Error while generating c code

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I am trying to deploy a simulink model with an s function builder to an arduino. The model was made by someone else and I have little experience with c code. It is causing the error shown below during the code generation process. I believe I don't have the compiler set up correctly but am not sure. Any help on where to look further.

IC:/Users//Documents/MATLAB/Load_Pin_Faker_ert_rtw -IC:/Users//Documents/MATLAB/MCP4728_Test -IC:/PROGRA~1/MATLAB/R2017b/extern/include -IC:/PROGRA~1/MATLAB/R2017b/simulink/include -IC:/PROGRA~1/MATLAB/R2017b/rtw/c/src -IC:/PROGRA~1/MATLAB/R2017b/rtw/c/src/ext_mode/common -IC:/PROGRA~1/MATLAB/R2017b/rtw/c/ert -IC:/ProgramData/MATLAB/SupportPackages/R2017b/3P.instrset/arduinoide.instrset/idepkgs/packages/arduino/hardware/sam/1.6.11/system/libsam -IC:/ProgramData/MATLAB/SupportPackages/R2017b/3P.instrset/arduinoide.instrset/idepkgs/packages/arduino/hardware/sam/1.6.11/system/CMSIS/CMSIS/Include -IC:/ProgramData/MATLAB/SupportPackages/R2017b/3P.instrset/arduinoide.instrset/idepkgs/packages/arduino/hardware/sam/1.6.11/system/CMSIS/Device/ATMEL -IC:/ProgramData/MATLAB/SupportPackages/R2017b/3P.instrset/arduinoide.instrset/idepkgs/packages/arduino/hardware/sam/1.6.11/cores/arduino -IC:/ProgramData/MATLAB/SupportPackages/R2017b/3P.instrset/arduinoide.instrset/idepkgs/packages/arduino/hardware/sam/1.6.11/cores/arduino/avr -IC:/ProgramData/MATLAB/SupportPackages/R2017b/3P.instrset/arduinoide.instrset/idepkgs/packages/arduino/hardware/sam/1.6.11/variants/arduino_due_x -IC:/ProgramData/MATLAB/SupportPackages/R2017b/toolbox/target/supportpackages/arduinotarget/include -IC:/ProgramData/MATLAB/SupportPackages/R2017b/toolbox/target/supportpackages/arduinotarget/scheduler/include -IC:/ProgramData/MATLAB/SupportPackages/R2017b/toolbox/target/supportpackages/arduinobase/include -IC:/ProgramData/MATLAB/SupportPackages/R2017b/toolbox/target/shared/externalmode_daemon/include -o MCP4728_Due_wrapper.o ../MCP4728_Due_wrapper.c
In file included from ../MCP4728_Due_wrapper.c:24:0:
C:/Users//Documents/MATLAB/MCP4728_Test/mcp4728.cpp:416:16: error: expected '=', ',', ';', 'asm' or '__attribute__' before ':' token
 uint8_t mcp4728::_simpleCommand(byte simpleCommand) {
                ^
../MCP4728_Due_wrapper.c:28:1: error: unknown type name 'mcp4728'
 mcp4728 dac = mcp4728(0); // instantiate mcp4728 object, Device ID = 0
 ^
../MCP4728_Due_wrapper.c:28:1: error: initializer element is not constant
../MCP4728_Due_wrapper.c: In function 'MCP4728_Due_Outputs_wrapper':
../MCP4728_Due_wrapper.c:57:6: error: request for member 'analogWrite' in something not a structure or union
   dac.analogWrite(RowA[0],RowB[0],RowC[0],RowD[0]); // write to input register of DAC four channel (channel 0-3) together. Value 0-4095
      ^
../MCP4728_Due_wrapper.c: In function 'MCP4728_Due_Update_wrapper':
../MCP4728_Due_wrapper.c:79:9: error: request for member 'begin' in something not a structure or union
     Wire.begin();
         ^
../MCP4728_Due_wrapper.c:80:9: error: request for member 'setClock' in something not a structure or union
     Wire.setClock(400000) ;
         ^
../MCP4728_Due_wrapper.c:82:8: error: request for member 'begin' in something not a structure or union
     dac.begin();  // initialize i2c interface
        ^
../MCP4728_Due_wrapper.c:83:17: error: request for member 'getId' in something not a structure or union
     int id = dac.getId(); // return devideID of object
                 ^
../MCP4728_Due_wrapper.c:89:8: error: request for member 'setVref' in something not a structure or union
     dac.setVref(1,1,1,1); // set to use internal voltage reference (2.048V)
        ^
../MCP4728_Due_wrapper.c:90:8: error: request for member 'setGain' in something not a structure or union
     dac.setGain(1,1,1,1); // set the gain of internal voltage reference ( 0 = gain x1 = 2.048v, 1 = gain x2 = 4.096v)
        ^
gmake: *** [MCP4728_Due_wrapper.o] Error 1
The make command returned an error of 2
'An_error_occurred_during_the_call_to_make' is not recognized as an internal or external command,
operable program or batch file.