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betaflight/src/main/drivers/display.c
2016-11-07 20:17:52 +09:00

72 lines
1.8 KiB
C

/*
* This file is part of Cleanflight.
*
* Cleanflight is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Cleanflight is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Cleanflight. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdbool.h>
#include <stdint.h>
#include "platform.h"
#include "common/utils.h"
#include "display.h"
void displayClear(displayPort_t *instance)
{
instance->vTable->clear(instance);
instance->cleared = true;
instance->cursorRow = -1;
}
void displayGrab(displayPort_t *instance)
{
instance->vTable->grab(instance);
instance->vTable->clear(instance);
instance->isGrabbed = true;
}
void displayRelease(displayPort_t *instance)
{
instance->vTable->release(instance);
instance->isGrabbed = false;
}
bool displayIsGrabbed(const displayPort_t *instance)
{
// can be called before initialised
return (instance && instance->isGrabbed);
}
int displayWrite(displayPort_t *instance, uint8_t x, uint8_t y, const char *s)
{
return instance->vTable->write(instance, x, y, s);
}
void displayHeartbeat(displayPort_t *instance)
{
instance->vTable->heartbeat(instance);
}
void displayResync(displayPort_t *instance)
{
instance->vTable->resync(instance);
}
uint16_t displayTxBytesFree(const displayPort_t *instance)
{
return instance->vTable->txBytesFree(instance);
}