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- /*
- u8x8_d_ssd1309.c
- Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/)
- Copyright (c) 2017, 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_ssd1309_powersave0_seq[] = {
- U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
- U8X8_C(0x0af), /* display on */
- U8X8_END_TRANSFER(), /* disable chip */
- U8X8_END() /* end of sequence */
- };
- static const uint8_t u8x8_d_ssd1309_powersave1_seq[] = {
- U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
- U8X8_C(0x0ae), /* display off */
- U8X8_END_TRANSFER(), /* disable chip */
- U8X8_END() /* end of sequence */
- };
- static const uint8_t u8x8_d_ssd1309_128x64_flip0_seq[] = {
- U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
- U8X8_C(0x0a1), /* segment remap a0/a1*/
- U8X8_C(0x0c8), /* c0: scan dir normal, c8: reverse */
- U8X8_END_TRANSFER(), /* disable chip */
- U8X8_END() /* end of sequence */
- };
- static const uint8_t u8x8_d_ssd1309_128x64_flip1_seq[] = {
- U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
- U8X8_C(0x0a0), /* segment remap a0/a1*/
- U8X8_C(0x0c0), /* c0: scan dir normal, c8: reverse */
- U8X8_END_TRANSFER(), /* disable chip */
- U8X8_END() /* end of sequence */
- };
- static uint8_t u8x8_d_ssd1309_generic(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
- {
- uint8_t x, 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;
- x += u8x8->x_offset;
-
- u8x8_cad_SendCmd(u8x8, 0x010 | (x>>4) );
- u8x8_cad_SendCmd(u8x8, 0x000 | ((x&15)));
- u8x8_cad_SendCmd(u8x8, 0x0b0 | (((u8x8_tile_t *)arg_ptr)->y_pos) );
-
- do
- {
- c = ((u8x8_tile_t *)arg_ptr)->cnt;
- ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr;
- u8x8_cad_SendData(u8x8, c*8, ptr); /* note: SendData can not handle more than 255 bytes */
- /*
- do
- {
- u8x8_cad_SendData(u8x8, 8, ptr);
- ptr += 8;
- c--;
- } while( c > 0 );
- */
- arg_int--;
- } while( arg_int > 0 );
-
- u8x8_cad_EndTransfer(u8x8);
- break;
- case U8X8_MSG_DISPLAY_SET_POWER_SAVE:
- if ( arg_int == 0 )
- u8x8_cad_SendSequence(u8x8, u8x8_d_ssd1309_powersave0_seq);
- else
- u8x8_cad_SendSequence(u8x8, u8x8_d_ssd1309_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 ); /* ssd1309 has range from 0 to 255 */
- u8x8_cad_EndTransfer(u8x8);
- break;
- #endif
- default:
- return 0;
- }
- return 1;
- }
- /*=================================================*/
- /* offset 2 version */
- /* timing from SSD1306 */
- static const u8x8_display_info_t u8x8_ssd1309_128x64_noname2_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 = */ 100, /* SSD1306: 3 us */
- /* post_reset_wait_ms = */ 100, /* far east OLEDs need much longer setup time */
- /* sda_setup_time_ns = */ 50, /* SSD1306: 15ns, but cycle time is 100ns, so use 100/2 */
- /* sck_pulse_width_ns = */ 50, /* SSD1306: 20ns, but cycle time is 100ns, so use 100/2, AVR: below 70: 8 MHz, >= 70 --> 4MHz clock */
- /* sck_clock_hz = */ 4000000UL, /* 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 = */ 40,
- /* write_pulse_width_ns = */ 150, /* SSD1306: cycle time is 300ns, so use 300/2 = 150 */
- /* tile_width = */ 16,
- /* tile_hight = */ 8,
- /* default_x_offset = */ 2,
- /* flipmode_x_offset = */ 2,
- /* pixel_width = */ 128,
- /* pixel_height = */ 64
- };
- static const uint8_t u8x8_d_ssd1309_128x64_noname_init_seq[] = {
-
- U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
-
-
- U8X8_C(0x0ae), /* display off */
- U8X8_CA(0x0d5, 0x0a0), /* clock divide ratio (0x00=1) and oscillator frequency (0x8) */
- //U8X8_CA(0x0a8, 0x03f), /* multiplex ratio */
- U8X8_C(0x040), /* set display start line to 0 */
- U8X8_CA(0x020, 0x002), /* horizontal addressing mode */
-
- U8X8_C(0x0a1), /* segment remap a0/a1*/
- U8X8_C(0x0c8), /* c0: scan dir normal, c8: reverse */
- // Flipmode
- // U8X8_C(0x0a0), /* segment remap a0/a1*/
- // U8X8_C(0x0c0), /* c0: scan dir normal, c8: reverse */
-
- U8X8_CA(0x0da, 0x012), /* com pin HW config, sequential com pin config (bit 4), disable left/right remap (bit 5) */
- U8X8_CA(0x081, 0x06f), /* [2] set contrast control */
- U8X8_CA(0x0d9, 0x0d3), /* [2] pre-charge period 0x022/f1*/
- U8X8_CA(0x0db, 0x020), /* vcomh deselect level */
- // if vcomh is 0, then this will give the biggest range for contrast control issue #98
- // restored the old values for the noname constructor, because vcomh=0 will not work for all OLEDs, #116
-
- U8X8_C(0x02e), /* Deactivate scroll */
- U8X8_C(0x0a4), /* output ram to display */
- U8X8_C(0x0a6), /* none inverted normal display mode */
-
- //U8X8_C(0x0af), /* display on */
-
- U8X8_END_TRANSFER(), /* disable chip */
- U8X8_END() /* end of sequence */
- };
- uint8_t u8x8_d_ssd1309_128x64_noname2(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
- {
-
- if ( u8x8_d_ssd1309_generic(u8x8, msg, arg_int, arg_ptr) != 0 )
- return 1;
-
- switch(msg)
- {
- case U8X8_MSG_DISPLAY_SET_FLIP_MODE:
- if ( arg_int == 0 )
- {
- u8x8_cad_SendSequence(u8x8, u8x8_d_ssd1309_128x64_flip0_seq);
- u8x8->x_offset = u8x8->display_info->default_x_offset;
- }
- else
- {
- u8x8_cad_SendSequence(u8x8, u8x8_d_ssd1309_128x64_flip1_seq);
- u8x8->x_offset = u8x8->display_info->flipmode_x_offset;
- }
- break;
- case U8X8_MSG_DISPLAY_INIT:
- u8x8_d_helper_display_init(u8x8);
- u8x8_cad_SendSequence(u8x8, u8x8_d_ssd1309_128x64_noname_init_seq);
- break;
- case U8X8_MSG_DISPLAY_SETUP_MEMORY:
- u8x8_d_helper_display_setup_memory(u8x8, &u8x8_ssd1309_128x64_noname2_display_info);
- break;
- default:
- return 0;
- }
- return 1;
- }
- /*=================================================*/
- /* offset 0 version */
- /* timing from SSD1306 */
- static const u8x8_display_info_t u8x8_ssd1309_128x64_noname0_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 = */ 100, /* SSD1306: 3 us */
- /* post_reset_wait_ms = */ 100, /* far east OLEDs need much longer setup time */
- /* sda_setup_time_ns = */ 50, /* SSD1306: 15ns, but cycle time is 100ns, so use 100/2 */
- /* sck_pulse_width_ns = */ 50, /* SSD1306: 20ns, but cycle time is 100ns, so use 100/2, AVR: below 70: 8 MHz, >= 70 --> 4MHz clock */
- /* sck_clock_hz = */ 4000000UL, /* 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 = */ 40,
- /* write_pulse_width_ns = */ 150, /* SSD1306: cycle time is 300ns, so use 300/2 = 150 */
- /* tile_width = */ 16,
- /* tile_hight = */ 8,
- /* default_x_offset = */ 0,
- /* flipmode_x_offset = */ 0,
- /* pixel_width = */ 128,
- /* pixel_height = */ 64
- };
- uint8_t u8x8_d_ssd1309_128x64_noname0(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
- {
-
- if ( u8x8_d_ssd1309_generic(u8x8, msg, arg_int, arg_ptr) != 0 )
- return 1;
-
- switch(msg)
- {
- case U8X8_MSG_DISPLAY_SET_FLIP_MODE:
- if ( arg_int == 0 )
- {
- u8x8_cad_SendSequence(u8x8, u8x8_d_ssd1309_128x64_flip0_seq);
- u8x8->x_offset = u8x8->display_info->default_x_offset;
- }
- else
- {
- u8x8_cad_SendSequence(u8x8, u8x8_d_ssd1309_128x64_flip1_seq);
- u8x8->x_offset = u8x8->display_info->flipmode_x_offset;
- }
- break;
- case U8X8_MSG_DISPLAY_INIT:
- u8x8_d_helper_display_init(u8x8);
- u8x8_cad_SendSequence(u8x8, u8x8_d_ssd1309_128x64_noname_init_seq);
- break;
- case U8X8_MSG_DISPLAY_SETUP_MEMORY:
- u8x8_d_helper_display_setup_memory(u8x8, &u8x8_ssd1309_128x64_noname0_display_info);
- break;
- default:
- return 0;
- }
- return 1;
- }
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