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CHG: reverted back from the idea of measureing in (us) microseconds, the timer is too raw, gives 10-15us delays. Now we are measuring ticks, which is (1 us = 1.5ticks)

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like it was before.   ie:  80us = 80*1.5 = 120ticks.
This commit is contained in:
iceman1001 2016-09-11 11:14:12 +02:00
commit 76471e5d17
5 changed files with 53 additions and 38 deletions
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12
armsrc/lfops.c
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@ -1144,7 +1144,7 @@ void TurnReadLFOn(int delay) {
//int adcval = ((MAX_ADC_LF_VOLTAGE * AvgAdc(ADC_CHAN_LF)) >> 10);
// where to save it
SpinDelayUs(delay); // ICEMAN: problem with (us) clock is 21.3us increments
SpinDelayCountUs(delay); // ICEMAN: problem with (us) clock is 21.3us increments
}
// Write one bit to card
@ -1154,7 +1154,7 @@ void T55xxWriteBit(int bit) {
else
TurnReadLFOn(WRITE_1);
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
SpinDelayUs(WRITE_GAP); // ICEMAN: problem with (us) clock is 21.3us increments
SpinDelayCountUs(WRITE_GAP); // ICEMAN: problem with (us) clock is 21.3us increments
}
// Send T5577 reset command then read stream (see if we can identify the start of the stream)
@ -1168,7 +1168,7 @@ void T55xxResetRead(void) {
// Trigger T55x7 in mode.
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
SpinDelayUs(START_GAP); // ICEMAN: problem with (us) clock is 21.3us increments
SpinDelayCountUs(START_GAP); // ICEMAN: problem with (us) clock is 21.3us increments
// reset tag - op code 00
T55xxWriteBit(0);
@ -1198,7 +1198,7 @@ void T55xxWriteBlockExt(uint32_t Data, uint8_t Block, uint32_t Pwd, uint8_t arg)
// Trigger T55x7 in mode.
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
SpinDelayUs(START_GAP); // ICEMAN: problem with (us) clock is 21.3us increments
SpinDelayCountUs(START_GAP); // ICEMAN: problem with (us) clock is 21.3us increments
// Opcode 10
T55xxWriteBit(1);
@ -1258,7 +1258,7 @@ void T55xxReadBlock(uint16_t arg0, uint8_t Block, uint32_t Pwd) {
// Trigger T55x7 Direct Access Mode with start gap
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
SpinDelayUs(START_GAP); // ICEMAN: problem with (us) clock is 21.3us increments
SpinDelayCountUs(START_GAP); // ICEMAN: problem with (us) clock is 21.3us increments
// Opcode 1[page]
T55xxWriteBit(1);
@ -1298,7 +1298,7 @@ void T55xxWakeUp(uint32_t Pwd){
// Trigger T55x7 Direct Access Mode
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
SpinDelayUs(START_GAP); // ICEMAN: problem with (us) clock is 21.3us increments
SpinDelayCountUs(START_GAP); // ICEMAN: problem with (us) clock is 21.3us increments
// Opcode 10
T55xxWriteBit(1);