/*
LUFA Library
- Copyright (C) Dean Camera, 2011.
+ Copyright (C) Dean Camera, 2012.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
- Copyright 2011 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
#include "KeyboardHostWithParser.h"
/** Processed HID report descriptor items structure, containing information on each HID report element */
-HID_ReportInfo_t HIDReportInfo;
+static HID_ReportInfo_t HIDReportInfo;
/** 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
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_SetReportProtocol(&Keyboard_HID_Interface) != 0)
- {
- puts_P(PSTR("Error Setting Report Protocol Mode or Not a Valid Keyboard.\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))
- {
- uint8_t KeyboardReport[Keyboard_HID_Interface.State.LargestReportSize];
- HID_Host_ReceiveReport(&Keyboard_HID_Interface, &KeyboardReport);
-
- for (uint8_t ReportNumber = 0; ReportNumber < HIDReportInfo.TotalReportItems; ReportNumber++)
- {
- HID_ReportItem_t* ReportItem = &HIDReportInfo.ReportItems[ReportNumber];
-
- /* Update the report item value if it is contained within the current report */
- if (!(USB_GetHIDReportItemInfo(KeyboardReport, ReportItem)))
- continue;
-
- /* Determine what report item is being tested, process updated value as needed */
- if ((ReportItem->Attributes.Usage.Page == USAGE_PAGE_KEYBOARD) &&
- (ReportItem->Attributes.BitSize == 8) &&
- (ReportItem->Attributes.Logical.Maximum > 1) &&
- (ReportItem->ItemType == HID_REPORT_ITEM_In))
- {
- /* Key code is an unsigned char in length, cast to the appropriate type */
- uint8_t KeyCode = (uint8_t)ReportItem->Value;
-
- /* If scan-code is non-zero, a key is being pressed */
- if (KeyCode)
- {
- /* Toggle status LED to indicate keypress */
- LEDs_ToggleLEDs(LEDS_LED2);
-
- char PressedKey = 0;
-
- /* Convert scan-code to printable 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) + '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);
- }
-
- /* Once a scan-code is found, stop scanning through the report items */
- break;
- }
- }
- }
-
- break;
- }
+ KeyboardHost_Task();
HID_Host_USBTask(&Keyboard_HID_Interface);
USB_USBTask();
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))
+ {
+ uint8_t KeyboardReport[Keyboard_HID_Interface.State.LargestReportSize];
+ HID_Host_ReceiveReport(&Keyboard_HID_Interface, &KeyboardReport);
+
+ for (uint8_t ReportNumber = 0; ReportNumber < HIDReportInfo.TotalReportItems; ReportNumber++)
+ {
+ HID_ReportItem_t* ReportItem = &HIDReportInfo.ReportItems[ReportNumber];
+
+ /* Update the report item value if it is contained within the current report */
+ if (!(USB_GetHIDReportItemInfo(KeyboardReport, ReportItem)))
+ continue;
+
+ /* Determine what report item is being tested, process updated value as needed */
+ if ((ReportItem->Attributes.Usage.Page == USAGE_PAGE_KEYBOARD) &&
+ (ReportItem->Attributes.BitSize == 8) &&
+ (ReportItem->Attributes.Logical.Maximum > 1) &&
+ (ReportItem->ItemType == HID_REPORT_ITEM_In))
+ {
+ /* Key code is an unsigned char in length, cast to the appropriate type */
+ uint8_t KeyCode = (uint8_t)ReportItem->Value;
+
+ /* If scan-code is non-zero, a key is being pressed */
+ if (KeyCode)
+ {
+ /* Toggle status LED to indicate keypress */
+ LEDs_ToggleLEDs(LEDS_LED2);
+
+ char PressedKey = 0;
+
+ /* Convert scan-code to printable 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);
+ }
+
+ /* Once a scan-code is found, stop scanning through the report items */
+ break;
+ }
+ }
+ }
+}
+
/** 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_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_SetReportProtocol(&Keyboard_HID_Interface) != 0)
+ {
+ puts_P(PSTR("Error Setting Report Protocol Mode or Not a Valid Keyboard.\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);
projects / pub / USBasp.git / blobdiff