chuni/chusan: added LED output to DLLs (will break most DLLs)

Credits: somewhatlurker, skogaby https://dev.s-ul.net/skogaby/segatools/-/blob/ongeki-15093/
2023-12-19 12:43:26 +01:00
parent ed042176d7
commit 8ebdf67d6e
33 changed files with 743 additions and 107 deletions
--- a/chuniio/ledoutput.c
+++ b/chuniio/ledoutput.c
@ -0,0 +1,133 @@
+#include <windows.h>
+
+#include <process.h>
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "chuniio/config.h"
+#include "chuniio/leddata.h"
+#include "chuniio/ledoutput.h"
+#include "chuniio/pipeimpl.h"
+#include "chuniio/serialimpl.h"
+
+static struct _chuni_led_data_buf_t led_unescaped_buf[LED_BOARDS_TOTAL];
+static struct _chuni_led_data_buf_t led_escaped_buf[LED_BOARDS_TOTAL];
+
+static bool led_output_is_init = false;
+static struct chuni_io_config* config;
+static bool any_outputs_enabled;
+
+HANDLE led_init_mutex;
+
+int led_output_init(struct chuni_io_config* const cfg)
+{
+    DWORD dwWaitResult = WaitForSingleObject(led_init_mutex, INFINITE);
+    if (dwWaitResult == WAIT_FAILED)
+    {
+        // return HRESULT_FROM_WIN32(GetLastError());
+        return 1;
+    }
+    else if (dwWaitResult != WAIT_OBJECT_0)
+    {
+        // return E_FAIL;
+        return 1;
+    }
+    
+    if (!led_output_is_init)
+    {
+        config = cfg;
+        
+        // Setup the framing bytes for the packets
+        for (int i = 0; i < LED_BOARDS_TOTAL; i++) {
+            led_unescaped_buf[i].framing = LED_PACKET_FRAMING;
+            led_unescaped_buf[i].board = i;
+            led_unescaped_buf[i].data_len = chuni_led_board_data_lens[i];
+            
+            led_escaped_buf[i].framing = LED_PACKET_FRAMING;
+            led_escaped_buf[i].board = i;
+            led_escaped_buf[i].data_len = chuni_led_board_data_lens[i];
+        }
+        
+        any_outputs_enabled = config->led_output_pipe || config->slider_led_output_pipe
+            || config->led_output_serial || config->slider_led_output_serial;
+        
+        if (config->led_output_pipe || config->slider_led_output_pipe)
+        {
+            led_pipe_init();  // don't really care about errors here tbh
+        }
+        
+        if (config->led_output_serial || config->slider_led_output_serial)
+        {
+            led_serial_init(config->led_serial_port, config->led_serial_baud);
+        }
+    }
+    
+    led_output_is_init = true;
+    
+    ReleaseMutex(led_init_mutex);
+    // return S_OK;
+    return 0;
+}
+
+struct _chuni_led_data_buf_t* escape_led_data(struct _chuni_led_data_buf_t* unescaped)
+{
+    struct _chuni_led_data_buf_t* out_struct = &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 led_output_update(uint8_t board, const byte* rgb)
+{
+    if (board < 0 || board > 2 || !any_outputs_enabled)
+    {
+        return;
+    }
+    
+    memcpy(led_unescaped_buf[board].data, rgb, led_unescaped_buf[board].data_len);
+    struct _chuni_led_data_buf_t* escaped_data = escape_led_data(&led_unescaped_buf[board]);
+    
+    if (board < 2)
+    {
+        // billboard
+        if (config->led_output_pipe)
+        {
+            led_pipe_update(escaped_data);
+        }
+        
+        if (config->led_output_serial)
+        {
+            led_serial_update(escaped_data);
+        }
+    }
+    else
+    {
+        // slider
+        if (config->slider_led_output_pipe)
+        {
+            led_pipe_update(escaped_data);
+        }
+        
+        if (config->slider_led_output_serial)
+        {
+            led_serial_update(escaped_data);
+        }
+    }
+}