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Taranis LCD functions refactoring
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17 changed files with 785 additions and 610 deletions
246
radio/src/lcd_taranis.cpp
Executable file
246
radio/src/lcd_taranis.cpp
Executable file
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/*
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* Authors (alphabetical order)
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* - Andre Bernet <bernet.andre@gmail.com>
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* - Andreas Weitl
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* - Bertrand Songis <bsongis@gmail.com>
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* - Bryan J. Rentoul (Gruvin) <gruvin@gmail.com>
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* - Cameron Weeks <th9xer@gmail.com>
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* - Erez Raviv
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* - Gabriel Birkus
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* - Jean-Pierre Parisy
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* - Karl Szmutny
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* - Michael Blandford
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* - Michal Hlavinka
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* - Pat Mackenzie
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* - Philip Moss
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* - Rob Thomson
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* - Romolo Manfredini <romolo.manfredini@gmail.com>
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* - Thomas Husterer
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*
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* opentx is based on code named
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* gruvin9x by Bryan J. Rentoul: http://code.google.com/p/gruvin9x/,
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* er9x by Erez Raviv: http://code.google.com/p/er9x/,
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* and the original (and ongoing) project by
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* Thomas Husterer, th9x: http://code.google.com/p/th9x/
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#include "opentx.h"
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void lcdPutPattern(xcoord_t x, uint8_t y, const uint8_t * pattern, uint8_t width, uint8_t height, LcdFlags flags)
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{
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bool blink = false;
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bool inv = false;
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if (flags & BLINK) {
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if (BLINK_ON_PHASE) {
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if (flags & INVERS)
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inv = true;
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else {
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blink = true;
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}
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}
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}
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else if (flags & INVERS) {
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inv = true;
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}
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uint8_t lines = (height+7)/8;
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assert(lines <= 5);
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for (int8_t i=0; i<width+2; i++) {
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if (x<LCD_W) {
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uint8_t b[5] = { 0 };
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if (i==0) {
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if (x==0 || !inv) {
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lcdNextPos++;
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continue;
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}
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else {
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x--;
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}
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}
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else if (i<=width) {
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uint8_t skip = true;
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for (uint8_t j=0; j<lines; j++) {
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b[j] = pgm_read_byte(pattern++); /*top byte*/
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if (b[j] != 0xff) {
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skip = false;
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}
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}
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if (skip) {
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if (flags & FIXEDWIDTH) {
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for (uint8_t j=0; j<lines; j++) {
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b[j] = 0;
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}
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}
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else {
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continue;
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}
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}
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if ((flags & CONDENSED) && i==2) {
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/*condense the letter by skipping column 3 */
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continue;
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}
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}
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for (int8_t j=-1; j<=height; j++) {
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bool plot;
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if (j < 0 || j == height) {
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plot = false;
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if (j<0 && !inv) continue;
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}
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else {
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uint8_t line = (j / 8);
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uint8_t pixel = (j % 8);
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plot = b[line] & (1 << pixel);
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}
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if (inv) plot = !plot;
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if (!blink) {
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lcd_plot(x, y+j, plot ? FORCE : ERASE);
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}
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}
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}
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x++;
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lcdNextPos++;
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}
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}
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void lcd_mask(uint8_t *p, uint8_t mask, LcdFlags att)
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{
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ASSERT_IN_DISPLAY(p);
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if (att&FILL_WHITE) {
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// TODO I could remove this, it's used for the top bar
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if (*p & 0x0F) mask &= 0xF0;
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if (*p & 0xF0) mask &= 0x0F;
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}
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if (att & FORCE) {
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*p |= mask;
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}
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else if (att & ERASE) {
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*p &= ~mask;
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}
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else {
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*p ^= mask;
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}
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}
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#define PIXEL_GREY_MASK(y, att) (((y) & 1) ? (0xF0 - (GREY_MASK(att) >> 8)) : (0x0F - (GREY_MASK(att) >> 12)))
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void lcd_plot(xcoord_t x, uint8_t y, LcdFlags att)
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{
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uint8_t *p = &displayBuf[ y / 2 * LCD_W + x ];
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uint8_t mask = PIXEL_GREY_MASK(y, att);
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if (p<DISPLAY_END) {
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lcd_mask(p, mask, att);
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}
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}
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void lcd_hlineStip(xcoord_t x, uint8_t y, xcoord_t w, uint8_t pat, LcdFlags att)
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{
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if (y >= LCD_H) return;
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if (x+w > LCD_W) { w = LCD_W - x; }
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uint8_t *p = &displayBuf[ y / 2 * LCD_W + x ];
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uint8_t mask = PIXEL_GREY_MASK(y, att);
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while (w--) {
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if (pat&1) {
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lcd_mask(p, mask, att);
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pat = (pat >> 1) | 0x80;
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}
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else {
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pat = pat >> 1;
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}
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p++;
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}
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}
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void lcd_vlineStip(xcoord_t x, int8_t y, int8_t h, uint8_t pat, LcdFlags att)
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{
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if (x >= LCD_W) return;
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if (y >= LCD_H) return;
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if (h<0) { y+=h; h=-h; }
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if (y<0) { h+=y; y=0; }
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if (y+h > LCD_H) { h = LCD_H - y; }
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if (pat==DOTTED && !(y%2)) {
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pat = ~pat;
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}
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while (h--) {
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if (pat & 1) {
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lcd_plot(x, y, att);
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pat = (pat >> 1) | 0x80;
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}
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else {
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pat = pat >> 1;
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}
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y++;
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}
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}
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void lcd_invert_line(int8_t y)
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{
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uint8_t *p = &displayBuf[y * 4 * LCD_W];
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for (xcoord_t x=0; x<LCD_W*4; x++) {
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ASSERT_IN_DISPLAY(p);
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*p++ ^= 0xff;
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}
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}
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#if !defined(BOOT)
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void lcd_img(xcoord_t x, uint8_t y, const pm_uchar * img, uint8_t idx, LcdFlags att)
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{
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const pm_uchar *q = img;
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uint8_t w = pgm_read_byte(q++);
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uint8_t hb = (pgm_read_byte(q++)+7) / 8;
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bool inv = (att & INVERS) ? true : (att & BLINK ? BLINK_ON_PHASE : false);
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q += idx*w*hb;
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for (uint8_t yb = 0; yb < hb; yb++) {
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for (xcoord_t i=0; i<w; i++) {
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uint8_t b = pgm_read_byte(q++);
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uint8_t val = inv ? ~b : b;
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for (int k=0; k<8; k++) {
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if (val & (1<<k)) {
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lcd_plot(x+i, y+yb*8+k, 0);
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}
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}
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}
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}
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}
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void lcd_bmp(xcoord_t x, uint8_t y, const pm_uchar * img, uint8_t offset, uint8_t width)
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{
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const pm_uchar *q = img;
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uint8_t w = pgm_read_byte(q++);
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if (!width) width = w;
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uint8_t rows = (pgm_read_byte(q++) + 1) / 2;
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for (uint8_t row=0; row<rows; row++) {
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q = img + 2 + row*w + offset;
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uint8_t *p = &displayBuf[(row + (y/2)) * LCD_W + x];
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for (xcoord_t i=0; i<width; i++) {
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uint8_t b = pgm_read_byte(q++);
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if (y & 1) {
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*p = (*p & 0x0f) + ((b & 0x0f) << 4);
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*(p+LCD_W) = (*(p+LCD_W) & 0xf0) + ((b & 0xf0) >> 4);
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}
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else {
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*p = b;
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}
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p++;
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}
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}
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}
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#endif
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