大理水控初始版本
diff --git a/lcd/glcd_graphs.h b/lcd/glcd_graphs.h
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+/**
+ \file glcd_graphs.h
+ \brief GLCD Library - Graph drawing functions.
+ \author Andy Gock
+ */
+
+/*
+ Copyright (c) 2012, Andy Gock
+
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ * Neither the name of Andy Gock nor the
+ names of its contributors may be used to endorse or promote products
+ derived from this software without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL ANDY GOCK BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#ifndef GLCD_GRAPHS_H
+#define GLCD_GRAPHS_H
+
+/** \addtogroup Graphing
+ * Functions for graphing, e.g drawing bar graphs etc.
+ * @{
+ */
+
+/** Draw horizontal bar graph with 1 px wide border.
+ * The bar graph draws from left to right as val increases.
+ * \param x x location for top-left of border
+ * \param y y location for top-left of border
+ * \param width width of the border
+ * \param height height of the border (must be over 2)
+ * \param val value to display in graph (0-255 8 bit value).
+ */
+void glcd_bar_graph_horizontal(uint8_t x, uint8_t y, uint8_t width, uint8_t height, uint8_t val);
+
+/** Draw horizontal bar graph with no border.
+ * The bar graph draws from left to right as val increases.
+ * \param x x location for top-left of bar
+ * \param y y location for top-left of bar
+ * \param width width of the bar at full val
+ * \param height height of the bar
+ * \param val value to display in graph (0-255 8 bit value).
+ */
+void glcd_bar_graph_horizontal_no_border(uint8_t x, uint8_t y, uint8_t width, uint8_t height, uint8_t val);
+
+/** Draw vertical bar graph with 1px wide border.
+ * The bar graph draws from bottom to top as val increases.
+ * \param x x location for top-left of border
+ * \param y y location for top-left of border
+ * \param width width of the border
+ * \param height height of the border
+ * \param val value to display in graph (0-255 8 bit value).
+ */
+void glcd_bar_graph_vertical(uint8_t x, uint8_t y, uint8_t width, uint8_t height, uint8_t val);
+
+/** Draw vertical bar graph with no border.
+ * The bar graph draws from bottom to top as val increases.
+ * \param x x location for top-left of bar
+ * \param y y location for top-left of bar
+ * \param width width of the bar
+ * \param height height of the bar
+ * \param val value to display in graph (0-255 8 bit value).
+ */
+void glcd_bar_graph_vertical_no_border(uint8_t x, uint8_t y, uint8_t width, uint8_t height, uint8_t val);
+
+/** \todo write doc */
+void glcd_scrolling_bar_graph(uint8_t x, uint8_t y, uint8_t width, uint8_t height, uint8_t val);
+
+/** @}*/
+
+#endif