118 lines
2.6 KiB
C
118 lines
2.6 KiB
C
/*
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ChibiOS/GFX - Copyright (C) 2012
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Joel Bodenmann aka Tectu <joel@unormal.org>
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This file is part of ChibiOS/GFX.
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ChibiOS/GFX is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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ChibiOS/GFX is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file src/tdisp/tdisp.c
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* @brief TDISP Driver code.
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*
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* @addtogroup TDISP
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* @{
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*/
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#include "ch.h"
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#include "hal.h"
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#include "gfx.h"
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#if GFX_USE_TDISP || defined(__DOXYGEN__)
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#include "tdisp/lld/tdisp_lld.h"
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#if TDISP_NEED_MULTITHREAD
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#if !CH_USE_MUTEXES
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#error "TDISP: CH_USE_MUTEXES must be defined in chconf.h because TDISP_NEED_MULTITHREAD is defined"
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#endif
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static Mutex tdispMutex;
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#define MUTEX_INIT() chMtxInit(&tdispMutex)
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#define MUTEX_ENTER() chMtxLock(&tdispMutex)
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#define MUTEX_LEAVE() chMtxUnlock()
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#else
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#define MUTEX_INIT()
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#define MUTEX_ENTER()
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#define MUTEX_LEAVE()
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#endif
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bool_t tdispInit(void) {
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bool_t res;
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MUTEX_INIT();
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MUTEX_ENTER();
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res = tdisp_lld_init();
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MUTEX_LEAVE();
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return res;
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}
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void tdispClear(void) {
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MUTEX_ENTER();
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tdisp_lld_clear();
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MUTEX_LEAVE();
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}
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void tdispHome(void) {
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MUTEX_ENTER();
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tdisp_lld_set_cursor(0, 0);
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MUTEX_LEAVE();
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}
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void tdispSetCursor(coord_t col, coord_t row) {
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/* Keep the input range valid */
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if (row >= TDISP.rows)
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row = TDISP.rows - 1;
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MUTEX_ENTER();
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tdisp_lld_set_cursor(col, row);
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MUTEX_LEAVE();
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}
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void tdispCreateChar(uint8_t address, uint8_t *charmap) {
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/* make sure we don't write somewhere we're not supposed to */
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if (address < TDISP.maxCustomChars) {
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MUTEX_ENTER();
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tdisp_lld_create_char(address, charmap);
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MUTEX_LEAVE();
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}
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}
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void tdispDrawChar(char c) {
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MUTEX_ENTER();
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tdisp_lld_draw_char(c);
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MUTEX_LEAVE();
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}
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void tdispDrawString(char *s) {
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MUTEX_ENTER();
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while(*s)
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tdisp_lld_draw_char(*s++);
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MUTEX_LEAVE();
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}
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void tdispControl(uint16_t what, void *value) {
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MUTEX_ENTER();
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tdisp_lld_control(what, value);
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MUTEX_LEAVE();
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}
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#endif /* GFX_USE_TDISP */
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/** @} */
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