\r
#include "KeyboardHost.h"\r
\r
-/* Project Tags, for reading out using the ButtLoad project */\r
-BUTTLOADTAG(ProjName, "LUFA KBD Host App");\r
-BUTTLOADTAG(BuildTime, __TIME__);\r
-BUTTLOADTAG(BuildDate, __DATE__);\r
-BUTTLOADTAG(LUFAVersion, "LUFA V" LUFA_VERSION_STRING);\r
-\r
/* Scheduler Task List */\r
TASK_LIST\r
{\r
- { Task: USB_USBTask , TaskStatus: TASK_STOP },\r
- { Task: USB_Keyboard_Host , TaskStatus: TASK_STOP },\r
+ { .Task = USB_USBTask , .TaskStatus = TASK_STOP },\r
+ { .Task = USB_Keyboard_Host , .TaskStatus = TASK_STOP },\r
};\r
\r
\r
/* Initialize USB Subsystem */\r
USB_Init();\r
\r
- /* Startup message */\r
+ /* Start-up message */\r
puts_P(PSTR(ESC_RESET ESC_BG_WHITE ESC_INVERSE_ON ESC_ERASE_DISPLAY\r
"Keyboard Host Demo running.\r\n" ESC_INVERSE_OFF));\r
\r
for(;;);\r
}\r
\r
-/** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occured while\r
+/** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while\r
* enumerating an attached USB device.\r
*/\r
EVENT_HANDLER(USB_DeviceEnumerationFailed)\r
Pipe_Unfreeze();\r
#endif\r
\r
- /* Ensure pipe contains data and is ready to be read before continuing */\r
- if (!(Pipe_ReadWriteAllowed()))\r
+ /* Check to see if a packet has been received */\r
+ if (!(Pipe_IsINReceived()))\r
{\r
#if !defined(INTERRUPT_DATA_PIPE)\r
- /* Refreeze keyboard data pipe */\r
+ /* Refreeze HID data IN pipe */\r
Pipe_Freeze();\r
#endif\r
-\r
+ \r
return;\r
}\r
\r
- /* Read in keyboard report data */\r
- Pipe_Read_Stream_LE(&KeyboardReport, sizeof(KeyboardReport));\r
- \r
- /* Clear the IN endpoint, ready for next data packet */\r
- Pipe_ClearCurrentBank();\r
-\r
- /* Indicate if the modifier byte is non-zero (special key such as shift is being pressed) */\r
- LEDs_ChangeLEDs(LEDS_LED1, (KeyboardReport.Modifier) ? LEDS_LED1 : 0);\r
- \r
- /* Check if a key has been pressed */\r
- if (KeyboardReport.KeyCode)\r
+ /* Ensure pipe contains data before trying to read from it */\r
+ if (Pipe_IsReadWriteAllowed())\r
{\r
- /* Toggle status LED to indicate keypress */\r
- if (LEDs_GetLEDs() & LEDS_LED2)\r
- LEDs_TurnOffLEDs(LEDS_LED2);\r
- else\r
- LEDs_TurnOnLEDs(LEDS_LED2);\r
- \r
- char PressedKey = 0;\r
-\r
- /* Retrieve pressed key character if alphanumeric */\r
- if ((KeyboardReport.KeyCode >= 0x04) && (KeyboardReport.KeyCode <= 0x1D))\r
- PressedKey = (KeyboardReport.KeyCode - 0x04) + 'A';\r
- else if ((KeyboardReport.KeyCode >= 0x1E) && (KeyboardReport.KeyCode <= 0x27))\r
- PressedKey = (KeyboardReport.KeyCode - 0x1E) + '0';\r
- else if (KeyboardReport.KeyCode == 0x2C)\r
- PressedKey = ' '; \r
- else if (KeyboardReport.KeyCode == 0x28)\r
- PressedKey = '\n';\r
- \r
- /* Print the pressed key character out through the serial port if valid */\r
- if (PressedKey)\r
- putchar(PressedKey);\r
+ /* Read in keyboard report data */\r
+ Pipe_Read_Stream_LE(&KeyboardReport, sizeof(KeyboardReport));\r
+\r
+ /* Indicate if the modifier byte is non-zero (special key such as shift is being pressed) */\r
+ LEDs_ChangeLEDs(LEDS_LED1, (KeyboardReport.Modifier) ? LEDS_LED1 : 0);\r
+ \r
+ /* Check if a key has been pressed */\r
+ if (KeyboardReport.KeyCode)\r
+ {\r
+ /* Toggle status LED to indicate keypress */\r
+ if (LEDs_GetLEDs() & LEDS_LED2)\r
+ LEDs_TurnOffLEDs(LEDS_LED2);\r
+ else\r
+ LEDs_TurnOnLEDs(LEDS_LED2);\r
+ \r
+ char PressedKey = 0;\r
+\r
+ /* Retrieve pressed key character if alphanumeric */\r
+ if ((KeyboardReport.KeyCode >= 0x04) && (KeyboardReport.KeyCode <= 0x1D))\r
+ PressedKey = (KeyboardReport.KeyCode - 0x04) + 'A';\r
+ else if ((KeyboardReport.KeyCode >= 0x1E) && (KeyboardReport.KeyCode <= 0x27))\r
+ PressedKey = (KeyboardReport.KeyCode - 0x1E) + '0';\r
+ else if (KeyboardReport.KeyCode == 0x2C)\r
+ PressedKey = ' '; \r
+ else if (KeyboardReport.KeyCode == 0x28)\r
+ PressedKey = '\n';\r
+ \r
+ /* Print the pressed key character out through the serial port if valid */\r
+ if (PressedKey)\r
+ putchar(PressedKey);\r
+ }\r
}\r
\r
+ \r
+ /* Clear the IN endpoint, ready for next data packet */\r
+ Pipe_ClearIN();\r
+\r
#if !defined(INTERRUPT_DATA_PIPE)\r
/* Refreeze keyboard data pipe */\r
Pipe_Freeze();\r
{\r
case HOST_STATE_Addressed:\r
/* Standard request to set the device configuration to configuration 1 */\r
- USB_HostRequest = (USB_Host_Request_Header_t)\r
+ USB_ControlRequest = (USB_Request_Header_t)\r
{\r
- bmRequestType: (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE),\r
- bRequest: REQ_SetConfiguration,\r
- wValue: 1,\r
- wIndex: 0,\r
- wLength: 0,\r
+ .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE),\r
+ .bRequest = REQ_SetConfiguration,\r
+ .wValue = 1,\r
+ .wIndex = 0,\r
+ .wLength = 0,\r
};\r
\r
- /* Send the request, display error and wait for device detatch if request fails */\r
+ /* Select the control pipe for the request transfer */\r
+ Pipe_SelectPipe(PIPE_CONTROLPIPE);\r
+\r
+ /* Send the request, display error and wait for device detach if request fails */\r
if ((ErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful)\r
{\r
puts_P(PSTR("Control Error (Set Configuration).\r\n"));\r
}\r
\r
/* HID class request to set the keyboard protocol to the Boot Protocol */\r
- USB_HostRequest = (USB_Host_Request_Header_t)\r
+ USB_ControlRequest = (USB_Request_Header_t)\r
{\r
- bmRequestType: (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),\r
- bRequest: REQ_SetProtocol,\r
- wValue: 0,\r
- wIndex: 0,\r
- wLength: 0,\r
+ .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),\r
+ .bRequest = REQ_SetProtocol,\r
+ .wValue = 0,\r
+ .wIndex = 0,\r
+ .wLength = 0,\r
};\r
\r
- /* Send the request, display error and wait for device detatch if request fails */\r
+ /* Select the control pipe for the request transfer */\r
+ Pipe_SelectPipe(PIPE_CONTROLPIPE);\r
+\r
+ /* Send the request, display error and wait for device detach if request fails */\r
if ((ErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful)\r
{\r
puts_P(PSTR("Control Error (Set Protocol).\r\n"));\r
*/\r
ISR(ENDPOINT_PIPE_vect, ISR_BLOCK)\r
{\r
+ /* Save previously selected pipe before selecting a new pipe */\r
+ uint8_t PrevSelectedPipe = Pipe_GetCurrentPipe();\r
+\r
/* Check to see if the keyboard data pipe has caused the interrupt */\r
if (Pipe_HasPipeInterrupted(KEYBOARD_DATAPIPE))\r
{\r
/* Read and process the next report from the device */\r
ReadNextReport();\r
}\r
+ \r
+ /* Restore previously selected pipe */\r
+ Pipe_SelectPipe(PrevSelectedPipe);\r
}\r
#endif\r