LEDs_SetAllLEDs(LEDMask);\r
}\r
\r
+/** Reads in and processes the next report from the attached device, displaying the report\r
+ * contents on the board LEDs and via the serial port.\r
+ */\r
+void ReadNextReport(void)\r
+{\r
+ USB_KeyboardReport_Data_t KeyboardReport;\r
+ \r
+ /* Select the keyboard report data in pipe */\r
+ Pipe_SelectPipe(KEYBOARD_DATAPIPE); \r
+\r
+ /* Ensure pipe contains data and is ready to be read before continuing */\r
+ if (!(Pipe_ReadWriteAllowed()))\r
+ return;\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
+ {\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
/** Task to set the configuration of the attached device after it has been enumerated, and to read and process\r
* HID reports from the device and display the results onto the board LEDs.\r
*/\r
\r
USB_HostState = HOST_STATE_Ready;\r
break;\r
+ #if !defined(INTERRUPT_DATA_PIPE)\r
case HOST_STATE_Ready:\r
/* Select and unfreeze keyboard data pipe */\r
Pipe_SelectPipe(KEYBOARD_DATAPIPE); \r
Pipe_Unfreeze();\r
\r
- /* Check if data has been received from the attached keyboard */\r
+ /* If a report has been received, read and process it */\r
if (Pipe_ReadWriteAllowed())\r
- {\r
- USB_KeyboardReport_Data_t KeyboardReport;\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 */\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
+ ReadNextReport();\r
\r
/* Freeze keyboard data pipe */\r
Pipe_Freeze();\r
break;\r
+ #endif\r
+ }\r
+}\r
+\r
+#if defined(INTERRUPT_DATA_PIPE)\r
+/** Interrupt handler for the Endpoint/Pipe interrupt vector. This interrupt fires each time an enabled\r
+ * pipe interrupt occurs on a pipe which has had that interrupt enabled.\r
+ */\r
+ISR(ENDPOINT_PIPE_vect, ISR_BLOCK)\r
+{\r
+ /* Check to see if the keyboard data pipe has caused the interrupt */\r
+ if (Pipe_HasPipeInterrupted(KEYBOARD_DATAPIPE))\r
+ {\r
+ /* Clear the pipe interrupt, and select the keyboard pipe */\r
+ Pipe_ClearPipeInterrupt(KEYBOARD_DATAPIPE);\r
+ Pipe_SelectPipe(KEYBOARD_DATAPIPE); \r
+\r
+ /* Check to see if the pipe IN interrupt has fired */\r
+ if (USB_INT_HasOccurred(PIPE_INT_IN) && USB_INT_IsEnabled(PIPE_INT_IN))\r
+ {\r
+ /* Clear interrupt flag */\r
+ USB_INT_Clear(PIPE_INT_IN); \r
+\r
+ /* Read and process the next report from the device */\r
+ ReadNextReport();\r
}\r
}\r
+#endif\r
projects / pub / lufa.git / blobdiff