#define WRITE_GAP 20*8 // was 160 // SPEC: 1*8 to 20*8 - typ 10*8 (or 10fc)
#define WRITE_0 18*8 // was 144 // SPEC: 16*8 to 32*8 - typ 24*8 (or 24fc)
#define WRITE_1 50*8 // was 400 // SPEC: 48*8 to 64*8 - typ 56*8 (or 56fc) 432 for T55x7; 448 for E5550
-=======
+*/
/* Q5 timing datasheet:
* Type | MIN | Typical | Max |
* Start_Gap | 10*8 | ? | 50*8 |
* Write_0 Fast Mode | 8*8 | 12*8 | 16*8 |
* Write_1 Fast Mode | 24*8 | 28*8 | 32*8 |
*/
-
+/*
//note startgap must be sent after tag has been powered up for more than 3ms (per T5557 ds)
#define START_GAP 31*8 //31*8 // was 250 // SPEC: 1*8 to 50*8 - typ 15*8 (or 15fc) - T5557: 10*8 to 50*8
#define WRITE_GAP 20*8 //20*8 // was 160 // SPEC: 1*8 to 20*8 - typ 10*8 (or 10fc) - T5557: 8*8 to 30*8 typ 50-150us
// Some defines for readability
-#define T55xx_LongLeadingReference 4 // Value to tell Write Bit to send long reference
#define T55xx_DLMode_Fixed 0 // Default Mode
#define T55xx_DLMode_LLR 1 // Long Leading Reference
#define T55xx_DLMode_Leading0 2 // Leading Zero
#define T55xx_DLMode_1of4 3 // 1 of 4
+#define T55xx_LongLeadingReference 4 // Value to tell Write Bit to send long reference
void TurnReadLFOn(int delay) {
FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_ADC | FPGA_LF_ADC_READER_FIELD);
bit_idx = NextOffset - (byte_idx * 8); // Get Bit Index to set/clr
// If set (1) we OR, if clear (0) we AND with inverse
- // Dbprintf ("Add Bit : %d at byte %d bit %d",bit,byte_idx,bit_idx);
+ // Dbprintf ("Add Bit : %d at byte %d bit %d",bit,byte_idx,bit_idx);
if (bit == 1)
bit_array[byte_idx] |= (1 << bit_idx); // Set the bit to 1