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240 lines
8.0 KiB
240 lines
8.0 KiB
/* |
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u8x8_d_uc1604.c |
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Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/) |
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Copyright (c) 2016, 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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*/ |
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#include "u8x8.h" |
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static const uint8_t u8x8_d_uc1604_powersave0_seq[] = { |
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ |
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U8X8_DLY(20), |
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U8X8_C(0x0af), /* display on */ |
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U8X8_DLY(20), /* during setup, it seems that the startup is more reliable when sending this cmd twice */ |
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U8X8_C(0x0af), /* display on */ |
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U8X8_DLY(50), /* startup takes some time */ |
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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_uc1604_powersave1_seq[] = { |
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ |
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U8X8_C(0x0ae), /* display off, enter sleep mode */ |
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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_uc1604_flip0_seq[] = { |
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ |
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U8X8_C(0x0c4), /* LCD Mapping */ |
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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_uc1604_flip1_seq[] = { |
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ |
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U8X8_C(0x0c2), /* LCD Mapping */ |
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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_uc1604_common(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr) |
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{ |
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uint8_t x, y, 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_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; |
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u8x8_cad_SendCmd(u8x8, 0x000 | ((x&15))); |
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u8x8_cad_SendCmd(u8x8, 0x010 | (x>>4) ); |
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y = ((u8x8_tile_t *)arg_ptr)->y_pos; |
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y += u8x8->x_offset; |
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u8x8_cad_SendCmd(u8x8, 0x0b0 | (y&15)); |
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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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do |
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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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/* handled in the calling procedure |
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case U8X8_MSG_DISPLAY_SETUP_MEMORY: |
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u8x8_d_helper_display_setup_memory(u8x8, &u8x8_uc1604_128x64_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_uc1701_dogs102_init_seq); |
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break; |
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*/ |
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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_uc1604_powersave0_seq); |
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else |
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u8x8_cad_SendSequence(u8x8, u8x8_d_uc1604_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_uc1604_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_uc1604_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 ); /* uc1604 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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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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/*================================================*/ |
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/* JLX19264 */ |
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/* |
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timings from uc1608 |
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UC1604 has two chip select inputs (CS0 and CS1). |
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CS0 is low active, CS1 is high active. It will depend on the display |
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module whether the display has a is low or high active chip select. |
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*/ |
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static const u8x8_display_info_t u8x8_uc1604_192x64_display_info = |
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{ |
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/* chip_enable_level = */ 0, /* JLX19264G uses CS0, which is low active CS*/ |
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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 = */ 1, |
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/* post_reset_wait_ms = */ 10, |
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/* sda_setup_time_ns = */ 30, |
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/* sck_pulse_width_ns = */ 65, /* half of cycle time */ |
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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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/* spi_mode = */ 0, /* active high, rising edge */ |
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/* i2c_bus_clock_100kHz = */ 4, |
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/* data_setup_time_ns = */ 30, |
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/* write_pulse_width_ns = */ 35, |
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/* tile_width = */ 24, /* width of 24*8=192 pixel */ |
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/* tile_hight = */ 8, |
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/* default_x_offset = */ 0, /* reused as y page offset */ |
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/* flipmode_x_offset = */ 0, /* reused as y page offset */ |
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/* pixel_width = */ 192, |
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/* pixel_height = */ 64 |
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}; |
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static const uint8_t u8x8_d_uc1604_jlx19264_init_seq[] = { |
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ |
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U8X8_C(0x0e2), /* soft reset */ |
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U8X8_DLY(200), |
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U8X8_DLY(200), |
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U8X8_C(0x02f), /* power on, Bit 2 PC2=1 (internal charge pump), Bits 0/1: cap of panel */ |
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U8X8_DLY(200), |
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U8X8_DLY(200), |
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U8X8_CA(0x081, 0x052), /* set contrast, JLX19264G suggestion: 0x045 */ |
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U8X8_C(0x0eb), /* LCD bias Bits 0/1: 00=6 01=7, 10=8, 11=9 */ |
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//U8X8_C(0x023), /* Bit 0/1: Temp compenstation, Bit 2: Multiplex Rate 0=96, 1=128 */ |
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//U8X8_C(0x027), /* Bit 0/1: Temp compenstation, Bit 2: Multiplex Rate 0=96, 1=128 */ |
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U8X8_C(0x0c4), /* Map control, Bit 2: MY=1, Bit 1: MX=0 */ |
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U8X8_C(0x0a0), /* 0xa0: 76Hz FPS, controller default: 0x0a1: 95Hz FPS */ |
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U8X8_C(0x040), /* set scroll line to 0 */ |
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U8X8_C(0x089), /* RAM access control (controller default: 0x089)*/ |
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U8X8_C(0x000), /* column low nibble */ |
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U8X8_C(0x010), /* column high nibble */ |
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U8X8_C(0x0b0), /* page adr */ |
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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_uc1604_jlx19264(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr) |
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{ |
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/* call common procedure first and handle messages there */ |
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if ( u8x8_d_uc1604_common(u8x8, msg, arg_int, arg_ptr) == 0 ) |
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{ |
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/* msg not handled, then try here */ |
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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_uc1604_192x64_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_uc1604_jlx19264_init_seq); |
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break; |
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default: |
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return 0; /* msg unknown */ |
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} |
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} |
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return 1; |
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} |
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