/*
LUFA Library
- Copyright (C) Dean Camera, 2010.
-
+ Copyright (C) Dean Camera, 2011.
+
dean [at] fourwalledcubicle [dot] com
- www.fourwalledcubicle.com
+ www.lufa-lib.org
*/
/*
- Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+ Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com)
- Permission to use, copy, modify, distribute, and sell this
+ 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
+ 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
+ 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
* Main source file for the GenericHIDHost demo. This file contains the main tasks of
* the demo and is responsible for the initial application hardware configuration.
*/
-
+
#include "GenericHIDHost.h"
/** Main program entry point. This routine configures the hardware required by the application, then
for (;;)
{
- HID_Host_Task();
+ ReadNextReport();
+
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);
}
/** 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)
{
+ 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;
+ }
+
+ puts_P(PSTR("HID Device 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);
*/
void ReadNextReport(void)
{
+ if (USB_HostState != HOST_STATE_Configured)
+ return;
+
/* Select and unfreeze HID data IN pipe */
Pipe_SelectPipe(HID_DATA_IN_PIPE);
Pipe_Unfreeze();
{
/* Refreeze HID data IN pipe */
Pipe_Freeze();
-
+
return;
}
-
+
/* Ensure pipe contains data before trying to read from it */
if (Pipe_IsReadWriteAllowed())
{
uint8_t ReportINData[Pipe_BytesInPipe()];
/* Read in HID report data */
- Pipe_Read_Stream_LE(&ReportINData, sizeof(ReportINData));
-
+ Pipe_Read_Stream_LE(&ReportINData, sizeof(ReportINData), NULL);
+
/* Print report data through the serial port */
for (uint16_t CurrByte = 0; CurrByte < sizeof(ReportINData); CurrByte++)
printf_P(PSTR("0x%02X "), ReportINData[CurrByte]);
-
+
puts_P(PSTR("\r\n"));
}
-
+
/* Clear the IN endpoint, ready for next data packet */
Pipe_ClearIN();
-
+
/* Refreeze HID data IN pipe */
Pipe_Freeze();
}
const uint8_t ReportType,
uint16_t ReportLength)
{
+ if (USB_HostState != HOST_STATE_Configured)
+ return;
+
/* Select the HID data OUT pipe */
Pipe_SelectPipe(HID_DATA_OUT_PIPE);
-
+
/* Not all HID devices have an OUT endpoint (some require OUT reports to be sent over the
* control endpoint instead) - check to see if the OUT endpoint has been initialized */
if (Pipe_IsConfigured() && (ReportType == REPORT_TYPE_OUT))
{
/* Refreeze the data OUT pipe */
Pipe_Freeze();
-
+
return;
}
-
+
/* If the report index is used, send it before the report data */
if (ReportIndex)
- Pipe_Write_Byte(ReportIndex);
+ Pipe_Write_8(ReportIndex);
/* Write out HID report data */
- Pipe_Write_Stream_LE(ReportOUTData, ReportLength);
-
+ Pipe_Write_Stream_LE(ReportOUTData, ReportLength, NULL);
+
/* Clear the OUT endpoint, send last data packet */
Pipe_ClearOUT();
USB_ControlRequest = (USB_Request_Header_t)
{
.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
- .bRequest = REQ_SetReport,
+ .bRequest = HID_REQ_SetReport,
.wValue = ((ReportType << 8) | ReportIndex),
.wIndex = 0,
.wLength = ReportLength,
}
}
-/** Task to set the configuration of the attached device after it has been enumerated, and to read and process
- * HID reports from the device and to send reports if desired.
- */
-void HID_Host_Task(void)
-{
- uint8_t ErrorCode;
-
- /* Switch to determine what user-application handled host state the host state machine is in */
- switch (USB_HostState)
- {
- case HOST_STATE_Addressed:
- puts_P(PSTR("Getting Config Data.\r\n"));
-
- /* 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);
-
- /* Indicate error status */
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
-
- /* Wait until USB device disconnected */
- USB_HostState = HOST_STATE_WaitForDeviceRemoval;
- break;
- }
-
- /* 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);
-
- /* Indicate error status */
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
-
- /* Wait until USB device disconnected */
- USB_HostState = HOST_STATE_WaitForDeviceRemoval;
- break;
- }
-
- puts_P(PSTR("HID Device Enumerated.\r\n"));
-
- USB_HostState = HOST_STATE_Configured;
- break;
- case HOST_STATE_Configured:
- ReadNextReport();
-
- break;
- }
-}
projects / pub / USBasp.git / blobdiff