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Pio Matrix Led MSB invertido & OLED lento #20

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Pio Matrix Led MSB invertido & OLED lento #20

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c35d88e
Pio Matrix Led fix bit order
HiloGoes Jan 14, 2025
126457f
fix:!Desenhando 1024 vezes a mesma imagem
HiloGoes Jan 22, 2025
c589b37
Merge branch 'BitDogLab:main' into main
HiloGoes Jan 22, 2025
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3 changes: 1 addition & 2 deletions display_oled/inc/ssd1306_i2c.c
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Original file line number Diff line number Diff line change
Expand Up @@ -239,7 +239,6 @@ void ssd1306_send_data(ssd1306_t *ssd) {
void ssd1306_draw_bitmap(ssd1306_t *ssd, const uint8_t *bitmap) {
for (int i = 0; i < ssd->bufsize - 1; i++) {
ssd->ram_buffer[i + 1] = bitmap[i];

ssd1306_send_data(ssd);
}
ssd1306_send_data(ssd);
}
6 changes: 3 additions & 3 deletions neopixel_pio/neopixel_pio.c
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Expand Up @@ -74,9 +74,9 @@ void npClear() {
void npWrite() {
// Escreve cada dado de 8-bits dos pixels em sequência no buffer da máquina PIO.
for (uint i = 0; i < LED_COUNT; ++i) {
pio_sm_put_blocking(np_pio, sm, leds[i].G);
pio_sm_put_blocking(np_pio, sm, leds[i].R);
pio_sm_put_blocking(np_pio, sm, leds[i].B);
pio_sm_put_blocking(np_pio, sm, leds[i].G<<24);
pio_sm_put_blocking(np_pio, sm, leds[i].R<<24);
pio_sm_put_blocking(np_pio, sm, leds[i].B<<24);
}
sleep_us(100); // Espera 100us, sinal de RESET do datasheet.
}
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2 changes: 1 addition & 1 deletion neopixel_pio/ws2818b.pio
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Expand Up @@ -20,7 +20,7 @@ void ws2818b_program_init(PIO pio, uint sm, uint offset, uint pin, float freq) {
// Program configuration.
pio_sm_config c = ws2818b_program_get_default_config(offset);
sm_config_set_sideset_pins(&c, pin); // Uses sideset pins.
sm_config_set_out_shift(&c, true, true, 8); // 8 bit transfers, right-shift.
sm_config_set_out_shift(&c, false, true, 8); // 8 bit transfers, right-shift.
sm_config_set_fifo_join(&c, PIO_FIFO_JOIN_TX); // Use only TX FIFO.
float prescaler = clock_get_hz(clk_sys) / (10.f * freq); // 10 cycles per transmission, freq is frequency of encoded bits.
sm_config_set_clkdiv(&c, prescaler);
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