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