diff --git a/drivers/lcd/sd1329.h b/drivers/lcd/sd1329.h
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+/****************************************************************************
+ * drivers/lcd/sd1329.h
+ *
+ * Copyright (C) 2010 Gregory Nutt. All rights reserved.
+ * Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * 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_SD1329_H
+#define __DRIVERS_LCD_SD1329_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+#include <stdint.h>
+
+/****************************************************************************
+ * Pre-Processor Definitions
+ ****************************************************************************/
+
+/* SD1329 Commands **********************************************************/
+/* Set column Address.
+ *
+ * This triple byte command specifies column start address and end address of
+ * the display data RAM. This command also sets the column address pointer to
+ * column start address. This pointer is used to define the current read/write
+ * column address in graphic display data RAM. If horizontal address increment
+ * mode is enabled by command 0xa0, after finishing read/write one column data,
+ * it is incremented automatically to the next column address. Whenever the
+ * column address pointer finishes accessing the end column address, it is
+ * reset back to start column address and the row address is incremented to the
+ * next row.
+ *
+ * Byte 1: 0x15
+ * Byte 2: A[5:0]: Start Address, range: 0x00-0x3f
+ * Byte 3: B[5:0]: End Address, range: 0x00-0x3f
+ */
+
+#define SSD1329_SET_COLADDR 0x15
+
+/* Set Row Address.
+ *
+ * This triple byte command specifies row start address and end address of the
+ * display data RAM. This command also sets the row address pointer to row
+ * start address. This pointer is used to define the current read/write row
+ * address in graphic display data RAM. If vertical address increment mode is
+ * enabled by command 0xa0, after finishing read/write one row data, it is
+ * incremented automatically to the next row address. Whenever the row address
+ * pointer finishes accessing the end row address, it is reset back to start
+ * row address.
+ *
+ * Byte 1: 0x75
+ * Byte 2: A[6:0]: Start Address, range: 0x00-0x7f
+ * Byte 3: B[6:0]: End Address, range: 0x00-0x7f
+ */
+
+#define SSD1329_SET_ROWADDR 0x75
+
+/* Set Contract Current
+ *
+ * This double byte command is to set Contrast Setting of the display. The
+ * chip has 256 contrast steps from 0x00 to 0xff. The segment output current
+ * increases linearly with the increase of contrast step.
+ *
+ * Byte 1: 0x81
+ * Byte 2: A[7:0]: Contrast Value, range: 0-255
+ */
+
+#define SSD1329_SET_CONTRAST 0x81
+
+/* Set Second Pre-Charge Speed
+ *
+ * This command is used to set the speed of second pre-charge in phase 3.
+ * This speed can be doubled to achieve faster pre-charging through setting
+ * 0x82 A[0].
+ *
+ * Byte 1: 0x82
+ * Byte 2: A[7:1]: Second Pre-charge Speed
+ * A[0] = 1, Enable doubling the Second Pre-charge speed
+ */
+
+#define SSD1329_PRECHRG2_SPEED 0x82
+
+/* Set Master Icon Control
+ *
+ * This double command is used to set the ON / OFF conditions of internal
+ * charge pump, icon circuits and overall icon status.
+ *
+ * Byte 1: 0x90
+ * Byte 2: Icon control (OR of bits 0-1,4-5)
+ */
+
+#define SSD1329_ICON_CONTROL 0x90
+# define SSD1329_ICON_NORMAL 0x00 /* A[1:0]1=00: Icon RESET to normal display */
+# define SSD1329_ICON_ON 0x01 /* A[1:0]1=01: Icon All ON */
+# define SSD1329_ICON_OFF 0x02 /* A[1:0]=10: Icon All OFF */
+# define SSD1329_ICON_DISABLE 0x00 /* A[4]=0: Disable Icon display */
+# define SSD1329_ICON_ENABLE 0x10 /* A[4]=1: Enable Icon display */
+# define SSD1329_VICON_DISABLE 0x00 /* A[5]=0: Disable VICON charge pump circuit */
+# define SSD1329_VICON_ENABLE 0x20 /* A[5]=1: Enable VICON charge pump circuit */
+
+/* Set Icon Current Range
+ *
+ * This double byte command is used to set one fix current range for all icons
+ * between the range of 0uA and 127.5uA. The uniformity improves as the icon
+ * current range increases.
+ *
+ * Byte 1: 0x91
+ * Byte 2: A[7:0]: Max icon current:
+ * 00 = 0.0 uA
+ * 01 = 0.5 uA
+ * ...
+ * ff = 127.5 uA
+ */
+
+#define SSD1329_ICON_CURRRNG 0x91
+
+/* Set Individual Icon Current
+ *
+ * This multiple byte command is used to fine tune the current for each of the
+ * 64 icons. Command 0x92 followed by 64 single byte data. These 64 byte data
+ * have to be entered in order to make this command function. Below is the
+ * formula for calculating the icon current.
+ *
+ * Icon Current = Single byte value / 127 x Maximum icon current set with command 0x91
+ *
+ * Byte 1: 0x92
+ * Byte 2-65: An[6:0]: icon current for ICSn, range: 0x00-0x7f
+ * Icon Current of ICSn = An[6:0]/127) x max icon current
+ */
+
+#define SSD1329_ICON_CURRENT 0x92
+
+/* Set Individual Icon ON / OFF Register
+ *
+ * This double byte command is used to select one of the 64 icons and choose the
+ * ON, OFF or blinking condition of the selected icon.
+ *
+ * Byte 1: 0x93
+ * Byte 2: A[5:0]: Select one of the 64 icons from ICS0 ~ ICS63
+ * A[7:6]: OFF/ON/BLINK
+ */
+
+#define SSD1329_ICON_SELECT 0x93
+# define SSD1329_ICON_OFF 0x00
+# define SSD1329_ICON_ON 0x40
+# define SSD1329_ICON_BLINK 0xc0
+
+/* Set Icon ON / OFF Registers
+ *
+ * This double byte command is used to set the ON / OFF status of all 64 icons.
+ *
+ * Byte 1: 0x94
+ * Byte 2: A[7:6]: OFF/ON/BLINK (Same as 0x93
+ */
+
+#define SSD1329_ICON_REGISTER 0x94
+
+/* Set Icon Blinking Cycle
+ *
+ * This double byte command is used to set icon oscillator frequency and
+ * blinking cycle selected with above command 0x93.
+ *
+ * Byte 1: 0x95
+ * Byte 2:
+ * - A[2:0]:Icon Blinking cycle
+ * - A[5:4]:Icon oscillation frequency
+ */
+
+#define SSD1329_ICON_BLINKING 0x95
+# define SSD1329_ICON_BLINK_0p25S 0x00 /* 0.25 sec */
+# define SSD1329_ICON_BLINK_0p50S 0x01 /* 0.50 sec */
+# define SSD1329_ICON_BLINK_0p75S 0x02 /* 0.75 sec */
+# define SSD1329_ICON_BLINK_0p100S 0x03 /* 1.00 sec */
+# define SSD1329_ICON_BLINK_0p125S 0x04 /* 1.25 sec */
+# define SSD1329_ICON_BLINK_0p150S 0x05 /* 1.50 sec */
+# define SSD1329_ICON_BLINK_0p175S 0x06 /* 1.75 sec */
+# define SSD1329_ICON_BLINK_0p200S 0x07 /* 2.00 sec */
+# define SSD1329_ICON_BLINK_61KHZ 0x00 /* 61 KHz */
+# define SSD1329_ICON_BLINK_64KHZ 0x10 /* 64 KHz */
+# define SSD1329_ICON_BLINK_68KHZ 0x20 /* 68 KHz */
+# define SSD1329_ICON_BLINK_73KHZ 0x30 /* 73 KHz */
+
+/* Set Icon Duty
+ *
+ * This double byte command is used to set the icon frame frequency and icon AC
+ * drive duty ratio.
+ *
+ * Byte 1: 0x96
+ * Byte 2:
+ * - A[2:0]: AC Drive
+ * - A[7:4]: con frame frequency
+ */
+
+#define SSD1329_ICON_ACDRIVE 0x96
+# define SSD1329_ICON_DUTY_DC 0x00
+# define SSD1329_ICON_DUTY_63_64 0x01
+# define SSD1329_ICON_DUTY_62_64 0x02
+# define SSD1329_ICON_DUTY_61_64 0x03
+# define SSD1329_ICON_DUTY_60_64 0x04
+# define SSD1329_ICON_DUTY_59_64 0x05
+# define SSD1329_ICON_DUTY_58_64 0x06
+# define SSD1329_ICON_DUTY_57_64 0x07
+
+/* Set Re-map
+ *
+ * This double command has multiple configurations and each bit setting is
+ * described as follows:
+ *
+ * Column Address Remapping (A[0])
+ * This bit is made for increase the flexibility layout of segment signals in
+ * OLED module with segment arranged from left to right (when A[0] is set to 0)
+ * or from right to left (when A[0] is set to 1).
+ *
+ * Nibble Remapping (A[1])
+ * When A[1] is set to 1, the two nibbles of the data bus for RAM access are
+ * re-mapped, such that (D7, D6, D5, D4, D3, D2, D1, D0) acts like (D3, D2, D1,
+ * D0, D7, D6, D5, D4) If this feature works together with Column Address
+ * Re-map, it would produce an effect of flipping the outputs from SEG0-127 to
+ * SEG127-SEG0.
+ *
+ * Address increment mode (A[2])
+ * When A[2] is set to 0, the driver is set as horizontal address incremen
+ * mode. After the display RAM is read/written, the column address pointer is
+ * increased automatically by 1. If the column address pointer reaches column
+ * end address, the column address pointer is reset to column start address and
+ * row address pointer is increased by 1.
+ *
+ * When A[2] is set to 1, the driver is set to vertical address increment mode.
+ * After the display RAM is read/written, the row address pointer is increased
+ * automatically by 1. If the row address pointer reaches the row end address,
+ * the row address pointer is reset to row start address and column address
+ * pointer is increased by 1.
+ *
+ * COM Remapping (A[4])
+ * This bit defines the scanning direction of the common for flexible layout
+ * of common signals in OLED module either from up to down (when A[4] is set to
+ * 0) or from bottom to up (when A[4] is set to 1).
+ *
+ * Splitting of Odd / Even COM Signals (A[6])
+ * This bit is made to match the COM layout connection on the panel. When A[6]
+ * is set to 0, no splitting odd / even of the COM signal is performed. When
+ * A[6] is set to 1, splitting odd / even of the COM signal is performed,
+ * output pin assignment sequence is shown as below (for 128MUX ratio):
+ *
+ * Byte 1: 0xa0
+ * Byte 2: A[7:0]
+ */
+
+#define SSD1329_GDDRAM_REMAP 0xa0
+# define SSD1329_COLADDR_REMAP 0x01 /* A[0]: Enable column re-map */
+# define SSD1329_NIBBLE_REMAP 0x02 /* A[1]: Enable nibble re-map */
+# define SSD1329_VADDR_INCR 0x04 /* A[1]: Enable vertical address increment */
+# define SSD1329_COM_REMAP 0x10 /* A[4]: Enable COM re-map */
+# define SSD1329_COM_SPLIT 0x40 /* A[6]: Enable COM slip even/odd */
+
+/* Set Display Start Line
+ *
+ * This double byte command is to set Display Start Line register for
+ * determining the starting address of display RAM to be displayed by selecting
+ * a value from 0 to 127.
+ *
+ * Byte 1: 0xa1
+ * Byte 2: A[6:0]: Vertical scroll by setting the starting address of
+ * display RAM from 0-127
+ */
+
+#define SSD1329_VERT_START 0xa1
+
+/* Set Display Offset
+ *
+ * This double byte command specifies the mapping of display start line (it is
+ * assumed that COM0 is the display start line, display start line register
+ * equals to 0) to one of COM0-COM127.
+ *
+ * Byte 1: 0xa2
+ * Byte 2: A[6:0]: Set vertical offset by COM from 0-127
+ */
+
+#define SSD1329_VERT_OFFSET 0xa2
+
+/* Set Display Mode - Normal, all on, all off, inverse
+ *
+ * These are single byte commands and are used to set display status to Normal
+ * Display, Entire Display ON, Entire Display OFF or Inverse Display.
+ *
+ * Normal Display (0xa4)
+ * Reset the �Entire Display ON, Entire Display OFF or Inverse Display� effects
+ * and turn the data to ON at the corresponding gray level.
+ *
+ * Set Entire Display ON (0xa5)
+ * Force the entire display to be at gray scale level GS15, regardless of the
+ * contents of the display data RAM.
+ *
+ * Set Entire Display OFF (0xa6)
+ * Force the entire display to be at gray scale level GS0, regardless of the
+ * contents of the display data RAM.
+ *
+ * Inverse Display (0xa7)
+ * The gray scale level of display data are swapped such that �GS0� <-> �GS15�,
+ * �GS1� <-> �GS14�, etc.
+ *
+ * Byte 1: Display mode command
+ */
+
+#define SSD1329_DISP_NORMAL 0xa4
+#define SSD1329_DISP_OFF 0xa5
+#define SSD1329_DISP_ON 0xa6
+#define SSD1329_DISP_INVERT 0xa7
+
+/* Set MUX Ratio
+ *
+ * This double byte command sets multiplex ratio (MUX ratio) from 16MUX to
+ * 128MUX. In POR, multiplex ratio is 128MUX.
+ *
+ * Byte 1: 0xa8
+ * Byte 2: A[6:0] 15-127 representing 16-128 MUX
+ */
+
+#define SSD1329_MUX_RATIO 0xa8
+
+/* Set Sleep mode ON / OFF
+ *
+ * These single byte commands are used to turn the matrix display on the OLED
+ * panel display either ON or OFF. When the sleep mode is set to ON (0xae), the
+ * display is OFF, the segment and common output are in high impedance state
+ * and circuits will be turned OFF. When the sleep mode is set to OFF (0xaf),
+ * the display is ON.
+ *
+ * Byte 1: sleep mode command
+ */
+
+#define SSD1329_SLEEP_ON 0xae
+#define SSD1329_SLEEP_OFF 0xaf
+
+/* Set Phase Length
+ *
+ * In the second byte of this double command, lower nibble and higher nibble is
+ * defined separately. The lower nibble adjusts the phase length of Reset (phase
+ * 1). The higher nibble is used to select the phase length of first pre-charge
+ * phase (phase 2). The phase length is ranged from 1 to 16 DCLK's. RESET for
+ * A[3:0] is set to 3 which means 4 DCLK�s selected for Reset phase. POR for
+ * A[7:4] is set to 5 which means 6 DCLK�s is selected for first pre-charge
+ * phase. Please refer to Table 9-1 for detail breakdown levels of each step.
+ *
+ * Byte 1: 0xb1
+ * Byte 2: A[3:0]: Phase 1 period of 1~16 DCLK�s
+ * A[7:4]: Phase 2 period of 1~16 DCLK�s
+ */
+
+#define SSD1329_RESET 0xb1
+
+/* Set Frame Frequency
+ *
+ * This double byte command is used to set the number of DCLK�s per row between
+ * the range of 0x14 and 0x7f. Then the Frame frequency of the matrix display
+ * is equal to DCLK frequency / A[6:0].
+ *
+ * Byte 1: 0xb2
+ * Byte 2: A[6:0]:Total number of DCLK�s per row. Ranging from
+ 0x14hto 0x4e DCLK�s. frame Frequency = DCLK freq /A[6:0].
+ */
+
+#define SSD1329_FRAME_FREQ 0xb2
+
+/* Set Front Clock Divider / Oscillator Frequency
+ *
+ * This double command is used to set the frequency of the internal display
+ * clocks, DCLK's. It is defined by dividing the oscillator frequency by the
+ * divide ratio (Value from 1 to 16). Frame frequency is determined by divide
+ * ratio, number of display clocks per row, MUX ratio and oscillator frequency.
+ * The lower nibble of the second byte is used to select the oscillator
+ * frequency. Please refer to Table 9-1 for detail breakdown levels of each
+ * step.
+ *
+ * Byte 1: 0xb3
+ * Byte 2: A[3:0]: Define divide ratio (D) of display clock (DCLK)
+ * Divide ratio=A[3:0]+1
+ */
+
+#define SSD1329_DIV_RATIO 0xb3
+
+/* Set Default Gray Scale Table
+ *
+ * This single byte command is used to set the gray scale table to initial
+ * default setting.
+ *
+ * Byte 1: 0xb7
+ * Byte 2: A[7:4] : Set the Oscillator Frequency, FOSC. Range:0-15
+ */
+
+#define SSD1329_GSCALE_TABLE 0xb7
+
+/* Look Up Table for Gray Scale Pulse width
+ *
+ * This command is used to set each individual gray scale level for the display.
+ * Except gray scale level GS0 that has no pre-charge and current drive, each
+ * gray scale level is programmed in the length of current drive stage pulse
+ * width with unit of DCLK. The longer the length of the pulse width, the
+ * brighter the OLED pixel when it�s turned ON.
+ *
+ * The setting of gray scale table entry can perform gamma correction on OLED
+ * panel display. Normally, it is desired that the brightness response of the
+ * panel is linearly proportional to the image data value in display data RAM.
+ * However, the OLED panel is somehow responded in non-linear way. Appropriate
+ * gray scale table setting like example below can compensate this effect.
+ *
+ * Byte 1: 0xb8
+ * Bytes 2-16: An[5:0], value for GSn level Pulse width
+ */
+
+#define SSD1329_GSCALE_SET 0xb8
+
+/* Set Second Pre-charge Period
+ *
+ * This double byte command is used to set the phase 3 second pre-charge period.
+ * The period of phase 3 can be programmed by command 0xbb and it is ranged from
+ * 0 to 15 DCLK's.
+ *
+ * Byte 1: 0xbb
+ * Byte 2: 0-15 DCLKs
+ */
+
+#define SSD1329_PRECHRG2_PERIOD 0xbb
+
+/* Set First Precharge voltage, VP
+ *
+ * This double byte command is used to set phase 2 first pre-charge voltage
+ * level. It can be programmed to set the first pre-charge voltage reference to
+ * VCC or VCOMH.
+ *
+ * Byte 1: 0xbc
+ * Byte 2: A[5] == 0, Pre-charge voltage is (0.30 + A[4:0]) * Vcc
+ * A{5] == 1, 1.00 x VCC or connect to VCOMH if VCC > VCOMH
+ */
+
+#define SSD1329_PRECHRG1_VOLT 0xbc
+
+/* Set VCOMH
+ *
+ * This double byte command sets the high voltage level of common pins, VCOMH.
+ * The level of VCOMH is programmed with reference to VCC.
+ *
+ * Byte 1: 0xbe
+ * Byte 2: (0.51 + A[5:0]) * Vcc
+ */
+
+#define SSD1329_COM_HIGH 0xbe
+
+/* NOOP
+ *
+ * This is a no operation command.
+ *
+ * Byte 1: 0xe3
+ */
+
+#define SSD1329_NOOP 0xe3
+
+/* Set Command Lock
+ *
+ * This command is used to lock the MCU from accepting any command.
+ *
+ * Byte 1: 0xfd
+ * Byte 2: A[2] == 1, Enable locking the MCU from entering command
+ */
+
+#define SSD1329_CMD_LOCK 0xfd
+
+/* SD1329 Status ************************************************************/
+
+#define SDD1329_STATUS_ON 0x00 /* D[6]=0: indicates the display is ON */
+#define SDD1329_STATUS_OFF 0x40 /* D[6]=1: indicates the display is OFF */
+
+/****************************************************************************
+ * Public Types
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+#undef EXTERN
+#if defined(__cplusplus)
+#define EXTERN extern "C"
+extern "C" {
+#else
+#define EXTERN extern
+#endif
+
+#undef EXTERN
+#if defined(__cplusplus)
+}
+#endif
+#endif /* __DRIVERS_LCD_SD1329_H */