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log scale 0..5 for brightness - release

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This commit is contained in:
Philippe G
2020-05-27 16:58:07 -07:00
parent 7e83c4d51d
commit 4517e9040a
5 changed files with 8 additions and 7 deletions
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7
components/squeezelite/display.c
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@@ -646,12 +646,13 @@ static void grfb_handler(u8_t *data, int len) {
pkt->brightness = htons(pkt->brightness);
xSemaphoreTake(displayer.mutex, portMAX_DELAY);
if (pkt->brightness < 0) {
// LMS driver sends 0..5 value, we assume driver is highly log
if (pkt->brightness <= 0) {
GDS_DisplayOff(display);
} else {
GDS_DisplayOn(display);
GDS_SetContrast(display, pkt->brightness);
GDS_SetContrast(display, 255 * powf(pkt->brightness / 5.0f, 3));
}
xSemaphoreGive(displayer.mutex);