Linuxcnc raspberry pi 5 gpio. It doesn't boot, instead showing the following error:.
Linuxcnc raspberry pi 5 gpio 1 series. I am proposing to use the following pins: net Xdir => hal_pi_gpio. Raspberry Pi Engineer & Forum Moderator Posts: 6513 Joined: Fri Jul 29, (from gpio transition, through Linux kernel, to userland process notification) in the pi@raspberrypi:~ $ halrun -I halcmd: loadrt hal_gpio inputs=GPIO6,GPIO12,GPIO13,GPIO16,GPIO17,GPIO18,GPIO19 \ halcmd+: outputs=GPIO20,GPIO21,GPIO22,GPIO23,GPIO24,GPIO25,GPIO26,GPIO27 \ halcmd+: invert=GPIO20,GPIO27 \ halcmd+: reset=GPIO21,GPIO22 Note: Using POSIX realtime halcmd: show pin Component Pins: Owner Type Dir Value Name 4 bit OUT FALSE hal_gpio. To select input, output or alternate function, each gpio pin need 3 bits then one 32 bits register will set information for 10 gpio pins. Hardware interfacing on Pi's has more options than just bCNC'S grbl. I'd love to design a board that is can accept a Compute Module 4 (and release it as open hardware of course). pin-19-out actually corresponds to pin # 10 on the GPIO header (of a Pi 4). make-pulses. Changed to hal_pi_gpio. Hello I'm using RPI4 with 7i92 for the moment but I want to add one encoder for feed override using the RPI GPIO driver. Jul 26, 2023 · If you're looking to enhance and simplify your DIY CNC setup with LinuxCNC, Raspberry Pi 4 is your friend. pin-05-in. I am not sure if the pi is supported in their repos for Debian 12 at all Also I doubt that a linuxcnc-ethercat driver is built for the pi either Right now your option is to build from source net zdir stepgen. service Place files in /etc/systemd/system/ Do in Terminal sudo systemctl enable setmempermissions. The scenario is as follows. pin-12-out I am trying to scope the pins with my oscilloscope and i am seeing no action. Aug 17, 2019 · Between the bootloader (preferably u-boot) and the preempt_rt kernel config one will want to turn off all power management, speed stepping, core clock governor etc etc so that the cpu cores stay at a constant clock rate and no clocks stop or slow down for power management for the memory, cpu cores, internal bus between the memory, cpu cores and the IO used for real time, etc etc. Sample Pi4 HAL Config: LinuxCNC Hal file for Raspberry Pi 4; Sample Pi5 HAL Config: LinuxCNC Hal file for Raspberry Pi 5; Example Config Folder for my router: Example Config Folder; The 3D printable stand: Pi Parallel Hat and Sep 28, 2023 · However, on the flip side, Memory usage by linuxcnc is well under 4 Gb. read base-thread # write outputs last #addf parport. pin-03-in and hal_pi_gpio. MCP20_B0-out 4 bit IN FALSE hal_gpio. Unless you are going to use Ethernet or prepared to wait for the hm2_rspi driver to get rewritten I wouldn't grab one right away. GPIO12-in 4 bit OUT FALSE hal_gpio Nov 20, 2023 · 您为 Raspberry Pi 定义的 GPIO 引脚输出 1，所有使用的引脚均为 0，将自动计算。 我已经安装了 2. I write this to bounce some ideas off another linuxcnc user who has looked at hal_pi_gpio to control steppers. Aug 12, 2023 · While LinuxCNC is primarily designed to run on x86-based systems, there have been efforts to port it to the ARM architecture, which includes the Raspberry Pi. 84-rt54-v8+ #1 SMP PREEMPT_RT Fri Dec 23 20:39:48 CET 2022 aarch64 GNU/Linux Nov 18, 2011 · BIG FAT WARNING The script will download and install a whole bunch of stuff that most will have no need of or want on a basic Raspberry Pi. This script will download some 1. dir => hal_pi_gpio. 84-v8+ #1613 SMP PREEMPT aarch64 GNU-Linux This driver allows the use of the Rapberry Pi GPIO pins in a way analagous to the parallel port driver on x86 PCs. In - Page 4 Comparison between Raspian 12 Bookworm on Raspberry Pi 4 and Raspberry Pi 5 - Page 4 - LinuxCNC Note: In the calculation of the individual pin’s mask value its GPIO numbers are used, the value being derived as 2^(GPIO number - 2), whereas in the naming of the HAL pins it is the Raspberry Pi header pin numbers. my goal is to evaluate this against my current mach3 system and see how they compare Thanks to you I was able to use LinuxCNC raspberry 2 using hal_gpio with debian MachineKit machinekit. Oct 29, 2019 · oh, sorry, please use "hal_pi_gpio" and you'll need linuxcnc 2. Dec 7, 2020 · I found out just yesterday that the Raspberry Pi can run LinuxCNC, and furthermore, it looks like it's capable of running a CNC directly with its GPIO pins. read - Add this to the base thread to update the HAL pin values to match the physical input values. GPIO12-in 4 bit OUT FALSE hal_gpio Dec 7, 2020 · I found out just yesterday that the Raspberry Pi can run LinuxCNC, and furthermore, it looks like it's capable of running a CNC directly with its GPIO pins. - Raspberry Pi 4 running direct using hal_pi_gpio - 5 micron glass scales are mounted. Mar 7, 2020 · Note that the pin mask section refers to the Broadcom GPIO numbers, whereas hal_pi_gpio. Getting the SPI to work is a bit tricky as the documentation is sorely lacking. When I first started it there were a message that the CPU is not supported but it started anyway and everything seemed to work (exept wi-fi) until I should shutdown the RPi400. Unfortunately, the Raspberry Pi 5 RP1 driver does not fully support SPI at this time. Does anyone have a working model hal file for the raspberry pi5 and could share it with me? Nov 13, 2023 · pi@raspberrypi4:~ $ halrun -I halcmd: loadrt hal_gpio inputs=GPIO6,GPIO12,GPIO13,GPIO16,GPIO17,GPIO18,GPIO19 \ halcmd+: outputs=GPIO20,GPIO21,GPIO22,GPIO23,GPIO24,GPIO25,GPIO26,GPIO27 \ halcmd+: invert=GPIO20,GPIO27 \ halcmd+: reset=GPIO21,GPIO22 Note: Using POSIX realtime halcmd: show pin Component Pins: Owner Type Dir Value Name 4 bit OUT FALSE hal_gpio. 9. But there is a basic sample config None of those are “bleeding edge” if you look at the progression of the mainline kernel, which is well past the 6. GPIO12-in 4 bit OUT FALSE hal_gpio Sep 6, 2023 · I am trying to install Debian12 and LinuxCNC on a Raspberry Pi 4B. This can be gleaned from the following snippet in the aforementioned . So, I did a fresh install Dec 2, 2022 · To try to meet those who want to use LinuxCNC a Raspberry Pi 4 via GPIO only I can describe my approach, starting from which many variants can be studied. Not a good analogy - the Mesa 'base thread' is on the FPGA so that path doesnt need a host-side base thread. write base-thread -1 Jan 12, 2023 · Since, unlike the parallel port, it is possible to define the input and output pins, I chose to define the available odd pins (on the left) as input and use the even available ones (on the right), excluding pin 3 for safety and 5 (GPIO 2 SDA and GPIO 3 SCL) In this case, via the rpi-gpio utility available here: Raspberry Pi 400 and 500 Raspberry Pi Pico General SDK MicroPython Other RP2040 boards AI Accelerator AI Camera - IMX500 Hailo; Software Raspberry Pi OS Raspberry Pi Connect Raspberry Pi Desktop for PC and Mac Other Android Debian FreeBSD Gentoo Linux Kernel NetBSD openSUSE Plan 9 Puppy Arch May 13, 2023 · Machine: Type: ARM Device System: Raspberry Pi 4 Model B Rev 1. MCP20_A0-in 4 bit OUT FALSE hal_gpio. 8, the gpio driver for rpi is included in linuxcnc since some months now. sh' It should run on all rpi a+ and b+ no problems, you can connect your stepper drivers to the appropriate gpio pins and an arduino to the i2c pins if you want more I/O. 3volt. $60 plus shipping. How to configure the hal file to access gpio in version 5. MCP20_A0-in-not 4 bit OUT FALSE hal_gpio. +,x} that makes pin 3 an ouput with initial value 0 and is resetable and make pin 5 and output with initial value 1 and not resetable. 15. c to allow it to work. pin-15-out net Xstep => hal_pi_gpio. 9 branch so that is what we build now as that will be released in the very short term. Just make sury you do this in git, so you have history. 3V only so any BOB used The board was a Raspberry Pi 4 with 4 Gb Oct 10, 2024 · I can't imagine you are the first, or only, person to try LinuxCNC on a Pi 5, but if you are, congratulations! You are blazing a trail to new functionality! Get some others on board with you, figure out the problems, and come up with solutions. Nov 9, 2022 · # To overcome permissions for memory usage for gpio driver download the following archive linuxcnc-mem-services. 0. 1" isn't numeric in sprintf at /usr/bin/inxi line 6969. May 14, 2024 · Hi No I have not make any progress but i conekt a home switch to my Gpio pin for spindle index and when i click manualy on the switch the reading moved a bit , when I click fast i reach 60 rpm o the display so I think the problem is in the filter for the signal , i have to optical sensor and there are signal from both index and fase a, so my problem is to find the value for this part and if Aug 12, 2023 · While LinuxCNC is primarily designed to run on x86-based systems, there have been efforts to port it to the ARM architecture, which includes the Raspberry Pi. Seems like everything works, getting some weird end stop errors, but from this point everything is manageable. This is what I added to my hal file but I don't get reading on Hal Meter hal_pi_gpio. servicesudo sudo systemctl enable The current 2. For convenience and in view of future expansions, rather than a classic breadboard where to connect the stepper motor drivers and other devices (limit switches, spindle relay and coolant) I Jan 18, 2024 · I am install linuxcnc 2. Read on to learn more! Aug 25, 2024 · This video shows the quickest way to get a CNC router up and running using the Parallel Hat and 5 axis breakout board on a Raspberry Pi. I'll be using nema 23 and 17 motors connected to TB6600 motor drivers as well as limit switches and other components down the line. After `apt-get install linuxcnc-uspace linux-image-rt-arm64` and a little bit of tweaking, I'm now getting latencies around 150 µs, which loadrt hal_pi_gpio pi_pins=\ {3,>,0,Y}{5,>,1,N){11,<. 3 but we no longer install Ethercat repositories for the Raspberry pi. pin. 2G* of packages and then consume another 2. My thought is this. loadrt hal_pi_gpio pi_pins=\ {3,>,0,Y}{5,>,1,N){11,<. CPU: Topology: Quad Core model: ARMv7 v7l variant: cortex-a72 bits: 32 type: MCP arch: v7l Replied by metachris on topic EMC2 running on Raspberry Pi? I see that working, if a few percent fluctuation on the pulse-widths do not matter (eg. 3V, 5V, and Output Enable; Standoffs are included; Downloads. I have a new rpi4 ( revision c03112 ) and have edited hal_pi_gpio. Ah, OK. Oct 23, 2023 · We want to build a CNC machine for testing stuff. Sep 28, 2023 · However, on the flip side, Memory usage by linuxcnc is well under 4 Gb. read base-thread 1 # Je fais la même chose pour les GPIO addf hal_pi_gpio. EDIT: In fact it has just arrived! Unfortunately left clicking on the link gets a site about sound proofing and right clicking and saving gets something that is very small and isn't a valid tar ball. Aug 22, 2024 · The board is intended to be used as a 5 axis step/dir platform with 6 extra outputs and 10 inputs. Feb 26, 2020 · There are some threads about the Raspberry Pi 4 and Mesa cards, but is it also possible to use the GPIO's of the RPI4 for STEP and DIR? Regarding to the minimum system requirements it should work with the new Raspberry Pi 4, but is it a good idea, or is it recommendable to use a normal PC? Feb 17, 2023 · I was tinkering trying to reduce latency on a pi3b and found what looks like a similar issue with isolcpus Raspberry pi 3b I'm running Linux raspberry pi 5. /a. 9 preRT with kernel uname -a Linux linuxcnc29 5. You are a savior . Hi Farnells tell me my R Pi is en route, so I am interested in your download too. Thus: the bit mask masks gpio pin 2 as output Oct 24, 2018 · I know LinuxCNC on Pi's have the gpiod daemon so that probably means GPIO pins for step/dir/en etc. May 14, 2024 · Hi No I have not make any progress but i conekt a home switch to my Gpio pin for spindle index and when i click manualy on the switch the reading moved a bit , when I click fast i reach 60 rpm o the display so I think the problem is in the filter for the signal , i have to optical sensor and there are signal from both index and fase a, so my problem is to find the value for this part and if This driver allows the use of the Rapberry Pi GPIO pins in a way analagous to the parallel port driver on x86 PCs. If the code compiles without errors connect the DSO to pins 22,23,24 of the P1 gpio port on the rpi, then type 'sudo . pin-16-out net Ydir => hal_pi_gpio. Using the following download: * LinuxCNC 2. As soon as the torch lights up PICnc is reset (have to close Axis to turn off the torch too) and it looks like everything is triggered, joint follow errors and so on. service setgpiomempermissions. c can be used to determine what physical pins correspond to their HAL symbols. Aug 14, 2024 · I am working to configure a Raspberry pi 4B to run LinuxCNC for a two-axis machine I'm building. The Pi GPIO driver taks a bit of figuring out and there doesn't seem to be any proper docs. Taking advantage of the end-of-year You'll have to modify the defines in HAL/picnc_grbl. Everything seems to work fine on a Raspberry Pi 4B, including wifi, GUI, and the serial console. reset - Only exported if there are pins defined in the reset list. Raspberry Pi will run linuxcnc but there are many problems still to overcome, I think maybe raspberry pi could be better in some respects than the beagleboneblack, but still too early to tell for certain. Jan 18, 2024 · Thanks for reply sir please tell now what is solution of this problem May 14, 2024 · Hi No I have not make any progress but i conekt a home switch to my Gpio pin for spindle index and when i click manualy on the switch the reading moved a bit , when I click fast i reach 60 rpm o the display so I think the problem is in the filter for the signal , i have to optical sensor and there are signal from both index and fase a, so my problem is to find the value for this part and if 5 days ago · hal_gpio. It doesn't boot, instead showing the following error: Sep 5, 2012 · Farnells tell me my R Pi is en route, so I am interested in your download too. Last edit: 04 May 2020 19:24 by twoflowers . 2 on raspberry pi5 and I am completing all setting for Linux cnc lathe then I (hal_gpio) which, in addition to working on Pi 5, in my 2 days ago · hal_pi_gpio. 2 Raspberry Pi 5 OS based on Debian Bookworm Raspberry Pi 5 Uspace compatible with Mesa Ethernet and SPI interface boards. hal_gpio. Are you saying that doesn't work? spidev is a standardised kernel interface, so it shouldn't matter what the hardware underneath is. 91 版本并编辑了 HAL 和 ini 配置文件，它们功能齐全，可以返回原点，可以连接手轮，并且可以用于 PWM 主轴。 Here are the preliminary steps to create an updated Machinekit installation based on Raspbian Jessie for RPi v1 and v2: Download and install MINIBIAN The default un/pw is root/raspberry Thanks again ! Wouldnt managed myself to do so much. I am not sure if the pi is supported in their repos for Debian 12 at all Also I doubt that a linuxcnc-ethercat driver is built for the pi either Right now your option is to build from source In the last few days there have been a lot of news that have led me to study the performance of LinuxCNC on Raspberry Pi. c file: I would like some help installing linuxcnc for raspberry pi 5. I would like some help installing linuxcnc for raspberry pi 5. 0000 MHz Clock High frequency: 200. Here are the preliminary steps to create an updated Machinekit installation based on Raspbian Jessie for RPi v1 and v2: Download and install MINIBIAN The default un/pw is root/raspberry Designed to be used with LinuxCNC; LEDs indicate 3. I think when the Pi5 surfaces, the builder Cornholio and I have built should transfer to it OK as we are using the genuine Raspberry kernel code. ). # Pour les GPIO #loadrt hal_pi_gpio dir=67108751 exclude=0 loadrt hal_pi_gpio dir=35390224 exclude=31718639 # next connect the parport functions to threads # read inputs first #addf parport. 1 Raspberry Pi OS based on Debian 10 Buster on a card and tried it on a RPi400. 0 --readhmid unable to set bpw32, fallback to bpw8 Configuration Name: HOSTMOT2 General configuration information: BoardName : MESA7C81 FPGA Size: 9 KGates FPGA Pins: 144 Number of IO Ports: 3 Width of one I/O port: 19 Clock Low frequency: 100. Please Log in or Create an account to join the conversation. 5G* before doing anything else. 8. Feb 19, 2021 · This being my first post and the fact that I’m yet another newbie at Linuxcnc i do hope you’ll bear with me. out' The code should printout a list of the bit patterns on gpio pins 22/23/24 and let the DMA loop for 30 seconds then change the bit patterns. MCP20_A1-in-not 4 bit IN FALSE hal_gpio. io 2 days ago · ARM computers such as the Raspberry Pi or Orange Pi can be used An interface is necessary to transmit (and convert) signals and information between LinuxCNC (the software on the computer) and CNC hardware (such as stepper / servo drivers, limit switches, inputs and outputs etc. By the way, DigiKey has over 2500 pi5 4GB in stock. Apart from the system being Debian12, I have followed the guidelines in the documentation for all other settings. The present hal_pi_gpio lacks pins types of the hal_parport, and thats what I am discussing. Does anyone have a working model hal file for the raspberry pi5 and could share it with me? Dec 28, 2023 · cnc@raspberrypi:~$ halrun halcmd: loadrt hal_gpio inputs=MCP20_A0,MCP20_A1 outputs=MCP20_B0,MCP20_B1 halcmd: show pin Component Pins: Owner Type Dir Value Name 4 bit OUT FALSE hal_gpio. All the Raspberry pins are digitally isolated and the outputs are buffered with 5V @ ~20 mA drive capability. The board has dedicated power connectors for the 5V RPi supply and 24V isolated bus. We cannot make much use of binary blobs or tgz files without history. 1 details: BCM2835 rev: b03111 serial: <filter> Argument "Raspberry Pi 4 Model B Rev 1. Hi, my plasma cutter is pretty much up and ready to run now but some serious noise issues are keeping me back. Sep 8, 2012 · I think the gpio driver will be important for getting higher speed stuff working, but as I said it looked like too much hassle for me to try, I don't know if the gpio is latched or what logic type it uses, I have not checked any specs on it but I know the could be alot more circuitry required for interfacing as the logic levels run at 3. MCP20_B1-out 4 s32 Sep 28, 2023 · However, on the flip side, Memory usage by linuxcnc is well under 4 Gb. h especially the CCM clock and gate values as I don't think the A10 shares the same settings. write - Add this to the base thread to update the physical pins to match the HAL values. gif INTRO_TIME = 5 PROGRAM_PREFIX = /home/pi/linuxcnc/nc hal_gpio module to control hardware using Raspberry Pi gpio lines you get lots of i/o, individually programmable direction, with very low cost interfacing The hardware used: Raspberry PI 3B with official power supply SD card ( 10x rated ) Host computer capable of 'ssh -x' into the RPi3B ( I run 'headless') Ethernet cable connection to LAN. Aug 2, 2011 · Since you are dealing with GPIO pins that are used for the Raspberry Pi internal, using AND mask to clear follow by an OR mask to set is the safest way to deal with the system GPIO pins. Jun 9, 2021 · pi@raspi4:~ $ mesaflash --device 7C81 --spi --addr /dev/spidev0. 1 I flashed an SD card and put it into my Raspberry Pi 4. And due to the need to really run a cooler, fitting to the 7c81 is None of those are “bleeding edge” if you look at the progression of the mainline kernel, which is well past the 6. Feb 19, 2024 · LinuxCNC 2. Note: In the calculation of the individual pin’s mask value its GPIO numbers are used, the value being derived as 2^(GPIO number - 2), whereas in the naming of the HAL pins it is the Raspberry Pi header pin numbers. It can use the same step generators, encoder counters and similar components. This should be placed after the "write" function, and should be Sep 28, 2023 · However, on the flip side, Memory usage by linuxcnc is well under 4 Gb. See full list on scottalford75. May 26, 2024 · I setup a Raspberry PI5 using this download: LinuxCNC 2. Dec 13, 2022 · I have tested your recipe on raspberry Pi, compute module CM4108016, 8G RAM + 16G eMMc installed on mother board “Compute Module 4 IO Board” and mesa 7i96S This is the cleanest OS 64 installation for linuxcnc 2. Feb 19, 2015 · answer Y <enter> when prompted to upgrade/install via apt-get then reboot once reboot startx, then open a terminal, type 'cd linuxcnc ; run. it's impossible to achieve 500kHz because the fluctuations add up; exact number yet unknown). Typically the read function will be early in the call list, before any encoder counters and the write function will be later in the call list, after stepgen. I would btw be very much interested in having a RT_PREEMPT kernel for the raspberry, really just to make measurements. While basic SPI functionality is available, there are some limitations and missing features:Limitations: Limited clock speed: The RP1 driver currently only supports SPI clock speeds up to 10MHz. Basically this is a very up to date OS now. This will all be connected to a raspberry pi 4 and we want to use the linuxcnc to control the motors and send gcode onto them. I flashed LinuxCNC 2. . May 30, 2022 · For others browsing, I should add the GPIO pin tables in hal_pi_gpio. Raspberry Pi running linuxcnc 14Sep2018 news RPi3BPreemptRT prev version preserved for author Okay brief revision and I hope a better overview of current state. (well one of them is) Nov 13, 2023 · pi@raspberrypi4:~ $ halrun -I halcmd: loadrt hal_gpio inputs=GPIO6,GPIO12,GPIO13,GPIO16,GPIO17,GPIO18,GPIO19 \ halcmd+: outputs=GPIO20,GPIO21,GPIO22,GPIO23,GPIO24,GPIO25,GPIO26,GPIO27 \ halcmd+: invert=GPIO20,GPIO27 \ halcmd+: reset=GPIO21,GPIO22 Note: Using POSIX realtime halcmd: show pin Component Pins: Owner Type Dir Value Name 4 bit OUT FALSE hal_gpio. The parallel hat, 5 Dec 5, 2022 · What is fun about these is that they are bidirectional, so you still get the G in GPIO. MCP20_A1-in 4 bit OUT FALSE hal_gpio. github. pin-22-out Jan 10, 2025 · Note: In the calculation of the individual pin’s mask value its GPIO numbers are used, the value being derived as 2^(GPIO number - 2), whereas in the naming of the HAL pins it is the Raspberry Pi header pin numbers. pin-18-out net Ystep => hal_pi_gpio. - Sieg X2 mini mill converted with ballscrews etc. Running LinuxCNC on a Raspberry Pi and controlling the machine using GPIO (General Purpose Input/Output) pins is indeed possible, but it requires some additional steps and considerations. I tried the "2022-08-08" Bookworm image for Raspberry Pi 4. For example, GPIO2 is used as output for the x axis step pulses and it is physically located on pin3 on the pi header. Mar 16, 2021 · Yes you can, there is a LinuxCNC GPIO driver for the RPI Note that RPI GPIO pins are 3. The current 2. To actually answer the question, you should be able to just modify a copy of your parallel port config to use the Pi GPIO instead. The image is for the arm64 architecture. It doesn't boot, instead showing the following error: Note: In the calculation of the individual pin’s mask value its GPIO numbers are used, the value being derived as 2^(GPIO number - 2), whereas in the naming of the HAL pins it is the Raspberry Pi header pin numbers. zip There two files in archive extract them setmempermissions. For some reason I thought this was a scheme where a "waveform" was loaded into a buffer and then automatically written out. One would expect that it will support the Pi 5, hopefully by changing one variable being the board we are building for. -N-in/out refer to the raspberry pi header PIN numbers on the board. Originally, we built Linuxcnc master branch to get the gpio driver. Glad you like it. 2. Jan 3, 2022 · This post describes how to install a 64-bit kernel based on Ubuntu and build LinuxCNC to suit on the Raspberry Pi 4. Feb 26, 2022 · Using the following download: * LinuxCNC 2. service sudo systemctl start setmempermissions. Quite honestly, after going through the process, as it stands the most usable route for the RPi 5 is a Raspberry OS image with a real time kernel of the appropriate version and Linuxcnc either installed via self built packages, which doesn’t take that long. For example: hal_pi_gpio. Oct 16, 2023 · Designed for Raspberry Pi 4 and 5 (the older version RPi 3 might also work) with SPI communication 3 I/O connectors: each 17 pins of freely addressable inputs / outputs; selectable 10 kOhm pull-down or pull-up resistor; optional 5V power supply on the connector; Apr 7, 2024 · RPi4 can do ethernet, gpio & SPI RPI5 can do ethernet, maybe able to do gpio can't do SPI (no idea if or when that will happen) You would have to check availability of 7i90, 7c80 & 7c81 for RPI4 Spi at Mesa. I am using the HAL driver for Raspberrry PI GPIO pins (hal_pi_gpio). 2 image needs updating to 2. But that was pushed back into 2. I have tried this a few times now trying to get a signal out of the GPIO pins and tried using a GPIO to Serial adapter but all have failed. The changes don't really affect the user. fgvxxraddvfmfdpssvptbhzzvoyiysgixhcsywgatwkvojzcaaidpocb