Arduio Mega and IBUS

Projects Networking, Protocols, and Devices
1

I'm using arduino Mega and IBUS flysky transmitter.
The sketch should be receive the command from flysky and print value to Serial monitor.
Please the follow code doesn't work why?
#include <IBusBM.h>

IBusBM ibusRc;

HardwareSerial& ibusRcSerial = Serial1;
HardwareSerial& debugSerial = Serial;

void setup() {
debugSerial.begin(74880);
ibusRc.begin(ibusRcSerial);
}

// Read the number of a given channel and convert to the range provided.
// If the channel is off, return the default value
int readChannel(byte channelInput, int minLimit, int maxLimit, int defaultValue){
uint16_t ch = ibusRc.readChannel(channelInput);
if (ch < 100) return defaultValue;
return map(ch, 1000, 2000, minLimit, maxLimit);
}

// Red the channel and return a boolean value
bool redSwitch(byte channelInput, bool defaultValue){
int intDefaultValue = (defaultValue)? 100: 0;
int ch = readChannel(channelInput, 0, 100, intDefaultValue);
return (ch > 50);
}

void loop() {
for (byte i = 0; i<4; i++){
int value = readChannel(i, -100, 100, 0);
debugSerial.print("Ch");
debugSerial.print(i + 1);
debugSerial.print(": ");
debugSerial.print(value);
debugSerial.print(" ");
}
debugSerial.print("Ch5: ");
debugSerial.print(redSwitch(4, false));
debugSerial.println();
delay(10);
}

2

maybe try this instead:
(Compiles, NOT tested!)

#include <IBusBM.h>

#define ibusRcSerial Serial1
#define debugSerial Serial

IBusBM ibusRc;

void setup() {
  debugSerial.begin(74880);
  ibusRc.begin(ibusRcSerial);
}

// Read the number of a given channel and convert to the range provided.
// If the channel is off, return the default value
int readChannel(byte channelInput, int minLimit, int maxLimit, int defaultValue) {
  uint16_t ch = ibusRc.readChannel(channelInput);
  if (ch < 100) return defaultValue;
  return map(ch, 1000, 2000, minLimit, maxLimit);
}

// Red the channel and return a boolean value
bool redSwitch(byte channelInput, bool defaultValue) {
  int intDefaultValue = (defaultValue) ? 100 : 0;
  int ch = readChannel(channelInput, 0, 100, intDefaultValue);
  return (ch > 50);
}

void loop() {
  for (byte i = 0; i < 4; i++) {
    int value = readChannel(i, -100, 100, 0);
    debugSerial.print("Ch");
    debugSerial.print(i + 1);
    debugSerial.print(": ");
    debugSerial.print(value);
    debugSerial.print(" ");
  }
  debugSerial.print("Ch5: ");
  debugSerial.print(redSwitch(4, false));
  debugSerial.println();
  delay(10);
}

hope that helps...

3

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