Updated all host mode demos and projects to use the EVENT_USB_Host_DeviceEnumerationC...

[pub/USBasp.git] / Demos / Host / LowLevel / MIDIHost / MIDIHost.c

diff --git a/Demos/Host/LowLevel/MIDIHost/MIDIHost.c b/Demos/Host/LowLevel/MIDIHost/MIDIHost.c
index 6924fd4..e89b261 100644 (file)
--- a/Demos/Host/LowLevel/MIDIHost/MIDIHost.c
+++ b/Demos/Host/LowLevel/MIDIHost/MIDIHost.c
@@ -50,7 +50,8 @@ int main(void)
 
        for (;;)
        {
 
        for (;;)
        {

-               MIDI_Host_Task();
+               MIDIHost_Task();
+

                USB_USBTask();
        }
 }
                USB_USBTask();
        }
 }


@@ -99,6 +100,35 @@ void EVENT_USB_Host_DeviceUnattached(void)
  */
 void EVENT_USB_Host_DeviceEnumerationComplete(void)
 {
  */
 void EVENT_USB_Host_DeviceEnumerationComplete(void)
 {

+       puts_P(PSTR("Getting Config Data.\r\n"));
+
+       uint8_t ErrorCode;
+
+       /* Get and process the configuration descriptor data */
+       if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead)
+       {
+               if (ErrorCode == ControlError)
+                 puts_P(PSTR(ESC_FG_RED "Control Error (Get Configuration).\r\n"));
+               else
+                 puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n"));
+
+               printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
+
+               LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+               return;
+       }
+
+       /* Set the device configuration to the first configuration (rarely do devices use multiple configurations) */
+       if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful)
+       {
+               printf_P(PSTR(ESC_FG_RED "Control Error (Set Configuration).\r\n"
+                                        " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
+
+               LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+               return;
+       }
+
+       puts_P(PSTR("MIDI Device Enumerated.\r\n"));

        LEDs_SetAllLEDs(LEDMASK_USB_READY);
 }
 
        LEDs_SetAllLEDs(LEDMASK_USB_READY);
 }
 


@@ -128,147 +158,102 @@ void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode,
        LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 }
 
        LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 }
 

-/** Task to set the configuration of the attached device after it has been enumerated, and to read in
- *  note on/off messages from the attached MIDI device and print it to the serial port. When the board
- *  joystick or buttons are pressed, note on/off messages are sent to the attached device.
+/** Task to read in note on/off messages from the attached MIDI device and print it to the serial port.
+ *  When the board joystick or buttons are pressed, note on/off messages are sent to the attached device.

  */
  */

-void MIDI_Host_Task(void)
+void MIDIHost_Task(void)

 {
 {

-       uint8_t ErrorCode;
+       if (USB_HostState != HOST_STATE_Configured)
+         return;
+         
+       Pipe_SelectPipe(MIDI_DATA_IN_PIPE);

 
 

-       switch (USB_HostState)
+       if (Pipe_IsINReceived())

        {
        {

-               case HOST_STATE_Addressed:
-                       puts_P(PSTR("Getting Config Data.\r\n"));
-
-                       /* Get and process the configuration descriptor data */
-                       if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead)
-                       {
-                               if (ErrorCode == ControlError)
-                                 puts_P(PSTR(ESC_FG_RED "Control Error (Get Configuration).\r\n"));
-                               else
-                                 puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n"));
-
-                               printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
-
-                               /* Indicate error via status LEDs */
-                               LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
-
-                               /* Wait until USB device disconnected */
-                               USB_HostState = HOST_STATE_WaitForDeviceRemoval;
-                               break;
-                       }
-
-                       /* Set the device configuration to the first configuration (rarely do devices use multiple configurations) */
-                       if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful)
-                       {
-                               printf_P(PSTR(ESC_FG_RED "Control Error (Set Configuration).\r\n"
-                                                        " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
-
-                               /* Indicate error via status LEDs */
-                               LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
-
-                               /* Wait until USB device disconnected */
-                               USB_HostState = HOST_STATE_WaitForDeviceRemoval;
-                               break;
-                       }
+               MIDI_EventPacket_t MIDIEvent;

 
 

-                       puts_P(PSTR("MIDI Device Enumerated.\r\n"));
+               Pipe_Read_Stream_LE(&MIDIEvent, sizeof(MIDIEvent), NULL);

 
 

-                       USB_HostState = HOST_STATE_Configured;
-                       break;
-               case HOST_STATE_Configured:
-                       Pipe_SelectPipe(MIDI_DATA_IN_PIPE);
+               if (!(Pipe_BytesInPipe()))
+                 Pipe_ClearIN();

 
 

-                       if (Pipe_IsINReceived())
-                       {
-                               MIDI_EventPacket_t MIDIEvent;
+               bool NoteOnEvent  = ((MIDIEvent.Command & 0x0F) == (MIDI_COMMAND_NOTE_ON  >> 4));
+               bool NoteOffEvent = ((MIDIEvent.Command & 0x0F) == (MIDI_COMMAND_NOTE_OFF >> 4));

 
 

-                               Pipe_Read_Stream_LE(&MIDIEvent, sizeof(MIDIEvent), NULL);
-
-                               if (!(Pipe_BytesInPipe()))
-                                 Pipe_ClearIN();
-
-                               bool NoteOnEvent  = ((MIDIEvent.Command & 0x0F) == (MIDI_COMMAND_NOTE_ON  >> 4));
-                               bool NoteOffEvent = ((MIDIEvent.Command & 0x0F) == (MIDI_COMMAND_NOTE_OFF >> 4));
-
-                               if (NoteOnEvent || NoteOffEvent)
-                               {
-                                       printf_P(PSTR("MIDI Note %s - Channel %d, Pitch %d, Velocity %d\r\n"), NoteOnEvent ? "On" : "Off",
-                                                                                                          ((MIDIEvent.Data1 & 0x0F) + 1),
-                                                                                                          MIDIEvent.Data2, MIDIEvent.Data3);
-                               }                               
-                       }
-
-                       Pipe_SelectPipe(MIDI_DATA_OUT_PIPE);
-
-                       if (Pipe_IsOUTReady())
-                       {
-                               uint8_t MIDICommand = 0;
-                               uint8_t MIDIPitch;
-
-                               static uint8_t PrevJoystickStatus;
-                               uint8_t JoystickStatus  = Joystick_GetStatus();
-                               uint8_t JoystickChanges = (JoystickStatus ^ PrevJoystickStatus);
-
-                               /* Get board button status - if pressed use channel 10 (percussion), otherwise use channel 1 */
-                               uint8_t Channel = ((Buttons_GetStatus() & BUTTONS_BUTTON1) ? MIDI_CHANNEL(10) : MIDI_CHANNEL(1));
-
-                               if (JoystickChanges & JOY_LEFT)
-                               {
-                                       MIDICommand = ((JoystickStatus & JOY_LEFT)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
-                                       MIDIPitch   = 0x3C;
-                               }
-
-                               if (JoystickChanges & JOY_UP)
-                               {
-                                       MIDICommand = ((JoystickStatus & JOY_UP)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
-                                       MIDIPitch   = 0x3D;
-                               }
-
-                               if (JoystickChanges & JOY_RIGHT)
-                               {
-                                       MIDICommand = ((JoystickStatus & JOY_RIGHT)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
-                                       MIDIPitch   = 0x3E;
-                               }
-
-                               if (JoystickChanges & JOY_DOWN)
-                               {
-                                       MIDICommand = ((JoystickStatus & JOY_DOWN)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
-                                       MIDIPitch   = 0x3F;
-                               }
+               if (NoteOnEvent || NoteOffEvent)
+               {
+                       printf_P(PSTR("MIDI Note %s - Channel %d, Pitch %d, Velocity %d\r\n"), NoteOnEvent ? "On" : "Off",
+                                                                                                                                                                  ((MIDIEvent.Data1 & 0x0F) + 1),
+                                                                                                                                                                  MIDIEvent.Data2, MIDIEvent.Data3);
+               }                               
+       }

 
 

-                               if (JoystickChanges & JOY_PRESS)
-                               {
-                                       MIDICommand = ((JoystickStatus & JOY_PRESS)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
-                                       MIDIPitch   = 0x3B;
-                               }
+       Pipe_SelectPipe(MIDI_DATA_OUT_PIPE);

 
 

-                               /* Check if a MIDI command is to be sent */
-                               if (MIDICommand)
+       if (Pipe_IsOUTReady())
+       {
+               uint8_t MIDICommand = 0;
+               uint8_t MIDIPitch;
+
+               static uint8_t PrevJoystickStatus;
+               uint8_t JoystickStatus  = Joystick_GetStatus();
+               uint8_t JoystickChanges = (JoystickStatus ^ PrevJoystickStatus);
+
+               /* Get board button status - if pressed use channel 10 (percussion), otherwise use channel 1 */
+               uint8_t Channel = ((Buttons_GetStatus() & BUTTONS_BUTTON1) ? MIDI_CHANNEL(10) : MIDI_CHANNEL(1));
+
+               if (JoystickChanges & JOY_LEFT)
+               {
+                       MIDICommand = ((JoystickStatus & JOY_LEFT)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
+                       MIDIPitch   = 0x3C;
+               }
+
+               if (JoystickChanges & JOY_UP)
+               {
+                       MIDICommand = ((JoystickStatus & JOY_UP)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
+                       MIDIPitch   = 0x3D;
+               }
+
+               if (JoystickChanges & JOY_RIGHT)
+               {
+                       MIDICommand = ((JoystickStatus & JOY_RIGHT)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
+                       MIDIPitch   = 0x3E;
+               }
+
+               if (JoystickChanges & JOY_DOWN)
+               {
+                       MIDICommand = ((JoystickStatus & JOY_DOWN)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
+                       MIDIPitch   = 0x3F;
+               }
+
+               if (JoystickChanges & JOY_PRESS)
+               {
+                       MIDICommand = ((JoystickStatus & JOY_PRESS)? MIDI_COMMAND_NOTE_ON : MIDI_COMMAND_NOTE_OFF);
+                       MIDIPitch   = 0x3B;
+               }
+
+               /* Check if a MIDI command is to be sent */
+               if (MIDICommand)
+               {
+                       MIDI_EventPacket_t MIDIEvent = (MIDI_EventPacket_t)

                                {
                                {

-                                       MIDI_EventPacket_t MIDIEvent = (MIDI_EventPacket_t)
-                                               {
-                                                       .CableNumber = 0,
-                                                       .Command     = (MIDICommand >> 4),
-
-                                                       .Data1       = MIDICommand | Channel,
-                                                       .Data2       = MIDIPitch,
-                                                       .Data3       = MIDI_STANDARD_VELOCITY,
-                                               };
+                                       .CableNumber = 0,
+                                       .Command     = (MIDICommand >> 4),

 
 

-                                       /* Write the MIDI event packet to the pipe */
-                                       Pipe_Write_Stream_LE(&MIDIEvent, sizeof(MIDIEvent), NULL);
+                                       .Data1       = MIDICommand | Channel,
+                                       .Data2       = MIDIPitch,
+                                       .Data3       = MIDI_STANDARD_VELOCITY,
+                               };

 
 

-                                       /* Send the data in the pipe to the device */
-                                       Pipe_ClearOUT();
-                               }
+                       /* Write the MIDI event packet to the pipe */
+                       Pipe_Write_Stream_LE(&MIDIEvent, sizeof(MIDIEvent), NULL);

 
 

-                               /* Save previous joystick value for next joystick change detection */
-                               PrevJoystickStatus = JoystickStatus;
-                       }
+                       /* Send the data in the pipe to the device */
+                       Pipe_ClearOUT();
+               }

 
 

-                       break;
+               /* Save previous joystick value for next joystick change detection */
+               PrevJoystickStatus = JoystickStatus;

        }
 }
 
        }
 }