s-function builder Simulink for Arduino

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EB
EB 2020-6-4
评论： SRance 2020-9-30
I am trying to build an s-function builder for the LSM6DS3 IMU with the following Arduino code:
#include <Arduino_LSM6DS3.h>
void setup() {
Serial.begin(9600);
while (!Serial) {
; // wait for serial port to connect. Needed for native USB port only
}
if (!IMU.begin()) {
Serial.println("Failed to initialize IMU!");
while (true); // halt program
}
Serial.println("IMU initialized!");
}
void loop() {
float aX, aY, aZ;
float gX, gY, gZ;
const char * spacer = ", ";
if (
IMU.accelerationAvailable()
&& IMU.gyroscopeAvailable()
) {
IMU.readAcceleration(aX, aY, aZ);
IMU.readGyroscope(gX, gY, gZ);
Serial.print(aX); Serial.print(spacer);
Serial.print(aY); Serial.print(spacer);
Serial.print(aZ); Serial.print(spacer);
Serial.print(gX); Serial.print(spacer);
Serial.print(gY); Serial.print(spacer);
Serial.println(gZ);
delay(1000);
}
}
Data Properties, I deleted the input ports since I will not have any, and added an output port with a random name with uint32 (only because it was suggested in the reference example link below).
I put this in the Libraries Includes:
#include <math.h>
# ifndef MATLAB_MEX_FILE
# include <Arduino.h>
#include <Arduino_LSM6DS3.h>
# endif
Outputs:
if(xD == 1)
# ifndef MATLAB_MEX_FILE
ana[0] = analogRead(A0);
# endif
Update:
if (xD[0] != 1)
xD[0] = 1;
When I compile it, I get the following error code:
C:\Users\ASDFGHJKL\Documents\MATLAB\Examples\R2020a\IoT_wrapper.c: In function 'IoT_Outputs_wrapper':
C:\Users\ASDFGHJKL\Documents\MATLAB\Examples\R2020a\IoT_wrapper.c:47:4: error: 'xD' undeclared (first use in this function)
if(xD == 1)
^~
C:\Users\ASDFGHJKL\Documents\MATLAB\Examples\R2020a\IoT_wrapper.c:47:4: note: each undeclared identifier is reported only once for each function it appears in
C:\Users\ASDFGHJKL\Documents\MATLAB\Examples\R2020a\IoT_wrapper.c:52:1: error: expected expression before '}' token
}
^
What should I modify to get this to display all six values?
Reference:
https://medium.com/@eestuffs/reading-analog-signal-with-arduino-due-and-simulink-part-1-tutorial-6b1703bbfcdb
  1 个评论
SRance
SRance 2020-9-30
Your outputs needs to specify the element, i.e: if(xD[0] == 1)
You also need to bracket your functions with the { } on the outputs and update.
For reference, even if you have a constant you will need to reference it like a C array.

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