Imayan chan
for TFT2P0327 aitendo.com 128*160 TFT LCD. LCD driver is S6D0151 Sumsung.
Dependents: FRDM_tocos_x2_FIXED
Diff: S6D0151_TFT.cpp
- Revision:
- 0:de7db46990d0
- Child:
- 1:a3651128e297
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/S6D0151_TFT.cpp Sun Aug 23 12:28:24 2015 +0000
@@ -0,0 +1,864 @@
+ /* 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);
+}
\ No newline at end of file