main.cpp

00001 #include "mbed.h"
00002 #include "C12832.h"
00003 #include "SMARTGPU2.h"
00004 #include "HallEffect.h"
00005 #include "TimerCB.h"
00006 
00007 AnalogIn Ain(p17);
00008 AnalogOut Aout(p18);
00009 Ticker s20khz_tick;
00010 Ticker s1hz_tick;
00011 Ticker s30hz_tick;
00012 C12832 lcdX(p5, p7, p6, p8, p11);
00013 SMARTGPU2 lcd(TXPIN, RXPIN, RESETPIN);
00014 InterruptIn interrupt(p9);
00015 
00016 //DigitalIn joyDown(p12);
00017 //DigitalIn joyRight(p16);
00018 InterruptIn startStop(p12); //joystick down
00019 InterruptIn reset(p16); //joystick right
00020 
00021 void s20khz_task(void);
00022 void s1hz_task(void);
00023 void screenRefresh(void);
00024 void hallISR(void);
00025 void startStopTimer(void);
00026 void resetTimer(void);
00027 
00028 float data_in, data_out;
00029 HallEffect hall;
00030 TimerCB timerCB;
00031 
00032 //cache data for fixing LCD flicker
00033 int lastCount;
00034 int lastSPM;
00035 int lastMin;
00036 int lastSec;
00037 int lastMS;
00038 
00039 void lcdInit() {
00040     lcd.reset();
00041     lcd.start();
00042     lcd.erase();
00043     lastCount = -1;
00044     lastSPM = -1;
00045     lastMin = -1;
00046     lastSec = -1;
00047     lastMS = -1;
00048 }
00049 
00050 void drawOut()  {
00051     NUMBEROFBYTES bytes;
00052     //config strings
00053     lcd.setTextSize(FONT8);
00054     //high baud rate actually slows the system down
00055 //    lcd.baudChange(BAUD7);             //set a fast baud! for fast drawing
00056     
00057     int spm = hall.getSPM();
00058     if(spm != lastSPM){
00059         lastSPM = spm;
00060         //draw black box over where rating is to clear it for redrawing
00061         lcd.drawRectangle(50,50,240,120,BLACK,FILL);
00062         //stroke rating using snprintf
00063         char spmBuffer[3];
00064         snprintf(spmBuffer, 3, "%02d", spm);
00065         lcd.string(50,50,MAX_X_LANDSCAPE,MAX_Y_LANDSCAPE,spmBuffer,&bytes);
00066     }
00067     
00068     int count = hall.getCount();
00069     if(count != lastCount){
00070         lastCount = count;
00071         //draw black box over where count is to clear it for redrawing
00072         lcd.drawRectangle(300,50,MAX_X_LANDSCAPE,120,BLACK,FILL);
00073         //stroke count using snprintf
00074         char strokesBuffer[4];
00075         snprintf(strokesBuffer, 4, "%03d", count);
00076         lcd.string(300,50,MAX_X_LANDSCAPE,MAX_Y_LANDSCAPE,strokesBuffer,&bytes);
00077     }
00078     
00079     /*
00080         TODO: make intelligent to only update (draw box):
00081         minutes if minutes changed
00082         seconds if sectonds changed
00083         ms if ms changed
00084         
00085         Adapt to number of ones present in higher places
00086     */
00087     
00088     int tenthSec = timerCB.getMS()/100;
00089     if(tenthSec != lastMS){
00090         lastMS = tenthSec;
00091         //draw black box over where the time is to clear it for redrawing
00092         lcd.drawRectangle(50,200,MAX_X_LANDSCAPE,MAX_Y_LANDSCAPE,BLACK,FILL);
00093         //time using snprintf
00094         char timeBuffer[8];
00095         snprintf(timeBuffer, 8, "%02d:%02d.%d",timerCB.getMinutes(),timerCB.getSeconds(),tenthSec);
00096         lcd.string(50,200,MAX_X_LANDSCAPE,MAX_Y_LANDSCAPE,timeBuffer,&bytes);
00097     }
00098     
00099     //print labels
00100     lcd.setTextSize(FONT4);
00101     lcd.string(50,170,MAX_X_LANDSCAPE,MAX_Y_LANDSCAPE,"Time",&bytes); 
00102     lcd.string(300,20,MAX_X_LANDSCAPE,MAX_Y_LANDSCAPE,"Count",&bytes);    
00103     lcd.string(50,20,MAX_X_LANDSCAPE,MAX_Y_LANDSCAPE,"SPM",&bytes);
00104 }
00105 
00106 int main(){
00107 //    lcd.printf("Audio In");
00108     //initialize big LCD
00109     lcdInit();
00110     
00111     s20khz_tick.attach_us(&s20khz_task,50);
00112     //refresh app board lcd at .5hz
00113 //    s1hz_tick.attach(&s1hz_task,.5);
00114     //refresh screen at 30hz
00115 //    s30hz_tick.attach(&screenRefresh,.5);
00116 
00117     interrupt.rise(&hallISR);
00118     startStop.rise(&startStopTimer);
00119     reset.rise(&resetTimer);
00120     while(true){
00121       drawOut();
00122     }
00123 }
00124 
00125 void s20khz_task(void) {
00126     data_in = Ain;
00127     data_out = data_in;
00128     Aout = data_out;
00129 }
00130 
00131 void s1hz_task(void) {
00132     lcdX.cls();
00133     lcdX.locate(0,0);
00134     lcdX.printf("StrokeCount: %d\r\nStroke Rating: %d\n", hall.getCount(), hall.getSPM());
00135     lcdX.printf("time: %02d:%02d:%02d",timerCB.getMinutes(),timerCB.getSeconds(),(timerCB.getMS()/10));
00136 }
00137 
00138 void screenRefresh(void) {
00139     drawOut();
00140 }
00141 
00142 void hallISR() {
00143     hall.recordStroke();
00144     if(!timerCB.isRunning()){
00145         timerCB.start();
00146     }
00147 }
00148 
00149 void startStopTimer() {
00150     if(timerCB.isRunning()){
00151         timerCB.stop();
00152     }
00153     else {
00154         timerCB.start();
00155     }
00156 }
00157 
00158 void resetTimer() {
00159     timerCB.reset();
00160     hall.resetCount();
00161 }