117 lines
4.2 KiB
C
117 lines
4.2 KiB
C
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/*
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u8g_dev_uc1611_dogxl240.c
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Universal 8bit Graphics Library
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Copyright (c) 2014, dev.menges.jonas@gmail.com, 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 240
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#define HEIGHT 128
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#define PAGE_HEIGHT 8
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static const uint8_t u8g_dev_uc1611_dogxl240_init_seq[] PROGMEM = {
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U8G_ESC_CS(1), // enable chip
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U8G_ESC_ADR(0), // instruction mode
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0xF1, // set last COM electrode
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0x7F, // DOGXL240
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0xF2, // set display start line
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0x00, // 0
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0xF3, // set display end line
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0x7F, // DOGXL240
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0x81, // set contrast (0-255)
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0xAA, // DOGXL240
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0xC0, // set view
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//0x04, // topview
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0x02, // bottomview
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0xA3, // set line rate (9.4k)
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0xE9, // set bias ratio (10)
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0xA9, // enable display
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0xD1, // set black and white mode
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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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static void u8g_dev_dogxl240_set_page(u8g_t *u8g, u8g_dev_t *dev, unsigned char page)
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{
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u8g_WriteByte(u8g, dev, 0x70);
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u8g_WriteByte(u8g, dev, 0x60 + (page&0x0F));
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}
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static const uint8_t u8g_dev_uc1611_dogxl240_data_start[] PROGMEM = {
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U8G_ESC_ADR(0), /* instruction mode */
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U8G_ESC_CS(1), /* enable chip */
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0x10, /* set upper 4 bit of the col adr to 0 */
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0x00, /* set lower 4 bit of the col adr to 0 */
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U8G_ESC_END /* end of sequence */
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};
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static uint8_t u8g_dev_uc1611_dogxl240_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_300NS);
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u8g_WriteEscSeqP(u8g, dev, u8g_dev_uc1611_dogxl240_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_WriteEscSeqP(u8g, dev, u8g_dev_uc1611_dogxl240_data_start);
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u8g_dev_dogxl240_set_page(u8g, dev, pb->p.page); /* select current page (uc1611) */
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u8g_SetAddress(u8g, dev, 1); /* data mode */
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if ( u8g_pb_WriteBuffer(pb, u8g, dev) == 0 )
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return 0;
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u8g_SetChipSelect(u8g, dev, 1);
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}
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break;
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case U8G_DEV_MSG_CONTRAST:
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u8g_SetChipSelect(u8g, dev, 0);
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u8g_SetAddress(u8g, dev, 0); /* instruction mode */
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u8g_WriteByte(u8g, dev, 0x81);
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u8g_WriteByte(u8g, dev, (*(uint8_t *)arg) >> 2); /* set contrast from, keep gain at 0 */
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u8g_SetChipSelect(u8g, dev, 1);
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return 1;
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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_PB_DEV(u8g_dev_uc1611_dogxl240_i2c , WIDTH, HEIGHT, PAGE_HEIGHT, u8g_dev_uc1611_dogxl240_fn, U8G_COM_UC_I2C);
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U8G_PB_DEV(u8g_dev_uc1611_dogxl240_sw_spi , WIDTH, HEIGHT, PAGE_HEIGHT, u8g_dev_uc1611_dogxl240_fn, U8G_COM_SW_SPI);
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U8G_PB_DEV(u8g_dev_uc1611_dogxl240_hw_spi , WIDTH, HEIGHT, PAGE_HEIGHT, u8g_dev_uc1611_dogxl240_fn, U8G_COM_HW_SPI);
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