diff options
Diffstat (limited to 'Demos/Host/LowLevel/KeyboardHost/KeyboardHost.c')
| -rw-r--r-- | Demos/Host/LowLevel/KeyboardHost/KeyboardHost.c | 43 |
1 files changed, 22 insertions, 21 deletions
diff --git a/Demos/Host/LowLevel/KeyboardHost/KeyboardHost.c b/Demos/Host/LowLevel/KeyboardHost/KeyboardHost.c index 0c24bc9e2..269fe2779 100644 --- a/Demos/Host/LowLevel/KeyboardHost/KeyboardHost.c +++ b/Demos/Host/LowLevel/KeyboardHost/KeyboardHost.c @@ -1,7 +1,7 @@ /* LUFA Library Copyright (C) Dean Camera, 2010. - + dean [at] fourwalledcubicle [dot] com www.fourwalledcubicle.com */ @@ -9,13 +9,13 @@ /* Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com) - Permission to use, copy, modify, distribute, and sell this + Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted - without fee, provided that the above copyright notice appear in + without fee, 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 + 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 @@ -33,7 +33,7 @@ * Main source file for the KeyboardHost demo. This file contains the main tasks of * the demo and is responsible for the initial application hardware configuration. */ - + #include "KeyboardHost.h" /** Main program entry point. This routine configures the hardware required by the application, then @@ -129,9 +129,9 @@ void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode, void ReadNextReport(void) { USB_KeyboardReport_Data_t KeyboardReport; - + /* Select keyboard data pipe */ - Pipe_SelectPipe(KEYBOARD_DATA_IN_PIPE); + Pipe_SelectPipe(KEYBOARD_DATA_IN_PIPE); /* Unfreeze keyboard data pipe */ Pipe_Unfreeze(); @@ -141,10 +141,10 @@ void ReadNextReport(void) { /* Refreeze HID data IN pipe */ Pipe_Freeze(); - + return; } - + /* Ensure pipe contains data before trying to read from it */ if (Pipe_IsReadWriteAllowed()) { @@ -153,13 +153,13 @@ void ReadNextReport(void) /* Indicate if the modifier byte is non-zero (special key such as shift is being pressed) */ LEDs_ChangeLEDs(LEDS_LED1, (KeyboardReport.Modifier) ? LEDS_LED1 : 0); - + /* Check if a key has been pressed */ if (KeyboardReport.KeyCode) { /* Toggle status LED to indicate keypress */ LEDs_ToggleLEDs(LEDS_LED2); - + char PressedKey = 0; /* Retrieve pressed key character if alphanumeric */ @@ -168,16 +168,16 @@ void ReadNextReport(void) else if ((KeyboardReport.KeyCode[0] >= 0x1E) && (KeyboardReport.KeyCode[0] <= 0x27)) PressedKey = (KeyboardReport.KeyCode[0] - 0x1E) + '0'; else if (KeyboardReport.KeyCode[0] == 0x2C) - PressedKey = ' '; + PressedKey = ' '; else if (KeyboardReport.KeyCode[0] == 0x28) PressedKey = '\n'; - + /* Print the pressed key character out through the serial port if valid */ if (PressedKey) putchar(PressedKey); } } - + /* Clear the IN endpoint, ready for next data packet */ Pipe_ClearIN(); @@ -196,7 +196,7 @@ void Keyboard_HID_Task(void) { case HOST_STATE_Addressed: puts_P(PSTR("Getting Config Data.\r\n")); - + /* Get and process the configuration descriptor data */ if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead) { @@ -206,7 +206,7 @@ void Keyboard_HID_Task(void) puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n")); printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode); - + /* Indicate error status */ LEDs_SetAllLEDs(LEDMASK_USB_ERROR); @@ -214,7 +214,7 @@ void Keyboard_HID_Task(void) 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) { @@ -228,7 +228,7 @@ void Keyboard_HID_Task(void) USB_HostState = HOST_STATE_WaitForDeviceRemoval; break; } - + /* HID class request to set the keyboard protocol to the Boot Protocol */ USB_ControlRequest = (USB_Request_Header_t) { @@ -250,7 +250,7 @@ void Keyboard_HID_Task(void) /* Indicate error status */ LEDs_SetAllLEDs(LEDMASK_USB_ERROR); - + /* Wait until USB device disconnected */ USB_HostState = HOST_STATE_WaitForDeviceRemoval; break; @@ -267,3 +267,4 @@ void Keyboard_HID_Task(void) break; } } + |