Rethink positional input; Add input configuration logic

graphics/traveler/Kconfig

@@ -17,6 +17,38 @@ config GRAPHICS_TRAVELER_RGB32_888
 
 endchoice # Color format
 
+config GRAPHICS_TRAVELER_JOYSTICK
+	bool
+	default n
+
+choice
+	prompt "Input device"
+	default GRAPHICS_TRAVELER_AJOYSTICK if CONFIG_AJOYSTICK
+	default GRAPHICS_TRAVELER_DJOYSTICK if CONFIG_DJOYSTICK && !CONFIG_AJOYSTICK
+	default GRAPHICS_TRAVELER_NX_XYINPUT if CONFIG_NX_XYINPUT && !CONFIG_AJOYSTICK && !CONFIG_DJOYSTICK
+
+config GRAPHICS_TRAVELER_AJOYSTICK
+	bool "Analog joystick"
+	depends on CONFIG_AJOYSTICK
+	select GRAPHICS_TRAVELER_JOYSTICK
+
+config GRAPHICS_TRAVELER_DJOYSTICK
+	bool "Discrete joystick"
+	depends on CONFIG_DJOYSTICK
+	select GRAPHICS_TRAVELER_JOYSTICK
+
+config GRAPHICS_TRAVELER_NX_XYINPUT
+	bool "NX X/Y input"
+	depends on CONFIG_NX_XYINPUT
+
+endchoice # Input device
+
+config GRAPHICS_TRAVELER_JOYDEV
+	string "Joystick device name"
+	default "/dev/ajoy0" if GRAPHICS_TRAVELER_AJOYSTICK
+	default "/dev/djoy0" if GRAPHICS_TRAVELER_DJOYSTICK
+	depends on GRAPHICS_TRAVELER_JOYSTICK
+
 config GRAPHICS_TRAVELER_PERFMON
 	bool "Performance monitor"
 	default y

graphics/traveler/include/trv_input.h

@@ -46,44 +46,26 @@
  * Pre-processor Definitions
  ****************************************************************************/
 
+struct trv_input_s
+{
+  int16_t fwdrate;    /* Forward motion rate.  Negative is backward */
+  int16_t leftrate;   /* Left motion rate.  Negative is right */
+  int16_t yawrate;    /* Yaw turn rate.  Positive is to the left */
+  int16_t pitchrate;  /* Pitch turn rate.  Positive is upward */
+  bool    dooropen;   /* True: Open a door */
+};
+
 /****************************************************************************
  * Public Types
  ****************************************************************************/
-/* INPUT */
-
-enum trv_move_event_e
-{
-  INPUT_MOVE_NONE = 0,
-  INPUT_MOVE_FORWARD,
-  INPUT_MOVE_BACKWARD,
-  INPUT_MOVE_LEFT,
-  INPUT_MOVE_RIGHT
-};
-
-enum trv_turn_event_e
-{
-  INPUT_TURN_NONE = 0,
-  INPUT_TURN_UP,
-  INPUT_TURN_DOWN,
-  INPUT_TURN_LEFT,
-  INPUT_TURN_RIGHT,
-};
-
-enum trv_door_event_e
-{
-  INPUT_DOOR_NONE = 0,
-  INPUT_DOOR_OPEN,
-};
 
 /****************************************************************************
  * Public Data
  ****************************************************************************/
 
-extern enum trv_move_event_e g_move_event;
+/* Report positional inputs */
-extern enum trv_turn_event_e g_turn_event;
+
-extern enum trv_door_event_e g_door_event;
+extern struct trv_input_s g_trv_input;
-extern trv_coord_t g_trv_move_rate;
-extern trv_coord_t g_trv_turn_rate;
 
 /****************************************************************************
  * Public Function Prototypes
@@ -92,5 +74,8 @@ extern trv_coord_t g_trv_turn_rate;
 void trv_input_initialize(void);
 void trv_input_read(void);
 void trv_input_terminate(void);
+#ifdef CONFIG_GRAPHICS_TRAVELER_NX_XYINPUT
+void trv_input_xyinput(trv_coord_t xpos, trv_coord_t xpos, uint8_t buttons);
+#endif
 
 #endif /* __APPS_GRAPHICS_TRAVELER_INCLUDE_TRV_INPUT_H */

graphics/traveler/src/trv_input.c

@@ -41,31 +41,85 @@
 #include "trv_types.h"
 #include "trv_input.h"
 
+#if defined(CONFIG_GRAPHICS_TRAVELER_JOYSTICK)
+#  include <fcntl.h>
+#  include <errno.h>
+
+#if defined(CONFIG_GRAPHICS_TRAVELER_AJOYSTICK)
+#  include <nuttx/input/ajoystick.h>
+#elif defined(CONFIG_GRAPHICS_TRAVELER_DJOYSTICK)
+#  include <nuttx/input/djoystick.h>
+#endif
+
+#elif defined(CONFIG_GRAPHICS_TRAVELER_NX_XYINPUT)
+#endif
+
+/****************************************************************************
+ * Pre-processor Definitions
+ *************************************************************************/
+
+/****************************************************************************
+ * Private Types
+ *************************************************************************/
+
+struct trv_input_info_s
+{
+#if defined(CONFIG_GRAPHICS_TRAVELER_JOYSTICK)
+  int fd;                   /* Open driver descriptor */
+#ifdef CONFIG_GRAPHICS_TRAVELER_AJOYSTICK
+  int16_t centerx;          /* Center X position */
+  int16_t maxleft;          /* Maximum left X position */
+  int16_t maxright;         /* Maximum right x position */
+  int16_t centery;          /* Center Y position */
+  int16_t maxforward;       /* Maximum forward Y position */
+  int16_t maxback;          /* Maximum backward Y position */
+#endif
+#elif defined(CONFIG_GRAPHICS_TRAVELER_NX_XYINPUT)
+  trv_coord_t xpos;         /* Reported X position */
+  trv_coord_t ypos;         /* Reported Y position */
+  uint8_t buttons;          /* Report button set */
+#endif
+};
+
 /****************************************************************************
  * Public Data
  *************************************************************************/
 
-extern enum trv_move_event_e g_move_event;
+/* Report positional inputs */
-extern enum trv_turn_event_e g_turn_event;
+
-extern enum trv_door_event_e g_door_event;
+struct trv_input_s g_trv_input;
-extern trv_coord_t g_trv_move_rate;
-extern trv_coord_t g_trv_turn_rate;
 
 /****************************************************************************
  * Private Function Prototypes
  ****************************************************************************/
 
+#ifdef CONFIG_GRAPHICS_TRAVELER_NX_XYINPUT
+static struct trv_input_info_s g_trv_input_info;
+#endif
+
 /****************************************************************************
  * Private Data
  *************************************************************************/
 
-static const char g_default_worldfile[] = "transfrm.wld";
-static FAR struct trv_graphics_info_s g_trv_ginfo;
-
 /****************************************************************************
  * Private Functions
  ****************************************************************************/
 
+/****************************************************************************
+ * Name: trv_joystick_calibrate
+ *
+ * Description:
+ *   Calibrate the joystick
+ *
+ ****************************************************************************/
+
+#ifdef CONFIG_GRAPHICS_TRAVELER_AJOYSTICK
+static void trv_joystick_calibrate(void)
+{
+#warning Missing logic"
+}
+#endif
+
 /****************************************************************************
  * Public Functions
  ****************************************************************************/
@@ -80,20 +134,82 @@ static FAR struct trv_graphics_info_s g_trv_ginfo;
 
 void trv_input_initialize(void)
 {
-#warning Missing Logic
+#if defined(CONFIG_GRAPHICS_TRAVELER_JOYSTICK)
+  /* Open the joy stick device */
+
+  g_trv_input_info.fd = open(CONFIG_GRAPHICS_TRAVELER_JOYDEV, O_RDONLY);
+  if (g_trv_input_info.fd < 0)
+    {
+      trv_abort("ERROR: Failed to open %s: %d\n",
+                CONFIG_GRAPHICS_TRAVELER_JOYDEV, errno);
+    }
+
+#ifdef CONFIG_GRAPHICS_TRAVELER_AJOYSTICK
+  /* Calibrate the analog joystick device */
+
+  trv_joystick_calibrate();
+#endif
+
+#elif defined(CONFIG_GRAPHICS_TRAVELER_NX_XYINPUT)
+  /* Set the position to the center of the display at eye-level */
+#warning Missing logic
+#endif
 }
 
 /****************************************************************************
  * Name: trv_input_read
  *
  * Description:
- *   Read the next input froom the input device
+ *   Read the next input from the input device
  *
  ****************************************************************************/
 
 void trv_input_read(void)
 {
-#warning Missing Logic
+#if defined(CONFIG_GRAPHICS_TRAVELER_JOYSTICK)
+#if defined(CONFIG_GRAPHICS_TRAVELER_AJOYSTICK)
+  struct ajoy_sample_s sample;
+  ssize_t nread;
+
+  /* Read data from the analog joystick */
+
+  nread = read(g_trv_input_info.fd, &sample, sizeof(struct ajoy_sample_s));
+  if (nread < 0)
+    {
+      trv_abort("ERROR: Joystick read error: %d\n", errno);
+    }
+  else if (nread != sizeof(struct ajoy_sample_s))
+    {
+      trv_abort("ERROR: Unexpected joystick read size: %ld\n", (long)nread);
+    }
+
+  /* Determine the input data to return to the POV logic */
+#warning Missing logic
+
+#elif defined(CONFIG_GRAPHICS_TRAVELER_DJOYSTICK)
+  struct djoy_sample_s sample;
+  ssize_t nread;
+
+  /* Read data from the discrete joystick */
+
+  nread = read(g_trv_input_info.fd, &sample, sizeof(struct djoy_sample_s));
+  if (nread < 0)
+    {
+      trv_abort("ERROR: Joystick read error: %d\n", errno);
+    }
+  else if (nread != sizeof(struct djoy_sample_s))
+    {
+      trv_abort("ERROR: Unexpected joystick read size: %ld\n", (long)nread);
+    }
+
+  /* Determine the input data to return to the POV logic */
+#warning Missing logic
+
+#endif
+#elif defined(CONFIG_GRAPHICS_TRAVELER_NX_XYINPUT)
+  /* Make position decision based on last sampled X/Y input data */
+#warning Missing logic
+#endif
 }
 
 /****************************************************************************
@@ -106,5 +222,28 @@ void trv_input_read(void)
 
 void trv_input_terminate(void)
 {
+#ifdef CONFIG_GRAPHICS_TRAVELER_JOYSTICK
+#endif
 #warning Missing Logic
 }
+
+/****************************************************************************
+ * Name: trv_input_xyinput
+ *
+ * Description:
+ *   Receive X/Y input from NX
+ *
+ ****************************************************************************/
+
+#ifdef CONFIG_GRAPHICS_TRAVELER_NX_XYINPUT
+void trv_input_xyinput(trv_coord_t xpos, trv_coord_t xpos, uint8_t buttons)
+{
+  /* Just save the positional data and button presses for now.  We will
+   * decide what to do with the data when we are polled for new input.
+   */
+
+  g_trv_input_info.xpos    = xpos;
+  g_trv_input_info.ypos    = ypos;
+  g_trv_input_info.buttons = buttons;
+}
+#endif

graphics/traveler/src/trv_nxbkgd.c

@@ -38,6 +38,9 @@
  ****************************************************************************/
 
 #include "trv_types.h"
+#ifdef CONFIG_GRAPHICS_TRAVELER_NX_XYINPUT
+#  include "trv_input.h"
+#endif
 
 #include <string.h>
 #include <semaphore.h>
@@ -122,7 +125,7 @@ static void trv_nxposition(NXWINDOW hwnd, FAR const struct nxgl_size_s *size,
 
   /* Report the position */
 
-  gvdbg("hwnd=%p size=(%d,%d) pos=(%d,%d) bounds={(%d,%d),(%d,%d)}\n",
+  trv_vdebug("hwnd=%p size=(%d,%d) pos=(%d,%d) bounds={(%d,%d),(%d,%d)}\n",
         hwnd, size->w, size->h, pos->x, pos->y,
         bounds->pt1.x, bounds->pt1.y, bounds->pt2.x, bounds->pt2.y);
 
@@ -141,7 +144,7 @@ static void trv_nxposition(NXWINDOW hwnd, FAR const struct nxgl_size_s *size,
 
       g_trv_nxresolution = true;
       sem_post(&g_trv_nxevent);
-      gvdbg("Have width=%d height=%d\n", ginfo->width, ginfo->height);
+      trv_vdebug("Have width=%d height=%d\n", ginfo->width, ginfo->height);
     }
 }
 
@@ -153,8 +156,12 @@ static void trv_nxposition(NXWINDOW hwnd, FAR const struct nxgl_size_s *size,
 static void trv_nxmousein(NXWINDOW hwnd, FAR const struct nxgl_point_s *pos,
                          uint8_t buttons, FAR void *arg)
 {
-  printf("trv_nxmousein: hwnd=%p pos=(%d,%d) button=%02x\n",
+  trv_vdebug("trv_nxmousein: hwnd=%p pos=(%d,%d) button=%02x\n",
          hwnd,  pos->x, pos->y, buttons);
+
+#ifdef CONFIG_GRAPHICS_TRAVELER_NX_XYINPUT
+  trv_input_xyinput((trv_coord_t)pos->x,(trv_coord_t) pos->y, buttons);
+#endif
 }
 #endif
 
@@ -166,7 +173,7 @@ static void trv_nxmousein(NXWINDOW hwnd, FAR const struct nxgl_point_s *pos,
 static void trv_nxkbdin(NXWINDOW hwnd, uint8_t nch, FAR const uint8_t *ch,
                        FAR void *arg)
 {
-  gvdbg("hwnd=%p nch=%d\n", hwnd, nch);
+  trv_vdebug("hwnd=%p nch=%d\n", hwnd, nch);
 }
 #endif