--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/components/u8g2/csrc/u8x8_d_sh1122.c Tue Oct 08 12:00:31 2019 +0200
@@ -0,0 +1,287 @@
+/*
+
+ 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;
+}
+