main.cpp

00001 #include "mbed.h"
00002 
00003 #define TFTWIDTH  240
00004 #define TFTHEIGHT 320
00005 
00006 #define TFT_NORTH {SPFD5408_MADCTL_MY | SPFD5408_MADCTL_BGR}
00007 #define TFT_EAST  {SPFD5408_MADCTL_MX | SPFD5408_MADCTL_MY | SPFD5408_MADCTL_MV | SPFD5408_MADCTL_BGR}
00008 #define TFT_SOUTH {SPFD5408_MADCTL_MX | SPFD5408_MADCTL_BGR}
00009 #define TFT_WEST  {SPFD5408_MADCTL_MV | SPFD5408_MADCTL_BGR}
00010 
00011 #define BLACK   0x0000
00012 #define BLUE    0x001F
00013 #define RED     0xF800
00014 #define GREEN   0x07E0
00015 #define CYAN    0x07FF
00016 #define MAGENTA 0xF81F
00017 #define YELLOW  0xFFE0
00018 #define WHITE   0xFFFF
00019 
00020 #define SPFD5408_SOFTRESET          0x01
00021 #define SPFD5408_SLEEPIN            0x10
00022 #define SPFD5408_SLEEPOUT           0x11
00023 #define SPFD5408_NORMALDISP         0x13
00024 #define SPFD5408_INVERTOFF          0x20
00025 #define SPFD5408_INVERTON           0x21
00026 #define SPFD5408_GAMMASET           0x26
00027 #define SPFD5408_DISPLAYOFF         0x28
00028 #define SPFD5408_DISPLAYON          0x29
00029 #define SPFD5408_COLADDRSET         0x2A
00030 #define SPFD5408_PAGEADDRSET        0x2B
00031 #define SPFD5408_MEMORYWRITE        0x2C
00032 #define SPFD5408_PIXELFORMAT        0x3A
00033 #define SPFD5408_FRAMECONTROL       0xB1
00034 #define SPFD5408_DISPLAYFUNC        0xB6
00035 #define SPFD5408_ENTRYMODE          0xB7
00036 #define SPFD5408_POWERCONTROL1      0xC0
00037 #define SPFD5408_POWERCONTROL2      0xC1
00038 #define SPFD5408_VCOMCONTROL1       0xC5
00039 #define SPFD5408_VCOMCONTROL2       0xC7
00040 #define SPFD5408_MEMCONTROL         0x36
00041 #define SPFD5408_MADCTL             0x36
00042 #define SPFD5408_MADCTL_MY          0x80
00043 #define SPFD5408_MADCTL_MX          0x40
00044 #define SPFD5408_MADCTL_MV          0x20
00045 #define SPFD5408_MADCTL_ML          0x10
00046 #define SPFD5408_MADCTL_RGB         0x00
00047 #define SPFD5408_MADCTL_BGR         0x08
00048 #define SPFD5408_MADCTL_MH          0x04
00049 
00050 #define IDLE    1
00051 #define ACTIVE  0
00052 #define COMMAND 0
00053 #define DATA    1
00054 
00055 #define TEMPS   40
00056 
00057 #define LCD_CS A3
00058 #define LCD_CD A2
00059 #define LCD_WR A1
00060 #define LCD_RD A0
00061 #define LCD_RESET A4
00062 
00063 DigitalOut pinRD(LCD_RD);   //PA_0;
00064 DigitalOut pinWR(LCD_WR);   //PA_1;
00065 DigitalOut pinCD(LCD_CD);   //PA_4;
00066 DigitalOut pinCS(LCD_CS);   //PB_0;
00067 DigitalOut pinReset(LCD_RESET);//PC_1;
00068 
00069 
00070 BusInOut portTFT(D8, D9, D2, D3, D4, D5, D6, D7);
00071 
00072 void WriteCommand(uint8_t c)
00073 {
00074     pinCD = COMMAND;
00075     pinWR = ACTIVE;
00076     portTFT = c;
00077     pinWR = IDLE;
00078 }
00079 
00080 void WriteData(uint8_t d)
00081 {
00082     pinCD = DATA;
00083     wait_ms(1);
00084      wait_ms(1);
00085     pinWR = ACTIVE;
00086      wait_ms(1);   
00087     portTFT = d;
00088     wait_ms(1);    
00089     pinWR = IDLE;
00090     wait_ms(1);     
00091 }
00092 
00093 Serial pc(SERIAL_TX, SERIAL_RX);
00094 
00095 DigitalOut myled(LED1);
00096 
00097 
00098 
00099 void begin(void) {
00100 
00101     pinCS = IDLE; 
00102     pinCD = DATA;
00103     pinWR = IDLE;
00104     pinRD = IDLE;
00105     portTFT.output();    
00106 
00107     pinReset = ACTIVE;
00108     wait_ms(100);
00109     pinReset = IDLE;
00110     wait_ms(100);
00111     pinCS = ACTIVE;
00112     
00113     WriteCommand(SPFD5408_SOFTRESET);
00114     WriteData(0);
00115     wait_ms(50);
00116     
00117     WriteCommand(SPFD5408_MEMCONTROL);
00118     WriteData(SPFD5408_MADCTL_MY | SPFD5408_MADCTL_BGR);
00119     
00120     WriteCommand(SPFD5408_PIXELFORMAT);
00121     WriteData(0x55);
00122   
00123     WriteCommand(SPFD5408_FRAMECONTROL);
00124     WriteData(0x00);
00125     WriteData(0x1B);
00126   
00127     WriteCommand(SPFD5408_SLEEPOUT);
00128     WriteData(0);
00129   
00130     WriteCommand(SPFD5408_DISPLAYON);
00131     WriteData(0);
00132 }
00133 
00134 void setAddrWindow(int x1, int y1, int x2, int y2) {
00135     pinCS = ACTIVE;
00136     wait_us(TEMPS);
00137     WriteCommand(SPFD5408_COLADDRSET);
00138     WriteData(x1 >> 8);
00139     WriteData(x1);
00140     WriteData(x2 >> 8);
00141     WriteData(x2);
00142     wait_us(TEMPS);
00143     pinCS = IDLE;
00144 
00145     pinCS = ACTIVE;
00146     wait_us(TEMPS);
00147     WriteCommand(SPFD5408_PAGEADDRSET);
00148     WriteData(y1 >> 8);
00149     WriteData(y1);
00150     WriteData(y2 >> 8);
00151     WriteData(y2);
00152     wait_us(TEMPS);
00153     pinCS = IDLE;
00154 }
00155 
00156 
00157 void fillRect(uint16_t x1, uint16_t y1, uint16_t w, uint16_t h, uint16_t fillcolor) {
00158     uint8_t hi, lo;
00159     uint16_t  x2, y2;
00160     uint16_t i, j;
00161 
00162     x2 = x1 + w - 1;
00163     y2 = y1 + h - 1;
00164     setAddrWindow(x1, y1, x2, y2);
00165 
00166     hi = fillcolor >> 8;
00167     lo = fillcolor;
00168 
00169     pinCS = ACTIVE;
00170 
00171     WriteCommand(SPFD5408_MEMORYWRITE);
00172     pinCD = DATA;
00173     for (i = h; i > 0; i--)
00174     {
00175         for (j = w; j > 0; j--)
00176 
00177         {
00178             pinWR = ACTIVE;
00179             portTFT = hi;
00180             pinWR = IDLE; 
00181             pinWR = ACTIVE;
00182             portTFT = lo;
00183             pinWR = IDLE;             
00184         }
00185     }
00186     pinCS = IDLE;
00187 }
00188 
00189 
00190 int main()
00191 {
00192     begin();
00193     fillRect(0, 0, 240, 320, BLACK);
00194     fillRect(75, 100, 100, 150, RED);
00195     fillRect(80, 105, 90, 140, YELLOW);
00196    
00197     while(1)
00198     {
00199     }
00200 }
00201 
00202