SSD1306: Rename ssd1306_helpers.h to ssd1306.h. Move all SSD1306 driver definitions from ssd1306_base.c to ssd1306.h
This commit is contained in:
Gregory Nutt
parent
e803ffa082
commit
8580d37352
271
drivers/lcd/ssd1306.h
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271
drivers/lcd/ssd1306.h
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@ -0,0 +1,271 @@
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/**************************************************************************************
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* drivers/lcd/ssd1306.h
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*
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* Copyright (C) 2015 Alan Carvalho de Assis
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* Author: Alan Carvalho de Assis <acassis@gmail.com>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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**************************************************************************************/
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#ifndef __DRIVERS_LCD_SSD1306_H
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#define __DRIVERS_LCD_SSD1306_H 1
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/**************************************************************************************
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* Included Files
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**************************************************************************************/
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#include <nuttx/config.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <nuttx/lcd/lcd.h>
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#include <nuttx/lcd/ssd1306.h>
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/**************************************************************************************
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* Pre-processor Definitions
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**************************************************************************************/
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/* Configuration **********************************************************************/
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/* Limitations of the current configuration that I hope to fix someday */
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#ifndef CONFIG_SSD1306_NINTERFACES
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# define CONFIG_SSD1306_NINTERFACES 1
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#endif
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#if CONFIG_SSD1306_NINTERFACES != 1
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# warning "This implementation supports only a single SSD1306 device"
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# undef CONFIG_SSD1306_NINTERFACES
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# define CONFIG_SSD1306_NINTERFACES 1
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#endif
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#if !defined(CONFIG_LCD_UG2864HSWEG01) && !defined(CONFIG_LCD_UG2832HSWEG04)
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# error "Unknown and unsupported SSD1306 LCD"
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#endif
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#if defined(CONFIG_LCD_PORTRAIT) || defined(CONFIG_LCD_RPORTRAIT)
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# warning "No support for portrait modes"
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# undef CONFIG_LCD_LANDSCAPE
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# define CONFIG_LCD_LANDSCAPE 1
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# undef CONFIG_LCD_PORTRAIT
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# undef CONFIG_LCD_RLANDSCAPE
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# undef CONFIG_LCD_RPORTRAIT
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#endif
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/* SSD1306 Commands *******************************************************************/
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#define SSD1306_SETCOLL(ad) (0x00 | ((ad) & 0x0f)) /* Set Lower Column Address: (00h - 0fh) */
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#define SSD1306_SETCOLH(ad) (0x10 | ((ad) & 0x0f)) /* Set Higher Column Address: (10h - 1fh) */
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#define SSD1306_STARTLINE(ln) (0x40 | ((ln) & 0x3f)) /* Set Display Start Line: (40h - 7fh) */
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#define SSD1306_CONTRAST_MODE (0x81) /* Set Contrast Control Register: (Double Bytes Command) */
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# define SSD1306_CONTRAST(c) (c)
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#define SSD1306_SEGREMAP(m) (0xa0 | ((m) & 0x01)) /* Set Segment Re-map: (a0h - a1h) */
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# define SSD1306_REMAPRIGHT SSD1306_SEGREMAP(0) /* Right rotation */
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# define SSD1306_REMAPPLEFT SSD1306_SEGREMAP(1) /* Left rotation */
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#define SSD1306_EDISPOFFON(s) (0xa4 | ((s) & 0x01)) /* Set Entire Display OFF/ON: (a4h - a5h) */
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# define SSD1306_EDISPOFF SSD1306_EDISPOFFON(0) /* Display off */
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# define SSD1306_EDISPON SSD1306_EDISPOFFON(1) /* Display on */
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#define SSD1306_NORMREV(s) (0xa6 | ((s) & 0x01)) /* Set Normal/Reverse Display: (a6h -a7h) */
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# define SSD1306_NORMAL SSD1306_NORMREV(0) /* Normal display */
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# define SSD1306_REVERSE SSD1306_NORMREV(1) /* Reverse display */
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#define SSD1306_MRATIO_MODE (0xa8) /* Set Multiplex Ration: (Double Bytes Command) */
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# define SSD1306_MRATIO(d) ((d) & 0x3f)
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#define SSD1306_DCDC_MODE (0xad) /* Set DC-DC OFF/ON: (Double Bytes Command) */
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# define SSD1306_DCDC_OFF (0x8a)
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# define SSD1306_DCDC_ON (0x8b)
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#define SSD1306_DISPOFFON(s) (0xae | ((s) & 0x01)) /* Display OFF/ON: (aeh - afh) */
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# define SSD1306_DISPOFF SSD1306_DISPOFFON(0) /* Display off */
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# define SSD1306_DISPON SSD1306_DISPOFFON(1) /* Display on */
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#define SSD1306_PAGEADDR(a) (0xb0 | ((a) & 0x0f)) /* Set Page Address: (b0h - b7h) */
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#define SSD1306_SCANDIR(d) (0xc0 | ((d) & 0x08)) /* Set Common Output Scan Direction: (c0h - c8h) */
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# define SSD1306_SCANFROMCOM0 SSD1306_SCANDIR(0x00) /* Scan from COM[0] to COM[n-1]*/
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# define SSD1306_SCANTOCOM0 SSD1306_SCANDIR(0x08) /* Scan from COM[n-1] to COM[0] */
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#define SSD1306_DISPOFFS_MODE (0xd3) /* Set Display Offset: (Double Bytes Command) */
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# define SSD1306_DISPOFFS(o) ((o) & 0x3f)
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#define SSD1306_CLKDIV_SET (0xd5) /* Set Display Clock Divide Ratio/Oscillator Frequency: (Double Bytes Command) */
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# define SSD1306_CLKDIV(f,d) ((((f) & 0x0f) << 4) | ((d) & 0x0f))
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#define SSD1306_CHRGPER_SET (0xd9) /* Set Dis-charge/Pre-charge Period: (Double Bytes Command) */
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# define SSD1306_CHRGPER(d,p) ((((d) & 0x0f) << 4) | ((p) & 0x0f))
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#define SSD1306_CMNPAD_CONFIG (0xda) /* Set Common pads hardware configuration: (Double Bytes Command) */
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# define SSD1306_CMNPAD(c) ((0x02) | ((c) & 0x10))
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#define SSD1306_VCOM_SET (0xdb) /* Set VCOM Deselect Level: (Double Byte Command) */
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# define SSD1306_VCOM(v) (v)
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#define SSD1306_CHRPUMP_SET (0x8d) /* Charge Pump Setting */
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# define SSD1306_CHRPUMP_ON (0x14)
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# define SSD1306_CHRPUMP_OFF (0x10)
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#define SSD1306_RMWSTART (0xe0) /* Read-Modify-Write: (e0h) */
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#define SSD1306_NOP (0xe3) /* NOP: (e3h) */
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#define SSD1306_END (0xee) /* End: (eeh) */
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#define SSD1306_WRDATA(d) (d) /* Write Display Data */
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#define SSD1306_STATUS_BUSY (0x80) /* Read Status */
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#define SSD1306_STATUS_ONOFF (0x40)
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#define SSD1306_RDDATA(d) (d) /* Read Display Data */
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/* Color Properties *******************************************************************/
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/* Display Resolution
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*
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* The SSD1306 display controller can handle a resolution of 132x64. The UG-2864HSWEG01
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* on the base board is 128x64; the UG-2832HSWEG04 is 128x32.
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*/
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#if defined(CONFIG_LCD_UG2864HSWEG01)
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# define SSD1306_DEV_NATIVE_XRES 128 /* Only 128 of 131 columns used */
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# define SSD1306_DEV_NATIVE_YRES 64 /* 8 pages each 8 rows */
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# define SSD1306_DEV_XOFFSET 2 /* Offset to logical column 0 */
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# define SSD1306_DEV_PAGES 8 /* 8 pages */
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# define SSD1306_DEV_CMNPAD 0x12 /* COM configuration */
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#elif defined(CONFIG_LCD_UG2832HSWEG04)
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# define SSD1306_DEV_NATIVE_XRES 128 /* Only 128 of 131 columns used */
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# define SSD1306_DEV_NATIVE_YRES 32 /* 4 pages each 8 rows */
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# define SSD1306_DEV_XOFFSET 2 /* Offset to logical column 0 */
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# define SSD1306_DEV_PAGES 4 /* 4 pages */
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# define SSD1306_DEV_CMNPAD 0x02 /* COM configuration */
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#endif
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#if defined(CONFIG_LCD_LANDSCAPE) || defined(CONFIG_LCD_RLANDSCAPE)
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# define SSD1306_DEV_XRES SSD1306_DEV_NATIVE_XRES
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# define SSD1306_DEV_YRES SSD1306_DEV_NATIVE_YRES
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#else
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# define SSD1306_DEV_XRES SSD1306_DEV_NATIVE_YRES
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# define SSD1306_DEV_YRES SSD1306_DEV_NATIVE_XRES
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#endif
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#define SSD1306_DEV_DUTY (SSD1306_DEV_NATIVE_YRES-1)
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/* Bytes per logical row and actual device row */
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#define SSD1306_DEV_XSTRIDE (SSD1306_DEV_XRES >> 3)
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#define SSD1306_DEV_YSTRIDE (SSD1306_DEV_YRES >> 3)
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/* Color depth and format */
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#define SSD1306_DEV_BPP 1
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#define SSD1306_DEV_COLORFMT FB_FMT_Y1
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/* Default contrast */
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#define SSD1306_DEV_CONTRAST (128)
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/* The size of the shadow frame buffer or one row buffer.
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*
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* Frame buffer size: 128 columns x 64 rows / 8 bits-per-pixel
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* Row size: 128 columns x 8 rows-per-page / 8 bits-per-pixel
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*/
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#define SSD1306_DEV_FBSIZE (SSD1306_DEV_XSTRIDE * SSD1306_DEV_YRES)
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#define SSD1306_DEV_ROWSIZE (SSD1306_DEV_XSTRIDE)
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/* Orientation. There seem to be device differences. */
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#if defined(CONFIG_LCD_UG2864HSWEG01)
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# if defined(CONFIG_LCD_LANDSCAPE)
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# undef SSD1306_DEV_REVERSEX
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# undef SSD1306_DEV_REVERSEY
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# elif defined(CONFIG_LCD_RLANDSCAPE)
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# define SSD1306_DEV_REVERSEX 1
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# define SSD1306_DEV_REVERSEY 1
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# endif
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#elif defined(CONFIG_LCD_UG2832HSWEG04)
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# if defined(CONFIG_LCD_LANDSCAPE)
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# define SSD1306_DEV_REVERSEX 1
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# undef SSD1306_DEV_REVERSEY
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# elif defined(CONFIG_LCD_RLANDSCAPE)
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# undef SSD1306_DEV_REVERSEX
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# define SSD1306_DEV_REVERSEY 1
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# endif
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#endif
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/* Bit helpers */
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#define LS_BIT (1 << 0)
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#define MS_BIT (1 << 7)
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/* Debug ******************************************************************************/
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#ifdef CONFIG_DEBUG_LCD
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# define lcddbg(format, ...) dbg(format, ##__VA_ARGS__)
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# define lcdvdbg(format, ...) vdbg(format, ##__VA_ARGS__)
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#else
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# define lcddbg(x...)
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# define lcdvdbg(x...)
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#endif
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/**************************************************************************************
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* Public Type Definition
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**************************************************************************************/
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/* This structure describes the state of the SSD1306 driver */
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struct ssd1306_dev_s
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{
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struct lcd_dev_s dev; /* Publicly visible device structure */
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/* Private LCD-specific information follows */
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#ifdef CONFIG_LCD_SSD1306_SPI
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FAR struct spi_dev_s *spi; /* Cached SPI device reference */
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#else
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FAR struct i2c_dev_s *i2c; /* Cached SPI device reference */
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#endif
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uint8_t contrast; /* Current contrast setting */
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bool on; /* true: display is on */
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/* The SSD1306 does not support reading from the display memory in SPI mode.
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* Since there is 1 BPP and access is byte-by-byte, it is necessary to keep
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* a shadow copy of the framebuffer memory. At 128x64, this amounts to 1KB.
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*/
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uint8_t fb[SSD1306_DEV_FBSIZE];
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};
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/**************************************************************************************
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* Public Function Prototypes
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**************************************************************************************/
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void ssd1306_sendbyte(FAR struct ssd1306_dev_s *priv, uint8_t regval);
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void ssd1306_sendblk(FAR struct ssd1306_dev_s *priv, uint8_t *data, uint8_t len);
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#ifdef CONFIG_LCD_SSD1306_SPI
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void ssd1306_select(FAR struct ssd1306_dev_s *priv, bool cs);
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void ssd1306_cmddata(FAR struct ssd1306_dev_s *priv, bool cmd);
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#ifndef CONFIG_SPI_OWNBUS
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static inline void ssd1306_configspi(FAR struct spi_dev_s *spi)
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#endif
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#else
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# define ssd1306_select(priv, cs)
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# define ssd1306_cmddata(priv, cmd)
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# define ssd1306_configspi(spi)
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#endif
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#endif /* __DRIVERS_LCD_SSD1306_H */
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@ -136,209 +136,10 @@
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#include <arch/irq.h>
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#include "ssd1306_helpers.h"
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#include "ssd1306.h"
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#ifdef CONFIG_LCD_SSD1306
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/**************************************************************************************
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* Pre-processor Definitions
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**************************************************************************************/
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/* Configuration **********************************************************************/
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/* Limitations of the current configuration that I hope to fix someday */
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#ifndef CONFIG_SSD1306_NINTERFACES
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# define CONFIG_SSD1306_NINTERFACES 1
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#endif
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#if CONFIG_SSD1306_NINTERFACES != 1
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# warning "This implementation supports only a single SSD1306 device"
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# undef CONFIG_SSD1306_NINTERFACES
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# define CONFIG_SSD1306_NINTERFACES 1
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#endif
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#if !defined(CONFIG_LCD_UG2864HSWEG01) && !defined(CONFIG_LCD_UG2832HSWEG04)
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# error "Unknown and unsupported SSD1306 LCD"
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#endif
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#if defined(CONFIG_LCD_PORTRAIT) || defined(CONFIG_LCD_RPORTRAIT)
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# warning "No support for portrait modes"
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# undef CONFIG_LCD_LANDSCAPE
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# define CONFIG_LCD_LANDSCAPE 1
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# undef CONFIG_LCD_PORTRAIT
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# undef CONFIG_LCD_RLANDSCAPE
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# undef CONFIG_LCD_RPORTRAIT
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#endif
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/* SSD1306 Commands *******************************************************************/
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#define SSD1306_SETCOLL(ad) (0x00 | ((ad) & 0x0f)) /* Set Lower Column Address: (00h - 0fh) */
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#define SSD1306_SETCOLH(ad) (0x10 | ((ad) & 0x0f)) /* Set Higher Column Address: (10h - 1fh) */
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#define SSD1306_STARTLINE(ln) (0x40 | ((ln) & 0x3f)) /* Set Display Start Line: (40h - 7fh) */
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#define SSD1306_CONTRAST_MODE (0x81) /* Set Contrast Control Register: (Double Bytes Command) */
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# define SSD1306_CONTRAST(c) (c)
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#define SSD1306_SEGREMAP(m) (0xa0 | ((m) & 0x01)) /* Set Segment Re-map: (a0h - a1h) */
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# define SSD1306_REMAPRIGHT SSD1306_SEGREMAP(0) /* Right rotation */
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# define SSD1306_REMAPPLEFT SSD1306_SEGREMAP(1) /* Left rotation */
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#define SSD1306_EDISPOFFON(s) (0xa4 | ((s) & 0x01)) /* Set Entire Display OFF/ON: (a4h - a5h) */
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# define SSD1306_EDISPOFF SSD1306_EDISPOFFON(0) /* Display off */
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# define SSD1306_EDISPON SSD1306_EDISPOFFON(1) /* Display on */
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#define SSD1306_NORMREV(s) (0xa6 | ((s) & 0x01)) /* Set Normal/Reverse Display: (a6h -a7h) */
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# define SSD1306_NORMAL SSD1306_NORMREV(0) /* Normal display */
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# define SSD1306_REVERSE SSD1306_NORMREV(1) /* Reverse display */
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#define SSD1306_MRATIO_MODE (0xa8) /* Set Multiplex Ration: (Double Bytes Command) */
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# define SSD1306_MRATIO(d) ((d) & 0x3f)
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#define SSD1306_DCDC_MODE (0xad) /* Set DC-DC OFF/ON: (Double Bytes Command) */
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# define SSD1306_DCDC_OFF (0x8a)
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# define SSD1306_DCDC_ON (0x8b)
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#define SSD1306_DISPOFFON(s) (0xae | ((s) & 0x01)) /* Display OFF/ON: (aeh - afh) */
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# define SSD1306_DISPOFF SSD1306_DISPOFFON(0) /* Display off */
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# define SSD1306_DISPON SSD1306_DISPOFFON(1) /* Display on */
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#define SSD1306_PAGEADDR(a) (0xb0 | ((a) & 0x0f)) /* Set Page Address: (b0h - b7h) */
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#define SSD1306_SCANDIR(d) (0xc0 | ((d) & 0x08)) /* Set Common Output Scan Direction: (c0h - c8h) */
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# define SSD1306_SCANFROMCOM0 SSD1306_SCANDIR(0x00) /* Scan from COM[0] to COM[n-1]*/
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# define SSD1306_SCANTOCOM0 SSD1306_SCANDIR(0x08) /* Scan from COM[n-1] to COM[0] */
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#define SSD1306_DISPOFFS_MODE (0xd3) /* Set Display Offset: (Double Bytes Command) */
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# define SSD1306_DISPOFFS(o) ((o) & 0x3f)
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#define SSD1306_CLKDIV_SET (0xd5) /* Set Display Clock Divide Ratio/Oscillator Frequency: (Double Bytes Command) */
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# define SSD1306_CLKDIV(f,d) ((((f) & 0x0f) << 4) | ((d) & 0x0f))
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#define SSD1306_CHRGPER_SET (0xd9) /* Set Dis-charge/Pre-charge Period: (Double Bytes Command) */
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# define SSD1306_CHRGPER(d,p) ((((d) & 0x0f) << 4) | ((p) & 0x0f))
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#define SSD1306_CMNPAD_CONFIG (0xda) /* Set Common pads hardware configuration: (Double Bytes Command) */
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# define SSD1306_CMNPAD(c) ((0x02) | ((c) & 0x10))
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#define SSD1306_VCOM_SET (0xdb) /* Set VCOM Deselect Level: (Double Byte Command) */
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# define SSD1306_VCOM(v) (v)
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#define SSD1306_CHRPUMP_SET (0x8d) /* Charge Pump Setting */
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# define SSD1306_CHRPUMP_ON (0x14)
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# define SSD1306_CHRPUMP_OFF (0x10)
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#define SSD1306_RMWSTART (0xe0) /* Read-Modify-Write: (e0h) */
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#define SSD1306_NOP (0xe3) /* NOP: (e3h) */
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#define SSD1306_END (0xee) /* End: (eeh) */
|
||||
|
||||
#define SSD1306_WRDATA(d) (d) /* Write Display Data */
|
||||
#define SSD1306_STATUS_BUSY (0x80) /* Read Status */
|
||||
#define SSD1306_STATUS_ONOFF (0x40)
|
||||
#define SSD1306_RDDATA(d) (d) /* Read Display Data */
|
||||
|
||||
/* Color Properties *******************************************************************/
|
||||
/* Display Resolution
|
||||
*
|
||||
* The SSD1306 display controller can handle a resolution of 132x64. The UG-2864HSWEG01
|
||||
* on the base board is 128x64; the UG-2832HSWEG04 is 128x32.
|
||||
*/
|
||||
|
||||
#if defined(CONFIG_LCD_UG2864HSWEG01)
|
||||
# define SSD1306_DEV_NATIVE_XRES 128 /* Only 128 of 131 columns used */
|
||||
# define SSD1306_DEV_NATIVE_YRES 64 /* 8 pages each 8 rows */
|
||||
# define SSD1306_DEV_XOFFSET 2 /* Offset to logical column 0 */
|
||||
# define SSD1306_DEV_PAGES 8 /* 8 pages */
|
||||
# define SSD1306_DEV_CMNPAD 0x12 /* COM configuration */
|
||||
#elif defined(CONFIG_LCD_UG2832HSWEG04)
|
||||
# define SSD1306_DEV_NATIVE_XRES 128 /* Only 128 of 131 columns used */
|
||||
# define SSD1306_DEV_NATIVE_YRES 32 /* 4 pages each 8 rows */
|
||||
# define SSD1306_DEV_XOFFSET 2 /* Offset to logical column 0 */
|
||||
# define SSD1306_DEV_PAGES 4 /* 4 pages */
|
||||
# define SSD1306_DEV_CMNPAD 0x02 /* COM configuration */
|
||||
#endif
|
||||
|
||||
#if defined(CONFIG_LCD_LANDSCAPE) || defined(CONFIG_LCD_RLANDSCAPE)
|
||||
# define SSD1306_DEV_XRES SSD1306_DEV_NATIVE_XRES
|
||||
# define SSD1306_DEV_YRES SSD1306_DEV_NATIVE_YRES
|
||||
#else
|
||||
# define SSD1306_DEV_XRES SSD1306_DEV_NATIVE_YRES
|
||||
# define SSD1306_DEV_YRES SSD1306_DEV_NATIVE_XRES
|
||||
#endif
|
||||
|
||||
#define SSD1306_DEV_DUTY (SSD1306_DEV_NATIVE_YRES-1)
|
||||
|
||||
/* Bytes per logical row and actual device row */
|
||||
|
||||
#define SSD1306_DEV_XSTRIDE (SSD1306_DEV_XRES >> 3)
|
||||
#define SSD1306_DEV_YSTRIDE (SSD1306_DEV_YRES >> 3)
|
||||
|
||||
/* Color depth and format */
|
||||
|
||||
#define SSD1306_DEV_BPP 1
|
||||
#define SSD1306_DEV_COLORFMT FB_FMT_Y1
|
||||
|
||||
/* Default contrast */
|
||||
|
||||
#define SSD1306_DEV_CONTRAST (128)
|
||||
|
||||
/* The size of the shadow frame buffer or one row buffer.
|
||||
*
|
||||
* Frame buffer size: 128 columns x 64 rows / 8 bits-per-pixel
|
||||
* Row size: 128 columns x 8 rows-per-page / 8 bits-per-pixel
|
||||
*/
|
||||
|
||||
#define SSD1306_DEV_FBSIZE (SSD1306_DEV_XSTRIDE * SSD1306_DEV_YRES)
|
||||
#define SSD1306_DEV_ROWSIZE (SSD1306_DEV_XSTRIDE)
|
||||
|
||||
/* Orientation. There seem to be device differences. */
|
||||
|
||||
#if defined(CONFIG_LCD_UG2864HSWEG01)
|
||||
# if defined(CONFIG_LCD_LANDSCAPE)
|
||||
# undef SSD1306_DEV_REVERSEX
|
||||
# undef SSD1306_DEV_REVERSEY
|
||||
# elif defined(CONFIG_LCD_RLANDSCAPE)
|
||||
# define SSD1306_DEV_REVERSEX 1
|
||||
# define SSD1306_DEV_REVERSEY 1
|
||||
# endif
|
||||
#elif defined(CONFIG_LCD_UG2832HSWEG04)
|
||||
# if defined(CONFIG_LCD_LANDSCAPE)
|
||||
# define SSD1306_DEV_REVERSEX 1
|
||||
# undef SSD1306_DEV_REVERSEY
|
||||
# elif defined(CONFIG_LCD_RLANDSCAPE)
|
||||
# undef SSD1306_DEV_REVERSEX
|
||||
# define SSD1306_DEV_REVERSEY 1
|
||||
# endif
|
||||
#endif
|
||||
|
||||
/* Bit helpers */
|
||||
|
||||
#define LS_BIT (1 << 0)
|
||||
#define MS_BIT (1 << 7)
|
||||
|
||||
/* Debug ******************************************************************************/
|
||||
|
||||
#ifdef CONFIG_DEBUG_LCD
|
||||
# define lcddbg(format, ...) dbg(format, ##__VA_ARGS__)
|
||||
# define lcdvdbg(format, ...) vdbg(format, ##__VA_ARGS__)
|
||||
#else
|
||||
# define lcddbg(x...)
|
||||
# define lcdvdbg(x...)
|
||||
#endif
|
||||
|
||||
/**************************************************************************************
|
||||
* Private Type Definition
|
||||
**************************************************************************************/
|
||||
|
||||
/* This structure describes the state of this driver */
|
||||
|
||||
struct ssd1306_dev_s
|
||||
{
|
||||
struct lcd_dev_s dev; /* Publicly visible device structure */
|
||||
|
||||
/* Private LCD-specific information follows */
|
||||
|
||||
#ifdef CONFIG_LCD_SSD1306_SPI
|
||||
FAR struct spi_dev_s *spi; /* Cached SPI device reference */
|
||||
#else
|
||||
FAR struct i2c_dev_s *i2c; /* Cached SPI device reference */
|
||||
#endif
|
||||
uint8_t contrast; /* Current contrast setting */
|
||||
bool on; /* true: display is on */
|
||||
|
||||
/* The SSD1306 does not support reading from the display memory in SPI mode.
|
||||
* Since there is 1 BPP and access is byte-by-byte, it is necessary to keep
|
||||
* a shadow copy of the framebuffer memory. At 128x64, this amounts to 1KB.
|
||||
*/
|
||||
|
||||
uint8_t fb[SSD1306_DEV_FBSIZE];
|
||||
};
|
||||
|
||||
/**************************************************************************************
|
||||
* Private Function Prototypes
|
||||
**************************************************************************************/
|
||||
|
||||
@ -1,52 +0,0 @@
|
||||
/********************************************************************************************
|
||||
* drivers/lcd/ssd1306_helpers.h
|
||||
*
|
||||
* Copyright (C) 2015 Alan Carvalho de Assis
|
||||
* Author: Alan Carvalho de Assis <acassis@gmail.com>
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. 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.
|
||||
* 3. Neither the name NuttX nor the names of its contributors may be
|
||||
* used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* 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 OWNER 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 <nuttx/lcd/ssd1306.h>
|
||||
|
||||
//void ssd1306_sendbyte(FAR struct ssd1306_dev_s *priv, uint8_t regval);
|
||||
//void ssd1306_sendblk(FAR struct ssd1306_dev_s *priv, uint8_t *data, uint8_t len);
|
||||
|
||||
#ifdef CONFIG_LCD_SSD1306_SPI
|
||||
// void ssd1306_select(FAR struct ssd1306_dev_s *priv, bool cs);
|
||||
// void ssd1306_cmddata(FAR struct ssd1306_dev_s *priv, bool cmd);
|
||||
|
||||
# ifndef CONFIG_SPI_OWNBUS
|
||||
// static inline void ssd1306_configspi(FAR struct spi_dev_s *spi)
|
||||
# endif
|
||||
|
||||
#else
|
||||
# define ssd1306_select(priv, cs)
|
||||
# define ssd1306_cmddata(priv, cmd)
|
||||
#endif
|
||||
@ -46,7 +46,7 @@
|
||||
#include <nuttx/kmalloc.h>
|
||||
#include <nuttx/lcd/ssd1306.h>
|
||||
|
||||
#include "ssd1306_helpers.h"
|
||||
#include "ssd1306.h"
|
||||
|
||||
#if defined(CONFIG_LCD_SSD1306) && defined(CONFIG_LCD_UG2864HSWEG01_I2C)
|
||||
|
||||
|
||||
@ -46,7 +46,7 @@
|
||||
#include <nuttx/kmalloc.h>
|
||||
#include <nuttx/lcd/ssd1306.h>
|
||||
|
||||
#include "ssd1306_helpers.h"
|
||||
#include "ssd1306.h"
|
||||
|
||||
#if defined(CONFIG_LCD_UG2864HSWEG01) && defined(CONFIG_LCD_UG2864HSWEG01_SPI)
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user