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16 #ifndef _RL_MODBUS_CLIENT_H_
17 #define _RL_MODBUS_CLIENT_H_
31 rlModbusClient(
const char *mbxname,
const char *shmname,
int shmsize);
33 int write(
int slave,
int function,
const unsigned char *data,
int len);
35 int writeMultipleCoils(
int slave,
int adr,
const unsigned char *values,
int num_coils);
38 int readBit(
int offset,
int number);
39 int readByte(
int offset,
int number);