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@ -153,7 +153,8 @@ void common_hal_displayio_display_construct(displayio_display_obj_t* self,
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common_hal_pulseio_pwmout_never_reset(&self->backlight_pwm);
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}
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}
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if (!self->auto_brightness && (self->backlight_inout.base.type != &mp_type_NoneType || brightness_command <= 0xff)) {
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if (!self->auto_brightness && (self->backlight_inout.base.type != &mp_type_NoneType ||
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brightness_command != NO_BRIGHTNESS_COMMAND)) {
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common_hal_displayio_display_set_brightness(self, brightness);
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} else {
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self->current_brightness = -1.0;
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@ -258,7 +259,7 @@ bool common_hal_displayio_display_set_brightness(displayio_display_obj_t* self,
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} else if (self->backlight_inout.base.type == &digitalio_digitalinout_type) {
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common_hal_digitalio_digitalinout_set_value(&self->backlight_inout, brightness > 0.99);
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ok = true;
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} else if (self->brightness_command < 0x100) {
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} else if (self->brightness_command != NO_BRIGHTNESS_COMMAND) {
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ok = self->begin_transaction(self->bus);
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if (ok) {
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if (self->data_as_commands) {
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@ -315,17 +316,16 @@ void displayio_display_set_region_to_update(displayio_display_obj_t* self, displ
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data_length = 0;
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}
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if (self->single_byte_bounds) {
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data[data_length] = x1 + self->colstart;
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data[data_length + 1] = x2 - 1 + self->colstart;
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data[data_length++] = x1 + self->colstart;
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data[data_length++] = x2 - 1 + self->colstart;
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data_length += 2;
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} else {
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x1 += self->colstart;
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x2 += self->colstart - 1;
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data[data_length] = x1 >> 8;
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data[data_length + 1] = x1 & 0xff;
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data[data_length + 2] = x2 >> 8;
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data[data_length + 3] = x2 & 0xff;
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data_length += 4;
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data[data_length++] = x1 >> 8;
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data[data_length++] = x1 & 0xff;
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data[data_length++] = x2 >> 8;
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data[data_length++] = x2 & 0xff;
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}
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self->send(self->bus, self->data_as_commands, data, data_length);
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@ -337,17 +337,15 @@ void displayio_display_set_region_to_update(displayio_display_obj_t* self, displ
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data_length = 0;
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}
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if (self->single_byte_bounds) {
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data[data_length] = y1 + self->rowstart;
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data[data_length + 1] = y2 - 1 + self->rowstart;
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data_length += 2;
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data[data_length++] = y1 + self->rowstart;
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data[data_length++] = y2 - 1 + self->rowstart;
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} else {
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y1 += self->rowstart;
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y2 += self->rowstart - 1;
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data[data_length] = y1 >> 8;
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data[data_length + 1] = y1 & 0xff;
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data[data_length + 2] = y2 >> 8;
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data[data_length + 3] = y2 & 0xff;
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data_length += 4;
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data[data_length++] = y1 >> 8;
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data[data_length++] = y1 & 0xff;
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data[data_length++] = y2 >> 8;
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data[data_length++] = y2 & 0xff;
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}
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self->send(self->bus, self->data_as_commands, data, data_length);
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}
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Scott Shawcroft
4 years ago