348 lines
9.2 KiB
C
348 lines
9.2 KiB
C
#include "../wiegand.h"
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void wiegand_add_info_4bit_8bit(FuriString *buffer)
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{
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if (bit_count == 8)
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{
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for (int i = 0; i < 4; i++)
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{
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furi_string_cat_printf(
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buffer, "\nbit %d: %d %d (bit %d)", i, data[i], data[i + 4], i + 4);
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if (data[i] == data[i + 4])
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{
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furi_string_cat_printf(buffer, " - ERROR");
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}
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else
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{
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furi_string_cat_printf(buffer, " - OK");
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}
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}
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}
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if (bit_count == 4 || bit_count == 8)
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{
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int code = 0;
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int offset = bit_count == 4 ? 0 : 4;
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for (int i = 0; i < 4; i++)
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{
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code = code << 1;
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code += data[i + offset] ? 1 : 0;
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}
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if (code <= 9)
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{
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furi_string_cat_printf(buffer, "\nButton: %d", code);
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}
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else if (code == 10)
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{
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furi_string_cat_printf(buffer, "\nButton: Escape");
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}
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else if (code == 11)
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{
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furi_string_cat_printf(buffer, "\nButton: Enter");
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}
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}
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}
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void wiegand_add_info_26bit(FuriString *buffer)
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{
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// 26 bit wiegand, the first bit is the even parity bit, which is
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// based on the next 12 bits. The number of bits that are a 1 should
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// be even.
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// After the parity bit, the next 8 bits are the facility code.
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// Then the next 16 bits are the card id .
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furi_string_cat_printf(buffer, "\nFacility: ");
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int code = 0;
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int count = 0;
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uint32_t dec = 0;
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for (int i = 1; i < 25; i++)
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{
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code = code << 1;
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dec = dec << 1;
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code |= data[i] ? 1 : 0;
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dec |= data[i] ? 1 : 0;
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if (++count % 4 == 0)
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{
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furi_string_cat_printf(buffer, "%X", code);
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code = 0;
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}
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if (i == 8)
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{
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furi_string_cat_printf(buffer, " (%ld)", dec);
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dec = 0;
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}
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// Parity, then 8 bit facility code, then id.
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if (i == 9)
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{
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furi_string_cat_printf(buffer, "\nCard: ");
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}
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}
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furi_string_cat_printf(buffer, " (%ld)", dec);
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int parity = 0;
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if (data[0])
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{
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parity = 1;
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}
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for (int i = 1; i < 13; i++)
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{
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if (data[i])
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{
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parity++;
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}
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}
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if (parity % 2 == 0)
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{
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furi_string_cat_printf(buffer, "\nEven Parity (%d): OK", parity);
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}
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else
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{
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furi_string_cat_printf(buffer, "\nEven Parity (%d): ERROR", parity);
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}
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if (data[13])
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{
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parity = 1;
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}
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else
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{
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parity = 0;
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}
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for (int i = 14; i < 26; i++)
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{
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if (data[i])
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{
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parity++;
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}
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}
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if (parity % 2 == 0)
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{
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furi_string_cat_printf(buffer, "\nOdd Parity (%d): ERROR", parity);
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}
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else
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{
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furi_string_cat_printf(buffer, "\nOdd Parity (%d): OK", parity);
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}
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}
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void wiegand_add_info_24bit(FuriString *buffer)
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{
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// 24 bit wiegand (no parity info).
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// The First 8 bits are the facility code.
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// Then the next 16 bits are the card id.
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furi_string_cat_printf(buffer, "\nFacility: 0x");
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int code = 0;
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int count = 0;
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uint32_t dec = 0;
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for (int i = 0; i < 24; i++)
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{
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code = code << 1;
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dec = dec << 1;
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code |= data[i] ? 1 : 0;
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dec |= data[i] ? 1 : 0;
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if (++count % 4 == 0)
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{
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furi_string_cat_printf(buffer, "%X", code);
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code = 0;
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}
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// The first 8 bits are facility code, then comes id.
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if (i == 8)
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{
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furi_string_cat_printf(buffer, " (%ld)", dec);
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dec = 0;
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furi_string_cat_printf(buffer, "\nCard: 0x");
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}
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}
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furi_string_cat_printf(buffer, " (%ld)", dec);
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}
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void wiegand_add_info_48bit(FuriString *buffer)
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{
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// We assume this is HID 48 bit Corporate 1000 - H2004064 format.
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// The first bit is odd parity 2 (based on bits 2-48).
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// The next bit is even parity (based on 4-5,7-8,10-11,...,46-47).
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// Then 22 bit company code.
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// Then 23 bit card id.
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/// Then odd parity 1 (based on 3-4,6-7,9-10,...,45-46).
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// 22 bits company code (bits 3-24; data[2..23])
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uint32_t code = 0;
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for (int i = 2; i <= 23; i++)
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{
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code = code << 1;
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code |= data[i] ? 1 : 0;
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}
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furi_string_cat_printf(buffer, "\nFacility: %lX (%ld)", code, code);
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// 23 bit card id (bits 25-47; data[24..46]).
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code = 0;
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for (int i = 24; i <= 46; i++)
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{
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code = code << 1;
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code |= data[i] ? 1 : 0;
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}
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furi_string_cat_printf(buffer, "\nCard: %lX (%ld)", code, code);
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// TODO: Add the 3 parity checks.
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}
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void wiegand_add_info_35bit(FuriString *buffer)
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{
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// We assume this is HID 35 bit Corporate 1000 - C1k35s format.
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// 12 bits company code
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uint32_t code = 0;
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for (int i = 2; i <= 13; i++)
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{
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code = code << 1;
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code |= data[i] ? 1 : 0;
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}
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furi_string_cat_printf(buffer, "\nFacility: %lX (%ld)", code, code);
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// 20 bit card id
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code = 0;
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for (int i = 14; i <= 33; i++)
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{
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code = code << 1;
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code |= data[i] ? 1 : 0;
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}
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furi_string_cat_printf(buffer, "\nCard: %lX (%ld)", code, code);
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}
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void wiegand_add_info_36bit(FuriString *buffer)
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{
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// We assume this is HID 36 bit Keyscan - C15001 format.
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// 10 bits OEM
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uint32_t oem = 0;
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for (int i = 1; i <= 10; i++)
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{
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oem = (oem << 1) | (data[i] ? 1 : 0);
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}
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furi_string_cat_printf(buffer, "\nOEM: %lX (%ld)", oem, oem);
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// 8 bits facility code
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uint32_t facilityCode = 0;
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for (int i = 11; i <= 18; i++)
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{
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facilityCode = (facilityCode << 1) | (data[i] ? 1 : 0);
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}
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furi_string_cat_printf(buffer, "\nFacility: %lX (%ld)", facilityCode, facilityCode);
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// 16 bits card ID
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uint32_t cardID = 0;
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for (int i = 19; i <= 34; i++)
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{
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cardID = (cardID << 1) | (data[i] ? 1 : 0);
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}
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furi_string_cat_printf(buffer, "\nCard: %lX (%ld)", cardID, cardID);
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}
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void wiegand_add_info(FuriString *buffer)
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{
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furi_string_push_back(buffer, '\n');
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if (bit_count == 4 || bit_count == 8)
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{
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wiegand_add_info_4bit_8bit(buffer);
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}
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else if (bit_count == 26)
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{
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wiegand_add_info_26bit(buffer);
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}
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else if (bit_count == 24)
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{
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wiegand_add_info_24bit(buffer);
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}
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else if (bit_count == 35)
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{
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wiegand_add_info_35bit(buffer);
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}
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else if (bit_count == 36)
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{
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wiegand_add_info_36bit(buffer);
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}
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else if (bit_count == 48)
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{
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wiegand_add_info_48bit(buffer);
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}
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furi_string_push_back(buffer, '\n');
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}
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void wiegand_button_callback(GuiButtonType result, InputType type, void *context)
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{
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App *app = context;
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if (type == InputTypeShort && result == GuiButtonTypeLeft)
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{
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view_dispatcher_send_custom_event(app->view_dispatcher, WiegandDataSceneSaveButtonEvent);
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}
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else if (type == InputTypeShort && result == GuiButtonTypeCenter)
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{
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view_dispatcher_send_custom_event(app->view_dispatcher, WiegandDataScenePlayButtonEvent);
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}
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}
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void wiegand_data_scene_on_enter(void *context)
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{
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App *app = context;
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widget_reset(app->widget);
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widget_add_string_element(app->widget, 0, 0, AlignLeft, AlignTop, FontPrimary, "Wiegand Data");
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FuriString *buffer = furi_string_alloc(1024);
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furi_string_printf(buffer, "Bits: %d\n", bit_count);
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for (int i = 0; i < bit_count; i++)
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{
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furi_string_push_back(buffer, data[i] ? '1' : '0');
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if ((bit_count - i - 1) % 22 == 21)
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{
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furi_string_push_back(buffer, '\n');
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}
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}
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furi_string_cat_printf(buffer, "\nPulse: %ld us", (data_rise[0] - data_fall[0]) / 64);
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furi_string_cat_printf(buffer, "\nPeriod: %ld us", (data_fall[1] - data_fall[0]) / 64);
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wiegand_add_info(buffer);
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for (int i = 0; i < bit_count;)
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{
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uint32_t pulse = (data_rise[i] - data_fall[i]) / 64;
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i++;
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uint32_t period = (i < bit_count) ? (data_fall[i] - data_fall[i - 1]) / 64 : 0;
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furi_string_cat_printf(
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buffer, "\n%c : %ld us, %ld us", data[i] ? '1' : '0', pulse, period);
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}
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widget_add_text_scroll_element(app->widget, 0, 12, 128, 34, furi_string_get_cstr(buffer));
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if (!data_saved)
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{
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widget_add_button_element(
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app->widget, GuiButtonTypeLeft, "Save", wiegand_button_callback, app);
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}
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widget_add_button_element(
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app->widget, GuiButtonTypeCenter, "Play", wiegand_button_callback, app);
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view_dispatcher_switch_to_view(app->view_dispatcher, WiegandWidgetView);
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}
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bool wiegand_data_scene_on_event(void *context, SceneManagerEvent event)
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{
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App *app = context;
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bool consumed = false;
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switch (event.type)
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{
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case SceneManagerEventTypeCustom:
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switch (event.event)
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{
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case WiegandDataScenePlayButtonEvent:
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wiegand_play();
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consumed = true;
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break;
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case WiegandDataSceneSaveButtonEvent:
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scene_manager_next_scene(app->scene_manager, WiegandSaveScene);
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consumed = true;
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break;
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default:
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consumed = false;
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break;
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}
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break;
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default:
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break;
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}
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return consumed;
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}
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