199 lines
6.6 KiB
C
199 lines
6.6 KiB
C
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/*
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ucg_dev_oled_160x128_samsung.c
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Specific code for the Samsung 160x128 OLED (LD50T6160 Controller)
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Universal uC Color Graphics Library
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Copyright (c) 2015, 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 "ucg.h"
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/*
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Samsung 1.8" OLED
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VCC_R (4) connected to 4.7uF
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VCC_R1 (41) connected to 4.7uF
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VCC connected to 18V
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VCC3 connected to 18V
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==> Internal regulator mit be enabled
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==> DC-DC must be switched off
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From the Samsung 1.8" OLED datasheet:
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PREC_WIDTH = 06h, (pre charge width?)
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PEAKDELAY = 01h,
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Frame Freq.(*1)) = 02h(90Hz)
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Red : PEAKWIDTH = 03h,
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Green : PEAKWIDTH = 05h,
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Blue : PEAKWIDTH = 03h
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Red : DOT CURRENT = 9Ah,
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Green : DOT CURRENT = 5Ch,
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Blue : DOT CURRENT = B1h
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*/
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static const ucg_pgm_uint8_t ucg_samsung_160x128_init_seq[] = {
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/* init sequence for the Samsung OLED with LD50T6160 controller */
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UCG_CFG_CD(0,1), /* DC=0 for command mode, DC=1 for data and args */
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UCG_RST(1),
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UCG_CS(1), /* disable chip */
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UCG_DLY_MS(1),
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UCG_RST(0),
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UCG_DLY_MS(1),
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UCG_RST(1),
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UCG_DLY_MS(150),
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UCG_CS(0), /* enable chip */
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UCG_C10(0x01), /* software reset */
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UCG_C11(0x02, 0x00), /* display on/off: display off */
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UCG_C11(0x03, 0x00), /* standby off, OSCA start */
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UCG_C11(0x04, 0x02), /* set frame rate: 0..7, 60Hz to 150Hz, default is 2=90Hz */
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UCG_C11(0x05, 0x00), /* write dir, bit 3: RGB/BGR */
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UCG_C11(0x06, 0x00), /* row scan dir (0=default) */
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UCG_C11(0x06, 0x00), /* row scan dir (0=default) */
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UCG_C10(0x07), /* set screen size */
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UCG_A2(0x00, 0x00), /* x min = 0 */
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UCG_A2(0x07, 0x0f), /* x max = 127 */
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UCG_A2(0x00, 0x00), /* y min = 0 */
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UCG_A2(0x09, 0x0f), /* y max = 159 */
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UCG_C11(0x08, 0x00), /* interface bus width: 6 bit */
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UCG_C11(0x09, 0x07), /* no data (RGB) masking (default) */
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UCG_C10(0x0a), /* write box (probably not req. during init */
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UCG_A2(0x00, 0x00), /* x min = 0 */
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UCG_A2(0x07, 0x0f), /* x max = 127 */
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UCG_A2(0x00, 0x00), /* y min = 0 */
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UCG_A2(0x09, 0x0f), /* y max = 159 */
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UCG_C10(0x0e), /* set some minimal dot current first */
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UCG_A2(0x00, 0x03), /* red */
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UCG_A2(0x00, 0x03), /* green */
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UCG_A2(0x00, 0x03), /* blue */
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UCG_C11(0x1b, 0x03), /* Pre-Charge Mode Select:Enable Pre-Charge and Peakboot for the Samsung OLED */
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UCG_C12(0x1c, 0x00, 0x06), /* Pre-Charge Width, Samsung OLED: 0x06, controller default is 0x08 */
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UCG_C10(0x1d), /* Peak Pulse Width Set */
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UCG_A2(0x00, 0x03), /* red */
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UCG_A2(0x00, 0x05), /* green */
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UCG_A2(0x00, 0x03), /* blue */
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UCG_C11(0x1e, 0x01), /* Peak Pulse Delay Set, Samsung OLED: 0x01, controller default is 0x05 */
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/*
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Row Scan Operation Set (cmd 0x1f)
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bits 0, 1: scan mode
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mode 00: alternate scan mode (Oliver: not sure if this is true, prob. this is seq. mode)
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mode 01: seq. scan mode (Oliver: could be mode 00)
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mode 10: simultaneous scan mode (Oliver: No idea what this is)
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Samsung OLED: probably mode 00
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bit 3:
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if set to 1, then all rows are connected to GND
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Samsung OLED: must be 0 for normal operation
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bit 4,5: row timing setting
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00: none
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01: pre charge
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10: pre charge + peak delay
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11: pre charge + peak delay + peak boot
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Samsung OLED: No idea, maybe 11 must be set here
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*/
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UCG_C11(0x1f, 0x30), /* Samsung OLED: pre charge + peak delay + peak boot */
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UCG_C11(0x2d, 0x00), /* Write data through system interface (bit 4 = 0) */
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/*
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ICON Display control
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bit 0/1 = 01: ALL ICON ON
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bit 0/1 = 10: normal display mode (depends on ICON data)
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*/
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UCG_C11(0x20, 0x01), /* ICON Display control */
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UCG_C11(0x21, 0x00), /* ICON Stand-by Setting, bit 0 = 0: no standby, start OSCB */
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UCG_C11(0x29, 0x00), /* DC-DC Control for ICON: bit 0&1 = 01: stop DC-DC, use VICON (Samsung OLED has external 18V) */
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UCG_C11(0x2a, 0x04), /* ICON Frame Frequency Set: 89Hz */
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UCG_C11(0x30, 0x13), /* Internal Regulator for Row Scan, value taken from Samsung OLED flow chart */
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/*
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Set full dot current
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Red : DOT CURRENT = 9Ah,
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Green : DOT CURRENT = 5Ch,
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Blue : DOT CURRENT = B1h
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*/
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UCG_DLY_MS(10),
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UCG_C10(0x0e), /* set dot current */
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UCG_A2(0x09, 0x0a), /* red */
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UCG_A2(0x05, 0x0c), /* green */
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UCG_A2(0x0b, 0x01), /* blue */
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UCG_DLY_MS(10),
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UCG_C11(0x02, 0x01), /* Display on */
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UCG_CS(1), /* disable chip */
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UCG_END(), /* end of sequence */
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};
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ucg_int_t ucg_dev_ld50t6160_18x160x128_samsung(ucg_t *ucg, ucg_int_t msg, void *data)
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{
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switch(msg)
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{
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case UCG_MSG_DEV_POWER_UP:
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/* 1. Call to the controller procedures to setup the com interface */
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if ( ucg_dev_ic_ld50t6160_18(ucg, msg, data) == 0 )
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return 0;
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/* 2. Send specific init sequence for this display module */
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ucg_com_SendCmdSeq(ucg, ucg_samsung_160x128_init_seq);
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return 1;
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case UCG_MSG_DEV_POWER_DOWN:
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/* let do power down by the controller procedures */
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return ucg_dev_ic_ld50t6160_18(ucg, msg, data);
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case UCG_MSG_GET_DIMENSION:
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((ucg_wh_t *)data)->w = 128;
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((ucg_wh_t *)data)->h = 160;
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return 1;
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}
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/* all other messages are handled by the controller procedures */
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return ucg_dev_ic_ld50t6160_18(ucg, msg, data);
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}
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