Refactor hex library

[pennam]

temporarily fixes #8

[github-actions]

Memory usage change @ c661fd4

Board	flash	%	RAM for global variables	%
arduino:esp32:nano_nora	🔺 +28 - +60	0.0 - 0.0	0 - 0	0.0 - 0.0
arduino:mbed_edge:edge_control	💚 -48 - 0	-0.0 - 0.0	0 - 0	0.0 - 0.0
arduino:mbed_giga:giga	🔺 0 - +1376	0.0 - +0.07	0 - 0	0.0 - 0.0
arduino:mbed_nano:nanorp2040connect	🔺 0 - +1462	0.0 - +0.01	0 - 0	0.0 - 0.0
arduino:mbed_nicla:nicla_vision	🔺 0 - +159136	0.0 - +8.09	🔺 0 - +3336	0.0 - +0.64
arduino:mbed_opta:opta	🔺 0 - +1448	0.0 - +0.07	0 - 0	0.0 - 0.0
arduino:mbed_portenta:envie_m7	N/A	N/A	N/A	N/A
arduino:renesas_portenta:portenta_c33	💚 -8700 - 0	-0.41 - 0.0	🔺 0 - +172	0.0 - +0.03
arduino:renesas_uno:unor4wifi	🔺 0 - +904	0.0 - +0.34	0 - 0	0.0 - 0.0
arduino:samd:mkr1000	💚 -14304 - 0	-5.46 - 0.0	0 - 0	0.0 - 0.0
arduino:samd:mkrgsm1400	💚 -14300 - 0	-5.46 - 0.0	0 - 0	0.0 - 0.0
arduino:samd:mkrnb1500	💚 -14300 - 0	-5.46 - 0.0	0 - 0	0.0 - 0.0
arduino:samd:mkrwan1300	💚 -14300 - 0	-5.46 - 0.0	0 - 0	0.0 - 0.0
arduino:samd:mkrwifi1010	💚 -14420 - 0	-5.5 - 0.0	0 - 0	0.0 - 0.0
arduino:samd:nano_33_iot	💚 -14416 - 0	-5.5 - 0.0	0 - 0	0.0 - 0.0
esp32:esp32:esp32	❔ -132 - +60	-0.01 - 0.0	0 - 0	0.0 - 0.0

Click for full report table

Board	examples/lzssDecoder flash	%	examples/lzssDecoder RAM for global variables	%	examples/crc32 flash	%	examples/crc32 RAM for global variables	%	examples/crc16 flash	%	examples/crc16 RAM for global variables	%	examples/sha256 flash	%	examples/sha256 RAM for global variables	%	examples/boardID flash	%	examples/boardID RAM for global variables	%
arduino:esp32:nano_nora	60	0.0	0	0.0	60	0.0	0	0.0	60	0.0	0	0.0	60	0.0	0	0.0	28	0.0	0	0.0
arduino:mbed_edge:edge_control	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	-48	-0.0	0	0.0
arduino:mbed_giga:giga	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	1376	0.07	0	0.0
arduino:mbed_nano:nanorp2040connect	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	1462	0.01	0	0.0
arduino:mbed_nicla:nicla_vision	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	159136	8.09	3336	0.64
arduino:mbed_opta:opta	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	1448	0.07	0	0.0
arduino:mbed_portenta:envie_m7	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
arduino:renesas_portenta:portenta_c33	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	-8700	-0.41	172	0.03
arduino:renesas_uno:unor4wifi	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	904	0.34	0	0.0
arduino:samd:mkr1000	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	-14304	-5.46	0	0.0
arduino:samd:mkrgsm1400	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	-14300	-5.46	0	0.0
arduino:samd:mkrnb1500	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	-14300	-5.46	0	0.0
arduino:samd:mkrwan1300	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	-14300	-5.46	0	0.0
arduino:samd:mkrwifi1010	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	-14420	-5.5	0	0.0
arduino:samd:nano_33_iot	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	0	0.0	-14416	-5.5	0	0.0
esp32:esp32:esp32	60	0.0	0	0.0	60	0.0	0	0.0	60	0.0	0	0.0	60	0.0	0	0.0	-132	-0.01	0	0.0

Click for full report CSV

Board,examples/lzssDecoder<br>flash,%,examples/lzssDecoder<br>RAM for global variables,%,examples/crc32<br>flash,%,examples/crc32<br>RAM for global variables,%,examples/crc16<br>flash,%,examples/crc16<br>RAM for global variables,%,examples/sha256<br>flash,%,examples/sha256<br>RAM for global variables,%,examples/boardID<br>flash,%,examples/boardID<br>RAM for global variables,%
arduino:esp32:nano_nora,60,0.0,0,0.0,60,0.0,0,0.0,60,0.0,0,0.0,60,0.0,0,0.0,28,0.0,0,0.0
arduino:mbed_edge:edge_control,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,-48,-0.0,0,0.0
arduino:mbed_giga:giga,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,1376,0.07,0,0.0
arduino:mbed_nano:nanorp2040connect,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,1462,0.01,0,0.0
arduino:mbed_nicla:nicla_vision,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,159136,8.09,3336,0.64
arduino:mbed_opta:opta,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,1448,0.07,0,0.0
arduino:mbed_portenta:envie_m7,N/A,N/A,N/A,N/A,N/A,N/A,N/A,N/A,N/A,N/A,N/A,N/A,N/A,N/A,N/A,N/A,N/A,N/A,N/A,N/A
arduino:renesas_portenta:portenta_c33,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,-8700,-0.41,172,0.03
arduino:renesas_uno:unor4wifi,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,904,0.34,0,0.0
arduino:samd:mkr1000,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,-14304,-5.46,0,0.0
arduino:samd:mkrgsm1400,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,-14300,-5.46,0,0.0
arduino:samd:mkrnb1500,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,-14300,-5.46,0,0.0
arduino:samd:mkrwan1300,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,-14300,-5.46,0,0.0
arduino:samd:mkrwifi1010,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,-14420,-5.5,0,0.0
arduino:samd:nano_33_iot,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,0,0.0,-14416,-5.5,0,0.0
esp32:esp32:esp32,60,0.0,0,0.0,60,0.0,0,0.0,60,0.0,0,0.0,60,0.0,0,0.0,-132,-0.01,0,0.0