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248 lines
5.5 KiB
248 lines
5.5 KiB
/**
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* Loading
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*/
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#include <stdint.h>
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#include <stdbool.h>
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#include "ssd1306.h"
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#include "user_interface.h"
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/* Tiny framebuffer */
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#define FBW DISPLAY_W
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#define FBH DISPLAY_H
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#define MIN(a,b) ((a)>(b)?(b):(a))
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#define MAX(a,b) ((a)>(b)?(a):(b))
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static uint8_t fb[(FBH/8)*FBW];
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/** Fill with a vertical pattern, 1 byte */
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void fb_fill(uint8_t pattern) {
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memset(fb, pattern, sizeof(fb));
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}
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void fb_clear() {
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fb_fill(0);
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}
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void fb_px(uint8_t x, uint8_t y, uint8_t color) {
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if (x >= FBW || y >= FBH) return;
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const uint8_t row = y / 8;
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const uint8_t rowrem = y % 8;
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const uint16_t cell = (uint16_t) x + (uint16_t) row * FBW;
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if (color) {
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fb[cell] |= (1 << rowrem);
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} else {
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fb[cell] &= ~(1 << rowrem);
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}
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}
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void fb_hline(uint8_t x, uint8_t y, uint8_t w, uint8_t color) {
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if (x >= FBW || y >= FBH) return;
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w = MIN(FBW - x, w);
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const uint8_t row = y / 8;
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const uint8_t rowrem = y % 8;
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uint16_t cell = (uint16_t) x + (uint16_t) row * FBW;
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for(uint8_t i = 0; i < w; i++) {
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if (color) {
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fb[cell] |= (1 << rowrem);
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} else {
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fb[cell] &= ~(1 << rowrem);
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}
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cell++;
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}
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}
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void fb_vline(uint8_t x, uint8_t y, uint8_t h, uint8_t color) {
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if (x >= FBW || y >= FBH) return;
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h = MIN(FBH - y - 1, h);
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const uint8_t row = y / 8;
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const uint8_t rowrem = y % 8;
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uint16_t cell = (uint16_t) x + (uint16_t) row * FBW;
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if (rowrem + h < 8) {
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// all within one cell
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uint8_t mask = (0xFF << rowrem) & (0xFF >> (h-rowrem));
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if (color) {
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fb[cell] |= mask;
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} else {
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fb[cell] &= ~mask;
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}
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return;
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} else {
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// First
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uint8_t mask = (0xFF << rowrem);
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if (color) {
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fb[cell] |= mask;
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} else {
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fb[cell] &= ~mask;
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}
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h -= rowrem;
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uint8_t whole_cells = h / 8;
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h -= whole_cells * 8;
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for(uint8_t i = 0; i < whole_cells; i++) {
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cell += FBW;
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if (color) {
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fb[cell] = 0xFF;
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} else {
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fb[cell] = 0;
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}
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}
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// last
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mask = (0xFF >> (8-h));
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if (color) {
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fb[cell] |= mask;
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} else {
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fb[cell] &= ~mask;
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}
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}
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}
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void fb_rect(uint8_t x, uint8_t y, uint8_t w, uint8_t h, uint8_t color) {
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if (x >= FBW || y >= FBH) return;
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w = MIN(FBW - x - 1, w);
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h = MIN(FBH - y - 1, h);
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const uint8_t row = y / 8;
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const uint8_t rowrem = y % 8;
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uint16_t cell = (uint16_t) x + (uint16_t) row * FBW;
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if (rowrem + h < 8) {
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// all within one cell
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uint8_t mask = (0xFF << rowrem) & (0xFF >> (h-rowrem));
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for(uint8_t i = 0; i < w; i++) {
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if (color) {
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fb[cell + i] |= mask;
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} else {
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fb[cell + i] &= ~mask;
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}
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}
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return;
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} else {
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// First
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uint8_t mask = (0xFF << rowrem);
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for(uint8_t i = 0; i < w; i++) {
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if (color) {
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fb[cell + i] |= mask;
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} else {
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fb[cell + i] &= ~mask;
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}
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}
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h -= rowrem;
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uint8_t whole_cells = h / 8;
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h -= whole_cells * 8;
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for(uint8_t j = 0; j < whole_cells; j++) {
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cell += FBW;
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for(uint8_t i = 0; i < w; i++) {
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if (color) {
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fb[cell + i] = 0xFF;
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} else {
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fb[cell + i] = 0;
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}
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}
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}
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// last
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mask = (0xFF >> (8-h));
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for(uint8_t i = 0; i < w; i++) {
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if (color) {
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fb[cell + i] |= mask;
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} else {
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fb[cell + i] &= ~mask;
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}
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}
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}
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}
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void fb_blit() {
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ssd1306_drawBuffer(0, 0, FBW, FBH, fb);
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}
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void show_loading_screen(uint8_t progress_percent, bool clear)
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{
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// HACKS - GUI dev here
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fb_clear();
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fb_blit();
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//
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// fb_hline(3, 3, 30, 1);
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// fb_hline(3, 15, 35, 1);
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// fb_hline(3, 30, 40, 1);
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//
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// fb_vline(5, 0, 15, 1);
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// fb_vline(6, 0, 32, 0);
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fb_rect(10, 10, 30, 3, 1);
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fb_rect(40, 13, 3, 10, 1);
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//
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// fb_rect(0, 0, 10, 10, 1);
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//
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// fb_rect(7, 20, 20, 1, 1);
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// fb_rect(7, 23, 20, 3, 1);
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//fb_rect(15, 0, 5, 20, 0);
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fb_blit();
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for(;;){}
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if (clear) {
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ssd1306_clearScreen();
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}
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// bar in a box
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#define hei 20
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#define wid DISPLAY_W
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#define thic 2
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#define inpad 3
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#define ofsx ((DISPLAY_W - wid)/2)
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#define ofsy ((DISPLAY_H - hei)/2)
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const uint8_t rects[4][4] = {
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// top
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{
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0, 0,
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wid - 1, thic - 1
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},
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// left
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{
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0, thic,
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thic - 1, hei - thic - 1
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},
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// right
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{
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wid - thic, thic,
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wid - 1, hei - thic - 1
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},
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// bot
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{
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0, hei - thic,
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wid - 1, hei - 1
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},
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};
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for (int i = 0; i < 4; i++) {
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ssd1306_fillRect(
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ofsx + rects[i][0],
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ofsy + rects[i][1],
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ofsx + rects[i][2],
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ofsy + rects[i][3]
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);
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}
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//
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ssd1306_fillRect(
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ofsx + thic + inpad,
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ofsy + thic + inpad,
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ofsx + (uint8_t)(((uint16_t)wid * (uint16_t)progress_percent)/(uint16_t)100) - thic - inpad - 1,
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ofsy + hei - thic - inpad - 1
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);
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}
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