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add wake option to t55xx read command

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This commit is contained in:
marshmellow42 2015-10-17 15:01:26 -04:00
commit 8e99ec25ed
5 changed files with 81 additions and 38 deletions
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21
armsrc/lfops.c
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@ -1202,9 +1202,10 @@ void T55xxWriteBlock(uint32_t Data, uint32_t Block, uint32_t Pwd, uint8_t PwdMod
}
// Read one card block in page 0
void T55xxReadBlock(uint32_t Block, uint32_t Pwd, uint8_t PwdMode) {
void T55xxReadBlock(uint16_t arg0, uint8_t Block, uint32_t Pwd) {
LED_A_ON();
uint8_t PwdMode = arg0 & 0xFF;
uint8_t wake = arg0 >> 8;
uint32_t i = 0;
//clear buffer now so it does not interfere with timing later
@ -1237,17 +1238,21 @@ void T55xxReadBlock(uint32_t Block, uint32_t Pwd, uint8_t PwdMode) {
T55xxWriteBit(1);
T55xxWriteBit(0); //Page 0
if (PwdMode == 1){
if (PwdMode || wake){
// Send Pwd
for (i = 0x80000000; i != 0; i >>= 1)
T55xxWriteBit(Pwd & i);
}
// Send a zero bit separation
T55xxWriteBit(0);
// Send Block number
for (i = 0x04; i != 0; i >>= 1)
T55xxWriteBit(Block & i);
// reading a block - send rest of read block cmd else skip for wake command
if (!wake) {
// Send a zero bit separation
T55xxWriteBit(0);
// Send Block number
for (i = 0x04; i != 0; i >>= 1)
T55xxWriteBit(Block & i);
}
// Turn field on to read the response
TurnReadLFOn(READ_GAP);