diff -r 000000000000 -r 88d965579617 components/u8g2/csrc/u8x8_d_sh1122.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/components/u8g2/csrc/u8x8_d_sh1122.c Tue Oct 08 12:00:31 2019 +0200 @@ -0,0 +1,287 @@ +/* + + u8x8_d_sh1122.c + + Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/) + + Copyright (c) 2016, 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. + + + Copied from sh1122 mostly because of the similar RAM architecture. + However: Commands are very different! + +*/ +#include "u8x8.h" + + + + +static const uint8_t u8x8_d_sh1122_powersave0_seq[] = { + U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ + U8X8_C(0x0af), /* sh1122: display on */ + U8X8_END_TRANSFER(), /* disable chip */ + U8X8_END() /* end of sequence */ +}; + +static const uint8_t u8x8_d_sh1122_powersave1_seq[] = { + U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ + U8X8_C(0x0ae), /* sh1122: display off */ + U8X8_END_TRANSFER(), /* disable chip */ + U8X8_END() /* end of sequence */ +}; + + + + +/* + input: + one tile (8 Bytes) + output: + Tile for SH1122 (32 Bytes) +*/ + +/* +static uint8_t u8x8_sh1122_to32_dest_buf[32]; + +static uint8_t *u8x8_sh1122_8to32(U8X8_UNUSED u8x8_t *u8x8, uint8_t *ptr) +{ + uint8_t v; + uint8_t a,b; + uint8_t i, j; + uint8_t *dest; + + for( j = 0; j < 4; j++ ) + { + dest = u8x8_sh1122_to32_dest_buf; + dest += j; + a =*ptr; + ptr++; + b = *ptr; + ptr++; + for( i = 0; i < 8; i++ ) + { + v = 0; + if ( a&1 ) v |= 0xf0; + if ( b&1 ) v |= 0x0f; + *dest = v; + dest+=4; + a >>= 1; + b >>= 1; + } + } + + return u8x8_sh1122_to32_dest_buf; +} +*/ + + +static uint8_t u8x8_write_byte_to_16gr_device(u8x8_t *u8x8, uint8_t b) +{ + static uint8_t buf[4]; + static uint8_t map[4] = { 0, 0x00f, 0x0f0, 0x0ff }; + buf [3] = map[b & 3]; + b>>=2; + buf [2] = map[b & 3]; + b>>=2; + buf [1] = map[b & 3]; + b>>=2; + buf [0] = map[b & 3]; + return u8x8_cad_SendData(u8x8, 4, buf); +} + +uint8_t u8x8_d_sh1122_common(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr) +{ + uint8_t x; + uint8_t y, c, i; + uint8_t *ptr; + switch(msg) + { + /* U8X8_MSG_DISPLAY_SETUP_MEMORY is handled by the calling function */ + /* + case U8X8_MSG_DISPLAY_SETUP_MEMORY: + break; + case U8X8_MSG_DISPLAY_INIT: + u8x8_d_helper_display_init(u8x8); + u8x8_cad_SendSequence(u8x8, u8x8_d_sh1122_256x64_init_seq); + break; + */ + case U8X8_MSG_DISPLAY_SET_POWER_SAVE: + if ( arg_int == 0 ) + u8x8_cad_SendSequence(u8x8, u8x8_d_sh1122_powersave0_seq); + else + u8x8_cad_SendSequence(u8x8, u8x8_d_sh1122_powersave1_seq); + break; +#ifdef U8X8_WITH_SET_CONTRAST + case U8X8_MSG_DISPLAY_SET_CONTRAST: + u8x8_cad_StartTransfer(u8x8); + u8x8_cad_SendCmd(u8x8, 0x081 ); + u8x8_cad_SendArg(u8x8, arg_int ); /* sh1122 has range from 0 to 255 */ + 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 *= 2; // only every 4th col can be addressed + x += u8x8->x_offset; + + y = (((u8x8_tile_t *)arg_ptr)->y_pos); + y *= 8; + + + c = ((u8x8_tile_t *)arg_ptr)->cnt; /* number of tiles */ + ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr; /* data ptr to the tiles */ + for( i = 0; i < 8; i++ ) + { + u8x8_cad_SendCmd(u8x8, 0x0b0 ); /* set row address */ + u8x8_cad_SendArg(u8x8, y); + u8x8_cad_SendCmd(u8x8, x & 15 ); /* lower 4 bit*/ + u8x8_cad_SendCmd(u8x8, 0x010 | (x >> 4) ); /* higher 3 bit */ + c = ((u8x8_tile_t *)arg_ptr)->cnt; /* number of tiles */ + + while ( c > 0 ) + { + u8x8_write_byte_to_16gr_device(u8x8, *ptr); + c--; + ptr++; + } + y++; + } + + + u8x8_cad_EndTransfer(u8x8); + break; + default: + return 0; + } + return 1; +} + +/*=========================================================*/ + +static const uint8_t u8x8_d_sh1122_256x64_flip0_seq[] = { + U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ + U8X8_C(0x0a1), /* remap */ + U8X8_C(0x0c8), /* remap */ + U8X8_C(0x060), + U8X8_END_TRANSFER(), /* disable chip */ + U8X8_END() /* end of sequence */ +}; + +static const uint8_t u8x8_d_sh1122_256x64_flip1_seq[] = { + U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ + U8X8_C(0x0a0), /* remap */ + U8X8_C(0x0c0), /* remap */ + U8X8_C(0x040), + U8X8_END_TRANSFER(), /* disable chip */ + U8X8_END() /* end of sequence */ +}; + +static const u8x8_display_info_t u8x8_sh1122_256x64_display_info = +{ + /* chip_enable_level = */ 0, + /* chip_disable_level = */ 1, + + /* post_chip_enable_wait_ns = */ 20, + /* pre_chip_disable_wait_ns = */ 10, + /* reset_pulse_width_ms = */ 10, /* sh1122: 10 us */ + /* post_reset_wait_ms = */ 20, /* */ + /* sda_setup_time_ns = */ 125, /* sh1122: cycle time is 250ns, so use 250/2 */ + /* sck_pulse_width_ns = */ 125, /* sh1122: cycle time is 250ns, so use 250/2 */ + /* sck_clock_hz = */ 40000000UL, /* 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, + /* data_setup_time_ns = */ 10, + /* write_pulse_width_ns = */ 150, /* sh1122: cycle time is 300ns, so use 300/2 = 150 */ + /* tile_width = */ 32, /* 256 pixel, so we require 32 bytes for this */ + /* tile_hight = */ 8, + /* default_x_offset = */ 0, /* this is the byte offset (there are two pixel per byte with 4 bit per pixel) */ + /* flipmode_x_offset = */ 0, + /* pixel_width = */ 256, + /* pixel_height = */ 64 +}; + + +static const uint8_t u8x8_d_sh1122_256x64_init_seq[] = { + + U8X8_DLY(1), + U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ + U8X8_DLY(1), + + U8X8_C(0xae), /* display off */ + U8X8_C(0x40), /* display start line */ + U8X8_C(0x0a0), /* remap */ + U8X8_C(0x0c0), /* remap */ + U8X8_CA(0x81, 0x80), /* set display contrast */ + U8X8_CA(0xa8, 0x3f), /* multiplex ratio 1/64 Duty (0x0F~0x3F) */ + U8X8_CA(0xad, 0x81), /* use buildin DC-DC with 0.6 * 500 kHz */ + + U8X8_CA(0xd5, 0x50), /* set display clock divide ratio (lower 4 bit)/oscillator frequency (upper 4 bit) */ + U8X8_CA(0xd3, 0x00), /* display offset, shift mapping ram counter */ + U8X8_CA(0xd9, 0x22), /* pre charge (lower 4 bit) and discharge(higher 4 bit) period */ + U8X8_CA(0xdb, 0x35), /* VCOM deselect level */ + U8X8_CA(0xdc, 0x35), /* Pre Charge output voltage */ + U8X8_C(0x030), /* discharge level */ + + U8X8_DLY(1), /* delay */ + + U8X8_END_TRANSFER(), /* disable chip */ + U8X8_END() /* end of sequence */ +}; + + +uint8_t u8x8_d_sh1122_256x64(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr) +{ + switch(msg) + { + case U8X8_MSG_DISPLAY_SETUP_MEMORY: + u8x8_d_helper_display_setup_memory(u8x8, &u8x8_sh1122_256x64_display_info); + break; + case U8X8_MSG_DISPLAY_INIT: + u8x8_d_helper_display_init(u8x8); + u8x8_cad_SendSequence(u8x8, u8x8_d_sh1122_256x64_init_seq); + break; + case U8X8_MSG_DISPLAY_SET_FLIP_MODE: + if ( arg_int == 0 ) + { + u8x8_cad_SendSequence(u8x8, u8x8_d_sh1122_256x64_flip0_seq); + u8x8->x_offset = u8x8->display_info->default_x_offset; + } + else + { + u8x8_cad_SendSequence(u8x8, u8x8_d_sh1122_256x64_flip1_seq); + u8x8->x_offset = u8x8->display_info->flipmode_x_offset; + } + break; + + default: + return u8x8_d_sh1122_common(u8x8, msg, arg_int, arg_ptr); + } + return 1; +} +