diff options
Diffstat (limited to 'lib/lufa/Demos/Host/LowLevel/KeyboardHost/KeyboardHost.c')
| -rw-r--r-- | lib/lufa/Demos/Host/LowLevel/KeyboardHost/KeyboardHost.c | 264 |
1 files changed, 0 insertions, 264 deletions
diff --git a/lib/lufa/Demos/Host/LowLevel/KeyboardHost/KeyboardHost.c b/lib/lufa/Demos/Host/LowLevel/KeyboardHost/KeyboardHost.c deleted file mode 100644 index df7338339..000000000 --- a/lib/lufa/Demos/Host/LowLevel/KeyboardHost/KeyboardHost.c +++ /dev/null @@ -1,264 +0,0 @@ -/* - LUFA Library - Copyright (C) Dean Camera, 2017. - - dean [at] fourwalledcubicle [dot] com - www.lufa-lib.org -*/ - -/* - Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com) - - 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 - 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 disclaims 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 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 - * enters a loop to run the application tasks in sequence. - */ -int main(void) -{ - SetupHardware(); - - puts_P(PSTR(ESC_FG_CYAN "Keyboard HID Host Demo running.\r\n" ESC_FG_WHITE)); - - LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY); - GlobalInterruptEnable(); - - for (;;) - { - KeyboardHost_Task(); - - USB_USBTask(); - } -} - -/** Configures the board hardware and chip peripherals for the demo's functionality. */ -void SetupHardware(void) -{ -#if (ARCH == ARCH_AVR8) - /* Disable watchdog if enabled by bootloader/fuses */ - MCUSR &= ~(1 << WDRF); - wdt_disable(); - - /* Disable clock division */ - clock_prescale_set(clock_div_1); -#endif - - /* Hardware Initialization */ - Serial_Init(9600, false); - LEDs_Init(); - USB_Init(); - - /* Create a stdio stream for the serial port for stdin and stdout */ - Serial_CreateStream(NULL); -} - -/** 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. - */ -void EVENT_USB_Host_DeviceAttached(void) -{ - puts_P(PSTR(ESC_FG_GREEN "Device Attached.\r\n" ESC_FG_WHITE)); - LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING); -} - -/** 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. - */ -void EVENT_USB_Host_DeviceUnattached(void) -{ - puts_P(PSTR(ESC_FG_GREEN "Device Unattached.\r\n" ESC_FG_WHITE)); - LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY); -} - -/** 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. - */ -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; - } - - /* HID class request to set the keyboard protocol to the Boot Protocol */ - USB_ControlRequest = (USB_Request_Header_t) - { - .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE), - .bRequest = HID_REQ_SetProtocol, - .wValue = 0, - .wIndex = 0, - .wLength = 0, - }; - - /* Select the control pipe for the request transfer */ - Pipe_SelectPipe(PIPE_CONTROLPIPE); - - /* Send the request, display error and wait for device detach if request fails */ - if ((ErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful) - { - printf_P(PSTR(ESC_FG_RED "Control Error (Set Protocol).\r\n" - " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode); - - LEDs_SetAllLEDs(LEDMASK_USB_ERROR); - USB_Host_SetDeviceConfiguration(0); - return; - } - - puts_P(PSTR("Keyboard Enumerated.\r\n")); - LEDs_SetAllLEDs(LEDMASK_USB_READY); -} - -/** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */ -void EVENT_USB_Host_HostError(const uint8_t ErrorCode) -{ - USB_Disable(); - - printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n" - " -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode); - - LEDs_SetAllLEDs(LEDMASK_USB_ERROR); - for(;;); -} - -/** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while - * enumerating an attached USB device. - */ -void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode, - const uint8_t SubErrorCode) -{ - printf_P(PSTR(ESC_FG_RED "Dev Enum Error\r\n" - " -- Error Code %d\r\n" - " -- Sub Error Code %d\r\n" - " -- In State %d\r\n" ESC_FG_WHITE), ErrorCode, SubErrorCode, USB_HostState); - - LEDs_SetAllLEDs(LEDMASK_USB_ERROR); -} - -/** Task to read in and processes the next report from the attached device, displaying the report - * contents on the board LEDs and via the serial port. - */ -void KeyboardHost_Task(void) -{ - if (USB_HostState != HOST_STATE_Configured) - return; - - /* Select keyboard data pipe */ - Pipe_SelectPipe(KEYBOARD_DATA_IN_PIPE); - - /* Unfreeze keyboard data pipe */ - Pipe_Unfreeze(); - - /* Check to see if a packet has been received */ - if (!(Pipe_IsINReceived())) - { - /* Refreeze HID data IN pipe */ - Pipe_Freeze(); - - return; - } - - /* Ensure pipe contains data before trying to read from it */ - if (Pipe_IsReadWriteAllowed()) - { - USB_KeyboardReport_Data_t KeyboardReport; - - /* Read in keyboard report data */ - Pipe_Read_Stream_LE(&KeyboardReport, sizeof(KeyboardReport), NULL); - - /* 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); - - uint8_t KeyCode = KeyboardReport.KeyCode[0]; - - /* Check if a key has been pressed */ - if (KeyCode) - { - /* Toggle status LED to indicate keypress */ - LEDs_ToggleLEDs(LEDS_LED2); - - char PressedKey = 0; - - /* Retrieve pressed key character if alphanumeric */ - if ((KeyCode >= HID_KEYBOARD_SC_A) && (KeyCode <= HID_KEYBOARD_SC_Z)) - { - PressedKey = (KeyCode - HID_KEYBOARD_SC_A) + 'A'; - } - else if ((KeyCode >= HID_KEYBOARD_SC_1_AND_EXCLAMATION) & - (KeyCode < HID_KEYBOARD_SC_0_AND_CLOSING_PARENTHESIS)) - { - PressedKey = (KeyCode - HID_KEYBOARD_SC_1_AND_EXCLAMATION) + '1'; - } - else if (KeyCode == HID_KEYBOARD_SC_0_AND_CLOSING_PARENTHESIS) - { - PressedKey = '0'; - } - else if (KeyCode == HID_KEYBOARD_SC_SPACE) - { - PressedKey = ' '; - } - else if (KeyCode == HID_KEYBOARD_SC_ENTER) - { - 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(); - - /* Refreeze keyboard data pipe */ - Pipe_Freeze(); -} - |