88 lines
4.2 KiB
C
88 lines
4.2 KiB
C
/**************************************************************************************
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* drivers/lcd/pcd8544.h
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*
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* Definitions for the PCD8544 LCD Display
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*
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* Copyright (C) 2017 Alan Carvalho de Assis. All rights reserved.
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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_PCD8544_H
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#define __DRIVERS_LCD_PCD8544_H
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/**************************************************************************************
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* Included Files
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**************************************************************************************/
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/**************************************************************************************
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* Pre-processor Definitions
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**************************************************************************************/
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#define PCD8544_MAX_BANKS 6
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#define PCD8544_MAX_COLS 84
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/* Fundamental Commands *****************************************************/
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#define PCD8544_NOP 0x00 /* 0x00: No Operation */
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#define PCD8544_FUNC_SET (1 << 5) /* Used to select extend mode */
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#define PCD8544_POWER_DOWN (1 << 2) /* Enable power-down mode */
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#define PCD8544_MODEV (1 << 1) /* Enable Vertical Addressing */
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#define PCD8544_MODEH (1 << 0) /* Enable extended instruction set */
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/* Command with Instructon Set H = 0 */
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#define PCD8544_DISP_CTRL (1 << 3) /* sets display configuration */
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#define PCD8544_DISP_BLANK 0x00 /* display blank */
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#define PCD8544_DISP_ALLON 0x01 /* all display segments on */
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#define PCD8544_DISP_NORMAL 0x04 /* normal mode */
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#define PCD8544_DISP_INVERT 0x05 /* inverse video mode */
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#define PCD8544_SET_Y_ADDR (1 << 6) /* Set the Y bank 0-5 */
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#define PCD8544_SET_X_ADDR (1 << 7) /* Set the X bank 0-83 */
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/* Command with Instructon Set H = 1 */
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#define PCD8544_TEMP_COEF (1 << 2) /* set Temperature Coefficient */
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#define PCD8544_BIAS_SYSTEM (1 << 4) /* set Bias System */
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#define PCD8544_BIAS_BS0 (1 << 0) /* set Bias System */
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#define PCD8544_BIAS_BS1 (1 << 1) /* set Bias System */
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#define PCD8544_BIAS_BS2 (1 << 2) /* set Bias System */
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#define PCD8544_WRITE_VOP (1 << 7) /* write Vop to register*/
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#define PCD8544_VOP0 (1 << 0) /* Vop0 */
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#define PCD8544_VOP1 (1 << 1) /* Vop1 */
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#define PCD8544_VOP2 (1 << 2) /* Vop2 */
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#define PCD8544_VOP3 (1 << 3) /* Vop3 */
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#define PCD8544_VOP4 (1 << 4) /* Vop4 */
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#define PCD8544_VOP5 (1 << 5) /* Vop5 */
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#define PCD8544_VOP6 (1 << 6) /* Vop6 */
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#endif /* __DRIVERS_LCD_PCD8544_H */
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