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111 lines
4.7 KiB
C++
111 lines
4.7 KiB
C++
/*---------------------------------------------------------*\
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| BloodyB820RController.cpp |
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| Driver for A4Tech Bloody B820R Keyboard |
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| Mohammed Julfikar Ali Mahbub (o-julfikar) 01 Apr 2024 |
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| This file is part of the OpenRGB project |
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| SPDX-License-Identifier: GPL-2.0-or-later |
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\*---------------------------------------------------------*/
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#include "BloodyB820RController.h"
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#include "StringUtils.h"
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/*-------------------------------------------------------------------------------------*\
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| The controller for this device should pass a packet of 64 bytes where the subsequent |
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| two packets are for RED, GREEN, and BLUE respectively. The first 6 bytes are control |
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| or information bytes and colors bytes starts from index 6. Moreover, the first pack- |
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| et of each RGB contains color for 58 keys and the rest (104 - 58 == 46) are send on |
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| the second packet. |
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\*-------------------------------------------------------------------------------------*/
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BloodyB820RController::BloodyB820RController(hid_device* dev_handle, const char* path, std::string dev_name)
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{
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dev = dev_handle;
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location = path;
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name = dev_name;
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SendControlPacket(BLOODY_B820R_GAIN_CONTROL);
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}
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BloodyB820RController::~BloodyB820RController()
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{
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SendControlPacket(BLOODY_B820R_RELEASE_CONTROL);
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hid_close(dev);
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}
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std::string BloodyB820RController::GetSerial()
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{
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wchar_t serial_string[HID_MAX_STR];
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int ret = hid_get_serial_number_string(dev, serial_string, HID_MAX_STR);
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if(ret != 0)
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{
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return("");
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}
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return(StringUtils::wstring_to_string(serial_string));
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}
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std::string BloodyB820RController::GetLocation()
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{
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return("HID: " + location);
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}
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std::string BloodyB820RController::GetName()
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{
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return(name);
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}
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void BloodyB820RController::SendControlPacket(uint8_t data)
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{
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uint8_t buffer[BLOODY_B820R_PACKET_SIZE] = { 0x07, 0x03, 0x06, 0x01, 0x00, 0x00, 0x00, 0x00 };
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hid_send_feature_report(dev, buffer, BLOODY_B820R_PACKET_SIZE);
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buffer[BLOODY_B820R_MODE_BYTE] = 0;
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buffer[BLOODY_B820R_DATA_BYTE] = data;
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hid_send_feature_report(dev, buffer, BLOODY_B820R_PACKET_SIZE);
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}
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void BloodyB820RController::SetLEDDirect(std::vector<RGBColor> colors)
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{
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uint8_t r1_buffer[BLOODY_B820R_PACKET_SIZE] = { 0x07, 0x03, 0x06, 0x07, 0x00, 0x00 };
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uint8_t r2_buffer[BLOODY_B820R_PACKET_SIZE] = { 0x07, 0x03, 0x06, 0x08, 0x00, 0x00 };
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uint8_t g1_buffer[BLOODY_B820R_PACKET_SIZE] = { 0x07, 0x03, 0x06, 0x09, 0x00, 0x00 };
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uint8_t g2_buffer[BLOODY_B820R_PACKET_SIZE] = { 0x07, 0x03, 0x06, 0x0A, 0x00, 0x00 };
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uint8_t b1_buffer[BLOODY_B820R_PACKET_SIZE] = { 0x07, 0x03, 0x06, 0x0B, 0x00, 0x00 };
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uint8_t b2_buffer[BLOODY_B820R_PACKET_SIZE] = { 0x07, 0x03, 0x06, 0x0C, 0x00, 0x00 };
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/*-----------------------------------------------------------------*\
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| Set up Direct packet |
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| packet_map is the index of the Key from full_matrix_map and |
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| the value is the position in the direct packet buffer |
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\*-----------------------------------------------------------------*/
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for(size_t i = 0; i < colors.size(); i++)
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{
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RGBColor color = colors[i];
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uint8_t offset = BLOODY_B820R_RGB_OFFSET;
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uint8_t buffer_idx = offset + i % BLOODY_B820R_RGB_BUFFER_SIZE;
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uint8_t* buffers[2][3] =
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{
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{r1_buffer, g1_buffer, b1_buffer},
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{r2_buffer, g2_buffer, b2_buffer}
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};
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buffers[i >= BLOODY_B820R_RGB_BUFFER_SIZE][0][buffer_idx] = RGBGetRValue(color);
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buffers[i >= BLOODY_B820R_RGB_BUFFER_SIZE][1][buffer_idx] = RGBGetGValue(color);
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buffers[i >= BLOODY_B820R_RGB_BUFFER_SIZE][2][buffer_idx] = RGBGetBValue(color);
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}
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hid_send_feature_report(dev, r1_buffer, BLOODY_B820R_PACKET_SIZE);
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hid_send_feature_report(dev, r2_buffer, BLOODY_B820R_PACKET_SIZE);
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hid_send_feature_report(dev, g1_buffer, BLOODY_B820R_PACKET_SIZE);
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hid_send_feature_report(dev, g2_buffer, BLOODY_B820R_PACKET_SIZE);
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hid_send_feature_report(dev, b1_buffer, BLOODY_B820R_PACKET_SIZE);
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hid_send_feature_report(dev, b2_buffer, BLOODY_B820R_PACKET_SIZE);
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}
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