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  3. Mysensors Gateway on OrangePi (Zero) (opi)

Mysensors Gateway on OrangePi (Zero) (opi)

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  • M marceloaqno

    @hausinger That shouldn't happen (gateway quitting itself). Could you submit the debug log with MY_DEBUG_VERBOSE_RF24 enabled?

    H Offline
    H Offline
    hausinger
    wrote on last edited by
    #34

    @marceloaqno said:

    @hausinger That shouldn't happen (gateway quitting itself). Could you submit the debug log with MY_DEBUG_VERBOSE_RF24 enabled?

    Yes i can check that, but how?
    I tried it to enable it in "example_linux" => mysgw.cpp (added the line "#define MY_DEBUG_VERBOSE_RF24")
    I also tried it in the file: "MyConfig.h" (also added the line "#define MY_DEBUG_VERBOSE_RF24")

    But my output is still the same in the console.

    1 Reply Last reply
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    • M Offline
      M Offline
      mihai.aldea
      wrote on last edited by
      #35

      @Tag Just to make it clear, do you want to connect the RF24 radio directly on the OPi's GPIO pins? Or do you want to connect it first to an Arduino and then to the OPi?
      I haven't used the mysgw because so far I only played with EasyIoT (directly attached RF24 to RPi GPIO - doesn't work on OPi) and MyController (using an Arduino connected to the OPi's serial port).
      Since MySensors is open source you can definitely change the pin numbers to match the OPI's Sunxi pin numbering. I don't have a setup in place right now to point you in the exact direction but will cook one tomorrow and get back with the details.
      Meanwhile you can burn the GatewaySerial sketch on your Arduino and either use /bin/mysgw or:

      apt-get -y update
      apt-get -y install minicom
      minicom -D /dev/ttyUSB0
      

      It's likely that the minicom will scramble the text on your screen but you can:

      Ctrl+Z
      O
      Screen and Keyboard
      T
      Esc
      Save setup as df1
      

      Close the minicom window then open it again and all should be fine.

      T 1 Reply Last reply
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      • M mihai.aldea

        @Tag Just to make it clear, do you want to connect the RF24 radio directly on the OPi's GPIO pins? Or do you want to connect it first to an Arduino and then to the OPi?
        I haven't used the mysgw because so far I only played with EasyIoT (directly attached RF24 to RPi GPIO - doesn't work on OPi) and MyController (using an Arduino connected to the OPi's serial port).
        Since MySensors is open source you can definitely change the pin numbers to match the OPI's Sunxi pin numbering. I don't have a setup in place right now to point you in the exact direction but will cook one tomorrow and get back with the details.
        Meanwhile you can burn the GatewaySerial sketch on your Arduino and either use /bin/mysgw or:

        apt-get -y update
        apt-get -y install minicom
        minicom -D /dev/ttyUSB0
        

        It's likely that the minicom will scramble the text on your screen but you can:

        Ctrl+Z
        O
        Screen and Keyboard
        T
        Esc
        Save setup as df1
        

        Close the minicom window then open it again and all should be fine.

        T Offline
        T Offline
        Tag
        wrote on last edited by Tag
        #36

        @mihai.aldea

        Hi!, my idea is to have the NRF24 radio directly attached to the GPIO header on the OPI, (got this already working on my RPI system). So the idea is to run mysgw on the OPI system.
        (already got an extensive sensor network running with multiple arduinos and Mycontroller on thae RPI) On the RPI i had the arduino GW attached to USB and the NRF24 directly attached at the GPIO header at the same time, MyController saw 2 gateways :) )

        The other option like you already mentioned is to attach the arduino using USB read from /dev/ttyUSB0. I see this as a last resort only if mysgw will never run on the OPI zero.

        I read on the OPI website that the 26 pin header from the OPI is directly compatible with the RPI, however other sources of information tell me differently. So if you want to help out with the pin numbering this is greatly appreciated!

        but again mysgw on the OPI with the radio on the GPIO header would be great!!

        At this moment we try to build/compile mysgw on the OPI board, however that fails at the SPI part.

        Thanks!

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        • H hausinger

          I'm using a orangepi one and with your help I can compile it.
          I tried it with a serial gateway. I connected a arduino nano with the gateway serial scath on it through USB to my orangepi one. DMESG say to me, that it is attached to ttyUSB0
          So i tried to build the gateway with:
          ./configure --my-gateway=serial --my-serial-port=/dev/ttyUSB0 --my-serial-baudrate=115200

          make has no errors

          after that, i tried to start it with:
          sudo ./bin/mysgw -d

          Is started but i get this problem:
          (0_1483630831348_Gateway_problem.JPG

          Do you know whats wrong with it?

          M Offline
          M Offline
          marceloaqno
          Code Contributor
          wrote on last edited by
          #37

          @hausinger The problem you are having with your serial gateway (./configure --my-gateway=serial --my-serial-port=/dev/ttyUSB0 --my-serial-baudrate=115200) may be related to this bug:
          https://github.com/mysensors/MySensors/issues/720#issuecomment-270712256

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          • M Offline
            M Offline
            mihai.aldea
            wrote on last edited by
            #38

            @Tag I made the test setup and retraced my steps from the previous experiment. While the TMRh20 is working, the problem indeed lies with the ** mysgw** compilation. I'm getting the same error.
            After spending quite some time trying to mitigate the errors I hit a wall and I concluded that the problem is not the different pin numbering but the mysgw source code. I believe the problem is the lack of support for this architecture and with MySensors being so complex and my C++ skills so average, I'm afraid I can't help.
            However, if someone can mitigate the source code to successfully compile, the radio should be initialized with:
            RF24 radio(7, 0);
            7 - CE pin
            0 - CS pin
            More details here: https://github.com/TMRh20/RF24/issues/257

            T 1 Reply Last reply
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            • M mihai.aldea

              @Tag I made the test setup and retraced my steps from the previous experiment. While the TMRh20 is working, the problem indeed lies with the ** mysgw** compilation. I'm getting the same error.
              After spending quite some time trying to mitigate the errors I hit a wall and I concluded that the problem is not the different pin numbering but the mysgw source code. I believe the problem is the lack of support for this architecture and with MySensors being so complex and my C++ skills so average, I'm afraid I can't help.
              However, if someone can mitigate the source code to successfully compile, the radio should be initialized with:
              RF24 radio(7, 0);
              7 - CE pin
              0 - CS pin
              More details here: https://github.com/TMRh20/RF24/issues/257

              T Offline
              T Offline
              Tag
              wrote on last edited by Tag
              #39

              @mihai.aldea said:

              us experiment. While the TMRh20 is working, the problem indeed lies with the ** mysgw** compilation. I'm getting the same error.

              Thanks for the confirmation!!, now lets hope that mysgw, will be fixed/ported to the OPI boards soon!
              would be great to expand the number of systems it will run on..

              R 1 Reply Last reply
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              • T Tag

                @mihai.aldea said:

                us experiment. While the TMRh20 is working, the problem indeed lies with the ** mysgw** compilation. I'm getting the same error.

                Thanks for the confirmation!!, now lets hope that mysgw, will be fixed/ported to the OPI boards soon!
                would be great to expand the number of systems it will run on..

                R Offline
                R Offline
                Reza
                wrote on last edited by
                #40

                @Tag
                Could you setup my sensors gateway on orange pi one? if you can please help me to build this . thank you

                T 1 Reply Last reply
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                • R Reza

                  @Tag
                  Could you setup my sensors gateway on orange pi one? if you can please help me to build this . thank you

                  T Offline
                  T Offline
                  Tag
                  wrote on last edited by Tag
                  #41

                  @Reza

                  Unfortunately the mysgw software does not run native on the OPI systems at this moment.The only option today is to add an arduino to the USB port running i.e the serial gateway sketch (if you do not want to use the USB port, an other option would be using an UART trough the GPIO header, you data will show up on i.e. /dev/ttyS1 if UART 1 is used)

                  step 2 will be to install controller software.
                  (i tested MyController on the OPI and that works like a charm, and looks pretty cool!)

                  See this link on how to build a serial gateway on the arduino. Using this setup you can follow the RaspberryPI tutorials.

                  Hopefully mysgw will run soon on the OrangePI systems! think this is work in progress......

                  1 Reply Last reply
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                  • M Offline
                    M Offline
                    marceloaqno
                    Code Contributor
                    wrote on last edited by marceloaqno
                    #42

                    I'm trying to add support for Orange Pi to MySensors, this is the work-in-progress repository:
                    https://github.com/marceloaqno/MySensors/tree/spidev

                    It would be great if someone could test and submit results from the configure and make commands:

                    git clone https://github.com/marceloaqno/MySensors marceloaqno-spidev
                    cd marceloaqno-spidev
                    git checkout spidev
                    ./configure
                    make
                    
                    T 2 Replies Last reply
                    1
                    • M marceloaqno

                      I'm trying to add support for Orange Pi to MySensors, this is the work-in-progress repository:
                      https://github.com/marceloaqno/MySensors/tree/spidev

                      It would be great if someone could test and submit results from the configure and make commands:

                      git clone https://github.com/marceloaqno/MySensors marceloaqno-spidev
                      cd marceloaqno-spidev
                      git checkout spidev
                      ./configure
                      make
                      
                      T Offline
                      T Offline
                      Tag
                      wrote on last edited by
                      #43

                      @marceloaqno

                      Hi!, really appreciate your hard work on this!!, below are the results,
                      (I was not able to execute the 1st command :( but... tried something else..

                      root@orangepizero:~# git clone https://github.com/marceloaqno/MySensors.git marceloaqno-spidev
                      Cloning into 'marceloaqno-spidev'...
                      remote: Counting objects: 13834, done.
                      remote: Compressing objects: 100% (26/26), done.
                      remote: Total 13834 (delta 2), reused 0 (delta 0), pack-reused 13808
                      Receiving objects: 100% (13834/13834), 9.67 MiB | 3.16 MiB/s, done.
                      Resolving deltas: 100% (8289/8289), done.
                      Checking connectivity... done.
                      root@orangepizero:~# cd marceloaqno-spidev
                      root@orangepizero:~/marceloaqno-spidev# git checkout spidev
                      Branch spidev set up to track remote branch spidev from origin.
                      Switched to a new branch 'spidev'

                      root@orangepizero:~/marceloaqno-spidev# ./configure
                      [SECTION] Detecting target machine.
                      [OK] machine detected: SoC=H3, Type=unknown, CPU=armv7l.
                      [SECTION] Detecting SPI driver.
                      [OK] SPI driver detected:SPIDEV.
                      [SECTION] Detecting init system.
                      [OK] init system detected: systemd.
                      [SECTION] Saving configuration.
                      [SECTION] Cleaning previous builds.
                      [OK] Finished.
                      root@orangepizero:~/marceloaqno-spidev# make
                      gcc -MT build/drivers/Linux/log.o -MMD -MP -march=armv8-a -mtune=cortex-a53 -mfpu=neon-vfpv4 -mfloat-abi=hard -DMY_RADIO_NRF24 -DMY_GATEWAY_LINUX -DMY_DEBUG -DLINUX_SPI_SPIDEV -DLINUX_GPIO_CAPABLE -Ofast -g -Wall -Wextra -I. -I./core -I./drivers/Linux -I./drivers/SPIDEV -c drivers/Linux/log.c -o build/drivers/Linux/log.o
                      g++ -MT build/drivers/Linux/noniso.o -MMD -MP -march=armv8-a -mtune=cortex-a53 -mfpu=neon-vfpv4 -mfloat-abi=hard -DMY_RADIO_NRF24 -DMY_GATEWAY_LINUX -DMY_DEBUG -DLINUX_SPI_SPIDEV -DLINUX_GPIO_CAPABLE -Ofast -g -Wall -Wextra -I. -I./core -I./drivers/Linux -I./drivers/SPIDEV -c drivers/Linux/noniso.cpp -o build/drivers/Linux/noniso.o
                      g++ -MT build/drivers/Linux/GPIO.o -MMD -MP -march=armv8-a -mtune=cortex-a53 -mfpu=neon-vfpv4 -mfloat-abi=hard -DMY_RADIO_NRF24 -DMY_GATEWAY_LINUX -DMY_DEBUG -DLINUX_SPI_SPIDEV -DLINUX_GPIO_CAPABLE -Ofast -g -Wall -Wextra -I. -I./core -I./drivers/Linux -I./drivers/SPIDEV -c drivers/Linux/GPIO.cpp -o build/drivers/Linux/GPIO.o
                      g++ -MT build/drivers/Linux/Print.o -MMD -MP -march=armv8-a -mtune=cortex-a53 -mfpu=neon-vfpv4 -mfloat-abi=hard -DMY_RADIO_NRF24 -DMY_GATEWAY_LINUX -DMY_DEBUG -DLINUX_SPI_SPIDEV -DLINUX_GPIO_CAPABLE -Ofast -g -Wall -Wextra -I. -I./core -I./drivers/Linux -I./drivers/SPIDEV -c drivers/Linux/Print.cpp -o build/drivers/Linux/Print.o
                      g++ -MT build/drivers/Linux/EthernetClient.o -MMD -MP -march=armv8-a -mtune=cortex-a53 -mfpu=neon-vfpv4 -mfloat-abi=hard -DMY_RADIO_NRF24 -DMY_GATEWAY_LINUX -DMY_DEBUG -DLINUX_SPI_SPIDEV -DLINUX_GPIO_CAPABLE -Ofast -g -Wall -Wextra -I. -I./core -I./drivers/Linux -I./drivers/SPIDEV -c drivers/Linux/EthernetClient.cpp -o build/drivers/Linux/EthernetClient.o
                      g++ -MT build/drivers/Linux/SerialPort.o -MMD -MP -march=armv8-a -mtune=cortex-a53 -mfpu=neon-vfpv4 -mfloat-abi=hard -DMY_RADIO_NRF24 -DMY_GATEWAY_LINUX -DMY_DEBUG -DLINUX_SPI_SPIDEV -DLINUX_GPIO_CAPABLE -Ofast -g -Wall -Wextra -I. -I./core -I./drivers/Linux -I./drivers/SPIDEV -c drivers/Linux/SerialPort.cpp -o build/drivers/Linux/SerialPort.o
                      g++ -MT build/drivers/Linux/Stream.o -MMD -MP -march=armv8-a -mtune=cortex-a53 -mfpu=neon-vfpv4 -mfloat-abi=hard -DMY_RADIO_NRF24 -DMY_GATEWAY_LINUX -DMY_DEBUG -DLINUX_SPI_SPIDEV -DLINUX_GPIO_CAPABLE -Ofast -g -Wall -Wextra -I. -I./core -I./drivers/Linux -I./drivers/SPIDEV -c drivers/Linux/Stream.cpp -o build/drivers/Linux/Stream.o
                      g++ -MT build/drivers/Linux/IPAddress.o -MMD -MP -march=armv8-a -mtune=cortex-a53 -mfpu=neon-vfpv4 -mfloat-abi=hard -DMY_RADIO_NRF24 -DMY_GATEWAY_LINUX -DMY_DEBUG -DLINUX_SPI_SPIDEV -DLINUX_GPIO_CAPABLE -Ofast -g -Wall -Wextra -I. -I./core -I./drivers/Linux -I./drivers/SPIDEV -c drivers/Linux/IPAddress.cpp -o build/drivers/Linux/IPAddress.o
                      g++ -MT build/drivers/Linux/compatibility.o -MMD -MP -march=armv8-a -mtune=cortex-a53 -mfpu=neon-vfpv4 -mfloat-abi=hard -DMY_RADIO_NRF24 -DMY_GATEWAY_LINUX -DMY_DEBUG -DLINUX_SPI_SPIDEV -DLINUX_GPIO_CAPABLE -Ofast -g -Wall -Wextra -I. -I./core -I./drivers/Linux -I./drivers/SPIDEV -c drivers/Linux/compatibility.cpp -o build/drivers/Linux/compatibility.o
                      g++ -MT build/drivers/Linux/interrupt.o -MMD -MP -march=armv8-a -mtune=cortex-a53 -mfpu=neon-vfpv4 -mfloat-abi=hard -DMY_RADIO_NRF24 -DMY_GATEWAY_LINUX -DMY_DEBUG -DLINUX_SPI_SPIDEV -DLINUX_GPIO_CAPABLE -Ofast -g -Wall -Wextra -I. -I./core -I./drivers/Linux -I./drivers/SPIDEV -c drivers/Linux/interrupt.cpp -o build/drivers/Linux/interrupt.o
                      g++ -MT build/drivers/Linux/SoftEeprom.o -MMD -MP -march=armv8-a -mtune=cortex-a53 -mfpu=neon-vfpv4 -mfloat-abi=hard -DMY_RADIO_NRF24 -DMY_GATEWAY_LINUX -DMY_DEBUG -DLINUX_SPI_SPIDEV -DLINUX_GPIO_CAPABLE -Ofast -g -Wall -Wextra -I. -I./core -I./drivers/Linux -I./drivers/SPIDEV -c drivers/Linux/SoftEeprom.cpp -o build/drivers/Linux/SoftEeprom.o
                      g++ -MT build/drivers/Linux/EthernetServer.o -MMD -MP -march=armv8-a -mtune=cortex-a53 -mfpu=neon-vfpv4 -mfloat-abi=hard -DMY_RADIO_NRF24 -DMY_GATEWAY_LINUX -DMY_DEBUG -DLINUX_SPI_SPIDEV -DLINUX_GPIO_CAPABLE -Ofast -g -Wall -Wextra -I. -I./core -I./drivers/Linux -I./drivers/SPIDEV -c drivers/Linux/EthernetServer.cpp -o build/drivers/Linux/EthernetServer.o
                      g++ -MT build/examples_linux/mysgw.o -MMD -MP -march=armv8-a -mtune=cortex-a53 -mfpu=neon-vfpv4 -mfloat-abi=hard -DMY_RADIO_NRF24 -DMY_GATEWAY_LINUX -DMY_DEBUG -DLINUX_SPI_SPIDEV -DLINUX_GPIO_CAPABLE -Ofast -g -Wall -Wextra -I. -I./core -I./drivers/Linux -I./drivers/SPIDEV -c examples_linux/mysgw.cpp -o build/examples_linux/mysgw.o
                      /tmp/ccVhf8xP.s: Assembler messages:
                      /tmp/ccVhf8xP.s:14808: Warning: IT blocks containing 32-bit Thumb instructions are deprecated in ARMv8
                      g++ -MT build/drivers/SPIDEV/SPI.o -MMD -MP -march=armv8-a -mtune=cortex-a53 -mfpu=neon-vfpv4 -mfloat-abi=hard -DMY_RADIO_NRF24 -DMY_GATEWAY_LINUX -DMY_DEBUG -DLINUX_SPI_SPIDEV -DLINUX_GPIO_CAPABLE -Ofast -g -Wall -Wextra -I. -I./core -I./drivers/Linux -I./drivers/SPIDEV -c drivers/SPIDEV/SPI.cpp -o build/drivers/SPIDEV/SPI.o
                      g++ -pthread -o bin/mysgw build/drivers/Linux/log.o build/drivers/Linux/noniso.o build/drivers/Linux/GPIO.o build/drivers/Linux/Print.o build/drivers/Linux/EthernetClient.o build/drivers/Linux/SerialPort.o build/drivers/Linux/Stream.o build/drivers/Linux/IPAddress.o build/drivers/Linux/compatibility.o build/drivers/Linux/interrupt.o build/drivers/Linux/SoftEeprom.o build/drivers/Linux/EthernetServer.o build/examples_linux/mysgw.o build/drivers/SPIDEV/SPI.o

                      root@orangepizero:~/marceloaqno-spidev# ll bin
                      total 640
                      -rwxr-xr-x 1 root root 654544 Jan 7 22:48 mysgw

                      Seems we have a binary!!
                      :D

                      1 Reply Last reply
                      0
                      • M marceloaqno

                        I'm trying to add support for Orange Pi to MySensors, this is the work-in-progress repository:
                        https://github.com/marceloaqno/MySensors/tree/spidev

                        It would be great if someone could test and submit results from the configure and make commands:

                        git clone https://github.com/marceloaqno/MySensors marceloaqno-spidev
                        cd marceloaqno-spidev
                        git checkout spidev
                        ./configure
                        make
                        
                        T Offline
                        T Offline
                        Tag
                        wrote on last edited by Tag
                        #44

                        @marceloaqno

                        Just hooked up a radio to the GPIO header. (used this link for the model 1 RPI https://www.mysensors.org/build/raspberry and attached the interrupt pin also to pin 15)

                        This is the result i get
                        root@orangepizero:~/marceloaqno-spidev/bin# mysgw
                        mysgw: Starting gateway...
                        mysgw: Protocol version - 2.2.0-beta
                        mysgw: Could not open /sys/class/gpio/gpio10/direction
                        Illegal instruction
                        root@orangepizero:~/marceloaqno-spidev/bin#

                        M 2 Replies Last reply
                        0
                        • T Tag

                          @marceloaqno

                          Just hooked up a radio to the GPIO header. (used this link for the model 1 RPI https://www.mysensors.org/build/raspberry and attached the interrupt pin also to pin 15)

                          This is the result i get
                          root@orangepizero:~/marceloaqno-spidev/bin# mysgw
                          mysgw: Starting gateway...
                          mysgw: Protocol version - 2.2.0-beta
                          mysgw: Could not open /sys/class/gpio/gpio10/direction
                          Illegal instruction
                          root@orangepizero:~/marceloaqno-spidev/bin#

                          M Offline
                          M Offline
                          marceloaqno
                          Code Contributor
                          wrote on last edited by marceloaqno
                          #45

                          @Tag Great! The mapping of the physical GPIO number in OrangePi is not ready yet, so you need to figure out the correct value for the CE and CSN pins by adding this to the examples_linux/mysgw.cpp or MyConfig.h

                          #define MY_RF24_CE_PIN X
                          #define MY_RF24_CS_PIN Y
                          

                          This is the best pinout image I've found that could help:
                          https://oshlab.com/orange-pi-zero-pinout/

                          This may also give you some hint:

                          cat /sys/kernel/debug/gpio
                          
                          M 1 Reply Last reply
                          0
                          • M marceloaqno

                            @Tag Great! The mapping of the physical GPIO number in OrangePi is not ready yet, so you need to figure out the correct value for the CE and CSN pins by adding this to the examples_linux/mysgw.cpp or MyConfig.h

                            #define MY_RF24_CE_PIN X
                            #define MY_RF24_CS_PIN Y
                            

                            This is the best pinout image I've found that could help:
                            https://oshlab.com/orange-pi-zero-pinout/

                            This may also give you some hint:

                            cat /sys/kernel/debug/gpio
                            
                            M Offline
                            M Offline
                            marceloaqno
                            Code Contributor
                            wrote on last edited by marceloaqno
                            #46

                            @Tag Maybe this one can help too:
                            http://orange314.com/WiringOP

                            M 1 Reply Last reply
                            0
                            • M marceloaqno

                              @Tag Maybe this one can help too:
                              http://orange314.com/WiringOP

                              M Offline
                              M Offline
                              marceloaqno
                              Code Contributor
                              wrote on last edited by
                              #47

                              @Tag also, please don't set the interrupt pin for now.

                              1 Reply Last reply
                              0
                              • T Tag

                                @marceloaqno

                                Just hooked up a radio to the GPIO header. (used this link for the model 1 RPI https://www.mysensors.org/build/raspberry and attached the interrupt pin also to pin 15)

                                This is the result i get
                                root@orangepizero:~/marceloaqno-spidev/bin# mysgw
                                mysgw: Starting gateway...
                                mysgw: Protocol version - 2.2.0-beta
                                mysgw: Could not open /sys/class/gpio/gpio10/direction
                                Illegal instruction
                                root@orangepizero:~/marceloaqno-spidev/bin#

                                M Offline
                                M Offline
                                marceloaqno
                                Code Contributor
                                wrote on last edited by
                                #48

                                @Tag I found more information on the wiki page about the gpio pins:
                                http://linux-sunxi.org/GPIO

                                It seems that there is a calculation to be made to know which number to use :scream:

                                1 Reply Last reply
                                0
                                • T Offline
                                  T Offline
                                  Tag
                                  wrote on last edited by Tag
                                  #49

                                  @marceloaqno

                                  Hi!!, many thanks for the info!! really helpful!
                                  Made some progress. first I created this table based on this page: http://linux-sunxi.org/GPIO

                                  Pin - Num - Name - Calculated value A=1 ((1-1)*32 + Pin)
                                  CE / 22 / PA02 / 2
                                  SCK / 23 / PA14 / 14
                                  MISO / 21 / PA16 / 16
                                  CSN / 24 / PA13 / 13
                                  MOSI / 19 / PA15 / 15

                                  Now it is important that you know which kernel is used on your systems the 4.x architecture is different compared to the 3.x arch...

                                  If the 4.x kernel is used you need to use the calculated value for the GPIO pin numbering, i could not test that since I am using the 3.x kernel, so this is what i did:

                                  1. load the GPIO kernel module:
                                  modprobe gpio-sunxi
                                  
                                  1. Create the GPIO device files since these were not available on my system by default.
                                  for A in 1 2 3 4 5 6 7 8 9 10 11 12; do echo "$A" > /sys/class/gpio/export ; done
                                  

                                  This created the following entries in /sys/class/gpio

                                  root@orangepizero:~/marceloaqno-spidev/bin# ls -l /sys/class/gpio
                                  total 0
                                  --w------- 1 root root 4096 Jan  8 07:39 export
                                  lrwxrwxrwx 1 root root    0 Jan  8 07:16 gpio1 -> ../../devices/platform/sunxi-pinctrl/gpio/gpio1
                                  lrwxrwxrwx 1 root root    0 Jan  8 07:16 gpio11 -> ../../devices/platform/sunxi-pinctrl/gpio/gpio11
                                  lrwxrwxrwx 1 root root    0 Jan  8 07:16 gpio12 -> ../../devices/platform/sunxi-pinctrl/gpio/gpio12
                                  lrwxrwxrwx 1 root root    0 Jan  8 07:32 gpio13 -> ../../devices/platform/sunxi-pinctrl/gpio/gpio13
                                  lrwxrwxrwx 1 root root    0 Jan  8 07:16 gpio2 -> ../../devices/platform/sunxi-pinctrl/gpio/gpio2
                                  lrwxrwxrwx 1 root root    0 Jan  8 07:16 gpio3 -> ../../devices/platform/sunxi-pinctrl/gpio/gpio3
                                  lrwxrwxrwx 1 root root    0 Jan  8 07:16 gpio4 -> ../../devices/platform/sunxi-pinctrl/gpio/gpio4
                                  lrwxrwxrwx 1 root root    0 Jan  8 07:16 gpio5 -> ../../devices/platform/sunxi-pinctrl/gpio/gpio5
                                  lrwxrwxrwx 1 root root    0 Jan  8 07:16 gpio6 -> ../../devices/platform/sunxi-pinctrl/gpio/gpio6
                                  lrwxrwxrwx 1 root root    0 Jan  8 07:16 gpio7 -> ../../devices/platform/sunxi-pinctrl/gpio/gpio7
                                  lrwxrwxrwx 1 root root    0 Jan  8 07:16 gpio8 -> ../../devices/platform/sunxi-pinctrl/gpio/gpio8
                                  lrwxrwxrwx 1 root root    0 Jan  8 07:16 gpio9 -> ../../devices/platform/sunxi-pinctrl/gpio/gpio9
                                  lrwxrwxrwx 1 root root    0 Jan  1  1970 gpiochip0 -> ../../devices/platform/sunxi-pinctrl/gpio/gpiochip0
                                  --w------- 1 root root 4096 Jan  1  1970 unexport
                                  

                                  Modified mysgw.cpp to use:

                                  #define MY_RF24_CE_PIN 2
                                  #define MY_RF24_CS_PIN 13
                                  

                                  And did a clean build:

                                  make clean
                                  ./configure
                                  make
                                  

                                  Now some thing has changed! :)

                                  root@orangepizero:~/marceloaqno-spidev/bin# ./mysgw -d
                                  mysgw: Starting gateway...
                                  mysgw: Protocol version - 2.2.0-beta
                                  mysgw: MCO:BGN:INIT GW,CP=RNNG---,VER=2.2.0-beta
                                  mysgw: TSM:INIT
                                  mysgw: TSF:WUR:MS=0
                                  mysgw: !TSM:INIT:TSP FAIL
                                  mysgw: TSM:FAIL:CNT=1
                                  mysgw: TSM:FAIL:PDT
                                  

                                  Will do some more testing with an LED today see if the GPIO pin numbering that was created is okay,

                                  will keep you posted!:

                                  M 1 Reply Last reply
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                                  • T Offline
                                    T Offline
                                    Tag
                                    wrote on last edited by Tag
                                    #50

                                    @marceloaqno
                                    Did some testing,

                                    Setup the GPIO pins:

                                    modprobe gpio-sunxi
                                    
                                    for A in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 
                                    do echo "$A" > /sys/class/gpio/export
                                    done
                                    

                                    (The device files that are created by the commands above do not survive a reboot, so remember to execute the above commands after each reboot!)

                                    Hooked up an led between ground and i.e. pin 22, this pin is linked to GPIO2

                                    Then:

                                    echo out > /sys/class/gpio/gpio2/direction
                                    echo 1 > /sys/class/gpio/gpio2/value
                                    echo 0 > /sys/class/gpio/gpio2/value
                                    
                                    

                                    And eureka!! Led went on and off :D

                                    Did this for all GPIO ports used by mysgw, below is the verified pin / GPIO table

                                    Pin#  -  GPIO / NRF24 
                                    22 - GPIO2   / CE
                                    23 - GPIO14  / SCK
                                    21 - GPIO16  / MISO
                                    24 - GPIO13  / CSN
                                    19 - GPIO15  / MOSI
                                    

                                    Tested all pins and led went on and off on all

                                    How i connected the radio: https://www.mysensors.org/build/raspberry (see the Pi1 part)
                                    How to setup GPIO: http://linux-sunxi.org/GPIO (3.x kernel part, and added pin 13/14/15/16)
                                    Pinout for the OPI Zero: https://i1.wp.com/oshlab.com/wp-content/uploads/2016/11/Orange-Pi-Zero-Pinout-banner2.jpg?fit=1200%2C628&ssl=1 (carefully look at the pin numbering!)

                                    Maybe it is usefull, I rebuild mysgw with NRF24 radio debugging enabled, this is the output I get:

                                    root@orangepizero:~/marceloaqno-spidev/bin# ./mysgw -d
                                    mysgw: Starting gateway...
                                    mysgw: Protocol version - 2.2.0-beta
                                    mysgw: MCO:BGN:INIT GW,CP=RNNG---,VER=2.2.0-beta
                                    mysgw: TSM:INIT
                                    mysgw: TSF:WUR:MS=0
                                    mysgw: RF24:write register, reg=0, value=14
                                    mysgw: RF24:write register, reg=3, value=3
                                    mysgw: RF24:write register, reg=4, value=95
                                    mysgw: RF24:write register, reg=5, value=76
                                    mysgw: RF24:write register, reg=6, value=39
                                    mysgw: RF24:write register, reg=16, value=115
                                    mysgw: RF24:write register, reg=29, value=6
                                    mysgw: RF24:read register, reg=6, value=0
                                    mysgw: RF24:read register, reg=5, value=0
                                    mysgw: !RF24:INIT:SANCHK FAIL
                                    mysgw: !TSM:INIT:TSP FAIL
                                    mysgw: TSM:FAIL:CNT=1
                                    mysgw: TSM:FAIL:PDT
                                    mysgw: RF24:write register, reg=0, value=12
                                    mysgw: RF24:PD
                                    ^Cmysgw: Received SIGINT
                                    

                                    keeps looping, until ctrl-c is given.

                                    1 Reply Last reply
                                    0
                                    • T Tag

                                      @marceloaqno

                                      Hi!!, many thanks for the info!! really helpful!
                                      Made some progress. first I created this table based on this page: http://linux-sunxi.org/GPIO

                                      Pin - Num - Name - Calculated value A=1 ((1-1)*32 + Pin)
                                      CE / 22 / PA02 / 2
                                      SCK / 23 / PA14 / 14
                                      MISO / 21 / PA16 / 16
                                      CSN / 24 / PA13 / 13
                                      MOSI / 19 / PA15 / 15

                                      Now it is important that you know which kernel is used on your systems the 4.x architecture is different compared to the 3.x arch...

                                      If the 4.x kernel is used you need to use the calculated value for the GPIO pin numbering, i could not test that since I am using the 3.x kernel, so this is what i did:

                                      1. load the GPIO kernel module:
                                      modprobe gpio-sunxi
                                      
                                      1. Create the GPIO device files since these were not available on my system by default.
                                      for A in 1 2 3 4 5 6 7 8 9 10 11 12; do echo "$A" > /sys/class/gpio/export ; done
                                      

                                      This created the following entries in /sys/class/gpio

                                      root@orangepizero:~/marceloaqno-spidev/bin# ls -l /sys/class/gpio
                                      total 0
                                      --w------- 1 root root 4096 Jan  8 07:39 export
                                      lrwxrwxrwx 1 root root    0 Jan  8 07:16 gpio1 -> ../../devices/platform/sunxi-pinctrl/gpio/gpio1
                                      lrwxrwxrwx 1 root root    0 Jan  8 07:16 gpio11 -> ../../devices/platform/sunxi-pinctrl/gpio/gpio11
                                      lrwxrwxrwx 1 root root    0 Jan  8 07:16 gpio12 -> ../../devices/platform/sunxi-pinctrl/gpio/gpio12
                                      lrwxrwxrwx 1 root root    0 Jan  8 07:32 gpio13 -> ../../devices/platform/sunxi-pinctrl/gpio/gpio13
                                      lrwxrwxrwx 1 root root    0 Jan  8 07:16 gpio2 -> ../../devices/platform/sunxi-pinctrl/gpio/gpio2
                                      lrwxrwxrwx 1 root root    0 Jan  8 07:16 gpio3 -> ../../devices/platform/sunxi-pinctrl/gpio/gpio3
                                      lrwxrwxrwx 1 root root    0 Jan  8 07:16 gpio4 -> ../../devices/platform/sunxi-pinctrl/gpio/gpio4
                                      lrwxrwxrwx 1 root root    0 Jan  8 07:16 gpio5 -> ../../devices/platform/sunxi-pinctrl/gpio/gpio5
                                      lrwxrwxrwx 1 root root    0 Jan  8 07:16 gpio6 -> ../../devices/platform/sunxi-pinctrl/gpio/gpio6
                                      lrwxrwxrwx 1 root root    0 Jan  8 07:16 gpio7 -> ../../devices/platform/sunxi-pinctrl/gpio/gpio7
                                      lrwxrwxrwx 1 root root    0 Jan  8 07:16 gpio8 -> ../../devices/platform/sunxi-pinctrl/gpio/gpio8
                                      lrwxrwxrwx 1 root root    0 Jan  8 07:16 gpio9 -> ../../devices/platform/sunxi-pinctrl/gpio/gpio9
                                      lrwxrwxrwx 1 root root    0 Jan  1  1970 gpiochip0 -> ../../devices/platform/sunxi-pinctrl/gpio/gpiochip0
                                      --w------- 1 root root 4096 Jan  1  1970 unexport
                                      

                                      Modified mysgw.cpp to use:

                                      #define MY_RF24_CE_PIN 2
                                      #define MY_RF24_CS_PIN 13
                                      

                                      And did a clean build:

                                      make clean
                                      ./configure
                                      make
                                      

                                      Now some thing has changed! :)

                                      root@orangepizero:~/marceloaqno-spidev/bin# ./mysgw -d
                                      mysgw: Starting gateway...
                                      mysgw: Protocol version - 2.2.0-beta
                                      mysgw: MCO:BGN:INIT GW,CP=RNNG---,VER=2.2.0-beta
                                      mysgw: TSM:INIT
                                      mysgw: TSF:WUR:MS=0
                                      mysgw: !TSM:INIT:TSP FAIL
                                      mysgw: TSM:FAIL:CNT=1
                                      mysgw: TSM:FAIL:PDT
                                      

                                      Will do some more testing with an LED today see if the GPIO pin numbering that was created is okay,

                                      will keep you posted!:

                                      M Offline
                                      M Offline
                                      mihai.aldea
                                      wrote on last edited by
                                      #51

                                      @Tag said:

                                      Made some progress. first I created this table based on this page: http://linux-sunxi.org/GPIO

                                      Pin - Num - Name - Calculated value
                                      CE / 22 / PA02 / 482
                                      SCK / 23 / PA14 / 494
                                      MISO / 21 / PA16 / 496
                                      CSN / 24 / PA13 / 493
                                      MOSI / 19 / PA15 / 495

                                      Are you sure this is correct?
                                      The formula is: (position of letter in alphabet - 1) * 32 + pin number
                                      For PA02 for instance the correct value is:
                                      PA02 = (1 - 1) * 32 + 02 = 2

                                      Actually you don't need to use the formula at all with the PA ports, all you have to do is use the trailing number.

                                      T 1 Reply Last reply
                                      0
                                      • M mihai.aldea

                                        @Tag said:

                                        Made some progress. first I created this table based on this page: http://linux-sunxi.org/GPIO

                                        Pin - Num - Name - Calculated value
                                        CE / 22 / PA02 / 482
                                        SCK / 23 / PA14 / 494
                                        MISO / 21 / PA16 / 496
                                        CSN / 24 / PA13 / 493
                                        MOSI / 19 / PA15 / 495

                                        Are you sure this is correct?
                                        The formula is: (position of letter in alphabet - 1) * 32 + pin number
                                        For PA02 for instance the correct value is:
                                        PA02 = (1 - 1) * 32 + 02 = 2

                                        Actually you don't need to use the formula at all with the PA ports, all you have to do is use the trailing number.

                                        T Offline
                                        T Offline
                                        Tag
                                        wrote on last edited by
                                        #52

                                        @mihai.aldea

                                        You are right, took the letter P, which is 16.... but is should have been A.... (for the 4.x kernel)
                                        Updated the table!,

                                        Thx!!

                                        M 1 Reply Last reply
                                        0
                                        • R Offline
                                          R Offline
                                          Reza
                                          wrote on last edited by Reza
                                          #53

                                          i have problem in build gateway on orangepi one

                                          root@OrangePI:~/marceloaqno-spidev# make
                                          Makefile:16: Makefile.inc: No such file or directory
                                          [Running configure]
                                          [SECTION] Detecting target machine.
                                            [OK] machine detected: SoC=H3, Type=unknown, CPU=armv7l.
                                          [SECTION] Detecting SPI driver.
                                            [OK] SPI driver detected:SPIDEV.
                                          [SECTION] Detecting init system.
                                            [OK] init system detected: systemd.
                                          [SECTION] Saving configuration.
                                          [OK] Finished.
                                          gcc -MT build/drivers/Linux/log.o -MMD -MP -march=armv8-a -mtune=cortex-a53 -mfpu=neon-vfpv4 -mfloat-abi=hard -DMY_RADIO_NRF24 -DMY_GATEWAY_LINUX -DMY_DEBUG -DLINUX_SPI_SPIDEV  -Ofast -g -Wall -Wextra  -I. -I./core -I./drivers/Linux -I./drivers/SPIDEV -c drivers/Linux/log.c -o build/drivers/Linux/log.o
                                          g++ -MT build/drivers/Linux/IPAddress.o -MMD -MP -march=armv8-a -mtune=cortex-a53 -mfpu=neon-vfpv4 -mfloat-abi=hard -DMY_RADIO_NRF24 -DMY_GATEWAY_LINUX -DMY_DEBUG -DLINUX_SPI_SPIDEV  -Ofast -g -Wall -Wextra  -I. -I./core -I./drivers/Linux -I./drivers/SPIDEV -c drivers/Linux/IPAddress.cpp -o build/drivers/Linux/IPAddress.o
                                          g++ -MT build/drivers/Linux/noniso.o -MMD -MP -march=armv8-a -mtune=cortex-a53 -mfpu=neon-vfpv4 -mfloat-abi=hard -DMY_RADIO_NRF24 -DMY_GATEWAY_LINUX -DMY_DEBUG -DLINUX_SPI_SPIDEV  -Ofast -g -Wall -Wextra  -I. -I./core -I./drivers/Linux -I./drivers/SPIDEV -c drivers/Linux/noniso.cpp -o build/drivers/Linux/noniso.o
                                          g++ -MT build/drivers/Linux/GPIO.o -MMD -MP -march=armv8-a -mtune=cortex-a53 -mfpu=neon-vfpv4 -mfloat-abi=hard -DMY_RADIO_NRF24 -DMY_GATEWAY_LINUX -DMY_DEBUG -DLINUX_SPI_SPIDEV  -Ofast -g -Wall -Wextra  -I. -I./core -I./drivers/Linux -I./drivers/SPIDEV -c drivers/Linux/GPIO.cpp -o build/drivers/Linux/GPIO.o
                                          g++ -MT build/drivers/Linux/Print.o -MMD -MP -march=armv8-a -mtune=cortex-a53 -mfpu=neon-vfpv4 -mfloat-abi=hard -DMY_RADIO_NRF24 -DMY_GATEWAY_LINUX -DMY_DEBUG -DLINUX_SPI_SPIDEV  -Ofast -g -Wall -Wextra  -I. -I./core -I./drivers/Linux -I./drivers/SPIDEV -c drivers/Linux/Print.cpp -o build/drivers/Linux/Print.o
                                          g++ -MT build/drivers/Linux/EthernetClient.o -MMD -MP -march=armv8-a -mtune=cortex-a53 -mfpu=neon-vfpv4 -mfloat-abi=hard -DMY_RADIO_NRF24 -DMY_GATEWAY_LINUX -DMY_DEBUG -DLINUX_SPI_SPIDEV  -Ofast -g -Wall -Wextra  -I. -I./core -I./drivers/Linux -I./drivers/SPIDEV -c drivers/Linux/EthernetClient.cpp -o build/drivers/Linux/EthernetClient.o
                                          g++ -MT build/drivers/Linux/SerialPort.o -MMD -MP -march=armv8-a -mtune=cortex-a53 -mfpu=neon-vfpv4 -mfloat-abi=hard -DMY_RADIO_NRF24 -DMY_GATEWAY_LINUX -DMY_DEBUG -DLINUX_SPI_SPIDEV  -Ofast -g -Wall -Wextra  -I. -I./core -I./drivers/Linux -I./drivers/SPIDEV -c drivers/Linux/SerialPort.cpp -o build/drivers/Linux/SerialPort.o
                                          g++ -MT build/drivers/Linux/Stream.o -MMD -MP -march=armv8-a -mtune=cortex-a53 -mfpu=neon-vfpv4 -mfloat-abi=hard -DMY_RADIO_NRF24 -DMY_GATEWAY_LINUX -DMY_DEBUG -DLINUX_SPI_SPIDEV  -Ofast -g -Wall -Wextra  -I. -I./core -I./drivers/Linux -I./drivers/SPIDEV -c drivers/Linux/Stream.cpp -o build/drivers/Linux/Stream.o
                                          g++ -MT build/drivers/Linux/compatibility.o -MMD -MP -march=armv8-a -mtune=cortex-a53 -mfpu=neon-vfpv4 -mfloat-abi=hard -DMY_RADIO_NRF24 -DMY_GATEWAY_LINUX -DMY_DEBUG -DLINUX_SPI_SPIDEV  -Ofast -g -Wall -Wextra  -I. -I./core -I./drivers/Linux -I./drivers/SPIDEV -c drivers/Linux/compatibility.cpp -o build/drivers/Linux/compatibility.o
                                          g++ -MT build/drivers/Linux/interrupt.o -MMD -MP -march=armv8-a -mtune=cortex-a53 -mfpu=neon-vfpv4 -mfloat-abi=hard -DMY_RADIO_NRF24 -DMY_GATEWAY_LINUX -DMY_DEBUG -DLINUX_SPI_SPIDEV  -Ofast -g -Wall -Wextra  -I. -I./core -I./drivers/Linux -I./drivers/SPIDEV -c drivers/Linux/interrupt.cpp -o build/drivers/Linux/interrupt.o
                                          drivers/Linux/interrupt.cpp: In function ‘void* interruptHandler(void*)’:
                                          drivers/Linux/interrupt.cpp:107:26: warning: ignoring return value of ‘ssize_t read(int, void*, size_t)’, declared with attribute warn_unused_result [-Wunused-result]
                                             (void)read (fd, &c, 1) ;
                                                                    ^
                                          g++ -MT build/drivers/Linux/SoftEeprom.o -MMD -MP -march=armv8-a -mtune=cortex-a53 -mfpu=neon-vfpv4 -mfloat-abi=hard -DMY_RADIO_NRF24 -DMY_GATEWAY_LINUX -DMY_DEBUG -DLINUX_SPI_SPIDEV  -Ofast -g -Wall -Wextra  -I. -I./core -I./drivers/Linux -I./drivers/SPIDEV -c drivers/Linux/SoftEeprom.cpp -o build/drivers/Linux/SoftEeprom.o
                                          g++ -MT build/drivers/Linux/EthernetServer.o -MMD -MP -march=armv8-a -mtune=cortex-a53 -mfpu=neon-vfpv4 -mfloat-abi=hard -DMY_RADIO_NRF24 -DMY_GATEWAY_LINUX -DMY_DEBUG -DLINUX_SPI_SPIDEV  -Ofast -g -Wall -Wextra  -I. -I./core -I./drivers/Linux -I./drivers/SPIDEV -c drivers/Linux/EthernetServer.cpp -o build/drivers/Linux/EthernetServer.o
                                          g++ -MT build/examples_linux/mysgw.o -MMD -MP -march=armv8-a -mtune=cortex-a53 -mfpu=neon-vfpv4 -mfloat-abi=hard -DMY_RADIO_NRF24 -DMY_GATEWAY_LINUX -DMY_DEBUG -DLINUX_SPI_SPIDEV  -Ofast -g -Wall -Wextra  -I. -I./core -I./drivers/Linux -I./drivers/SPIDEV -c examples_linux/mysgw.cpp -o build/examples_linux/mysgw.o
                                          In file included from ./MySensors.h:294:0,
                                                           from examples_linux/mysgw.cpp:74:
                                          ./drivers/RF24/RF24.cpp:39:11: error: Not supported on this platform.
                                            hwDigitalWrite(MY_RF24_CS_PIN, level);
                                                     ^
                                          ./drivers/RF24/RF24.cpp:44:11: error: Not supported on this platform.
                                            hwDigitalWrite(MY_RF24_CE_PIN, level);
                                                     ^
                                          ./drivers/RF24/RF24.cpp:388:11: error: Not supported on this platform.
                                            hwPinMode(MY_RF24_CE_PIN,OUTPUT);
                                                     ^
                                          ./drivers/RF24/RF24.cpp:389:11: error: Not supported on this platform.
                                            hwPinMode(MY_RF24_CS_PIN,OUTPUT);
                                                     ^
                                          ./drivers/RF24/RF24.cpp:37:32: warning: unused parameter ‘level’ [-Wunused-parameter]
                                           LOCAL void RF24_csn(const bool level)
                                                                          ^
                                          ./drivers/RF24/RF24.cpp:42:31: warning: unused parameter ‘level’ [-Wunused-parameter]
                                           LOCAL void RF24_ce(const bool level)
                                                                         ^
                                          ./drivers/RF24/RF24.cpp: In function ‘uint8_t RF24_spiMultiByteTransfer(uint8_t, uint8_t*, uint8_t, bool)’:
                                          ./drivers/RF24/RF24.cpp:56:11: error: ‘LOW’ was not declared in this scope
                                            RF24_csn(LOW);
                                                     ^
                                          ./drivers/RF24/RF24.cpp:99:11: error: ‘HIGH’ was not declared in this scope
                                            RF24_csn(HIGH);
                                                     ^
                                          ./drivers/RF24/RF24.cpp: In function ‘void RF24_startListening()’:
                                          ./drivers/RF24/RF24.cpp:235:10: error: ‘HIGH’ was not declared in this scope
                                            RF24_ce(HIGH);
                                                    ^
                                          ./drivers/RF24/RF24.cpp: In function ‘void RF24_stopListening()’:
                                          ./drivers/RF24/RF24.cpp:241:10: error: ‘LOW’ was not declared in this scope
                                            RF24_ce(LOW);
                                                    ^
                                          ./drivers/RF24/RF24.cpp: In function ‘void RF24_powerDown()’:
                                          ./drivers/RF24/RF24.cpp:251:10: error: ‘LOW’ was not declared in this scope
                                            RF24_ce(LOW);
                                                    ^
                                          ./drivers/RF24/RF24.cpp: In function ‘bool RF24_sendMessage(uint8_t, const void*, uint8_t)’:
                                          ./drivers/RF24/RF24.cpp:269:10: error: ‘HIGH’ was not declared in this scope
                                            RF24_ce(HIGH);
                                                    ^
                                          ./drivers/RF24/RF24.cpp:276:10: error: ‘LOW’ was not declared in this scope
                                            RF24_ce(LOW);
                                                    ^
                                          ./drivers/RF24/RF24.cpp: In function ‘bool RF24_initialize()’:
                                          ./drivers/RF24/RF24.cpp:395:10: error: ‘LOW’ was not declared in this scope
                                            RF24_ce(LOW);
                                                    ^
                                          ./drivers/RF24/RF24.cpp:396:11: error: ‘HIGH’ was not declared in this scope
                                            RF24_csn(HIGH);
                                                     ^
                                          Makefile:114: recipe for target 'build/examples_linux/mysgw.o' failed
                                          make: *** [build/examples_linux/mysgw.o] Error 1
                                          root@OrangePI:~/marceloaqno-spidev#
                                          
                                          

                                          i want build a gateway with orangepi one with channel 0 . what am i do ? thank you

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