7689392528
Gregory Nutt has submitted the SGA Zilogic Systems has submitted the SGA Uniquix Tecnologia has submitted the SGA Michael Jung has submitted the ICLA Alan Carvalho de Assis has submitted the ICLA as a result we can migrate the licenses to Apache. Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
125 lines
5.3 KiB
C
125 lines
5.3 KiB
C
/****************************************************************************
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* drivers/lcd/st7565.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/* Definitions for the ST7565 128x64 Dot Matrix LCD
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* Driver with C
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*
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* References:
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* SSD1305.pdf, "Solomon Systech SSD1305 136x64 Dot Matrix OLED/PLED
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* Segment/Common Driver with Controller," Solomon Systech Limited,
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* http://www.solomon-systech.com, May, 2008.
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*/
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#ifndef __DRIVERS_LCD_ST7565_H
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#define __DRIVERS_LCD_ST7565_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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/* Fundamental Commands *****************************************************/
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#define ST7565_DISPOFF 0xae /* 0xae: Display OFF (sleep mode) */
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#define ST7565_DISPON 0xaf /* 0xaf: Display ON in normal mode */
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#define ST7565_SETSTARTLINE 0x40 /* 0x40-7f: Set display start line */
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# define ST7565_STARTLINE_MASK 0x3f
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#define ST7565_SETPAGESTART 0xb0 /* 0xb0-b7: Set page start address */
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# define ST7565_PAGESTART_MASK 0x0f
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#define ST7565_SETCOLL 0x00 /* 0x00-0x0f: Set lower column address */
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# define ST7565_COLL_MASK 0x0f
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#define ST7565_SETCOLH 0x10 /* 0x10-0x1f: Set higher column address */
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# define ST7565_COLH_MASK 0x0f
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#define ST7565_ADCNORMAL 0xa0 /* 0xa6: ADC Normal */
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#define ST7565_ADCINVERSE 0xa1 /* 0xa7: ADC Inverse */
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#define ST7565_DISPNORMAL 0xa6 /* 0xa6: Normal display */
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#define ST7565_DISPINVERSE 0xa7 /* 0xa7: Inverse display */
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#define ST7565_DISPRAM 0xa4 /* 0xa4: Resume to RAM content display */
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#define ST7565_DISPENTIRE 0xa5 /* 0xa5: Entire display ON */
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#define ST7565_BIAS_1_9 0xa2 /* 0xa2: Select BIAS setting 1/9 */
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#define ST7565_BIAS_1_7 0xa3 /* 0xa3: Select BIAS setting 1/7 */
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#define ST7565_ENTER_RMWMODE 0xe0 /* 0xe0: Enter the Read Modify Write mode */
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#define ST7565_EXIT_RMWMODE 0xee /* 0xee: Leave the Read Modify Write mode */
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#define ST7565_EXIT_SOFTRST 0xe2 /* 0xe2: Software RESET */
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#define ST7565_SETCOMNORMAL 0xc0 /* 0xc0: Set COM output direction, normal mode */
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#define ST7565_SETCOMREVERSE 0xc8 /* 0xc8: Set COM output direction, reverse mode */
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#define ST7565_POWERCTRL_EXT 0x28 /* 0x28: Only the external power supply is used */
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#define ST7565_POWERCTRL_VF 0x29 /* 0x29: Only the V/F circuit is used */
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#define ST7565_POWERCTRL_VR 0x2b /* 0x2b: Only the voltage regulator circuit and the
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* voltage follower circuit are used
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*/
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#define ST7565_POWERCTRL_B 0x2c /* 0x2c: Booster=ON */
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#define ST7565_POWERCTRL_BR 0x2e /* 0x2e: Booster=ON V/R=ON */
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#define ST7565_POWERCTRL_INT 0x2f /* 0x2f: Only the internal power supply is used */
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/* Regulation Resistior ratio V0 = (1+Rb/Ra)*Vev */
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#define ST7565_REG_RES_3_0 0x20 /* (Ra/Rb = 3.0) */
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#define ST7565_REG_RES_3_5 0x21 /* (Ra/Rb = 5.5) */
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#define ST7565_REG_RES_4_0 0x22 /* (Ra/Rb = 4.0) */
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#define ST7565_REG_RES_4_5 0x23 /* (Ra/Rb = 4.5) */
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#define ST7565_REG_RES_5_0 0x24 /* (Ra/Rb = 5.0) */
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#define ST7565_REG_RES_5_5 0x25 /* (Ra/Rb = 5.5) */
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#define ST7565_REG_RES_6_0 0x26 /* (Ra/Rb = 6.0) */
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#define ST7565_REG_RES_6_5 0x27 /* (Ra/Rb = 6.5) */
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/* Set Electronic volume mode */
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#define ST7565_SETEVMODE 0x81 /* 0x81: Set contrast control */
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/* Set Ev value register
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* ratio Vev = (1-a/162)*Vreg, Vreg = 2.1V
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*/
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#define ST7565_SETEVREG(x) (0x0 | ((x) & 0x3F))
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/* Set booster ratio */
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#define ST7565_MODE_NORMAL 0xac /* Set Normal Mode */
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#define ST7565_MODE_SLEEP 0xad /* Set Sleep Mode */
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/* Set booster ratio */
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#define ST7565_SETBOOSTER 0xf8
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#define ST7565_SETBOOSTER4X 0x00 /* x2, x3, x4 */
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#define ST7565_SETBOOSTER5X 0x01 /* x5 */
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#define ST7565_SETBOOSTER6X 0x02 /* x6 */
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#define ST7565_NOP 0xe3 /* 0xe3: NOP Command for no operation */
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/****************************************************************************
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* Public Data
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****************************************************************************/
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#endif /* __DRIVERS_LCD_ST7565_H */
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