Pio Matrix Led MSB invertido & OLED lento #20
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HiloGoes
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O código anterior fornecia o para pino matrix led, com LSB enviado primeiro e MSB posterior, isso gera um erro ao escrever valores que sejam diferentes de 255 ou 0.
Nota do fabricante Worldsemi na página 5/5, disponível em WS2812B.pdf, sobre a ordem dos bits a serem enviados:
'Note: Follow the order of GRB to sent data and the high bit sent at first.'
Bug:
Fix:
E também o código da biblioteca ssd1306 tem um bug de extrema lentidão na escrita do bitmap, isso ocorreu pois na função ssd1306_draw_bitmap, estava-se enviando os dentro do for, causando uma atualização da imagem muito lenta.