/************************************************************************************** * drivers/lcd/st7565.h * * Definitions for the ST7565 128x64 Dot Matrix LCD * Driver with C * * Copyright (C) 2014 Pierre-noel Bouteville. All rights reserved. * Author: Pierre-noel Boutevlle * * Based on drivers/lcd/st7567.h * Copyright (C) 2013 Zilogic Systems. All rights reserved. * Author: Manikandan * * Based on drivers/lcd/ssd1305.h * * Copyright (C) 2010 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * References: SSD1305.pdf, "Solomon Systech SSD1305 136x64 Dot Matrix OLED/PLED * Segment/Common Driver with Controller," Solomon Systech Limited, * http://www.solomon-systech.com, May, 2008. * * 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_ST7565_H #define __DRIVERS_LCD_ST7565_H /************************************************************************************** * Included Files **************************************************************************************/ /************************************************************************************** * Pre-processor Definitions **************************************************************************************/ /* Fundamental Commands ***************************************************************/ #define ST7565_DISPOFF 0xae /* 0xae: Display OFF (sleep mode) */ #define ST7565_DISPON 0xaf /* 0xaf: Display ON in normal mode */ #define ST7565_SETSTARTLINE 0x40 /* 0x40-7f: Set display start line */ # define ST7565_STARTLINE_MASK 0x3f #define ST7565_SETPAGESTART 0xb0 /* 0xb0-b7: Set page start address */ # define ST7565_PAGESTART_MASK 0x0f #define ST7565_SETCOLL 0x00 /* 0x00-0x0f: Set lower column address */ # define ST7565_COLL_MASK 0x0f #define ST7565_SETCOLH 0x10 /* 0x10-0x1f: Set higher column address */ # define ST7565_COLH_MASK 0x0f #define ST7565_ADCNORMAL 0xa0 /* 0xa6: ADC Normal */ #define ST7565_ADCINVERSE 0xa1 /* 0xa7: ADC Inverse */ #define ST7565_DISPNORMAL 0xa6 /* 0xa6: Normal display */ #define ST7565_DISPINVERSE 0xa7 /* 0xa7: Inverse display */ #define ST7565_DISPRAM 0xa4 /* 0xa4: Resume to RAM content display */ #define ST7565_DISPENTIRE 0xa5 /* 0xa5: Entire display ON */ #define ST7565_BIAS_1_9 0xa2 /* 0xa2: Select BIAS setting 1/9 */ #define ST7565_BIAS_1_7 0xa3 /* 0xa3: Select BIAS setting 1/7 */ #define ST7565_ENTER_RMWMODE 0xe0 /* 0xe0: Enter the Read Modify Write mode */ #define ST7565_EXIT_RMWMODE 0xee /* 0xee: Leave the Read Modify Write mode */ #define ST7565_EXIT_SOFTRST 0xe2 /* 0xe2: Software RESET */ #define ST7565_SETCOMNORMAL 0xc0 /* 0xc0: Set COM output direction, normal mode */ #define ST7565_SETCOMREVERSE 0xc8 /* 0xc8: Set COM output direction, reverse mode */ #define ST7565_POWERCTRL_EXT 0x28 /* 0x28: Only the external power supply is used */ #define ST7565_POWERCTRL_VF 0x29 /* 0x29: Only the V/F circuit is used */ #define ST7565_POWERCTRL_VR 0x2b /* 0x2b: Only the voltage regulator circuit and the * voltage follower circuit are used */ #define ST7565_POWERCTRL_B 0x2c /* 0x2c: Booster=ON */ #define ST7565_POWERCTRL_BR 0x2e /* 0x2e: Booster=ON V/R=ON */ #define ST7565_POWERCTRL_INT 0x2f /* 0x2f: Only the internal power supply is used */ /* Regulation Resistior ratio V0 = (1+Rb/Ra)*Vev */ #define ST7565_REG_RES_3_0 0x20 /* (Ra/Rb = 3.0) */ #define ST7565_REG_RES_3_5 0x21 /* (Ra/Rb = 5.5) */ #define ST7565_REG_RES_4_0 0x22 /* (Ra/Rb = 4.0) */ #define ST7565_REG_RES_4_5 0x23 /* (Ra/Rb = 4.5) */ #define ST7565_REG_RES_5_0 0x24 /* (Ra/Rb = 5.0) */ #define ST7565_REG_RES_5_5 0x25 /* (Ra/Rb = 5.5) */ #define ST7565_REG_RES_6_0 0x26 /* (Ra/Rb = 6.0) */ #define ST7565_REG_RES_6_5 0x27 /* (Ra/Rb = 6.5) */ /* Set Electronic volume mode */ #define ST7565_SETEVMODE 0x81 /* 0x81: Set contrast control */ /* Set Ev value register * ratio Vev = (1-a/162)*Vreg, Vreg = 2.1V */ #define ST7565_SETEVREG(x) (0x0 | ((x) & 0x3F)) /* Set booster ratio */ #define ST7565_MODE_NORMAL 0xac /* Set Normal Mode */ #define ST7565_MODE_SLEEP 0xad /* Set Sleep Mode */ /* Set booster ratio */ #define ST7565_SETBOOSTER 0xf8 #define ST7565_SETBOOSTER4X 0x00 /* x2, x3, x4 */ #define ST7565_SETBOOSTER5X 0x01 /* x5 */ #define ST7565_SETBOOSTER6X 0x02 /* x6 */ #define ST7565_NOP 0xe3 /* 0xe3: NOP Command for no operation */ /************************************************************************************** * Public Data **************************************************************************************/ #endif /* __DRIVERS_LCD_ST7565_H */