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207 lines
7.8 KiB
207 lines
7.8 KiB
/* |
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u8x8_d_ld7032_60x32.c |
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Note: Flip Mode is NOT supported |
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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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/* testboard U8GLIB_LD7032_60x32 u8g(11, 12, 9, 10, 8); // SPI Com: SCK = 11, MOSI = 12, CS = 9, A0 = 10, RST = 8 (SW SPI Nano Board) */ |
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/* http://www.seeedstudio.com/document/pdf/0.5OLED%20SPEC.pdf */ |
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static const uint8_t u8x8_d_ld7032_60x32_init_seq[] = { |
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ |
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//U8X8_CA(0x002, 0x001), /* Dot Matrix Display ON */ |
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U8X8_CA(0x014, 0x000), /* Stand-by OFF */ |
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U8X8_CA(0x01a, 0x004), /* Dot Matrix Frame Rate, special value for this OLED from manual*/ |
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U8X8_CA(0x01d, 0x000), /* Graphics Memory Writing Direction: reset default (right down, horizontal) */ |
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U8X8_CA(0x009, 0x000), /* Display Direction: reset default (x,y: min --> max) */ |
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U8X8_CAA(0x030, 0x000, 0x03b), /* Display Size X, Column Start - End*/ |
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U8X8_CAA(0x032, 0x000, 0x01f), /* Display Size Y, Row Start - End*/ |
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U8X8_CA(0x010, 0x000), /* Peak Pulse Width Set: 0 SCLK */ |
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U8X8_CA(0x016, 0x000), /* Peak Pulse Delay Set: 0 SCLK */ |
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U8X8_CA(0x012, 0x040), /* Dot Matrix Current Level Set: 0x050 * 1 uA = 80 uA */ |
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U8X8_CA(0x018, 0x003), /* Pre-Charge Pulse Width: 3 SCLK */ |
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U8X8_CA(0x044, 0x002), /* Pre-Charge Mode: Every Time */ |
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U8X8_CA(0x048, 0x003), /* Row overlap timing: Pre-Charge + Peak Delay + Peak boot Timing */ |
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U8X8_CA(0x03f, 0x011), /* VCC_R_SEL: ??? */ |
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U8X8_CA(0x03d, 0x000), /* VSS selection: 2.8V */ |
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//U8X8_CA(0x002, 0x001), /* Dot Matrix Display ON */ |
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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_ld7032_60x32_powersave0_seq[] = { |
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ |
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U8X8_CA(0x002, 0x001), /* Dot Matrix Display ON */ |
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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_ld7032_60x32_powersave1_seq[] = { |
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ |
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U8X8_CA(0x002, 0x000), /* Dot Matrix Display ON */ |
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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_ld7032_60x32_flip0_seq[] = { |
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ |
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U8X8_CA(0x009, 0x000), /* Display Direction: reset default (x,y: min --> max) */ |
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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_ld7032_60x32_flip1_seq[] = { |
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U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */ |
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//U8X8_CA(0x009, 0x002), /* Display Direction: reset default (x,y: min --> max) */ |
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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 uint8_t u8x8_d_ld7032_generic(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr) |
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{ |
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uint8_t x, c; |
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uint8_t *ptr; |
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switch(msg) |
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{ |
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/* handled by the calling function |
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case U8X8_MSG_DISPLAY_SETUP_MEMORY: |
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u8x8_d_helper_display_setup_memory(u8x8, &u8x8_ld7032_60x32_display_info); |
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break; |
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*/ |
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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_ld7032_60x32_init_seq); |
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break; |
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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_ld7032_60x32_powersave0_seq); |
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else |
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u8x8_cad_SendSequence(u8x8, u8x8_d_ld7032_60x32_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_ld7032_60x32_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_ld7032_60x32_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, 0x012 ); |
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if ( arg_int > 0x07f ) /* default is 0x040, limit to 0x07f to be on the safe side (hopefully) */ |
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arg_int= 0x07f; |
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u8x8_cad_SendArg(u8x8, arg_int ); /* values from 0x00 to 0x0ff are allowed, bit will all values be safe??? */ |
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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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u8x8_cad_StartTransfer(u8x8); |
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x = ((u8x8_tile_t *)arg_ptr)->x_pos; |
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x += u8x8->x_offset/8; |
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u8x8_cad_SendCmd(u8x8, 0x034 ); |
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u8x8_cad_SendArg(u8x8, x ); |
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u8x8_cad_SendCmd(u8x8, 0x035 ); |
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u8x8_cad_SendArg(u8x8, 0x007 ); |
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u8x8_cad_SendCmd(u8x8, 0x036 ); |
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u8x8_cad_SendArg(u8x8, (((u8x8_tile_t *)arg_ptr)->y_pos)*8 ); |
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u8x8_cad_SendCmd(u8x8, 0x037 ); |
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u8x8_cad_SendArg(u8x8, 0x01f ); |
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u8x8_cad_SendCmd(u8x8, 0x008 ); |
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do |
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{ |
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c = ((u8x8_tile_t *)arg_ptr)->cnt; |
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ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr; |
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u8x8_cad_SendData(u8x8, c*8, 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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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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static const u8x8_display_info_t u8x8_ld7032_60x32_display_info = |
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{ |
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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 = */ 15, |
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/* pre_chip_disable_wait_ns = */ 20, |
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/* reset_pulse_width_ms = */ 100, |
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/* post_reset_wait_ms = */ 100, |
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/* sda_setup_time_ns = */ 30, /* 20ns, but cycle time is 60ns, so use 60/2 */ |
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/* sck_pulse_width_ns = */ 30, /* 20ns, but cycle time is 60ns, so use 60/2 */ |
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/* sck_clock_hz = */ 4000000UL, /* 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 = */ 20, |
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/* write_pulse_width_ns = */ 40, |
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/* tile_width = */ 8, |
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/* tile_hight = */ 4, |
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/* default_x_offset = */ 0, |
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/* flipmode_x_offset = */ 0, |
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/* pixel_width = */ 60, |
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/* pixel_height = */ 32 |
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}; |
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uint8_t u8x8_d_ld7032_60x32(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr) |
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{ |
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if ( msg == U8X8_MSG_DISPLAY_SETUP_MEMORY ) |
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{ |
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u8x8_d_helper_display_setup_memory(u8x8, &u8x8_ld7032_60x32_display_info); |
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return 1; |
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} |
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return u8x8_d_ld7032_generic(u8x8, msg, arg_int, arg_ptr); |
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} |
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