| /* |
| * Author: Henry Bruce <henry.bruce@intel.com> |
| * Copyright (c) 2014 Intel Corporation. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining |
| * a copy of this software and associated documentation files (the |
| * "Software"), to deal in the Software without restriction, including |
| * without limitation the rights to use, copy, modify, merge, publish, |
| * distribute, sublicense, and/or sell copies of the Software, and to |
| * permit persons to whom the Software is furnished to do so, subject to |
| * the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be |
| * included in all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
| * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| */ |
| |
| #include "upm/iLightController.hpp" |
| #include "mraa/i2c.hpp" |
| |
| namespace upm |
| { |
| /** |
| * @brief lp8860 LED lighting controller library |
| * @defgroup lp8860 libupm-lp8860 |
| * @ingroup ti i2c light ilightcontroller |
| */ |
| |
| /** |
| * @brief API for LP8860 LED Lighting Controller |
| * |
| * The Texas Instrumements |
| * [LP8860-Q1](http://www.ti.com/product/lp8860-q1) |
| * Automotive Catalog Low-EMI, High-Performance 4-Channel LED Driver |
| * |
| * @library lp8860 |
| * @sensor lp8860 |
| * @comname TI LP8860 LED lighting controller |
| * @altname LP8860 |
| * @type light |
| * @man ti |
| * @con i2c |
| * @if ilightcontroller |
| * |
| */ |
| class LP8860 : public upm::ILightController |
| { |
| public: |
| LP8860(int gpioPower, int i2cBus); |
| ~LP8860(); |
| const char* getModuleName() { return "lp8860"; } |
| bool isPowered(); |
| void setPowerOn(); |
| void setPowerOff(); |
| int getBrightness(); |
| void setBrightness(int dutyPercent); |
| |
| private: |
| void i2cWriteByte(int reg, int value); |
| void i2cWriteBuffer(int reg, uint8_t* buf, int length); |
| uint8_t i2cReadByte(uint8_t reg); |
| void i2cReadBuffer(int reg, uint8_t* buf, int length); |
| void loadEEPROM(); |
| void allowMaxCurrent(); |
| bool isAvailable(); |
| |
| mraa::Result status; |
| mraa::I2c* i2c; |
| int pinPower; |
| }; |
| |
| |
| } |
| |