Add self-describing registers for the NTAG I2C plus (NT3H2111/2211),
decoded bit-exact from the NT3H2111 datasheet (Tables 10-14):
- NtagI2CConfig config registers E8h/E9h (NC_REG: pass-through, FD_ON/
FD_OFF, SRAM mirror, transfer dir; LAST_NDEF_BLOCK;
SRAM_MIRROR_BLOCK; watchdog; I2C_CLOCK_STR; REG_LOCK)
- NtagI2CSession session registers ECh/EDh — same NC_REG copy plus the
NS_REG status byte and NEG_AUTH_REACHED
- NtagI2CPtI2C PT_I2C (E7h): 2K_PROT / SRAM_PROT / I2C_PROT
Config and session share one _NtagI2CRegBlock base (byte 6 differs:
REG_LOCK vs NS_REG). Bound via tag.config / tag.session / tag.pt_i2c;
the fresh-tag decode matches the shipped defaults. 7 new tests.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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