main.cpp

00001 /** Tokei
00002  * "Tokei" means a clock or watch in Japanese
00003  */
00004  
00005 #include "mbed.h"
00006 #include "SPI_TFT_ILI9341.h"
00007 #include "SPI_STMPE610.h"
00008 #include "Arial12x12.h"
00009 #include "Arial24x23.h"
00010 #include "Arial28x28.h"
00011 #include "font_big.h"
00012 
00013 #define PIN_MOSI        PTD2
00014 #define PIN_MISO        PTD3 
00015 #define PIN_SCLK        PTD1 
00016 #define PIN_CS_TFT      PTD0 
00017 #define PIN_DC_TFT      PTD5 
00018 #define PIN_BL_TFT      PTC9 
00019 #define PIN_CS_SD       PTA4 
00020 #define PIN_CS_TSC      PTA13
00021 #define PIN_TSC_INTR    PTC9
00022 
00023 // return values for the adjust menu
00024 #define AM_CANCEL 0x00
00025 #define AM_OK     0x01
00026 #define AM_UP     0x02
00027 #define AM_DOWN   0x04
00028 #define AM_NG     0xFF
00029 
00030 SPI_TFT_ILI9341 TFT(PIN_MOSI, PIN_MISO, PIN_SCLK, PIN_CS_TFT, PIN_BL_TFT, PIN_DC_TFT) ;
00031 SPI_STMPE610 TSC(PIN_MOSI, PIN_MISO, PIN_SCLK, PIN_CS_TSC) ;
00032 
00033 DigitalOut backlight(PTA12) ;
00034 
00035 Ticker timer ;
00036 bool ticked = false ;
00037 int hour = 14 ;
00038 int min = 40 ;
00039 int sec = 0 ;
00040 char time_str[32] ;
00041 
00042 void initTFT(void)
00043 {
00044     //Configure the display driver
00045     TFT.background(Black);
00046     TFT.foreground(White);
00047     wait(0.01) ;
00048     TFT.cls();
00049 }
00050     
00051 void drawAdjustMenu(void)
00052 {
00053     TFT.set_font((unsigned char*) Arial12x12);
00054     TFT.locate(180, 100) ;
00055     TFT.foreground(Yellow) ;
00056     TFT.printf("UP") ;
00057     TFT.locate(180, 160) ;
00058     TFT.foreground(Yellow) ;
00059     TFT.printf("DOWN") ;
00060     TFT.locate(20, 280) ;
00061     TFT.foreground(Blue) ;
00062     TFT.printf("CANCEL") ;
00063     TFT.locate(200, 280) ;
00064     TFT.foreground(Green) ;
00065     TFT.printf("OK") ;
00066 }
00067 
00068 void draw_tmp_value(uint16_t value)
00069 {
00070     char str[8] ;
00071     TFT.foreground(White) ;
00072     TFT.set_font((unsigned char*) Arial28x28);
00073     sprintf(str, " %02d ", value) ;
00074     TFT.locate(80, 120) ;
00075     TFT.printf(str) ;
00076 }
00077 
00078 int getAdjustMenu(void)
00079 {
00080     uint16_t x, y, z ;
00081     int result = AM_NG ;
00082     if ( TSC.getPoint(&x, &y, &z)) {
00083         if ((180 <= x)&&(x < 240)&&(80 <= y)&&(y < 120)) { // up
00084             result = AM_UP ;
00085         } else if ((180 <= x)&&(x < 240)&&(140 <= y)&&(y < 180)) { // down
00086             result = AM_DOWN ;
00087         } else if ((20 <= x)&&(x < 60)&&(260 <= y)) { // cancel
00088             result = AM_CANCEL ;
00089         } else if ((200 <= x)&&(x < 240)&&(260 <= y)) { // OK
00090             result = AM_OK ;
00091         }
00092     }
00093     return(result) ;
00094 }
00095 
00096 void set_hour(void)
00097 {
00098     bool selected = false ;
00099     int16_t tmp_hour, prev_value = -1 ;
00100     tmp_hour = hour ;
00101     TFT.cls() ;
00102     TFT.foreground(White) ;
00103     TFT.set_font((unsigned char*) Arial28x28);
00104     TFT.locate(60, 50) ;
00105     TFT.printf("Set Hour") ;
00106      
00107     while(!selected) {
00108         if (tmp_hour != prev_value) {
00109             draw_tmp_value(tmp_hour) ;   
00110             drawAdjustMenu() ;   
00111             prev_value = tmp_hour ;    
00112         }
00113 
00114         switch(getAdjustMenu()) {
00115         case AM_CANCEL:
00116             selected = true ;
00117             break ;
00118         case AM_OK:
00119             hour = tmp_hour ;
00120             selected = true ;
00121             break ;
00122         case AM_UP:
00123             tmp_hour++ ;
00124             if (tmp_hour > 23) {
00125                  tmp_hour = 0 ;
00126             }
00127             break ;
00128         case AM_DOWN:
00129             tmp_hour-- ;
00130             if (tmp_hour < 0) {
00131                 tmp_hour = 0 ;
00132             }
00133         default:
00134             break ;
00135         }
00136         wait(0.1) ;
00137     }    
00138     TFT.cls() ;
00139 }
00140 
00141 void set_min(void)
00142 {
00143     bool selected = false ;
00144     int16_t tmp_min, prev_value = -1 ;
00145     tmp_min = min ;
00146     TFT.cls() ;
00147     TFT.set_font((unsigned char*) Arial28x28);
00148     TFT.foreground(White) ;
00149     TFT.locate(60, 50) ;
00150     TFT.printf("Set Min") ;
00151 
00152     while(!selected) {
00153         if (tmp_min != prev_value) {
00154             draw_tmp_value(tmp_min) ;
00155             drawAdjustMenu() ;   
00156             prev_value = tmp_min ;   
00157         }
00158        
00159         switch(getAdjustMenu()) {
00160         case AM_CANCEL:
00161             selected = true ;
00162             break ;
00163         case AM_OK:
00164             min = tmp_min ;
00165             selected = true ;
00166             break ;
00167         case AM_UP:
00168             tmp_min++ ;
00169             if (tmp_min > 59) {
00170                  tmp_min = 0 ;
00171             }
00172             break ;
00173         case AM_DOWN:
00174             tmp_min-- ;
00175             if (tmp_min < 0) {
00176                 tmp_min = 0 ;
00177             }
00178         default:
00179             break ;
00180         }
00181         wait(0.1) ;
00182     }    
00183     TFT.cls() ;
00184 }
00185 
00186 void set_sec(void)
00187 {
00188     bool selected = false ;
00189     int16_t tmp_sec, prev_value = -1 ;
00190     tmp_sec = sec ;
00191     TFT.cls() ;
00192     TFT.foreground(White) ;
00193     TFT.set_font((unsigned char*) Arial28x28);
00194     TFT.locate(60, 50) ;
00195     TFT.printf("Set Sec") ;
00196 
00197     while(!selected) {
00198         if (tmp_sec != prev_value) {
00199             draw_tmp_value(tmp_sec) ; 
00200             drawAdjustMenu() ;    
00201             prev_value = tmp_sec ;
00202         }
00203 
00204         switch(getAdjustMenu()) {
00205         case AM_CANCEL:
00206             selected = true ;
00207             break ;
00208         case AM_OK:
00209             sec = tmp_sec ;
00210             selected = true ;
00211             break ;
00212         case AM_UP:
00213             tmp_sec++ ;
00214             if (tmp_sec > 59) {
00215                  tmp_sec = 0 ;
00216             }
00217             break ;
00218         case AM_DOWN:
00219             tmp_sec-- ;
00220             if (tmp_sec < 0) {
00221                 tmp_sec = 0 ;
00222             }
00223         default:
00224             break ;
00225         }
00226         wait(0.2) ;
00227     }   
00228     TFT.cls() ;
00229 }
00230 
00231 void set_time(void)
00232 {
00233     set_hour() ;
00234     set_min() ;
00235     set_sec() ;
00236 }
00237 
00238 void display_time(void)
00239 {
00240     TFT.set_font((unsigned char*) Arial28x28);
00241     TFT.foreground(White) ;
00242     sprintf(time_str, " %02d:%02d:%02d ",hour,min,sec) ;
00243     TFT.locate(50, 100) ;
00244     wait(0.01) ;
00245     TFT.printf(time_str) ;
00246     wait(0.01) ;
00247 }
00248 
00249 void tick_time(void) 
00250 {
00251     sec++ ;
00252     if (sec > 59) {
00253         min++ ;
00254         sec = sec % 60 ;
00255     }
00256     if (min > 59) {
00257         hour++ ;
00258         min = min % 60 ;
00259     }
00260     if (hour > 23) {
00261         hour = hour % 24 ;
00262     }
00263     ticked = true ;
00264 }
00265 
00266 void draw_adjust_str(void)
00267 {
00268     TFT.set_font((unsigned char*) Arial12x12) ;
00269     TFT.foreground(Blue) ;
00270     TFT.locate(180, 280) ;
00271     TFT.printf("adjust") ;
00272 }
00273 
00274 int main()
00275 {
00276     uint16_t x, y ;
00277     
00278     initTFT() ;
00279     timer.attach(&tick_time, 1) ;
00280     backlight = 1 ;
00281     set_time() ;
00282     draw_adjust_str() ;
00283  
00284     for(;;) {
00285         if (ticked) {
00286             display_time() ;
00287             ticked = false ;
00288         }
00289         
00290         if ( TSC.getPoint(&x, &y)) {
00291             if ((180 < x)&&(260 < y)) {
00292                 set_time() ;
00293                 draw_adjust_str() ;
00294             }
00295         }       
00296     }
00297 }