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nuttx/drivers/lcd/pcf8833.h
patacongo ee04a259db ADS7843E driver is code complete 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4018 42af7a65-404d-4744-a932-0658087f49c3
2011-10-04 17:08:59 +00:00

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/**************************************************************************************
* drivers/lcd/pcf8833.h
* Definitions for the Phillips PCF8833 LCD controller
*
* Copyright (C) 2010 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* References: "Data Sheet, PCF8833 STN RGB 132x132x3 driver," Phillips, 2003 Feb 14.
*
* 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.
*
**************************************************************************************/
#ifndef __DRIVERS_LCD_PCF8833_H
#define __DRIVERS_LCD_PCF8833_H
/**************************************************************************************
* Included Files
**************************************************************************************/
/**************************************************************************************
* Pre-processor Definitions
**************************************************************************************/
/* Pixel format codes */
#define PCF8833_FMT_8BPS (2)
#define PCF8833_FMT_12BPS (3)
#define PCF8833_FMT_16BPS (5)
/* LCD Commands */
#define PCF8833_NOP 0x00 /* No operation; Data: none */
#define PCF8833_SWRESET 0x01 /* Software reset ; Data: none */
#define PCF8833_BSTROFF 0x02 /* Booster voltage off; Data: none */
#define PCF8833_BSTRON 0x03 /* Booster voltage on; Data: none */
#define PCF8833_RDDIDIF 0x04 /* Read display identification; Data: none */
#define PCF8833_RDDST 0x09 /* Read display status; Data: none */
#define PCF8833_SLEEPIN 0x10 /* Sleep_IN; Data: none */
#define PCF8833_SLEEPOUT 0x11 /* Sleep_OUT; Data: none */
#define PCF8833_PTLON 0x12 /* Partial mode on; Data: none */
#define PCF8833_NORON 0x13 /* Normal Display mode on; Data: none */
#define PCF8833_INVOFF 0x20 /* Display inversion off; Data: none */
#define PCF8833_INVON 0x21 /* Display inversion on; Data: none */
#define PCF8833_DALO 0x22 /* All pixel off; Data: none */
#define PCF8833_DAL 0x23 /* All pixel on; Data: none */
#define PCF8833_SETCON 0x25 /* Set contrast; Data: (1) contrast */
#define PCF8833_DISPOFF 0x28 /* Display off; Data: none */
#define PCF8833_DISPON 0x29 /* Display on; Data: none */
#define PCF8833_CASET 0x2a /* Column address set; Data: (1) X start (2) X end */
#define PCF8833_PASET 0x2b /* Page address set Data: (1) Y start (2) Y end */
#define PCF8833_RAMWR 0x2c /* Memory write; Data: (1) write data */
#define PCF8833_RGBSET 0x2d /* Colour set; Data: (1-8) red tones, (9-16) green tones, (17-20) blue tones */
#define PCF8833_PTLAR 0x30 /* Partial area; Data: (1) start address (2) end address */
#define PCF8833_VSCRDEF 0x33 /* Vertical scroll definition; Data: (1) top fixed, (2) scrol area, (3) bottom fixed */
#define PCF8833_TEOFF 0x34 /* Tearing line off; Data: none */
#define PCF8833_TEON 0x35 /* Tearing line on; Data: (1) don't care */
#define PCF8833_MADCTL 0x36 /* Memory data access control; Data: (1) access control settings */
#define PCF8833_SEP 0x37 /* Set Scroll Entry Point; Data: (1) scroll entry point */
#define PCF8833_IDMOFF 0x38 /* Idle mode off; Data: none */
#define PCF8833_IDMON 0x39 /* Idle mode on; Data: none */
#define PCF8833_COLMOD 0x3a /* Interface pixel format; Data: (1) color interface format */
#define PCF8833_SETVOP 0xb0 /* Set VOP; Data: (1) VOP5-8 (2) VOP0-4 */
#define PCF8833_BRS 0xb4 /* Bottom Row Swap; Data: none */
#define PCF8833_TRS 0xb6 /* Top Row Swap; Data: none */
#define PCF8833_FINV 0xb9 /* Super Frame INVersion; Data: none */
#define PCF8833_DOR 0xba /* Data ORder; Data: none */
#define PCF8833_TCDFE 0xbd /* Enable/disable DF temp comp; Data: none */
#define PCF8833_TCVOPE 0xbf /* Enable or disable VOP temp comp; Data: none */
#define PCF8833_EC 0xc0 /* Internal or external oscillator; Data: none */
#define PCF8833_SETMUL 0xc2 /* Set multiplication factor; Data: (1) Multiplication factor */
#define PCF8833_TCVOPAB 0xc3 /* Set TCVOP slopes A and B; Data: (1) SLB and SLA */
#define PCF8833_TCVOPCD 0xc4 /* Set TCVOP slopes C and D; Data: (1) SLD and SLC */
#define PCF8833_TCDF 0xc5 /* Set divider frequency; Data: Divider factor in region (1) A (2) B (3) C (4) D */
#define PCF8833_DF8COLOR 0xc6 /* Set divider frequency 8-colour mode; Data: (1) DF80-6 */
#define PCF8833_SETBS 0xc7 /* Set bias system; Data: (1) Bias systems */
#define PCF8833_RDTEMP 0xc8 /* Temperature read back; Data: none */
#define PCF8833_NLI 0xc9 /* N-Line Inversion; Data: (1) NLI time slots invervsion */
#define PCF8833_RDID1 0xda /* Read ID1; Data: none */
#define PCF8833_RDID2 0xdb /* Read ID2; Data: none */
#define PCF8833_RDID3 0xdc /* Read ID3; Data: none */
#define PCF8833_SFD 0xef /* Select factory defaults; Data: none */
#define PCF8833_ECM 0xf0 /* Enter Calibration mode; Data: (1) Calibration control settings */
#define PCF8833_OTPSHTIN 0xf1 /* Shift data in OTP shift registers; Data: Any number of bytes */
/* Memory data access control (MADCTL) bit definitions */
#define MADCTL_RGB (1 << 3) /* Bit 3: BGR */
#define MADCTL_LAO (1 << 4) /* Bit 4: Line address order bottom to top */
#define MADCTL_V (1 << 5) /* Bit 5: Vertical RAM write; in Y direction */
#define MADCTL_MX (1 << 6) /* Bit 6: Mirror X */
#define MADCTL_MY (1 << 7) /* Bit 7: Mirror Y */
/* PCF8833 status register bit definitions */
/* CMD format: RDDST command followed by four status bytes: */
/* Byte 1: D31 d30 D29 D28 D27 D26 --- --- */
#define PCF8833_ST_RGB (1 << 2) /* Bit 2: D26 - RGB/BGR order */
#define PCF8833_ST_LINEADDR (1 << 3) /* Bit 3: D27 - Line address order */
#define PCF8833_ST_ADDRMODE (1 << 4) /* Bit 4: D28 - Vertical/horizontal addressing mode */
#define PCF8833_ST_XADDR (1 << 5) /* Bit 5: D29 - X address order */
#define PCF8833_ST_YADDR (1 << 6) /* Bit 6: D30 - Y address order */
#define PCF8833_ST_BOOSTER (1 << 7) /* Bit 7: D31 - Booster voltage status */
/* Byte 2: --- D22 D21 D20 D19 D18 D17 D16 */
#define PCF8833_ST_NORMAL (1 << 0) /* Bit 0: D16 - Normal display mode */
#define PCF8833_ST_SLEEPIN (1 << 1) /* Bit 1: D17 - Sleep in selected */
#define PCF8833_ST_PARTIAL (1 << 2) /* Bit 2: D18 - Partial mode on */
#define PCF8833_ST_IDLE (1 << 3) /* Bit 3: D19 - Idle mode selected */
#define PCF8833_ST_PIXELFMT_SHIFT (4) /* Bits 4-6: D20-D22 - Interface pixel format */
#define PCF8833_ST_PIXELFMT_MASK (7 << PCF8833_ST_PIXELFMT_SHIFT)
# define PCF8833_ST_PIXELFMT_8BPS (PCF8833_FMT_8BPS << PCF8833_ST_PIXELFMT_SHIFT)
# define PCF8833_ST_PIXELFMT_12BPS (PCF8833_FMT_12BPS << PCF8833_ST_PIXELFMT_SHIFT)
# define PCF8833_ST_PIXELFMT_16BPS (PCF8833_FMT_16BPS << PCF8833_ST_PIXELFMT_SHIFT)
/* Byte 3: D15 -- D13 D12 D11 D10 D9 --- */
#define PCF8833_ST_TEARING (1 << 1) /* Bit 1: D9 - Tearing effect on */
#define PCF8833_ST_DISPLAYON (1 << 2) /* Bit 2: D10 - Display on */
#define PCF8833_ST_PIXELSOFF (1 << 3) /* Bit 3: D11 - All pixels off */
#define PCF8833_ST_PIXELSON (1 << 4) /* Bit 4: D12 - All pixels on */
#define PCF8833_ST_INV (1 << 5) /* Bit 5: D13 - Display inversion */
#define PCF8833_ST_VSCROLL (1 << 7) /* Bit 6: D15 - Vertical scroll mode */
/* Byte 4: All zero */
#endif /* __DRIVERS_LCD_PCF8833_H */
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