idac: 837-15070 board implementation

idacio/dllmain.c

@@ -19,7 +19,7 @@ static bool idac_io_coin;
 
 uint16_t idac_io_get_api_version(void)
 {
-    return 0x0100;
+    return 0x0101;
 }
 
 HRESULT idac_io_init(void)
@@ -118,3 +118,44 @@ void idac_io_get_analogs(struct idac_io_analog_state *out)
     out->accel = tmp.accel;
     out->brake = tmp.brake;
 }
+
+HRESULT idac_io_led_init(void)
+{
+    return S_OK;
+}
+
+void idac_io_led_set_fet_output(const uint8_t *rgb)
+{
+#if 0
+    dprintf("IDAC LED: LEFT SEAT LED: %02X\n", rgb[0]);
+    dprintf("IDAC LED: RIGHT SEAT LED: %02X\n", rgb[1]);
+#endif
+
+    return;
+}
+
+void idac_io_led_gs_update(const uint8_t *rgb)
+{
+#if 0
+    for (int i = 0; i < 9; i++) {
+        dprintf("IDAC LED: LED %d: %02X %02X %02X Speed: %02X\n",
+                i, rgb[i * 4], rgb[i * 4 + 1], rgb[i * 4 + 2], rgb[i * 4 + 3]);
+    }
+#endif
+
+    return;
+}
+
+void idac_io_led_set_leds(const uint8_t *rgb)
+{
+#if 0
+    dprintf("IDAC LED: START: %02X\n", rgb[0]);
+    dprintf("IDAC LED: VIEW CHANGE: %02X\n", rgb[1]);
+    dprintf("IDAC LED: UP: %02X\n", rgb[2]);
+    dprintf("IDAC LED: DOWN: %02X\n", rgb[3]);
+    dprintf("IDAC LED: RIGHT: %02X\n", rgb[4]);
+    dprintf("IDAC LED: LEFT: %02X\n", rgb[5]);
+#endif
+
+    return;
+}

idacio/idacio.def

@@ -6,3 +6,7 @@ EXPORTS
     idac_io_get_gamebtns
     idac_io_get_shifter
     idac_io_get_analogs
+    idac_io_led_init
+    idac_io_led_set_fet_output
+    idac_io_led_gs_update
+    idac_io_led_set_leds

idacio/idacio.h

@@ -19,6 +19,17 @@ enum {
     IDAC_IO_GAMEBTN_VIEW_CHANGE = 0x20,
 };
 
+enum {
+    /* These are the bitmasks to use when checking which
+       lights are triggered on incoming IO4 GPIO writes. */
+    IDAC_IO_LED_START = 1 << 31,
+    IDAC_IO_LED_VIEW_CHANGE = 1 << 30,
+    IDAC_IO_LED_UP = 1 << 25,
+    IDAC_IO_LED_DOWN = 1 << 24,
+    IDAC_IO_LED_LEFT = 1 << 23,
+    IDAC_IO_LED_RIGHT = 1 << 22,
+};
+
 struct idac_io_analog_state {
     /* Current steering wheel position, where zero is the centered position.
 
@@ -92,4 +103,60 @@ void idac_io_get_analogs(struct idac_io_analog_state *out);
 
    Minimum API version: 0x0100 */
 
-void idac_io_get_shifter(uint8_t *gear);
+void idac_io_get_shifter(uint8_t *gear);
+
+/* Initialize LED emulation. This function will be called before any
+   other idac_io_led_*() function calls.
+
+   All subsequent calls may originate from arbitrary threads and some may
+   overlap with each other. Ensuring synchronization inside your IO DLL is
+   your responsibility. 
+   
+   Minimum API version: 0x0101 */
+
+HRESULT idac_io_led_init(void);
+
+/* Update the FET outputs. rgb is a pointer to an array up to 3 bytes.
+
+   The following bits are used to control the FET outputs:
+   [0]: LEFT SEAT LED
+   [1]: RIGHT SEAT LED
+
+   The LED is truned on when the byte is 255 and turned off when the byte is 0.
+
+   Minimum API version: 0x0101 */
+
+void idac_io_led_set_fet_output(const uint8_t *rgb);
+
+/* Update the RGB LEDs. rgb is a pointer to an array up to 32 * 4 = 128 bytes. 
+
+   The LEDs are laid out as follows:
+   [0]: LEFT UP LED
+   [1-2]: LEFT CENTER LED
+   [3]: LEFT DOWN LED
+   [5]: RIGHT UP LED
+   [6-7]: RIGHT CENTER LED
+   [8]: RIGHT DOWN LED
+
+   Each rgb value is comprised for 4 bytes in the order of R, G, B, Speed.
+   Speed is a value from 0 to 255, where 0 is the fastest speed and 255 is the slowest.
+
+   Minimum API version: 0x0101 */
+
+void idac_io_led_gs_update(const uint8_t *rgb);
+
+/* Update the cabinet button LEDs. rgb is a pointer to an array up to 6 bytes.
+
+   The LEDs are laid out as follows:
+   [0]: START LED
+   [1]: VIEW CHANGE LED
+   [2]: UP LED
+   [3]: DOWN LED
+   [4]: RIGHT LED
+   [5]: LEFT LED
+
+   The LED is turned on when the byte is 255 and turned off when the byte is 0.
+
+   Minimum API version: 0x0101 */
+
+void idac_io_led_set_leds(const uint8_t *rgb);