ST VL53L5CX Lokaci-Na-Jirgi 8 x 8 Manual mai amfani da Sensor Ranging Multizone
Jagorar haɗin gwiwar software don aiwatar da direban haske mai haske na VL53L5CX
Lokacin-Jigin 8 x 8 firikwensin jeri mai jeri tare da faffadan filin view
Gabatarwa
Manufar wannan littafin jagorar mai amfani shine don bayyana yadda ake aiwatar da tsarin dandamali da ake buƙata don amfani da direban VL53L5CX ultra Lite (ULD).
Hoto 1. VL53L5CX firikwensin firikwensin
Magana:
- Takardar bayanan VL53L5CX
- Bayanan Bayani na VL53L5CX ULD (UM2884
1 Bayanin aiki
1.1 Tsarin ya ƙareview
Tsarin VL53L5CX ya ƙunshi kayan masarufi da software na ULD (VL53L5CX ULD) da ke gudana akan mai watsa shiri (duba hoton da ke ƙasa). Tsarin kayan masarufi ya ƙunshi firikwensin Time-of Flight (ToF). ST yana ba da direban software wanda ake magana a kai a cikin wannan takaddar a matsayin "direba". Wannan daftarin aiki yana bayyana ayyukan direba waɗanda ke da damar mai watsa shiri. Waɗannan ayyuka suna sarrafa firikwensin kuma suna samun bayanan jeri.
Hoto 2. Tsarin VL53L5CX ya ƙareview
ToF tsarin firikwensin
1.1 Gine-ginen direba da abun ciki
Kunshin VL53L5CX ULD ya ƙunshi manyan fayiloli guda huɗu. Direba yana cikin babban fayil / VL53L5CX_ULD_API.
Don amfani da direba daidai, mai amfani yana buƙatar cika biyun files wanda ke cikin babban fayil "Platform".
Sun ƙunshi ayyuka don ma'amalar I2C, da nau'ikan fasalulluka da direba ke buƙata. Gine-ginen direban da aka kwatanta a cikin adadi mai zuwa.
Hoto 3. VL53L5CX gine-ginen direba
2 Bukatun ƙwaƙwalwa
1.1 Driver memory
Kamar yadda VL53L5CX shine firikwensin tushen RAM, firmware yana buƙatar lodawa kafin fara zaman jeri. Direba na aika firmware ta atomatik lokacin da aka kira aikin ƙaddamarwa.
Firmware yana amfani da babban ɓangaren direba (kimanin 86 kbytes). Tebur mai zuwa yana bayyana girman girman da mai watsa shiri ke buƙata
Tebur 1. Yawan amfani da ƙwaƙwalwar ajiya
| File | Girman (Kbytes a cikin Flash) |
| API | 92.6 |
| Plugin Xtalk | 2.4 |
| Ƙofar gano plugin | 0.4 |
| Mai gano motsi na plugin | 0.2 |
| JAMA'A | 95.6 |
Lura: Jimlar žwažwalwar ajiya na iya bambanta dangane da adadin maƙasudin kowane yanki da abin da aka kunna. Abin da aka gabatar dabi'u sun dace da tsoffin saitunan direba. Koma zuwa littafin mai amfani UM2884 don ƙarin bayani.
Lura: Matsayin ingantawa (yawancin amfani da ƙwaƙwalwar ajiya) a cikin GCC shine -0 s.
3 Aiwatar da dandamali
Ayyukan da aka bayyana a cikin wannan babin suna buƙatar aiwatar da mai amfani don amfani da direba. Ayyukan da babu komai suna cikin “platform.c” file
1.1I2C karanta/rubuta
Ma'amaloli tsakanin firikwensin VL53L5CX da mai watsa shiri ana sarrafa su ta I2C. Ana ba da pinout ɗin ƙirar ƙirar da ƙira a cikin takaddar bayanan VL53L5CX (DS13754).
Mai amfani yana buƙatar aiwatar da ayyukan I2C don karantawa da rubuta bayanan. An jera mafi ƙarancin ma'amalar I2C a cikin tebur mai zuwa.
Tebur 2. Girman ma'amala na I2C
| Saita | Girman (bytes) |
| Min I2C Karanta | 1 |
| Max I2C Karatu | 3100 |
| Min I2C Rubuta | 1 |
| Max I2C Rubuta | 32800 |
I2C bandwidth
VL53L5CX yana aikawa ko karɓar bayanai ta hanyar I2C lokacin da ɗayan waɗannan sharuɗɗan ya cika:
- Lokacin da aka fara firikwensin. An loda firmware kuma an ƙaddamar da jerin yau da kullun.
- Lokacin da mai gida ya samu ko saita yanayin wutar lantarki.
- Lokacin da aka saita firikwensin, farawa ko tsayawa
- Lokacin da aka karanta kewayon bayanai.
- Don yanayin jefa kuri'a, lokacin da mai watsa shiri ya duba idan an shirya sabbin bayanai. Dangane da saurin agogon I2C, tsarin farawa na iya ɗaukar lokaci kamar yadda ake buƙatar kusan 86 kbytes.
lodi. Wani babban amfani na I2C na iya haɗawa don babban firam ɗin, ta amfani da ƙayyadaddun jeri (duk abin da aka kunna da matsakaicin adadin maƙasudai a kowane yanki). Tebur mai zuwa yana ba da bandwidth don daidaitawa da yawa.
Tebur 3. IC2 bandwidth a lokacin jeri don yawancin saiti
| Tsarin direba | Girman fakiti (bytes) | Bandwidth (bytes/sec) |
| 1 Hz - Resolution 4×4 - 1 manufa kowane yanki
- kawai sami nisa + matsayin manufa + an gano makasudin nb |
124 |
124 |
| 1 Hz - Resolution 8×8 - 1 manufa kowane yanki
- kawai sami nisa + matsayin manufa + an gano makasudin nb |
316 |
316 |
| 60 Hz - Resolution 4 × 4 - 4 hari a kowane yanki - duk abin da aka kunna | 1008 | 63000 |
| 15 Hz - Resolution 8 × 8 - 4 hari a kowane yanki - duk abin da aka kunna | 3360 | 50909 |
Tarihin bita
Tebur 4. Tarihin bitar daftarin aiki
| Kwanan wata | Sigar | Canje-canje |
| 03-Yuni-2021 | 1 | Sakin farko |
MUHIMMAN SANARWA - KA KARANTA A HANKALI
STMicroelectronics NV da rassanta ("ST") suna da haƙƙin yin canje-canje, gyare-gyare, haɓakawa, gyare-gyare, da haɓakawa ga samfuran ST da / ko zuwa wannan takaddar a kowane lokaci ba tare da sanarwa ba. Masu siye yakamata su sami sabbin bayanai masu dacewa akan samfuran ST kafin sanya umarni. Ana siyar da samfuran ST bisa ka'idoji da ka'idodin siyarwar ST a wurin a lokacin oda oda.
Masu siye da siyarwa suna da alhakin zaɓi, zaɓi, da kuma amfani da samfuran ST kuma ST baya ɗaukar alhaki don taimakon aikace-aikace ko ƙirar samfuran Siyarwa.
Babu lasisi, bayyananne ko fayyace, ga kowane haƙƙin mallakar fasaha da ST ke bayarwa a nan
Sake siyar da samfuran ST tare da tanadi daban-daban da bayanan da aka gindaya a ciki zai ɓata kowane garantin da ST ya bayar don irin wannan samfurin.
ST da tambarin ST alamun kasuwanci ne na ST. Don ƙarin bayani game da alamun kasuwanci na ST, da fatan za a duba www.st.com/trademarks. Duk sauran samfuran ko sunayen sabis mallakin masu su ne.
Bayanin da ke cikin wannan takarda ya maye gurbin bayanan da aka kawo a baya a cikin kowane juzu'in wannan takaddar.
© 2021 STMicroelectronics – Duk haƙƙin mallaka
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ST VL53L5CX Lokacin Jirgin sama 8 x 8 Mai Rarraba Matsala Tsakanin Multizone [pdf] Manual mai amfani VL53L5CX, Lokacin-Jigi 8 x 8 Multizone Ranging Sensor |
