modb_multi_read_writecmd

Modbus function to generate command to multiple read and write registers

Arguments

1. Integer, device address
2. Integer, read register start address 0x0-0xFFFF
3. Integer, quantity of read reagister 0x1-0x7D
4. Integer, write register start address 0x0-0xFFFF
5. Integer, quantity of write registers 0x1-0x79
6. Integer vector, data to write, the length is equal to quantity of write registers

Output

Integer vector, Modbus command