241 lines
8.0 KiB
C
241 lines
8.0 KiB
C
/*
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u8x8_d_uc1604.c
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Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/)
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Copyright (c) 2016, 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 "u8x8.h"
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static const uint8_t u8x8_d_uc1604_powersave0_seq[] = {
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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U8X8_DLY(20),
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U8X8_C(0x0af), /* display on */
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U8X8_DLY(20), /* during setup, it seems that the startup is more reliable when sending this cmd twice */
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U8X8_C(0x0af), /* display on */
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U8X8_DLY(50), /* startup takes some time */
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U8X8_END_TRANSFER(), /* disable chip */
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U8X8_END() /* end of sequence */
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};
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static const uint8_t u8x8_d_uc1604_powersave1_seq[] = {
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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U8X8_C(0x0ae), /* display off, enter sleep mode */
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U8X8_END_TRANSFER(), /* disable chip */
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U8X8_END() /* end of sequence */
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};
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static const uint8_t u8x8_d_uc1604_flip0_seq[] = {
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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U8X8_C(0x0c4), /* LCD Mapping */
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U8X8_END_TRANSFER(), /* disable chip */
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U8X8_END() /* end of sequence */
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};
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static const uint8_t u8x8_d_uc1604_flip1_seq[] = {
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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U8X8_C(0x0c2), /* LCD Mapping */
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U8X8_END_TRANSFER(), /* disable chip */
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U8X8_END() /* end of sequence */
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};
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uint8_t u8x8_d_uc1604_common(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
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{
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uint8_t x, y, c;
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uint8_t *ptr;
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switch(msg)
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{
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case U8X8_MSG_DISPLAY_DRAW_TILE:
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u8x8_cad_StartTransfer(u8x8);
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x = ((u8x8_tile_t *)arg_ptr)->x_pos;
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x *= 8;
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u8x8_cad_SendCmd(u8x8, 0x000 | ((x&15)));
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u8x8_cad_SendCmd(u8x8, 0x010 | (x>>4) );
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y = ((u8x8_tile_t *)arg_ptr)->y_pos;
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y += u8x8->x_offset;
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u8x8_cad_SendCmd(u8x8, 0x0b0 | (y&15));
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c = ((u8x8_tile_t *)arg_ptr)->cnt;
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c *= 8;
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ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr;
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do
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{
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u8x8_cad_SendData(u8x8, c, ptr); /* note: SendData can not handle more than 255 bytes */
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arg_int--;
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} while( arg_int > 0 );
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u8x8_cad_EndTransfer(u8x8);
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break;
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/* handled in the calling procedure
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case U8X8_MSG_DISPLAY_SETUP_MEMORY:
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u8x8_d_helper_display_setup_memory(u8x8, &u8x8_uc1604_128x64_display_info);
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break;
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case U8X8_MSG_DISPLAY_INIT:
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u8x8_d_helper_display_init(u8x8);
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u8x8_cad_SendSequence(u8x8, u8x8_d_uc1701_dogs102_init_seq);
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break;
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*/
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case U8X8_MSG_DISPLAY_SET_POWER_SAVE:
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if ( arg_int == 0 )
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u8x8_cad_SendSequence(u8x8, u8x8_d_uc1604_powersave0_seq);
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else
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u8x8_cad_SendSequence(u8x8, u8x8_d_uc1604_powersave1_seq);
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break;
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case U8X8_MSG_DISPLAY_SET_FLIP_MODE:
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if ( arg_int == 0 )
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{
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u8x8_cad_SendSequence(u8x8, u8x8_d_uc1604_flip0_seq);
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u8x8->x_offset = u8x8->display_info->default_x_offset;
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}
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else
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{
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u8x8_cad_SendSequence(u8x8, u8x8_d_uc1604_flip1_seq);
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u8x8->x_offset = u8x8->display_info->flipmode_x_offset;
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}
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break;
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#ifdef U8X8_WITH_SET_CONTRAST
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case U8X8_MSG_DISPLAY_SET_CONTRAST:
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u8x8_cad_StartTransfer(u8x8);
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u8x8_cad_SendCmd(u8x8, 0x081 );
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u8x8_cad_SendArg(u8x8, arg_int ); /* uc1604 has range from 0 to 255 */
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u8x8_cad_EndTransfer(u8x8);
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break;
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#endif
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default:
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return 0;
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}
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return 1;
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}
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/*================================================*/
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/* JLX19264 */
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/*
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timings from uc1608
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UC1604 has two chip select inputs (CS0 and CS1).
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CS0 is low active, CS1 is high active. It will depend on the display
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module whether the display has a is low or high active chip select.
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*/
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static const u8x8_display_info_t u8x8_uc1604_192x64_display_info =
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{
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/* chip_enable_level = */ 0, /* JLX19264G uses CS0, which is low active CS*/
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/* chip_disable_level = */ 1,
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/* post_chip_enable_wait_ns = */ 20,
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/* pre_chip_disable_wait_ns = */ 20,
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/* reset_pulse_width_ms = */ 1,
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/* post_reset_wait_ms = */ 10,
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/* sda_setup_time_ns = */ 30,
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/* sck_pulse_width_ns = */ 65, /* half of cycle time */
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/* sck_clock_hz = */ 8000000UL, /* since Arduino 1.6.0, the SPI bus speed in Hz. Should be 1000000000/sck_pulse_width_ns */
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/* spi_mode = */ 0, /* active high, rising edge */
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/* i2c_bus_clock_100kHz = */ 4,
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/* data_setup_time_ns = */ 30,
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/* write_pulse_width_ns = */ 35,
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/* tile_width = */ 24, /* width of 24*8=192 pixel */
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/* tile_height = */ 8,
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/* default_x_offset = */ 0, /* reused as y page offset */
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/* flipmode_x_offset = */ 0, /* reused as y page offset */
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/* pixel_width = */ 192,
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/* pixel_height = */ 64
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};
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static const uint8_t u8x8_d_uc1604_jlx19264_init_seq[] = {
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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U8X8_C(0x0e2), /* soft reset */
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U8X8_DLY(200),
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U8X8_DLY(200),
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U8X8_C(0x02f), /* power on, Bit 2 PC2=1 (internal charge pump), Bits 0/1: cap of panel */
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U8X8_DLY(200),
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U8X8_DLY(200),
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U8X8_CA(0x081, 0x052), /* set contrast, JLX19264G suggestion: 0x045 */
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U8X8_C(0x0eb), /* LCD bias Bits 0/1: 00=6 01=7, 10=8, 11=9 */
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//U8X8_C(0x023), /* Bit 0/1: Temp compenstation, Bit 2: Multiplex Rate 0=96, 1=128 */
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//U8X8_C(0x027), /* Bit 0/1: Temp compenstation, Bit 2: Multiplex Rate 0=96, 1=128 */
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U8X8_C(0x0c4), /* Map control, Bit 2: MY=1, Bit 1: MX=0 */
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U8X8_C(0x0a0), /* 0xa0: 76Hz FPS, controller default: 0x0a1: 95Hz FPS */
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U8X8_C(0x040), /* set scroll line to 0 */
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U8X8_C(0x089), /* RAM access control (controller default: 0x089)*/
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U8X8_C(0x000), /* column low nibble */
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U8X8_C(0x010), /* column high nibble */
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U8X8_C(0x0b0), /* page adr */
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U8X8_END_TRANSFER(), /* disable chip */
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U8X8_END() /* end of sequence */
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};
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uint8_t u8x8_d_uc1604_jlx19264(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
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{
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/* call common procedure first and handle messages there */
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if ( u8x8_d_uc1604_common(u8x8, msg, arg_int, arg_ptr) == 0 )
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{
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/* msg not handled, then try here */
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switch(msg)
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{
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case U8X8_MSG_DISPLAY_SETUP_MEMORY:
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u8x8_d_helper_display_setup_memory(u8x8, &u8x8_uc1604_192x64_display_info);
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break;
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case U8X8_MSG_DISPLAY_INIT:
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u8x8_d_helper_display_init(u8x8);
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u8x8_cad_SendSequence(u8x8, u8x8_d_uc1604_jlx19264_init_seq);
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break;
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default:
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return 0; /* msg unknown */
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}
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}
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return 1;
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}
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