Error in Simulink model with Arduino mega....

Error when i try to compile Simulink with Arduino Mega....The error is..1.6.1/libraries/Servo/src/avr -o "untitled.o" "untitled.c" untitled.c: In function 'untitled_step': untitled.c:204:1: error: unable to find a register to spill in class 'POINTER_REGS' } ^ untitled.c:204:1: error: this is the insn: (insn 349 348 351 15 (set (reg:SF 138 [ D.2750 ]) (mem:SF (post_inc:HI (reg:HI 16 r16 [orig:177 ivtmp.19 ] [177])) [4 MEM[base: _184, offset: 0B]+0 S4 A8])) untitled.c:103 99 {*movsf} (expr_list:REG_INC (reg:HI 16 r16 [orig:177 ivtmp.19 ] [177]) (nil))) untitled.c:204: confused by earlier errors, bailing out gmake: * [untitled.o] Error 1

please help cant find any info!!

Answer 1

[INFOZOU]

https://www.mathworks.com/matlabcentral/answers/106975-error-downloading-simulink-model-to-arduino-mega-2560-rev3

http://www.mathworks.com/matlabcentral/answers/141624-getting-error-message-while-running-simulink-model-with-arduino-mega-2560

http://sti.tice.ac-orleans-tours.fr/spip2/IMG/pdf/working_with_arduino_hardware.pdf

http://diydrones.com/forum/topics/ardupilot-mega-2-5-problem-with-run-on-target-hardware

https://www.mathworks.com/matlabcentral/answers/90216-arduino-mega-communication-problem-to-simulink

[D D]

I still have the same error.

[D D]

Does anyone else have this issue?

Answer 2

[Johannes]

I had the same problem with the Arduino Mega 2560 and the Arduino Uno, when I used the State Space Block with a number of states higher than 2. After changing the solver to ode8 (Dormand-Prince RK8(7)), it worked. Here I found this solution:

• https://de.mathworks.com/matlabcentral/answers/330377-how-can-i-solve-the-problem-about-arduino-error#answer_259741
• https://de.mathworks.com/matlabcentral/answers/379494-clueless-why-i-get-the-error-unable-to-find-a-register-to-spill-in-class-pointer_regs-for-my-mo#answer_302313