mirror of
https://github.com/Valeh2012/PersonalVotingMachine
synced 2024-11-26 02:40:59 +02:00
288 lines
8.7 KiB
C
288 lines
8.7 KiB
C
/*
|
|
|
|
u8x8_d_sh1122.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.
|
|
|
|
|
|
Copied from sh1122 mostly because of the similar RAM architecture.
|
|
However: Commands are very different!
|
|
|
|
*/
|
|
#include "u8x8.h"
|
|
|
|
|
|
|
|
|
|
static const uint8_t u8x8_d_sh1122_powersave0_seq[] = {
|
|
U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
|
|
U8X8_C(0x0af), /* sh1122: display on */
|
|
U8X8_END_TRANSFER(), /* disable chip */
|
|
U8X8_END() /* end of sequence */
|
|
};
|
|
|
|
static const uint8_t u8x8_d_sh1122_powersave1_seq[] = {
|
|
U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
|
|
U8X8_C(0x0ae), /* sh1122: display off */
|
|
U8X8_END_TRANSFER(), /* disable chip */
|
|
U8X8_END() /* end of sequence */
|
|
};
|
|
|
|
|
|
|
|
|
|
/*
|
|
input:
|
|
one tile (8 Bytes)
|
|
output:
|
|
Tile for SH1122 (32 Bytes)
|
|
*/
|
|
|
|
/*
|
|
static uint8_t u8x8_sh1122_to32_dest_buf[32];
|
|
|
|
static uint8_t *u8x8_sh1122_8to32(U8X8_UNUSED u8x8_t *u8x8, uint8_t *ptr)
|
|
{
|
|
uint8_t v;
|
|
uint8_t a,b;
|
|
uint8_t i, j;
|
|
uint8_t *dest;
|
|
|
|
for( j = 0; j < 4; j++ )
|
|
{
|
|
dest = u8x8_sh1122_to32_dest_buf;
|
|
dest += j;
|
|
a =*ptr;
|
|
ptr++;
|
|
b = *ptr;
|
|
ptr++;
|
|
for( i = 0; i < 8; i++ )
|
|
{
|
|
v = 0;
|
|
if ( a&1 ) v |= 0xf0;
|
|
if ( b&1 ) v |= 0x0f;
|
|
*dest = v;
|
|
dest+=4;
|
|
a >>= 1;
|
|
b >>= 1;
|
|
}
|
|
}
|
|
|
|
return u8x8_sh1122_to32_dest_buf;
|
|
}
|
|
*/
|
|
|
|
|
|
static uint8_t u8x8_write_byte_to_16gr_device(u8x8_t *u8x8, uint8_t b)
|
|
{
|
|
static uint8_t buf[4];
|
|
static uint8_t map[4] = { 0, 0x00f, 0x0f0, 0x0ff };
|
|
buf [3] = map[b & 3];
|
|
b>>=2;
|
|
buf [2] = map[b & 3];
|
|
b>>=2;
|
|
buf [1] = map[b & 3];
|
|
b>>=2;
|
|
buf [0] = map[b & 3];
|
|
return u8x8_cad_SendData(u8x8, 4, buf);
|
|
}
|
|
|
|
uint8_t u8x8_d_sh1122_common(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
|
|
{
|
|
uint8_t x;
|
|
uint8_t y, c, i;
|
|
uint8_t *ptr;
|
|
switch(msg)
|
|
{
|
|
/* U8X8_MSG_DISPLAY_SETUP_MEMORY is handled by the calling function */
|
|
/*
|
|
case U8X8_MSG_DISPLAY_SETUP_MEMORY:
|
|
break;
|
|
case U8X8_MSG_DISPLAY_INIT:
|
|
u8x8_d_helper_display_init(u8x8);
|
|
u8x8_cad_SendSequence(u8x8, u8x8_d_sh1122_256x64_init_seq);
|
|
break;
|
|
*/
|
|
case U8X8_MSG_DISPLAY_SET_POWER_SAVE:
|
|
if ( arg_int == 0 )
|
|
u8x8_cad_SendSequence(u8x8, u8x8_d_sh1122_powersave0_seq);
|
|
else
|
|
u8x8_cad_SendSequence(u8x8, u8x8_d_sh1122_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 ); /* sh1122 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 *= 2; // only every 4th col can be addressed
|
|
x += u8x8->x_offset;
|
|
|
|
y = (((u8x8_tile_t *)arg_ptr)->y_pos);
|
|
y *= 8;
|
|
|
|
|
|
c = ((u8x8_tile_t *)arg_ptr)->cnt; /* number of tiles */
|
|
ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr; /* data ptr to the tiles */
|
|
for( i = 0; i < 8; i++ )
|
|
{
|
|
u8x8_cad_SendCmd(u8x8, 0x0b0 ); /* set row address */
|
|
u8x8_cad_SendArg(u8x8, y);
|
|
u8x8_cad_SendCmd(u8x8, x & 15 ); /* lower 4 bit*/
|
|
u8x8_cad_SendCmd(u8x8, 0x010 | (x >> 4) ); /* higher 3 bit */
|
|
c = ((u8x8_tile_t *)arg_ptr)->cnt; /* number of tiles */
|
|
|
|
while ( c > 0 )
|
|
{
|
|
u8x8_write_byte_to_16gr_device(u8x8, *ptr);
|
|
c--;
|
|
ptr++;
|
|
}
|
|
y++;
|
|
}
|
|
|
|
|
|
u8x8_cad_EndTransfer(u8x8);
|
|
break;
|
|
default:
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
/*=========================================================*/
|
|
|
|
static const uint8_t u8x8_d_sh1122_256x64_flip0_seq[] = {
|
|
U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
|
|
U8X8_C(0x0a1), /* remap */
|
|
U8X8_C(0x0c8), /* remap */
|
|
U8X8_C(0x060),
|
|
U8X8_END_TRANSFER(), /* disable chip */
|
|
U8X8_END() /* end of sequence */
|
|
};
|
|
|
|
static const uint8_t u8x8_d_sh1122_256x64_flip1_seq[] = {
|
|
U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
|
|
U8X8_C(0x0a0), /* remap */
|
|
U8X8_C(0x0c0), /* remap */
|
|
U8X8_C(0x040),
|
|
U8X8_END_TRANSFER(), /* disable chip */
|
|
U8X8_END() /* end of sequence */
|
|
};
|
|
|
|
static const u8x8_display_info_t u8x8_sh1122_256x64_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 = */ 10, /* sh1122: 10 us */
|
|
/* post_reset_wait_ms = */ 20, /* */
|
|
/* sda_setup_time_ns = */ 125, /* sh1122: cycle time is 250ns, so use 250/2 */
|
|
/* sck_pulse_width_ns = */ 125, /* sh1122: cycle time is 250ns, so use 250/2 */
|
|
/* sck_clock_hz = */ 40000000UL, /* 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 = */ 10,
|
|
/* write_pulse_width_ns = */ 150, /* sh1122: cycle time is 300ns, so use 300/2 = 150 */
|
|
/* tile_width = */ 32, /* 256 pixel, so we require 32 bytes for this */
|
|
/* tile_hight = */ 8,
|
|
/* default_x_offset = */ 0, /* this is the byte offset (there are two pixel per byte with 4 bit per pixel) */
|
|
/* flipmode_x_offset = */ 0,
|
|
/* pixel_width = */ 256,
|
|
/* pixel_height = */ 64
|
|
};
|
|
|
|
|
|
static const uint8_t u8x8_d_sh1122_256x64_init_seq[] = {
|
|
|
|
U8X8_DLY(1),
|
|
U8X8_START_TRANSFER(), /* enable chip, delay is part of the transfer start */
|
|
U8X8_DLY(1),
|
|
|
|
U8X8_C(0xae), /* display off */
|
|
U8X8_C(0x40), /* display start line */
|
|
U8X8_C(0x0a0), /* remap */
|
|
U8X8_C(0x0c0), /* remap */
|
|
U8X8_CA(0x81, 0x80), /* set display contrast */
|
|
U8X8_CA(0xa8, 0x3f), /* multiplex ratio 1/64 Duty (0x0F~0x3F) */
|
|
U8X8_CA(0xad, 0x81), /* use buildin DC-DC with 0.6 * 500 kHz */
|
|
|
|
U8X8_CA(0xd5, 0x50), /* set display clock divide ratio (lower 4 bit)/oscillator frequency (upper 4 bit) */
|
|
U8X8_CA(0xd3, 0x00), /* display offset, shift mapping ram counter */
|
|
U8X8_CA(0xd9, 0x22), /* pre charge (lower 4 bit) and discharge(higher 4 bit) period */
|
|
U8X8_CA(0xdb, 0x35), /* VCOM deselect level */
|
|
U8X8_CA(0xdc, 0x35), /* Pre Charge output voltage */
|
|
U8X8_C(0x030), /* discharge level */
|
|
|
|
U8X8_DLY(1), /* delay */
|
|
|
|
U8X8_END_TRANSFER(), /* disable chip */
|
|
U8X8_END() /* end of sequence */
|
|
};
|
|
|
|
|
|
uint8_t u8x8_d_sh1122_256x64(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
|
|
{
|
|
switch(msg)
|
|
{
|
|
case U8X8_MSG_DISPLAY_SETUP_MEMORY:
|
|
u8x8_d_helper_display_setup_memory(u8x8, &u8x8_sh1122_256x64_display_info);
|
|
break;
|
|
case U8X8_MSG_DISPLAY_INIT:
|
|
u8x8_d_helper_display_init(u8x8);
|
|
u8x8_cad_SendSequence(u8x8, u8x8_d_sh1122_256x64_init_seq);
|
|
break;
|
|
case U8X8_MSG_DISPLAY_SET_FLIP_MODE:
|
|
if ( arg_int == 0 )
|
|
{
|
|
u8x8_cad_SendSequence(u8x8, u8x8_d_sh1122_256x64_flip0_seq);
|
|
u8x8->x_offset = u8x8->display_info->default_x_offset;
|
|
}
|
|
else
|
|
{
|
|
u8x8_cad_SendSequence(u8x8, u8x8_d_sh1122_256x64_flip1_seq);
|
|
u8x8->x_offset = u8x8->display_info->flipmode_x_offset;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
return u8x8_d_sh1122_common(u8x8, msg, arg_int, arg_ptr);
|
|
}
|
|
return 1;
|
|
}
|
|
|