diff options
Diffstat (limited to 'Projects/Magstripe/Magstripe.c')
| -rw-r--r-- | Projects/Magstripe/Magstripe.c | 29 |
1 files changed, 15 insertions, 14 deletions
diff --git a/Projects/Magstripe/Magstripe.c b/Projects/Magstripe/Magstripe.c index 9a551a18a..50ca3cab3 100644 --- a/Projects/Magstripe/Magstripe.c +++ b/Projects/Magstripe/Magstripe.c @@ -1,7 +1,7 @@ /* LUFA Library Copyright (C) Dean Camera, 2010. - + dean [at] fourwalledcubicle [dot] com www.fourwalledcubicle.com */ @@ -10,13 +10,13 @@ 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 @@ -28,13 +28,13 @@ 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 @@ -73,10 +73,10 @@ USB_ClassInfo_HID_Device_t Keyboard_HID_Interface = int main(void) { SetupHardware(); - + for (uint8_t Buffer = 0; Buffer < TOTAL_TRACKS; Buffer++) BitBuffer_Init(&TrackDataBuffers[Buffer]); - + sei(); for (;;) @@ -113,7 +113,7 @@ void ReadMagstripeData(void) 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}}; @@ -128,7 +128,7 @@ void ReadMagstripeData(void) 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); @@ -137,7 +137,7 @@ void ReadMagstripeData(void) Magstripe_Prev = Magstripe_LCL; Magstripe_LCL = Magstripe_GetStatus(); } - + CurrentTrackBuffer = &TrackDataBuffers[0]; } @@ -200,7 +200,7 @@ bool CALLBACK_HID_Device_CreateHIDReport(USB_ClassInfo_HID_Device_t* const HIDIn /* 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; } @@ -221,3 +221,4 @@ void CALLBACK_HID_Device_ProcessHIDReport(USB_ClassInfo_HID_Device_t* const HIDI { // Unused (but mandatory for the HID class driver) in this demo, since there are no Host->Device reports } + |