diff -r 000000000000 -r 88d965579617 components/u8g2/csrc/u8x8_d_uc1638.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/components/u8g2/csrc/u8x8_d_uc1638.c Tue Oct 08 12:00:31 2019 +0200 @@ -0,0 +1,223 @@ +/* + + u8x8_d_uc1638.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. + + + +*/ +#include "u8x8.h" + + + + + +static const uint8_t u8x8_d_uc1638_powersave0_seq[] = { + U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ + U8X8_CA(0x0c9, 0x0ad), /* display on */ /* UC1638 B/W mode */ + U8X8_END_TRANSFER(), /* disable chip */ + U8X8_END() /* end of sequence */ +}; + +static const uint8_t u8x8_d_uc1638_powersave1_seq[] = { + U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ + U8X8_CA(0x0c9, 0x0ac), /* display off */ /* UC1638 */ + U8X8_END_TRANSFER(), /* disable chip */ + U8X8_END() /* end of sequence */ +}; + +static const uint8_t u8x8_d_uc1638_flip0_seq[] = { + U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ + U8X8_C(0x0c4), /* LCD Mapping */ /* UC1638*/ + U8X8_END_TRANSFER(), /* disable chip */ + U8X8_END() /* end of sequence */ +}; + +static const uint8_t u8x8_d_uc1638_flip1_seq[] = { + U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ + U8X8_C(0x0c2), /* LCD Mapping */ /* UC1638*/ + U8X8_END_TRANSFER(), /* disable chip */ + U8X8_END() /* end of sequence */ +}; + + +uint8_t u8x8_d_uc1638_common(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr) +{ + uint8_t x, y, c; + uint8_t *ptr; + switch(msg) + { + case U8X8_MSG_DISPLAY_DRAW_TILE: + u8x8_cad_StartTransfer(u8x8); + + x = ((u8x8_tile_t *)arg_ptr)->x_pos; + x *= 8; + + u8x8_cad_SendCmd(u8x8, 0x004); /* UC1638 */ + u8x8_cad_SendArg(u8x8, x); + + y = ((u8x8_tile_t *)arg_ptr)->y_pos; + y += u8x8->x_offset; + y *= 2; /* for B/W mode, use only every second page */ + + u8x8_cad_SendCmd(u8x8, 0x060 | (y&15)); /* UC1638 */ + u8x8_cad_SendCmd(u8x8, 0x070 | (y>>4)); /* UC1638 */ + + + u8x8_cad_SendCmd(u8x8, 0x001); /* UC1638 */ + c = ((u8x8_tile_t *)arg_ptr)->cnt; + c *= 8; + ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr; + do + { + u8x8_cad_SendData(u8x8, c, ptr); /* note: SendData can not handle more than 255 bytes */ + arg_int--; + } while( arg_int > 0 ); + + u8x8_cad_EndTransfer(u8x8); + break; + /* handled in the calling procedure + case U8X8_MSG_DISPLAY_SETUP_MEMORY: + u8x8_d_helper_display_setup_memory(u8x8, &u8x8_uc1638_128x64_display_info); + break; + case U8X8_MSG_DISPLAY_INIT: + u8x8_d_helper_display_init(u8x8); + u8x8_cad_SendSequence(u8x8, u8x8_d_uc1701_dogs102_init_seq); + break; + */ + case U8X8_MSG_DISPLAY_SET_POWER_SAVE: + if ( arg_int == 0 ) + u8x8_cad_SendSequence(u8x8, u8x8_d_uc1638_powersave0_seq); + else + u8x8_cad_SendSequence(u8x8, u8x8_d_uc1638_powersave1_seq); + break; + case U8X8_MSG_DISPLAY_SET_FLIP_MODE: + if ( arg_int == 0 ) + { + u8x8_cad_SendSequence(u8x8, u8x8_d_uc1638_flip0_seq); + u8x8->x_offset = u8x8->display_info->default_x_offset; + } + else + { + u8x8_cad_SendSequence(u8x8, u8x8_d_uc1638_flip1_seq); + u8x8->x_offset = u8x8->display_info->flipmode_x_offset; + } + 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 ); /* uc1638 has range from 0 to 255 */ + u8x8_cad_EndTransfer(u8x8); + break; +#endif + default: + return 0; + } + return 1; +} + + +/*================================================*/ +/* uc1638 160x128 */ + +/* values taken from uc1608 */ +static const u8x8_display_info_t u8x8_uc1638_160x128_display_info = +{ + /* chip_enable_level = */ 1, /* uc1638 has high active CS */ + /* chip_disable_level = */ 0, + + /* post_chip_enable_wait_ns = */ 10, /* */ + /* pre_chip_disable_wait_ns = */ 20, /* */ + /* reset_pulse_width_ms = */ 5, /* */ + /* post_reset_wait_ms = */ 150, + /* sda_setup_time_ns = */ 30, /* */ + /* sck_pulse_width_ns = */ 65, /* */ + /* sck_clock_hz = */ 1000000UL, /* since Arduino 1.6.0, the SPI bus speed in Hz. Should be 1000000000/sck_pulse_width_ns */ + /* spi_mode = */ 3, /* active high, rising edge */ + /* i2c_bus_clock_100kHz = */ 4, + /* data_setup_time_ns = */ 30, /* */ + /* write_pulse_width_ns = */ 35, /* */ + /* tile_width = */ 20, /* width of 20*8=160 pixel */ + /* tile_hight = */ 16, + /* default_x_offset = */ 0, /* */ + /* flipmode_x_offset = */ 0, /* */ + /* pixel_width = */ 160, + /* pixel_height = */ 128 +}; + +static const uint8_t u8x8_d_uc1638_160x128_init_seq[] = { + + U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ + + U8X8_CA(0x0e1, 0x0e2), /* software reset */ /* UC1638*/ + U8X8_DLY(5), /* 5 ms */ + + U8X8_C(0x024), /* set temp comp*/ + U8X8_C(0x0c0), /* mirror y and mirror x */ /* WAS: c2 */ + U8X8_C(0x0a2), /* line rate */ + U8X8_C(0x0d6), /* gray scale 2 */ + U8X8_C(0x0eb), /* set bias*/ + U8X8_C(0x095), /* set 1 bit per pixel, pattern 0*/ + U8X8_C(0x089), /* set auto increment, low bits are AC2 AC1 AC0 */ /* WAS 89 */ + + + U8X8_CA(0x081, 0x0a0), /* set contrast */ /* UC1638*/ + + + U8X8_END_TRANSFER(), /* disable chip */ + U8X8_END() /* end of sequence */ +}; + +uint8_t u8x8_d_uc1638_160x128(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr) +{ + /* call common procedure first and handle messages there */ + if ( u8x8_d_uc1638_common(u8x8, msg, arg_int, arg_ptr) == 0 ) + { + /* msg not handled, then try here */ + switch(msg) + { + case U8X8_MSG_DISPLAY_SETUP_MEMORY: + u8x8_d_helper_display_setup_memory(u8x8, &u8x8_uc1638_160x128_display_info); + break; + case U8X8_MSG_DISPLAY_INIT: + u8x8_d_helper_display_init(u8x8); + u8x8_cad_SendSequence(u8x8, u8x8_d_uc1638_160x128_init_seq); + break; + default: + return 0; /* msg unknown */ + } + } + return 1; +} + + +/*================================================*/