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=== Step 1: Get Ubuntu running on ROCK Pi 4 === ...cv.org/releases.html here]]. As of writing this, the latest release is 4.0.1. For the newer version, just replace the link for the source code zip file.

== Compile OpenCV (4.0.1)== === Step 1: Get Ubuntu running on ROCK Pi 4===

=== Paso 1: Hacer que Ubuntu funcione en el ROCK Pi 4=== ...pencv.org/releases.html aquí]]. A día de hoy, la última versión es 4.0.1. Para una nueva versión, sustituye el enlace por el nombre del fichero del

====Passo 1: Requisitos ==== 3.1 Conecte e clique no módulo eMMC no eMMC para a placa breakout do uSD, cone

Info: Overlay for activation of 1-wire on GPIO4_D6 for devices =====Example for 1-wire communication: DS18B20=====

=== 1. Vorbereiten === [[File:etcher-rock-5b-1.png]]

# 1. check the name.dtbo in /boot/overlays

# 1. comprobar el nombre.dtbo en /boot/overlays

1 SPI: PIN19 SPI'''1'''_MOSI

dd if=/dev/zero of=/dev/mmcblk1 bs=1G count=1 oflag=direct dd if=/dev/mmcblk1 of=/dev/null bs=1G count=1

dd if=/dev/zero of=/dev/mmcblk1 bs=1G count=1 oflag=direct dd if=/dev/mmcblk1 of=/dev/null bs=1G count=1

dd if=/dev/zero of=/dev/mmcblk1 bs=1G count=1 oflag=direct dd if=/dev/mmcblk1 of=/dev/null bs=1G count=1

=== 1 Unminimize the system === Mar 23 19:35:31 linux systemd[1]: Started Docker Application Container Engine.

# 1. check the name.dtbo in /boot/overlays

==1. Instalación == Mar 23 19:35:31 linux systemd[1]: Started Docker Application Container Engine.

tmpfs 88432 284 88148 1% /run tmpfs 88432 284 88148 1% /run

==== Case 1: Empty SPI flash ==== DevNo=1 Vid=0x2207,Pid=0x330c,LocationID=305 Maskrom

==== Option 1: USB access(adb) ==== Note: You can also get the IP of ROCK Pi S from option 1 or option 2 if you can not access network administrator page.

| 1 | 32KB | loader1 | First stage loader |

| 1 | 32KB | loader1 | Cargador de primera etapa |

sudo apt-get install libudev-dev libusb-1.0-0-dev dh-autoreconf ..../configure: line 4269: syntax error near unexpected token `LIBUSB1,libusb-1.0'

ROCK Pi 4 is officially supported in mainline kernel since v5.1 thanks to developer Akash Gajjar from Mentor. Below is how to build it on a ...components/toolchain/binaries/7.3-2018.05/aarch64-linux-gnu/gcc-linaro-7.3.1-2018.05-x86_64_aarch64-linux-gnu.tar.xz

* LPDDR4 for 1/2/4GB ram * Three buttons are soldered by default.(1: Maskrom 2: Reset 3: Recovery) See [[https://wiki.radxa.com/File:Rockpi4bpl

sudo apt-get install libudev-dev libusb-1.0-0-dev dh-autoreconf ..../configure: line 4269: syntax error near unexpected token `LIBUSB1,libusb-1.0'

=== 1. ROCK PI V1.4 === https://i.ibb.co/ySRFhLG/rockpi-poe-1.jpg

* LPDDR4 para 1/2/4GB de RAM

=== 1. ROCK PI V1.4 === https://i.ibb.co/ySRFhLG/rockpi-poe-1.jpg

| 1 | 32KB | loader1 | First stage loader |

! colspan="1" | ROCK Pi S ...RK3308B <br />Quad Cortex-A35 ARM 64bits processor <br /> frequency up to 1.0GHz

...u may power ROCK Pi S by putting DV +5V directly to PIN#2 of 26-PIN HEADER 1. GND pin like PIN#6 is also need. PoE connector is divided into two groups, Group 1 (PIN#1 and PIN#2) and Group2 (PIN#3 and PIN#4) .

=== Hardware V1.0/V1.1 === vms@vms-ROCK-Pi-X:~$ sudo mraa-gpio set 7 1 //pin40 pull high

...utilizar o OpenCV. Um criar manualmente o OpenCV por você mesmo (Opção 1) e o outro está instalando o pacote opencv4.0 (Opção 2). ==== Opção 1: criar manualmente ====

==1 Instalação == Mar 23 19:35:31 linux systemd[1]: Started Docker Application Container Engine.

1. By default, the ROCK Pi S uses the colorful 26PIN GPIO header PIN8 and PIN 2. The USB to TTL chip must support 1.5Mbps baud rate, some cheap USB to TTL chip can not support such high baud

1. Insert the uSD Card into uSD Card Reader, which connects to host computer. $ /bin/bash etcher-etcher-electron-1.4.5-x86_64.AppImage

...CK Pi S is 1500000(1.5Mbps), please check if your USB to TTL cable support 1.5Mbps baudrate. Some model of [https://www.silabs.com/products/interface/us ...the serial tool on macOS platform can not support custom baudrate such as 1.5Mbps due to driver restriction. If you know how to set custom baudrate on

1. Insert the uSD Card into uSD Card Reader, which connects to host computer. $ /bin/bash etcher-etcher-electron-1.4.5-x86_64.AppImage

==== 26-pin Header 1 ==== | || || || || +3.3V || style="background:yellow"| 1 || ||style="background:red"| 2 || +5.0V || || ||| ||

| 1 | 32KB | loader1 | First stage loader | | 1 | 16MB | boot | Kernel partition, bootable |

==== 26-pin Header 1 ==== | || || || +3.3V || || style="background:yellow"| 1 || ||style="background:red"| 2 || +5.0V || || ||| ||

==== Step 1 ====

* ROCK Pi E V1.1 or later Step 1: Add the following line to file '''/boot/uEnv.txt'''.

PIN3 I2C'''1'''_SCL PIN5 I2C'''1'''_SDA

=====Step 1: Modifying configuration files.===== ...35b-v2 # Waveshare 3.5inch RPI LCD Model B V2.0 on SPI2 for ROCK Pi S V1.1

== Step 1 Install ROCK Pi 4 u-boot image to SPI Flash == 4194304 bytes (4.2 MB, 4.0 MiB) copied, 0.107356 s, 39.1 MB/s

===== Step 1: Get the source code ===== ===== Method 1: Flash U-Boot to eMMC module =====

{| class="wikitable" border="1" * KINGSTON A2000 1 TB (SA2000M81000G) (not tested with SPI boot) = Silicon Motion SM2263ENG

sudo vncserver -kill :1 #Kill the vncserver process vncviewer <IP address of ROCK Pi 4>:1

[714332.981224] usb 1-2: USB disconnect, device number 4 [714332.981402] cdc_ether 1-2:1.0 enp0s20f0u2: unregister 'cdc_ether' usb-0000:00:14.0-2, CDC Ethernet Devi

1. RkUpdate Image vbmeta 155648 157695 1.000000 MB