segatools/mu3io/ledoutput.c

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2024-05-12 20:02:53 +00:00
#include <windows.h>
#include <process.h>
#include <stdbool.h>
#include <stdint.h>
#include "mu3io/config.h"
#include "mu3io/leddata.h"
#include "mu3io/ledoutput.h"
#include "mu3io/pipeimpl.h"
#include "mu3io/serialimpl.h"
static struct _ongeki_led_data_buf_t mu3_led_unescaped_buf[LED_BOARDS_TOTAL];
static struct _ongeki_led_data_buf_t mu3_led_escaped_buf[LED_BOARDS_TOTAL];
static bool mu3_led_output_is_init = false;
static struct mu3_io_config* mu3_io_config;
static bool mu3_led_any_outputs_enabled;
HANDLE mu3_led_init_mutex;
HRESULT mu3_led_output_init(struct mu3_io_config* const cfg)
{
DWORD dwWaitResult = WaitForSingleObject(mu3_led_init_mutex, INFINITE);
if (dwWaitResult == WAIT_FAILED)
{
return HRESULT_FROM_WIN32(GetLastError());
}
else if (dwWaitResult != WAIT_OBJECT_0)
{
return E_FAIL;
}
if (!mu3_led_output_is_init)
{
mu3_io_config = cfg;
// Setup the framing bytes for the packets
for (int i = 0; i < LED_BOARDS_TOTAL; i++) {
mu3_led_unescaped_buf[i].framing = LED_PACKET_FRAMING;
mu3_led_unescaped_buf[i].board = i;
mu3_led_unescaped_buf[i].data_len = ongeki_led_board_data_lens[i];
mu3_led_escaped_buf[i].framing = LED_PACKET_FRAMING;
mu3_led_escaped_buf[i].board = i;
mu3_led_escaped_buf[i].data_len = ongeki_led_board_data_lens[i];
}
mu3_led_any_outputs_enabled = mu3_io_config->cab_led_output_pipe || mu3_io_config->controller_led_output_pipe
|| mu3_io_config->cab_led_output_serial || mu3_io_config->controller_led_output_serial;
if (mu3_io_config->cab_led_output_pipe || mu3_io_config->controller_led_output_pipe)
{
mu3_led_pipe_init(); // don't really care about errors here tbh
}
if (mu3_io_config->cab_led_output_serial || mu3_io_config->controller_led_output_serial)
{
mu3_led_serial_init(mu3_io_config->led_serial_port, mu3_io_config->led_serial_baud);
}
}
mu3_led_output_is_init = true;
ReleaseMutex(mu3_led_init_mutex);
return S_OK;
}
struct _ongeki_led_data_buf_t* escape_led_data(struct _ongeki_led_data_buf_t* unescaped)
{
struct _ongeki_led_data_buf_t* out_struct = &mu3_led_escaped_buf[unescaped->board];
byte* in_buf = unescaped->data;
byte* out_buf = out_struct->data;
int i = 0;
int o = 0;
while (i < unescaped->data_len)
{
byte b = in_buf[i++];
if (b == LED_PACKET_FRAMING || b == LED_PACKET_ESCAPE)
{
out_buf[o++] = LED_PACKET_ESCAPE;
b--;
}
out_buf[o++] = b;
}
out_struct->data_len = o;
return out_struct;
}
void mu3_led_output_update(int board, const byte* rgb)
{
if (board < 0 || board > 1 || !mu3_led_any_outputs_enabled)
{
return;
}
memcpy(mu3_led_unescaped_buf[board].data, rgb, mu3_led_unescaped_buf[board].data_len);
struct _ongeki_led_data_buf_t* escaped_data = escape_led_data(&mu3_led_unescaped_buf[board]);
if (board == 0)
{
// cab
if (mu3_io_config->cab_led_output_pipe)
{
mu3_led_pipe_update(escaped_data);
}
if (mu3_io_config->cab_led_output_serial)
{
mu3_led_serial_update(escaped_data);
}
}
else
{
// slider
if (mu3_io_config->controller_led_output_pipe)
{
mu3_led_pipe_update(escaped_data);
}
if (mu3_io_config->controller_led_output_serial)
{
mu3_led_serial_update(escaped_data);
}
}
}