai | 60:972b4898a007 | 877 | int ret,i; |
| kenjiArai | 60:972b4898a007 | 878 | uint8_t tmp[TEMP_BUF_SIZE]; |
| kenjiArai | 60:972b4898a007 | 879 | uint16_t myRegisterAddr = RegisterAddr; |
| kenjiArai | 60:972b4898a007 | 880 | uint16_t myRegisterAddrBE; |
| kenjiArai | 60:972b4898a007 | 881 | uint16_t ReadDeviceAddr=DeviceAddr; |
| kenjiArai | 60:972b4898a007 | 882 | |
| kenjiArai | 60:972b4898a007 | 883 | ReadDeviceAddr=DeviceAddr*2; |
| kenjiArai | 60:972b4898a007 | 884 | myRegisterAddrBE = *(((uint8_t*)&myRegisterAddr)+1); |
| kenjiArai | 60:972b4898a007 | 885 | *(((uint8_t*)&myRegisterAddrBE)+1) = (uint8_t)myRegisterAddr; |
| kenjiArai | 60:972b4898a007 | 886 | |
| kenjiArai | 60:972b4898a007 | 887 | /* Send 8 bits device address and 16 bits register address in BE format, with no STOP condition */ |
| kenjiArai | 60:972b4898a007 | 888 | ret = _i2c.write(ReadDeviceAddr, (const char*)&myRegisterAddrBE, sizeof(RegisterAddr), true); |
| kenjiArai | 60:972b4898a007 | 889 | if(!ret) { |
| kenjiArai | 60:972b4898a007 | 890 | ReadDeviceAddr|=0x001; |
| kenjiArai | 60:972b4898a007 | 891 | /* Read data, with STOP condition */ |
| kenjiArai | 60:972b4898a007 | 892 | ret = _i2c.read(ReadDeviceAddr, (char*)tmp, NumByteToRead, false); |
| kenjiArai | 60:972b4898a007 | 893 | } |
| kenjiArai | 60:972b4898a007 | 894 | if(ret) |
| kenjiArai | 60:972b4898a007 | 895 | return -1; |
| kenjiArai | 60:972b4898a007 | 896 | |
| kenjiArai | 60:972b4898a007 | 897 | if(NumByteToRead>1) { /* swap data endianess */ |
| kenjiArai | 60:972b4898a007 | 898 | for(i=0; i<NumByteToRead; i++) { |
| kenjiArai | 60:972b4898a007 | 899 | pBuffer[i] = tmp[NumByteToRead-1-i]; |
| Davidroid | 57:fa4c622b04a7 | 900 | } |
| kenjiArai | 60:972b4898a007 | 901 | } else { |
| kenjiArai | 60:972b4898a007 | 902 | memcpy(pBuffer, tmp, NumByteToRead); |
| Davidroid | 57:fa4c622b04a7 | 903 | } |
| Davidroid | 57:fa4c622b04a7 | 904 | return 0; |
| Davidroid | 57:fa4c622b04a7 | 905 | } |
| Davidroid | 57:fa4c622b04a7 | 906 | |
| Davidroid | 57:fa4c622b04a7 | 907 | /******************************************************************************/ |
| Davidroid | 57:fa4c622b04a7 | 908 | int VL6180X::read_id(uint8_t *id) |
| Davidroid | 57:fa4c622b04a7 | 909 | { |
| kenjiArai | 60:972b4898a007 | 910 | return VL6180X_RdByte(_device, IDENTIFICATION_MODEL_ID, id); |
| Davidroid | 57:fa4c622b04a7 | 911 | } |
| Davidroid | 57:fa4c622b04a7 | 912 | |
| kenjiArai | 60:972b4898a007 | 913 | int VL6180X::start_measurement(operating_mode_t operating_mode) |
| Davidroid | 57:fa4c622b04a7 | 914 | { |
| Davidroid | 57:fa4c622b04a7 | 915 | |
| kenjiArai | 60:972b4898a007 | 916 | switch (operating_mode) { |
| kenjiArai | 60:972b4898a007 | 917 | case(range_single_shot_polling): |
| kenjiArai | 60:972b4898a007 | 918 | return VL6180X_WrByte(_device, SYSRANGE_START, MODE_START_STOP|MODE_SINGLESHOT); |
| kenjiArai | 60:972b4898a007 | 919 | case(als_single_shot_polling): |
| kenjiArai | 60:972b4898a007 | 920 | return VL6180X_WrByte(_device, SYSALS_START, MODE_START_STOP|MODE_SINGLESHOT); |
| kenjiArai | 60:972b4898a007 | 921 | default: |
| kenjiArai | 60:972b4898a007 | 922 | return INVALID_PARAMS; |
| kenjiArai | 60:972b4898a007 | 923 | } |
| Davidroid | 57:fa4c622b04a7 | 924 | } |
| Davidroid | 57:fa4c622b04a7 | 925 | |
| Davidroid | 57:fa4c622b04a7 | 926 | int VL6180X::stop_measurement(operating_mode_t operating_mode) |
| Davidroid | 57:fa4c622b04a7 | 927 | { |
| kenjiArai | 60:972b4898a007 | 928 | switch(operating_mode) { |
| kenjiArai | 60:972b4898a007 | 929 | case(range_single_shot_polling): |
| kenjiArai | 60:972b4898a007 | 930 | return VL6180X_RangeSetSystemMode(_device, MODE_SINGLESHOT); |
| kenjiArai | 60:972b4898a007 | 931 | case(als_single_shot_polling): |
| kenjiArai | 60:972b4898a007 | 932 | return VL6180X_AlsSetSystemMode(_device, MODE_SINGLESHOT); |
| kenjiArai | 60:972b4898a007 | 933 | default: |
| kenjiArai | 60:972b4898a007 | 934 | return INVALID_PARAMS; |
| kenjiArai | 60:972b4898a007 | 935 | } |
| Davidroid | 57:fa4c622b04a7 | 936 | } |
| kenjiArai | 60:972b4898a007 | 937 | |
| Davidroid | 57:fa4c622b04a7 | 938 | int VL6180X::IsPresent() |
| Davidroid | 57:fa4c622b04a7 | 939 | { |
| kenjiArai | 60:972b4898a007 | 940 | int status; |
| kenjiArai | 60:972b4898a007 | 941 | uint8_t id; |
| Davidroid | 57:fa4c622b04a7 | 942 | |
| kenjiArai | 60:972b4898a007 | 943 | status=read_id(&id); |
| kenjiArai | 60:972b4898a007 | 944 | if(status) |
| kenjiArai | 60:972b4898a007 | 945 | VL6180X_ErrLog("Failed to read ID device. _device not present!\n\r"); |
| kenjiArai | 60:972b4898a007 | 946 | return status; |
| Davidroid | 57:fa4c622b04a7 | 947 | } |
| kenjiArai | 60:972b4898a007 | 948 | |
| Davidroid | 57:fa4c622b04a7 | 949 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |