modbus_write_bits man page on DragonFly

modbus_write_bits man page on DragonFly

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MODBUS_WRITE_BITS(3)	       Libmodbus Manual		  MODBUS_WRITE_BITS(3)

NAME
       modbus_write_bits - write many bits

SYNOPSIS
       int modbus_write_bits(modbus_t *ctx, int addr, int nb, const uint8_t
       *src);

DESCRIPTION
       The modbus_write_bits() function shall write the status of the nb bits
       (coils) from src at the address addr of the remote device. The src
       array must contains bytes set to TRUE or FALSE.

       The function uses the Modbus function code 0x0F (force multiple coils).

RETURN VALUE
       The modbus_write_bits() function shall return the number of written
       bits if successful. Otherwise it shall return -1 and set errno.

ERRORS
       EMBMDATA
	   Writing too many bits

SEE ALSO
       modbus_read_bits(3) modbus_write_bit(3)

AUTHORS
       The libmodbus documentation was written by Stéphane Raimbault
       <stephane.raimbault@gmail.com[1]>

NOTES
	1. stephane.raimbault@gmail.com
	   mailto:stephane.raimbault@gmail.com

libmodbus 3.1.0			  10/06/2013		  MODBUS_WRITE_BITS(3)

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