Class: IntelHex::Record::ValueRecordUint16

Inherits:
IntelHex::Record show all
Defined in:
lib/intel_hex/record/value_record_uint16.rb

Direct Known Subclasses

Ela, Esa

Instance Attribute Summary

Attributes inherited from IntelHex::Record

#checksum, #data, #length, #line, #offset

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from IntelHex::Record

#calculate_checksum, data, #each_byte_with_address, ela, eof, esa, inherited, #initialize, parse, #recalculate_checksum, register_type, sla, ssa, #to_ascii, #to_h, #to_s, #type_data_length, #type_id, type_id, #type_name, type_name, #valid?, #validate, #validate_checksum, #validate_data, #validate_length, #validate_offset, #value_s

Constructor Details

This class inherits a constructor from IntelHex::Record

Class Method Details

.type_data_length ⇒ Object 



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# File 'lib/intel_hex/record/value_record_uint16.rb', line 6

def self.type_data_length
  2
end

Instance Method Details

#value ⇒ Object

Retrieve the 16-bit unsigned integer value from the record.



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# File 'lib/intel_hex/record/value_record_uint16.rb', line 11

def value
  (data[0] << 8) | data[1]
end

#value=(value) ⇒ Object

Store a 32-bit unsigned integer value in the record.



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# File 'lib/intel_hex/record/value_record_uint16.rb', line 16

def value=(value)
  data[0..1] = [
    (value & 0xff00) >> 8,
    value & 0x00ff,
  ]
  @length = data.size
  @checksum = recalculate_checksum
end