diff --git a/Libraries/u8glib/u8g_dev_null.c b/Libraries/u8glib/u8g_dev_null.c new file mode 100644 --- /dev/null +++ b/Libraries/u8glib/u8g_dev_null.c @@ -0,0 +1,67 @@ +/* + + u8g_dev_null.c + + Universal 8bit Graphics Library + + Copyright (c) 2011, olikraus@gmail.com + 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. + + 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 THE COPYRIGHT HOLDER OR + CONTRIBUTORS 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. + + +*/ + +#include "u8g.h" + +uint8_t u8g_dev_null(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg) +{ + switch(msg) + { + case U8G_DEV_MSG_SET_8PIXEL: /* most often used command */ + break; + case U8G_DEV_MSG_SET_PIXEL: + break; + case U8G_DEV_MSG_INIT: + break; + case U8G_DEV_MSG_STOP: + break; + case U8G_DEV_MSG_PAGE_FIRST: + break; + case U8G_DEV_MSG_PAGE_NEXT: + break; +#ifdef U8G_DEV_MSG_IS_BBX_INTERSECTION + case U8G_DEV_MSG_IS_BBX_INTERSECTION: + return 1; +#endif + case U8G_DEV_MSG_GET_PAGE_BOX: + break; + case U8G_DEV_MSG_SET_COLOR_ENTRY: + break; + case U8G_DEV_MSG_SET_XY_CB: + break; + } + return 1; +}