2 * Author: Yevgeniy Kiveisha <yevgeniy.kiveisha@intel.com>
3 * Copyright (c) 2014 Intel Corporation.
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29 #define ADDR 0x4A // device address
32 #define ISR 0x00 // Interrupt Status Register
33 #define MCR 0x01 // Main Configuration Register
34 #define RCR 0x02 // Receive Configuration Register
35 #define TCR 0x03 // Transmit Configuration Register
36 #define ALSDATA_HIGH 0x04 // ambient sensor data high byte
37 #define ALSDATA_LOW 0x05 // ambient sensor data low byte
38 #define PRXDATA 0x15 // proximity sensor data
40 #define ALS_UP_THRESH_HIGH 0x06 // ALS Interrupt Threshold Registers High
41 #define ALS_UP_THRESH_LOW 0x07 // ALS Interrupt Threshold Registers LOW
42 #define ALS_LO_THRESH_HIGH 0x08 // ALS Interrupt Threshold Registers High
43 #define ALS_LO_THRESH_LOW 0x09 // ALS Interrupt Threshold Registers Low
44 #define TPTR 0x0A // ALS/PROX Threshold Persist Timer Register
45 #define PROX_THRESH_IND 0x0B // Proximity Threshold Register
46 #define PROX_THRESH 0x0C // Proximity Threshold Register
47 #define TRIM_GAIN_GREEN 0x0F // Digital Gain Trim Register
48 #define TRIM_GAIN_IR 0x10 // Digital Gain Trim Register
56 * @brief C++ API for MAX44000 chip (Ambient and Infrared Proximity Sensor)
58 * This file defines the MAX44000 C++ interface for libmax44000
60 * @snippet proximity.cxx Interesting
62 * PMOD pins for MAX44000PMB1 board
76 * Instanciates a MAX44000 object
78 * @param bus number of used bus
79 * @param devAddr addres of used i2c device
81 MAX44000 (int bus, int devAddr);
84 * MAX44000 object destructor, basicaly it close i2c connection.
89 * Read the proximity value from the chip (based on ambient data).
91 uint16_t getProximity ();
93 * Read the ambient value from the chip (based on ambient data).
95 uint16_t getAmbient ();
98 * Return name of the component
106 * Read one byte register
108 * @param reg address of a register
110 uint8_t i2cReadReg_8 (int reg);
113 * Read two bytes register
115 * @param reg address of a register
117 uint16_t i2cReadReg_16 (int reg);
120 * Write to one byte register
122 * @param reg address of a register
123 * @param value byte to be written
125 mraa_result_t i2cWriteReg (uint8_t reg, uint8_t value);
130 int m_maxControlAddr;
132 mraa_i2c_context m_i2cMaxControlCtx;