/*
LUFA Library
- Copyright (C) Dean Camera, 2010.
-
+ Copyright (C) Dean Camera, 2013.
+
dean [at] fourwalledcubicle [dot] com
- www.fourwalledcubicle.com
+ www.lufa-lib.org
*/
/*
Copyright 2010 Denver Gingerich (denver [at] ossguy [dot] com)
- Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+ Copyright 2013 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
+ 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
arising out of or in connection with the use or performance of
this software.
*/
-
+
/** \file
*
* Main source file for the MagStripe reader program. This file contains the main tasks of
* the project and is responsible for the initial application hardware configuration.
*/
-
+
#include "Magstripe.h"
/** Bit buffers to hold the read bits for each of the three magnetic card tracks before they are transmitted
* to the host as keyboard presses.
*/
-BitBuffer_t TrackDataBuffers[TOTAL_TRACKS];
+static BitBuffer_t TrackDataBuffers[TOTAL_TRACKS];
/** Pointer to the current track buffer being sent to the host. */
-BitBuffer_t* CurrentTrackBuffer = &TrackDataBuffers[TOTAL_TRACKS];
+static BitBuffer_t* CurrentTrackBuffer = &TrackDataBuffers[TOTAL_TRACKS];
/** Buffer to hold the previously generated Keyboard HID report, for comparison purposes inside the HID class driver. */
-uint8_t PrevKeyboardHIDReportBuffer[sizeof(USB_KeyboardReport_Data_t)];
+static uint8_t PrevKeyboardHIDReportBuffer[sizeof(USB_KeyboardReport_Data_t)];
/** 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
.Config =
{
.InterfaceNumber = 0,
-
- .ReportINEndpointNumber = KEYBOARD_EPNUM,
- .ReportINEndpointSize = KEYBOARD_EPSIZE,
- .ReportINEndpointDoubleBank = KEYBOARD_EPSIZE,
-
+ .ReportINEndpoint =
+ {
+ .Address = KEYBOARD_EPADDR,
+ .Size = KEYBOARD_EPSIZE,
+ .Banks = 1,
+ },
.PrevReportINBuffer = PrevKeyboardHIDReportBuffer,
.PrevReportINBufferSize = sizeof(PrevKeyboardHIDReportBuffer),
},
};
+
/** Main program entry point. This routine contains the overall program flow, including initial
* setup of all components and the main program loop.
*/
int main(void)
{
SetupHardware();
-
+
for (uint8_t Buffer = 0; Buffer < TOTAL_TRACKS; Buffer++)
BitBuffer_Init(&TrackDataBuffers[Buffer]);
-
- sei();
+
+ GlobalInterruptEnable();
for (;;)
{
const struct
{
uint8_t ClockMask;
- uint8_t DataMask;
+ uint8_t DataMask;
} TrackInfo[] = {{MAG_T1_CLOCK, MAG_T1_DATA},
{MAG_T2_CLOCK, MAG_T2_DATA},
{MAG_T3_CLOCK, MAG_T3_DATA}};
bool DataPinLevel = ((Magstripe_LCL & TrackInfo[Track].DataMask) != 0);
bool ClockPinLevel = ((Magstripe_LCL & TrackInfo[Track].ClockMask) != 0);
bool ClockLevelChanged = (((Magstripe_LCL ^ Magstripe_Prev) & TrackInfo[Track].ClockMask) != 0);
-
+
/* Sample data on rising clock edges from the card reader */
if (ClockPinLevel && ClockLevelChanged)
BitBuffer_StoreNextBit(&TrackDataBuffers[Track], DataPinLevel);
Magstripe_Prev = Magstripe_LCL;
Magstripe_LCL = Magstripe_GetStatus();
}
-
+
CurrentTrackBuffer = &TrackDataBuffers[0];
}
void EVENT_USB_Device_ConfigurationChanged(void)
{
HID_Device_ConfigureEndpoints(&Keyboard_HID_Interface);
-
+
USB_Device_EnableSOFEvents();
}
-/** Event handler for the library USB Unhandled Control Packet event. */
-void EVENT_USB_Device_UnhandledControlRequest(void)
+/** Event handler for the library USB Control Request reception event. */
+void EVENT_USB_Device_ControlRequest(void)
{
HID_Device_ProcessControlRequest(&Keyboard_HID_Interface);
}
/** HID class driver callback function for the creation of HID reports to the host.
*
- * \param[in] HIDInterfaceInfo Pointer to the HID class interface configuration structure being referenced
- * \param[in,out] ReportID Report ID requested by the host if non-zero, otherwise callback should set to the generated report ID
- * \param[in] ReportType Type of the report to create, either REPORT_ITEM_TYPE_In or REPORT_ITEM_TYPE_Feature
- * \param[out] ReportData Pointer to a buffer where the created report should be stored
- * \param[out] ReportSize Number of bytes written in the report (or zero if no report is to be sent
+ * \param[in] HIDInterfaceInfo Pointer to the HID class interface configuration structure being referenced
+ * \param[in,out] ReportID Report ID requested by the host if non-zero, otherwise callback should set to the generated report ID
+ * \param[in] ReportType Type of the report to create, either HID_REPORT_ITEM_In or HID_REPORT_ITEM_Feature
+ * \param[out] ReportData Pointer to a buffer where the created report should be stored
+ * \param[out] ReportSize Number of bytes written in the report (or zero if no report is to be sent)
*
- * \return Boolean true to force the sending of the report, false to let the library determine if it needs to be sent
+ * \return Boolean \c true to force the sending of the report, \c false to let the library determine if it needs to be sent
*/
-bool CALLBACK_HID_Device_CreateHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo, uint8_t* const ReportID,
- const uint8_t ReportType, void* ReportData, uint16_t* ReportSize)
+bool CALLBACK_HID_Device_CreateHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo,
+ uint8_t* const ReportID,
+ const uint8_t ReportType,
+ void* ReportData,
+ uint16_t* const ReportSize)
{
USB_KeyboardReport_Data_t* KeyboardReport = (USB_KeyboardReport_Data_t*)ReportData;
/* Still data in the current track; convert next bit to a 1 or 0 keypress */
KeyboardReport->KeyCode[0] = BitBuffer_GetNextBit(CurrentTrackBuffer) ? KEY_1 : KEY_0;
}
-
+
*ReportSize = sizeof(USB_KeyboardReport_Data_t);
return false;
}
*
* \param[in] HIDInterfaceInfo Pointer to the HID interface structure for the HID interface being referenced
* \param[in] ReportID Report ID of the received report from the host
- * \param[in] ReportType The type of report that the host has sent, either REPORT_ITEM_TYPE_Out or REPORT_ITEM_TYPE_Feature
+ * \param[in] ReportType The type of report that the host has sent, either HID_REPORT_ITEM_Out or HID_REPORT_ITEM_Feature
* \param[in] ReportData Pointer to the report buffer where the received report is stored
* \param[in] ReportSize Size in bytes of the report received from the host
*/
-void CALLBACK_HID_Device_ProcessHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo, const uint8_t ReportID,
- const uint8_t ReportType, const void* ReportData, const uint16_t ReportSize)
+void CALLBACK_HID_Device_ProcessHIDReport(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo,
+ const uint8_t ReportID,
+ const uint8_t ReportType,
+ const void* ReportData,
+ const uint16_t ReportSize)
{
- // Unused (but mandatory for the HID class driver) in this demo, since there are no Host->Device reports
+ // Ignore keyboard LED reports from the host, but still need to declare the callback routine
}
+
projects / pub / USBasp.git / blobdiff