116 lines
4.5 KiB
C
116 lines
4.5 KiB
C
/*
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u8g_dev_tls8204_84x48.c
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Display: Nokia 84x48
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Status: Tested with TLS8204V12 Display by Olimex MOD-LCD3310
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Contributed: http://code.google.com/p/u8glib/issues/detail?id=126
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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 84
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#define HEIGHT 48
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#define PAGE_HEIGHT 8
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static const uint8_t u8g_dev_tls8204_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(1), /* do reset low pulse with (1*16)+2 milliseconds */
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U8G_ESC_CS(1), /* enable chip */
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0x021, /* activate chip (PD=0), horizontal increment (V=0), enter extended command set (H=1) */
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0x006, /* temp. control: b10 = 2 */
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0x04 | !!((66-1)&(1u<<6)),
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0x40 | ((66-2) & ((1u<<6)-1)),
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0x013, /* bias system 1:48 */
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0x0c0, /* medium Vop */
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0x020, /* activate chip (PD=0), horizontal increment (V=0), enter normal command set (H=0) */
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0x00c, /* display on, normal operation */
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U8G_ESC_DLY(100), /* delay 100 ms */
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0x020, /* activate chip (PD=0), horizontal increment (V=0), enter normal command set (H=0) */
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0x00d, /* display on, invert */
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U8G_ESC_DLY(100), /* delay 100 ms */
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U8G_ESC_DLY(100), /* delay 100 ms */
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0x020, /* activate chip (PD=0), horizontal increment (V=0), enter normal command set (H=0) */
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0x00c, /* display on, normal */
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U8G_ESC_DLY(100), /* delay 100 ms */
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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_tls8204_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_400NS);
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u8g_WriteEscSeqP(u8g, dev, u8g_dev_tls8204_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, 0x020 ); /* activate chip (PD=0), horizontal increment (V=0), enter normal command set (H=0) */
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u8g_WriteByte(u8g, dev, 0x080 ); /* set X address */
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u8g_WriteByte(u8g, dev, 0x040 | pb->p.page); /* set Y address */
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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, 0);
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}
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break;
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case U8G_DEV_MSG_CONTRAST:
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/* the contrast adjustment does not work, needs to be analysed */
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u8g_SetAddress(u8g, dev, 0); /* instruction mode */
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u8g_SetChipSelect(u8g, dev, 1);
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u8g_WriteByte(u8g, dev, 0x021); /* command mode, extended function set */
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u8g_WriteByte(u8g, dev, 0x080 | ( (*(uint8_t *)arg) >> 1 ) );
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u8g_WriteByte(u8g, dev, 0x020); /* command mode, extended function set */
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u8g_SetChipSelect(u8g, dev, 0);
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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_tls8204_84x48_sw_spi , WIDTH, HEIGHT, PAGE_HEIGHT, u8g_dev_tls8204_fn, U8G_COM_SW_SPI);
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