Seeedstudio EdgeBox-RPI-200 EC25 Raspberry PI CM4 Based Edge kompyuta

Mbiri Yobwereza 

Kubwereza	Tsiku	Zosintha
1.0	17-08-2022	Adapangidwa
2.1	13-01-2022	Chidziwitso cha Kusintha Kwazinthu

Chidziwitso Chosintha Zinthu:

Monga gawo la njira yathu yopititsira patsogolo, tidapanga zosintha pansipa mu mtundu wa D.
Pali chikoka pa mapulogalamu chifukwa cha kusintha.

• CP2104->CH9102F
• USB2514B->CH334U
• CP2105->CH342F
• Kufotokozera mu Linux kwasinthidwa:
  • ttyUSB0-> ttyACM0
  • ttyUSB1-> ttyACM1
  • MCP79410->PCF8563ARZ
  • Adilesi ya RTC yatsopano ndi 0x51.

Mawu Oyamba

EdgeBox-RPI-200 ndiwokonda kwambiri Edge Computing Controller wokhala ndi Raspberry Pi Computer Module 4(CM4) pamakampani ovuta. Itha kugwiritsidwa ntchito kulumikiza maukonde akumunda ndi mapulogalamu amtambo kapena a IoT. Amapangidwa kuchokera pansi kuti akwaniritse zovuta zamapulogalamu olimba pamitengo yopikisana, yabwino kwa mabizinesi ang'onoang'ono kapena madongosolo ang'onoang'ono okhala ndi zofunikira zamagawo angapo.

Mawonekedwe

• Chassis chapamwamba kwambiri cha Aluminium cha chilengedwe chovuta
• Integrated passiv kutentha sinki
• Socket ya mini PCIe yopangidwira gawo la RF, monga 4G, WI-FI, Lora kapena Zigbee
• Mabowo a SMA antenna x2
• Chip encryption ATECC608A
• Hardware Watchdog
• RTC yokhala ndi Super Capacitor
• Isolated DI&DO terminal
• 35mm DIN Rail thandizo
• Mphamvu zambiri kuchokera ku 9 mpaka 36V DC
• Zosankha: UPS yokhala ndi SuperCap kuti mutseke bwino *
• Raspberry Pi CM4 pa WiFi 2.4 GHz, 5.0 GHz IEEE 802.11 b/g/n/ac yokhala**
• Raspberry Pi CM4 pa Bluetooth 5.0, BLE zida **

Izi zimapangitsa EdgeBox-RPI-200 kuti akhazikike mosavuta komanso kuti atumize mwachangu ntchito zamafakitale, monga kuyang'anira mawonekedwe, kasamalidwe ka malo, zikwangwani zama digito ndi kuwongolera kutali kwazinthu zapagulu. Kuphatikiza apo, ndi njira yolowera pachipata yokhala ndi ma cores 4 ARM Cortex A72 ndipo ma protocol ambiri amakampani amatha kupulumutsa pamitengo yonse yotumizira kuphatikiza mtengo wamagetsi wamagetsi ndikuthandizira kuchepetsa nthawi yotumizira. Kapangidwe kake kopepuka kwambiri komanso kophatikizika ndi yankho lazogwiritsa ntchito m'malo ochepetsera danga zimatsimikizira kuti zitha kugwira ntchito modalirika m'malo osiyanasiyana owopsa kuphatikiza ntchito zamagalimoto.

ZINDIKIRANI: Pa ntchito ya UPS chonde titumizireni kuti mumve zambiri. Zinthu za WiFi ndi BLE zitha kupezeka mumitundu ya 2GB ndi 4GB.

Zolumikizirana

1. Multi-Func phoenix cholumikizira
2. Ethernet cholumikizira
3. USB 2.0 x 2
4. HDMI
5. Zamgululi
6. Zamgululi
7. Chithunzi cha SMA1
8. Console (USB mtundu C)
9. SIM khadi kagawo
10. Chithunzi cha SMA2

Multi-Func phoenix cholumikizira

Zindikirani	Dzina la Func	PIN #	PIN#	Dzina la Func	Zindikirani
	MPHAMVU	1	2	GND
	RS485_A	3	4	Mtengo wa RS232_RX
	RS485_B	5	6	RS232_TX
	Mtengo wa RS485_GND	7	8	Mtengo wa RS232_GND
	DI0-	9	10	DO0_0
	DI0+	11	12	DO0_1
	DI1-	13	14	DO1_0
	DI1+	15	16	DO1_1

ZINDIKIRANI: Chingwe cha 24awg mpaka 16awg chimaperekedwa

Chithunzithunzi Choyimira

Pakatikati pa EdgeBox-RPI-200 ndi Raspberry CM4 board. Bokosi lokhazikika limagwiritsa ntchito zinthu zinazake. Onani chithunzi chotsatira chazithunzi za block.

Kuyika

Kukwera

EdgeBox-RPI-200 idapangidwa kuti ikhale yokwera pamakoma awiri, komanso imodzi yokhala ndi 35mm DIN-njanji. Onani chithunzi chotsatira cha kokwezera kovomerezeka.

Zolumikizira ndi Zolumikizira

Magetsi

Pin #	Chizindikiro	Kufotokozera
1	POWER_IN	DC 9-36V
2	GND	Pansi (Zowonjezera)

Chizindikiro cha PE ndichosankha. Ngati palibe EMI yomwe ilipo, kulumikizana kwa PE kumatha kusiya kutseguka.

Seri Port (RS232 ndi RS485)

Pin #	Chizindikiro	Kufotokozera
4	Mtengo wa RS232_RX	RS232 kulandira mzere
6	RS232_TX	RS232 njira yotumizira
8	GND	Pansi (Zowonjezera)

Pin #	Chizindikiro	Kufotokozera
3	RS485_A	RS485 kusiyana mzere mkulu
5	RS485_B	RS485 kusiyana mzere otsika
7	Mtengo wa RS485_GND	RS485 Ground (yolekanitsidwa ndi GND)

Pin #	Chizindikiro cha terminal	PIN Mulingo wa yogwira	PIN ya GPIO kuchokera ku BCM2711	ZINDIKIRANI
09	DI0-	PAMENEPO	Chithunzi cha GPIO17
11	DI0+
13	DI1-	PAMENEPO	Chithunzi cha GPIO27
15	DI1+
10	DO0_0	PAMENEPO	Chithunzi cha GPIO23
12	DO0_1
14	DO1_0	PAMENEPO	Chithunzi cha GPIO24
16	DO1_1

ZINDIKIRANI:

ZINDIKIRANI: 

1. DC voltage polowetsa ndi 24V (+- 10%).
2. DC voltage pakupanga kuyenera kukhala pansi pa 60V, mphamvu yapano ndi 500ma.
3. Channel 0 ndi 1 njira yolowera ndi yodzipatula kwa wina ndi mzake
4. Channel 0 ndi njira 1 zotulutsa zimasiyanitsidwa wina ndi mzake

HDMI

Zolumikizidwa mwachindunji ndi board ya Raspberry PI CM4 yokhala ndi gulu la TVS.

Efaneti

Mawonekedwe a Efaneti ndi ofanana ndi Rasipiberi PI CM4,10/100/1000-BaseT yothandizidwa, yopezeka kudzera pa jack modular jack. Chingwe chopotoka kapena chingwe chopindika chotchingidwa chingagwiritsidwe ntchito kulumikiza kudokoli.

USB HOST

Pali zolumikizira ziwiri za USB pagawo lolumikizira. Madoko awiriwa amagawana fuseti yamagetsi yofanana.

ZINDIKIRANI: Kuchuluka kwaposachedwa pamadoko onsewa kumangokhala 1000ma.

Console (USB mtundu-C)

Mapangidwe a console adagwiritsa ntchito chosinthira cha USB-UART, ma OS ambiri apakompyuta amakhala ndi dalaivala, ngati sichoncho, ulalo womwe uli pansipa ungakhale wothandiza: Doko ili limagwiritsidwa ntchito ngati kusakhazikika kwa Linux. Mutha kulowa mu OS kugwiritsa ntchito makonda a 115200,8n1 (Bits: 8, Parity: None, Stop Bits: 1, Flow Control: Palibe). Pulogalamu yomaliza monga putty ikufunikanso. Dzina losasinthika ndi pi ndipo mawu achinsinsi ndi rasipiberi.

LED

EdgeBox-RPI-200 imagwiritsa ntchito ma LED awiri obiriwira / ofiira ngati zizindikiro zakunja.

LED1: wobiriwira ngati chizindikiro cha mphamvu komanso chofiira ngati eMMC yogwira ntchito.

LED2: wobiriwira ngati chizindikiro cha 4G komanso chofiira ngati chowongolera ogwiritsa ntchito cholumikizidwa ndi GPIO21, chochepa chogwira ntchito, chokhazikika.

EdgeBox-RPI-200 imagwiritsanso ntchito mitundu iwiri yobiriwira ya LED pochotsa zolakwika.

SMA cholumikizira

Pali mabowo awiri a SMA Connector a tinyanga. Mitundu ya antenna imadalira kwambiri ma module omwe ali mu socket ya Mini-PCIe. ANT1 ndiyosakhazikika yomwe imagwiritsidwa ntchito pa Mini-PCIe socket ndipo ANT2 ndi ya Internal WI-FI siginecha kuchokera ku CM4 module.

ZINDIKIRANI: Ntchito za tinyanga sizikhazikika, mwina zimasinthidwa kuti zigwire ntchito zina.

Slot ya SIM khadi ya NANO (Mwasankha)

SIM khadi imangofunika pama foni (4G, LTE kapena ena kutengera ukadaulo wama foni).

ZINDIKIRANI: 

1. Khadi ya NANO Sim yokha ndiyomwe imavomerezedwa, samalani ndi kukula kwa khadi.
2. SIM khadi ya NANO imayikidwa ndi chip side top.

Mini PCIe

Dera la lalanje ndiye malo owonjezera a khadi la Mini-PCIe, screw imodzi yokha ya m2x5 ndiyofunikira.

Gome ili m'munsili likuwonetsa zizindikiro zonse. Khadi lathunthu la Mini-PCIe limathandizidwa.

Pinout: 

Chizindikiro	PIN#	PIN#	Chizindikiro
	1	2	4G_PWR
	3	4	GND
	5	6	USIM_PWR
	7	8	USIM_PWR
GND	9	10	USIM_DATA
	11	12	USIM_CLK
	13	14	USIM_RESET#
GND	15	16
	17	18	GND
	19	20
GND	21	22	PERST#
	23	24	4G_PWR
	25	26	GND
GND	27	28
GND	29	30	UART_PCIE_TX
	31	32	UART_PCIE_RX
	33	34	GND
GND	35	36	USB_DM
GND	37	38	USB_DP
4G_PWR	39	40	GND
4G_PWR	41	42	4G_LED
GND	43	44	USIM_DET
SPI1_SCK	45	46
SPI1_MISO	47	48
SPI1_MOSI	49	50	GND
SPI1_SS	51	52	4G_PWR

ZINDIKIRANI: 

1. Zizindikiro zonse zopanda kanthu ndi NC (osalumikizana).
2. 4G_PWR ndiye mphamvu yapayokha pa Mini-PCIe khadi. Itha kutsekedwa kapena kuyatsidwa ndi GPIO6 ya CM4, chizindikiro chowongolera chimakhala chogwira ntchito kwambiri.
3. Chizindikiro cha 4G_LED chilumikizidwa ndi LED2 mkati, tchulani gawo la 2.2.8.
4. Zizindikiro za SPI1 zimagwiritsidwa ntchito pa khadi la LoraWAN, monga WM1302.

M.2

EdgeBox-RPI-200 ili ndi socket ya M.2 ya mtundu wa M KEY. KHADI ya 2242 yokha ya NVME SSD ndiyo yothandizira, OSATI mSATA.

Madalaivala ndi Ma Interfaces Programming

LED

The ndi LED yogwiritsidwa ntchito ngati chizindikiro cha ogwiritsa ntchito, tchulani 2.2.8. Gwiritsani ntchito LED2 ngati example kuyesa ntchito.

• $ sudo -i # yambitsani mwayi wa akaunti ya mizu
• $ cd /sys/class/gpio
• $ echo 21 > kutumiza #GPIO21 yomwe ndi yogwiritsa ntchito LED2
• $ cd gpio21
• $ echo out > njira
• $ echo 0 > mtengo # yatsani wogwiritsa ntchito LED, LOW yogwira
  OR
• $ echo 1> mtengo # zimitsani wogwiritsa ntchito LED

Seri Port (RS232 ndi RS485)

Pali ma doko awiri pawokha pagulu. The / dev/ ttyACM1 ngati doko la RS232 ndi / dev/ ttyACM0 ngati doko la RS485. Gwiritsani ntchito RS232 ngati chitsanzoample.

$ python
>>> import serial
>>> ser=serial.Serial('/dev/ttyACM1',115200,timeout=1) >>> ser.isOpen()
zoona
>>> ser.isOpen()
>>> ser.write('1234567890')

10

Ma Cellular pa Mini-PCIe (Mwasankha)

Gwiritsani ntchito Quectel EC20 ngati wakaleample ndipo tsatirani izi:

1. Ikani EC20 mu Mini-PCIe socket ndi yaying'ono SIM khadi mu kagawo kogwirizana, kulumikiza mlongoti.
2. Lowani mudongosolo kudzera pa console gwiritsani ntchito pi/rasipiberi.
3. Yatsani mphamvu ya Mini-PCIe socket ndikutulutsa chizindikiro chokhazikitsanso.

 

• $ sudo -i # yambitsani mwayi wa akaunti ya mizu
• $ cd /sys/class/gpio
• $ echo 6 > kutumiza #GPIO6 yomwe ndi chizindikiro cha POW_ON
• $ echo 5 > kutumiza #GPIO5 yomwe ili chizindikiro chokhazikitsanso
• $ cd gpio6
• $ echo out > njira
• $ echo 1 > mtengo # yatsani mphamvu ya Mini PCIe
  NDI
• $ cd gpio5
• $ echo out > njira
• $ echo 1 > mtengo # tulutsani chizindikiro chokhazikitsanso Mini PCIe

ZINDIKIRANI: Ndiye LED ya 4G ikuyamba kuwunikira.

Yang'anani chipangizo:

$ lsusb

Basi 001 Chipangizo 005: ID 2c7c:0125 Quectel Wireless Solutions Co., Ltd. EC25 LTE modemu

$dmesg

[185.421911] usb 1-1.3: chipangizo chatsopano cha USB chothamanga kwambiri 5 pogwiritsa ntchito dwc_otg
[ 185.561937] usb 1-1.3: Chipangizo chatsopano cha USB chapezeka, idVendor=2c7c, idProduct=0125, bcdDevice= 3.18
Dongosolo la [185.561953] 1-1.3: Zingwe zamakono zatsopano za USB: Mfr = 1, Product = 2, SerialNumber = 0
[185.561963] usb 1-1.3: Product: Android
[185.561972] usb 1-1.3: Wopanga: Android
[ 185.651402] usbcore: mawonekedwe atsopano oyendetsa cdc_wdm
[185.665545] usbcore: olembetsa mawonekedwe atsopano oyendetsa njira
[185.665593] usbserial: Thandizo la seri la USB lolembetsedwa ku modemu ya GSM (1-doko)
[185.665973] kusankha 1-1.3:1.0: GSM modemu (1-port) converter wapezeka
[185.666283] usb 1-1.3: GSM modem (1-port) converter tsopano yolumikizidwa ku ttyUSB2 [185.666499] njira 1-1.3:1.1: GSM modemu (1-port) converter yapezeka
[185.666701] usb 1-1.3: GSM modem (1-port) converter tsopano yolumikizidwa ku ttyUSB3 [185.666880] njira 1-1.3:1.2: GSM modemu (1-port) converter yapezeka
[185.667048] usb 1-1.3: GSM modem (1-port) converter tsopano yolumikizidwa ku ttyUSB4 [185.667220] njira 1-1.3:1.3: GSM modemu (1-port) converter yapezeka
[185.667384] usb 1-1.3: GSM modemu (1-port) converter tsopano yolumikizidwa ku ttyUSB5 [185.667810] qmi_wwan 1-1.3:1.4: cdc-wdm0: USB WDM chipangizo
[185.669160]qmi_wwan 1-1.3:1.4 wwan0: lembani 'qmi_wwan' pa usb-3f980000.usb-1.3, WWAN/QMI chipangizo,xx:xx:xx:xx:xx:xx
ZINDIKIRANI: xx:xx:xx:xx:xx: xx ndi adilesi ya MAC

$ ifconfig -a
…… wwan0: mbendera=4163 mtu 1500
inet 169.254.69.13 netmask 255.255.0.0 kuwulutsa 169.254.255.255 inet6 fe80::8bc:5a1a:204a:1a4b prefixlen 64 scopeid 0x20<ankele:0uele:6:41que:60que: 42que:1000que:XNUMXque: XNUMX (Ethernet)
RX mapaketi 0 mabayiti 0 (0.0 B)
Zolakwa za RX 0 zidagwetsa 0 overruns 0 chimango 0
TX mapaketi 165 mabayiti 11660 (11.3KiB)
Zolakwa za TX 0 zidagwetsa 0 kupitilira 0 zonyamula 0 kugundana 0

Momwe mungagwiritsire ntchito AT command

$ miniterm - Madoko omwe alipo:

• 1: /dev/ttyACM0 'USB Dual_Serial'
• 2: /dev/ttyACM1 'USB Dual_Serial'
• 3: /dev/ttyAMA0 'ttyAMA0'
• 4: /dev/ttyUSB0 'Android'
• 5: /dev/ttyUSB1 'Android'
• 6: /dev/ttyUSB2 'Android'
• 7: /dev/ttyUSB3 'Android'

Lowetsani index index kapena dzina lonse:

$ miniterm /dev/ttyUSB5 115200

Malamulo ena othandiza a AT:

• AT // ayenera kubwerera Chabwino
• AT + QINISTAT // bwezerani mawonekedwe a (U) SIM khadi, yankho liyenera kukhala 7
• AT + QCCID // imabwezera nambala ya ICCID (Integrated Circuit Card Identifier) ​​ya (U) SIM khadi

Momwe mungayimbire

• $su mizu
• $ cd /usr/app/linux-ppp-scripts
• $./quectel-ppd.sh

Ndiye 4G led ikuwala. Ngati bwino, kubwerera motere

Onjezani njira ya rauta

• $ njira onjezani gw 10.64.64.64 kapena chipata chanu XX.XX.XX.XX

Kenako yesani ndi ping:

• $ ping google.com

Mtengo WDT
Chithunzi cha WDT

Module ya WDT ili ndi ma terminals atatu, zolowetsa, zotulutsa ndi chizindikiro cha LED.

ZINDIKIRANI: LED ndiyosasankha ndipo sipezeka mu mtundu wakale wa Hardware.

Momwe zimagwirira ntchito

1. MPHAMVU YAdongosolo IYALI.
2. Kuchedwa 200ms.
3. Tumizani WDO kugunda koyipa ndi 200ms low level kuti mukonzenso dongosolo.
4. Sinthani WDO.
5. Kuchedwetsa 120 masekondi pamene chizindikiro kung'anima (wamba 1hz).
6. Zimitsani chizindikiro.
7. Yembekezerani ma pulses 8 pa WDI kuti agwire gawo la WDT ndikuyatsa LED.
8. Lowani mu WDT-FEED mode, kugunda kamodzi kumayenera kudyetsedwa mu WDI pafupifupi masekondi awiri aliwonse, ngati sichoncho, gawo la WDT liyenera kutulutsa kugunda koyipa kuti muyambitsenso dongosolo.
9. Pitani 2.

Mtengo wa RTC

Zambiri za RTC Chip

Kukonzanso Kwatsopano: Chip cha RTC ndi PCF8563 kuchokera ku NXP. Imayikidwa pa basi ya I2C, adilesi ya i2c iyenera kukhala 0x51.

OS palokha ili ndi dalaivala mkati, timangofunikira zosintha zina.

Yambitsani RTC

• Kuti muyambitse RTC muyenera:
  • $sudo nano /boot/config.txt
• Kenaka yikani mzere wotsatira pansi pa /boot/config.txt
  • dtoverlay=i2c-rtc,pcf8563
• Ndiye kuyambiransoko dongosolo
  • $sudo kuyambiransoko
• Kenako gwiritsani ntchito lamulo ili kuti muwone ngati RTC yayatsidwa:
  • $ sudo hwclock -rv
• Chotuluka chiyenera kukhala:

ZINDIKIRANI: 

1. onetsetsani kuti malo oyendetsa i2c-1 ndi otseguka, ndipo mfundoyo yatsekedwa yosasinthika.
2. nthawi yoyerekeza yosunga zobwezeretsera ya RTC ndi masiku 15.

Kusintha kwazinthu ZINDIKIRANI:

Kubwereza Kwakale: Chip cha RTC ndi MCP79410 kuchokera ku microchip. Imayikidwa pa basi ya I2C. Adilesi ya i2c ya chip iyi iyenera kukhala 0x6f. Kuti mutsegule muyenera:

Tsegulani /etc/rc.local NDIPO onjezerani mizere iwiri:

echo "mcp7941x 0x6f"> /sys/class/i2c-adapter/i2c-1/new_device hwclock -s

Kenako yambitsaninso dongosolo ndipo RTC ikugwira ntchito

UPS yotseka motetezeka (Mwasankha)

Chithunzi cha module ya UPS chalembedwa pansipa.

UPS module imayikidwa pakati pa DC5V ndi CM4, GPIO imagwiritsidwa ntchito kuopseza CPU pamene magetsi a 5V ali pansi. Ndiye CPU iyenera kuchita china chake mwachangu mu script isanathe mphamvu ya super capacitor ndikuyendetsa "$ shutdown" Njira ina yogwiritsira ntchito ntchitoyi ndi Yambitsani kutseka pamene pini ya GPIO ikusintha. Pini ya GPIO yopatsidwayo imakonzedwa ngati kiyi yolowetsa yomwe imapanga KEY_POWER zochitika. Chochitikachi chimayendetsedwa ndi systemd-logind poyambitsa kutseka. Mabaibulo a Systemd akale kuposa 225 amafunikira lamulo la udev lothandizira kumvetsera chipangizo cholowetsa: Gwiritsani ntchito /boot/overlays/README monga zofotokozera, kenako sinthani /boot/config.txt. dtoverlay=gpio-shutdown, gpio_pin=GPIO22,active_low=1

ZINDIKIRANI: 

1. Pa ntchito ya UPS chonde titumizireni kuti mumve zambiri.
2. Chizindikiro cha alamu chikugwira ntchito LOW.

Mafotokozedwe amagetsi

Kugwiritsa ntchito mphamvu

Kugwiritsa ntchito mphamvu kwa EdgeBox-RPI-200 kumadalira kwambiri kugwiritsa ntchito, momwe amagwirira ntchito ndi zida zotumphukira zolumikizidwa. Miyezo yomwe yaperekedwayo iyenera kuwonedwa ngati yoyerekeza. Gome lotsatirali likuwonetsa magawo ogwiritsira ntchito mphamvu a EdgeBox-RPI-200:

Zindikirani: Pamalo amagetsi 24V, palibe khadi yowonjezera m'mabokosi ndipo mulibe zida za USB.

Njira yogwirira ntchito	Panopa (ma)	Mphamvu	Ndemanga
Wopanda ntchito	81
Kupsinjika maganizo	172		kupsinjika -c 4 -t 10m -v &

UPS (Mwasankha)

Nthawi yosungiramo gawo la UPS imadalira kwambiri kuchuluka kwa dongosolo. Zina mwazochitika zalembedwa pansipa. Gawo loyesa la CM4 ndi 4GB LPDDR4,32GB eMMC yokhala ndi gawo la Wi-Fi.

Njira yogwirira ntchito	Nthawi(yachiwiri)	Ndemanga
Wopanda ntchito	55
Kuchuluka kwa CPU	18	kupsinjika -c 4 -t 10m -v &

Zojambula Zamakina

• WWW.SEEDSTUDIO.COM

Zolemba / Zothandizira

Seeedstudio EdgeBox-RPI-200 EC25 Raspberry PI CM4 Based Edge kompyuta [pdf] Buku Logwiritsa Ntchito EdgeBox-RPI-200 EC25 Raspberry PI CM4 Based Edge kompyuta, EdgeBox-RPI-200, EC25 Raspberry PI CM4 Based Edge kompyuta, Raspberry PI CM4 Based Edge kompyuta, CM4 Based Edge kompyuta, Based Edge kompyuta

Maumboni

• Buku Logwiritsa Ntchito