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344 lines
11 KiB
344 lines
11 KiB
/*
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u8x8_d_ks0108.c
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The classic 5V LCD
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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_ks0108_init_seq[] = {
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U8X8_C(0x0c0), /* start at the top */
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U8X8_END() /* end of sequence */
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};
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static const uint8_t u8x8_d_ks0108_powersave0_seq[] = {
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U8X8_C(0x03f), /* display on */
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U8X8_END() /* end of sequence */
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};
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static const uint8_t u8x8_d_ks0108_powersave1_seq[] = {
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U8X8_C(0x03e), /* display off */
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U8X8_END() /* end of sequence */
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};
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struct u8x8_ks0108_vars
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{
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uint8_t *ptr;
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uint8_t x;
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uint8_t c;
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uint8_t arg_int;
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};
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static void u8x8_ks0108_out(u8x8_t *u8x8, struct u8x8_ks0108_vars *v, void *arg_ptr)
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{
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uint8_t cnt;
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u8x8_cad_SendCmd(u8x8, 0x040 | ((v->x << 3) & 63) );
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u8x8_cad_SendCmd(u8x8, 0x0b8 | (((u8x8_tile_t *)arg_ptr)->y_pos));
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while( v->arg_int > 0 )
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{
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/* calculate tiles to next boundary (end or chip limit) */
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cnt = v->x;
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cnt += 8;
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cnt &= 0x0f8;
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cnt -= v->x;
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if ( cnt > v->c )
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cnt = v->c;
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/* of cours we still could use cnt=1 here... */
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/* but setting cnt to 1 is not very efficient */
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//cnt = 1;
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v->x +=cnt;
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v->c-=cnt;
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cnt<<=3;
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u8x8_cad_SendData(u8x8, cnt, v->ptr); /* note: SendData can not handle more than 255 bytes */
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v->ptr += cnt;
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if ( v->c == 0 )
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{
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v->ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr;
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v->c = ((u8x8_tile_t *)arg_ptr)->cnt;
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v->arg_int--;
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}
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if ( ((v->x) & 7) == 0 )
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break;
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}
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}
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static const u8x8_display_info_t u8x8_ks0108_128x64_display_info =
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{
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/* chip_enable_level = */ 0, /* KS0108: Not used */
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/* chip_disable_level = */ 1, /* KS0108: Not used */
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/* post_chip_enable_wait_ns = */ 100,
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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 = */ 6, /* could be faster for the KS0108 */
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/* sda_setup_time_ns = */ 12,
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/* sck_pulse_width_ns = */ 75, /* KS0108: Not used */
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/* sck_clock_hz = */ 4000000UL, /* KS0108: Not used */
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/* spi_mode = */ 0, /* active high, rising edge */
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/* i2c_bus_clock_100kHz = */ 4, /* KS0108: Not used */
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/* data_setup_time_ns = */ 200,
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/* write_pulse_width_ns = */ 250, /* KS0108: actially 450 ns, but additional 200 ns are added by the byte transfer function */
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/* tile_width = */ 16, /* width of 16*8=128 pixel */
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/* tile_height = */ 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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uint8_t u8x8_d_ks0108_128x64(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
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{
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struct u8x8_ks0108_vars v;
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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_ks0108_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_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 1, NULL);
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u8x8_cad_SendSequence(u8x8, u8x8_d_ks0108_init_seq);
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u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 0, NULL);
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u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 2, NULL);
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u8x8_cad_SendSequence(u8x8, u8x8_d_ks0108_init_seq);
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u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 0, NULL);
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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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{
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u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 1, NULL);
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u8x8_cad_SendSequence(u8x8, u8x8_d_ks0108_powersave0_seq);
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u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 0, NULL);
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u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 2, NULL);
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u8x8_cad_SendSequence(u8x8, u8x8_d_ks0108_powersave0_seq);
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u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 0, NULL);
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}
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else
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{
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u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 1, NULL);
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u8x8_cad_SendSequence(u8x8, u8x8_d_ks0108_powersave1_seq);
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u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 0, NULL);
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u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 2, NULL);
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u8x8_cad_SendSequence(u8x8, u8x8_d_ks0108_powersave1_seq);
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u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 0, NULL);
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}
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break;
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// The KS0108 can not mirror the cols and rows, use U8g2 for rotation
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// case U8X8_MSG_DISPLAY_SET_FLIP_MODE:
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// break;
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// The KS0108 has no internal contrast command
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// case U8X8_MSG_DISPLAY_SET_CONTRAST:
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// break;
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case U8X8_MSG_DISPLAY_DRAW_TILE:
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v.ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr;
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v.x = ((u8x8_tile_t *)arg_ptr)->x_pos;
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v.c = ((u8x8_tile_t *)arg_ptr)->cnt;
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v.arg_int = arg_int;
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if ( v.x < 8 )
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{
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u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 1, NULL);
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u8x8_ks0108_out(u8x8, &v, arg_ptr);
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u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 0, NULL);
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}
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if ( v.x < 16 )
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{
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u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 2, NULL);
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u8x8_ks0108_out(u8x8, &v, arg_ptr);
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u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 0, NULL);
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}
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//if ( v.x < 24 )
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//{
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//u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 4, NULL);
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//u8x8_ks0108_out(u8x8, &v, arg_ptr);
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//u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 0, NULL);
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//}
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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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static const u8x8_display_info_t u8x8_ks0108_192x64_display_info =
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{
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/* chip_enable_level = */ 0, /* KS0108: Not used */
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/* chip_disable_level = */ 1, /* KS0108: Not used */
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/* post_chip_enable_wait_ns = */ 100,
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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 = */ 6, /* could be faster for the KS0108 */
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/* sda_setup_time_ns = */ 12,
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/* sck_pulse_width_ns = */ 75, /* KS0108: Not used */
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/* sck_clock_hz = */ 4000000UL, /* KS0108: Not used */
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/* spi_mode = */ 0, /* active high, rising edge */
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/* i2c_bus_clock_100kHz = */ 4, /* KS0108: Not used */
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/* data_setup_time_ns = */ 200,
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/* write_pulse_width_ns = */ 250, /* KS0108: actially 450 ns, but additional 200 ns are added by the byte transfer function */
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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,
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/* flipmode_x_offset = */ 0,
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/* pixel_width = */ 192,
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/* pixel_height = */ 64
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};
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/* east rising (buydisplay.com) ERM19264 */
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/* left: 011, middle: 101, right: 110, no chip select: 111 */
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uint8_t u8x8_d_ks0108_erm19264(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
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{
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struct u8x8_ks0108_vars v;
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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_ks0108_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_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 3, NULL);
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u8x8_cad_SendSequence(u8x8, u8x8_d_ks0108_init_seq);
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u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 7, NULL);
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u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 5, NULL);
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u8x8_cad_SendSequence(u8x8, u8x8_d_ks0108_init_seq);
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u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 7, NULL);
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u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 6, NULL);
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u8x8_cad_SendSequence(u8x8, u8x8_d_ks0108_init_seq);
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u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 7, NULL);
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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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{
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u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 3, NULL);
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u8x8_cad_SendSequence(u8x8, u8x8_d_ks0108_powersave0_seq);
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u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 7, NULL);
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u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 5, NULL);
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u8x8_cad_SendSequence(u8x8, u8x8_d_ks0108_powersave0_seq);
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u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 7, NULL);
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u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 6, NULL);
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u8x8_cad_SendSequence(u8x8, u8x8_d_ks0108_powersave0_seq);
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u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 7, NULL);
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}
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else
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{
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u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 3, NULL);
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u8x8_cad_SendSequence(u8x8, u8x8_d_ks0108_powersave1_seq);
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u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 7, NULL);
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u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 5, NULL);
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u8x8_cad_SendSequence(u8x8, u8x8_d_ks0108_powersave1_seq);
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u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 7, NULL);
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u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 6, NULL);
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u8x8_cad_SendSequence(u8x8, u8x8_d_ks0108_powersave1_seq);
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u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 7, NULL);
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}
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break;
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// The KS0108 can not mirror the cols and rows, use U8g2 for rotation
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// case U8X8_MSG_DISPLAY_SET_FLIP_MODE:
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// break;
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// The KS0108 has no internal contrast command
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// case U8X8_MSG_DISPLAY_SET_CONTRAST:
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// break;
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case U8X8_MSG_DISPLAY_DRAW_TILE:
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v.ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr;
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v.x = ((u8x8_tile_t *)arg_ptr)->x_pos;
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v.c = ((u8x8_tile_t *)arg_ptr)->cnt;
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v.arg_int = arg_int;
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/*
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3-bit CS value:
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In u8x8_byte_set_ks0108_cs(u8x8_t *u8x8, uint8_t arg) the lowest
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bit is assigned to CS and highest bit if the 3-bit value to CS2
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CS: left part of the display --> 6
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CS1: middle part --> 5
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CS2: right part of the display --> 3
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Reference: https://github.com/olikraus/u8g2/issues/631
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*/
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if ( v.x < 8 )
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{
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u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 6, NULL); // 3-->6, issue 631
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u8x8_ks0108_out(u8x8, &v, arg_ptr);
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u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 7, NULL);
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}
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if ( v.x < 16 )
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{
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u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 5, NULL);
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u8x8_ks0108_out(u8x8, &v, arg_ptr);
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u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 7, NULL);
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}
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if ( v.x < 24 )
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{
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u8x8->cad_cb(u8x8, U8X8_MSG_CAD_START_TRANSFER, 3, NULL); // 6-->3, // issue 631
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u8x8_ks0108_out(u8x8, &v, arg_ptr);
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u8x8->cad_cb(u8x8, U8X8_MSG_CAD_END_TRANSFER, 7, NULL);
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}
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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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