1765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang/* 2765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang * Author: Yevgeniy Kiveisha <yevgeniy.kiveisha@intel.com> 3765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang * Copyright (c) 2014 Intel Corporation. 4765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang * 5765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang * Permission is hereby granted, free of charge, to any person obtaining 6765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang * a copy of this software and associated documentation files (the 7765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang * "Software"), to deal in the Software without restriction, including 8765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang * without limitation the rights to use, copy, modify, merge, publish, 9765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang * distribute, sublicense, and/or sell copies of the Software, and to 10765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang * permit persons to whom the Software is furnished to do so, subject to 11765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang * the following conditions: 12765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang * 13765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang * The above copyright notice and this permission notice shall be 14765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang * included in all copies or substantial portions of the Software. 15765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang * 16765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 17765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 18765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 19765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 20765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 21765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 22765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 23765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang */ 24765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 25765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang#include <iostream> 26765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang#include <string> 27765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang#include <stdexcept> 28765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang#include <unistd.h> 29765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang#include <stdlib.h> 30765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 31765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang#include "max44000.h" 32765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 33765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhangusing namespace upm; 34765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 35765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun ZhangMAX44000::MAX44000 (int bus, int devAddr) : m_i2cMaxControlCtx(bus) { 36765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang m_name = "MAX44000"; 37765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 38765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang m_maxControlAddr = devAddr; 39765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang m_bus = bus; 40765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 41765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang mraa::Result ret = m_i2cMaxControlCtx.address(m_maxControlAddr); 42765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang if (ret != mraa::SUCCESS) { 43765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang throw std::invalid_argument(std::string(__FUNCTION__) + 44765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang ": mraa_i2c_address() failed"); 45765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang } 46765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 47765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang // i2cWriteReg (MCR, 0x2C); 48765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang // i2cWriteReg (TCR, 0x6); 49765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang} 50765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 51765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhanguint16_t 52765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun ZhangMAX44000::getProximity () { 53765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang uint16_t data = 0; 54765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 55765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang data = (i2cReadReg_8 (ALSDATA_HIGH) & 0x7F) << 8; 56765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang data = data | i2cReadReg_8 (ALSDATA_LOW); 57765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 58765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang return data; 59765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang} 60765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 61765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhanguint16_t 62765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun ZhangMAX44000::getAmbient () { 63765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang uint16_t data = 0; 64765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 65765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang data = (i2cReadReg_8 (ALSDATA_HIGH) & 0x7F) << 8; 66765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang data = data | i2cReadReg_8 (ALSDATA_LOW); 67765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 68765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang return data; 69765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang} 70765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 71765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang/* 72765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang * ************** 73765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang * private area 74765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang * ************** 75765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang */ 76765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhanguint8_t 77765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun ZhangMAX44000::i2cReadReg_8 (int reg) { 78765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang uint8_t data; 79765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 80765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang m_i2cMaxControlCtx.address(m_maxControlAddr); 81765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang m_i2cMaxControlCtx.writeByte(reg); 82765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 83765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang m_i2cMaxControlCtx.address(m_maxControlAddr); 84765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang m_i2cMaxControlCtx.read(&data, 0x1); 85765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 86765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang return data; 87765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang} 88765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 89765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhanguint16_t 90765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun ZhangMAX44000::i2cReadReg_16 (int reg) { 91765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang uint16_t data; 92765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 93765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang m_i2cMaxControlCtx.address(m_maxControlAddr); 94765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang m_i2cMaxControlCtx.writeByte(reg); 95765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 96765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang m_i2cMaxControlCtx.address(m_maxControlAddr); 97765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang m_i2cMaxControlCtx.read((uint8_t *)&data, 0x2); 98765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 99765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang return data; 100765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang} 101765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 102765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhangmraa::Result 103765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun ZhangMAX44000::i2cWriteReg (uint8_t reg, uint8_t value) { 104765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang mraa::Result error = mraa::SUCCESS; 105765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 106765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang uint8_t data[2] = { reg, value }; 107765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang error = m_i2cMaxControlCtx.address (m_maxControlAddr); 108765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang error = m_i2cMaxControlCtx.write (data, 2); 109765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang 110765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang return error; 111765adb95dc941c32690d6c43bc08b9d07d197fcbJianxun Zhang} 112