First version of my PPM library.
Dependents: PPM_Test QuadCopter Quadcopter_mk2
Have a look at PPM_Test to see how this library is used.
Import programPPM_Test
Test program for my PPM library.
Diff: Ppm.cpp
- Revision:
- 3:d13b9e50312f
- Parent:
- 2:b67f18c84c05
--- a/Ppm.cpp Wed Mar 04 18:49:31 2015 +0000 +++ b/Ppm.cpp Wed Apr 01 11:18:23 2015 +0000 @@ -3,7 +3,7 @@ //Ppm reader by Joe Roberts, based on work by John Wolter //This program takes the Ppm Signal (Pulse Position Modulation) from your RC transmitter and outputs the data between the min/max outputs passed into the constructor //See -Ppm::Ppm(PinName pin, float minimumOutput, float maximumOutput, int minimumPulseTime, int maximumPulseTime, int numberOfChannels, int throttleChannel) +Ppm::Ppm(PinName pin, int minimumOutput, int maximumOutput, int minimumPulseTime, int maximumPulseTime, int numberOfChannels, int throttleChannel) { //Assign local variables passed into constructor _ppmPin = new InterruptIn(pin); @@ -80,7 +80,7 @@ } //Place mapped channel data into the passed in array -void Ppm::GetChannelData(float * channelData) +void Ppm::GetChannelData(double* channelData) { //Iterate over the channel times array for(int i = 0; i < _numberOfChannels; i++) @@ -90,14 +90,14 @@ else { //Map the channel times to value between the channel min and channel max - channelData[i] = Map(_completeTimes[i] ,_minimumPulseTime, _maximumPulseTime, _minimumOutput, _maximumOutput); + channelData[i] = Map(_completeTimes[i] , _minimumPulseTime, _maximumPulseTime, _minimumOutput, _maximumOutput); } } return; } -float Ppm::Map(float input, float inputMin, float inputMax, float outputMin, float outputMax) +double Ppm::Map(double input, double inputMin, double inputMax, double outputMin, double outputMax) { return (input - inputMin) * (outputMax - outputMin) / (inputMax - inputMin) + outputMin; } \ No newline at end of file