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206 lines
7.3 KiB
206 lines
7.3 KiB
/*
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u8x8_d_gp1247ai.c
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252x64
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https://github.com/olikraus/u8g2/issues/1907
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https://github.com/olikraus/u8g2/pull/1892
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Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/)
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Copyright (c) 2022, 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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#define SWAP8(a) ((((a)&0x80) >> 7) | (((a)&0x40) >> 5) | (((a)&0x20) >> 3) | (((a)&0x10) >> 1) | (((a)&0x08) << 1) | (((a)&0x04) << 3) | (((a)&0x02) << 5) | (((a)&0x01) << 7))
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/* ========== GP1247AI ========== */
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static const u8x8_display_info_t u8x8_gp1247ai_display_info = {
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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 = */ 240, /* tCS-CLK */
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/* pre_chip_disable_wait_ns = */ 120, /* tCLK-CS */
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/* reset_pulse_width_ms = */ 1, /* Trw */
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/* post_reset_wait_ms = */ 1, /* Trth */
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/* sda_setup_time_ns = */ 60, /* tsu */
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/* sck_pulse_width_ns = */ 120, /* tcyc/2 */
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/* sck_clock_hz = */ 4000000UL, /* MAX 4.16 MHz */
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/* spi_mode = */ 3, /* active low, falling edge, MSBFIRST */
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/* i2c_bus_clock_100kHz = */ 4, /* */
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/* data_setup_time_ns = */ 60, /* tsu */
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/* write_pulse_width_ns = */ 120, /* tcyc/2 */
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/* tile_width = */ 32, /* 32*8=256 memory size */
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/* tile_height = */ 8, /* 8*8=64 memory size */
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/* default_x_offset = */ 0, /* */
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/* flipmode_x_offset = */ 0, /* */
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/* pixel_width = */ 253, /* display size */
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/* pixel_height = */ 63 /* display size */
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};
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static const uint8_t u8x8_d_gp1247ai_init_seq[] = {
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U8X8_START_TRANSFER(),
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U8X8_C(SWAP8(0x0AA)), /* Software reset */
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U8X8_END_TRANSFER(),
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U8X8_DLY(1), /* Wait for reset */
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U8X8_START_TRANSFER(),
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U8X8_CA(SWAP8(0x078), SWAP8(0x008)), /* Oscillation Setting */
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U8X8_END_TRANSFER(),
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U8X8_START_TRANSFER(),
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U8X8_CAA(SWAP8(0x0CC), SWAP8(0x005), SWAP8(0x000)), /* VFD Mode Setting */
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U8X8_END_TRANSFER(),
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U8X8_START_TRANSFER(),
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U8X8_CAAA(SWAP8(0x0E0), SWAP8(0x0FC), SWAP8(0x03E), SWAP8(0x000)), /* Display Area Setting */
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U8X8_A4(SWAP8(0x020), SWAP8(0x080), SWAP8(0x080), SWAP8(0x080)), /* Display Area Setting */
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U8X8_END_TRANSFER(),
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U8X8_START_TRANSFER(),
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U8X8_CAAAA(SWAP8(0x0B1), SWAP8(0x020), SWAP8(0x03F), SWAP8(0x000), SWAP8(0x001)), /* Internal Speed Setting */
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U8X8_END_TRANSFER(),
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U8X8_START_TRANSFER(),
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U8X8_CAA(SWAP8(0x0A0), SWAP8(0x000), SWAP8(0x028)), /* Dimming level Setting (1024 level, 0x3FF max) */
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U8X8_END_TRANSFER(),
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U8X8_START_TRANSFER(),
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U8X8_C(SWAP8(0x055)), /* Memory Map Clear */
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U8X8_END_TRANSFER(),
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U8X8_DLY(15), /* Wait for memory clear */
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U8X8_START_TRANSFER(),
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U8X8_CAA(SWAP8(0x0C0), SWAP8(0x000), SWAP8(0x000)), /* DW1 position setting */
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U8X8_END_TRANSFER(),
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U8X8_START_TRANSFER(),
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U8X8_CAA(SWAP8(0x0D0), SWAP8(0x000), SWAP8(0x040)), /* DW2 position setting */
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U8X8_END_TRANSFER(),
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U8X8_START_TRANSFER(),
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U8X8_CA(SWAP8(0x080), SWAP8(0x080)), /* Display Mode Setting */
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U8X8_END_TRANSFER(),
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U8X8_START_TRANSFER(),
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U8X8_C(SWAP8(0x061)), /* Standby Mode */
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U8X8_END_TRANSFER(),
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U8X8_END() /* end of sequence */
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};
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static const uint8_t u8x8_d_gp1247ai_standby_seq[] = {
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U8X8_START_TRANSFER(),
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U8X8_C(SWAP8(0x061)), /* Standby */
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U8X8_END_TRANSFER(),
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U8X8_END() /* end of sequence */
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};
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static const uint8_t u8x8_d_gp1247ai_wakeup_seq[] = {
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U8X8_START_TRANSFER(),
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U8X8_C(SWAP8(0x06D)), /* Wake up */
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U8X8_END_TRANSFER(),
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U8X8_DLY(1), /* Wait for OSC stabilize */
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U8X8_START_TRANSFER(),
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U8X8_CA(SWAP8(0x080), SWAP8(0x080)), /* After entering standby mode, the SC bit will be automatically cleared */
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U8X8_END_TRANSFER(),
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U8X8_END() /* end of sequence */
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};
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uint8_t u8x8_d_gp1247ai_common(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
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{
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uint8_t *ptr;
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uint8_t x, y;
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uint16_t tx_cnt;
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uint8_t swapped_byte;
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switch (msg)
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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_gp1247ai_wakeup_seq);
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else
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u8x8_cad_SendSequence(u8x8, u8x8_d_gp1247ai_standby_seq);
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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, SWAP8(0x0A0));
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u8x8_cad_SendArg(u8x8, SWAP8((arg_int * 4) >> 8)); /* Dimming level */
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u8x8_cad_SendArg(u8x8, SWAP8((arg_int * 4) & 0xFF)); /* Dimming level */
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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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x = ((u8x8_tile_t *)arg_ptr)->x_pos * 8;
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y = ((u8x8_tile_t *)arg_ptr)->y_pos * 8;
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u8x8_cad_StartTransfer(u8x8);
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u8x8_cad_SendCmd(u8x8, SWAP8(0x0F0));
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u8x8_cad_SendArg(u8x8, SWAP8(x));
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u8x8_cad_SendArg(u8x8, SWAP8(y));
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u8x8_cad_SendArg(u8x8, SWAP8(0x007)); /* return every 8 pixels */
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do
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{
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ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr;
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tx_cnt = ((u8x8_tile_t *)arg_ptr)->cnt * 8;
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while (tx_cnt > 0)
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{
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swapped_byte = SWAP8(*ptr);
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u8x8_cad_SendData(u8x8, 1, &swapped_byte);
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ptr += 1;
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tx_cnt -= 1;
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}
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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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uint8_t u8x8_d_gp1247ai_253x63(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
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{
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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_gp1247ai_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_gp1247ai_init_seq);
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break;
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default:
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return u8x8_d_gp1247ai_common(u8x8, msg, arg_int, arg_ptr);
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}
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return 1;
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}
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