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LumaOps release export
2026-09-03 01:18:36 +02:00
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Controllers/GigabyteRGBFusion2SMBusController/GigabyteRGBFusion2SMBusController.cpp
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/*---------------------------------------------------------*\
| GigabyteRGBFusion2SMBusController.cpp |
| |
| Driver for Gigabyte Aorus RGB Fusion 2 SMBus |
| motherboard |
| |
| Adam Honse (CalcProgrammer1) 12 Mar 2020 |
| Matt Harper 05 May 2020 |
| |
| This file is part of the OpenRGB project |
| SPDX-License-Identifier: GPL-2.0-or-later |
\*---------------------------------------------------------*/
#include <cstring>
#include <stdio.h>
#include <stdlib.h>
#include "GigabyteRGBFusion2SMBusController.h"
RGBFusion2SMBusController::RGBFusion2SMBusController(i2c_smbus_interface* bus, rgb_fusion_dev_id dev, std::string mb_name)
{
this->bus = bus;
this->dev = dev;
this->name = mb_name;
memset(led_data, 0, 10*16);
led_count = 10; // Protocol supports 10 'slots'
}
RGBFusion2SMBusController::~RGBFusion2SMBusController()
{
}
unsigned int RGBFusion2SMBusController::GetLEDCount()
{
return(led_count);
}
std::string RGBFusion2SMBusController::GetDeviceName()
{
return(name);
}
std::string RGBFusion2SMBusController::GetDeviceLocation()
{
std::string return_string(bus->device_name);
char addr[5];
snprintf(addr, 5, "0x%02X", dev);
return_string.append(", address ");
return_string.append(addr);
return("I2C: " + return_string);
}
/* Writes are performed in 32 byte chunks. If we need to write the second 16 bytes,
* we must necessarily write the first 16 as well. Given that reading the existing state
* from the device is not yet possible, unfortunately we may overwrite existing device
* states if the state transition did not occur within in the same OpenRGB instance.
* That is to say, the current behavior is non-deal but the best we have
*/
void RGBFusion2SMBusController::WriteLED(int led)
{
unsigned short register_offset = led / 2; // Relying on integer division to truncate
unsigned short write_register = RGB_FUSION_2_LED_START_ADDR + 2*register_offset;
// Adjust if we are writing the second 16 bytes
if(led % 2)
{
led -= 1;
}
bus->i2c_smbus_write_block_data(RGB_FUSION_2_SMBUS_ADDR, (u8)write_register, 32, led_data[led]);
}
void RGBFusion2SMBusController::Apply()
{
// Protocol expects terminating sequence 0x01ff written to register 0x17
bus->i2c_smbus_write_word_data(RGB_FUSION_2_SMBUS_ADDR,
RGB_FUSION_2_APPLY_ADDR,
RGB_FUSION_2_ACTION_APPLY);
}
void RGBFusion2SMBusController::SetLEDEffect
(
unsigned int led,
int mode,
unsigned int brightness,
unsigned int speed,
unsigned char red,
unsigned char green,
unsigned char blue
)
{
led_data[led][RGB_FUSION_2_IDX_MODE] = mode;
led_data[led][RGB_FUSION_2_IDX_RED] = red;
led_data[led][RGB_FUSION_2_IDX_GREEN] = green;
led_data[led][RGB_FUSION_2_IDX_BLUE] = blue;
led_data[led][RGB_FUSION_2_IDX_BRIGHTNESS] = 0x64;
switch (mode)
{
case RGB_FUSION_2_MODE_PULSE:
// Timer 1: On time
// Timer 2: Off time
led_data[led][RGB_FUSION_2_TIMER_1_LSB] = 0x20 * speed;
led_data[led][RGB_FUSION_2_TIMER_1_MSB] = 0x03 * speed;
led_data[led][RGB_FUSION_2_TIMER_2_LSB] = 0x20 * speed;
led_data[led][RGB_FUSION_2_TIMER_2_MSB] = 0x03 * speed;
break;
case RGB_FUSION_2_MODE_DIGITAL_WAVE:
// Timer 1: Wave Speed
led_data[led][RGB_FUSION_2_TIMER_1_LSB] = speed;
led_data[led][RGB_FUSION_2_TIMER_1_MSB] = 0x00;
led_data[led][RGB_FUSION_2_IDX_BRIGHTNESS] = brightness;
break;
case RGB_FUSION_2_MODE_DIGITAL_A:
// Timer 1: Directly controls speed of LED sections
led_data[led][RGB_FUSION_2_TIMER_1_LSB] = speed;
led_data[led][RGB_FUSION_2_TIMER_1_MSB] = 0x00; // Setting this to any number other than 0 slows down the effect
led_data[led][RGB_FUSION_2_IDX_OPT_1] = 0x01; // Doesn't do anything, but always defaults to 0x01
break;
case RGB_FUSION_2_MODE_DIGITAL_B:
// Timer 1: Direct control of section speed and pulsing
led_data[led][RGB_FUSION_2_TIMER_1_LSB] = speed; // Main effect speed
led_data[led][RGB_FUSION_2_TIMER_1_MSB] = 0x00; // Only sets to 0x01 in min speed. Makes light section blink for shorter periods
led_data[led][RGB_FUSION_2_IDX_OPT_1] = 0x05 - (speed / 60); // Changes between 0x01 and 0x04 along with speed. Controls light trail length.
break;
case RGB_FUSION_2_MODE_DIGITAL_C:
// Timer 1: Effect Speed
led_data[led][RGB_FUSION_2_TIMER_1_LSB] = speed;
led_data[led][RGB_FUSION_2_TIMER_1_MSB] = 0x00; // Like Digital A, slows down the effect, but never sets to another number.
led_data[led][RGB_FUSION_2_IDX_OPT_1] = 0x04; // Fixed at 0x04. Does nothing.
break;
case RGB_FUSION_2_MODE_DIGITAL_D:
// Timer 1: Effect Speed
led_data[led][RGB_FUSION_2_TIMER_1_LSB] = speed;
led_data[led][RGB_FUSION_2_TIMER_1_MSB] = 0x00; // Like Digital A, slows down the effect, but never sets to another number.
led_data[led][RGB_FUSION_2_IDX_OPT_1] = 0x04; // Fixed at 0x04. Does nothing.
led_data[led][RGB_FUSION_2_IDX_BRIGHTNESS] = brightness;
break;
case RGB_FUSION_2_MODE_DIGITAL_E:
// Timer 1: Effect Speed
led_data[led][RGB_FUSION_2_TIMER_1_LSB] = speed;
led_data[led][RGB_FUSION_2_TIMER_1_MSB] = 0; // Like Digital A, slows down the effect, but never sets to another number.
led_data[led][RGB_FUSION_2_IDX_OPT_1] = 0x05 - (speed / 50); // Changes between 0x02 and 0x04 according to speed, might be similar to Digital B.
break;
case RGB_FUSION_2_MODE_DIGITAL_F:
// Timer 1: Effect Speed
led_data[led][RGB_FUSION_2_TIMER_1_LSB] = speed;
led_data[led][RGB_FUSION_2_TIMER_1_MSB] = 0x00; // Like Digital A, slows down the effect, but never sets to another number.
led_data[led][RGB_FUSION_2_IDX_OPT_1] = 0x04; // Fixed at 0x04. Does nothing.
led_data[led][RGB_FUSION_2_IDX_BRIGHTNESS] = brightness;
break;
case RGB_FUSION_2_MODE_DIGITAL_G:
// Timer 1: Effect Speed
led_data[led][RGB_FUSION_2_TIMER_1_LSB] = speed;
led_data[led][RGB_FUSION_2_TIMER_1_MSB] = 0x00; // Like Digital A, slows down the effect, but never sets to another number.
led_data[led][RGB_FUSION_2_IDX_OPT_1] = 0x04; // Fixed at 0x04. Does nothing.
led_data[led][RGB_FUSION_2_IDX_BRIGHTNESS] = brightness;
break;
case RGB_FUSION_2_MODE_COLOR_CYCLE:
// Timer 1: Cycle time
led_data[led][RGB_FUSION_2_TIMER_1_LSB] = 0x00;
led_data[led][RGB_FUSION_2_TIMER_1_MSB] = 0x03 * speed;
led_data[led][RGB_FUSION_2_IDX_OPT_1] = 0x07; // Number of colors to cycle through. Valid range [1-7]
led_data[led][RGB_FUSION_2_IDX_OPT_2] = 0x00; // Color cycle, or color cycle and pulse. [0,1]
led_data[led][RGB_FUSION_2_IDX_BRIGHTNESS] = brightness;
break;
case RGB_FUSION_2_MODE_FLASHING:
/* Timer 1: On time
* Timer 2: Interval
* Timer 3: Cycle time */
led_data[led][RGB_FUSION_2_TIMER_1_LSB] = 0x64;
led_data[led][RGB_FUSION_2_TIMER_1_MSB] = 0;
led_data[led][RGB_FUSION_2_TIMER_2_LSB] = 0xc8;
led_data[led][RGB_FUSION_2_TIMER_2_MSB] = 0;
led_data[led][RGB_FUSION_2_TIMER_3_LSB] = 0xd0;
led_data[led][RGB_FUSION_2_TIMER_3_MSB] = 0x07;
led_data[led][RGB_FUSION_2_IDX_OPT_1] = speed; // Controls number of flashes
break;
}
WriteLED(led);
}