Yu Jun Qin / Mbed 2 deprecated ECE4180_Final

ECE 4180 Final

Dependencies:   mbed wave_player mbed-rtos C12832_lcd 4DGL-uLCD-SE LCD_fonts SDFileSystem

LED.hpp@15:ebe9fb3aaf0f, 2019-12-06 (annotated)

Committer:
yqin70
Date:
Fri Dec 06 02:44:52 2019 +0000
Revision:
15:ebe9fb3aaf0f
Parent:
7:15fdc55dbf66
Child:
19:d65f9fb1023b
time changed to sample index for first two songs

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jcrane32 7:15fdc55dbf66 1 //class for 3 PWM color values for RGBLED
jcrane32 7:15fdc55dbf66 2 class LEDColor
jcrane32 7:15fdc55dbf66 3 {
jcrane32 7:15fdc55dbf66 4 public:
jcrane32 7:15fdc55dbf66 5 LEDColor(float r, float g, float b);
jcrane32 7:15fdc55dbf66 6 float red;
jcrane32 7:15fdc55dbf66 7 float green;
jcrane32 7:15fdc55dbf66 8 float blue;
jcrane32 7:15fdc55dbf66 9 };
jcrane32 7:15fdc55dbf66 10 LEDColor:: LEDColor(float r, float g, float b)
jcrane32 7:15fdc55dbf66 11 : red(r), green(g), blue(b)
jcrane32 7:15fdc55dbf66 12 {
jcrane32 7:15fdc55dbf66 13 }
jcrane32 7:15fdc55dbf66 14 //Operator overload to adjust brightness with no color change
jcrane32 7:15fdc55dbf66 15 LEDColor operator * (const LEDColor& x, const float& b)
jcrane32 7:15fdc55dbf66 16 {
jcrane32 7:15fdc55dbf66 17 return LEDColor(x.red*b,x.green*b,x.blue*b);
jcrane32 7:15fdc55dbf66 18 }
jcrane32 7:15fdc55dbf66 19 //Operator overload to add colors
jcrane32 7:15fdc55dbf66 20 LEDColor operator + (const LEDColor& x, const LEDColor& y)
jcrane32 7:15fdc55dbf66 21 {
jcrane32 7:15fdc55dbf66 22 return LEDColor(x.red+y.red,x.green+y.green,x.blue+y.blue);
jcrane32 7:15fdc55dbf66 23 }
jcrane32 7:15fdc55dbf66 24
jcrane32 7:15fdc55dbf66 25 //Class to control an RGB LED using three PWM pins
jcrane32 7:15fdc55dbf66 26
jcrane32 7:15fdc55dbf66 27 class RGBLed
jcrane32 7:15fdc55dbf66 28 {
jcrane32 7:15fdc55dbf66 29 public:
jcrane32 7:15fdc55dbf66 30 RGBLed(PinName redpin, PinName greenpin, PinName bluepin);
jcrane32 7:15fdc55dbf66 31 void write(float red,float green, float blue);
jcrane32 7:15fdc55dbf66 32 void write(LEDColor c);
jcrane32 7:15fdc55dbf66 33 RGBLed operator = (LEDColor c) {
jcrane32 7:15fdc55dbf66 34 write(c);
jcrane32 7:15fdc55dbf66 35 return *this;
jcrane32 7:15fdc55dbf66 36 };
jcrane32 7:15fdc55dbf66 37 private:
jcrane32 7:15fdc55dbf66 38 PwmOut _redpin;
jcrane32 7:15fdc55dbf66 39 PwmOut _greenpin;
jcrane32 7:15fdc55dbf66 40 PwmOut _bluepin;
jcrane32 7:15fdc55dbf66 41 };
jcrane32 7:15fdc55dbf66 42
jcrane32 7:15fdc55dbf66 43 RGBLed::RGBLed (PinName redpin, PinName greenpin, PinName bluepin)
jcrane32 7:15fdc55dbf66 44 : _redpin(redpin), _greenpin(greenpin), _bluepin(bluepin)
jcrane32 7:15fdc55dbf66 45 {
jcrane32 7:15fdc55dbf66 46 //50Hz PWM clock default a bit too low, go to 2000Hz (less flicker)
jcrane32 7:15fdc55dbf66 47 _redpin.period(0.0005);
jcrane32 7:15fdc55dbf66 48 }
jcrane32 7:15fdc55dbf66 49
jcrane32 7:15fdc55dbf66 50 void RGBLed::write(float red,float green, float blue)
jcrane32 7:15fdc55dbf66 51 {
jcrane32 7:15fdc55dbf66 52 _redpin = red;
jcrane32 7:15fdc55dbf66 53 _greenpin = green;
jcrane32 7:15fdc55dbf66 54 _bluepin = blue;
jcrane32 7:15fdc55dbf66 55 }
jcrane32 7:15fdc55dbf66 56 void RGBLed::write(LEDColor c)
jcrane32 7:15fdc55dbf66 57 {
jcrane32 7:15fdc55dbf66 58 _redpin = c.red;
jcrane32 7:15fdc55dbf66 59 _greenpin = c.green;
jcrane32 7:15fdc55dbf66 60 _bluepin = c.blue;
jcrane32 7:15fdc55dbf66 61 }
jcrane32 7:15fdc55dbf66 62
jcrane32 7:15fdc55dbf66 63 const LEDColor red(1.0,0.0,0.0);
jcrane32 7:15fdc55dbf66 64 const LEDColor green(0.0,0.2,0.0);
jcrane32 7:15fdc55dbf66 65 //brighter green LED is scaled down to same as red and
jcrane32 7:15fdc55dbf66 66 //blue LED outputs on Sparkfun RGBLED
jcrane32 7:15fdc55dbf66 67 const LEDColor blue(0.0,0.0,1.0);
jcrane32 7:15fdc55dbf66 68 const LEDColor yellow(1.0,0.2,0.0);
jcrane32 7:15fdc55dbf66 69 const LEDColor white(1.0,0.2,1.0);
jcrane32 7:15fdc55dbf66 70 const LEDColor black(0.0,0.0,0.0);