kopia lustrzana https://github.com/pimoroni/pimoroni-pico
50 wiersze
1.3 KiB
C++
50 wiersze
1.3 KiB
C++
#include "sh1107.hpp"
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#include <cstdlib>
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#include <math.h>
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#include <string.h>
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namespace pimoroni {
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void SH1107::update(PicoGraphics *graphics) {
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if(graphics->pen_type == PicoGraphics::PEN_1BIT) { // Display buffer is screen native
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uint8_t *p = (uint8_t *)graphics->frame_buffer;
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uint framebuffer_size = PicoGraphics_Pen1Bit::buffer_size(width, height);
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uint page_size = framebuffer_size / 16;
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uint8_t temp[framebuffer_size] = {0};
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uint8_t *ptemp = temp;
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for(int y = 0; y < height; y++) {
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for(int x = 0; x < width; x++) {
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uint bo = 7 - (x & 0b111);
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uint8_t color = p[(x / 8) + (y * width / 8)] & (1U << bo);
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if(color) {
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temp[x + (y / 8 ) * width] |= 1 << (y % 8);
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}else{
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temp[x + (y / 8 ) * width] &= ~(1 << (y % 8));
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}
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}
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}
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uint8_t buf[page_size + 1];
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for(int i = 0; i < 16; i++) {
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i2c.reg_write_uint8(i2c_address, 0, 0xb0 + i);
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i2c.reg_write_uint8(i2c_address, 0, 0x00);
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i2c.reg_write_uint8(i2c_address, 0, 0x10);
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memcpy(buf + 1, ptemp, page_size);
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buf[0] = 0x40;
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i2c.write_blocking(i2c_address, buf, page_size + 1, false);
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ptemp += page_size;
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}
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}
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}
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}
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