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214 lines
7.3 KiB
214 lines
7.3 KiB
/*
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u8x8_d_st7511.c
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Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/)
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Copyright (c) 2019, 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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20 May 2019:
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https://github.com/olikraus/u8g2/issues/876
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Probably HW Flip does not work
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*/
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#include "u8x8.h"
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static const uint8_t u8x8_d_st7511_320x240_powersave0_seq[] = {
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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U8X8_CA(0x015, 0x0a5), /* 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_st7511_320x240_powersave1_seq[] = {
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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U8X8_CA(0x014, 0x0a5), /* display off */
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// maybe use sleep mode here, but it not clear whether sleep mode will reset all the settings
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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_st7511_320x240_flip0_seq[] = {
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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U8X8_CAAAA(0x24, 0x01, 0xa5, 0xa5, 0xa5), /* memory control directions */
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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_st7511_320x240_flip1_seq[] = {
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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U8X8_CAAAA(0x24, 0x02, 0xa5, 0xa5, 0xa5), /* memory control directions */
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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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/*=====================================================*/
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/* AV-Display: AVD-TM57QV-NW-001-B, issue 876 */
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static const u8x8_display_info_t u8x8_st7511_320x240_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, /* ST7511 Datasheet */
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/* pre_chip_disable_wait_ns = */ 150, /* ST7511 Datasheet */
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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 = */ 120, /* ST7511 Datasheet */
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/* sck_pulse_width_ns = */ 150, /* ST7511 Datasheet */
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/* sck_clock_hz = */ 3300000UL, /* ST7511 Datasheet: 300ns cycle */
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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, /* */
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/* write_pulse_width_ns = */ 250, /* ST7511 Datasheet: 500ns */
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/* tile_width = */ 40, /* width of 17*8=136 pixel */
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/* tile_height = */ 30,
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/* default_x_offset = */ 160,
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/* flipmode_x_offset = */ 0,
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/* pixel_width = */ 320,
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/* pixel_height = */ 240
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};
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static const uint8_t u8x8_d_st7511_320x240_init_seq[] = {
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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U8X8_CA(0xae, 0xa5), /* SW Reset */
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U8X8_CAAAA(0x61, 0x0f, 0x04, 0x02, 0xa5), /* all power on */
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U8X8_CAAAA(0x62, 0x0a, 0x06, 0x0f, 0xa5), /* electronic volumne set 1 */
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U8X8_CAAAA(0x63, 0x0f, 0x0f, 0xa5, 0xa5), /* electronic volumne set 2 */
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U8X8_CAAAA(0x66, 0x00, 0xa5, 0xa5, 0xa5), /* electronic volumne set 2 */
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U8X8_CA(0x12, 0xa5), /* SLeeP OUT */
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U8X8_DLY(50),
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// skiping display on here, deviation from https://github.com/olikraus/u8g2/issues/876
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// will be called later in u8x8_d_st7511_320x240_powersave0_seq
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U8X8_CAAAA(0x22, 0x00, 0xa5, 0xa5, 0xa5), /* monochrome display */
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U8X8_CAAAA(0x24, 0x01, 0xa5, 0xa5, 0xa5), /* memory control directions */
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U8X8_DLY(50),
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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_st7511_avd_320x240(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
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{
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uint16_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_SETUP_MEMORY:
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u8x8_d_helper_display_setup_memory(u8x8, &u8x8_st7511_320x240_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_st7511_320x240_init_seq);
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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_st7511_320x240_powersave0_seq);
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else
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u8x8_cad_SendSequence(u8x8, u8x8_d_st7511_320x240_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_st7511_320x240_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_st7511_320x240_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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// not sure how to implement this....
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// u8x8_cad_StartTransfer(u8x8);
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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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// set page
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u8x8_cad_SendCmd(u8x8, 0x025);
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u8x8_cad_SendArg(u8x8, (((u8x8_tile_t *)arg_ptr)->y_pos));
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u8x8_cad_SendArg(u8x8, 0x09f); // end page
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u8x8_cad_SendArg(u8x8, 0x000); // frame 0
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u8x8_cad_SendArg(u8x8, 0x0a5);
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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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// set column
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u8x8_cad_SendCmd(u8x8, 0x026);
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u8x8_cad_SendArg(u8x8, (x>>8) );
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u8x8_cad_SendArg(u8x8, (x&255) );
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u8x8_cad_SendArg(u8x8, 0x002);
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u8x8_cad_SendArg(u8x8, 0x07f);
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// start data transfer
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u8x8_cad_SendCmd(u8x8, 0x02c);
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u8x8_cad_SendArg(u8x8, 0x0a5 );
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do
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{
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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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while ( c > 128 )
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{
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u8x8_cad_SendData(u8x8, 128, ptr); /* note: SendData can not handle more than 255 bytes */
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c -= 128;
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ptr += 128;
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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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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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