Hi David, I'm glad to help!
More people could want this feature, so it is important to fix. Best Regards, Alan On Tuesday, April 23, 2024, David Welshon <david.wels...@gmail.com> wrote: > Thank you btw! > > On Tue, Apr 23, 2024 at 9:22 PM David Welshon <david.wels...@gmail.com> > wrote: > > > I can help test. I'll have to get a device tomorrow from work first. > I'll > > let you know when I have it setup. > > > > On Tue, Apr 23, 2024 at 8:09 PM Alan C. Assis <acas...@gmail.com> wrote: > > > >> David, > >> > >> I fixed the header, but it seems someone did a partial port of > FreeModbus, > >> it is missing many functions for modbus ASCII: > >> > >> mb_m.c: In function 'eMBMasterInit': > >> mb_m.c:176:33: error: 'eMBMasterASCIIStart' undeclared (first use in > this > >> function); did you mean 'eMBMasterTCPInit'? > >> 176 | pvMBMasterFrameStartCur = eMBMasterASCIIStart; > >> | ^~~~~~~~~~~~~~~~~~~ > >> | eMBMasterTCPInit > >> mb_m.c:176:33: note: each undeclared identifier is reported only once > for > >> each function it appears in > >> IN: libs/libc/libc.a -> staging/libc.a mb_m.c:177:32: error: > >> 'eMBMasterASCIIStop' undeclared (first use in this function) > >> 177 | pvMBMasterFrameStopCur = eMBMasterASCIIStop; > >> | ^~~~~~~~~~~~~~~~~~ > >> mb_m.c:178:32: error: 'eMBMasterASCIISend' undeclared (first use in this > >> function); did you mean 'eMBMasterClose'? > >> 178 | peMBMasterFrameSendCur = eMBMasterASCIISend; > >> | ^~~~~~~~~~~~~~~~~~ > >> | eMBMasterClose > >> mb_m.c:179:35: error: 'eMBMasterASCIIReceive' undeclared (first use in > >> this > >> function); did you mean 'peMBMasterFrameReceiveCur'? > >> 179 | peMBMasterFrameReceiveCur = eMBMasterASCIIReceive; > >> | ^~~~~~~~~~~~~~~~~~~~~ > >> | peMBMasterFrameReceiveCur > >> mb_m.c:181:39: error: 'xMBMasterASCIIReceiveFSM' undeclared (first use > in > >> this function) > >> 181 | pxMBMasterFrameCBByteReceived = xMBMasterASCIIReceiveFSM; > >> | ^~~~~~~~~~~~~~~~~~~~~~~~ > >> mb_m.c:182:43: error: 'xMBMasterASCIITransmitFSM' undeclared (first use > in > >> this function); did you mean 'pxMBMasterFrameCBTransmitFSMCur'? > >> 182 | pxMBMasterFrameCBTransmitterEmpty = > >> xMBMasterASCIITransmitFSM; > >> | > >> ^~~~~~~~~~~~~~~~~~~~~~~~~ > >> | > >> pxMBMasterFrameCBTransmitFSMCur > >> mb_m.c:183:38: error: 'xMBMasterASCIITimerT1SExpired' undeclared (first > >> use > >> in this function) > >> 183 | pxMBMasterPortCBTimerExpired = > >> xMBMasterASCIITimerT1SExpired; > >> | > ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > >> mb_m.c:185:17: warning: implicit declaration of function > >> 'eMBMasterASCIIInit'; did you mean 'eMBMasterTCPInit'? > >> [-Wimplicit-function-declaration] > >> 185 | eStatus = eMBMasterASCIIInit(ucPort, ulBaudRate, eParity); > >> | ^~~~~~~~~~~~~~~~~~ > >> | eMBMasterTCPInit > >> IN: mm/libmm.a -> staging/libmm.a make[2]: *** > >> [/home/alan/nuttxspace/apps/Application.mk:200: > >> mb_m.c.home.alan.nuttxspace.apps.modbus.o] Error 1 > >> make[2]: *** Waiting for unfinished jobs.... > >> make[1]: *** [Makefile:51: /home/alan/nuttxspace/apps/modbus_all] > Error 2 > >> make: *** [tools/LibTargets.mk:232: /home/alan/nuttxspace/apps/ > libapps.a] > >> Error 2 > >> > >> I think those functions should be copied from the original project and > >> added. > >> > >> I don't have a device with Modbus ASCII to test, but if you want to help > >> testing I can implement it. > >> > >> Best Regards, > >> > >> Alan > >> > >> On Tue, Apr 23, 2024 at 8:19 PM David Welshon <david.wels...@gmail.com> > >> wrote: > >> > >> > now it can't find the header file it seems > >> > > >> > make[2]: Entering directory '/home/david/nuttxspace/apps/modbus' > >> > > >> > CC: mb_m.c > >> > > >> > arm-none-eabi-gcc -c -Wstrict-prototypes -Wno-attributes > >> > -Wno-unknown-pragmas -Wno-psabi -Os -fno-strict-aliasing > >> > -fomit-frame-pointer -fno-common -Wall -Wshadow -Wundef > >> -ffunction-sections > >> > -fdata-sections -mlittle-endian -march=armv7e-m -mtune=cortex-m4 > >> > -mfloat-abi=soft -mthumb -Wa,-mthumb -Wa,-mimplicit-it=always -isystem > >> > /home/david/nuttxspace/nuttx/include -D__NuttX__ -DNDEBUG -pipe -I > >> > "/home/david/nuttxspace/apps/include" -I > >> > /home/david/nuttxspace/apps/modbus/functions -I > >> > /home/david/nuttxspace/apps/modbus/nuttx mb_m.c -o > >> > mb_m.c.home.david.nuttxspace.apps.modbus.o > >> > > >> > mb_m.c:54:12: fatal error: mbascii.h: No such file or directory > >> > > >> > 54 | # include "mbascii.h" > >> > > >> > | ^~~~~~~~~~~ > >> > > >> > compilation terminated. > >> > > >> > make[2]: *** [/home/david/nuttxspace/apps/Application.mk:200: > >> > mb_m.c.home.david.nuttxspace.apps.modbus.o] Error 1 > >> > > >> > make[2]: Leaving directory '/home/david/nuttxspace/apps/modbus' > >> > > >> > make[1]: *** [Makefile:51: /home/david/nuttxspace/apps/modbus_all] > >> Error 2 > >> > > >> > make: *** [tools/LibTargets.mk:232: > >> /home/david/nuttxspace/apps/libapps.a] > >> > Error 2 > >> > > >> > make[1]: Leaving directory '/home/david/nuttxspace/apps' > >> > > >> > "make all" terminated with exit code 2. Build might be incomplete. > >> > > >> > On Tue, Apr 23, 2024 at 6:21 PM Alan C. Assis <acas...@gmail.com> > >> wrote: > >> > > >> > > Whoa, you are totally right! > >> > > > >> > > Currently it is this way: > >> > > > >> > > ifeq ($(CONFIG_MODBUS_SLAVE),y) > >> > > CSRCS += mb.c > >> > > endif > >> > > > >> > > ifeq ($(CONFIG_MB_RTU_MASTER),y) > >> > > CSRCS += mb_m.c > >> > > endif > >> > > > >> > > But I think it should be: > >> > > > >> > > ifeq ($(CONFIG_MODBUS),y) > >> > > > >> > > ifeq ($(CONFIG_MODBUS_SLAVE),y) > >> > > CSRCS += mb.c > >> > > endif > >> > > > >> > > ifeq ($(CONFIG_MODBUS_MASTER),y) > >> > > CSRCS += mb_m.c > >> > > endif > >> > > > >> > > Please test with this modification and let us know. > >> > > > >> > > BR, > >> > > > >> > > Alan > >> > > > >> > > On Tue, Apr 23, 2024 at 6:24 PM David Welshon < > >> david.wels...@gmail.com> > >> > > wrote: > >> > > > >> > > > HI Alan. > >> > > > > >> > > > The problem is my hardware is using the ASCII protocol. When I > >> > disabled > >> > > > ASCII and enabled RTU it compiled. What I would like is ASCII > >> > protocol. > >> > > > It seems like mb_m.c is for modbus master and something like the > >> > > following > >> > > > should be in the makefile in the modbus folder but I could be > >> wrong. I > >> > > will > >> > > > try to follow the trail later > >> > > > > >> > > > ifeq ($(CONFIG_MB_ASCII_MASTER),y) > >> > > > > >> > > > CSRCS += mb_m.c > >> > > > > >> > > > endif > >> > > > > >> > > > > >> > > > > >> > > > > >> > > > On Tue, Apr 23, 2024 at 4:58 PM Alan C. Assis <acas...@gmail.com> > >> > wrote: > >> > > > > >> > > > > Hi David, > >> > > > > > >> > > > > Actually ASCII and RTU enable equivalent/symetric functions. > >> > > > > > >> > > > > If you search for CONFIG_MB_ASCII_MASTER inside apps/modbus/ you > >> will > >> > > see > >> > > > > it just calls the ASCII related functions. > >> > > > > The config for RTU will call the binary (RTU) related functions. > >> > > > > > >> > > > > Try to disable ASCII master and enable RTU master to confirm. > >> > > > > > >> > > > > BR, > >> > > > > > >> > > > > Alan > >> > > > > > >> > > > > On Tue, Apr 23, 2024 at 4:46 PM David Welshon < > >> > david.wels...@gmail.com > >> > > > > >> > > > > wrote: > >> > > > > > >> > > > > > When I changed from Modbus ASCII master selected to MOdbus RTU > >> > master > >> > > > it > >> > > > > > compiled. > >> > > > > > Is there extra configuration required for ASCII? > >> > > > > > > >> > > > > > On Tue, Apr 23, 2024 at 1:38 PM Alan C. Assis < > >> acas...@gmail.com> > >> > > > wrote: > >> > > > > > > >> > > > > > > I just verified the apps/modbus/Makefile and noticed that > >> mb.c is > >> > > > only > >> > > > > > > compiled when CONFIG_MODBUS_SLAVE is selected. > >> > > > > > > > >> > > > > > > It means you are enabling the modbus slave or the modbus > >> example > >> > > > (that > >> > > > > > > assume to be slave). > >> > > > > > > > >> > > > > > > So, don't enable CONFIG_EXAMPLES_MODBUS, only > >> > EXAMPLES_MODBUSMASTER > >> > > > > > > > >> > > > > > > Maybe we need to rename CONFIG_EXAMPLES_MODBUS to > >> > > > > > > CONFIG_EXAMPLES_MODBUSSLAVE. > >> > > > > > > > >> > > > > > > Best Regards, > >> > > > > > > > >> > > > > > > Alan > >> > > > > > > > >> > > > > > > On Tue, Apr 23, 2024 at 2:23 PM David Welshon < > >> > > > david.wels...@gmail.com > >> > > > > > > >> > > > > > > wrote: > >> > > > > > > > >> > > > > > > > Thanks for the help and great videos and articles Alan! > >> > > > > > > > I just went through the video tutorial again. > Unfortunately, > >> > > > > modifying > >> > > > > > my > >> > > > > > > > own config as well as the nucleo-f4x1re:f401-nsh > >> > configurations > >> > > > per > >> > > > > > the > >> > > > > > > > video still can't find the functions > >> > > > > > > > > >> > > > > > > > On Tue, Apr 23, 2024 at 12:45 PM Alan C. Assis < > >> > > acas...@gmail.com> > >> > > > > > > wrote: > >> > > > > > > > > >> > > > > > > > > Hi David, > >> > > > > > > > > > >> > > > > > > > > These functions are there (see apps/modbus/mb.c for > >> > instance). > >> > > > > > > > > > >> > > > > > > > > Did you follow this video tutorial: > >> > > > > > > > > https://www.youtube.com/watch?v=FmJLrG4Ldow > >> > > > > > > > > > >> > > > > > > > > Best Regards, > >> > > > > > > > > > >> > > > > > > > > Alan > >> > > > > > > > > > >> > > > > > > > > On Tue, Apr 23, 2024 at 12:41 PM David Welshon < > >> > > > > > > david.wels...@gmail.com> > >> > > > > > > > > wrote: > >> > > > > > > > > > >> > > > > > > > > > I am trying to get modbus mastermode rs485 example > >> working > >> > on > >> > > > > > > > > > nucleo-f4x1re following the example on the youtube > >> channel. > >> > > I > >> > > > am > >> > > > > > > > getting > >> > > > > > > > > > undefined reference errors during linking and am not > >> sure > >> > if > >> > > I > >> > > > > need > >> > > > > > > to > >> > > > > > > > > > modify source or am missing a configuration option. > The > >> > > > device I > >> > > > > > am > >> > > > > > > > > > interacting with is set at a baudrate of 9600 with no > >> > parity > >> > > > > > instead > >> > > > > > > of > >> > > > > > > > > the > >> > > > > > > > > > baudrate in the video. But other than that I believe I > >> > > followed > >> > > > > the > >> > > > > > > > video > >> > > > > > > > > > closely. > >> > > > > > > > > > > >> > > > > > > > > > I started modifying the nsh config up to this point > and > >> > have > >> > > > > > > zerocross > >> > > > > > > > > and > >> > > > > > > > > > gpio working, but I am stuck at the moment on this > rs485 > >> > bit. > >> > > > > > > > Appreciate > >> > > > > > > > > > any help. > >> > > > > > > > > > Also, I have not participated in many mailing lists, > so > >> if > >> > I > >> > > am > >> > > > > in > >> > > > > > > the > >> > > > > > > > > > wrong place or I am breakin any etiquette rules I > >> apologize > >> > > in > >> > > > > > > advance > >> > > > > > > > > and > >> > > > > > > > > > appreciate your help finding any etiquette rules or > >> posts > >> > to > >> > > > > > > straighten > >> > > > > > > > > me > >> > > > > > > > > > out. > >> > > > > > > > > > > >> > > > > > > > > > Attached is my build output and config file and below > >> is a > >> > > > small > >> > > > > > > build > >> > > > > > > > > > output snippet. > >> > > > > > > > > > > >> > > > > > > > > > include -D__NuttX__ -DNDEBUG -D__KERNEL__ -I > >> > > > > > > > > > /home/david/nuttxspace/nuttx/arch/arm/src/chip -I > >> > > > > > > > > > /home/david/nuttxspace/nuttx/arch/arm/src/common -I > >> > > > > > > > > > /home/david/nuttxspace/nuttx/arch/arm/src/armv7-m -I > >> > > > > > > > > > /home/david/nuttxspace/nuttx/sched > >> > > > > > > > > > > >> > > > > > > > > > >> > > > > > > > > >> > > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > >> > > >> /home/david/nuttxspace/nuttx/boards/arm/stm32/nucleo- > f4x1re/scripts/f401re.ld > >> > > > > > > > > > -o > >> > > > > > > > > > > >> > > > > > > > > > >> > > > > > > > > >> > > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > >> > > >> /home/david/nuttxspace/nuttx/boards/arm/stm32/nucleo- > f4x1re/scripts/f401re.ld.tmp > >> > > > > > > > > > > >> > > > > > > > > > echo "LD: nuttx" > >> > > > > > > > > > > >> > > > > > > > > > LD: nuttx > >> > > > > > > > > > > >> > > > > > > > > > arm-none-eabi-ld --entry=__start -nostdlib > --gc-sections > >> > > --cref > >> > > > > > > > > > -Map=/home/david/nuttxspace/nuttx/nuttx.map > >> > > > > > > > > > > >> > > > > > > > > > >> > > > > > > > > >> > > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > >> > > >> -T/home/david/nuttxspace/nuttx/boards/arm/stm32/nucleo- > f4x1re/scripts/f401re.ld.tmp > >> > > > > > > > > > -L /home/david/nuttxspace/nuttx/staging -L > >> > > > > > > > > > /home/david/nuttxspace/nuttx/arch/arm/src/board \ > >> > > > > > > > > > > >> > > > > > > > > > -o /home/david/nuttxspace/nuttx/nuttx \ > >> > > > > > > > > > > >> > > > > > > > > > --start-group -lsched -ldrivers -lboards -lc -lmm > -larch > >> > -lxx > >> > > > > > -lapps > >> > > > > > > > -lfs > >> > > > > > > > > > -lbinfmt -lboard -lboard > >> > > > > > > > > > > >> /usr/lib/gcc/arm-none-eabi/10.3.1/thumb/v7e-m/nofp/libgcc.a > >> > > > > > > > > > > >> > > > > > > > > > >> > > > > > > > > >> > > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > >> > > >> /usr/lib/gcc/arm-none-eabi/10.3.1/../../../arm-none-eabi/ > lib/thumb/v7e-m/nofp/libm.a > >> > > > > > > > > > --end-group > >> > > > > > > > > > > >> > > > > > > > > > arm-none-eabi-ld: > >> > > > > > > > > > > >> > > > > > > > > > >> > > > > > > > > >> > > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > >> > > >> /home/david/nuttxspace/nuttx/staging/libapps.a(modbus_main. > c.home.david.nuttxspace.apps.examples.modbus_1.o): > >> > > > > > > > > > in function `modbus_pollthread': > >> > > > > > > > > > > >> > > > > > > > > > modbus_main.c:(.text.modbus_pollthread+0x56): > undefined > >> > > > reference > >> > > > > > to > >> > > > > > > > > > `eMBInit' > >> > > > > > > > > > > >> > > > > > > > > > arm-none-eabi-ld: > >> > > modbus_main.c:(.text.modbus_pollthread+0x82): > >> > > > > > > > undefined > >> > > > > > > > > > reference to `eMBSetSlaveID' > >> > > > > > > > > > > >> > > > > > > > > > arm-none-eabi-ld: > >> > > modbus_main.c:(.text.modbus_pollthread+0x98): > >> > > > > > > > undefined > >> > > > > > > > > > reference to `eMBClose' > >> > > > > > > > > > > >> > > > > > > > > > arm-none-eabi-ld: > >> > > modbus_main.c:(.text.modbus_pollthread+0x9e): > >> > > > > > > > undefined > >> > > > > > > > > > reference to `eMBEnable' > >> > > > > > > > > > > >> > > > > > > > > > arm-none-eabi-ld: > >> > > modbus_main.c:(.text.modbus_pollthread+0xbe): > >> > > > > > > > undefined > >> > > > > > > > > > reference to `eMBPoll' > >> > > > > > > > > > > >> > > > > > > > > > arm-none-eabi-ld: > >> > > modbus_main.c:(.text.modbus_pollthread+0xc4): > >> > > > > > > > undefined > >> > > > > > > > > > reference to `eMBDisable' > >> > > > > > > > > > > >> > > > > > > > > > arm-none-eabi-ld: > >> > > modbus_main.c:(.text.modbus_pollthread+0xc8): > >> > > > > > > > undefined > >> > > > > > > > > > reference to `eMBClose' > >> > > > > > > > > > > >> > > > > > > > > > make[1]: *** [Makefile:211: nuttx] Error 1 > >> > > > > > > > > > > >> > > > > > > > > > make[1]: Leaving directory > >> > > > > > > '/home/david/nuttxspace/nuttx/arch/arm/src' > >> > > > > > > > > > > >> > > > > > > > > > make: *** [tools/Unix.mk:546: nuttx] Error 2 > >> > > > > > > > > > > >> > > > > > > > > > "make all" terminated with exit code 2. Build might be > >> > > > > incomplete. > >> > > > > > > > > > > >> > > > > > > > > > >> > > > > > > > > >> > > > > > > > >> > > > > > > >> > > > > > >> > > > > >> > > > >> > > >> > > >