/*
LUFA Library
- Copyright (C) Dean Camera, 2010.
+ Copyright (C) Dean Camera, 2012.
dean [at] fourwalledcubicle [dot] com
- www.fourwalledcubicle.com
+ www.lufa-lib.org
*/
/*
- Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+ 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
for (;;)
{
- switch (USB_HostState)
- {
- case HOST_STATE_Addressed:
- 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);
- USB_HostState = HOST_STATE_WaitForDeviceRemoval;
- break;
- }
-
- 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);
- USB_HostState = HOST_STATE_WaitForDeviceRemoval;
- break;
- }
-
- if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful)
- {
- puts_P(PSTR("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)
- {
- puts_P(PSTR("Could not Set Boot Protocol Mode.\r\n"));
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
- USB_HostState = HOST_STATE_WaitForDeviceRemoval;
- break;
- }
-
- puts_P(PSTR("Keyboard Enumerated.\r\n"));
- LEDs_SetAllLEDs(LEDMASK_USB_READY);
- 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;
- }
+ KeyboardHost_Task();
HID_Host_USBTask(&Keyboard_HID_Interface);
USB_USBTask();
clock_prescale_set(clock_div_1);
/* Hardware Initialization */
- SerialStream_Init(9600, false);
+ 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
*/
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_ShutDown();
+ USB_Disable();
printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"
" -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);