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- /*
- ucg_init.c
-
- Universal uC Color Graphics Library
-
- Copyright (c) 2013, 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 "ucg.h"
- #include <string.h> /* memset */
- #ifdef __AVR__
- uint8_t global_SREG_backup; // used by the atomic macros
- #endif
- void ucg_init_struct(ucg_t *ucg)
- {
- //memset(ucg, 0, sizeof(ucg_t));
- ucg->is_power_up = 0;
- ucg->rotate_chain_device_cb = 0;
- ucg->arg.scale = 1;
- //ucg->display_offset.x = 0;
- //ucg->display_offset.y = 0;
- ucg->font = 0;
- //ucg->font_mode = UCG_FONT_MODE_NONE; Old font procedures
- ucg->font_decode.is_transparent = 1; // new font procedures
-
- ucg->com_initial_change_sent = 0;
- ucg->com_status = 0;
- ucg->com_cfg_cd = 0;
- }
- ucg_int_t ucg_Init(ucg_t *ucg, ucg_dev_fnptr device_cb, ucg_dev_fnptr ext_cb, ucg_com_fnptr com_cb)
- {
- ucg_int_t r;
- ucg_init_struct(ucg);
- if ( ext_cb == (ucg_dev_fnptr)0 )
- ucg->ext_cb = ucg_ext_none;
- else
- ucg->ext_cb = ext_cb;
- ucg->device_cb = device_cb;
- ucg->com_cb = com_cb;
- ucg_SetFontPosBaseline(ucg);
- r = ucg_PowerUp(ucg);
- ucg_GetDimension(ucg);
- return r;
- }
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