93 lines
3.1 KiB
C
93 lines
3.1 KiB
C
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/*
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u8g_dev_flipdisc.c
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1-Bit (BW) Driver for flip disc matrix
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2x 7 pixel height
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Universal 8bit Graphics Library
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Copyright (c) 2011, 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 "u8g.h"
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#define WIDTH 28
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#define HEIGHT 14
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#define PAGE_HEIGHT 14
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/*
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Write data to the flip disc matrix.
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This procedure must be implemented by the user.
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Arguments:
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id: Id for the matrix. Currently always 0.
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page: A page has a height of 14 pixel. For a matrix with HEIGHT == 14 this will be always 0
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width: The width of the flip disc matrix. Always equal to WIDTH
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row1: first data line (7 pixel per byte)
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row2: first data line (7 pixel per byte)
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*/
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void writeFlipDiscMatrix(uint8_t id, uint8_t page, uint8_t width, uint8_t *row1, uint8_t *row2);
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void (*u8g_write_flip_disc_matrix)(uint8_t id, uint8_t page, uint8_t width, uint8_t *row1, uint8_t *row2);
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void u8g_SetFlipDiscCallback(u8g_t *u8g, void (*cb)(uint8_t id, uint8_t page, uint8_t width, uint8_t *row1, uint8_t *row2))
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{
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u8g_write_flip_disc_matrix = cb;
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}
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uint8_t u8g_dev_flipdisc_2x7_bw_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg)
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{
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switch(msg)
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{
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case U8G_DEV_MSG_INIT:
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break;
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case U8G_DEV_MSG_STOP:
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break;
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case U8G_DEV_MSG_PAGE_NEXT:
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{
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u8g_pb_t *pb = (u8g_pb_t *)(dev->dev_mem);
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/* current page: pb->p.page */
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/* ptr to the buffer: pb->buf */
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(*u8g_write_flip_disc_matrix)(0, pb->p.page, WIDTH, pb->buf, (uint8_t *)(pb->buf)+WIDTH);
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}
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break;
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case U8G_DEV_MSG_CONTRAST:
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return 1;
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}
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return u8g_dev_pb14v1_base_fn(u8g, dev, msg, arg);
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}
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uint8_t u8g_dev_flipdisc_2x7_bw_buf[WIDTH*2] U8G_NOCOMMON ;
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u8g_pb_t u8g_dev_flipdisc_2x7_bw_pb = { {16, HEIGHT, 0, 0, 0}, WIDTH, u8g_dev_flipdisc_2x7_bw_buf};
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u8g_dev_t u8g_dev_flipdisc_2x7 = { u8g_dev_flipdisc_2x7_bw_fn, &u8g_dev_flipdisc_2x7_bw_pb, u8g_com_null_fn };
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