Private
Public Access
56 lines
2.2 KiB
C
56 lines
2.2 KiB
C
#ifndef HYPERDRM_LAYOUT_REFRESH_H
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#define HYPERDRM_LAYOUT_REFRESH_H
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#define LAYOUT_REFRESH_MS 5000
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static ReceiverProbe layout_probe = {.fd = -1};
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static uint64_t next_layout_check, last_layout_check;
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static unsigned layout_updates, layout_probe_generation;
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static char layout_error[128];
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static void layout_refresh_reset(uint64_t due) {
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probe_close(&layout_probe);
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layout_probe.stage = TEST_IDLE;
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next_layout_check = due;
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}
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static bool layout_mapping_changed(const ReceiverLayoutContext *layout, const LedBlend *next,
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unsigned count) {
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if (count != layout->count || !layout->blends)
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return true;
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for (unsigned i = 0; i < count; i++)
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if (next[i].a != layout->blends[i].a || next[i].b != layout->blends[i].b ||
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next[i].weight != layout->blends[i].weight)
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return true;
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return false;
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}
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static void layout_refresh_tick(PlaybackJson *json, uint64_t now, bool running,
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ReceiverLayoutContext *layout) {
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if (!running) {
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layout_refresh_reset(now + LAYOUT_REFRESH_MS);
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return;
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}
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probe_tick(&layout_probe, json, now);
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if (layout_probe.stage == TEST_DONE) {
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if (layout_probe_generation == calibration_generation) {
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if (layout_mapping_changed(layout, layout_probe.mapping, layout_probe.leds)) {
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free(layout->blends);
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layout->blends = layout_probe.mapping;
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layout_probe.mapping = NULL;
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layout->count = layout_probe.leds;
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layout_updates++;
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}
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last_layout_check = now;
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layout_error[0] = 0;
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} else
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next_layout_check = now;
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probe_close(&layout_probe);
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layout_probe.stage = TEST_IDLE;
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} else if (layout_probe.stage == TEST_FAILED) {
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snprintf(layout_error, sizeof(layout_error), "%s", layout_probe.error);
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layout_probe.stage = TEST_IDLE;
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}
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if (!probe_busy(&layout_probe) && now >= next_layout_check) {
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layout_probe_generation = calibration_generation;
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probe_begin(&layout_probe, &target, now);
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next_layout_check = now + LAYOUT_REFRESH_MS;
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}
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}
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#endif
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