modbus_get_float_abcd - Man Page

get a float value from 2 registers in ABCD byte order


float modbus_get_float_abcd(const uint16_t *src);


The modbus_get_float_abcd() function shall get a float from 4 bytes in usual Modbus format. The src array must be a pointer on two 16 bits values, for example, if the first word is set to 0x0020 and the second to 0xF147, the float value will be read as 123456.0.

Return Value

The function shall return a float.

See Also

modbus_set_float_abcd(3) modbus_get_float_badc(3) modbus_get_float_cdab(3) modbus_get_float_dcba(3)


The libmodbus documentation was written by Stéphane Raimbault <>

Referenced By

libmodbus(7), modbus_get_float_badc(3), modbus_get_float_cdab(3), modbus_get_float_dcba(3), modbus_set_float_abcd(3).

01/25/2024 libmodbus v3.1.7 libmodbus Manual