drivers/displays/bitmap/sharpmem/sharpmem.h

   1 /**************************************************************************/
   2 /*!
   3     @file     sharpmem.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 __SHARPMEM_H__
  37 #define __SHARPMEM_H__
  38
  39 #include "projectconfig.h"
  40 #include "drivers/displays/smallfonts.h"
  41
  42 /**************************************************************************
  43     Sharp Memory Display Connector
  44     -----------------------------------------------------------------------
  45     Pin   Function        Notes
  46     ===   ==============  ===============================
  47       1   VIN             1.0-5.0V (Boost Supply)
  48       2   VDD             5.0V (Boost output, or 5V supply)
  49       3   GND
  50       4   SCLK            Serial Clock
  51       5   MOSI            Serial Data Input
  52       6   CS              Serial Chip Select
  53       7   EXTCOMIN        External COM Inversion Signal
  54       8   DISP            Display On(High)/Off(Low)
  55       9   EXTMODE         COM Inversion Select (Low = SW clock/serial)
  56
  57  **************************************************************************/
  58
  59 // LCD Dimensions
  60 #define SHARPMEM_LCDWIDTH       (96)
  61 #define SHARPMEM_LCDHEIGHT      (96)
  62
  63 // Control pins
  64 #define SHARPMEM_GPIODATAREG     (*(pREG32 (0x50023FFC)))   // GPIO2DATA
  65 #define SHARPMEM_PORT            (2)
  66 #define SHARPMEM_SCLK_PIN        (1)
  67 #define SHARPMEM_MOSI_PIN        (2)
  68 #define SHARPMEM_CS_PIN          (3)
  69 #define SHARPMEM_DISP_PIN        (4)
  70
  71 // Macros for control line state
  72 #define CLR_SCLK    do { SHARPMEM_GPIODATAREG &= ~(1<<SHARPMEM_SCLK_PIN); } while(0)
  73 #define SET_SCLK    do { SHARPMEM_GPIODATAREG &= ~(1<<SHARPMEM_SCLK_PIN); SHARPMEM_GPIODATAREG |= (1<<SHARPMEM_SCLK_PIN); } while(0)
  74 #define CLR_MOSI    do { SHARPMEM_GPIODATAREG &= ~(1<<SHARPMEM_MOSI_PIN); } while(0)
  75 #define SET_MOSI    do { SHARPMEM_GPIODATAREG &= ~(1<<SHARPMEM_MOSI_PIN); SHARPMEM_GPIODATAREG |= (1<<SHARPMEM_MOSI_PIN); } while(0)
  76 #define CLR_CS      do { SHARPMEM_GPIODATAREG &= ~(1<<SHARPMEM_CS_PIN); } while(0)
  77 #define SET_CS      do { SHARPMEM_GPIODATAREG &= ~(1<<SHARPMEM_CS_PIN); SHARPMEM_GPIODATAREG |= (1<<SHARPMEM_CS_PIN); } while(0)
  78 #define CLR_DISP    do { SHARPMEM_GPIODATAREG &= ~(1<<SHARPMEM_DISP_PIN); } while(0)
  79 #define SET_DISP    do { SHARPMEM_GPIODATAREG &= ~(1<<SHARPMEM_DISP_PIN); SHARPMEM_GPIODATAREG |= (1<<SHARPMEM_DISP_PIN); } while(0)
  80
  81 #define SHARPMEM_BIT_WRITECMD   (0x80)
  82 #define SHARPMEM_BIT_VCOM       (0x40)
  83 #define SHARPMEM_BIT_CLEAR      (0x20)
  84
  85 // Method Prototypes
  86 void    sharpmemInit(void);
  87 void    sharpmemEnable(bool enable);
  88 void    sharpmemDrawPixel(uint16_t x, uint16_t y);
  89 void    sharpmemClearPixel(uint16_t x, uint16_t y);
  90 uint8_t sharpmemGetPixel(uint16_t x, uint16_t y);
  91 void    sharpmemClearScreen();
  92 void    sharpmemRefresh(void);
  93 void    sharpmemDrawString(uint16_t x, uint16_t y, const char* text, struct FONT_DEF font);
  94
  95 #endif