From 2229ee897ec1b2062662da43f7dd8022a9e69fef Mon Sep 17 00:00:00 2001 From: marshmellow42 Date: Wed, 5 Apr 2017 21:19:48 -0400 Subject: [PATCH] adjust t55x7 testmode write timing --- armsrc/lfops.c | 25 +++++++++++++------------ 1 file changed, 13 insertions(+), 12 deletions(-) diff --git a/armsrc/lfops.c b/armsrc/lfops.c index 9c6c9ed8..f70ea896 100644 --- a/armsrc/lfops.c +++ b/armsrc/lfops.c @@ -1161,7 +1161,8 @@ void T55xxWriteBlockExt(uint32_t Data, uint32_t Block, uint32_t Pwd, uint8_t arg // Std Opcode 10 T55xxWriteBit(testMode ? 0 : 1); T55xxWriteBit(testMode ? 1 : Page); //Page 0 - if (PwdMode){ + + if (PwdMode) { // Send Pwd for (i = 0x80000000; i != 0; i >>= 1) 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) // "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? - // 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) { - // Turn field on to read the response - TurnReadLFOn(READ_GAP); - - // Acquisition - // Now do the acquisition - // Now do the acquisition - DoPartialAcquisition(20, true, 12000); + //TESTMODE TIMING TESTS: + // <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); - //doT55x7Acquisition(12000); } else { TurnReadLFOn(20 * 1000); - } //could attempt to do a read to confirm write took // as the tag should repeat back the new block // 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) // block data written in on repeat until reset. + //DoPartialAcquisition(20, true, 12000); + } + // turn field off FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); LED_A_OFF(); -- 2.39.2