to extend font size
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Diff: sharp_mlcd.cpp
- Revision:
- 0:c99dda90f834
- Child:
- 1:f8ba3b236d12
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/sharp_mlcd.cpp Sat May 10 15:32:38 2014 +0000 @@ -0,0 +1,497 @@ +/* + * mbed library for the Sharp memory LCD LS027BDH01 / LS013B4DN04 + * derived from C12832_lcd + * Copyright (c) 2014 Masato YAMANISHI + * Released under the MIT License: http://mbed.org/license/mit + */ + +/* mbed library for the mbed Lab Board 128*32 pixel LCD + * use C12832 controller + * Copyright (c) 2012 Peter Drescher - DC2PD + * Released under the MIT License: http://mbed.org/license/mit + * + * 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. + */ + +// 13.10.12 initial design +// 25.10.12 add autorefresh of screen +// 25.10.12 add standart font +// 20.12.12 add bitmap graphics + +// optional defines : +// #define debug_lcd 1 + +// #include "mbed.h" +#include "sharp_mlcd.h" +#include "stdio.h" +#include "Small_7.h" + +sharp_mlcd::sharp_mlcd(const char* name) + : _spi(D11,NC,D13),_EXTCOM(D9),_DISP(D8),_CS(D10), GraphicsDisplay(name) // for nucleo L152RE or other +{ + draw_mode = NORMAL; + char_x = 0; + lcd_reset(); +} + +int sharp_mlcd::width() +{ + return WIDTH; +} + +int sharp_mlcd::height() +{ + return HEIGHT; // 32; +} + +// write command to lcd controller + + +// reset and init the lcd controller + +void sharp_mlcd::lcd_reset() +{ + _CS = 0; + _spi.format(8, 0); // 8 bit spi mode 0 + _spi.frequency(2000000); // 2 Mhz SPI clock + _DISP = 1; + flip = 0; + // timer.attach(attime, 0.5); // 1KHz + + _CS = 1; + wait_us(4); + _spi.write(0x20); // 0x20:clear 0x00:run + _spi.write(0); // dummy + wait_us(2); + _CS = 0; + + // clear and update LCD + cls(); + // memset(buffer,0xff,BUFFER_SIZE); // clear display buffer + // copy_to_lcd(); + auto_up = 1; // switch on auto update + // dont do this by default. Make the user call + //claim(stdout); // redirekt printf to lcd + locate(0,0); + set_font((unsigned char*)Small_7); // standart font +} + +// set one pixel in buffer + +void sharp_mlcd::pixel(int x, int y, int color) +{ + // first check parameter + if(x > WIDTH || y > HEIGHT || x < 0 || y < 0) return; + + if(draw_mode == NORMAL) { + if(color == 0) + buffer[x/8 + (y*WIDTH/8)] &= ~(1 << (7-(x%8))); // set pixel + else + buffer[x/8 + (y*WIDTH/8)] |= (1 << (7-(x%8))); // erase pixel + } else { // XOR mode + if(color == 1) + buffer[x/8 + (y*WIDTH/8)] ^= (1 << (7-(x%8))); // xor pixel + } +} + +// update lcd + +void sharp_mlcd::attime() { + flip = !flip; + _EXTCOM = flip; +} + +unsigned char sharp_mlcd::bit_reverse(unsigned char c) { + unsigned char u=0; // c = TESTVALUE; + int i; + + for (i=0 ; i<4 ; i++) + u |= ((c & (1 << i)) << (7-2*i)) | ((c & (1 << 7-i)) >> (7-2*i)); + return u; +} + +void sharp_mlcd::copy_to_lcd(void) +{ + const int start = 0; + int x, y; + unsigned char *p = (unsigned char*)buffer; // image; + + _CS = 1; + wait_us(4); // min 3us + // + for (y = 0; y < HEIGHT; y++) { + _spi.write(0x80); // update mode (multi line) + _spi.write(bit_reverse((y + 1 + start) % HEIGHT)); // set gate line address + for (x = 0; x < (WIDTH / 8); x++) { + _spi.write(*p++); // (((y / 8) + x + mode) % 2)? 0xff: 0); + } + } + // + wait_us(2); // min 1us + _CS = 0; +} + +void sharp_mlcd::cls(void) +{ + memset(buffer,0x00,BUFFER_SIZE); // clear display buffer + copy_to_lcd(); +} + + +void sharp_mlcd::line(int x0, int y0, int x1, int y1, int color) +{ + 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); + } + if(auto_up) copy_to_lcd(); +} + +void sharp_mlcd::rect(int x0, int y0, int x1, int y1, int color) +{ + + if (x1 > x0) line(x0,y0,x1,y0,color); + else line(x1,y0,x0,y0,color); + + if (y1 > y0) line(x0,y0,x0,y1,color); + else line(x0,y1,x0,y0,color); + + if (x1 > x0) line(x0,y1,x1,y1,color); + else line(x1,y1,x0,y1,color); + + if (y1 > y0) line(x1,y0,x1,y1,color); + else line(x1,y1,x1,y0,color); + + if(auto_up) copy_to_lcd(); +} + +void sharp_mlcd::fillrect(int x0, int y0, int x1, int y1, int color) +{ + int l,c,i; + if(x0 > x1) { + i = x0; + x0 = x1; + x1 = i; + } + + if(y0 > y1) { + i = y0; + y0 = y1; + y1 = i; + } + + for(l = x0; l<= x1; l ++) { + for(c = y0; c<= y1; c++) { + pixel(l,c,color); + } + } + if(auto_up) copy_to_lcd(); +} + + + +void sharp_mlcd::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); + } + } + if(auto_up) copy_to_lcd(); +} + +void sharp_mlcd::fillcircle(int x, int y, int r, int color) +{ + int i,up; + up = auto_up; + auto_up = 0; // off + for (i = 0; i <= r; i++) + circle(x,y,i,color); + auto_up = up; + if(auto_up) copy_to_lcd(); +} + +void sharp_mlcd::setmode(int mode) +{ + draw_mode = mode; +} + +void sharp_mlcd::locate(int x, int y) +{ + char_x = x; + char_y = y; +} + + + +int sharp_mlcd::columns() +{ + return width() / font[1]; +} + + + +int sharp_mlcd::rows() +{ + return height() / font[2]; +} + + + +int sharp_mlcd::_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); + if(auto_up) copy_to_lcd(); + } + return value; +} + +void sharp_mlcd::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 > 127)) 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; + } + } + + zeichen = &font[((c -32) * offset) + 4]; // start of char bitmap + w = zeichen[0]; // width of actual char + // construct the char into the buffer + 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) { + pixel(x+i,y+j,0); + } else { + pixel(x+i,y+j,1); + } + + } + } + + char_x += w; +} + +void sharp_mlcd::set_font(unsigned char* f) +{ + font = f; +} + +void sharp_mlcd::set_auto_up(unsigned int up) +{ + if(up ) auto_up = 1; + else auto_up = 0; +} + +unsigned int sharp_mlcd::get_auto_up(void) +{ + return (auto_up); +} + +void sharp_mlcd::print_bm(Bitmap bm, int x, int y) +{ + int h,v,b; + char d; + + for(v=0; v < bm.ySize; v++) { // lines + for(h=0; h < bm.xSize; h++) { // pixel + if(h + x > WIDTH-1) break; + if(v + y > HEIGHT-1) break; + d = bm.data[bm.Byte_in_Line * v + ((h & 0xF8) >> 3)]; + b = 0x80 >> (h & 0x07); + if((d & b) == 0) { + pixel(x+h,y+v,0); + } else { + pixel(x+h,y+v,1); + } + } + } +} + \ No newline at end of file