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461 lines
14 KiB
461 lines
14 KiB
/*
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u8x8_d_st7528.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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ST7528: 16 Graylevel Controller
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https://github.com/olikraus/u8g2/issues/986
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I2C Address: 0x03f (0x7e)
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ERC16004
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https://www.buydisplay.com/default/2-inch-lcd-160x64-graphic-module-serial-spi-display-st7528-black-on-white
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*/
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#include "u8x8.h"
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static const uint8_t u8x8_d_st7528_powersave0_seq[] = {
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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U8X8_CA(0x038, 0x074), /* ext mode 0*/
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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_st7528_powersave1_seq[] = {
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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U8X8_CA(0x038, 0x074), /* ext mode 0*/
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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_st7528_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), /* ADC */
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U8X8_C(0x0c8), /* SHL */
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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_st7528_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), /* ADC */
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U8X8_C(0x0c0), /* SHL */
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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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input:
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one tile (8 Bytes)
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output:
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Tile for st7528 (32 Bytes)
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*/
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static uint8_t u8x8_st7528_8to32_dest_buf[32];
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static uint8_t *u8x8_st7528_8to32(U8X8_UNUSED u8x8_t *u8x8, uint8_t *ptr)
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{
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uint8_t j;
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uint8_t *dest;
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dest = u8x8_st7528_8to32_dest_buf;
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for( j = 0; j < 8; j++ )
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{
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*dest++ =*ptr;
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*dest++ =*ptr;
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*dest++ =*ptr;
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*dest++ =*ptr;
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ptr++;
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}
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return u8x8_st7528_8to32_dest_buf;
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}
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static uint8_t u8x8_d_st7528_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;
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uint8_t y, 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_st7528_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_st7528_nhd_c160100_init_seq);
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*/
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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_st7528_powersave0_seq);
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else
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u8x8_cad_SendSequence(u8x8, u8x8_d_st7528_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_st7528_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_st7528_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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u8x8_cad_StartTransfer(u8x8);
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u8x8_cad_SendCmd(u8x8, 0x081 );
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u8x8_cad_SendArg(u8x8, arg_int ); /* ssd1326 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; // not clear
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y = (((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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do
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{
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u8x8_cad_SendCmd(u8x8, 0xb0 | y ); /* set page address */
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u8x8_cad_SendCmd(u8x8, 0x10| (x>>4) ); /* set col msb*/
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u8x8_cad_SendCmd(u8x8, 0x00| (x&15) ); /* set col lsb*/
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u8x8_cad_SendData(u8x8, 32, u8x8_st7528_8to32(u8x8, ptr));
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ptr += 8;
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x += 8;
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c--;
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} while( c > 0 );
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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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static void u8x8_d_st7528_graylevel_init(u8x8_t *u8x8, uint8_t mode0)
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{
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uint8_t i;
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u8x8_cad_StartTransfer(u8x8);
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u8x8_cad_SendCmd(u8x8, 0x38 );
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u8x8_cad_SendArg(u8x8, mode0+1 );
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for( i = 0; i < 64; i++ )
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{
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u8x8_cad_SendCmd(u8x8, i+0x080 );
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u8x8_cad_SendArg(u8x8, i & 0xfc);
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}
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u8x8_cad_SendCmd(u8x8, 0x38 );
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u8x8_cad_SendArg(u8x8, mode0 );
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u8x8_cad_EndTransfer(u8x8);
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}
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/*===============================================================*/
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/* NHD C160100 */
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static const uint8_t u8x8_d_st7528_nhd_c160100_init_seq[] = {
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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/*
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I2C_out(0x48);//partial display duty ratio
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I2C_out(0x64);// 1/100 duty
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I2C_out(0xA0);//ADC select
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I2C_out(0xC8);//SHL select
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I2C_out(0x44);//initial Com0 register
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I2C_out(0x00);//scan from Com0
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I2C_out(0xAB);//OSC on
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I2C_out(0x26);//
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I2C_out(0x81); //set electronic volume
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I2C_out(0x15);//vopcode=0x1C
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I2C_out(0x56);//set 1/11 bias
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I2C_out(0x64);//3x
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delay(2);
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I2C_out(0x2C);//
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I2C_out(0x66);//5x
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delay(2);
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I2C_out(0x2E);//
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delay(2);
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I2C_out(0x2F);//power control
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I2C_out(0xF3);//bias save circuit
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I2C_out(0x00);//
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I2C_out(0x96);//frc and pwm
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I2C_out(0x38);//external mode
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I2C_out(0x75);//
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I2C_out(0x97);//3frc, 45 pwm THIS IS A MODE0 CMD, IT IS USELESS HERE
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I2C_out(0x80);//start 16-level grayscale settings
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*/
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U8X8_CA(0x038, 0x064), /* ext mode 0*/
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U8X8_CA(0x048, 0x064), /* partial display duty ratio, 1/100 duty*/
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U8X8_C(0x0a0), /* ADC */
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U8X8_C(0x0c8), /* SHL */
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U8X8_CA(0x044, 0x000), /* initial Com0 */
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U8X8_CA(0x040, 0x000), /* y shift, issue https://github.com/olikraus/u8g2/issues/1828 */
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U8X8_C(0x0ab), /* start oscillator */
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U8X8_C(0x026), /* Select the internal resistance ratio of the regulator resistor */
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U8X8_CA(0x081, 0x015), /* volumn */
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U8X8_C(0x056), /* LCD Bias */
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U8X8_C(0x064), /* DC DC step up */
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U8X8_DLY(2),
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U8X8_C(0x02c), /* Power Control */
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U8X8_C(0x066), /* DC DC step up */
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U8X8_DLY(2),
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U8X8_C(0x02e), /* Power Control */
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U8X8_DLY(2),
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U8X8_C(0x02f), /* Power Control */
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U8X8_CA(0x0f3, 0x000), /* bias power save */
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U8X8_C(0x096), /* frc and pwm */
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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_st7528_160x100_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 = */ 20,
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/* pre_chip_disable_wait_ns = */ 20,
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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 = */ 20, /* st7528 */
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/* sck_pulse_width_ns = */ 25, /* st7528 */
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/* sck_clock_hz = */ 8000000UL, /* since Arduino 1.6.0, the SPI bus speed in Hz. Should be 1000000000/sck_pulse_width_ns */
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/* st7528 actually allows 20MHz according to the datasheet */
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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 = */ 80, /* st7528 */
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/* tile_width = */ 20,
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/* tile_height = */ 13,
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/* default_x_offset = */ 0, /* x_offset is used as y offset for the ssd1326 */
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/* flipmode_x_offset = */ 0, /* x_offset is used as y offset for the ssd1326 */
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/* pixel_width = */ 160,
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/* pixel_height = */ 100
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};
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uint8_t u8x8_d_st7528_nhd_c160100(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
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{
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if ( msg == U8X8_MSG_DISPLAY_SETUP_MEMORY )
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{
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u8x8_d_helper_display_setup_memory(u8x8, &u8x8_st7528_160x100_display_info);
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return 1;
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}
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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_st7528_nhd_c160100_init_seq);
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u8x8_d_st7528_graylevel_init(u8x8, 0x074);
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return 1;
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}
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return u8x8_d_st7528_generic(u8x8, msg, arg_int, arg_ptr);
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}
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/*===============================================================*/
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/* ERC16064, https://www.buydisplay.com/2-inch-lcd-160x64-graphic-module-serial-spi-display-st7528-black-on-white */
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/*
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#define ModeSet 0x38
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#define ModeSetP1 0x64 //EXT=0
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#define ModeSetP2 0x65 //EXT=1
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#define Display_on 0xaf
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#define Display_off 0xae
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#define Regulator 0x26
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#define Contrast_level 0x81
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#define PowerControll_on1 0x2c
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#define PowerControll_on2 0x2e
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#define PowerControll_on3 0x2f
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#define LcdBias_9 0x54
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#define InterOsc_on 0xab
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#define EntireDisp_on 0xa5
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#define EntireDisp_off 0xa4
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#define BoostLevel_5 0x66
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#define Duty_set 0x48
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#define Duty_setP 0x40
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#define Start_columnlsb 0x00
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#define Start_columnmsb 0x10
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#define Start_page 0xb0
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#define StartLine_set 0x40
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//#define StartLine_setP 0x00
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#define Set_Initial_COM0 0x44
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#define Set_Initial_COM0P 0x12
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#define Entire_Displa_ON 0xA5
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#define Entire_Displa_OFF 0xA4
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#define FrcPwm_set 0x92
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#define NLineInversion_on 0x4c
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#define NLineInversion_onP 0x1f
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#define NLineInversion_off 0xe4
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#define ReverseDisp_on 0xa7
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#define ReverseDisp_off 0xa6
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#define AdcSelect 0xa0
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#define ComScanDirection 0xc8
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Write_command(ModeSet); 0x38, 0x64
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Write_command(ModeSetP1);
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Write_command(InterOsc_on); 0xab
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Write_command(Set_Initial_COM0); 0x44, 0x12
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Write_command(Set_Initial_COM0P);
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Write_command(AdcSelect); 0xa0
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Write_command(ComScanDirection); 0xc8
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Write_command(BoostLevel_5); 0x66
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Delay(1000);
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Write_command(LcdBias_9); 0x54
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Write_command(Duty_set); 0x48, 0x40
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Write_command(Duty_setP);
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Write_command(Regulator); 0x26
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Write_command(Contrast_level); 0x81, 0x0b
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Write_command(Contrast_levelP);
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Write_command(PowerControll_on1); 0x2c
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Delay(10000);
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Write_command(PowerControll_on2); 0x2e
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Delay(1000);
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Write_command(PowerControll_on3); 0x2f
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Delay(1000);
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Write_command(FrcPwm_set); 0x92
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Write_command(ModeSet);
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Write_command(ModeSetP2);
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for(i=0;i<64;i++)
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{
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Write_command(0x80+i);
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Write_command(Gray_Parameters[i]);
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}
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Write_command(ModeSet);
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Write_command(ModeSetP1);
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*/
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static const uint8_t u8x8_d_st7528_erc16064_init_seq[] = {
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
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U8X8_CA(0x038, 0x064), /* ext mode 0*/
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U8X8_C(0x0ab), /* start oscillator */
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U8X8_CA(0x044, 0x012), /* initial Com0 */
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U8X8_C(0x0a0), /* ADC */
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U8X8_C(0x0c8), /* SHL */
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U8X8_C(0x066), /* boost level, ERC16064: 0x066 */
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U8X8_DLY(1),
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U8X8_C(0x054), /* LCD Bias, ERC16064: 0x054 */
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U8X8_CA(0x048, 0x040), /* partial display duty ratio */
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U8X8_C(0x026), /* Select the internal resistance ratio of the regulator resistor */
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U8X8_CA(0x081, 0x00b), /* contrast, ERC16064: 0x00b */
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U8X8_C(0x02c), /* Power Control */
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U8X8_DLY(2),
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U8X8_C(0x02e), /* Power Control */
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U8X8_DLY(2),
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U8X8_C(0x02f), /* Power Control */
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U8X8_DLY(2),
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U8X8_C(0x092), /* frc and pwm, ERC160624: 0x092 */
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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_st7528_erc16064_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 = */ 20,
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/* pre_chip_disable_wait_ns = */ 20,
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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 = */ 20, /* st7528 */
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/* sck_pulse_width_ns = */ 25, /* st7528 */
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/* sck_clock_hz = */ 8000000UL, /* since Arduino 1.6.0, the SPI bus speed in Hz. Should be 1000000000/sck_pulse_width_ns */
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/* st7528 actually allows 20MHz according to the datasheet */
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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 = */ 80, /* st7528 */
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|
/* tile_width = */ 20,
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/* tile_height = */ 8,
|
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/* default_x_offset = */ 0, /* x_offset is used as y offset for the ssd1326 */
|
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/* flipmode_x_offset = */ 0, /* x_offset is used as y offset for the ssd1326 */
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/* pixel_width = */ 160,
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/* pixel_height = */ 64
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};
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uint8_t u8x8_d_st7528_erc16064(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
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{
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if ( msg == U8X8_MSG_DISPLAY_SETUP_MEMORY )
|
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{
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u8x8_d_helper_display_setup_memory(u8x8, &u8x8_st7528_erc16064_display_info);
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return 1;
|
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}
|
|
if ( msg == U8X8_MSG_DISPLAY_INIT )
|
|
{
|
|
u8x8_d_helper_display_init(u8x8);
|
|
u8x8_cad_SendSequence(u8x8, u8x8_d_st7528_erc16064_init_seq);
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u8x8_d_st7528_graylevel_init(u8x8, 0x064);
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|
return 1;
|
|
}
|
|
return u8x8_d_st7528_generic(u8x8, msg, arg_int, arg_ptr);
|
|
}
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