You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
245 lines
7.1 KiB
245 lines
7.1 KiB
8 years ago
|
/*
|
||
|
|
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"
|
||
|
|
|
||
|
|
/** LUFA HID Class driver interface configuration and state information. This structure is
|
||
|
|
* passed to all HID Class driver functions, so that multiple instances of the same class
|
||
|
|
* within a device can be differentiated from one another.
|
||
|
|
*/
|
||
|
|
USB_ClassInfo_HID_Host_t Keyboard_HID_Interface =
|
||
|
|
{
|
||
|
|
.Config =
|
||
|
|
{
|
||
|
|
.DataINPipe =
|
||
|
|
{
|
||
|
|
.Address = (PIPE_DIR_IN | 1),
|
||
|
|
.Banks = 1,
|
||
|
|
},
|
||
|
|
.DataOUTPipe =
|
||
|
|
{
|
||
|
|
.Address = (PIPE_DIR_OUT | 2),
|
||
|
|
.Banks = 1,
|
||
|
|
},
|
||
|
|
.HIDInterfaceProtocol = HID_CSCP_KeyboardBootProtocol,
|
||
|
|
},
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
/** 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 Host Demo running.\r\n" ESC_FG_WHITE));
|
||
|
|
|
||
|
|
LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
|
||
|
|
GlobalInterruptEnable();
|
||
|
|
|
||
|
|
for (;;)
|
||
|
|
{
|
||
|
|
KeyboardHost_Task();
|
||
|
|
|
||
|
|
HID_Host_USBTask(&Keyboard_HID_Interface);
|
||
|
|
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);
|
||
|
|
}
|
||
|
|
|
||
|
|
/** Task to manage an enumerated USB keyboard once connected, to display key state
|
||
|
|
* data as it is received.
|
||
|
|
*/
|
||
|
|
void KeyboardHost_Task(void)
|
||
|
|
{
|
||
|
|
if (USB_HostState != HOST_STATE_Configured)
|
||
|
|
return;
|
||
|
|
|
||
|
|
if (HID_Host_IsReportReceived(&Keyboard_HID_Interface))
|
||
|
|
{
|
||
|
|
USB_KeyboardReport_Data_t KeyboardReport;
|
||
|
|
HID_Host_ReceiveReport(&Keyboard_HID_Interface, &KeyboardReport);
|
||
|
|
|
||
|
|
LEDs_ChangeLEDs(LEDS_LED1, (KeyboardReport.Modifier) ? LEDS_LED1 : 0);
|
||
|
|
|
||
|
|
uint8_t KeyCode = KeyboardReport.KeyCode[0];
|
||
|
|
|
||
|
|
if (KeyCode)
|
||
|
|
{
|
||
|
|
char PressedKey = 0;
|
||
|
|
|
||
|
|
LEDs_ToggleLEDs(LEDS_LED2);
|
||
|
|
|
||
|
|
/* 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';
|
||
|
|
}
|
||
|
|
|
||
|
|
if (PressedKey)
|
||
|
|
putchar(PressedKey);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/** 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("Device Attached.\r\n"));
|
||
|
|
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("\r\nDevice Unattached.\r\n"));
|
||
|
|
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)
|
||
|
|
{
|
||
|
|
LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
|
||
|
|
|
||
|
|
uint16_t ConfigDescriptorSize;
|
||
|
|
uint8_t ConfigDescriptorData[512];
|
||
|
|
|
||
|
|
if (USB_Host_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData,
|
||
|
|
sizeof(ConfigDescriptorData)) != HOST_GETCONFIG_Successful)
|
||
|
|
{
|
||
|
|
puts_P(PSTR("Error Retrieving Configuration Descriptor.\r\n"));
|
||
|
|
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (HID_Host_ConfigurePipes(&Keyboard_HID_Interface,
|
||
|
|
ConfigDescriptorSize, ConfigDescriptorData) != HID_ENUMERROR_NoError)
|
||
|
|
{
|
||
|
|
puts_P(PSTR("Attached Device Not a Valid Keyboard.\r\n"));
|
||
|
|
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful)
|
||
|
|
{
|
||
|
|
puts_P(PSTR("Error Setting Device Configuration.\r\n"));
|
||
|
|
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (HID_Host_SetBootProtocol(&Keyboard_HID_Interface) != 0)
|
||
|
|
{
|
||
|
|
puts_P(PSTR("Could not Set Boot Protocol Mode.\r\n"));
|
||
|
|
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);
|
||
|
|
}
|
||
|
|
|