drivers/displays/tft/hw/ILI9325.h

   1 /**************************************************************************/
   2 /*!
   3     @file     ILI9325.h
   4     @author   K. Townsend (microBuilder.eu)
   5
   6     @section LICENSE
   7
   8     Software License Agreement (BSD License)
   9
  10     Copyright (c) 2010, microBuilder SARL
  11     All rights reserved.
  12
  13     Redistribution and use in source and binary forms, with or without
  14     modification, are permitted provided that the following conditions are met:
  15     1. Redistributions of source code must retain the above copyright
  16     notice, this list of conditions and the following disclaimer.
  17     2. Redistributions in binary form must reproduce the above copyright
  18     notice, this list of conditions and the following disclaimer in the
  19     documentation and/or other materials provided with the distribution.
  20     3. Neither the name of the copyright holders nor the
  21     names of its contributors may be used to endorse or promote products
  22     derived from this software without specific prior written permission.
  23
  24     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
  25     EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  26     WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  27     DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
  28     DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  29     (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  30     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  31     ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  32     (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  33     SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  34 */
  35 /**************************************************************************/
  36 #ifndef __ILI9325_H__
  37 #define __ILI9325_H__
  38
  39 #include "projectconfig.h"
  40
  41 #include "drivers/displays/tft/lcd.h"
  42 #include "core/gpio/gpio.h"
  43
  44 // Control pins
  45 #define ILI9325_CS_PORT           1     // CS (LCD Pin 7)
  46 #define ILI9325_CS_PIN            8
  47 #define ILI9325_CD_PORT           1     // CS/RS (LCD Pin 8)
  48 #define ILI9325_CD_PIN            9
  49 #define ILI9325_WR_PORT           1     // WR (LCD Pin 9)
  50 #define ILI9325_WR_PIN            10
  51 #define ILI9325_RD_PORT           1     // RD (LCD Pin 10)
  52 #define ILI9325_RD_PIN            11
  53
  54 // These combined pin definitions are for optimisation purposes.
  55 // If the pin values above are modified the bit equivalents
  56 // below will also need to be updated
  57 #define ILI9325_CS_CD_PINS        0x300   // 8 + 9
  58 #define ILI9325_RD_WR_PINS        0xC00   // 11 + 10
  59 #define ILI9325_WR_CS_PINS        0x500   // 10 + 8
  60 #define ILI9325_CD_RD_WR_PINS     0xE00   // 9 + 11 + 10
  61 #define ILI9325_CS_CD_RD_WR_PINS  0xF00   // 8 + 9 + 11 + 10
  62
  63 // Backlight and Reset pins
  64 #define ILI9325_RES_PORT          3     // LCD Reset  (LCD Pin 31)
  65 #define ILI9325_RES_PIN           3
  66 #define ILI9325_BL_PORT           2     // Backlight Enable (LCD Pin 16)
  67 #define ILI9325_BL_PIN            9
  68
  69 // Data pins
  70 // Note: data pins must be consecutive and on the same port
  71 #define ILI9325_DATA_PORT         2     // 8-Pin Data Port
  72 #define ILI9325_DATA_PIN1         1
  73 #define ILI9325_DATA_PIN2         2
  74 #define ILI9325_DATA_PIN3         3
  75 #define ILI9325_DATA_PIN4         4
  76 #define ILI9325_DATA_PIN5         5
  77 #define ILI9325_DATA_PIN6         6
  78 #define ILI9325_DATA_PIN7         7
  79 #define ILI9325_DATA_PIN8         8
  80 #define ILI9325_DATA_MASK         0x000001FE
  81 #define ILI9325_DATA_OFFSET       1    // Offset = PIN1
  82
  83 // Placed here to try to keep all pin specific values in header file
  84 #define ILI9325_DISABLEPULLUPS() do { gpioSetPullup(&IOCON_PIO2_1, gpioPullupMode_Inactive); \
  85                                       gpioSetPullup(&IOCON_PIO2_2, gpioPullupMode_Inactive); \
  86                                       gpioSetPullup(&IOCON_PIO2_3, gpioPullupMode_Inactive); \
  87                                       gpioSetPullup(&IOCON_PIO2_4, gpioPullupMode_Inactive); \
  88                                       gpioSetPullup(&IOCON_PIO2_5, gpioPullupMode_Inactive); \
  89                                       gpioSetPullup(&IOCON_PIO2_6, gpioPullupMode_Inactive); \
  90                                       gpioSetPullup(&IOCON_PIO2_7, gpioPullupMode_Inactive); \
  91                                       gpioSetPullup(&IOCON_PIO2_8, gpioPullupMode_Inactive); } while (0)
  92
  93 // These registers allow fast single operation clear+set of bits (see section 8.5.1 of LPC1343 UM)
  94 #define ILI9325_GPIO2DATA_DATA        (*(pREG32 (GPIO_GPIO2_BASE + (ILI9325_DATA_MASK << 2))))
  95 #define ILI9325_GPIO1DATA_WR          (*(pREG32 (GPIO_GPIO1_BASE + ((1 << ILI9325_WR_PIN) << 2))))
  96 #define ILI9325_GPIO1DATA_CD          (*(pREG32 (GPIO_GPIO1_BASE + ((1 << ILI9325_CD_PIN) << 2))))
  97 #define ILI9325_GPIO1DATA_CS          (*(pREG32 (GPIO_GPIO1_BASE + ((1 << ILI9325_CS_PIN) << 2))))
  98 #define ILI9325_GPIO1DATA_RD          (*(pREG32 (GPIO_GPIO1_BASE + ((1 << ILI9325_RD_PIN) << 2))))
  99 #define ILI9325_GPIO3DATA_RES         (*(pREG32 (GPIO_GPIO3_BASE + ((1 << ILI9325_RES_PIN) << 2))))
 100 #define ILI9325_GPIO1DATA_CS_CD       (*(pREG32 (GPIO_GPIO1_BASE + ((ILI9325_CS_CD_PINS) << 2))))
 101 #define ILI9325_GPIO1DATA_RD_WR       (*(pREG32 (GPIO_GPIO1_BASE + ((ILI9325_RD_WR_PINS) << 2))))
 102 #define ILI9325_GPIO1DATA_WR_CS       (*(pREG32 (GPIO_GPIO1_BASE + ((ILI9325_WR_CS_PINS) << 2))))
 103 #define ILI9325_GPIO1DATA_CD_RD_WR    (*(pREG32 (GPIO_GPIO1_BASE + ((ILI9325_CD_RD_WR_PINS) << 2))))
 104 #define ILI9325_GPIO1DATA_CS_CD_RD_WR (*(pREG32 (GPIO_GPIO1_BASE + ((ILI9325_CS_CD_RD_WR_PINS) << 2))))
 105
 106 // Macros to set data bus direction to input/output
 107 #define ILI9325_GPIO2DATA_SETINPUT  GPIO_GPIO2DIR &= ~ILI9325_DATA_MASK
 108 #define ILI9325_GPIO2DATA_SETOUTPUT GPIO_GPIO2DIR |= ILI9325_DATA_MASK
 109
 110 // Macros for control line state
 111 #define CLR_CD          ILI9325_GPIO1DATA_CD = (0)
 112 #define SET_CD          ILI9325_GPIO1DATA_CD = (1 << ILI9325_CD_PIN)
 113 #define CLR_CS          ILI9325_GPIO1DATA_CS = (0)
 114 #define SET_CS          ILI9325_GPIO1DATA_CS = (1 << ILI9325_CS_PIN)
 115 #define CLR_WR          ILI9325_GPIO1DATA_WR = (0)
 116 #define SET_WR          ILI9325_GPIO1DATA_WR = (1 << ILI9325_WR_PIN)
 117 #define CLR_RD          ILI9325_GPIO1DATA_RD = (0)
 118 #define SET_RD          ILI9325_GPIO1DATA_RD = (1 << ILI9325_RD_PIN)
 119 #define CLR_RESET       ILI9325_GPIO3DATA_RES = (0)
 120 #define SET_RESET       ILI9325_GPIO3DATA_RES = (1 << ILI9325_RES_PIN)
 121
 122 // These 'combined' macros are defined to improve code performance by
 123 // reducing the number of instructions in heavily used functions
 124 #define CLR_CS_CD           ILI9325_GPIO1DATA_CS_CD = (0);
 125 #define SET_RD_WR           ILI9325_GPIO1DATA_RD_WR = (ILI9325_RD_WR_PINS);
 126 #define SET_WR_CS           ILI9325_GPIO1DATA_WR_CS = (ILI9325_WR_CS_PINS);
 127 #define SET_CD_RD_WR        ILI9325_GPIO1DATA_CD_RD_WR = (ILI9325_CD_RD_WR_PINS);
 128 #define CLR_CS_CD_SET_RD_WR ILI9325_GPIO1DATA_CS_CD_RD_WR = (ILI9325_RD_WR_PINS);
 129 #define CLR_CS_SET_CD_RD_WR ILI9325_GPIO1DATA_CS_CD_RD_WR = (ILI9325_CD_RD_WR_PINS);
 130
 131 enum
 132 {
 133   ILI9325_COMMANDS_DRIVERCODEREAD                 = 0x0000,
 134   ILI9325_COMMANDS_DRIVEROUTPUTCONTROL1           = 0x0001,
 135   ILI9325_COMMANDS_LCDDRIVINGCONTROL              = 0x0002,
 136   ILI9325_COMMANDS_ENTRYMODE                      = 0x0003,
 137   ILI9325_COMMANDS_RESIZECONTROL                  = 0x0004,
 138   ILI9325_COMMANDS_DISPLAYCONTROL1                = 0x0007,
 139   ILI9325_COMMANDS_DISPLAYCONTROL2                = 0x0008,
 140   ILI9325_COMMANDS_DISPLAYCONTROL3                = 0x0009,
 141   ILI9325_COMMANDS_DISPLAYCONTROL4                = 0x000A,
 142   ILI9325_COMMANDS_RGBDISPLAYINTERFACECONTROL1    = 0x000C,
 143   ILI9325_COMMANDS_FRAMEMAKERPOSITION             = 0x000D,
 144   ILI9325_COMMANDS_RGBDISPLAYINTERFACECONTROL2    = 0x000F,
 145   ILI9325_COMMANDS_POWERCONTROL1                  = 0x0010,
 146   ILI9325_COMMANDS_POWERCONTROL2                  = 0x0011,
 147   ILI9325_COMMANDS_POWERCONTROL3                  = 0x0012,
 148   ILI9325_COMMANDS_POWERCONTROL4                  = 0x0013,
 149   ILI9325_COMMANDS_HORIZONTALGRAMADDRESSSET       = 0x0020,
 150   ILI9325_COMMANDS_VERTICALGRAMADDRESSSET         = 0x0021,
 151   ILI9325_COMMANDS_WRITEDATATOGRAM                = 0x0022,
 152   ILI9325_COMMANDS_POWERCONTROL7                  = 0x0029,
 153   ILI9325_COMMANDS_FRAMERATEANDCOLORCONTROL       = 0x002B,
 154   ILI9325_COMMANDS_GAMMACONTROL1                  = 0x0030,
 155   ILI9325_COMMANDS_GAMMACONTROL2                  = 0x0031,
 156   ILI9325_COMMANDS_GAMMACONTROL3                  = 0x0032,
 157   ILI9325_COMMANDS_GAMMACONTROL4                  = 0x0035,
 158   ILI9325_COMMANDS_GAMMACONTROL5                  = 0x0036,
 159   ILI9325_COMMANDS_GAMMACONTROL6                  = 0x0037,
 160   ILI9325_COMMANDS_GAMMACONTROL7                  = 0x0038,
 161   ILI9325_COMMANDS_GAMMACONTROL8                  = 0x0039,
 162   ILI9325_COMMANDS_GAMMACONTROL9                  = 0x003C,
 163   ILI9325_COMMANDS_GAMMACONTROL10                 = 0x003D,
 164   ILI9325_COMMANDS_HORIZONTALADDRESSSTARTPOSITION = 0x0050,
 165   ILI9325_COMMANDS_HORIZONTALADDRESSENDPOSITION   = 0x0051,
 166   ILI9325_COMMANDS_VERTICALADDRESSSTARTPOSITION   = 0x0052,
 167   ILI9325_COMMANDS_VERTICALADDRESSENDPOSITION     = 0x0053,
 168   ILI9325_COMMANDS_DRIVEROUTPUTCONTROL2           = 0x0060,
 169   ILI9325_COMMANDS_BASEIMAGEDISPLAYCONTROL        = 0x0061,
 170   ILI9325_COMMANDS_VERTICALSCROLLCONTROL          = 0x006A,
 171   ILI9325_COMMANDS_PARTIALIMAGE1DISPLAYPOSITION   = 0x0080,
 172   ILI9325_COMMANDS_PARTIALIMAGE1AREASTARTLINE     = 0x0081,
 173   ILI9325_COMMANDS_PARTIALIMAGE1AREAENDLINE       = 0x0082,
 174   ILI9325_COMMANDS_PARTIALIMAGE2DISPLAYPOSITION   = 0x0083,
 175   ILI9325_COMMANDS_PARTIALIMAGE2AREASTARTLINE     = 0x0084,
 176   ILI9325_COMMANDS_PARTIALIMAGE2AREAENDLINE       = 0x0085,
 177   ILI9325_COMMANDS_PANELINTERFACECONTROL1         = 0x0090,
 178   ILI9325_COMMANDS_PANELINTERFACECONTROL2         = 0x0092,
 179   ILI9325_COMMANDS_PANELINTERFACECONTROL4         = 0x0095,
 180   ILI9325_COMMANDS_OTPVCMPROGRAMMINGCONTROL       = 0x00A1,
 181   ILI9325_COMMANDS_OTPVCMSTATUSANDENABLE          = 0x00A2,
 182   ILI9325_COMMANDS_OTPPROGRAMMINGIDKEY            = 0x00A5
 183 };
 184
 185 #endif