Johan Kritzinger / Mbed 2 deprecated FRDMKL25Z-ShiftBrite

A few classes to interface one or more ShiftBrite module to the FRDM KL25Z.

Dependencies:   mbed

movie.h@2:3935d2ed40cd, 2014-08-20 (annotated)

Committer:
JoKer
Date:
Wed Aug 20 05:24:38 2014 +0000
Revision:
2:3935d2ed40cd
Child:
3:9376bf1f1bbd
Add movie class

Who changed what in which revision?

UserRevisionLine numberNew contents of line
JoKer 2:3935d2ed40cd 1 #ifndef MOVIE_H
JoKer 2:3935d2ed40cd 2 #define MOVIE_H
JoKer 2:3935d2ed40cd 3 #include "mbed.h"
JoKer 2:3935d2ed40cd 4 #include "sbDriver.h"
JoKer 2:3935d2ed40cd 5
JoKer 2:3935d2ed40cd 6 /** movie class
JoKer 2:3935d2ed40cd 7 * Used to send multiple frames of data to the Shiftbrite display.
JoKer 2:3935d2ed40cd 8 *
JoKer 2:3935d2ed40cd 9 * It does not inherit anything but does use a reference to a shiftBriteDisplay object.
JoKer 2:3935d2ed40cd 10 * EXAMPLE:
JoKer 2:3935d2ed40cd 11 * @code
JoKer 2:3935d2ed40cd 12 #include "mbed.h"
JoKer 2:3935d2ed40cd 13 #include "sbDriver.h"
JoKer 2:3935d2ed40cd 14 #include "movie.h"
JoKer 2:3935d2ed40cd 15 //6 leds example. Format it suitably for easy reading
JoKer 2:3935d2ed40cd 16 unsigned short int aMovie[] = {
JoKer 2:3935d2ed40cd 17 // LED1 LED2 LED3 LED4 LED5 LED6
JoKer 2:3935d2ed40cd 18 1023,0,0, 0,0,0, 0,0,0, 0,0,0, 0,0,0, 0,0,0, //Frame 0
JoKer 2:3935d2ed40cd 19 0,0,0, 1023,0,0, 0,0,0, 0,0,0, 0,0,0, 0,0,0, //Frame 1
JoKer 2:3935d2ed40cd 20 0,0,0, 0,0,0, 1023,0,0, 0,0,0, 0,0,0, 0,0,0, //Frame 2
JoKer 2:3935d2ed40cd 21 0,0,0, 0,0,0, 0,0,0, 1023,0,0, 0,0,0, 0,0,0, //Frame 3
JoKer 2:3935d2ed40cd 22 0,0,0, 0,0,0, 0,0,0, 0,0,0, 1023,0,0, 0,0,0, //Frame 4
JoKer 2:3935d2ed40cd 23 0,0,0, 0,0,0, 0,0,0, 0,0,0, 0,0,0, 1023,0,0, //Frame 5
JoKer 2:3935d2ed40cd 24 0,0,0, 0,0,0, 0,0,0, 0,0,0, 1023,0,0, 0,0,0, //Frame 6
JoKer 2:3935d2ed40cd 25 0,0,0, 0,0,0, 0,0,0, 1023,0,0, 0,0,0, 0,0,0, //Frame 7
JoKer 2:3935d2ed40cd 26 0,0,0, 0,0,0, 1023,0,0, 0,0,0, 0,0,0, 0,0,0, //Frame 8
JoKer 2:3935d2ed40cd 27 0,0,0, 1023,0,0, 0,0,0, 0,0,0, 0,0,0, 0,0,0 //Frame 9
JoKer 2:3935d2ed40cd 28 /A simple 'cylon' scanner 'movie'
JoKer 2:3935d2ed40cd 29 };
JoKer 2:3935d2ed40cd 30
JoKer 2:3935d2ed40cd 31 Serial PC(PTA2, PTA1);//
JoKer 2:3935d2ed40cd 32
JoKer 2:3935d2ed40cd 33 //Instanced of DigitalOut for control SB signals
JoKer 2:3935d2ed40cd 34 DigitalOut latch(PTC16);//010=latch
JoKer 2:3935d2ed40cd 35 DigitalOut enable(PTA13);//0= enabled
JoKer 2:3935d2ed40cd 36 DigitalOut reset(PTC12);
JoKer 2:3935d2ed40cd 37 //Instance of the SPI contoller for SB data
JoKer 2:3935d2ed40cd 38 SPI spi(PTD2,NC,PTD1);//PDT2 = MOSI=DATA. PDT1=CLK
JoKer 2:3935d2ed40cd 39
JoKer 2:3935d2ed40cd 40
JoKer 2:3935d2ed40cd 41 int main() {
JoKer 2:3935d2ed40cd 42
JoKer 2:3935d2ed40cd 43 //Instanciate a ticker object to handle framerate updates for the SB display
JoKer 2:3935d2ed40cd 44 Ticker t;
JoKer 2:3935d2ed40cd 45
JoKer 2:3935d2ed40cd 46 //Instanciate a string of 6 sb modules and tell the driver object where the control/data pins are
JoKer 2:3935d2ed40cd 47 shiftBriteDisplay sbDisplay(&PC,latch, enable, reset, spi,6);
JoKer 2:3935d2ed40cd 48
JoKer 2:3935d2ed40cd 49 movie myMovie(aMovie,sbDisplay,sizeof(aMovie));
JoKer 2:3935d2ed40cd 50 myMovie.setRepeat(1);
JoKer 2:3935d2ed40cd 51 t.attach(&myMovie,&movie::play,0.05);//Beware, if you go too fast here the MBED will crash
JoKer 2:3935d2ed40cd 52
JoKer 2:3935d2ed40cd 53 while(1){
JoKer 2:3935d2ed40cd 54 }
JoKer 2:3935d2ed40cd 55 }
JoKer 2:3935d2ed40cd 56 @codeend
JoKer 2:3935d2ed40cd 57 */
JoKer 2:3935d2ed40cd 58
JoKer 2:3935d2ed40cd 59 class movie{
JoKer 2:3935d2ed40cd 60 unsigned long int movieSize; //how many BYTES are in the movie array
JoKer 2:3935d2ed40cd 61 //NB, this is NOT the number of frames. frame Tot = ((movieSize/sizeof(unsigned short int))/frameSize)/3
JoKer 2:3935d2ed40cd 62 unsigned short int frameSize; //how many leds are in a display
JoKer 2:3935d2ed40cd 63 unsigned long int currentFrame; // which frame are we displaying now
JoKer 2:3935d2ed40cd 64 unsigned char f_repeat; // repeat when end is reached
JoKer 2:3935d2ed40cd 65 unsigned short int * movie_p;//This is where the movie data is stored
JoKer 2:3935d2ed40cd 66 shiftBriteDisplay r_display;//reference to the display
JoKer 2:3935d2ed40cd 67 public:
JoKer 2:3935d2ed40cd 68 //movie(unsigned short int * movie_p, shiftBriteDisplay &display); // constructor - frameCount=how many frames in the movie
JoKer 2:3935d2ed40cd 69 movie(unsigned short int * movie_p, shiftBriteDisplay &display, unsigned int movieSize);
JoKer 2:3935d2ed40cd 70 //This must dynamically allocte
JoKer 2:3935d2ed40cd 71 void play();//cycles through all known frames, one frame each time it is called
JoKer 2:3935d2ed40cd 72 void setRepeat(unsigned char r){f_repeat = r;};//repeat from the start or keep on showing the final frame of the movie
JoKer 2:3935d2ed40cd 73 };
JoKer 2:3935d2ed40cd 74 #endif