b0VIM 8.2 y��^ L nmryan LALWL0719110522 C:/data/tools/ccsds_primary_header/examples/example.rs
3210#"! U tp � I ad � � I � � � � � � E � � � W �
�
v
q
d
� � � � } I H & � � � H G * �
�
�
�
�
k
/
.
� � w b / ) ( � � _ " ! � � m H G � � � � � � � > � � � � } } } } } } bytes[3], bytes[4], bytes[5]); bytes[0], bytes[1], bytes[2], println!("ending bytes {:02X} {:02X} {:02X} {:02X} {:02X} {:02X}", let bytes : [u8;6] = std::mem::transmute::<PrimaryHeader, [u8;6]>(pri_header); unsafe { pri_header.length.set_length_field(3); // accounts for the primary header size and the 1 byte minimum size defined in the standard. // you can also set the packet length with pri_header.set_packet_length(4), which pri_header.sequence.set_sequence_count(1); pri_header.sequence.set_sequence_type(SeqFlag::Unsegmented); pri_header.control.set_apid(16); pri_header.control.set_secondary_header_flag(SecondaryHeaderFlag::Present); pri_header.control.set_packet_type(PacketType::Command); pri_header.control.set_version(0); let mut pri_header : PrimaryHeader = Default::default(); // rather then laying out the bytes in a [u8;6]; // We will build up the same packet that we have above, but using PrimaryHeader // We can also lay down a packet header with field setters. } assert!(pri_header.packet_length() == 10); // standard. // Total packet length is 10 (length field + size of header + 1) as per the CCSDS assert!(pri_header.length.length_field() == 3); // Packet length field of 3 assert!(pri_header.sequence.sequence_count() == 1); // Sequence count of 1 assert!(pri_header.sequence.sequence_type() == SeqFlag::Unsegmented); // Unsegmented packet assert!(pri_header.control.apid() == 16); // APID is 16 (0x10) assert!(pri_header.control.secondary_header_flag() == SecondaryHeaderFlag::Present); // Secondary header is present in this packet assert!(pri_header.control.packet_type() == PacketType::Command); // Packet type is command assert!(pri_header.control.version() == 0); // CCSDS version is currently always 0 assert!(pri_header == pri_header_new); let pri_header_new = PrimaryHeader::new(bytes); let pri_header = std::mem::transmute::<[u8;6], PrimaryHeader>(bytes); unsafe { bytes[3], bytes[4], bytes[5]); bytes[0], bytes[1], bytes[2], println!("starting bytes {:02X} {:02X} {:02X} {:02X} {:02X} {:02X}", let bytes : [u8;6] = [ 0x18, 0x10, 0xC0, 0x01, 0x00, 0x03 ]; // 4 bytes of data section, unsegmented, with a sequence count of 1. // This is a typical CCSDS Primary Header for a command with a secondary header, // we can cast it read and write its fields using the PrimaryHeader struct // If we have the bytes for a primary header from a file, socket, or some other source, fn main() { use ccsds_primary_header::primary_header::*; extern crate ccsds_primary_header;