incubator-nuttx/drivers/lcd/st7567.h

/****************************************************************************
 * drivers/lcd/st7567.h
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.  The
 * ASF licenses this file to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance with the
 * License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
 * License for the specific language governing permissions and limitations
 * under the License.
 *
 ****************************************************************************/

/* Definitions for the ST7567 128x64 Dot Matrix LCD
 * Driver with C
 *
 * 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.
 */

#ifndef __DRIVERS_LCD_ST7567_H
#define __DRIVERS_LCD_ST7567_H

/****************************************************************************
 * Included Files
 ****************************************************************************/

/****************************************************************************
 * Pre-processor Definitions
 ****************************************************************************/

/* Fundamental Commands *****************************************************/

#define ST7567_DISPOFF             0xae /* 0xae: Display OFF (sleep mode) */
#define ST7567_DISPON              0xaf /* 0xaf: Display ON in normal mode */

#define ST7567_SETSTARTLINE        0x40 /* 0x40-7f: Set display start line */
#  define ST7567_STARTLINE_MASK    0x3f

#define ST7567_SETPAGESTART        0xb0 /* 0xb0-b7: Set page start address */
#  define ST7567_PAGESTART_MASK    0x07

#define ST7567_SETCOLL             0x00 /* 0x00-0x0f: Set lower column address */
#  define ST7567_COLL_MASK         0x0f
#define ST7567_SETCOLH             0x10 /* 0x10-0x1f: Set higher column address */
#  define ST7567_COLH_MASK         0x0f

#define SSD1305_MAPCOL0            0xa0 /* 0xa0: Column address 0 is mapped to SEG0 */
#define SSD1305_MAPCOL128          0xa1 /* 0xa1: Column address 128 is mapped to SEG0 */

#define ST7567_DISPNORMAL          0xa6 /* 0xa6: Normal display */
#define ST7567_DISPINVERSE         0xa7 /* 0xa7: Inverse display */

#define ST7567_DISPRAM             0xa4 /* 0xa4: Resume to RAM content display */
#define ST7567_DISPENTIRE          0xa5 /* 0xa5: Entire display ON */

#define ST7567_BIAS_1_9            0xa2 /* 0xa2: Select BIAS setting 1/9 */
#define ST7567_BIAS_1_7            0xa3 /* 0xa3: Select BIAS setting 1/7 */

#define ST7567_ENTER_RMWMODE       0xe0 /* 0xe0: Enter the Read Modify Write mode */
#define ST7567_EXIT_RMWMODE        0xee /* 0xee: Leave the Read Modify Write mode */
#define ST7567_EXIT_SOFTRST        0xe2 /* 0xe2: Software RESET */

#define ST7567_SETCOMNORMAL        0xc0 /* 0xc0: Set COM output direction, normal mode */
#define ST7567_SETCOMREVERSE       0xc8 /* 0xc8: Set COM output direction, reverse mode */

#define ST7567_POWERCTRL_VF        0x29 /* 0x29: Control built-in power circuit */
#define ST7567_POWERCTRL_VR        0x2a /* 0x2a: Control built-in power circuit */
#define ST7567_POWERCTRL_VB        0x2c /* 0x2c: Control built-in power circuit */
#define ST7567_POWERCTRL           0x2f /* 0x2c: Control built-in power circuit */

#define ST7567_REG_RES_RR0         0x21 /* 0x21: Regulation Resistior ratio */
#define ST7567_REG_RES_RR1         0x22 /* 0x22: Regulation Resistior ratio */
#define ST7567_REG_RES_RR2         0x24 /* 0x24: Regulation Resistior ratio */

#define ST7567_SETEV               0x81 /* 0x81: Set contrast control */

#define ST7567_SETBOOSTER          0xf8 /* Set booster level */
#define ST7567_SETBOOSTER4X        0x00 /* Set booster level */
#define ST7567_SETBOOSTER5X        0x01 /* Set booster level */

#define ST7567_NOP                 0xe3 /* 0xe3: NOP Command for no operation */

#endif /* __DRIVERS_LCD_ST7567_H */