diff -r 000000000000 -r 88d965579617 components/u8g2/csrc/u8x8_d_st7588.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/components/u8g2/csrc/u8x8_d_st7588.c Tue Oct 08 12:00:31 2019 +0200 @@ -0,0 +1,256 @@ +/* + + u8x8_d_st7588.c + + Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/) + + Copyright (c) 2017, olikraus@gmail.com + All rights reserved. + + Redistribution and use in source and binary forms, with or without modification, + are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright notice, this list + of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above copyright notice, this + list of conditions and the following disclaimer in the documentation and/or other + materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR + CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + + ST7588 + - has 4 different I2C addresses + - I2C protocol is identical to SSD13xx + +*/ + + +#include "u8x8.h" + +/* function set, bit 2: power down, bit 3: MY, bit 4: MX, bit 5: must be 1 */ +#define FS (0x020) + +/* not a real power down for the ST7588... just a display off */ +static const uint8_t u8x8_d_st7588_128x64_powersave0_seq[] = { + U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ + U8X8_C( FS | 0x00 ), /* select 00 commands */ + //U8X8_C( 0x08 ), /* display off */ + U8X8_C( 0x0c ), /* display on */ + U8X8_END_TRANSFER(), /* disable chip */ + U8X8_END() /* end of sequence */ +}; + +static const uint8_t u8x8_d_st7588_128x64_powersave1_seq[] = { + U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ + U8X8_C( FS | 0x00 ), /* select 00 commands */ + U8X8_C( 0x08 ), /* display off */ + //U8X8_C( 0x0c ), /* display on */ + U8X8_END_TRANSFER(), /* disable chip */ + U8X8_END() /* end of sequence */ +}; + + + + +static uint8_t u8x8_d_st7588_128x64_generic(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr) +{ + uint8_t x, c; + uint8_t *ptr; + switch(msg) + { + /* handled by the calling function + case U8X8_MSG_DISPLAY_SETUP_MEMORY: + u8x8_d_helper_display_setup_memory(u8x8, &u8x8_st7588_128x64_display_info); + break; + */ + /* handled by the calling function + case U8X8_MSG_DISPLAY_INIT: + u8x8_d_helper_display_init(u8x8); + u8x8_cad_SendSequence(u8x8, u8x8_d_st7588_128x64_init_seq); + break; + */ + case U8X8_MSG_DISPLAY_SET_POWER_SAVE: + if ( arg_int == 0 ) + u8x8_cad_SendSequence(u8x8, u8x8_d_st7588_128x64_powersave0_seq); + else + u8x8_cad_SendSequence(u8x8, u8x8_d_st7588_128x64_powersave1_seq); + + /* restore orientation */ + if ( u8x8->x_offset == 0 ) + u8x8_cad_SendCmd(u8x8, FS ); /* select 00 commands */ + else + u8x8_cad_SendCmd(u8x8, FS ^ 0x018 ); /* select 00 commands */ + + break; +#ifdef U8X8_WITH_SET_CONTRAST + case U8X8_MSG_DISPLAY_SET_CONTRAST: + + u8x8_cad_StartTransfer(u8x8); + + u8x8_cad_SendCmd(u8x8, FS ); + u8x8_cad_SendArg(u8x8, 4 | (arg_int>>7) ); + u8x8_cad_SendCmd(u8x8, FS | 1); + u8x8_cad_SendArg(u8x8, 0x080 | arg_int ); + + /* restore orientation */ + if ( u8x8->x_offset == 0 ) + u8x8_cad_SendCmd(u8x8, FS ); /* select 00 commands */ + else + u8x8_cad_SendCmd(u8x8, FS ^ 0x018 ); /* select 00 commands */ + u8x8_cad_EndTransfer(u8x8); + break; +#endif + case U8X8_MSG_DISPLAY_DRAW_TILE: + + u8x8_cad_StartTransfer(u8x8); + x = ((u8x8_tile_t *)arg_ptr)->x_pos; + x *= 8; + + x += u8x8->x_offset; + + if ( u8x8->x_offset == 0 ) + u8x8_cad_SendCmd(u8x8, FS ); /* select 00 commands */ + else + u8x8_cad_SendCmd(u8x8, FS ^ 0x018 ); /* select 00 commands */ + + u8x8_cad_SendCmd(u8x8, 0x040 | (((u8x8_tile_t *)arg_ptr)->y_pos)); + u8x8_cad_SendCmd(u8x8, 0x0e0 | ((x&15))); + u8x8_cad_SendCmd(u8x8, 0x0f0 | (x>>4) ); + + + do + { + c = ((u8x8_tile_t *)arg_ptr)->cnt; + ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr; + u8x8_cad_SendData(u8x8, c*8, ptr); /* note: SendData can not handle more than 255 bytes */ + arg_int--; + } while( arg_int > 0 ); + + u8x8_cad_EndTransfer(u8x8); + break; + default: + return 0; + } + return 1; +} + +/*=============================================*/ + +static const u8x8_display_info_t u8x8_st7588_128x64_display_info = +{ + /* chip_enable_level = */ 0, + /* chip_disable_level = */ 1, + + /* post_chip_enable_wait_ns = */ 150, + /* pre_chip_disable_wait_ns = */ 30, + /* reset_pulse_width_ms = */ 5, + /* post_reset_wait_ms = */ 5, /**/ + /* sda_setup_time_ns = */ 60, /* */ + /* sck_pulse_width_ns = */ 60, /* */ + /* sck_clock_hz = */ 4000000UL, /* since Arduino 1.6.0, the SPI bus speed in Hz. Should be 1000000000/sck_pulse_width_ns */ + /* spi_mode = */ 0, /* active high, rising edge */ + /* i2c_bus_clock_100kHz = */ 4, /* 400KHz */ + /* data_setup_time_ns = */ 80, + /* write_pulse_width_ns = */ 50, + /* tile_width = */ 16, + /* tile_hight = */ 8, + /* default_x_offset = */ 0, /* must be 0, because this is checked also for normal mode */ + /* flipmode_x_offset = */ 4, + /* pixel_width = */ 128, + /* pixel_height = */ 64 +}; + + + +static const uint8_t u8x8_d_st7588_128x64_init_seq[] = { + + U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ + + U8X8_C( FS | 0x03 ), /* select 11 commands */ + U8X8_C( 0x03 ), /* software reset */ + + U8X8_C( FS | 0x00 ), /* select 00 commands */ + U8X8_C( 0x08 ), /* display off */ + //U8X8_C( 0x0c ), /* display on */ + + U8X8_C( FS | 0x01 ), /* select 01 commands */ + U8X8_C( 0x08 ), /* display confguration */ + U8X8_C( 0x12 ), /* bias 1/9 */ + U8X8_C( 0x8f ), /* Vop, lower 7 bits */ + + U8X8_C( FS | 0x00 ), /* select 00 commands */ + U8X8_C( 0x05), /* Bit 0 contains high/low range for Vop */ + + + U8X8_C( FS | 0x03 ), /* select 11 commands */ + U8X8_C( 0x0b), /* Frame Rate: 73 Hz */ + + + + U8X8_END_TRANSFER(), /* disable chip */ + U8X8_END() /* end of sequence */ +}; + + +static const uint8_t u8x8_d_st7588_jlx12864_flip0_seq[] = { + U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ + U8X8_C( FS ), /* normal mode */ + U8X8_END_TRANSFER(), /* disable chip */ + U8X8_END() /* end of sequence */ +}; + +static const uint8_t u8x8_d_st7588_jlx12864_flip1_seq[] = { + U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ + U8X8_C( FS ^ 0x018 ), /* normal mode */ + U8X8_END_TRANSFER(), /* disable chip */ + U8X8_END() /* end of sequence */ +}; + + +uint8_t u8x8_d_st7588_jlx12864(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr) +{ + if ( u8x8_d_st7588_128x64_generic(u8x8, msg, arg_int, arg_ptr) != 0 ) + return 1; + if ( msg == U8X8_MSG_DISPLAY_SETUP_MEMORY ) + { + u8x8_SetI2CAddress(u8x8, 0x07e); /* the JLX12864 has 0x07e as a default address for I2C */ + u8x8_d_helper_display_setup_memory(u8x8, &u8x8_st7588_128x64_display_info); + return 1; + } + else if ( msg == U8X8_MSG_DISPLAY_INIT ) + { + u8x8_d_helper_display_init(u8x8); + u8x8_cad_SendSequence(u8x8, u8x8_d_st7588_128x64_init_seq); + return 1; + } + else if ( msg == U8X8_MSG_DISPLAY_SET_FLIP_MODE ) + { + if ( arg_int == 0 ) + { + u8x8_cad_SendSequence(u8x8, u8x8_d_st7588_jlx12864_flip0_seq); + u8x8->x_offset = u8x8->display_info->default_x_offset; + } + else + { + u8x8_cad_SendSequence(u8x8, u8x8_d_st7588_jlx12864_flip1_seq); + u8x8->x_offset = u8x8->display_info->flipmode_x_offset; + } + return 1; + } + return 0; +} + +