Class library for generating hobby servo pulses on any digital output pin
Dependents: mbed_ES200_Tester_SERVOGEN mbed_ES20X_Thread_Test
SERVOGEN library
Library for generating servo pulses using the Ticker class
include the mbed library with this snippet
// SERVOGEN Class test program // J. Bradshaw 20140925 #include "mbed.h" #include "SERVOGEN.h" SERVOGEN servo1(p21); SERVOGEN servo2(p24); DigitalOut led1(LED1); int main() { servo1.pulse_us = 0; // spin in a main loop. flipper will interrupt it to call flip while(1) { for(float cycle=0.0;cycle<2.0*3.14159;cycle+=.003){ //small amplitude sine wave on servo1 servo1 = 300 * sin(cycle) + 1500; //ramp up the second servo2 channel relative to cycle servo2 = 1000 + cycle*159; // .001/(2*PI) wait(.001); //short delay } led1 = !led1; //toggle led1 to indicate activity }//while(1) }//main
Diff: SERVOGEN.h
- Revision:
- 3:edc18509ff11
- Parent:
- 2:44766ee77ce0
diff -r 44766ee77ce0 -r edc18509ff11 SERVOGEN.h --- a/SERVOGEN.h Sun Sep 28 18:57:11 2014 +0000 +++ b/SERVOGEN.h Mon Sep 29 16:47:31 2014 +0000 @@ -1,4 +1,4 @@ -// J. Bradshaw 20140925 +// J. Bradshaw 20140929 /** SERVOGEN Class for Generating servo pulses on single output pin * Copyright (c) 2014, jbradshaw (http://mbed.org) * @@ -70,6 +70,14 @@ int pulse_us; //determines the pulse width in microseconds (default is 0 = OFF) int pulseMin; //minimum pulse width (default is 900 microseconds) int pulseMax; //maximum pulse width (default is 2100 microseconds) + + void write(int pulse); // + int read(void); + + /** Shorthand for the write and read functions */ + SERVOGEN& operator= (int pulse_us); + SERVOGEN& operator= (SERVOGEN& rhs); + operator int(); private: void tickFunct(void); //Function that takes care of the servo pulse generation