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/*
ChibiOS/GFX - Copyright (C) 2012, 2013
Joel Bodenmann aka Tectu <joel@unormal.org>
This file is part of ChibiOS/GFX.
ChibiOS/GFX 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.
ChibiOS/GFX 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file src/tdisp/tdisp.c
* @brief TDISP Driver code.
*
* @addtogroup TDISP
* @{
*/
#include "ch.h"
#include "hal.h"
#include "gfx.h"
#if GFX_USE_TDISP || defined(__DOXYGEN__)
#include "../../include/tdisp/lld/tdisp_lld.h"
/* cursor controllers */
#define CURSOR 1
#define ON 0
#define OFF
#if TDISP_NEED_MULTITHREAD
#if !CH_USE_MUTEXES
#error "TDISP: CH_USE_MUTEXES must be defined in chconf.h because TDISP_NEED_MULTITHREAD is defined"
#endif
static Mutex tdispMutex;
#define MUTEX_INIT() chMtxInit(&tdispMutex)
#define MUTEX_ENTER() chMtxLock(&tdispMutex)
#define MUTEX_LEAVE() chMtxUnlock()
#else
#define MUTEX_INIT()
#define MUTEX_ENTER()
#define MUTEX_LEAVE()
#endif
bool_t tdispInit(void) {
bool_t res;
MUTEX_INIT();
MUTEX_ENTER();
res = tdisp_lld_init();
MUTEX_LEAVE();
return res;
}
void tdispClear(void) {
MUTEX_ENTER();
tdisp_lld_clear();
MUTEX_LEAVE();
}
void tdispHome(void) {
MUTEX_ENTER();
tdisp_lld_set_cursor(0, 0);
MUTEX_LEAVE();
}
void tdispSetCursor(coord_t col, coord_t row) {
/* Keep the input range valid */
if (row >= TDISP.rows)
row = TDISP.rows - 1;
MUTEX_ENTER();
tdisp_lld_set_cursor(col, row);
MUTEX_LEAVE();
}
void tdispCreateChar(uint8_t address, uint8_t *charmap) {
/* make sure we don't write somewhere we're not supposed to */
if (address < TDISP.maxCustomChars) {
MUTEX_ENTER();
tdisp_lld_create_char(address, charmap);
MUTEX_LEAVE();
}
}
void tdispDrawChar(char c) {
MUTEX_ENTER();
tdisp_lld_draw_char(c);
MUTEX_LEAVE();
}
void tdispDrawString(char *s) {
MUTEX_ENTER();
while(*s)
tdisp_lld_draw_char(*s++);
MUTEX_LEAVE();
}
void tdispControl(uint16_t what, uint16_t value) {
MUTEX_ENTER();
tdisp_lld_control(what, value);
MUTEX_LEAVE();
}
void tdispScroll(uint16_t direction, uint16_t amount, uint16_t delay) {
MUTEX_ENTER();
tdisp_lld_scroll(direction, amount, delay);
MUTEX_LEAVE();
}
#if TDISP_USE_BACKLIGHT
void tdispSetBacklight(uint16_t percentage) {
if (percentage > 100)
percentage = 100;
MUTEX_ENTER();
tdisp_lld_set_backlight(percentage);
MUTEX_LEAVE();
}
#endif
#endif /* GFX_USE_TDISP */
/** @} */
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