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Mgbidi dị ọnụ ala na-emeghe ultrasonic
Mgbidi dị ọnụ ala na-emeghe ultrasonic
Mgbidi dị ọnụ ala na-emeghe ultrasonic
Mgbidi dị ọnụ ala na-emeghe ultrasonic
Mgbidi dị ọnụ ala na-emeghe ultrasonic
Mgbidi dị ọnụ ala na-emeghe ultrasonic

Mgbidi dị ọnụ ala na-emeghe ultrasonic

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Njirimara Ngwaahịa

EkeBaa Chuan

Nkwakọ ngwaahịa & nzipu
Ere Ngwa : Set/Sets
Ultrasonic na-emeghe ọwa mmiri
Nkọwapụta ngwaahịa
Ozi Njehie na Nhazi data:
Onye ọbịa ma ọ bụ ohu nwere ike iji koodu nlele iji chọpụta ma ozi ndị ha nwetara ziri ezi. N'ihi mkpọtụ elektrọnik ma ọ bụ ihe mgbochi ọzọ, njehie na-eme mgbe ụfọdụ n'oge nnyefe ozi. Koodu nyocha (CRC) nwere ike ịlele ma ozi nke nnabata ma ọ bụ ohu na-ezighi ezi (agbanyeghị ma ọ bụ na-anabata ya), nke a na-abawanye nchekwa na arụmọrụ nke Sistem.
CRC CRC (koodu Cyclic Cyclic) nke Produti Vitinic compocol nwere 2 bytes, nke bụ ọnụọgụ ọnụọgụ abụọ nke 16-bit. A na-agbakọ koodu CRC site na ngwaọrụ izipu (nnabata) ma tinye ya na njedebe nke etiti ozi zitere. Ngwaọrụ (ohu) nke na-enweta ozi na-eweghachi CRC nke nnabata ma jiri ya tụnyere ma na-enweta CRC CRC nke nwetara otu. Ọ bụrụ na ha abụọ adabaghị, njehie pụtara.
A na-eji naanị 8 data mgbe ị na-eme CRC mgbako. Mmalite ahụ, kwụsịt na pertic etinyeghị na CRC.

Mgbe mita mmiri mmiri na-achọpụta njehie ọzọ karịa njehie koodu CRC, ọ ga-eziga ozi na ndị ọbịa. Ọnọdụ kachasị elu nke koodu bụ 1, ya bụ, iwu ọrụ sitere n'aka onye ọbịa ahụ bụ koodu onye ọbịa zitere 128. Koodu a na-egosi na njehie a na-atụghị anya ya mere.
Ọ bụrụ na ohu ahụ natara Nna ya ukwu nwere njehie CRC, ohu ahụ ga-eleghara ya anya.
Usoro nke koodu njehie weghachitere ohu ahụ dị ka ndị a (ma e wezụga koodu CC):
Koodu adres: 1 byte
Koodu ọrụ: 1 byte (nke kachasị elu bụ 1)
Koodu njehie: 1 byte
Koodu CRC: 2 bytes.

Ohu ohu ahụ na-emeghachi koodu njehie ndị a:
81. Koodu iwu na-akwadoghị.
A naghị akwado ya na tebụl ohu akwadoghị.
82. Guo Adreesị data ezighi ezi.
Ọnọdụ data akọwapụtara bụ na mpụga ụdị nke tebụl ohu ahụ.
83. Uru data ezighi ezi.

Uru data zitere site n'aka Master karịrị data nke adreesị kwekọrọ.

Ngwa ahịa ụlọ ọrụ anyị gụnyere ihe na-asọ oyi, ultrasonic oyi ma ọ bụ ọkụ ọkụ, na-emeghe ọwa mmiri, elektrik oyi ma ọ bụ ọkụ na-apụta.

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