1  // SPDX-FileCopyrightText: 2019 Anne Barela for Adafruit Industries
 2  //
 3  // SPDX-License-Identifier: MIT
 4  
 5  // VCNL4010 code adapted from:
 6  //   https://github.com/adafruit/Adafruit_VCNL4010
 7  #ifndef ADAFRUIT_VCNL4010_H
 8  #define ADAFRUIT_VCNL4010_H
 9  
10  // the i2c address
11  #define VCNL4010_I2CADDR_DEFAULT 0x13
12  
13  // commands and constants
14  #define VCNL4010_COMMAND 0x80
15  #define VCNL4010_PRODUCTID 0x81
16  #define VCNL4010_PROXRATE 0x82
17  #define VCNL4010_IRLED 0x83
18  #define VCNL4010_AMBIENTPARAMETER 0x84
19  #define VCNL4010_AMBIENTDATA 0x85
20  #define VCNL4010_PROXIMITYDATA 0x87
21  #define VCNL4010_INTCONTROL 0x89
22  #define VCNL4010_PROXINITYADJUST 0x8A
23  #define VCNL4010_INTSTAT 0x8E
24  #define VCNL4010_MODTIMING 0x8F
25  
26  typedef enum
27    {
28      VCNL4010_3M125   = 3,
29      VCNL4010_1M5625  = 2,
30      VCNL4010_781K25  = 1,
31      VCNL4010_390K625 = 0,
32    } vcnl4010_freq;
33  
34  #define VCNL4010_MEASUREAMBIENT 0x10
35  #define VCNL4010_MEASUREPROXIMITY 0x08
36  #define VCNL4010_AMBIENTREADY 0x40
37  #define VCNL4010_PROXIMITYREADY 0x20
38  
39  class Adafruit_VCNL4010 {
40  public:
41    Adafruit_VCNL4010() {}
42  
43    bool begin(uint8_t a = VCNL4010_I2CADDR_DEFAULT);
44    uint16_t readProximity();
45    
46  private:
47    uint8_t read8(uint8_t address);
48    uint16_t read16(uint8_t address);
49    void write8(uint8_t address, uint8_t data);
50    uint8_t _i2caddr;
51    
52  };
53  
54  #endif