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Explore Stack InternalIn ModbusRtu.h:
#define MAX_BUFFER 64 //!< maximum size for the communication buffer in bytes
27*2=54 bytes for registerregisters and 10 for header and crc.
Change the MAX_BUFFER define. On Mega you have enough RAM.
btw: RS485 doesn't imply mandatory use of Modbus. You could use your own protocol.
In ModbusRtu.h:
#define MAX_BUFFER 64 //!< maximum size for the communication buffer in bytes
27*2=54 bytes for register and 10 for header and crc.
Change the MAX_BUFFER define. On Mega you have enough RAM.
btw: RS485 doesn't imply mandatory use of Modbus. You could use your own protocol.
In ModbusRtu.h:
#define MAX_BUFFER 64 //!< maximum size for the communication buffer in bytes
27*2=54 bytes for registers and 10 for header and crc.
Change the MAX_BUFFER define. On Mega you have enough RAM.
btw: RS485 doesn't imply mandatory use of Modbus. You could use your own protocol.
In ModbusRtu.h:
#define MAX_BUFFER 64 //!< maximum size for the communication buffer in bytes
27*2=54 bytes for register and 10 for header and crc.
Change the MAX_BUFFER define. On Mega you have enough RAM.
btw: RS485 doesn't imply mandatory use of Modbus. You could use your own protocol.
