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adjust t55x7 testmode write timing

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This commit is contained in:
marshmellow42 2017-04-05 21:19:48 -04:00
parent 605524b131
commit 2229ee897e
1 changed files with 13 additions and 12 deletions
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25
armsrc/lfops.c
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@ -1161,7 +1161,8 @@ void T55xxWriteBlockExt(uint32_t Data, uint32_t Block, uint32_t Pwd, uint8_t arg
// Std Opcode 10 // Std Opcode 10
T55xxWriteBit(testMode ? 0 : 1); T55xxWriteBit(testMode ? 0 : 1);
T55xxWriteBit(testMode ? 1 : Page); //Page 0 T55xxWriteBit(testMode ? 1 : Page); //Page 0
if (PwdMode){
if (PwdMode) {
// Send Pwd // Send Pwd
for (i = 0x80000000; i != 0; i >>= 1) for (i = 0x80000000; i != 0; i >>= 1)
T55xxWriteBit(Pwd & i); T55xxWriteBit(Pwd & i);
@ -1181,22 +1182,19 @@ void T55xxWriteBlockExt(uint32_t Data, uint32_t Block, uint32_t Pwd, uint8_t arg
// so wait a little more) // so wait a little more)
// "there is a clock delay before programming" // "there is a clock delay before programming"
// - programming takes ~5.6ms for t5577 ~18ms for E5550 // - programming takes ~5.6ms for t5577 ~18ms for E5550 or t5567
// so we should wait 1 clock + 5.6ms then read response? // so we should wait 1 clock + 5.6ms then read response?
// but we need to know we are dealing with t55x7 vs e5550 (or q5) marshmellow... // but we need to know we are dealing with t5577 vs t5567 vs e5550 (or q5) marshmellow...
if (testMode) { if (testMode) {
// Turn field on to read the response //TESTMODE TIMING TESTS:
TurnReadLFOn(READ_GAP); // <566us does nothing
// 566-568 switches between wiping to 0s and doing nothing
// 5184 wipes and allows 1 block to be programmed.
// indefinite power on wipes and then programs all blocks with bitshifted data sent.
TurnReadLFOn(5184);
// Acquisition
// Now do the acquisition
// Now do the acquisition
DoPartialAcquisition(20, true, 12000);
//doT55x7Acquisition(12000);
} else { } else {
TurnReadLFOn(20 * 1000); TurnReadLFOn(20 * 1000);
}
//could attempt to do a read to confirm write took //could attempt to do a read to confirm write took
// as the tag should repeat back the new block // as the tag should repeat back the new block
// until it is reset, but to confirm it we would // until it is reset, but to confirm it we would
@ -1205,6 +1203,9 @@ void T55xxWriteBlockExt(uint32_t Data, uint32_t Block, uint32_t Pwd, uint8_t arg
// response should be (for t55x7) a 0 bit then (ST if on) // response should be (for t55x7) a 0 bit then (ST if on)
// block data written in on repeat until reset. // block data written in on repeat until reset.
//DoPartialAcquisition(20, true, 12000);
}
// turn field off // turn field off
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
LED_A_OFF(); LED_A_OFF();