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108 lines
3.9 KiB
108 lines
3.9 KiB
/*
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u8g_dev_sbn1661_122x32.c
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WG12232 display with 2xSBN1661 / SED1520 controller (122x32 display)
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At the moment only available in the Arduino Environment
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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 122
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#define HEIGHT 32
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#define PAGE_HEIGHT 8
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static const uint8_t u8g_dev_sbn1661_122x32_init_seq[] PROGMEM = {
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U8G_ESC_CS(0), /* disable chip */
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U8G_ESC_ADR(0), /* instruction mode */
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U8G_ESC_RST(15), /* do reset low pulse with (15*16)+2 milliseconds */
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U8G_ESC_CS(1), /* enable chip 1 */
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0x0af, /* display on */
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0x0c0, /* display start at line 0 */
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0x0a0, /* a0: ADC forward, a1: ADC reverse */
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0x0a9, /* a8: 1/16, a9: 1/32 duty */
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U8G_ESC_CS(2), /* enable chip 2 */
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0x0af, /* display on */
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0x0c0, /* display start at line 0 */
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0x0a0, /* a0: ADC forward, a1: ADC reverse */
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0x0a9, /* a8: 1/16, a9: 1/32 duty */
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U8G_ESC_CS(0), /* disable chip */
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U8G_ESC_END /* end of sequence */
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};
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uint8_t u8g_dev_sbn1661_122x32_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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u8g_InitCom(u8g, dev, U8G_SPI_CLK_CYCLE_NONE);
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u8g_WriteEscSeqP(u8g, dev, u8g_dev_sbn1661_122x32_init_seq);
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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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u8g_SetAddress(u8g, dev, 0); /* command mode */
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u8g_SetChipSelect(u8g, dev, 1);
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u8g_WriteByte(u8g, dev, 0x0b8 | pb->p.page); /* select current page (SBN1661/SED1520) */
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u8g_WriteByte(u8g, dev, 0x000 ); /* set X address */
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u8g_SetAddress(u8g, dev, 1); /* data mode */
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u8g_WriteSequence(u8g, dev, WIDTH/2, pb->buf);
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u8g_SetAddress(u8g, dev, 0); /* command mode */
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u8g_SetChipSelect(u8g, dev, 2);
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u8g_WriteByte(u8g, dev, 0x0b8 | pb->p.page); /* select current page (SBN1661/SED1520) */
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u8g_WriteByte(u8g, dev, 0x000 ); /* set X address */
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u8g_SetAddress(u8g, dev, 1); /* data mode */
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u8g_WriteSequence(u8g, dev, WIDTH/2, WIDTH/2+(uint8_t *)pb->buf);
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u8g_SetChipSelect(u8g, dev, 0);
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}
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break;
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case U8G_DEV_MSG_CONTRAST:
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break;
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}
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return u8g_dev_pb8v1_base_fn(u8g, dev, msg, arg);
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}
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/* u8g_com_arduino_sw_spi_fn does not work, too fast??? */
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U8G_PB_DEV(u8g_dev_sbn1661_122x32 , WIDTH, HEIGHT, PAGE_HEIGHT, u8g_dev_sbn1661_122x32_fn, u8g_com_arduino_no_en_parallel_fn);
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