79 lines
2.3 KiB
C
79 lines
2.3 KiB
C
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/*
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ucg_init.c
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Universal uC Color Graphics Library
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Copyright (c) 2013, olikraus@gmail.com
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice, this list
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of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice, this
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list of conditions and the following disclaimer in the documentation and/or other
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materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "ucg.h"
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#include <string.h> /* memset */
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#ifdef __AVR__
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uint8_t global_SREG_backup; // used by the atomic macros
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#endif
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void ucg_init_struct(ucg_t *ucg)
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{
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//memset(ucg, 0, sizeof(ucg_t));
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ucg->is_power_up = 0;
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ucg->rotate_chain_device_cb = 0;
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ucg->arg.scale = 1;
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//ucg->display_offset.x = 0;
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//ucg->display_offset.y = 0;
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ucg->font = 0;
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//ucg->font_mode = UCG_FONT_MODE_NONE; Old font procedures
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ucg->font_decode.is_transparent = 1; // new font procedures
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ucg->com_initial_change_sent = 0;
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ucg->com_status = 0;
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ucg->com_cfg_cd = 0;
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}
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ucg_int_t ucg_Init(ucg_t *ucg, ucg_dev_fnptr device_cb, ucg_dev_fnptr ext_cb, ucg_com_fnptr com_cb)
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{
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ucg_int_t r;
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ucg_init_struct(ucg);
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if ( ext_cb == (ucg_dev_fnptr)0 )
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ucg->ext_cb = ucg_ext_none;
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else
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ucg->ext_cb = ext_cb;
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ucg->device_cb = device_cb;
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ucg->com_cb = com_cb;
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ucg_SetFontPosBaseline(ucg);
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r = ucg_PowerUp(ucg);
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ucg_GetDimension(ucg);
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return r;
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}
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