mikelemo
commented
3 years ago UC1610 edited Template:
/*
u8x8_d_uc1610.c
Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/)
Copyright (c) 2016, 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.
cad001
*/
#include "u8x8.h"
static const uint8_t u8x8_d_uc1609_erm19264_init_seq[] = {
U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
U8X8_CA(0x0f1, 0x067), /* set COM end (display height-1) */
U8X8_C(0x0c0), /* SEG & COM normal */
U8X8_C(0x040), /* set scroll line lsb to zero */
U8X8_C(0x050), /* set scroll line msb to zero */
U8X8_C(0x02b), /* set panelloading */
U8X8_C(0x0eb), /* set bias 1/2 */
U8X8_CA(0x081, 0x05f), /* set contrast */
/*
AC0: 0: stop at boundary, 1: increment by one
AC1: 0: first column then page, 1: first page, then column increment
AC2: 0: increment page adr, 1: decrement page adr.
*/
U8X8_C(0x08b), /* set auto increment, low bits are AC2 AC1 AC0 */
/*
LC0: 0
MX: Mirror X
MY: Mirror Y
*/
U8X8_C(0x0c0), /* low bits are MY, MX, LC0 */
U8X8_C(0x0f8), // window mode off
U8X8_C(0x010), // col high
U8X8_C(0x000), // col low
U8X8_C(0x0b0), // page
U8X8_C(0x0a6), /* set normal pixel mode (not inverse) */
U8X8_C(0x0a4), /* set normal pixel mode (not all on) */
/* test code
U8X8_C(0x0af), // display on
U8X8_C(0x0f8), // window mode off
U8X8_CA(0x0f4, 0), // set window
U8X8_CA(0x0f5, 0),
U8X8_CA(0x0f6, 4),
U8X8_CA(0x0f7, 1),
U8X8_C(0x0f9), // window mode on
U8X8_D1(0x03),
U8X8_D1(0x0c0),
U8X8_D1(0x0ff),
U8X8_D1(0x0ff),
U8X8_D1(0x0ff),
U8X8_D1(0x0ff),
U8X8_D1(0x0ff),
U8X8_D1(0x0ff),
*/
U8X8_END_TRANSFER(), /* disable chip */
U8X8_END() /* end of sequence */
};
static const uint8_t u8x8_d_uc1609_erm19264_powersave0_seq[] = {
U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
U8X8_C(0x0af), /* display on, UC1610 */
U8X8_END_TRANSFER(), /* disable chip */
U8X8_END() /* end of sequence */
};
static const uint8_t u8x8_d_uc1609_erm19264_powersave1_seq[] = {
U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
U8X8_C(0x0ae), /* display off, UC1610 */
U8X8_END_TRANSFER(), /* disable chip */
U8X8_END() /* end of sequence */
};
static const uint8_t u8x8_d_uc1609_erm19264_flip0_seq[] = {
U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
/*
LC0: 0
MX: Mirror X
MY: Mirror Y
*/
U8X8_C(0x0c0), /* low bits are MY, MX, LC0 */
U8X8_END_TRANSFER(), /* disable chip */
U8X8_END() /* end of sequence */
};
static const uint8_t u8x8_d_uc1609_erm19264_flip1_seq[] = {
U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
/*
LC0: 0
MX: Mirror X
MY: Mirror Y
*/
U8X8_C(0x0c6), /* low bits are MY, MX, LC0 */
U8X8_END_TRANSFER(), /* disable chip */
U8X8_END() /* end of sequence */
};
/*
UC1610 has two chip select inputs (CS0 and CS1).
CS0 is low active, CS1 is high active. It will depend on the display
module whether the display has a is low or high active chip select.
*/
static const u8x8_display_info_t u8x8_uc1609_display_info =
{
/* chip_enable_level = */ 0,
/* chip_disable_level = */ 1,
/* post_chip_enable_wait_ns = */ 15,
/* pre_chip_disable_wait_ns = */ 15,
/* reset_pulse_width_ms = */ 1,
/* post_reset_wait_ms = */ 6,
/* sda_setup_time_ns = */ 30,
/* sck_pulse_width_ns = */ 63, /* half of cycle time (125ns cycle time according to datasheet) --> 8MHz clock */
/* sck_clock_hz = */ 8000000UL, /* 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 = */ 30,
/* write_pulse_width_ns = */ 40,
/* tile_width = */ 20,
/* tile_hight = */ 13, /* height of 13*8=104 pixel */
/* default_x_offset = */ 0,
/* flipmode_x_offset = */ 0,
/* pixel_width = */ 194,
/* pixel_height = */ 92
};
/*
RAM Organization:
D0 Pix0
D1
D2 Pix1
D3
D4 Pix2
D5
D6 Pix3
D7
D0 Pix4
D1
D2 Pix5
D3
D4 Pix6
D5
D6 Pix7
D7
*/
static uint8_t *u8x8_convert_tile_for_uc1609(uint8_t *t)
{
uint8_t i;
uint16_t r;
static uint8_t buf[16];
uint8_t *pbuf = buf;
for( i = 0; i < 8; i++ )
{
r = u8x8_upscale_byte(*t++);
*pbuf++ = r & 255;
r >>= 8;
*pbuf++ = r;
}
return buf;
}
uint8_t u8x8_d_uc1609_ae_erm19294(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
{
uint8_t x, c, page;
uint8_t *ptr;
switch(msg)
{
case U8X8_MSG_DISPLAY_SETUP_MEMORY:
u8x8_d_helper_display_setup_memory(u8x8, &u8x8_uc1609_display_info);
break;
case U8X8_MSG_DISPLAY_INIT:
u8x8_d_helper_display_init(u8x8);
u8x8_cad_SendSequence(u8x8, u8x8_d_uc1609_erm19264_init_seq);
break;
case U8X8_MSG_DISPLAY_SET_POWER_SAVE:
if ( arg_int == 0 )
u8x8_cad_SendSequence(u8x8, u8x8_d_uc1609_erm19264_powersave0_seq);
else
u8x8_cad_SendSequence(u8x8, u8x8_d_uc1609_erm19264_powersave1_seq);
break;
case U8X8_MSG_DISPLAY_SET_FLIP_MODE:
if ( arg_int == 0 )
{
u8x8_cad_SendSequence(u8x8, u8x8_d_uc1609_erm19264_flip0_seq);
u8x8->x_offset = u8x8->display_info->default_x_offset;
}
else
{
u8x8_cad_SendSequence(u8x8, u8x8_d_uc1609_erm19264_flip1_seq);
u8x8->x_offset = u8x8->display_info->flipmode_x_offset;
}
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 ); /* uc1610 has range from 0 to 255 */
u8x8_cad_EndTransfer(u8x8);
break;
#endif
case U8X8_MSG_DISPLAY_DRAW_TILE:
u8x8_cad_StartTransfer(u8x8);
x = ((u8x8_tile_t *)arg_ptr)->x_pos;
x *= 8;
x += u8x8->x_offset;
page = (((u8x8_tile_t *)arg_ptr)->y_pos);
page *= 2;
u8x8_cad_SendCmd(u8x8, 0x0f8 ); /* window disable */
//u8x8_cad_SendCmd(u8x8, 0x010 | (x>>4) );
//u8x8_cad_SendCmd(u8x8, 0x000 | ((x&15)));
//u8x8_cad_SendCmd(u8x8, 0x0b0 | page);
u8x8_cad_SendCmd(u8x8, 0x0f4 ); /* window start column */
u8x8_cad_SendArg(u8x8, x);
u8x8_cad_SendCmd(u8x8, 0x0f5 ); /* window start page */
u8x8_cad_SendArg(u8x8, page);
u8x8_cad_SendCmd(u8x8, 0x0f6 ); /* window end column */
u8x8_cad_SendArg(u8x8, 159); /* end of display */
u8x8_cad_SendCmd(u8x8, 0x0f7 ); /* window end page */
u8x8_cad_SendArg(u8x8, page+1);
u8x8_cad_SendCmd(u8x8, 0x0f9 ); /* window enable */
do
{
c = ((u8x8_tile_t *)arg_ptr)->cnt;
ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr;
do
{
u8x8_cad_SendData(u8x8, 16, u8x8_convert_tile_for_uc1609(ptr));
ptr += 8;
x += 8;
c--;
} while( c > 0 );
arg_int--;
} while( arg_int > 0 );
u8x8_cad_EndTransfer(u8x8);
break;
default:
return 0;
}
return 1;
}
olikraus
matthijskooijman
Noticed the ERM19264 UC1609 was missing not sure how easy or hard of conversion to support this display would be but I've found the datasheet for the controller I'd love to get some guidance on how the u8g2 works internally per SPI display to help add support to it.
Aliexx link
UC1609 Datasheet