Hi, I keep getting #failed to generate all binary outputs message when using the S function block.

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Ahmed Ben Amer
Ahmed Ben Amer 2016-4-13
评论： Walter Roberson 2016-4-14
Hi. I am using an Arduino UNO with an adafruit 10 dof IMU. I am running an example sketch on using only the accelerometer,on Simulink using the S-function block. Every time I run it I keep getting this error message. I didnt post the whole code as it is very long, just the part showing the error.
I/Users/Hammodi/Documents/MATLAB/SupportPackages/R2015b/arduino-1.6.1/Arduino.app/Contents/Resources/Java/libraries/Servo/src -I/Users/Hammodi/Documents/MATLAB/SupportPackages/R2015b/arduino/toolbox/target/supportpackages/arduinotarget/registry/../include -I/Users/Hammodi/Documents/MATLAB/SupportPackages/R2015b/arduino/toolbox/target/supportpackages/arduinotarget/registry/../scheduler/include -I/Users/Hammodi/Documents/MATLAB/SupportPackages/R2015b/arduinobase/toolbox/target/supportpackages/arduinobase/include -o "Accelerometer_wrapper.o" "../Accelerometer_wrapper.cpp"
../Accelerometer_wrapper.cpp:19:18: fatal error: Wire: No such file or directory
#include <Wire>.h
^
compilation terminated.
gmake: *** [Accelerometer_wrapper.o] Error 1
### Build procedure for model: 'Aceleromoter_test' aborted due to an error.
Error(s) encountered while building "Aceleromoter_test":
### Failed to generate all binary outputs.
  1 个评论
Ahmed Ben Amer
Ahmed Ben Amer 2016-4-13
Hi Guys, i just found out that it is not able to find the libraries specified for some reason even though i add them to the current path in Matlab. I dont know why it would do such a thing, would anyone have any idea?

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回答（1 个）

Walter Roberson
Walter Roberson 2016-4-13
#include <Wire.h>
You had the .h in the wrong place
  2 个评论
Ahmed Ben Amer
Ahmed Ben Amer 2016-4-13
Thank you so much, I cant believe i missed that. I have fixed it but now I am getting the following error for some reason. Am I also supposed to declare the function that is used in the void loop and void setup?, because I would have thought it is declared within the library itself.
"../Accelerometer_wrapper.cpp"
../Accelerometer_wrapper.cpp: In function 'void Accelerometer_Outputs_wrapper(real_T*, const real_T*)':
../Accelerometer_wrapper.cpp:49:1: error: 'accel' was not declared in this scope
accel.begin();
^
../Accelerometer_wrapper.cpp: In function 'void Accelerometer_Update_wrapper(const real_T*, real_T*)':
../Accelerometer_wrapper.cpp:67:3: error: 'accel' was not declared in this scope
accel.getEvent(&event);
^
../Accelerometer_wrapper.cpp:71:9: error: assignment of read-only location '* y0'
y0[0] = event.acceleration.x;
^
../Accelerometer_wrapper.cpp:72:9: error: assignment of read-only location '*(y0 + 4u)'
y0[1] = event.acceleration.y;
^
../Accelerometer_wrapper.cpp:73:9: error: assignment of read-only location '*(y0 + 8u)'
y0[2] = event.acceleration.z;
^
gmake: *** [Accelerometer_wrapper.o] Error 1
The code I used in the S-function is the following, for the libraries:
#ifndef MATLAB_MEX_FILE
#include <Arduino.h>
#include <math.h>
#include <Wire.h>
#include <Wire.cpp>
#include <txi.h>
#include <txi.cpp>
#include <Adafruit_Sensor.h>
#include <Adafruit_LSM303_U.h>
#include <Adafruit_LSM303_U.cpp>
#endif
For the output:
if (xD[0]==1) {
# ifndef MATLAB_MEX_FILE
accel.begin();
# endif
}
As for the Discrete Update:
if (xD[0]!=1) {
#ifndef MATLAB_MEX_FILE
/* Get a new sensor event */
sensors_event_t event;
accel.getEvent(&event);
/* Display the results (acceleration is measured in m/s^2) */
y0[0] = event.acceleration.x;
y0[1] = event.acceleration.y;
y0[2] = event.acceleration.z;
delay(500);
# endif
xD[0]=1;
}
I am using an accelerometer and this code is supposed to give me 3 values through the scope, x,y and z. Any help is appreciated, thanks.

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