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256 lines
8.2 KiB
256 lines
8.2 KiB
/*
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u8x8_d_st7588.c
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Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/)
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Copyright (c) 2017, 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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ST7588
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- has 4 different I2C addresses
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- I2C protocol is identical to SSD13xx
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*/
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#include "u8x8.h"
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/* function set, bit 2: power down, bit 3: MY, bit 4: MX, bit 5: must be 1 */
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#define FS (0x020)
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/* not a real power down for the ST7588... just a display off */
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static const uint8_t u8x8_d_st7588_128x64_powersave0_seq[] = {
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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U8X8_C( FS | 0x00 ), /* select 00 commands */
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//U8X8_C( 0x08 ), /* display off */
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U8X8_C( 0x0c ), /* 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_st7588_128x64_powersave1_seq[] = {
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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U8X8_C( FS | 0x00 ), /* select 00 commands */
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U8X8_C( 0x08 ), /* display off */
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//U8X8_C( 0x0c ), /* 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 uint8_t u8x8_d_st7588_128x64_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_st7588_128x64_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_st7588_128x64_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_st7588_128x64_powersave0_seq);
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else
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u8x8_cad_SendSequence(u8x8, u8x8_d_st7588_128x64_powersave1_seq);
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/* restore orientation */
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if ( u8x8->x_offset == 0 )
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u8x8_cad_SendCmd(u8x8, FS ); /* select 00 commands */
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else
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u8x8_cad_SendCmd(u8x8, FS ^ 0x018 ); /* select 00 commands */
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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, FS );
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u8x8_cad_SendArg(u8x8, 4 | (arg_int>>7) );
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u8x8_cad_SendCmd(u8x8, FS | 1);
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u8x8_cad_SendArg(u8x8, 0x080 | arg_int );
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/* restore orientation */
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if ( u8x8->x_offset == 0 )
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u8x8_cad_SendCmd(u8x8, FS ); /* select 00 commands */
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else
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u8x8_cad_SendCmd(u8x8, FS ^ 0x018 ); /* select 00 commands */
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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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if ( u8x8->x_offset == 0 )
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u8x8_cad_SendCmd(u8x8, FS ); /* select 00 commands */
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else
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u8x8_cad_SendCmd(u8x8, FS ^ 0x018 ); /* select 00 commands */
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u8x8_cad_SendCmd(u8x8, 0x040 | (((u8x8_tile_t *)arg_ptr)->y_pos));
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u8x8_cad_SendCmd(u8x8, 0x0e0 | ((x&15)));
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u8x8_cad_SendCmd(u8x8, 0x0f0 | (x>>4) );
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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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static const u8x8_display_info_t u8x8_st7588_128x64_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 = */ 150,
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/* pre_chip_disable_wait_ns = */ 30,
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/* reset_pulse_width_ms = */ 5,
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/* post_reset_wait_ms = */ 5, /**/
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/* sda_setup_time_ns = */ 60, /* */
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/* sck_pulse_width_ns = */ 60, /* */
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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, /* 400KHz */
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/* data_setup_time_ns = */ 80,
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/* write_pulse_width_ns = */ 50,
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/* tile_width = */ 16,
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/* tile_height = */ 8,
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/* default_x_offset = */ 0, /* must be 0, because this is checked also for normal mode */
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/* flipmode_x_offset = */ 4,
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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_st7588_128x64_init_seq[] = {
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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U8X8_C( FS | 0x03 ), /* select 11 commands */
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U8X8_C( 0x03 ), /* software reset */
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U8X8_C( FS | 0x00 ), /* select 00 commands */
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U8X8_C( 0x08 ), /* display off */
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//U8X8_C( 0x0c ), /* display on */
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U8X8_C( FS | 0x01 ), /* select 01 commands */
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U8X8_C( 0x08 ), /* display confguration */
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U8X8_C( 0x12 ), /* bias 1/9 */
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U8X8_C( 0x8f ), /* Vop, lower 7 bits */
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U8X8_C( FS | 0x00 ), /* select 00 commands */
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U8X8_C( 0x05), /* Bit 0 contains high/low range for Vop */
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U8X8_C( FS | 0x03 ), /* select 11 commands */
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U8X8_C( 0x0b), /* Frame Rate: 73 Hz */
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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_st7588_jlx12864_flip0_seq[] = {
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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U8X8_C( FS ), /* normal 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_st7588_jlx12864_flip1_seq[] = {
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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U8X8_C( FS ^ 0x018 ), /* normal 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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uint8_t u8x8_d_st7588_jlx12864(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
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{
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if ( u8x8_d_st7588_128x64_generic(u8x8, msg, arg_int, arg_ptr) != 0 )
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return 1;
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if ( msg == U8X8_MSG_DISPLAY_SETUP_MEMORY )
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{
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u8x8_SetI2CAddress(u8x8, 0x07e); /* the JLX12864 has 0x07e as a default address for I2C */
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u8x8_d_helper_display_setup_memory(u8x8, &u8x8_st7588_128x64_display_info);
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return 1;
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}
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else if ( msg == U8X8_MSG_DISPLAY_INIT )
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{
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u8x8_d_helper_display_init(u8x8);
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u8x8_cad_SendSequence(u8x8, u8x8_d_st7588_128x64_init_seq);
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return 1;
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}
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else if ( msg == U8X8_MSG_DISPLAY_SET_FLIP_MODE )
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{
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if ( arg_int == 0 )
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{
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u8x8_cad_SendSequence(u8x8, u8x8_d_st7588_jlx12864_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_st7588_jlx12864_flip1_seq);
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u8x8->x_offset = u8x8->display_info->flipmode_x_offset;
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}
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return 1;
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}
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return 0;
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}
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