for TFT2P0327 aitendo.com 128*160 TFT LCD. LCD driver is S6D0151 Sumsung.
Dependents: FRDM_tocos_x2_FIXED
S6D0151_TFT.cpp
- Committer:
- king33jp
- Date:
- 2015-08-23
- Revision:
- 0:de7db46990d0
- Child:
- 1:a3651128e297
File content as of revision 0:de7db46990d0:
/* mbed library for 128*160 pixel display TFT based on ST7735 LCD Controller * ST7735 specific routines (initialization, window addressing, pixel output) * Copyright (c) 2011 Jonne Valola * * WARNING !! WORK IN PROGRESS !!! * * Graphics routines and SPI routines derived work used with permission from: * mbed library for 240*320 pixel display TFT based on HX8347D LCD Controller * Copyright (c) 2011 Peter Drescher - DC2PD * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ #include "S6D0151_TFT.h" #include "mbed.h" #define BPP 16 // Bits per pixel S6D0151_TFT::S6D0151_TFT(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName reset, const char *name) : _spi(mosi, miso, sclk), _cs(cs), _reset(reset),GraphicsDisplay(name) { tft_reset(); orientation = 2; char_x = 0; } int S6D0151_TFT::width() { if (orientation == 0 || orientation == 2) return 128; else return 160; } int S6D0151_TFT::height() { if (orientation == 0 || orientation == 2) return 160; else return 128; } void S6D0151_TFT::set_orientation(unsigned int o) { orientation = o; #if 0 switch (orientation) { case 0: wr_reg(ST7735_MADCTL, 0x0000); break; case 1: wr_reg(ST7735_MADCTL, 0x0060); break; case 2: wr_reg(ST7735_MADCTL, 0x00C0); break; case 3: wr_reg(ST7735_MADCTL, 0x00A0); break; } #endif } void S6D0151_TFT::wr_dat_start(void) { // _rs = 1; // rs high, cs low for transmitting data _cs = 0; _spi.write( 0x72 ); // Start byte } void S6D0151_TFT::wr_dat_stop (void) { _cs = 1; } void S6D0151_TFT::set_start_address(int left,int top){ unsigned short addr; addr = (((top&0xff)<<8)|(left&0xff)); regwr( 0x0021 , addr ); } /** * */ void S6D0151_TFT::regwr(unsigned short reg,unsigned short dat){ int data; _cs = 0; _spi.write(0x70); // RW=0,ID=0,RS=0(Index Register write) data = (reg>>8)&0x00ff; _spi.write( data ); data = (reg )&0x00ff; _spi.write( data ); _cs = 1; wait_us(1); // cs=highの時間規定は無かった _cs = 0; _spi.write(0x72); // RW=0,ID=0,RS=1(data write) data = (dat>>8)&0x00ff; _spi.write( data ); data = (dat )&0x00ff; _spi.write( data ); _cs = 1; } void S6D0151_TFT::reg0(unsigned short reg){ int data; _cs = 0; _spi.write(0x70); // RW=0,ID=0,RS=0(Index Register write) data = (reg>>8)&0x00ff; _spi.write( data ); data = (reg )&0x00ff; _spi.write( data ); _cs = 1; } void S6D0151_TFT::tft_reset() { // init SPI _spi.format(8,3); // 8 bit spi mode 3 _spi.frequency(6000000); // 6Mhz SPI clock ... 10Mhz is maximum for display, but it seems to work // reset exactly like in Arduino version _cs = 0; _reset = 1; // reset wait_ms(500); _reset = 0; // reset wait_ms(500); _reset = 1; // reset wait_ms(500); /* Start Initial Sequence ----------------------------------------------------*/ regwr(0x0007,0x0020); //DISPLAY CONTROL (R07h) // X X X PT1 PT0 X X SPT X X GON DTE CL REV D1 D0 //PT[1:0]=00 V63/V0 Normal Drive //SPT=0 Split Screen Driving Function is Not performed //GON=1,DTE=0 Normal operation //CL=0 262,144 colors / 65,536 colors //REV=0 Displays all character and graphics display sections with Normal //D[1:0]=00 the internal display operation halts and the display is off. regwr(0x00b6,0x013f); //Module Vendor (RB6h) // TEST_IN4 TEST_IN3 X X X X PSMD1(0) PSM D0(1) X X 1 1 1 1 1 1 //TEST_IN4,TEST_IN3 User can know the Module Vendor through this register is accessed. //PSMD[1:0]=01 5680*(1/fosc) Select the power on time delay of step-up circuit. regwr(0x00b4,0x0010); //MTP CONTROL (RB4h) // X X X MTP_SEL X X X MTP_INIT X X X MTP_WRB X X X MTP_LOAD //MTP_SEL=0 VCOMH Control Data is VCM Register //MTP_INIT=0 //MTP_WRB=1 Cannot write MTP data //MTP_LOAD=0 regwr(0x0012,0x00b2); //POWER CONTROL 2 (R12h) // X X X X X X X X SVC3 SVC2 SVC1 SVC0 X 0 VRH5 VRH4 //SVC Adjust reference voltage of AVDD, VGH, VGL and VCL // SVC[3:0]=1011 VCI1=2.76V regwr(0x0013,0x080e); //POWER CONTROL 3 (R13h) // X X X X VCMR X X X X X X PON VRH3 VRH2 VRH1 VRH0 //PON=0 The operational amplifier is stop. //VCMR=1 VCOMH voltage=Internal electronic volume //VRH[5:0]=1e=011110 VCIR_EXIN X 2.250 = 4.50V regwr(0x0014,0x5bca); //POWER CONTROL 4 (R14h) // X VDV6 VDV5 VDV4 VDV3 VDV2 VDV1 VDV0 VCOMG VCM6 VCM5 VCM4 VCM3 VCM2 VCM1 VCM0 //VDV Set the alternating amplitudes of Vcom at the Vcom alternating drive. // VDV[6:0]=5b=1011011 GVDD x 0.984 //VCOMG=1 VcomL voltage can output to negative voltage. //Set the VcomH voltage (a high-level voltage at the Vcom alternating drive). // VCM[6:0]=1001010 GVDD x 0.8085 regwr(0x0061,0x0018); //OSCILLATOR CONTROL (R61h) // X X X X X X X X X X X RADJ4 RADJ3 RADJ2 RADJ1 RADJ0 //RADJ[4:0]=11000 Oscillation Speed=x 1.000 Default regwr(0x0010,0x190c); //POWER CONTROL 1 (R10h) // DSTB X SAP2 SAP1 SAP0 BT2 BT1 BT0 DC2 DC1 DC0 AP2 AP1 AP0 SLP STB //DSTB=0 Noraml //Adjust the slew-rate of the operational amplifier for the source driver. // SAP[2:0]=011 Medium Medium //BT[2:0]=001 VGH=AVDDx3 VGL=-(AVDDx2) VGH = Vci1 X six times //DC[2:0]=000 AVDD,VCL=DCCLK/1 VGH,VGL=DCCLK/2 //AP[2:0]=011 Amount of Current in Operational Amplifier=Medium //SLP=0 setting Sleep. Normal mode //STB=0 setting standby. normal mode wait_ms(80); regwr(0x0013,0x081e); //POWER CONTROL 3 (R13h) // X X X X VCMR X X X X X X PON VRH3 VRH2 VRH1 VRH0 //PON=1 The operational amplifier is Start. //VCMR=1 VCOMH voltage=Internal electronic volume //VRH[5:0]=1e=011110 VCIR_EXIN X 2.250 = 4.50V wait_ms(20); regwr(0x0001,0x0014); //DRIVER OUTPUT CONTROL (R01h) // X X X DPL EPL SM GS SS X X X NL4 NL3 NL2 NL1 NL0 // demo codeは0x0114だったが、SSビットを0にすると方向が正常になった。 //DPL=0,EPL=0 //SM=0 even/odd division is selected //GS=0 G1 is output first and G160 is finally output. //SS=1 Select the direction of the source driver channel in pixel unit. //NL[4:0]=10100 Drive Duty=384 X 160 dots 160 G1 to G160 regwr(0x0002,0x0100); //LCD INVERSION CONTROL (R02h) // X X X X X X FL1 FL0 X X X FLD X X X X //FL[1:0]=01 FLD=0 Line Inversion-1 field interlace regwr(0x0003,0x0030); //ENTRY MODE (R03h) // X X X BGR X X MDT1 MDT0 X X ID1 ID0 AM X X X //BGR=0 assigned to {R, G, B}.When 18-bit data is written to GRAM through DB bus //MDT[1:0]=00 260k color data is transferred by 3or2-times(setting for IM) Data Transfer. // When user wants to transfer 260k color data on 8/16-bit parallel bus //ID[1:0]=11 When ID[1], ID[0] = 1, the address counter (AC) is automatically increased by 1 after the data is written to the GRAM //AM=0 the data is continuously written in horizontally. regwr(0x0008,0x0202); //BLANK PERIOD CONTROL 1 (R08h) // X X X X FP3 FP2 FP1 FP0 X X X X BP3 BP2 BP1 BP0 //FP[3:0]=0010 //BP[3:0]=0010 //Number of Raster Periods In Front (Back) Porch Default=2; regwr(0x000b,0x0000); //FRAME CYCLE CONTROL (R0Bh) // X X X X X X DIV1 DIV0 X X X X RTN3 RTN2 RTN1 RTN0 //DIV[1:0]=00 Division Ratio=1 Internal operation clock frequency=fosc/1 //RTN[3:0]=Clock Cycles per horizontal Line= 16 (INCLKs) regwr(0x000c,0x0000); //EXTERNAL DISPLAY INTERFACE CONTROL (R0Ch) // X X X X X X X RM X X DM1 DM0 X X RIM1 RIM0 //RM=0 GRAM Access Interface=System interface //DM[1:0]=00 Display operation mode = Internal clock operation regwr(0x0061,0x0018); //OSCILLATOR CONTROL (R61h) // X X X X X X X X X X X RADJ4 RADJ3 RADJ2 RADJ1 RADJ0 //RADJ[4:0]=11000 Oscillation Speed=x 1.000 Default regwr(0x0069,0x0000); //DC/DC CONVERT LOW POWER MODE SETTING (R69h) // 0 0 0 0 0 0 0 0 0 0 0 NLDC3 NLDC2 NLDC1 NLDC0 NLPM //NLPM=0 Normal operation mode //NLDC[1:0]=00 DCCLK/1 //NLDC[3:2]=00 DCCLK/2 regwr(0x0070,0x0000); //SOURCE DRIVER PRE-DRIVING PERIOD SETTING (R70h) // X X X X X X X X SDT1 SDT0 X X X X EQ1 EQ0 //STD[1:0]=00 Source Output Delay Control=1 DISP_CK //EQ=00 No Equalization Control regwr(0x0071,0x0000); //GATE OUTPUT PERIOD CONTROL (R71h) // X X X X GNO1 GNO0 X X X X X X X X X X //GN)=00 Non-Overlap Period Control =2 DISP_CKs regwr(0x0011,0x0000); //GAMMA CONTROL 1 (R11h) // VR1C X X VRN14 VRN13 VRN12 VRN11 VRN10 X X X VRP14 VRP13 VRP12 VRP11 VRP10 //VR1C=0 Control step of amplitude positive and negative of 64-grayscale. //VRP1[4:0]=00000 Control amplitude positive polarity of 64-grayscale. //VRN1[4:0]=00000 Control amplitude negative polarity of 64-grayscale. /* Gamma settings -----------------------------------------------------------*/ ///////r CONTROL regwr(0x0030,0x0303); //GAMMA CONTROL 2 (R30h to R37h) regwr(0x0031,0x0303); //GAMMA CONTROL 2 (R30h to R37h) regwr(0x0032,0x0303); //GAMMA CONTROL 2 (R30h to R37h) regwr(0x0033,0x0000); //GAMMA CONTROL 2 (R30h to R37h) regwr(0x0034,0x0404); //GAMMA CONTROL 2 (R30h to R37h) regwr(0x0035,0x0404); //GAMMA CONTROL 2 (R30h to R37h) regwr(0x0036,0x0404); //GAMMA CONTROL 2 (R30h to R37h) regwr(0x0037,0x0000); //GAMMA CONTROL 2 (R30h to R37h) regwr(0x0038,0x0707); //GAMMA CONTROL 2 (R38h) ///////Coordinatioontrol setting regwr(0x0040,0x0000); // GATE SCAN POSITION (R40h) // 1 X X X X X X X X X X X SCN4 SCN3 SCN2 SCN1 SCN0 //Set the scanning starting position of the gate driver. regwr(0x0042,0x9f00); //1st SCREEN DRIVING POSITION (R42h) // SE17 SE16 SE15 SE14 SE13 SE12 SE11 SE10 SS17 SS16 SS15 SS14 SS13 SS12 SS11 SS10 regwr(0x0043,0x0000); //2nd SCREEN DRIVING POSITION (R43h) // SE27 SE26 SE25 SE24 SE23 SE22 SE21 SE20 SS27 SS26 SS25 SS24 SS23 SS22 SS21 SS20 regwr(0x0044,0x7f00); //HORIZONTAL RAM ADDRESS POSITION (R44h) regwr(0x0045,0x9f00); //VERTICAL RAM ADDRESS POSITION (R45h) regwr(0x0069,0x0000); //DC/DC CONVERT LOW POWER MODE SETTING (R69h) // 0 0 0 0 0 0 0 0 0 0 0 NLDC3 NLDC2 NLDC1 NLDC0 NLPM //NLPM=0 Normal operation mode //NLDC[1:0]=00 DCCLK/1 //NLDC[3:2]=00 DCCLK/2 regwr(0x0070,0x0000); //SOURCE DRIVER PRE-DRIVING PERIOD SETTING (R70h) // X X X X X X X X SDT1 SDT0 X X X X EQ1 EQ0 //STD[1:0]=00 Source Output Delay Control=1 DISP_CK //EQ=00 No Equalization Control regwr(0x0071,0x0000); //GATE OUTPUT PERIOD CONTROL (R71h) // X X X X GNO1 GNO0 X X X X X X X X X X //GNO=00 Non-Overlap Period Control =2 DISP_CKs regwr(0x0073,0x0000); //TEST_KEY (R73h) // X X X X X X X X TEST_KEY[7:0] //When you want to update MTP data, “A5” should be written to this register. regwr(0x00B3,0x0000); //PUMPING CLOCK SOURCE SELECTION (RB3h) // X 0 0 0 X 0 1 0 X X X DCR_EX X X X 1 //Select the source of pumping clock. //In RGB mode, DCR_EX should be set before power setting. regwr(0x00BD,0x0000); //MTP DATA READ (RBDh) // X X X X X X X DISEN X MTP_DOUT[6:0] //DISEN=0 Standby mode discharge circuit operation stop. //MTP_DOUT MTP data read using MTP_READ register. regwr(0x00BE,0x0000); //INTERFACE MODE SELECTION (RBEh) // X X X X X X X X X X X IM_SEL IM_3 X X FLM_MSK //IM_SEL register selects interface mode. //IM_SEL=0 is IM[3:0] setting regwr(0x0021,0x0000); //GRAM ADDRESS SET (R21h) // AD15 AD14 AD13 AD12 AD11 AD10 AD9 AD8 AD7 AD6 AD5 AD4 AD3 AD2 AD1 AD0 // You can write initial GRAM address into internal Address Counter (AC). reg0(0x0022); //WRITE DATA TO GRAM (R22h) // RAM write data (WD17 ~ WB0). Interface mode controls the width of WD // Data on DB bus is expanded to 18-bits before being written to GRAM and the data determines grayscale level of S6D0151’s source output. wait_ms(20); regwr(0x0007,0x0020); //DISPLAY CONTROL (R07h) // X X X PT1 PT0 X X SPT X X GON DTE CL REV D1 D0 //PT[1:0]=00 V63/V0 Normal Drive //SPT=0 Split Screen Driving Function is Not performed //GON=1,DTE=0 Normal operation //CL=0 262,144 colors / 65,536 colors //REV=0 Displays all character and graphics display sections with Normal //D[1:0]=00 the internal display operation halts and the display is off. wait_ms(5); regwr(0x0007,0x0021); //DISPLAY CONTROL (R07h) // X X X PT1 PT0 X X SPT X X GON DTE CL REV D1 D0 //D[1:0]=01 the internal display operation halts and the display is off. regwr(0x0007,0x0027); //DISPLAY CONTROL (R07h) // X X X PT1 PT0 X X SPT X X GON DTE CL REV D1 D0 //REV=1 Displays all character and graphics display sections with Reverse //D[1:0]=11 the internal display operation halts and the display is off. wait_ms(50); regwr(0x0007,0x0037); //DISPLAY CONTROL (R07h) // X X X PT1 PT0 X X SPT X X GON DTE CL REV D1 D0 //GON=1,DTE=1 VGH/VGL Normal operation //Revは色反転の模様 //REV=1 Displays all character and graphics display sections with Reverse //D[1:0]=11 Display is RAM data WindowMax (); } void S6D0151_TFT::pixel(int x, int y, int color) { if ((x >= width()) || (y >= height())) return; // window(x,y,x+1,y+1); window(x,y,1,1); wr_dat_start(); _spi.write(color >> 8); _spi.write(color & 0xFF); wr_dat_stop(); } void S6D0151_TFT::window (unsigned int x, unsigned int y, unsigned int w, unsigned int h) { unsigned int hea,hsa,vea,vsa,dd; hea=x+w-1; hsa=x; vea=y+h-1; vsa=y; dd=((hea&0xff)<<8)|(hsa&0xff); regwr(0x0044, dd ); //HORIZONTAL RAM ADDRESS POSITION (R44h) dd=((vea&0xff)<<8)|(vsa&0xff); regwr(0x0045, dd ); //VERTICAL RAM ADDRESS POSITION (R45h) // wr_cmd(ST7735_RAMWR); // write to RAM set_start_address(hea,vea); reg0(0x0022); //Write data to GRAM } void S6D0151_TFT::WindowMax (void) { window (0, 0, width(), height()); } void S6D0151_TFT::cls (void) { unsigned int i; WindowMax(); wr_dat_start(); for (i = 0; i < ( (width()+1) * (height()+3)); i++) { _spi.write(_background >> 8); _spi.write(_background & 0xFF); } wr_dat_stop(); } void S6D0151_TFT::circle(int x0, int y0, int r, int color) { int draw_x0, draw_y0; int draw_x1, draw_y1; int draw_x2, draw_y2; int draw_x3, draw_y3; int draw_x4, draw_y4; int draw_x5, draw_y5; int draw_x6, draw_y6; int draw_x7, draw_y7; int xx, yy; int di; WindowMax(); if (r == 0) { /* no radius */ return; } draw_x0 = draw_x1 = x0; draw_y0 = draw_y1 = y0 + r; if (draw_y0 < height()) { pixel(draw_x0, draw_y0, color); /* 90 degree */ } draw_x2 = draw_x3 = x0; draw_y2 = draw_y3 = y0 - r; if (draw_y2 >= 0) { pixel(draw_x2, draw_y2, color); /* 270 degree */ } draw_x4 = draw_x6 = x0 + r; draw_y4 = draw_y6 = y0; if (draw_x4 < width()) { pixel(draw_x4, draw_y4, color); /* 0 degree */ } draw_x5 = draw_x7 = x0 - r; draw_y5 = draw_y7 = y0; if (draw_x5>=0) { pixel(draw_x5, draw_y5, color); /* 180 degree */ } if (r == 1) { return; } di = 3 - 2*r; xx = 0; yy = r; while (xx < yy) { if (di < 0) { di += 4*xx + 6; } else { di += 4*(xx - yy) + 10; yy--; draw_y0--; draw_y1--; draw_y2++; draw_y3++; draw_x4--; draw_x5++; draw_x6--; draw_x7++; } xx++; draw_x0++; draw_x1--; draw_x2++; draw_x3--; draw_y4++; draw_y5++; draw_y6--; draw_y7--; if ( (draw_x0 <= width()) && (draw_y0>=0) ) { pixel(draw_x0, draw_y0, color); } if ( (draw_x1 >= 0) && (draw_y1 >= 0) ) { pixel(draw_x1, draw_y1, color); } if ( (draw_x2 <= width()) && (draw_y2 <= height()) ) { pixel(draw_x2, draw_y2, color); } if ( (draw_x3 >=0 ) && (draw_y3 <= height()) ) { pixel(draw_x3, draw_y3, color); } if ( (draw_x4 <= width()) && (draw_y4 >= 0) ) { pixel(draw_x4, draw_y4, color); } if ( (draw_x5 >= 0) && (draw_y5 >= 0) ) { pixel(draw_x5, draw_y5, color); } if ( (draw_x6 <=width()) && (draw_y6 <= height()) ) { pixel(draw_x6, draw_y6, color); } if ( (draw_x7 >= 0) && (draw_y7 <= height()) ) { pixel(draw_x7, draw_y7, color); } } return; } void S6D0151_TFT::fillcircle(int x, int y, int r, int color) { int i; for (i = 0; i <= r; i++) circle(x,y,i,color); } void S6D0151_TFT::fillcircle2(int x0, int y0, int r, int color){ int x = -r, y = 0, err = 2-2*r, e2; do { vline(x0-x, y0-y, y0+y, color); vline(x0+x, y0-y, y0+y, color); e2 = err; if (e2 <= y) { err += ++y*2+1; if (-x == y && e2 <= x) e2 = 0; } if (e2 > x) err += ++x*2+1; } while (x <= 0); } void S6D0151_TFT::hline(int x0, int x1, int y, int color) { int w; w = x1 - x0 + 1; window(x0,y,w,1); wr_dat_start(); for (int x=0; x<w; x++) { _spi.write(color >> 8); _spi.write(color); } wr_dat_stop(); return; } void S6D0151_TFT::vline(int x, int y0, int y1, int color) { int h; h = y1 - y0 + 1; window(x,y0,1,h); wr_dat_start(); for (int y=0; y<h; y++) { _spi.write(color >> 8); _spi.write(color); } wr_dat_stop(); return; } void S6D0151_TFT::line(int x0, int y0, int x1, int y1, int color) { WindowMax(); int dx = 0, dy = 0; int dx_sym = 0, dy_sym = 0; int dx_x2 = 0, dy_x2 = 0; int di = 0; dx = x1-x0; dy = y1-y0; if (dx == 0) { /* vertical line */ if (y1 > y0) vline(x0,y0,y1,color); else vline(x0,y1,y0,color); return; } if (dx > 0) { dx_sym = 1; } else { dx_sym = -1; } if (dy == 0) { /* horizontal line */ if (x1 > x0) hline(x0,x1,y0,color); else hline(x1,x0,y0,color); return; } if (dy > 0) { dy_sym = 1; } else { dy_sym = -1; } dx = dx_sym*dx; dy = dy_sym*dy; dx_x2 = dx*2; dy_x2 = dy*2; if (dx >= dy) { di = dy_x2 - dx; while (x0 != x1) { pixel(x0, y0, color); x0 += dx_sym; if (di<0) { di += dy_x2; } else { di += dy_x2 - dx_x2; y0 += dy_sym; } } pixel(x0, y0, color); } else { di = dx_x2 - dy; while (y0 != y1) { pixel(x0, y0, color); y0 += dy_sym; if (di < 0) { di += dx_x2; } else { di += dx_x2 - dy_x2; x0 += dx_sym; } } pixel(x0, y0, color); } return; } void S6D0151_TFT::rect(int x0, int y0, int x1, int y1, int color) { if (x1 > x0) hline(x0,x1,y0,color); else hline(x1,x0,y0,color); if (y1 > y0) vline(x0,y0,y1,color); else vline(x0,y1,y0,color); if (x1 > x0) hline(x0,x1,y1,color); else hline(x1,x0,y1,color); if (y1 > y0) vline(x1,y0,y1,color); else vline(x1,y1,y0,color); return; } void S6D0151_TFT::fillrect(int x0, int y0, int x1, int y1, int color) { int h = y1 - y0 + 1; int w = x1 - x0 + 1; int pixel = h * w; window(x0,y0,w,h); wr_dat_start(); for (int p=0; p<pixel; p++) { _spi.write(color >> 8); _spi.write(color); } wr_dat_stop(); return; } void S6D0151_TFT::locate(int x, int y) { char_x = x; char_y = y; } int S6D0151_TFT::columns() { return width() / font[1]; } int S6D0151_TFT::rows() { return height() / font[2]; } int S6D0151_TFT::_putc(int value) { if (value == '\n') { // new line char_x = 0; char_y = char_y + font[2]; if (char_y >= height() - font[2]) { char_y = 0; } } else { character(char_x, char_y, value); } return value; } void S6D0151_TFT::character(int x, int y, int c) { unsigned int hor,vert,offset,bpl,j,i,b; unsigned char* zeichen; unsigned char z,w; if ((c < 31) || (c > 156)) return; // test char range // read font parameter from start of array offset = font[0]; // bytes / char hor = font[1]; // get hor size of font vert = font[2]; // get vert size of font bpl = font[3]; // bytes per line if (char_x + hor > width()) { char_x = 0; char_y = char_y + vert; if (char_y >= height() - font[2]) { char_y = 0; } } window(char_x, char_y,hor,vert); // char box wr_dat_start(); zeichen = &font[((c -32) * offset) + 4]; // start of char bitmap w = zeichen[0]; // width of actual char for (j=0; j<vert; j++) { // vert line for (i=0; i<hor; i++) { // horz line z = zeichen[bpl * i + ((j & 0xF8) >> 3)+1]; b = 1 << (j & 0x07); if (( z & b ) == 0x00) { _spi.write(_background >> 8); _spi.write(_background & 0xff); } else { _spi.write(_foreground >> 8); _spi.write(_foreground & 0xff); } } } wr_dat_stop(); if ((w + 2) < hor) { // x offset to next char char_x += w + 2; } else char_x += hor; } void S6D0151_TFT::set_font(unsigned char* f) { font = f; } void S6D0151_TFT::Bitmap(unsigned int x, unsigned int y, unsigned int w, unsigned int h,unsigned char *bitmap) { unsigned int i,j; unsigned short *bitmap_ptr = (unsigned short *)bitmap; window(x, y, w, h); wr_dat_start(); for (j = 0; j < h; j++) { //Lines for (i = 0; i < w; i++) { // copy pixel data to TFT _spi.write(*bitmap_ptr >> 8); _spi.write(*bitmap_ptr); // one line bitmap_ptr++; } } wr_dat_stop(); } int S6D0151_TFT::BMP_16(unsigned int x, unsigned int y, const char *Name_BMP) { // BEWARE ! // NOT TESTED #define OffsetPixelWidth 18 #define OffsetPixelHeigh 22 #define OffsetFileSize 34 #define OffsetPixData 10 #define OffsetBPP 28 char filename[50]; unsigned char BMP_Header[54]; unsigned short BPP_t; unsigned int PixelWidth,PixelHeigh,start_data; unsigned int i,off; int padd,j; unsigned short *line; // get the filename #if 0 LocalFileSystem local("local"); #endif sprintf(&filename[0],"/local/"); i=7; while (*Name_BMP!='\0') { filename[i++]=*Name_BMP++; } FILE *Image = fopen((const char *)&filename[0], "r"); // open the bmp file if (!Image) { return(0); // error file not found ! } fread(&BMP_Header[0],1,54,Image); // get the BMP Header if (BMP_Header[0] != 0x42 || BMP_Header[1] != 0x4D) { // check magic byte fclose(Image); return(-1); // error no BMP file } BPP_t = BMP_Header[OffsetBPP] + (BMP_Header[OffsetBPP + 1] << 8); if (BPP_t != 0x0010) { fclose(Image); return(-2); // error no 16 bit BMP } PixelHeigh = BMP_Header[OffsetPixelHeigh] + (BMP_Header[OffsetPixelHeigh + 1] << 8) + (BMP_Header[OffsetPixelHeigh + 2] << 16) + (BMP_Header[OffsetPixelHeigh + 3] << 24); PixelWidth = BMP_Header[OffsetPixelWidth] + (BMP_Header[OffsetPixelWidth + 1] << 8) + (BMP_Header[OffsetPixelWidth + 2] << 16) + (BMP_Header[OffsetPixelWidth + 3] << 24); if (PixelHeigh > height() + y || PixelWidth > width() + x) { fclose(Image); return(-3); // to big } start_data = BMP_Header[OffsetPixData] + (BMP_Header[OffsetPixData + 1] << 8) + (BMP_Header[OffsetPixData + 2] << 16) + (BMP_Header[OffsetPixData + 3] << 24); line = (unsigned short *) malloc (PixelWidth); // we need a buffer for a line if (line == NULL) { return(-4); // error no memory } // the lines are padded to multiple of 4 bytes padd = -1; do { padd ++; } while ((PixelWidth * 2 + padd)%4 != 0); window(x, y,PixelWidth,PixelHeigh); //wr_cmd(0x2C); wr_dat_start(); #ifndef TARGET_KL25Z // only 8 Bit SPI _spi.format(16,3); #endif // switch to 16 bit Mode 3 for (j = PixelHeigh - 1; j >= 0; j--) { //Lines bottom up off = j * (PixelWidth * 2 + padd) + start_data; // start of line fseek(Image, off ,SEEK_SET); fread(line,1,PixelWidth * 2,Image); // read a line - slow ! for (i = 0; i < PixelWidth; i++) { // copy pixel data to TFT #ifndef TARGET_KL25Z // only 8 Bit SPI _spi.write(line[i]); // one 16 bit pixel #else _spi.write(line[i] >> 8); _spi.write(line[i]); #endif } } _spi.format(8,3); wr_dat_stop(); free (line); fclose(Image); return(1); }