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142 lines
5.0 KiB
C++
142 lines
5.0 KiB
C++
/*---------------------------------------------------------*\
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| GigabyteRGBFusion2DRAMController.cpp |
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| Driver for Gigabyte Aorus RGB Fusion 2 RAM |
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| Adam Honse (CalcProgrammer1) 07 Jun 2020 |
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| This file is part of the OpenRGB project |
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| SPDX-License-Identifier: GPL-2.0-only |
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\*---------------------------------------------------------*/
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#include <cstring>
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#include <stdio.h>
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#include <stdlib.h>
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#include "GigabyteRGBFusion2DRAMController.h"
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RGBFusion2DRAMController::RGBFusion2DRAMController(i2c_smbus_interface* bus, rgb_fusion_dev_id dev)
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{
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/*-----------------------------------------------------*\
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| Initialize pointers |
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\*-----------------------------------------------------*/
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this->bus = bus;
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this->dev = dev;
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/*-----------------------------------------------------*\
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| Zero out buffer |
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\*-----------------------------------------------------*/
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memset(led_data, 0, sizeof(led_data));
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/*-----------------------------------------------------*\
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| Initialize controller with 6 LEDs |
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| This is hard coded for Aorus RGB RAM |
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\*-----------------------------------------------------*/
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led_count = 6;
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direct_initialized = false;
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}
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RGBFusion2DRAMController::~RGBFusion2DRAMController()
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{
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}
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unsigned int RGBFusion2DRAMController::GetLEDCount()
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{
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return(led_count);
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}
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std::string RGBFusion2DRAMController::GetDeviceLocation()
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{
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std::string return_string(bus->device_name);
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char addr[5];
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snprintf(addr, 5, "0x%02X", dev);
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return_string.append(", address ");
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return_string.append(addr);
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return("I2C: " + return_string);
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}
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void RGBFusion2DRAMController::Apply()
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{
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bus->i2c_smbus_write_byte_data(dev, RGB_FUSION_2_DRAM_APPLY_ADDR, RGB_FUSION_2_DRAM_ACTION_APPLY);
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}
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void RGBFusion2DRAMController::SetLEDEffect
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(
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unsigned int led,
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int mode,
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unsigned int brightness,
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unsigned int /*speed*/,
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unsigned char red,
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unsigned char green,
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unsigned char blue
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)
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{
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bool truncate_packet = false;
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if(mode == RGB_FUSION_2_DRAM_MODE_DIRECT)
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{
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/*-----------------------------------------------------*\
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| In Direct mode, set one LED at a time |
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\*-----------------------------------------------------*/
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led_data[RGB_FUSION_2_DRAM_LED_EN_MASK] = (1 << led);
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/*-----------------------------------------------------*\
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| Hack for Direct mode |
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\*-----------------------------------------------------*/
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led_data[16] = 1;
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led_data[22] = 2;
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led_data[29] = 1;
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led_data[30] = 1;
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/*-----------------------------------------------------*\
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| If bytes 15-31 have already been set, we can speed up |
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| repeat direct mode packets by only sending the portion|
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| that changes, in this case bytes 0-14. If direct mode|
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| has already been initialized, truncate the packet by |
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| only sending the first 15 bytes. |
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\*-----------------------------------------------------*/
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if(direct_initialized)
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{
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truncate_packet = true;
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}
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direct_initialized = true;
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/*-----------------------------------------------------*\
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| Direct mode is implemented using Pulse mode |
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\*-----------------------------------------------------*/
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mode = RGB_FUSION_2_DRAM_MODE_PULSE;
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}
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else
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{
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/*-----------------------------------------------------*\
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| In all other modes, set all LEDs at once |
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\*-----------------------------------------------------*/
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led_data[RGB_FUSION_2_DRAM_LED_EN_MASK] = 0x3F;
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/*-----------------------------------------------------*\
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| Clear direct mode initialized flag when setting a non-|
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| Direct mode |
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\*-----------------------------------------------------*/
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direct_initialized = false;
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}
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led_data[RGB_FUSION_2_DRAM_IDX_MODE] = mode;
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led_data[RGB_FUSION_2_DRAM_IDX_BRIGHTNESS] = brightness;
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led_data[RGB_FUSION_2_DRAM_IDX_RED] = red;
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led_data[RGB_FUSION_2_DRAM_IDX_GREEN] = green;
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led_data[RGB_FUSION_2_DRAM_IDX_BLUE] = blue;
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if(truncate_packet)
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{
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bus->i2c_smbus_write_block_data(dev, RGB_FUSION_2_DRAM_LED_START_ADDR, 15, led_data);
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}
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else
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{
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bus->i2c_smbus_write_block_data(dev, RGB_FUSION_2_DRAM_LED_START_ADDR, 32, led_data);
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}
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Apply();
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}
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