Display sends:
DEBUG:pymodbus.server.sync:0x6 0x1e 0x0 0xfe 0x60 0x60 0x66 0xe6 0xf8
MCU:
DEBUG:pymodbus.server.sync:0x6 0x1e 0x80 0x80 0x0 0x0 0x60 0x0 0x0 0x0 0x0 0x0 0x60 0x78 0xe0
DEBUG:pymodbus.server.sync:0x6 0x1e 0x80 0x80 0x0 0x0 0x60 0x0 0x0 0x0 0x0 0x0 0x60 0x78 0xe0
DEBUG:pymodbus.server.sync:0x6 0x1e 0x80 0x80 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x66 0x78 0xe6
DEBUG:pymodbus.server.sync:0x6 0x1e 0x80 0x80 0x0 0x60 0x6 0x60 0x6 0x60 0x6 0x6 0x6 0x86 0xe0
DEBUG:pymodbus.server.sync:0x6 0x1e 0x80 0x80 0x6 0x6 0x98 0x66 0xe6 0x98 0x6 0x18 0x98 0x6 0x18 0x98 0x86 0xfe 0xfe
DEBUG:pymodbus.server.sync:0x6 0x1e 0x80 0x80 0x0 0x6 0x6 0x6 0x98 0x66 0xe6 0x98 0x6 0x18 0x98 0x86 0xf8 0x80 0xfe
DEBUG:pymodbus.server.sync:0x6 0x1e 0x80 0x80 0x0 0x6 0x6 0x6 0x98 0x66 0xe6 0x98 0x6 0x18 0x98 0x86 0xf8 0x80 0xfe
DEBUG:pymodbus.server.sync:0x6 0x1e 0x80 0x80 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x66 0x78 0xe6
DEBUG:pymodbus.server.sync:0x6 0x1e 0x80 0x80 0x0 0x6 0x6 0x6 0x98 0x66 0xe6 0x98 0x6 0x18 0x98 0x86 0xf8 0x80 0xfe
Display replies:
DEBUG:pymodbus.server.sync:0x6 0x1e 0x0 0x0 0x0 0x60 0x60 0x66 0x80
DEBUG:pymodbus.server.sync:0x6 0x1e 0x0 0x0 0x60 0x60 0x66 0x6 0xf8
DEBUG:pymodbus.server.sync:0x6 0x1e 0x0 0xfe 0x80 0x0 0x60 0x60 0x86 0x6
DEBUG:pymodbus.server.sync:0x6 0x1e 0x0 0xfe 0x80 0x0 0x60 0x60 0x86 0x6
DEBUG:pymodbus.server.sync:0x6 0x1e 0x0 0xfe 0x60 0x60 0x66 0xe6 0xf8
DEBUG:pymodbus.server.sync:0x6 0x1e 0x0 0xfe 0x80 0x0 0x60 0x60 0x86 0x6
DEBUG:pymodbus.server.sync:0x6 0x1e 0x0 0xfe 0x60 0x60 0x66 0xe6 0xf8
DEBUG:pymodbus.server.sync:0x6 0x1e 0x0 0xfe 0x80 0x0 0x60 0x60 0x86 0x6
DEBUG:pymodbus.server.sync:0x6 0x1e 0x0 0xfe 0x60 0x60 0x66 0xe6 0xf8
DEBUG:pymodbus.server.sync:0x6 0x1e 0x0 0xfe 0x80 0x0 0x60 0x60 0x86 0x6
DEBUG:pymodbus.server.sync:0x6 0x1e 0x0 0xfe 0x60 0x60 0x66 0xe6 0xf8
DEBUG:pymodbus.server.sync:0x6 0x1e 0x0 0xfe 0x80 0x0 0x60 0x60 0x86 0x6
DEBUG:pymodbus.server.sync:0x6 0x1e 0x0 0xfe 0x60 0x60 0x66 0xe6 0xf8
DEBUG:pymodbus.server.sync:0x6 0x1e 0x0 0xfe 0x80 0x0 0x60 0x60 0x86 0x6
From the display:
- 0xc3 - poll for MCU
- 0xcb - ack to MCU
- 0xd3 - stop key
- 0xdb - test?