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Paradox clone functionality implemented (#747)

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This involves a refactor to the arm HID code to allow for arbitrary
preambles (such as HID Proximity and Paradox).
The client also borrows from the HID code, but is not shared, so could
use a significant refactor in the future.
This commit is contained in:
☃ Stephen Shkardoon ☃ 2019-01-05 21:48:59 +13:00 • committed by pwpiwi
commit 5f84531b82
9 changed files with 64 additions and 16 deletions
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12
armsrc/lfops.c
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@ -1417,8 +1417,8 @@ void WriteT55xx(uint32_t *blockdata, uint8_t startblock, uint8_t numblocks) {
}
}
// Copy HID id to card and setup block 0 config
void CopyHIDtoT55x7(uint32_t hi2, uint32_t hi, uint32_t lo, uint8_t longFMT) {
// Copy a HID-like card (e.g. HID Proximity, Paradox) to a T55x7 compatible card
void CopyHIDtoT55x7(uint32_t hi2, uint32_t hi, uint32_t lo, uint8_t longFMT, uint8_t preamble) {
uint32_t data[] = {0,0,0,0,0,0,0};
uint8_t last_block = 0;
@ -1430,15 +1430,15 @@ void CopyHIDtoT55x7(uint32_t hi2, uint32_t hi, uint32_t lo, uint8_t longFMT) {
}
// Build the 6 data blocks for supplied 84bit ID
last_block = 6;
// load preamble (1D) & long format identifier (9E manchester encoded)
data[1] = 0x1D96A900 | (manchesterEncode2Bytes((hi2 >> 16) & 0xF) & 0xFF);
// load preamble & long format identifier (9E manchester encoded)
data[1] = (preamble << 24) | 0x96A900 | (manchesterEncode2Bytes((hi2 >> 16) & 0xF) & 0xFF);
// load raw id from hi2, hi, lo to data blocks (manchester encoded)
data[2] = manchesterEncode2Bytes(hi2 & 0xFFFF);
data[3] = manchesterEncode2Bytes(hi >> 16);
data[4] = manchesterEncode2Bytes(hi & 0xFFFF);
data[5] = manchesterEncode2Bytes(lo >> 16);
data[6] = manchesterEncode2Bytes(lo & 0xFFFF);
} else {
} else {
// Ensure no more than 44 bits supplied
if (hi>0xFFF) {
DbpString("Tags can only have 44 bits.");
@ -1447,7 +1447,7 @@ void CopyHIDtoT55x7(uint32_t hi2, uint32_t hi, uint32_t lo, uint8_t longFMT) {
// Build the 3 data blocks for supplied 44bit ID
last_block = 3;
// load preamble
data[1] = 0x1D000000 | (manchesterEncode2Bytes(hi) & 0xFFFFFF);
data[1] = (preamble << 24) | (manchesterEncode2Bytes(hi) & 0xFFFFFF);
data[2] = manchesterEncode2Bytes(lo >> 16);
data[3] = manchesterEncode2Bytes(lo & 0xFFFF);
}