diff options
Diffstat (limited to 'old/console.c')
| -rw-r--r-- | old/console.c | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/old/console.c b/old/console.c new file mode 100644 index 00000000..55549fd1 --- /dev/null +++ b/old/console.c @@ -0,0 +1,216 @@ +/*
+ 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/console.c
+ * @brief CONSOLE code.
+ *
+ * @addtogroup CONSOLE
+ * @{
+ */
+
+#include "ch.h"
+#include "hal.h"
+#include "console.h"
+
+#if GFX_USE_CONSOLE || defined(__DOXYGEN__)
+
+/*
+ * Interface implementation. The interface is write only
+ */
+static size_t write(void *ip, const uint8_t *bp, size_t n) {
+ return gfxConsoleWrite((GConsole *)ip, bp, n);
+}
+
+static size_t read(void *ip, uint8_t *bp, size_t n) {
+ (void)ip;
+ (void)bp;
+ (void)n;
+
+ return 0;
+}
+
+static msg_t put(void *ip, uint8_t b) {
+ (void)ip;
+
+ return gfxConsolePut((GConsole *)ip, (char)b);
+}
+
+static msg_t get(void *ip) {
+ (void)ip;
+
+ return RDY_OK;
+}
+
+static msg_t putt(void *ip, uint8_t b, systime_t timeout) {
+ (void)timeout;
+
+ /* TODO: handle timeout */
+
+ return gfxConsolePut((GConsole *)ip, (char)b);
+}
+
+static msg_t gett(void *ip, systime_t timeout) {
+ (void)ip;
+ (void)timeout;
+
+ return RDY_OK;
+}
+
+static size_t writet(void *ip, const uint8_t *bp, size_t n, systime_t time) {
+ (void)time;
+
+ return gfxConsoleWrite((GConsole *)ip, bp, n);
+}
+
+static size_t readt(void *ip, uint8_t *bp, size_t n, systime_t time) {
+ (void)ip;
+ (void)bp;
+ (void)n;
+ (void)time;
+
+ return 0;
+}
+
+static const struct GConsoleVMT vmt = {
+ write, read, put, get,
+ putt, gett, writet, readt
+};
+
+/**
+ * @brief Initializes a console.
+ *
+ * @param[in] console The console driver struct
+ * @param[in] x0,y0 The location of the upper left corner of the resulting window
+ * @param[in] width, height The width and height of the window
+ * @param[in] font The font to be used when printing to the console
+ * @param[in] bkcolor The background color
+ * @param[in] color The foreground / font color
+ *
+ * @return RDY_OK if done
+ */
+msg_t gfxConsoleInit(GConsole *console, coord_t x0, coord_t y0, coord_t width, coord_t height, font_t font, pixel_t bkcolor, pixel_t color) {
+ console->vmt = &vmt;
+ /* read font, get height & padding */
+ console->fy = gdispGetFontMetric(font, fontHeight);
+ console->fp = gdispGetFontMetric(font, fontCharPadding);
+
+ /* calculate the size of the console as an integer multiple of characters height*/
+ console->sx = width;
+ console->sy = (((int16_t)(height/console->fy))-1)*console->fy;
+
+ console->cx = 0;
+ console->cy = 0;
+ console->x0 = x0;
+ console->y0 = y0;
+
+ console->bkcolor = bkcolor;
+ console->color = color;
+
+ console->font = font;
+
+ gdispFillArea(x0, y0, x0 + width, y0 + height, console->bkcolor);
+ return RDY_OK;
+}
+
+/**
+ * @brief Write a single character to the console.
+ *
+ * @param[in] console The console driver struct
+ * @param[in] c The char to be written
+ *
+ * @return RDY_OK if done
+ */
+msg_t gfxConsolePut(GConsole *console, char c) {
+ uint8_t width;
+
+ if(c == '\n') {
+ /* clear the text at the end of the line */
+ if(console->cx < console->sx)
+ gdispFillArea(console->x0 + console->cx, console->y0 + console->cy,
+ console->sx - console->cx, console->fy,
+ console->bkcolor);
+ console->cx = 0;
+ console->cy += console->fy;
+ } else if(c == '\r') {
+ /* TODO: work backwards through the buffer to the start of the current line */
+ //console->cx = 0;
+ } else {
+ width = gdispGetCharWidth(c, console->font) + console->fp;
+ if((console->cx + width) >= console->sx) {
+ /* clear the text at the end of the line */
+ if (console->cy <= console->sy)
+ gdispFillArea(console->x0 + console->cx, console->y0 + console->cy,
+ console->sx - (console->cx + width), console->fy,
+ console->bkcolor);
+ console->cx = 0;
+ console->cy += console->fy;
+ }
+
+ if((console->cy > console->sy)) {
+#if GDISP_NEED_SCROLL
+ /* scroll the console */
+ gdispVerticalScroll(console->x0, console->y0, console->sx,
+ console->sy + console->fy, console->fy, console->bkcolor);
+ /* reset the cursor to the start of the line */
+ console->cx = 0;
+ console->cy = console->sy;
+#else
+ /* clear the console */
+ gdispFillArea(console->x0, console->y0,
+ console->sx, console->sy + console->fy,
+ console->bkcolor);
+ /* reset the cursor to the top of the console */
+ console->cx = 0;
+ console->cy = 0;
+#endif
+ }
+
+ gdispDrawChar(console->x0 + console->cx, console->y0 + console->cy, c,
+ console->font, console->color);
+
+ /* update cursor */
+ console->cx += width;
+ }
+ return RDY_OK;
+}
+
+/**
+ * @brief Write a string to the console.
+ *
+ * @param[in] console The console driver struct
+ * @param[in] bp The buffer / string
+ * @param[in] n The size of the buffer
+ *
+ * @return RDY_OK if done
+ *
+ * @api
+ */
+msg_t gfxConsoleWrite(GConsole *console, const uint8_t *bp, size_t n) {
+ size_t i;
+ for(i = 0; i < n; i++)
+ gfxConsolePut(console, bp[i]);
+
+ return RDY_OK;
+}
+
+#endif /* GFX_USE_CONSOLE */
+/** @} */
+
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