Function libmodbus_rs::prelude::set_bits_from_byte
[−]
[src]
pub fn set_bits_from_byte(dest: &mut [u8], index: u32, value: u8)
set_bits_from_byte
- set many bits from a single byte value
The set_bits_from_byte()
function shall set many bits from a single byte.
All 8 bits from the byte value will be written to dest
array starting at index
position.
Parameters
dest
- destination sliceindex
- starting position where the bit should writtenvalue
- set many bits from a single byte. All 8 bits from the bytevalue
will be written todest
slice starting atindex
position.
Examples
use libmodbus_rs::{Modbus, ModbusMapping, ModbusTCP}; use libmodbus_rs::prelude::*; let modbus = Modbus::new_tcp("127.0.0.1", 1502).unwrap(); let modbus_mapping = ModbusMapping::new(5, 5, 5, 5).unwrap(); // before assert_eq!(modbus_mapping.get_input_bits_mut(), [0u8, 0, 0, 0, 0]); set_bits_from_byte(modbus_mapping.get_input_bits_mut(), 2, 0b1111_1111); // after assert_eq!(modbus_mapping.get_input_bits_mut(), [0u8, 0, 1, 1, 1]);