diff options
Diffstat (limited to 'Demos/KeyboardHostWithParser/KeyboardHostWithParser.c')
| -rw-r--r-- | Demos/KeyboardHostWithParser/KeyboardHostWithParser.c | 340 |
1 files changed, 0 insertions, 340 deletions
diff --git a/Demos/KeyboardHostWithParser/KeyboardHostWithParser.c b/Demos/KeyboardHostWithParser/KeyboardHostWithParser.c deleted file mode 100644 index f7a0087e7..000000000 --- a/Demos/KeyboardHostWithParser/KeyboardHostWithParser.c +++ /dev/null @@ -1,340 +0,0 @@ -/*
- LUFA Library
- Copyright (C) Dean Camera, 2009.
-
- dean [at] fourwalledcubicle [dot] com
- www.fourwalledcubicle.com
-*/
-
-/*
- Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
-
- Permission to use, copy, modify, and distribute this software
- and its documentation for any purpose and without fee is hereby
- granted, provided that the above copyright notice appear in all
- copies and that both that the copyright notice and this
- permission notice and warranty disclaimer appear in supporting
- documentation, and that the name of the author not be used in
- advertising or publicity pertaining to distribution of the
- software without specific, written prior permission.
-
- The author disclaim all warranties with regard to this
- software, including all implied warranties of merchantability
- and fitness. In no event shall the author be liable for any
- special, indirect or consequential damages or any damages
- whatsoever resulting from loss of use, data or profits, whether
- in an action of contract, negligence or other tortious action,
- arising out of or in connection with the use or performance of
- this software.
-*/
-
-/** \file
- *
- * Main source file for the KeyboardHostWithParser demo. This file contains the main tasks of
- * the demo and is responsible for the initial application hardware configuration.
- */
-
-#include "KeyboardHostWithParser.h"
-
-/* Project Tags, for reading out using the ButtLoad project */
-BUTTLOADTAG(ProjName, "LUFA KBD Host App");
-BUTTLOADTAG(BuildTime, __TIME__);
-BUTTLOADTAG(BuildDate, __DATE__);
-BUTTLOADTAG(LUFAVersion, "LUFA V" LUFA_VERSION_STRING);
-
-/* Scheduler Task List */
-TASK_LIST
-{
- { Task: USB_USBTask , TaskStatus: TASK_STOP },
- { Task: USB_Keyboard_Host , TaskStatus: TASK_STOP },
-};
-
-
-/** Main program entry point. This routine configures the hardware required by the application, then
- * starts the scheduler to run the application tasks.
- */
-int main(void)
-{
- /* Disable watchdog if enabled by bootloader/fuses */
- MCUSR &= ~(1 << WDRF);
- wdt_disable();
-
- /* Disable clock division */
- clock_prescale_set(clock_div_1);
-
- /* Hardware Initialization */
- SerialStream_Init(9600, false);
- LEDs_Init();
-
- /* Indicate USB not ready */
- UpdateStatus(Status_USBNotReady);
-
- /* Initialize Scheduler so that it can be used */
- Scheduler_Init();
-
- /* Initialize USB Subsystem */
- USB_Init();
-
- /* Startup message */
- puts_P(PSTR(ESC_RESET ESC_BG_WHITE ESC_INVERSE_ON ESC_ERASE_DISPLAY
- "Keyboard Host Demo running.\r\n" ESC_INVERSE_OFF));
-
- /* Scheduling - routine never returns, so put this last in the main function */
- Scheduler_Start();
-}
-
-/** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and
- * starts the library USB task to begin the enumeration and USB management process.
- */
-EVENT_HANDLER(USB_DeviceAttached)
-{
- puts_P(PSTR("Device Attached.\r\n"));
- UpdateStatus(Status_USBEnumerating);
-
- /* Start USB management task to enumerate the device */
- Scheduler_SetTaskMode(USB_USBTask, TASK_RUN);
-}
-
-/** Event handler for the USB_DeviceUnattached event. This indicates that a device has been removed from the host, and
- * stops the library USB task management process.
- */
-EVENT_HANDLER(USB_DeviceUnattached)
-{
- /* Stop keyboard and USB management task */
- Scheduler_SetTaskMode(USB_USBTask, TASK_STOP);
- Scheduler_SetTaskMode(USB_Keyboard_Host, TASK_STOP);
-
- puts_P(PSTR("\r\nDevice Unattached.\r\n"));
- UpdateStatus(Status_USBNotReady);
-}
-
-/** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully
- * enumerated by the host and is now ready to be used by the application.
- */
-EVENT_HANDLER(USB_DeviceEnumerationComplete)
-{
- /* Start Keyboard Host task */
- Scheduler_SetTaskMode(USB_Keyboard_Host, TASK_RUN);
-
- /* Indicate device enumeration complete */
- UpdateStatus(Status_USBReady);
-}
-
-/** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */
-EVENT_HANDLER(USB_HostError)
-{
- USB_ShutDown();
-
- puts_P(PSTR(ESC_BG_RED "Host Mode Error\r\n"));
- printf_P(PSTR(" -- Error Code %d\r\n"), ErrorCode);
-
- UpdateStatus(Status_HardwareError);
- for(;;);
-}
-
-/** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occured while
- * enumerating an attached USB device.
- */
-EVENT_HANDLER(USB_DeviceEnumerationFailed)
-{
- puts_P(PSTR(ESC_BG_RED "Dev Enum Error\r\n"));
- printf_P(PSTR(" -- Error Code %d\r\n"), ErrorCode);
- printf_P(PSTR(" -- Sub Error Code %d\r\n"), SubErrorCode);
- printf_P(PSTR(" -- In State %d\r\n"), USB_HostState);
-
- UpdateStatus(Status_EnumerationError);
-}
-
-/** Function to manage status updates to the user. This is done via LEDs on the given board, if available, but may be changed to
- * log to a serial port, or anything else that is suitable for status updates.
- *
- * \param CurrentStatus Current status of the system, from the KeyboardHostWithParser_StatusCodes_t enum
- */
-void UpdateStatus(uint8_t CurrentStatus)
-{
- uint8_t LEDMask = LEDS_NO_LEDS;
-
- /* Set the LED mask to the appropriate LED mask based on the given status code */
- switch (CurrentStatus)
- {
- case Status_USBNotReady:
- LEDMask = (LEDS_LED1);
- break;
- case Status_USBEnumerating:
- LEDMask = (LEDS_LED1 | LEDS_LED2);
- break;
- case Status_USBReady:
- LEDMask = (LEDS_LED2);
- break;
- case Status_EnumerationError:
- case Status_HardwareError:
- LEDMask = (LEDS_LED1 | LEDS_LED3);
- break;
- case Status_Busy:
- LEDMask = (LEDS_LED1 | LEDS_LED4);
- break;
- }
-
- /* Set the board LEDs to the new LED mask */
- LEDs_SetAllLEDs(LEDMask);
-}
-
-/** Task to set the configuration of the attached device after it has been enumerated, and to read and process
- * the HID report descriptor and HID reports from the device and display the results onto the board LEDs.
- */
-TASK(USB_Keyboard_Host)
-{
- uint8_t ErrorCode;
-
- switch (USB_HostState)
- {
- case HOST_STATE_Addressed:
- /* Standard request to set the device configuration to configuration 1 */
- USB_HostRequest = (USB_Host_Request_Header_t)
- {
- bmRequestType: (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE),
- bRequest: REQ_SetConfiguration,
- wValue: 1,
- wIndex: 0,
- wLength: 0,
- };
-
- /* Send the request, display error and wait for device detatch if request fails */
- if ((ErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful)
- {
- puts_P(PSTR("Control Error (Set Configuration).\r\n"));
- printf_P(PSTR(" -- Error Code: %d\r\n"), ErrorCode);
-
- /* Indicate error via status LEDs */
- UpdateStatus(Status_EnumerationError);
-
- /* Wait until USB device disconnected */
- while (USB_IsConnected);
- break;
- }
-
- USB_HostState = HOST_STATE_Configured;
- break;
- case HOST_STATE_Configured:
- 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("Control Error (Get Configuration).\r\n"));
- else
- puts_P(PSTR("Invalid Device.\r\n"));
-
- printf_P(PSTR(" -- Error Code: %d\r\n"), ErrorCode);
-
- /* Indicate error via status LEDs */
- UpdateStatus(Status_EnumerationError);
-
- /* Wait until USB device disconnected */
- while (USB_IsConnected);
- break;
- }
-
- puts_P(PSTR("Processing HID Report.\r\n"));
-
- /* LEDs one and two on to indicate busy processing */
- UpdateStatus(Status_Busy);
-
- /* Get and process the device's first HID report descriptor */
- if ((ErrorCode = GetHIDReportData()) != ParseSuccessful)
- {
- puts_P(PSTR("Report Parse Error.\r\n"));
- printf_P(PSTR(" -- Error Code: %d\r\n"), ErrorCode);
-
- /* Indicate error via status LEDs */
- UpdateStatus(Status_EnumerationError);
-
- /* Wait until USB device disconnected */
- while (USB_IsConnected);
- break;
- }
-
- /* All LEDs off - ready to indicate keypresses */
- UpdateStatus(Status_USBReady);
-
- puts_P(PSTR("Keyboard Enumerated.\r\n"));
-
- USB_HostState = HOST_STATE_Ready;
- break;
- case HOST_STATE_Ready:
- /* Select and unfreeze keyboard data pipe */
- Pipe_SelectPipe(KEYBOARD_DATAPIPE);
- Pipe_Unfreeze();
-
- /* Check if data has been received from the attached keyboard */
- if (Pipe_ReadWriteAllowed())
- {
- /* Create buffer big enough for the report */
- uint8_t KeyboardReport[Pipe_BytesInPipe()];
-
- /* Load in the keyboard report */
- Pipe_Read_Stream_LE(KeyboardReport, Pipe_BytesInPipe());
-
- /* Clear the IN endpoint, ready for next data packet */
- Pipe_ClearCurrentBank();
-
- /* Check each HID report item in turn, looking for keyboard scan code reports */
- for (uint8_t ReportNumber = 0; ReportNumber < HIDReportInfo.TotalReportItems; ReportNumber++)
- {
- /* Create a tempoary item pointer to the next report item */
- HID_ReportItem_t* ReportItem = &HIDReportInfo.ReportItems[ReportNumber];
-
- /* Check if the current report item is a keyboard scancode */
- if ((ReportItem->Attributes.Usage.Page == USAGE_PAGE_KEYBOARD) &&
- (ReportItem->Attributes.BitSize == 8) &&
- (ReportItem->Attributes.Logical.Maximum > 1) &&
- (ReportItem->ItemType == REPORT_ITEM_TYPE_In))
- {
- /* Retrieve the keyboard scancode from the report data retrieved from the device */
- bool FoundData = GetReportItemInfo(KeyboardReport, ReportItem);
-
- /* For multi-report devices - if the requested data was not in the issued report, continue */
- if (!(FoundData))
- continue;
-
- /* Key code is an unsigned char in length, cast to the appropriate type */
- uint8_t KeyCode = (uint8_t)ReportItem->Value;
-
- /* If scancode is non-zero, a key is being pressed */
- if (KeyCode)
- {
- /* Toggle status LED to indicate keypress */
- if (LEDs_GetLEDs() & LEDS_LED2)
- LEDs_TurnOffLEDs(LEDS_LED2);
- else
- LEDs_TurnOnLEDs(LEDS_LED2);
-
- char PressedKey = 0;
-
- /* Convert scancode to printable character if alphanumeric */
- if ((KeyCode >= 0x04) && (KeyCode <= 0x1D))
- PressedKey = (KeyCode - 0x04) + 'A';
- else if ((KeyCode >= 0x1E) && (KeyCode <= 0x27))
- PressedKey = (KeyCode - 0x1E) + '0';
- else if (KeyCode == 0x2C)
- PressedKey = ' ';
- else if (KeyCode == 0x28)
- PressedKey = '\n';
-
- /* Print the pressed key character out through the serial port if valid */
- if (PressedKey)
- putchar(PressedKey);
- }
-
- /* Once a scancode is found, stop scanning through the report items */
- break;
- }
- }
- }
-
- /* Freeze keyboard data pipe */
- Pipe_Freeze();
- break;
- }
-}
|
