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Use common delay function during display init so we don't starve background tasks.

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Scott Shawcroft 2019-01-23 14:43:54 -08:00
parent aaa644b223
commit 3139d0dc20
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GPG Key ID: FD0EDC4B6C53CA59
1 changed files with 4 additions and 6 deletions
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10
shared-module/displayio/Display.c
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@ -29,6 +29,7 @@
#include "py/runtime.h" #include "py/runtime.h"
#include "shared-bindings/displayio/FourWire.h" #include "shared-bindings/displayio/FourWire.h"
#include "shared-bindings/displayio/ParallelBus.h" #include "shared-bindings/displayio/ParallelBus.h"
#include "shared-bindings/time/__init__.h"
#include <stdint.h> #include <stdint.h>
@ -73,18 +74,15 @@ void common_hal_displayio_display_construct(displayio_display_obj_t* self,
uint8_t *data = cmd + 2; uint8_t *data = cmd + 2;
self->send(self->bus, true, cmd, 1); self->send(self->bus, true, cmd, 1);
self->send(self->bus, false, data, data_size); self->send(self->bus, false, data, data_size);
uint16_t delay_length_ms = 10;
if (delay) { if (delay) {
data_size++; data_size++;
uint16_t delay_length_ms = *(cmd + 1 + data_size); delay_length_ms = *(cmd + 1 + data_size);
if (delay_length_ms == 255) { if (delay_length_ms == 255) {
delay_length_ms = 500; delay_length_ms = 500;
} }
uint64_t start = ticks_ms;
while (ticks_ms - start < delay_length_ms) {}
} else {
uint64_t start = ticks_ms;
while (ticks_ms - start < 10) {}
} }
common_hal_time_delay_ms(delay_length_ms);
i += 2 + data_size; i += 2 + data_size;
} }
self->end_transaction(self->bus); self->end_transaction(self->bus);