Displays distance to start location on OLED screen.

Dependencies:   mbed

Revision:
0:972874f31c98
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/u8g_dev_ssd1322_nhd31oled_bw.c	Wed Mar 07 12:49:14 2018 +0000
@@ -0,0 +1,336 @@
+/*
+
+  u8g_dev_ssd1322_nhd31oled_bw.c
+  
+  1-Bit (BW) Driver for SSD1322 Controller (OLED Display)
+  Tested with NHD-3.12-25664
+
+  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"
+
+/* width must be multiple of 8, largest value is 248 unless u8g 16 bit mode is enabled */
+#if defined(U8G_16BIT)
+#define WIDTH 256
+#else
+#define WIDTH 248
+#endif
+#define HEIGHT 64
+#define PAGE_HEIGHT 8
+
+/* 
+  http://www.newhavendisplay.com/app_notes/OLED_25664.txt 
+  http://www.newhavendisplay.com/forum/viewtopic.php?f=15&t=3758
+*/
+
+static const uint8_t u8g_dev_ssd1322_1bit_nhd_312_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 */
+  
+  U8G_ESC_DLY(100),             /* delay 100 ms */
+  U8G_ESC_DLY(100),             /* delay 100 ms */
+  
+  U8G_ESC_ADR(0),               	/* instruction mode */
+  0x0fd,					/* lock command */
+  U8G_ESC_ADR(1),               	/* data mode */
+  0x012,					/* unlock */
+  
+  U8G_ESC_ADR(0),               	/* instruction mode */
+  0x0ae,                               	 /* display off, sleep mode */
+  
+  U8G_ESC_ADR(0),               	/* instruction mode */
+  0x0b3, 
+  U8G_ESC_ADR(1),               	/* data mode */
+  0x091,                    /* set display clock divide ratio/oscillator frequency (set clock as 80 frames/sec) */
+  
+  U8G_ESC_ADR(0),               	/* instruction mode */
+  0x0ca, 					/* multiplex ratio */
+  U8G_ESC_ADR(1),               	/* data mode */
+  0x03f,                    		/* 1/64 Duty (0x0F~0x3F) */
+  
+  U8G_ESC_ADR(0),               	/* instruction mode */
+  0x0a2, 
+  U8G_ESC_ADR(1),               	/* data mode */
+  0x000,                     		/* display offset, shift mapping ram counter */
+
+  U8G_ESC_ADR(0),               	/* instruction mode */
+  0x0a1, 
+  U8G_ESC_ADR(1),               	/* data mode */
+  0x000,                     		/* display start line */
+
+  U8G_ESC_ADR(0),               	/* instruction mode */
+  0x0a0, 					/* Set Re-Map / Dual COM Line Mode */
+  U8G_ESC_ADR(1),               	/* data mode */
+  0x014, 					/* was 0x014 */                     		
+  0x011, 					/* was 0x011 */	
+
+  U8G_ESC_ADR(0),               	/* instruction mode */
+  0x0ab, 
+  U8G_ESC_ADR(1),               	/* data mode */
+  0x001,                     		/* Enable Internal VDD Regulator */
+
+  U8G_ESC_ADR(0),               	/* instruction mode */
+  0x0b4, 					/* Display Enhancement A */
+  U8G_ESC_ADR(1),               	/* data mode */
+  0x0a0,                     		
+  0x005|0x0fd,                     		
+  
+  U8G_ESC_ADR(0),               	/* instruction mode */
+  0x0c1,					/* contrast */ 
+  U8G_ESC_ADR(1),               	/* data mode */
+  0x09f,                     		
+  
+  U8G_ESC_ADR(0),               	/* instruction mode */
+  0x0c7,					/* Set Scale Factor of Segment Output Current Control */ 
+  U8G_ESC_ADR(1),               	/* data mode */
+  0x00f,                     		
+
+  U8G_ESC_ADR(0),               	/* instruction mode */
+  0x0b9,                               	 /* linear gray scale */
+
+  U8G_ESC_ADR(0),               	/* instruction mode */
+  0x0b1,					/* Phase 1 (Reset) & Phase 2 (Pre-Charge) Period Adjustment */ 
+  U8G_ESC_ADR(1),               	/* data mode */
+  0x0e2,                     		
+
+  U8G_ESC_ADR(0),               	/* instruction mode */
+  0x0d1, 					/* Display Enhancement B */
+  U8G_ESC_ADR(1),               	/* data mode */
+  0x082|0x020,                     		
+  0x020,                     		
+
+  U8G_ESC_ADR(0),               	/* instruction mode */
+  0x0bb,					/* precharge  voltage */ 
+  U8G_ESC_ADR(1),               	/* data mode */
+  0x01f,                     		
+  
+  U8G_ESC_ADR(0),               	/* instruction mode */
+  0x0b6,					/* precharge period */ 
+  U8G_ESC_ADR(1),               	/* data mode */
+  0x008,                     		
+
+  U8G_ESC_ADR(0),               	/* instruction mode */
+  0x0be,					/* vcomh */ 
+  U8G_ESC_ADR(1),               	/* data mode */
+  0x007,                     		
+
+  U8G_ESC_ADR(0),               	/* instruction mode */
+  0x0a6,                               	 /* normal display */
+
+  U8G_ESC_ADR(0),               	/* instruction mode */
+  0x0a9,                               	 /* exit partial display */
+
+  U8G_ESC_ADR(0),               	/* instruction mode */
+  0x0af,                               	 /* display on */
+
+
+  U8G_ESC_CS(0),             /* disable chip */
+  U8G_ESC_END                /* end of sequence */
+};
+
+static const uint8_t u8g_dev_ssd1322_1bit_nhd_312_prepare_page_seq[] PROGMEM = {
+  U8G_ESC_ADR(0),               /* instruction mode */
+  U8G_ESC_CS(1),                /* enable chip */
+  0x015,       /* column address... */
+  U8G_ESC_ADR(1),               /* data mode */
+  0x01c,       /* start at column 0 */
+  0x05b,       /* end column */
+  U8G_ESC_ADR(0),               /* instruction mode */
+  0x075,       /* row address... */
+  U8G_ESC_ADR(1),               /* data mode */
+  U8G_ESC_END                /* end of sequence */
+};
+
+static void u8g_dev_ssd1322_1bit_prepare_row(u8g_t *u8g, u8g_dev_t *dev, uint8_t delta_row)
+{
+  uint8_t row = ((u8g_pb_t *)(dev->dev_mem))->p.page;
+  
+  row *= ((u8g_pb_t *)(dev->dev_mem))->p.page_height;
+  row += delta_row;
+  
+  u8g_WriteEscSeqP(u8g, dev, u8g_dev_ssd1322_1bit_nhd_312_prepare_page_seq);
+  
+  u8g_WriteByte(u8g, dev, row);       /* start at the selected row */
+  u8g_WriteByte(u8g, dev, row+1);       /* end within the selected row */  
+  
+  u8g_SetAddress(u8g, dev, 0);          /* instruction mode mode */
+  u8g_WriteByte(u8g, dev, 0x05c);       /* write to ram */  
+  u8g_SetAddress(u8g, dev, 1);          /* data mode */
+}
+
+static const uint8_t u8g_dev_ssd13xx_sleep_on[] PROGMEM = {
+  U8G_ESC_ADR(0),           /* instruction mode */
+  U8G_ESC_CS(1),             /* enable chip */
+  0x0ae,		/* display off */      
+  U8G_ESC_CS(1),             /* disable chip */
+  U8G_ESC_END                /* end of sequence */
+};
+
+static const uint8_t u8g_dev_ssd13xx_sleep_off[] PROGMEM = {
+  U8G_ESC_ADR(0),           /* instruction mode */
+  U8G_ESC_CS(1),             /* enable chip */
+  0x0af,		/* display on */      
+  U8G_ESC_DLY(50),       /* delay 50 ms */
+  U8G_ESC_CS(1),             /* disable chip */
+  U8G_ESC_END                /* end of sequence */
+};
+
+
+uint8_t u8g_dev_ssd1322_nhd31oled_bw_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_ssd1322_1bit_nhd_312_init_seq);
+      break;
+    case U8G_DEV_MSG_STOP:
+      break;
+    case U8G_DEV_MSG_PAGE_NEXT:
+      {
+	uint8_t i;
+	u8g_pb_t *pb = (u8g_pb_t *)(dev->dev_mem);
+	uint8_t *p = pb->buf;
+	u8g_uint_t cnt;
+	cnt = pb->width;
+	cnt >>= 3;
+
+	for( i = 0; i < pb->p.page_height; i++ )
+	{
+	  u8g_dev_ssd1322_1bit_prepare_row(u8g, dev, i);  /* this will also enable chip select */
+#if !defined(U8G_16BIT)
+	  u8g_WriteByte(u8g, dev, 0x0ff);
+	  u8g_WriteByte(u8g, dev, 0x0ff);
+#endif
+	  u8g_WriteSequenceBWTo16GrDevice(u8g, dev, cnt, p);
+#if !defined(U8G_16BIT)
+	  u8g_WriteByte(u8g, dev, 0x0ff);
+	  u8g_WriteByte(u8g, dev, 0x0ff);
+#endif
+	  u8g_SetChipSelect(u8g, dev, 0);        
+	  p+=cnt;
+	}
+      }
+      break;
+    case U8G_DEV_MSG_CONTRAST:
+      u8g_SetChipSelect(u8g, dev, 1);
+      u8g_SetAddress(u8g, dev, 0);          /* instruction mode */
+      u8g_WriteByte(u8g, dev, 0x081);
+      u8g_SetAddress(u8g, dev, 1);          /* data mode */
+      u8g_WriteByte(u8g, dev, (*(uint8_t *)arg) >> 1);
+      u8g_SetChipSelect(u8g, dev, 0);      
+      break;
+    case U8G_DEV_MSG_SLEEP_ON:
+      u8g_WriteEscSeqP(u8g, dev, u8g_dev_ssd13xx_sleep_on);    
+      return 1;
+    case U8G_DEV_MSG_SLEEP_OFF:
+      u8g_WriteEscSeqP(u8g, dev, u8g_dev_ssd13xx_sleep_off);    
+      return 1;
+  }
+  return u8g_dev_pb8h1_base_fn(u8g, dev, msg, arg);
+}
+
+
+uint8_t u8g_dev_ssd1322_nhd31oled_2x_bw_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_ssd1322_1bit_nhd_312_init_seq);
+      break;
+    case U8G_DEV_MSG_STOP:
+      break;
+    case U8G_DEV_MSG_PAGE_NEXT:
+      {
+	uint8_t i;
+	u8g_pb_t *pb = (u8g_pb_t *)(dev->dev_mem);
+	uint8_t *p = pb->buf;
+	u8g_uint_t cnt;
+	cnt = pb->width;
+	cnt >>= 3;
+
+	for( i = 0; i < pb->p.page_height; i++ )
+	{
+	  u8g_dev_ssd1322_1bit_prepare_row(u8g, dev, i);		/* this will also enable chip select */
+#if !defined(U8G_16BIT)
+	  u8g_WriteByte(u8g, dev, 0x0ff);
+	  u8g_WriteByte(u8g, dev, 0x0ff);
+#endif
+	  u8g_WriteSequenceBWTo16GrDevice(u8g, dev, cnt, p);
+#if !defined(U8G_16BIT)
+	  u8g_WriteByte(u8g, dev, 0x0ff);
+	  u8g_WriteByte(u8g, dev, 0x0ff);
+#endif
+	  u8g_SetChipSelect(u8g, dev, 0);        
+	  p+=cnt;
+	}
+      }
+      break;
+    case U8G_DEV_MSG_CONTRAST:
+      u8g_SetChipSelect(u8g, dev, 1);
+      u8g_SetAddress(u8g, dev, 0);          /* instruction mode */
+      u8g_WriteByte(u8g, dev, 0x0c1);	/* 21 May 2013, fixed contrast command */
+      u8g_SetAddress(u8g, dev, 1);          /* data mode */
+      u8g_WriteByte(u8g, dev, (*(uint8_t *)arg) >> 1);
+      u8g_SetChipSelect(u8g, dev, 0);      
+      break;
+    case U8G_DEV_MSG_SLEEP_ON:
+      u8g_WriteEscSeqP(u8g, dev, u8g_dev_ssd13xx_sleep_on);    
+      return 1;
+    case U8G_DEV_MSG_SLEEP_OFF:
+      u8g_WriteEscSeqP(u8g, dev, u8g_dev_ssd13xx_sleep_off);    
+      return 1;
+  }
+  return u8g_dev_pb16h1_base_fn(u8g, dev, msg, arg);
+}
+
+
+U8G_PB_DEV(u8g_dev_ssd1322_nhd31oled_bw_sw_spi , WIDTH, HEIGHT, PAGE_HEIGHT, u8g_dev_ssd1322_nhd31oled_bw_fn, U8G_COM_SW_SPI);
+U8G_PB_DEV(u8g_dev_ssd1322_nhd31oled_bw_hw_spi , WIDTH, HEIGHT, PAGE_HEIGHT, u8g_dev_ssd1322_nhd31oled_bw_fn, U8G_COM_HW_SPI);
+U8G_PB_DEV(u8g_dev_ssd1322_nhd31oled_bw_parallel , WIDTH, HEIGHT, PAGE_HEIGHT, u8g_dev_ssd1322_nhd31oled_bw_fn, U8G_COM_FAST_PARALLEL);
+
+#define DWIDTH (WIDTH*2)
+uint8_t u8g_dev_ssd1322_nhd31oled_2x_bw_buf[DWIDTH] U8G_NOCOMMON ; 
+u8g_pb_t u8g_dev_ssd1322_nhd31oled_2x_bw_pb = { {16, HEIGHT, 0, 0, 0},  WIDTH, u8g_dev_ssd1322_nhd31oled_2x_bw_buf}; 
+u8g_dev_t u8g_dev_ssd1322_nhd31oled_2x_bw_sw_spi = { u8g_dev_ssd1322_nhd31oled_2x_bw_fn, &u8g_dev_ssd1322_nhd31oled_2x_bw_pb, U8G_COM_SW_SPI };
+u8g_dev_t u8g_dev_ssd1322_nhd31oled_2x_bw_hw_spi = { u8g_dev_ssd1322_nhd31oled_2x_bw_fn, &u8g_dev_ssd1322_nhd31oled_2x_bw_pb, U8G_COM_HW_SPI };
+
+