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299 lines
11 KiB
299 lines
11 KiB
/*
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u8x8_d_sh1108.c
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Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/)
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Copyright (c) 2018, 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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/*
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code copyied from sh1107
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SH1108: 160x160 controller from Sino Wealth
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*/
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static const uint8_t u8x8_d_sh1108_noname_powersave0_seq[] = {
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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U8X8_C(0x0af), /* display on */
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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_sh1108_noname_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 */
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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_sh1108_160x160_noname_powersave0_seq[] = {
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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U8X8_C(0x0a0), /* segment remap a0/a1*/
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U8X8_C(0x0c0), /* c0: scan dir normal, c8: reverse */
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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_sh1108_160x160_noname_powersave1_seq[] = {
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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U8X8_C(0x0a1), /* segment remap a0/a1*/
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U8X8_C(0x0c8), /* c0: scan dir normal, c8: reverse */
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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 uint8_t u8x8_d_sh1108_generic(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
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{
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uint8_t x, c;
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uint8_t *ptr;
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switch(msg)
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{
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/* handled by the calling function
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case U8X8_MSG_DISPLAY_SETUP_MEMORY:
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u8x8_d_helper_display_setup_memory(u8x8, &u8x8_sh1108_64x128_noname_display_info);
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break;
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*/
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/* handled by the calling function
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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_sh1108_64x128_noname_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_sh1108_noname_powersave0_seq);
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else
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u8x8_cad_SendSequence(u8x8, u8x8_d_sh1108_noname_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_sh1108_160x160_noname_powersave0_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_sh1108_160x160_noname_powersave1_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 ); /* sh1108 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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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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x += u8x8->x_offset;
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//u8x8_cad_SendCmd(u8x8, 0x040 ); /* set line offset to 0 */
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// set column address
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u8x8_cad_SendCmd(u8x8, 0x010 | (x >> 4));
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u8x8_cad_SendCmd(u8x8, 0x000 | ((x & 15)));
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// set page address
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u8x8_cad_SendCmd(u8x8, 0x0b0 ); // page cmd is a two byte command
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u8x8_cad_SendArg(u8x8, (((u8x8_tile_t *)arg_ptr)->y_pos));
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do
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{
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c = ((u8x8_tile_t *)arg_ptr)->cnt;
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ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr;
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u8x8_cad_SendData(u8x8, c*8, 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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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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/* issue #619, 160x160 OLED */
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static const uint8_t u8x8_d_sh1108_160x160_noname_init_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 */
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U8X8_CA(0x0d5, 0x060), /* clock divide ratio and oscillator frequency */
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U8X8_CA(0x0a9, 0x003), /* set display resolution, 0=64x160, 1=96x160, 2=128x160, 3=160x160 */
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U8X8_C(0x020), /* addressing mode */
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U8X8_CA(0x081, 0x01f), /* set contrast control */
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U8X8_CA(0x0ad, 0x80), /* DC/DC control 80=Use external Vpp, 89=Use internal DC/DC*/
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U8X8_C(0x030), /* set discharge VSL level, 0x030..0x03f */
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U8X8_CA(0x0d9, 0x028), /* pre-charge period */
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U8X8_CA(0x0db, 0x035), /* vcomh deselect level */
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U8X8_CA(0x0dc, 0x035), /* VSEGM Deselect Level */
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U8X8_C(0x0a0), /* segment remap a0/a1*/
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U8X8_C(0x0c0), /* c0: scan dir normal, c8: reverse */
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U8X8_C(0x0a4), /* output ram to display */
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U8X8_C(0x0a6), /* none inverted normal display 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 u8x8_display_info_t u8x8_sh1108_160x160_noname_display_info =
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{
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/* chip_enable_level = */ 0,
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/* chip_disable_level = */ 1,
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/* post_chip_enable_wait_ns = */ 60,
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/* pre_chip_disable_wait_ns = */ 120,
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/* reset_pulse_width_ms = */ 100, /* sh1108: 3 us */
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/* post_reset_wait_ms = */ 100, /* sometimes OLEDs need much longer setup time */
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/* sda_setup_time_ns = */ 100, /* sh1108: 100ns */
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/* sck_pulse_width_ns = */ 100, /* sh1108: 100ns */
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/* sck_clock_hz = */ 4000000UL, /* 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 = */ 40,
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/* write_pulse_width_ns = */ 150, /* sh1108: cycle time is 300ns, so use 300/2 = 150 */
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/* tile_width = */ 20,
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/* tile_height = */ 20,
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/* default_x_offset = */ 0,
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/* flipmode_x_offset = */ 0,
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/* pixel_width = */ 160,
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/* pixel_height = */ 160
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};
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uint8_t u8x8_d_sh1108_160x160(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
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{
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if ( u8x8_d_sh1108_generic(u8x8, msg, arg_int, arg_ptr) != 0 )
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return 1;
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switch(msg)
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{
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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_sh1108_160x160_noname_init_seq);
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break;
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case U8X8_MSG_DISPLAY_SETUP_MEMORY:
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u8x8_d_helper_display_setup_memory(u8x8, &u8x8_sh1108_160x160_noname_display_info);
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break;
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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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/* issue #1998, 128x160 OLED */
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static const uint8_t u8x8_d_sh1108_128x160_noname_init_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 */
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U8X8_CA(0x0d5, 0x060), /* clock divide ratio and oscillator frequency */
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U8X8_CA(0x0a9, 0x003), /* set display resolution, 0=64x160, 1=96x160, 2=128x160, 3=160x160 */
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U8X8_C(0x020), /* addressing mode */
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U8X8_CA(0x081, 0x01f), /* set contrast control */
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U8X8_CA(0x0ad, 0x80), /* DC/DC control 80=Use external Vpp, 89=Use internal DC/DC*/
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U8X8_C(0x030), /* set discharge VSL level, 0x030..0x03f */
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U8X8_CA(0x0d9, 0x028), /* pre-charge period */
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U8X8_CA(0x0db, 0x035), /* vcomh deselect level */
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U8X8_CA(0x0dc, 0x035), /* VSEGM Deselect Level */
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U8X8_C(0x0a0), /* segment remap a0/a1*/
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U8X8_C(0x0c0), /* c0: scan dir normal, c8: reverse */
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U8X8_C(0x0a4), /* output ram to display */
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U8X8_C(0x0a6), /* none inverted normal display 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 u8x8_display_info_t u8x8_sh1108_128x160_noname_display_info =
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{
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/* chip_enable_level = */ 0,
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/* chip_disable_level = */ 1,
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/* post_chip_enable_wait_ns = */ 60,
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/* pre_chip_disable_wait_ns = */ 120,
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/* reset_pulse_width_ms = */ 100, /* sh1108: 3 us */
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/* post_reset_wait_ms = */ 100, /* sometimes OLEDs need much longer setup time */
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/* sda_setup_time_ns = */ 100, /* sh1108: 100ns */
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/* sck_pulse_width_ns = */ 100, /* sh1108: 100ns */
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/* sck_clock_hz = */ 4000000UL, /* 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 = */ 40,
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/* write_pulse_width_ns = */ 150, /* sh1108: cycle time is 300ns, so use 300/2 = 150 */
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/* tile_width = */ 16,
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/* tile_height = */ 20,
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/* default_x_offset = */ 16,
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/* flipmode_x_offset = */ 16,
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/* pixel_width = */ 128,
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/* pixel_height = */ 160
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};
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uint8_t u8x8_d_sh1108_128x160(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
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{
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if ( u8x8_d_sh1108_generic(u8x8, msg, arg_int, arg_ptr) != 0 )
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return 1;
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switch(msg)
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{
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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_sh1108_128x160_noname_init_seq);
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break;
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case U8X8_MSG_DISPLAY_SETUP_MEMORY:
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u8x8_d_helper_display_setup_memory(u8x8, &u8x8_sh1108_128x160_noname_display_info);
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break;
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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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