kopia lustrzana https://github.com/pimoroni/pimoroni-pico
Fix for display glitch during screen initialisation
rodzic
e4afa6b6f2
commit
95142ffeb5
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@ -86,7 +86,7 @@ namespace pimoroni {
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pwm_set_wrap(pwm_gpio_to_slice_num(bl), 65535);
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pwm_init(pwm_gpio_to_slice_num(bl), &cfg, true);
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gpio_set_function(bl, GPIO_FUNC_PWM);
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set_backlight(255); // Turn backlight on by default to avoid nasty surprises
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set_backlight(0); // Turn backlight off initially to avoid nasty surprises
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}
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// if auto_init_sequence then send initialisation sequence
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@ -176,6 +176,12 @@ namespace pimoroni {
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command(reg::CASET, 4, (char *)caset);
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command(reg::RASET, 4, (char *)raset);
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command(reg::MADCTL, 1, (char *)&madctl);
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if(bl != PIN_UNUSED) {
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update(); // Send the new buffer to the display to clear any previous content
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sleep_ms(50); // Wait for the update to apply
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set_backlight(255); // Turn backlight on now surprises have passed
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}
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}
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// the dma transfer works but without vsync it's not that useful as you could
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