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added author, typo

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DB1UJ 2022-04-14 10:26:48 +02:00 committed by GitHub
parent 3b6815f6b6
commit a25b5f01c1
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1 changed files with 3 additions and 1 deletions
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4
tnc/helpers.py
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@ -258,6 +258,7 @@ def check_callsign(callsign:bytes, crc_to_check:bytes):
def encode_grid(grid):
"""
@auther: DB1UJ
Args:
grid:string: maidenhead QTH locater [a-r][a-r][0-9][0-9][a-x][a-x]
Returns:
@ -270,7 +271,7 @@ def encode_grid(grid):
int_first = ord(grid[0])-65 # -65 offset for 'A' become zero, utf8 table
int_sec = ord(grid[1])-65 # -65 offset for 'A' become zero, utf8 table
int_val = (int_first * 18) + int_sec # encode for modulo devisioni, 2 numbers in 1
int_val = (int_first * 18) + int_sec # encode for modulo devision, 2 numbers in 1
out_code_word = (int_val & 0b111111111) # only 9 bit LSB A - R * A - R is needed
out_code_word = out_code_word << 9 # shift 9 bit left having space next bits, letter A-R * A-R
@ -290,6 +291,7 @@ def encode_grid(grid):
def decode_grid(b_code_word:bytes):
"""
@auther: DB1UJ
Args:
b_code_word:bytes: 4 bytes with 26 bit valid data LSB
Returns: