Error in building process in Simulink Coder for arduino

Hello,

Im getting this error while trying to build my model...the code is generated but i cant figure out this error...can you please help me sort it out?

### Generating code into build folder: C:\Users\me\Desktop\trial\demo_arfuzzy3a_ert_rtw ### Invoking Target Language Compiler on demo_arfuzzy3a.rtw ### Using System Target File: C:\Program Files\MATLAB\R2018a\rtw\c\ert\ert.tlc ### Loading TLC function libraries ### Generating TLC interface API for custom data . ### Initial pass through model to cache user defined code ### Caching model source code ............................................................................... .................................... ### Writing header file demo_arfuzzy3a.h ### Writing source file demo_arfuzzy3a.c . ### Writing header file rtwtypes.h ### Writing header file rtmodel.h ### Writing source file ert_main.c ### TLC code generation complete. ### Evaluating PostCodeGenCommand specified in the model ### Using toolchain: Arduino AVR v1.8.1 | gmake (64-bit Windows) ### 'C:\Users\me\Desktop\trial\demo_arfuzzy3a_ert_rtw\demo_arfuzzy3a.mk' is up to date ### Building 'demo_arfuzzy3a': "C:\PROGRA~1\MATLAB\R2018a\bin\win64\gmake" -f demo_arfuzzy3a.mk all C:\Users\me\Desktop\trial\demo_arfuzzy3a_ert_rtw>cd . C:\Users\me\Desktop\trial\demo_arfuzzy3a_ert_rtw>if "" == "" ("C:\PROGRA~1\MATLAB\R2018a\bin\win64\gmake" -f demo_arfuzzy3a.mk all ) else ("C:\PROGRA~1\MATLAB\R2018a\bin\win64\gmake" -f demo_arfuzzy3a.mk ) C:/ProgramData/MATLAB/SupportPackages/R2018a/3P.instrset/arduinoide.instrset/arduino-1.8.1/hardware/tools/avr/bin/avr-g++ -std=gnu++11 -fpermissive -fno-exceptions -fno-threadsafe-statics -c -g -w -ffunction-sections -fdata-sections -MMD -DARDUINO=10801 -MMD -MP -MF"MW_SerialWrite.dep" -MT"MW_SerialWrite.o" -Os -mmcu=atmega2560 -DF_CPU=16000000L -DARDUINO_AVR_MEGA2560 -DARDUINO_ARCH_AVR -D_RUNONTARGETHARDWARE_BUILD_ -D_ROTH_MEGA2560_ -D_RTT_USE_SERIAL1_ -D_RTT_USE_SERIAL0_ -DMODEL=demo_arfuzzy3a -DNUMST=3 -DNCSTATES=3 -DHAVESTDIO -DMODEL_HAS_DYNAMICALLY_LOADED_SFCNS=0 -DCLASSIC_INTERFACE=0 -DALLOCATIONFCN=0 -DTID01EQ=1 -DTERMFCN=0 -DONESTEPFCN=1 -DMAT_FILE=0 -DMULTI_INSTANCE_CODE=1 -DINTEGER_CODE=0 -DMT=1 -DEXIT_FAILURE=1 -DEXTMODE_DISABLEPRINTF -DEXTMODE_DISABLETESTING -DEXTMODE_DISABLE_ARGS_PROCESSING=1 -DSTACK_SIZE=64 -D__MW_TARGET_USE_HARDWARE_RESOURCES_H__ -DRT -DMW_TIMERID=5 -DMW_PRESCALAR=256 -DMW_TIMERCOUNT=59286 -DMW_SCHEDULERCOUNTER=1 -D_RTT_BAUDRATE_SERIAL0_=9600 -D_RTT_BAUDRATE_SERIAL1_=9600 -D_RTT_BAUDRATE_SERIAL2_=9600 -D_RTT_BAUDRATE_SERIAL3_=9600 -D_RTT_ANALOG_REF_=0 -DCLASSIC_INTERFACE=0 -DALLOCATIONFCN=0 -DTERMFCN=0 -DONESTEPFCN=1 -DMAT_FILE=0 -DMULTI_INSTANCE_CODE=1 -DINTEGER_CODE=0 -DMT=1 -DTID01EQ=1 -DEXIT_FAILURE=1 -DEXTMODE_DISABLEPRINTF -DEXTMODE_DISABLETESTING -DEXTMODE_DISABLE_ARGS_PROCESSING=1 -DSTACK_SIZE=64 -DRT -DMODEL=demo_arfuzzy3a -DNUMST=3 -DNCSTATES=3 -DHAVESTDIO -DMODEL_HAS_DYNAMICALLY_LOADED_SFCNS=0 -IC:/Users/me/Desktop/trial -IC:/ProgramData/MATLAB/SupportPackages/R2018a/toolbox/target/supportpackages/arduinobase/include -IC:/Users/me/Desktop/trial/demo_arfuzzy3a_ert_rtw -IC:/PROGRA~1/MATLAB/R2018a/extern/include -IC:/PROGRA~1/MATLAB/R2018a/simulink/include -IC:/PROGRA~1/MATLAB/R2018a/rtw/c/src -IC:/PROGRA~1/MATLAB/R2018a/rtw/c/src/ext_mode/common -IC:/PROGRA~1/MATLAB/R2018a/rtw/c/ert -IC:/ProgramData/MATLAB/SupportPackages/R2018a/3P.instrset/arduinoide.instrset/arduino-1.8.1/hardware/arduino/avr/cores/arduino -IC:/ProgramData/MATLAB/SupportPackages/R2018a/3P.instrset/arduinoide.instrset/arduino-1.8.1/hardware/arduino/avr/variants/mega -IC:/ProgramData/MATLAB/SupportPackages/R2018a/toolbox/target/supportpackages/arduinotarget/include -IC:/ProgramData/MATLAB/SupportPackages/R2018a/toolbox/target/supportpackages/arduinotarget/scheduler/include -IC:/ProgramData/MATLAB/SupportPackages/R2018a/3P.instrset/arduinoide.instrset/arduino-1.8.1/hardware/tools/avr/avr/include/avr -IC:/ProgramData/MATLAB/SupportPackages/R2018a/toolbox/target/shared/externalmode_daemon/include -o MW_SerialWrite.o C:/ProgramData/MATLAB/SupportPackages/R2018a/toolbox/target/supportpackages/arduinobase/src/MW_SerialWrite.cpp C:/ProgramData/MATLAB/SupportPackages/R2018a/3P.instrset/arduinoide.instrset/arduino-1.8.1/hardware/tools/avr/bin/avr-g++ -std=gnu++11 -fpermissive -fno-exceptions -fno-threadsafe-statics -c -g -w -ffunction-sections -fdata-sections -MMD -DARDUINO=10801 -MMD -MP -MF"MW_SerialRead.dep" -MT"MW_SerialRead.o" -Os -mmcu=atmega2560 -DF_CPU=16000000L -DARDUINO_AVR_MEGA2560 -DARDUINO_ARCH_AVR -D_RUNONTARGETHARDWARE_BUILD_ -D_ROTH_MEGA2560_ -D_RTT_USE_SERIAL1_ -D_RTT_USE_SERIAL0_ -DMODEL=demo_arfuzzy3a -DNUMST=3 -DNCSTATES=3 -DHAVESTDIO -DMODEL_HAS_DYNAMICALLY_LOADED_SFCNS=0 -DCLASSIC_INTERFACE=0 -DALLOCATIONFCN=0 -DTID01EQ=1 -DTERMFCN=0 -DONESTEPFCN=1 -DMAT_FILE=0 -DMULTI_INSTANCE_CODE=1 -DINTEGER_CODE=0 -DMT=1 -DEXIT_FAILURE=1 -DEXTMODE_DISABLEPRINTF -DEXTMODE_DISABLETESTING -DEXTMODE_DISABLE_ARGS_PROCESSING=1 -DSTACK_SIZE=64 -D__MW_TARGET_USE_HARDWARE_RESOURCES_H__ -DRT -DMW_TIMERID=5 -DMW_PRESCALAR=256 -DMW_TIMERCOUNT=59286 -DMW_SCHEDULERCOUNTER=1 -D_RTT_BAUDRATE_SERIAL0_=9600 -D_RTT_BAUDRATE_SERIAL1_=9600 -D_RTT_BAUDRATE_SERIAL2_=9600 -D_RTT_BAUDRATE_SERIAL3_=9600 -D_RTT_ANALOG_REF_=0 -DCLASSIC_INTERFACE=0 -DALLOCATIONFCN=0 -DTERMFCN=0 -DONESTEPFCN=1 -DMAT_FILE=0 -DMULTI_INSTANCE_CODE=1 -DINTEGER_CODE=0 -DMT=1 -DTID01EQ=1 -DEXIT_FAILURE=1 -DEXTMODE_DISABLEPRINTF -DEXTMODE_DISABLETESTING -DEXTMODE_DISABLE_ARGS_PROCESSING=1 -DSTACK_SIZE=64 -DRT -DMODEL=demo_arfuzzy3a -DNUMST=3 -DNCSTATES=3 -DHAVESTDIO -DMODEL_HAS_DYNAMICALLY_LOADED_SFCNS=0 -IC:/Users/me/Desktop/trial -IC:/ProgramData/MATLAB/SupportPackages/R2018a/toolbox/target/supportpackages/arduinobase/include -IC:/Users/me/Desktop/trial/demo_arfuzzy3a_ert_rtw -IC:/PROGRA~1/MATLAB/R2018a/extern/include -IC:/PROGRA~1/MATLAB/R2018a/simulink/include -IC:/PROGRA~1/MATLAB/R2018a/rtw/c/src -IC:/PROGRA~1/MATLAB/R2018a/rtw/c/src/ext_mode/common -IC:/PROGRA~1/MATLAB/R2018a/rtw/c/ert -IC:/ProgramData/MATLAB/SupportPackages/R2018a/3P.instrset/arduinoide.instrset/arduino-1.8.1/hardware/arduino/avr/cores/arduino -IC:/ProgramData/MATLAB/SupportPackages/R2018a/3P.instrset/arduinoide.instrset/arduino-1.8.1/hardware/arduino/avr/variants/mega -IC:/ProgramData/MATLAB/SupportPackages/R2018a/toolbox/target/supportpackages/arduinotarget/include -IC:/ProgramData/MATLAB/SupportPackages/R2018a/toolbox/target/supportpackages/arduinotarget/scheduler/include -IC:/ProgramData/MATLAB/SupportPackages/R2018a/3P.instrset/arduinoide.instrset/arduino-1.8.1/hardware/tools/avr/avr/include/avr -IC:/ProgramData/MATLAB/SupportPackages/R2018a/toolbox/target/shared/externalmode_daemon/include -o MW_SerialRead.o C:/ProgramData/MATLAB/SupportPackages/R2018a/toolbox/target/supportpackages/arduinobase/src/MW_SerialRead.cpp C:/ProgramData/MATLAB/SupportPackages/R2018a/3P.instrset/arduinoide.instrset/arduino-1.8.1/hardware/tools/avr/bin/avr-gcc -std=gnu11 -c -g -w -ffunction-sections -fdata-sections -MMD -DARDUINO=10801 -MMD -MP -MF"demo_arfuzzy3a.dep" -MT"demo_arfuzzy3a.o" -Os -mmcu=atmega2560 -DF_CPU=16000000L -DARDUINO_AVR_MEGA2560 -DARDUINO_ARCH_AVR -D_RUNONTARGETHARDWARE_BUILD_ -D_ROTH_MEGA2560_ -D_RTT_USE_SERIAL1_ -D_RTT_USE_SERIAL0_ -DMODEL=demo_arfuzzy3a -DNUMST=3 -DNCSTATES=3 -DHAVESTDIO -DMODEL_HAS_DYNAMICALLY_LOADED_SFCNS=0 -DCLASSIC_INTERFACE=0 -DALLOCATIONFCN=0 -DTID01EQ=1 -DTERMFCN=0 -DONESTEPFCN=1 -DMAT_FILE=0 -DMULTI_INSTANCE_CODE=1 -DINTEGER_CODE=0 -DMT=1 -DEXIT_FAILURE=1 -DEXTMODE_DISABLEPRINTF -DEXTMODE_DISABLETESTING -DEXTMODE_DISABLE_ARGS_PROCESSING=1 -DSTACK_SIZE=64 -D__MW_TARGET_USE_HARDWARE_RESOURCES_H__ -DRT -DMW_TIMERID=5 -DMW_PRESCALAR=256 -DMW_TIMERCOUNT=59286 -DMW_SCHEDULERCOUNTER=1 -D_RTT_BAUDRATE_SERIAL0_=9600 -D_RTT_BAUDRATE_SERIAL1_=9600 -D_RTT_BAUDRATE_SERIAL2_=9600 -D_RTT_BAUDRATE_SERIAL3_=9600 -D_RTT_ANALOG_REF_=0 -DCLASSIC_INTERFACE=0 -DALLOCATIONFCN=0 -DTERMFCN=0 -DONESTEPFCN=1 -DMAT_FILE=0 -DMULTI_INSTANCE_CODE=1 -DINTEGER_CODE=0 -DMT=1 -DTID01EQ=1 -DEXIT_FAILURE=1 -DEXTMODE_DISABLEPRINTF -DEXTMODE_DISABLETESTING -DEXTMODE_DISABLE_ARGS_PROCESSING=1 -DSTACK_SIZE=64 -DRT -DMODEL=demo_arfuzzy3a -DNUMST=3 -DNCSTATES=3 -DHAVESTDIO -DMODEL_HAS_DYNAMICALLY_LOADED_SFCNS=0 -IC:/Users/me/Desktop/trial -IC:/ProgramData/MATLAB/SupportPackages/R2018a/toolbox/target/supportpackages/arduinobase/include -IC:/Users/me/Desktop/trial/demo_arfuzzy3a_ert_rtw -IC:/PROGRA~1/MATLAB/R2018a/extern/include -IC:/PROGRA~1/MATLAB/R2018a/simulink/include -IC:/PROGRA~1/MATLAB/R2018a/rtw/c/src -IC:/PROGRA~1/MATLAB/R2018a/rtw/c/src/ext_mode/common -IC:/PROGRA~1/MATLAB/R2018a/rtw/c/ert -IC:/ProgramData/MATLAB/SupportPackages/R2018a/3P.instrset/arduinoide.instrset/arduino-1.8.1/hardware/arduino/avr/cores/arduino -IC:/ProgramData/MATLAB/SupportPackages/R2018a/3P.instrset/arduinoide.instrset/arduino-1.8.1/hardware/arduino/avr/variants/mega -IC:/ProgramData/MATLAB/SupportPackages/R2018a/toolbox/target/supportpackages/arduinotarget/include -IC:/ProgramData/MATLAB/SupportPackages/R2018a/toolbox/target/supportpackages/arduinotarget/scheduler/include -IC:/ProgramData/MATLAB/SupportPackages/R2018a/3P.instrset/arduinoide.instrset/arduino-1.8.1/hardware/tools/avr/avr/include/avr -IC:/ProgramData/MATLAB/SupportPackages/R2018a/toolbox/target/shared/externalmode_daemon/include -o demo_arfuzzy3a.o demo_arfuzzy3a.c C:/ProgramData/MATLAB/SupportPackages/R2018a/3P.instrset/arduinoide.instrset/arduino-1.8.1/hardware/tools/avr/bin/avr-gcc -std=gnu11 -c -g -w -ffunction-sections -fdata-sections -MMD -DARDUINO=10801 -MMD -MP -MF"ert_main.dep" -MT"ert_main.o" -Os -mmcu=atmega2560 -DF_CPU=16000000L -DARDUINO_AVR_MEGA2560 -DARDUINO_ARCH_AVR -D_RUNONTARGETHARDWARE_BUILD_ -D_ROTH_MEGA2560_ -D_RTT_USE_SERIAL1_ -D_RTT_USE_SERIAL0_ -DMODEL=demo_arfuzzy3a -DNUMST=3 -DNCSTATES=3 -DHAVESTDIO -DMODEL_HAS_DYNAMICALLY_LOADED_SFCNS=0 -DCLASSIC_INTERFACE=0 -DALLOCATIONFCN=0 -DTID01EQ=1 -DTERMFCN=0 -DONESTEPFCN=1 -DMAT_FILE=0 -DMULTI_INSTANCE_CODE=1 -DINTEGER_CODE=0 -DMT=1 -DEXIT_FAILURE=1 -DEXTMODE_DISABLEPRINTF -DEXTMODE_DISABLETESTING -DEXTMODE_DISABLE_ARGS_PROCESSING=1 -DSTACK_SIZE=64 -D__MW_TARGET_USE_HARDWARE_RESOURCES_H__ -DRT -DMW_TIMERID=5 -DMW_PRESCALAR=256 -DMW_TIMERCOUNT=59286 -DMW_SCHEDULERCOUNTER=1 -D_RTT_BAUDRATE_SERIAL0_=9600 -D_RTT_BAUDRATE_SERIAL1_=9600 -D_RTT_BAUDRATE_SERIAL2_=9600 -D_RTT_BAUDRATE_SERIAL3_=9600 -D_RTT_ANALOG_REF_=0 -DCLASSIC_INTERFACE=0 -DALLOCATIONFCN=0 -DTERMFCN=0 -DONESTEPFCN=1 -DMAT_FILE=0 -DMULTI_INSTANCE_CODE=1 -DINTEGER_CODE=0 -DMT=1 -DTID01EQ=1 -DEXIT_FAILURE=1 -DEXTMODE_DISABLEPRINTF -DEXTMODE_DISABLETESTING -DEXTMODE_DISABLE_ARGS_PROCESSING=1 -DSTACK_SIZE=64 -DRT -DMODEL=demo_arfuzzy3a -DNUMST=3 -DNCSTATES=3 -DHAVESTDIO -DMODEL_HAS_DYNAMICALLY_LOADED_SFCNS=0 -IC:/Users/me/Desktop/trial -IC:/ProgramData/MATLAB/SupportPackages/R2018a/toolbox/target/supportpackages/arduinobase/include -IC:/Users/me/Desktop/trial/demo_arfuzzy3a_ert_rtw -IC:/PROGRA~1/MATLAB/R2018a/extern/include -IC:/PROGRA~1/MATLAB/R2018a/simulink/include -IC:/PROGRA~1/MATLAB/R2018a/rtw/c/src -IC:/PROGRA~1/MATLAB/R2018a/rtw/c/src/ext_mode/common -IC:/PROGRA~1/MATLAB/R2018a/rtw/c/ert -IC:/ProgramData/MATLAB/SupportPackages/R2018a/3P.instrset/arduinoide.instrset/arduino-1.8.1/hardware/arduino/avr/cores/arduino -IC:/ProgramData/MATLAB/SupportPackages/R2018a/3P.instrset/arduinoide.instrset/arduino-1.8.1/hardware/arduino/avr/variants/mega -IC:/ProgramData/MATLAB/SupportPackages/R2018a/toolbox/target/supportpackages/arduinotarget/include -IC:/ProgramData/MATLAB/SupportPackages/R2018a/toolbox/target/supportpackages/arduinotarget/scheduler/include -IC:/ProgramData/MATLAB/SupportPackages/R2018a/3P.instrset/arduinoide.instrset/arduino-1.8.1/hardware/tools/avr/avr/include/avr -IC:/ProgramData/MATLAB/SupportPackages/R2018a/toolbox/target/shared/externalmode_daemon/include -o ert_main.o ert_main.c ert_main.c:251:6: error: conflicting types for 'rt_OneStep' void rt_OneStep(RT_MODEL *rtM) ^ In file included from MW_target_hardware_resources.h:8:0, from demo_arfuzzy3a.h:35, from ert_main.c:18: C:/ProgramData/MATLAB/SupportPackages/R2018a/toolbox/target/supportpackages/arduinotarget/scheduler/include/arduinoAVRScheduler.h:17:6: note: previous declaration of 'rt_OneStep' was here void rt_OneStep(void); ^ In file included from ert_main.c:18:0: ert_main.c: In function 'main': ert_main.c:342:21: error: 'rtM' undeclared (first use in this function) rtmSetErrorStatus(rtM, 0); ^ demo_arfuzzy3a.h:147:42: note: in definition of macro 'rtmSetErrorStatus' # define rtmSetErrorStatus(rtm, val) ((rtm)->errorStatus = (val)) ^ ert_main.c:342:21: note: each undeclared identifier is reported only once for each function it appears in rtmSetErrorStatus(rtM, 0); ^ demo_arfuzzy3a.h:147:42: note: in definition of macro 'rtmSetErrorStatus' # define rtmSetErrorStatus(rtm, val) ((rtm)->errorStatus = (val)) ^ gmake: *** [ert_main.o] Error 1 C:\Users\me\Desktop\trial\demo_arfuzzy3a_ert_rtw>echo The make command returned an error of 2 The make command returned an error of 2 C:\Users\me\Desktop\trial\demo_arfuzzy3a_ert_rtw>An_error_occurred_during_the_call_to_make 'An_error_occurred_during_the_call_to_make' is not recognized as an internal or external command, operable program or batch file. ### Creating HTML report file demo_arfuzzy3a_codegen_rpt.html

### Build procedure for model: 'demo_arfuzzy3a' aborted due to an error.

Error(s) encountered while building "demo_arfuzzy3a": ### Failed to generate all binary outputs.

Component:Simulink | Category:Block diagram error