diff options
Diffstat (limited to 'src/tdisp/tdisp.c')
| -rw-r--r-- | src/tdisp/tdisp.c | 202 |
1 files changed, 117 insertions, 85 deletions
diff --git a/src/tdisp/tdisp.c b/src/tdisp/tdisp.c index 3556e031..8ef7e5c4 100644 --- a/src/tdisp/tdisp.c +++ b/src/tdisp/tdisp.c @@ -1,85 +1,117 @@ -/* - ChibiOS/GFX - Copyright (C) 2012 - 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__) - -static uint8_t _displaycontrol; - -bool_t tdispInit(void) { - bool_t ret; - - ret = tdisp_lld_init(); - - return ret; -} - -void tdispControl(uint16_t what, void *value) { - tdisp_lld_control(what, value); -} - -void tdispClear(void) { - tdisp_lld_clear(); -} - -void tdispHome(void) { - tdisp_lld_home(); -} - -void tdispCreateChar(uint8_t address, char *charmap) { - tdisp_lld_create_char(address, charmap); -} - -void tdispSetCursor(coord_t col, coord_t row) { - tdisp_lld_set_cursor(col, row); -} - -void tdispDrawChar(char c) { - tdisp_lld_write_data(c); -} - -void tdispDrawString(char *s) { - while(*s) - tdispDrawChar(*s++); -} - -void tdispDrawCharLocation(coord_t col, coord_t row, char c) { - tdispSetCursor(col, row); - tdispDrawChar(c); -} - -void tdispDrawStringLocation(coord_t col, coord_t row, char *s) { - tdispSetCursor(col, row); - tdispDrawString(s); -} - -#endif /* GFX_USE_TDISP */ -/** @} */ - +/*
+ ChibiOS/GFX - Copyright (C) 2012
+ 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 "tdisp/lld/tdisp_lld.h"
+
+#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, void *value) {
+ MUTEX_ENTER();
+ tdisp_lld_control(what, value);
+ MUTEX_LEAVE();
+}
+
+#endif /* GFX_USE_TDISP */
+/** @} */
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