/*
LUFA Library
Copyright (C) Dean Camera, 2010.
-
+
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
Copyright 2010 Denver Gingerich (denver [at] ossguy [dot] com)
Copyright 2010 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
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
int main(void)
{
SetupHardware();
-
+
for (uint8_t Buffer = 0; Buffer < TOTAL_TRACKS; Buffer++)
BitBuffer_Init(&TrackDataBuffers[Buffer]);
-
+
sei();
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];
}
/* 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;
}
{
// Unused (but mandatory for the HID class driver) in this demo, since there are no Host->Device reports
}
+