components/u8g2/csrc/u8x8_d_sh1108.c

changeset 0
88d965579617
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/components/u8g2/csrc/u8x8_d_sh1108.c	Tue Oct 08 12:00:31 2019 +0200
@@ -0,0 +1,225 @@
+/*
+
+  u8x8_d_sh1108.c
+
+  Universal 8bit Graphics Library (https://github.com/olikraus/u8g2/)
+
+  Copyright (c) 2018, 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.  
+  
+*/
+
+
+#include "u8x8.h"
+
+/* 
+  code copyied from sh1107
+  SH1108: 160x160 controller from Sino Wealth
+*/
+
+
+
+static const uint8_t u8x8_d_sh1108_noname_powersave0_seq[] = {
+  U8X8_START_TRANSFER(),             	/* enable chip, delay is part of the transfer start */
+  U8X8_C(0x0af),		                /* display on */
+  U8X8_END_TRANSFER(),             	/* disable chip */
+  U8X8_END()             			/* end of sequence */
+};
+
+static const uint8_t u8x8_d_sh1108_noname_powersave1_seq[] = {
+  U8X8_START_TRANSFER(),             	/* enable chip, delay is part of the transfer start */
+  U8X8_C(0x0ae),		                /* display off */
+  U8X8_END_TRANSFER(),             	/* disable chip */
+  U8X8_END()             			/* end of sequence */
+};
+
+static const uint8_t u8x8_d_sh1108_160x160_noname_powersave0_seq[] = {
+  U8X8_START_TRANSFER(),             	/* enable chip, delay is part of the transfer start */
+  U8X8_C(0x0a0),				/* segment remap a0/a1*/
+  U8X8_C(0x0c0),				/* c0: scan dir normal, c8: reverse */
+  U8X8_END_TRANSFER(),             	/* disable chip */
+  U8X8_END()             			/* end of sequence */
+};
+
+static const uint8_t u8x8_d_sh1108_160x160_noname_powersave1_seq[] = {
+  U8X8_START_TRANSFER(),             	/* enable chip, delay is part of the transfer start */
+  U8X8_C(0x0a1),				/* segment remap a0/a1*/
+  U8X8_C(0x0c8),				/* c0: scan dir normal, c8: reverse */
+  U8X8_END_TRANSFER(),             	/* disable chip */
+  U8X8_END()             			/* end of sequence */
+};
+
+
+static uint8_t u8x8_d_sh1108_generic(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
+{
+  uint8_t x, c;
+  uint8_t *ptr;
+  switch(msg)
+  {
+    /* handled by the calling function
+    case U8X8_MSG_DISPLAY_SETUP_MEMORY:
+      u8x8_d_helper_display_setup_memory(u8x8, &u8x8_sh1108_64x128_noname_display_info);
+      break;
+    */
+    /* handled by the calling function
+    case U8X8_MSG_DISPLAY_INIT:
+      u8x8_d_helper_display_init(u8x8);
+      u8x8_cad_SendSequence(u8x8, u8x8_d_sh1108_64x128_noname_init_seq);    
+      break;
+    */
+    case U8X8_MSG_DISPLAY_SET_POWER_SAVE:
+      if ( arg_int == 0 )
+	u8x8_cad_SendSequence(u8x8, u8x8_d_sh1108_noname_powersave0_seq);
+      else
+	u8x8_cad_SendSequence(u8x8, u8x8_d_sh1108_noname_powersave1_seq);
+      break;
+    case U8X8_MSG_DISPLAY_SET_FLIP_MODE:
+      if ( arg_int == 0 )
+      {
+	u8x8_cad_SendSequence(u8x8, u8x8_d_sh1108_160x160_noname_powersave0_seq);
+	u8x8->x_offset = u8x8->display_info->default_x_offset;
+      }
+      else
+      {
+	u8x8_cad_SendSequence(u8x8, u8x8_d_sh1108_160x160_noname_powersave1_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 );	/* sh1108 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;
+
+      //u8x8_cad_SendCmd(u8x8, 0x040 ); /* set line offset to 0 */
+
+      // set column address
+      u8x8_cad_SendCmd(u8x8, 0x010 | (x >> 4));
+      u8x8_cad_SendCmd(u8x8, 0x000 | ((x & 15))); 
+      
+      // set page address
+      u8x8_cad_SendCmd(u8x8, 0x0b0 ); 		// page cmd is a two byte command
+      u8x8_cad_SendArg(u8x8, (((u8x8_tile_t *)arg_ptr)->y_pos)); 
+    
+      do
+      {
+	c = ((u8x8_tile_t *)arg_ptr)->cnt;
+	ptr = ((u8x8_tile_t *)arg_ptr)->tile_ptr;
+	u8x8_cad_SendData(u8x8, c*8, ptr); 	/* note: SendData can not handle more than 255 bytes */
+	arg_int--;
+      } while( arg_int > 0 );
+      
+      u8x8_cad_EndTransfer(u8x8);
+      break;
+    default:
+      return 0;
+  }
+  return 1;
+}
+
+/*==================================================*/
+
+/* issue #619, 160x160 OLED */
+static const uint8_t u8x8_d_sh1108_160x160_noname_init_seq[] = {
+    
+  U8X8_START_TRANSFER(),             	/* enable chip, delay is part of the transfer start */
+    
+  U8X8_C(0x0ae),		                /* display off */
+  U8X8_CA(0x0d5, 0x060),		/* clock divide ratio and oscillator frequency */
+  U8X8_CA(0x0a9, 0x003), 		/* set display resolution, 0=64x160, 1=96x160, 2=128x160, 3=160x160 */
+  U8X8_C(0x020),		                /* use page addressing mode */
+  U8X8_CA(0x081, 0x01f), 		/* set contrast control */
+  U8X8_CA(0x0ad, 0x80),			/* DC/DC control 80=Use external Vpp, 89=Use internal DC/DC*/
+  U8X8_C(0x030),				/* set discharge VSL level, 0x030..0x03f */
+  U8X8_CA(0x0d9, 0x028), 		/* pre-charge period */
+  U8X8_CA(0x0db, 0x035), 		/* vcomh deselect level */    
+  U8X8_CA(0x0dc, 0x035),		/* VSEGM Deselect Level */
+
+  U8X8_C(0x0a0),				/* segment remap a0/a1*/
+  U8X8_C(0x0c0),				/* c0: scan dir normal, c8: reverse */
+  
+  U8X8_C(0x0a4),				/* output ram to display */
+  U8X8_C(0x0a6),				/* none inverted normal display mode */
+    
+  U8X8_END_TRANSFER(),             	/* disable chip */
+  U8X8_END()             			/* end of sequence */
+};
+
+static const u8x8_display_info_t u8x8_sh1108_160x160_noname_display_info =
+{
+  /* chip_enable_level = */ 0,
+  /* chip_disable_level = */ 1,
+  
+  /* post_chip_enable_wait_ns = */ 60,
+  /* pre_chip_disable_wait_ns = */ 120,
+  /* reset_pulse_width_ms = */ 100, 	/* sh1108: 3 us */
+  /* post_reset_wait_ms = */ 100, /* sometimes OLEDs need much longer setup time */
+  /* sda_setup_time_ns = */ 100,		/* sh1108: 100ns */
+  /* sck_pulse_width_ns = */ 100,	/* sh1108: 100ns */
+  /* sck_clock_hz = */ 4000000UL,	/* 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 = */ 40,
+  /* write_pulse_width_ns = */ 150,	/* sh1108: cycle time is 300ns, so use 300/2 = 150 */
+  /* tile_width = */ 20,
+  /* tile_height = */ 20,
+  /* default_x_offset = */ 0,
+  /* flipmode_x_offset = */ 0,
+  /* pixel_width = */ 160,
+  /* pixel_height = */ 160
+};
+
+uint8_t u8x8_d_sh1108_160x160(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr)
+{
+    
+  if ( u8x8_d_sh1108_generic(u8x8, msg, arg_int, arg_ptr) != 0 )
+    return 1;
+  
+  switch(msg)
+  {
+    case U8X8_MSG_DISPLAY_INIT:
+      u8x8_d_helper_display_init(u8x8);
+      u8x8_cad_SendSequence(u8x8, u8x8_d_sh1108_160x160_noname_init_seq);
+      break;
+    case U8X8_MSG_DISPLAY_SETUP_MEMORY:
+      u8x8_d_helper_display_setup_memory(u8x8, &u8x8_sh1108_160x160_noname_display_info);
+      break;
+    default:
+      return 0;
+  }
+  return 1;
+}
+
+/*==================================================*/

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