Fahimtar SPI interface? Idan kun kasance sababbi a duniya A cikin kayan lantarki, ƙila kun ci karo da kalmar “SPI” kuma kuna mamakin abin da ake nufi da yadda take aiki. Kada ku damu, a cikin wannan labarin za mu bayyana muku shi a fili da sauƙi. Duk kana bukatar ka sani game da wannan hanyar sadarwa ta sadarwa. SPI, ko Serial Peripheral Interface, ƙa'idar sadarwa ce wacce ke ba da damar canja wurin bayanai tsakanin na'urori kayan lantarki. Ana amfani da shi sosai a aikace-aikace kamar microcontrollers, firikwensin da sauran abubuwan lantarki. Fahimtar SPI zai ba ku zurfin fahimta game da duniyar lantarki mai ban sha'awa da buɗe duniyar yuwuwar ayyukan ku. Don haka, bari mu nutse a ciki kuma mu lalata tsarin SPI.

- Mataki-mataki ➡️ Fahimtar ƙirar SPI?

• Fahimtar SPI interface? Barka da zuwa wannan jagorar mataki zuwa mataki don fahimtar Serial Peripheral Interface (SPI).
• Hanyar 1: Za mu fara da ma'anar abin da SPI ke dubawa. SPI ƙa'idar sadarwa ce ta aiki tare da ake amfani da ita don canja wurin bayanai tsakanin na'urorin lantarki.
• Hanyar 2: SPI dubawa yana buƙatar aƙalla na'urori biyu: ubangida da bawa. Maigidan yana sarrafa sadarwa kuma bawan yana amsa bukatun ubangijin.
• Hanyar 3: Na'urori suna haɗi ta amfani da aƙalla layukan sadarwa huɗu: SCLK, MOSI, MISO da SS. SCLK shine layin agogo wanda ke aiki tare da watsa bayanai. MOSI na aika bayanai daga maigida zuwa ga bawa, yayin da MISO ke aika bayanai daga bawa zuwa ga maigidan. Ana amfani da SS, ko Slave Select, don zaɓar wanda bawa yake sadarwa.
• Hanyar 4: Sadarwa a cikin SPI ya dogara ne akan watsa bayanai 8-bit. Ana watsa bayanai a jere, bi da bi, cikin takamaiman tsari.
• Hanyar 5: Ana ƙayyade ƙimar baud a cikin SPI ta saita mitar agogo akan maigidan. Ana iya daidaita saurin don dacewa da buƙatun tsarin, amma dole ne a yarda tsakanin maigida da bawa.
• Hanyar 6: Ɗaya daga cikin mahimman fa'idodin SPI dubawa shine sassauci. Yana ba da damar daidaita bayanan bas ɗin bas, wanda yake nufin cewa Barori da yawa suna iya haɗawa zuwa babban bas guda ɗaya.
• Hanyar 7: Yana da mahimmanci a lura cewa ƙirar SPI baya samar da gano kuskure ko hanyoyin sarrafa karo bayanai. Dole ne a sarrafa wannan a matakin aikace-aikacen.
• Hanyar 8: Ana amfani da ƙirar SPI a cikin aikace-aikace iri-iri, kamar Memorywaƙwalwar walƙiya, na'urori masu auna firikwensin, na'urorin haɗi da ƙari. Yana da amfani musamman a cikin tsarin da aka haɗa inda ake buƙatar sadarwa mai sauri, amintacciyar sadarwa.

Tambaya&A

Tambayoyi da amsoshi game da "Fahimtar fasahar SPI?"

1. Menene SPI ke dubawa?

SPI (Serial Peripheral Interface) ƙa'idar sadarwa ce ta aiki tare.

2. Waɗanne na'urori ne ke amfani da ƙirar SPI?

Ana amfani da ƙa'idar SPI da yawa a cikin microcontrollers, na'urori masu auna firikwensin da wasu na'urorin lantarki

3. Ana buƙatar igiyoyi nawa don haɗin SPI?

Ana buƙatar igiyoyi guda huɗu don haɗin SPI: MOSI (Master Output Slave Input), MISO (Master Input Slave Output), SCK (Serial Clock) da SS (Slave Select).

4. Menene aikin kowace waya akan bas ɗin SPI?

- MOSI: Yana watsa bayanai daga maigida zuwa bawa.
– MISO: Yana isar da bayanai daga bawa zuwa ga maigida.
- SCK: Yana ba da agogon aiki tare don sadarwa.
– SS: Zaɓi bawan da kuke son yin magana da shi.

5. Menene matsakaicin iyakar saurin SPI?

Matsakaicin gudun madaidaicin SPI ya dogara da na'urar kuma yana iya kaiwa megabits da yawa a cikin daƙiƙa guda.

6. Ta yaya ake daidaita haɗin SPI akan microcontroller?

Don saita ƙirar SPI akan microcontroller, dole ne a bi matakai masu zuwa:

1. Kunna ƙirar SPI a cikin rajista mai dacewa.
2. Zaɓi yanayin aiki (maigida ko bawa).
3. Ƙayyade saurin canja wuri.
4. Saita fitilun haɗin haɗin don haɗin SPI.

7. Menene fa'idodin yin amfani da ƙirar SPI?

– Babban gudun canja wurin bayanai.
- Haɗi mai sauƙi tare da ƴan igiyoyi da ake buƙata.
- Yana ba da damar sadarwar aiki tare tsakanin na'urori.
- An yi amfani da shi sosai a duniyar lantarki da microcontrollers.

8. Menene iyakokin SPI ke dubawa?

- Ba ya goyan bayan multidirectionality, tun da watsawa koyaushe yana cikin takamaiman shugabanci.
- Yana buƙatar ƙarin layin zaɓi (SS) don kowace na'urar bawa.

9. Menene bambanci tsakanin SPI dubawa da I2C dubawa?

- Ma'anar SPI tana aiki tare, yayin da I2C ke dubawa asynchronous.
- SPI yana amfani da igiyoyi fiye da na I2C.
- I2C ke dubawa yana ba da damar sadarwa ta hanyoyi da yawa tsakanin na'urori.

10. Zan iya amfani da SPI dubawa don sadarwa arduinos da juna?

Ee, yana yiwuwa a yi amfani da haɗin SPI don sadarwa tsakanin arduinos biyu ko fiye. Kuna buƙatar saita ɗaya daga cikinsu a matsayin jagora, sauran kuma a matsayin bayi.