Difference between revisions of "Template:CM4-IO-BASE Guide"

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Connect Cameras and DSI display<br>
 
Connect Cameras and DSI display<br>
 
1: Please first disconnect power off the IP Board when connecting.<br>
 
1: Please first disconnect power off the IP Board when connecting.<br>
2: Use [https://www.waveshare.com/CM-DSI-ADAPTER.htm  CM-DSI-ADAPTER ] to connect Compute Module 4 PoE Board and DSI displays<br>
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2: Connect the power adapter<br>
3: Use[https://www.waveshare.com/RPi-Zero-v1.3-Camera-Cable.htm CSI adapter cable] to connect Compute Module 4 PoE Board and CSI cameras.<br>
+
3: Wait for booting.<br>
3: Connect the power adapter<br>
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4: If the DSI display cannot work, please check if you have added /boot/dt-blob.bin and reboot.<br>
4: Wait for booting.<br>
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5: Please enable camera by raspi-config, choose Interfacing Options->Camera->Yes->Finish-Yesand reboot<br>
5: If the DSI display cannot work, please check if you have added /boot/dt-blob.bin and reboot.<br>
 
6: Please enable camera by raspi-config, choose Interfacing Options->Camera->Yes->Finish-Yesand reboot<br>
 
  
 
Reference:
 
Reference:

Revision as of 06:54, 25 April 2021

Writing Image

1、 If your Compute Module 4 (CM4 hereafter) is the LITE version, you just need to write the image to Micro SD card like Raspberry Pi boards.
2、 If your use the eMMC version, you need to connect the CM4 to PC by Micro USB cable, Download the rpiboot tools and install it as administrator
3、 Download newest Raspberry Pi OS image from Raspberry Pi Website.
Compute Module 4 IO Board 3.png
If it is equipped with eMMC, the computing module has been correctly installed on the IO board. Connect the BOOT on the IO board to the ground (GND) signal using a short-circuit plug. Use the USB Type-C cable to connect the USB Type-C interface on the IO board to the PC device. The computer will recognize a BCMxxx device. Run the rpiboot software and the PC will automatically recognize the eMMC in the computing module as a U disk
Note: After installing RPiboot_Setup, there will be a rpiboot software, each time you connect to the computer, you need to run rpiboot to enumerate the U disk
CM4-IO-BASE-B-1.png
4、 Format SD card: You need to format the MicroSD card or the eMMC by SDFormatter.exe software.
PI4-03.jpg
5、 Write image: You need to write the image to Micro SD card or the eMMC by Win32DiskImager.exe software. Select the image file and click “Write”. Please DO NOT format it after formatting.
PI4-04.jpg
6、 Booting: Insert the Micro SD card into the card slot and connect the 12V power adapter. Power indicator turn solid red and the ACT is green and blink while booting.
If you use the eMMC version, don't forget to disconnect the nRPI_BOOT J2 jumpers when powering off and reboot.
If you failed to write the eMMC, please try with the following steps:

  • User Windows PC instead of Windows 7 or Linux. It seems that Windows 7 or Linux PC is not stable for eMMC writing.
  • Check your CM4, make sure that it is the eMMC version which has one more eMMC chip compare to the LITE version..

Compute-Module-4-5.png

  • Note that you need to connect 12 power adapter to the Power port.
  • Please change a USB cable for a try and make sure that the cable is data accessible.
  • Change the USB port of the PC and try it again.
  • Try to restart your PC.
  • Re-connect the CM4 for a try.
  • Try with other PCs.

RTC FAN

To enable the I2C for Cooling fan and the RTC, you need to add the line "dtparam=i2c_vc=on" to config file
RTC is connected to i2c-10 with address 0x51(7bits)
FAN is connected to i2c-10 上 with address 0x2f(7bits)

sudo nano /boot/config.txt
#Add the following line to the end
dtparam=i2c_vc=on
#comment the line dtparam=audio=on
#dtparam=audio=on
#Save and reboot
sudo reboot

RTC test

1.Download the test demo.

Open the terminal of the Raspberry Pi, enter the following command:

sudo apt-get install p7zip-full
sudo wget https://www.waveshare.net/w/upload/4/42/PCF85063_code.7z
7z x PCF85063_code.7z -O./
cd PCF85063_code

2.Run the demo

C

Execute the following commands to compile and execute the test demo:

cd c
sudo make clean
sudo make -j 8
sudo ./main

And then you can check the running result as below:

RTC PCF85063 c test.png

Python

Enter the python/example directory:

cd python/example

And then run the python demo, the demo can support python2/3

# python2
sudo python main.py
# python3
sudo python3 main.py

The running result as below:

RTC PCF85063 python test.png

FAN test

【Note】Please connect the fan first before connecting the power to the PoE Board to complete! Please do not connect the fan to the PoE Board when the board is powered on(the fan control chip is powered on,), otherwise, the EMC2301 chip will be damaged!

Open the terminal of the Raspberry Pi, enter the following command:

sudo apt-get install p7zip-full
sudo wget https://www.waveshare.net/w/upload/5/56/EMC2301_code.7z
7z x EMC2301_code.7z -O./
cd EMC2301_code

C

Compile and execute the test demo:

cd c
sudo make clean
sudo make -j 8
sudo ./main

python

Enter the python/example directory:

cd python/example

And then run the python demo, the demo can support python2/3

# python2
sudo python main.py
# python3
sudo python3 main.py

The fan will run the variable speed test in RPM mode. Pay attention to the changes of the fan's sound. The running phenomena of the python demo are the same as the C program. The terminal will output the relevant data of the fan at the same time, as shown in the picture below:

FAN EMC2301 test.png

You can also directly control the fan speed by modifying the parameter of the demo.

CSI DSI

CSI and DSI are disabled by default. I2C-10、I2C-11、I2C-0 should be used for Camera and DSI displays.
Open a terminal and run the following commands:

 sudo apt-get install p7zip-full
 wget https://www.waveshare.com/w/upload/4/41/CM4_dt_blob.7z
 7z x CM4_dt_blob.7z -O./CM4_dt_blob
 sudo chmod 777 -R CM4_dt_blob
 cd CM4_dt_blob/
 #If you want to use both cameras and DSI0
 sudo  dtc -I dts -O dtb -o /boot/dt-blob.bin dt-blob-disp0-double_cam.dts
 #If you want to ue both cameras and DSI1
 sudo  dtc -I dts -O dtb -o /boot/dt-blob.bin dt-blob-disp1-double_cam.dts
 #HDMI1 is disabled if you use DSI interfaces for displayin. HDMI1 cannot work even thought you just built the file without connecting DSI display, please note it.
 #If you want to enable the HDMI1, please remove the dt-blob.bin file with the command: '''sudo rm -rf /boot/dt-blob.bin'''
 #Turn off IO Board and re-power the CM4

Connect Cameras and DSI display
1: Please first disconnect power off the IP Board when connecting.
2: Connect the power adapter
3: Wait for booting.
4: If the DSI display cannot work, please check if you have added /boot/dt-blob.bin and reboot.
5: Please enable camera by raspi-config, choose Interfacing Options->Camera->Yes->Finish-Yesand reboot

Reference:

Test RPi Camera:
Test video0:

sudo raspivid -t 0 -cs 0

Test video1:

sudo raspivid -t 0 -cs 1