You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
287 lines
8.7 KiB
287 lines
8.7 KiB
/* |
|
|
|
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; |
|
} |
|
|
|
|