issue #2063
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kraus
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c9a24e6001
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/*
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u8x8_d_s1d15300.c
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Created as a copy of u8x8_d_st7565.c, see https://github.com/olikraus/u8g2/issues/2063
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Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/)
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Copyright (c) 2022, 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_st7565_powersave0_seq[] = {
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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U8X8_C(0x0a4), /* all pixel off, see datasheet for the s1d15300 */
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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_st7565_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_C(0x0a5), /* enter powersafe, see datasheet for the s1d15300 */
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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_st7565_flip0_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_st7565_flip1_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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uint8_t u8x8_d_st7565_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, 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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x += u8x8->x_offset;
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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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u8x8_cad_SendCmd(u8x8, 0x0b0 | (((u8x8_tile_t *)arg_ptr)->y_pos));
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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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/*
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The following if condition checks the hardware limits of the st7565
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controller: It is not allowed to write beyond the display limits.
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This is in fact an issue within flip mode.
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*/
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if ( c + x > 132u )
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{
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c = 132u;
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c -= x;
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}
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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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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_st7565_powersave0_seq);
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else
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u8x8_cad_SendSequence(u8x8, u8x8_d_st7565_powersave1_seq);
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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, 0x080 | (arg_int >> 3) ); /* s1d15300 has only 5 bits for contrast */
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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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/* LM6023, S1D15300 controller, issue 2063 */
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static const u8x8_display_info_t u8x8_s1d15300_lm6023_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 = */ 250, /* */
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/* pre_chip_disable_wait_ns = */ 120, /* */
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/* reset_pulse_width_ms = */ 1,
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/* post_reset_wait_ms = */ 1,
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/* sda_setup_time_ns = */ 200, /* */
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/* sck_pulse_width_ns = */ 200, /* half of cycle time (100ns according to datasheet), AVR: below 70: 8 MHz, >= 70 --> 4MHz clock */
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/* sck_clock_hz = */ 1000000UL, /* 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 = */ 200, /* st7565 datasheet, table 24, tds8 */
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/* write_pulse_width_ns = */ 200, /* st7565 datasheet, table 24, tcclw */
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/* tile_width = */ 16, /* width of 16*8=128 pixel */
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/* tile_hight = */ 8,
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/* default_x_offset = */ 0,
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/* flipmode_x_offset = */ 0,
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/* pixel_width = */ 128,
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/* pixel_height = */ 64
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};
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static const uint8_t u8x8_d_s1d15300_lm6023_init_seq[] = {
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#ifdef OBSOLETE
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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_C(0x0ae), /* display off */
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U8X8_C(0x040), /* set display start line to 0 */
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U8X8_C(0x0a1), /* ADC set to reverse */
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U8X8_C(0x0c0), /* common output mode */
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// Flipmode
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//U8X8_C(0x0a0), /* ADC set to reverse */
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//U8X8_C(0x0c8), /* common output mode */
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U8X8_C(0x0a6), /* display normal, bit val 0: LCD pixel off. */
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U8X8_C(0x0a2), /* LCD bias 1/9 */
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U8X8_C(0x02f), /* all power control circuits on */
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U8X8_CA(0x0f8, 0x000), /* set booster ratio to 4x */
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U8X8_C(0x025), /* set V0 voltage resistor ratio to large, issue 1678: changed from 0x23 to 0x25 */
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U8X8_CA(0x081, 170), /* set contrast, contrast value NHD C12864, see issue 186, increased contrast to 180 (issue 219), reduced to 170 (issue 1678) */
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U8X8_C(0x0ae), /* display off */
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U8X8_C(0x0a5), /* enter powersafe: all pixel on, issue 142 */
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U8X8_END_TRANSFER(), /* disable chip */
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U8X8_END() /* end of sequence */
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#endif
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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_C(0x0ae), /* display off */
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U8X8_C(0x040), /* set display start line to 0 */
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U8X8_C(0x0a0), /* ADC set to normal */
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U8X8_C(0x0a6), /* Display normal */
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U8X8_C(0x0a4), /* all point normal */
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U8X8_C(0x0a2), /* LCD bias 1/8 */
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U8X8_C(0x0c0), /* common output mode */
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U8X8_C(0x02f), /* all power control circuits on */
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U8X8_C(0x090), /* set contrast */
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//U8X8_C(0x0af), /* display on */
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U8X8_C(0x0b0), /* set page address */
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U8X8_C(0x01f), /* set column address upper */
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U8X8_C(0x000), /* set column address lower */
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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_s1d15300_lm6023(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_st7565_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_s1d15300_lm6023_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_s1d15300_lm6023_init_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_st7565_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_st7565_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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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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/*================================================*/
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