X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/573a27d90ad2f00bfd2c639d3018e65d29099071..d5291c2e102e3cd0979179eef89ce2cb083614f3:/Demos/Host/ClassDriver/KeyboardHost/KeyboardHost.c diff --git a/Demos/Host/ClassDriver/KeyboardHost/KeyboardHost.c b/Demos/Host/ClassDriver/KeyboardHost/KeyboardHost.c index 0f901dddb..f67cd1161 100644 --- a/Demos/Host/ClassDriver/KeyboardHost/KeyboardHost.c +++ b/Demos/Host/ClassDriver/KeyboardHost/KeyboardHost.c @@ -1,217 +1,238 @@ -/* - 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 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 = - { - .DataINPipeNumber = 1, - .DataOUTPipeNumber = 2, - - .HIDInterfaceProtocol = HID_BOOT_KEYBOARD_PROTOCOL, - }, - }; - - -/** 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) -{ - SetupHardware(); - - puts_P(PSTR(ESC_FG_CYAN "Keyboard Host Demo running.\r\n" ESC_FG_WHITE)); - - LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY); - - for (;;) - { - switch (USB_HostState) - { - case HOST_STATE_Addressed: - LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING); - - uint16_t ConfigDescriptorSize; - uint8_t ConfigDescriptorData[512]; - - if (USB_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData, - sizeof(ConfigDescriptorData)) != HOST_GETCONFIG_Successful) - { - printf("Error Retrieving Configuration Descriptor.\r\n"); - LEDs_SetAllLEDs(LEDMASK_USB_ERROR); - USB_HostState = HOST_STATE_WaitForDeviceRemoval; - break; - } - - if (HID_Host_ConfigurePipes(&Keyboard_HID_Interface, - ConfigDescriptorSize, ConfigDescriptorData) != HID_ENUMERROR_NoError) - { - printf("Attached Device Not a Valid Keyboard.\r\n"); - LEDs_SetAllLEDs(LEDMASK_USB_ERROR); - USB_HostState = HOST_STATE_WaitForDeviceRemoval; - break; - } - - if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful) - { - printf("Error Setting Device Configuration.\r\n"); - LEDs_SetAllLEDs(LEDMASK_USB_ERROR); - USB_HostState = HOST_STATE_WaitForDeviceRemoval; - break; - } - - if (HID_Host_SetBootProtocol(&Keyboard_HID_Interface) != 0) - { - printf("Could not Set Boot Protocol Mode.\r\n"); - LEDs_SetAllLEDs(LEDMASK_USB_ERROR); - USB_HostState = HOST_STATE_WaitForDeviceRemoval; - break; - } - - printf("Keyboard Enumerated.\r\n"); - USB_HostState = HOST_STATE_Configured; - break; - case HOST_STATE_Configured: - 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 PressedKeyCode = KeyboardReport.KeyCode[0]; - - if (PressedKeyCode) - { - char PressedKey = 0; - - LEDs_ToggleLEDs(LEDS_LED2); - - /* Retrieve pressed key character if alphanumeric */ - if ((PressedKeyCode >= 0x04) && (PressedKeyCode <= 0x1D)) - PressedKey = (PressedKeyCode - 0x04) + 'A'; - else if ((PressedKeyCode >= 0x1E) && (PressedKeyCode <= 0x27)) - PressedKey = (PressedKeyCode - 0x1E) + '0'; - else if (PressedKeyCode == 0x2C) - PressedKey = ' '; - else if (PressedKeyCode == 0x28) - PressedKey = '\n'; - - if (PressedKey) - putchar(PressedKey); - } - } - - break; - } - - HID_Host_USBTask(&Keyboard_HID_Interface); - USB_USBTask(); - } -} - -/** Configures the board hardware and chip peripherals for the demo's functionality. */ -void SetupHardware(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(); - USB_Init(); -} - -/** 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_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_ShutDown(); - - 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); -} +/* + LUFA Library + Copyright (C) Dean Camera, 2012. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2012 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 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 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 = + { + .DataINPipeNumber = 1, + .DataINPipeDoubleBank = false, + + .DataOUTPipeNumber = 2, + .DataOUTPipeDoubleBank = false, + + .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); + sei(); + + 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) +{ + /* Disable watchdog if enabled by bootloader/fuses */ + MCUSR &= ~(1 << WDRF); + wdt_disable(); + + /* Disable clock division */ + clock_prescale_set(clock_div_1); + + /* 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); +} +