Diff: u8glibARM/u8g_dev_ssd1327_96x96_gr.c

Revision:

2:6cd3b0947188

Parent:

1:0e75de2a5d21

Child:

3:4cd9171ba989

--- a/u8glibARM/u8g_dev_ssd1327_96x96_gr.c	Mon Jun 13 02:21:11 2016 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,300 +0,0 @@
-/*
-
-  u8g_dev_ssd1327_96x96_gr.c
-  
-  2-Bit (graylevel) Driver for SSD1327 Controller (OLED Display)
-  Tested with Seedstudio 96x96 Oled (LY120)
-  http://www.seeedstudio.com/wiki/index.php?title=Twig_-_OLED_96x96
-
-  Universal 8bit Graphics Library
-  
-  Copyright (c) 2012, 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.  
-  
-  SSD130x       Monochrom OLED Controller
-  SSD131x       Character OLED Controller
-  SSD132x       Graylevel OLED Controller
-  SSD1331       Color OLED Controller       
-
-*/
-
-#include "u8g.h"
-
-#define WIDTH 96
-#define HEIGHT 96
-#define XOFFSET 8
-
-/*  
-  http://www.seeedstudio.com/wiki/index.php?title=Twig_-_OLED_96x96
-*/
-static const uint8_t u8g_dev_ssd1327_2bit_96x96_init_seq[] PROGMEM = {
-  U8G_ESC_DLY(10),              /* delay 10 ms */
-  U8G_ESC_CS(0),                 /* disable chip */
-  U8G_ESC_ADR(0),               /* instruction mode */
-  U8G_ESC_RST(1),               /* do reset low pulse with (1*16)+2 milliseconds */
-  U8G_ESC_CS(1),                /* enable chip */
-  0x0fd, 0x012,			/* unlock display, usually not required because the display is unlocked after reset */
-  0x0ae,             			/* display off, sleep mode */
-  0x0a8, 0x05f,			/* multiplex ratio: 0x05f * 1/64 duty */
-  0x0a1, 0x000,            		/* display start line */
-  0x0a2, 0x060,           		/* display offset, shift mapping ram counter */
-  //0x0a2, 0x04c,           		/* NHD: display offset, shift mapping ram counter */
-  0x0a0, 0x046,  			/* remap configuration, vertical address increment, enable nibble remap (upper nibble is left) */
-  //0x0a0, 0x056,  			/* NHD: remap configuration, vertical address increment, enable nibble remap (upper nibble is left) */
-  0x0ab, 0x001,			/* Enable internal VDD regulator (RESET) */
-  0x081, 0x053,          		/* contrast, brightness, 0..128, Newhaven: 0x040, LY120 0x053, 0x070 seems also ok */
-  0x0b1, 0x051,          		/* phase length */
-  0x0b3, 0x001,           		/* set display clock divide ratio/oscillator frequency */
-  0x0b9,					/* use linear lookup table */
-#if 0
-  0x0b8,                                /* set gray scale table */
-      //0x01, 0x011, 0x022, 0x032, 0x043, 0x054, 0x065, 0x076,
-      0x01, 0x011, 0x022, 0x032, 0x043, 0x054, 0x077, 0x077,            // 4L mode uses 0, 2, 4, 7
-#endif  
-  0x0bc, 0x008,                    	/* pre-charge voltage level */
-  0x0be, 0x007,                     	/* VCOMH voltage */
-  0x0b6, 0x001,			/* second precharge */
-  0x0d5, 0x062,			/* enable second precharge, internal vsl (bit0 = 0) */
-  
-#if 0
-  // the following commands are not used by the SeeedGrayOLED sequence */
-  0x0ad, 0x002,                     /* master configuration: disable embedded DC-DC, enable internal VCOMH */
-  0x086,                                /* full current range (0x084, 0x085, 0x086) */
-  0x0b2, 0x051,                    /* frame frequency (row period) */
-  0x0b4, 0x002,                    /* set pre-charge compensation level (not documented in the SDD1325 datasheet, but used in the NHD init seq.) */
-  0x0b0, 0x028,                    /* enable pre-charge compensation (not documented in the SDD1325 datasheet, but used in the NHD init seq.) */
-  0x0bf, 0x002|0x00d,           /* VSL voltage level (not documented in the SDD1325 datasheet, but used in the NHD init seq.) */
-#endif 
-
-  0x0a5,                                 /* all pixel on */
-  //0x02e,					/* no scroll (according to SeeedGrayOLED sequence) */
-  0x0af,                                  /* display on */
-  U8G_ESC_DLY(100),             /* delay 100 ms */
-  0x0a4,                                 /* normal display mode */
-  U8G_ESC_DLY(100),             /* delay 100 ms */
-  0x0a5,                                 /* all pixel on */
-  0x0af,                                  /* display on */
-  U8G_ESC_DLY(100),             /* delay 100 ms */
-  0x0a4,                                 /* normal display mode */
-  
-  0x015,       /* column address... */
-  0x008,       /* start at column 8, special for the LY120 ??? */
-  0x037,       /* end at column 55, note: there are two pixel in one column */
-  
-  0x075,       /* row address... */
-  0x008,       
-  0x05f,       
-  
-  U8G_ESC_ADR(1),               /* data mode */
-  0x000f, 0x000f, 0x0000, 0x0000, 0x000f,0x000f,0x0000,0x0000,
-  0x000f, 0x000f, 0x0000, 0x0000, 0x000f,0x000f,0x0000,0x0000,
-  0x000f, 0x000f, 0x0000, 0x0000, 0x000f,0x000f,0x0000,0x0000,
-  0x000f, 0x000f, 0x0000, 0x0000, 0x000f,0x000f,0x0000,0x0000,
-  
-  U8G_ESC_CS(0),             /* disable chip */
-  U8G_ESC_END                /* end of sequence */
-};
-
-static const uint8_t u8g_dev_ssd1327_2bit_96x96_prepare_page_seq[] PROGMEM = {
-  U8G_ESC_ADR(0),               /* instruction mode */
-  U8G_ESC_CS(1),                /* enable chip */
-  0x015,       /* column address... */
-  XOFFSET,       /* start at column 8, special for the LY120 ??? */
-  0x037,       /* end at column 55, note: there are two pixel in one column */
-  0x075,       /* row address... */
-  U8G_ESC_END                /* end of sequence */
-};
-
-
-static void u8g_dev_ssd1327_2bit_prepare_page(u8g_t *u8g, u8g_dev_t *dev)
-{
-  uint8_t page = ((u8g_pb_t *)(dev->dev_mem))->p.page;
-  
-  u8g_WriteEscSeqP(u8g, dev, u8g_dev_ssd1327_2bit_96x96_prepare_page_seq);
-  
-  page <<= 2;
-  u8g_WriteByte(u8g, dev, page);       /* start at the selected page */
-  page += 3;
-  u8g_WriteByte(u8g, dev, page);       /* end within the selected page */  
-  
-  u8g_SetAddress(u8g, dev, 1);          /* data mode */
-}
-
-static void u8g_dev_ssd1327_2bit_2x_prepare_page(u8g_t *u8g, u8g_dev_t *dev, uint8_t is_odd)
-{
-  uint8_t page = ((u8g_pb_t *)(dev->dev_mem))->p.page;
-  
-  u8g_WriteEscSeqP(u8g, dev, u8g_dev_ssd1327_2bit_96x96_prepare_page_seq);
-  
-  page <<= 1;
-  page += is_odd;
-  
-  page <<= 2;
-  u8g_WriteByte(u8g, dev, page);       /* start at the selected page */
-  page += 3;
-  u8g_WriteByte(u8g, dev, page);       /* end within the selected page */  
-  
-  u8g_SetAddress(u8g, dev, 1);          /* data mode */
-}
-
-/* assumes row autoincrement and activated nibble remap */
-static  void u8g_dev_ssd1327_2bit_write_4_pixel(u8g_t *u8g, u8g_dev_t *dev, uint8_t left, uint8_t right)
-{
-  uint8_t d, tmp, cnt;
-  static uint8_t buf[4];
-  buf[0] = 0;
-  buf[1] = 0;
-  buf[2] = 0;
-  buf[3] = 0;
-  cnt = 0;
-  do 
-  {
-    if ( left == 0 && right == 0 )
-      break;
-    d = left;
-    d &= 3;
-    d <<= 4;    
-    tmp = right;    
-    tmp &= 3;
-    d |= tmp;
-    d <<= 2;
-    buf[cnt] = d;
-    left >>= 2;
-    right >>= 2;
-    cnt++;
-  }while ( cnt < 4 );
-  u8g_WriteSequence(u8g, dev, 4, buf);
-}
-
-static void u8g_dev_ssd1327_2bit_write_buffer(u8g_t *u8g, u8g_dev_t *dev)
-{
-  uint8_t cnt, left, right;
-  uint8_t *ptr;
-  u8g_pb_t *pb = (u8g_pb_t *)(dev->dev_mem);
-  
-  cnt = pb->width;
-  cnt >>= 1;
-  ptr = pb->buf;
-  do
-  {
-    left = *ptr++;
-    right = *ptr++;
-    u8g_dev_ssd1327_2bit_write_4_pixel(u8g, dev, left, right);
-    cnt--;
-  } while( cnt > 0 );
-}
-
-static void u8g_dev_ssd1327_2bit_2x_write_buffer(u8g_t *u8g, u8g_dev_t *dev, uint8_t is_odd)
-{
-  uint8_t cnt, left, right;
-  uint8_t *ptr;
-  u8g_pb_t *pb = (u8g_pb_t *)(dev->dev_mem);
-  
-  ptr = pb->buf;
-  cnt = pb->width;
-  if ( is_odd )
-    ptr += cnt;
-  cnt >>= 1;
-  do
-  {
-    left = *ptr++;
-    right = *ptr++;
-    u8g_dev_ssd1327_2bit_write_4_pixel(u8g, dev, left, right);
-    cnt--;
-  } while( cnt > 0 );
-}
-
-uint8_t u8g_dev_ssd1327_96x96_gr_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg)
-{
-  switch(msg)
-  {
-    case U8G_DEV_MSG_INIT:
-      u8g_InitCom(u8g, dev, U8G_SPI_CLK_CYCLE_300NS);
-      u8g_WriteEscSeqP(u8g, dev, u8g_dev_ssd1327_2bit_96x96_init_seq);
-      break;
-    case U8G_DEV_MSG_STOP:
-      break;
-    case U8G_DEV_MSG_PAGE_NEXT:
-      {
-        u8g_dev_ssd1327_2bit_prepare_page(u8g, dev);
-        u8g_dev_ssd1327_2bit_write_buffer(u8g, dev);
-        u8g_SetChipSelect(u8g, dev, 0);        
-      }
-      break;
-    case U8G_DEV_MSG_CONTRAST:
-      u8g_SetChipSelect(u8g, dev, 1);
-      u8g_SetAddress(u8g, dev, 0);          /* instruction mode */
-      u8g_WriteByte(u8g, dev, 0x081);
-      u8g_WriteByte(u8g, dev, (*(uint8_t *)arg) >> 1);
-      u8g_SetChipSelect(u8g, dev, 0);      
-      return 1;
-  }
-  return u8g_dev_pb8v2_base_fn(u8g, dev, msg, arg);
-}
-
-uint8_t u8g_dev_ssd1327_96x96_2x_gr_fn(u8g_t *u8g, u8g_dev_t *dev, uint8_t msg, void *arg)
-{
-  switch(msg)
-  {
-    case U8G_DEV_MSG_INIT:
-      u8g_InitCom(u8g, dev, U8G_SPI_CLK_CYCLE_300NS);
-      u8g_WriteEscSeqP(u8g, dev, u8g_dev_ssd1327_2bit_96x96_init_seq);
-      break;
-    case U8G_DEV_MSG_STOP:
-      break;
-    case U8G_DEV_MSG_PAGE_NEXT:
-      {
-        u8g_dev_ssd1327_2bit_2x_prepare_page(u8g, dev, 0);
-        u8g_dev_ssd1327_2bit_2x_write_buffer(u8g, dev, 0);
-        u8g_dev_ssd1327_2bit_2x_prepare_page(u8g, dev, 1);
-        u8g_dev_ssd1327_2bit_2x_write_buffer(u8g, dev, 1);
-        u8g_SetChipSelect(u8g, dev, 0);        
-      }
-      break;
-    case U8G_DEV_MSG_CONTRAST:
-      u8g_SetChipSelect(u8g, dev, 1);
-      u8g_SetAddress(u8g, dev, 0);          /* instruction mode */
-      u8g_WriteByte(u8g, dev, 0x081);
-      u8g_WriteByte(u8g, dev, (*(uint8_t *)arg) >> 1);
-      u8g_SetChipSelect(u8g, dev, 0);      
-      return 1;
-  }
-  return u8g_dev_pb16v2_base_fn(u8g, dev, msg, arg);
-}
-
-U8G_PB_DEV(u8g_dev_ssd1327_96x96_gr_sw_spi , WIDTH, HEIGHT, 4, u8g_dev_ssd1327_96x96_gr_fn, U8G_COM_SW_SPI);
-U8G_PB_DEV(u8g_dev_ssd1327_96x96_gr_hw_spi , WIDTH, HEIGHT, 4, u8g_dev_ssd1327_96x96_gr_fn, U8G_COM_HW_SPI);
-U8G_PB_DEV(u8g_dev_ssd1327_96x96_gr_i2c , WIDTH, HEIGHT, 4, u8g_dev_ssd1327_96x96_gr_fn, U8G_COM_SSD_I2C);
-
-#define DWIDTH (2*WIDTH)
-uint8_t u8g_dev_ssd1327_96x96_2x_buf[DWIDTH] U8G_NOCOMMON ; 
-u8g_pb_t u8g_dev_ssd1327_96x96_2x_pb = { {8, HEIGHT, 0, 0, 0},  WIDTH, u8g_dev_ssd1327_96x96_2x_buf}; 
-u8g_dev_t u8g_dev_ssd1327_96x96_2x_gr_sw_spi = { u8g_dev_ssd1327_96x96_2x_gr_fn, &u8g_dev_ssd1327_96x96_2x_pb, U8G_COM_SW_SPI };
-u8g_dev_t u8g_dev_ssd1327_96x96_2x_gr_hw_spi = { u8g_dev_ssd1327_96x96_2x_gr_fn, &u8g_dev_ssd1327_96x96_2x_pb, U8G_COM_HW_SPI };
-u8g_dev_t u8g_dev_ssd1327_96x96_2x_gr_i2c = { u8g_dev_ssd1327_96x96_2x_gr_fn, &u8g_dev_ssd1327_96x96_2x_pb, U8G_COM_SSD_I2C };
-
-