Query: modbus_read_input_bits
OS: debian
Section: 3
Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar
MODBUS_READ_INPUT_BI(3) Libmodbus Manual MODBUS_READ_INPUT_BI(3)NAMEmodbus_read_input_bits - read many input bitsSYNOPSISint modbus_read_input_bits(modbus_t *ctx, int addr, int nb, uint8_t *dest);DESCRIPTIONThe modbus_read_input_bits() function shall read the content of the nb input bits to the address addr of the remote device. The result of reading is stored in dest array as unsigned bytes (8 bits) set to TRUE or FALSE. You must take care to allocate enough memory to store the results in dest (at least nb * sizeof(uint8_t)). The function uses the Modbus function code 0x02 (read input status).RETURN VALUEThe modbus_read_input_status() function shall return the number of read input status if successful. Otherwise it shall return -1 and set errno.ERRORSEMBMDATA Too many discrete inputs requestedSEE ALSOmodbus_read_input_registers(3)AUTHORSThe libmodbus documentation was written by Stephane Raimbault <stephane.raimbault@gmail.com[1]>NOTES1. stephane.raimbault@gmail.com mailto:stephane.raimbault@gmail.com libmodbus 3.0.3 05/26/2012 MODBUS_READ_INPUT_BI(3)
Related Man Pages |
---|
modbus_read_registers(3) - debian |
modbus_new_rtu(3) - debian |
modbus_reply_exception(3) - debian |
modbus_reply(3) - debian |
modbus_write_and_read_registers(3) - debian |
Similar Topics in the Unix Linux Community |
---|
Installing Dash Shell on OS X Lion |
Is UNIX an open source OS ? |
Introduction |
One instance of comparing grep and awk |
A (ksh) Library For and From UNIX.com |