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README.md 1.4KB

PROJECT_PHOTO

PPM Decoder

Arduino library for decoding PPM receiver signal

Features

  • Small size and easy to use
  • Non-Blocking operation using interrupts
  • Precise resolution of signal measuring (+- 0.5us)
  • Fast PPM to PWM (0-255) and Servo (544-2400us) conversion
  • Compatible with all ATMega328 16Mhz or 8Mhz Arduino boards

How to use

#include<PPM.h>                        // include library
void begin(PPM_PIN, MAX_CHANNELS);     // init in void setup() // works only with pin 2(PD2) or pin 3(PD3)
bool available();                     // returns 0 if there is no valid pulses from receiver
uint16_t get(CHANNEL_NUMBER);            // get channel value in us
uint8_t getPWM(CHANNEL_NUMBER);        // get pwm (0-255) channel value
uint16_t getServo_us(CHANNEL_NUMBER);  // get Servo value (0-180)deg for using with Servo.writeMicroseconds() in range (544-2400)us

Example

#include <PPM.h>

#define CHANNELS 8    // max ppm channels
#define PPM_PIN 2    // receiver ppm pin

void setup() {
  ppm.begin(PPM_PIN, CHANNELS);
  Serial.begin(115200);
}

void loop() {

  for (uint8_t i = 1; i <= CHANNELS; i++) // print all channel values
  {
    Serial.print(ppm.get(i));
    Serial.print('\t');
  }
  Serial.println();
  delay(10);

}