HWLCD.h

00001 /**************************************************************************/
00002 /*!
00003     @file     HWLCD.h
00004     @author   Jonne Valola
00005 
00006     @section LICENSE
00007 
00008     Software License Agreement (BSD License)
00009 
00010     Copyright (c) 2016, Jonne Valola
00011     All rights reserved.
00012 
00013     Redistribution and use in source and binary forms, with or without
00014     modification, are permitted provided that the following conditions are met:
00015     1. Redistributions of source code must retain the above copyright
00016     notice, this list of conditions and the following disclaimer.
00017     2. Redistributions in binary form must reproduce the above copyright
00018     notice, this list of conditions and the following disclaimer in the
00019     documentation and/or other materials provided with the distribution.
00020     3. Neither the name of the copyright holders nor the
00021     names of its contributors may be used to endorse or promote products
00022     derived from this software without specific prior written permission.
00023 
00024     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
00025     EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
00026     WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
00027     DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
00028     DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
00029     (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
00030     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
00031     ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
00032     (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00033     SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00034 */
00035 /**************************************************************************/
00036 
00037 #ifndef __HWLCD_H__
00038 #define __HWLCD_H__
00039 
00040 #include "mbed.h"
00041 #include "gpio_api.h"
00042 #include "pinmap.h"
00043 
00044 #define write_command write_command_16
00045 #define write_data write_data_16
00046 
00047 extern volatile uint32_t *LCD;
00048 
00049 namespace Pokitto {
00050 
00051 struct SpriteInfo {
00052     const uint8_t* bitmapData;
00053     int16_t x;
00054     int16_t y;
00055     int16_t oldx;
00056     int16_t oldy;
00057     uint8_t w;
00058     uint8_t h;
00059     uint16_t palette[4];
00060 };
00061 
00062 extern void setDRAMpoint(uint8_t, uint8_t);
00063 extern void pumpDRAMdata(uint16_t*, uint16_t);
00064 extern void initBacklight();
00065 extern void setBacklight(float);
00066 extern void lcdFillSurface(uint16_t);
00067 extern void lcdPixel(int16_t x, int16_t y, uint16_t c);
00068 extern void setWindow(uint8_t x1, uint8_t y1, uint8_t x2, uint8_t y2);
00069 extern void lcdTile(int16_t x0, int16_t y0, int16_t width, int16_t height, uint16_t* gfx);
00070 extern void lcdRectangle(int16_t x, int16_t y,int16_t x2, int16_t y2, uint16_t color);
00071 extern void lcdInit();
00072 extern void lcdSleep();
00073 extern void lcdWakeUp();
00074 extern void lcdRefresh(uint8_t *, uint16_t*);
00075 extern void lcdRefreshAB(uint8_t *, uint16_t*);
00076 extern void lcdRefreshMode14(uint8_t *, uint16_t*);
00077 extern void lcdRefreshGB(uint8_t *, uint16_t*);
00078 extern void lcdRefreshMode1(uint8_t* scrbuf, uint8_t updRectX, uint8_t updRectY, uint8_t updRectW, uint8_t updRectH, uint16_t* paletteptr);
00079 extern void lcdRefreshMode1Spr(uint8_t * scrbuf, uint8_t screenx, uint8_t screeny, uint8_t screenw, uint8_t screenh, uint16_t* paletteptr, Pokitto::SpriteInfo* sprites, bool drawSpritesOnly);
00080 extern void lcdRefreshMode2(uint8_t *, uint16_t*);
00081 extern void lcdRefreshMode3(uint8_t *, uint16_t*);
00082 extern void lcdRefreshModeGBC(uint8_t *, uint16_t*);
00083 extern void lcdRefreshMode13(uint8_t *, uint16_t*, uint8_t);
00084 
00085 extern void lcdRefreshMode15(uint16_t*, uint8_t*);
00086 
00087 
00088 /** Update LCD from 1-bit tile mode */
00089 extern void lcdRefreshT1(uint8_t*, uint8_t*, uint8_t*, uint16_t*);
00090 extern void lcdClear();
00091 extern void lcdFill(uint16_t);
00092 /** Blit one word of data*/
00093 extern void blitWord(uint16_t);
00094 
00095 /**************************************************************************/
00096 /**                          PINS AND PORTS                              **/
00097 /**************************************************************************/
00098 
00099 #if POK_BOARDREV == 1
00100 /** 2-layer board version 1.3 **/
00101  #define LCD_CD_PORT           0
00102  #define LCD_CD_PIN            2
00103  #define LCD_WR_PORT           1
00104  #define LCD_WR_PIN            23
00105  #define LCD_RD_PORT           1
00106  #define LCD_RD_PIN            24
00107  #define LCD_RES_PORT          1
00108  #define LCD_RES_PIN           28
00109 #else
00110 /** 4-layer board version 2.1 **/
00111  #define LCD_CD_PORT           0
00112  #define LCD_CD_PIN            2
00113  #define LCD_WR_PORT           1
00114  #define LCD_WR_PIN            12
00115  #define LCD_RD_PORT           1
00116  #define LCD_RD_PIN            24
00117  #define LCD_RES_PORT          1
00118  #define LCD_RES_PIN           0
00119 #endif
00120 
00121 /**************************************************************************/
00122 /**                          LCD CONTROL MACROS                          **/
00123 /**************************************************************************/
00124 
00125 #define CLR_RESET LPC_GPIO_PORT->CLR[LCD_RES_PORT] = 1 << LCD_RES_PIN; //RST = (0); // Clear pin
00126 #define SET_RESET LPC_GPIO_PORT->SET[LCD_RES_PORT] = 1 << LCD_RES_PIN; // RST = (1); // Set pin
00127 
00128 #define CLR_CD { LPC_GPIO_PORT->CLR[LCD_CD_PORT] = 1 << LCD_CD_PIN; } // RS = (0); // Clear pin
00129 #define SET_CD { LPC_GPIO_PORT->SET[LCD_CD_PORT] = 1 << LCD_CD_PIN; }// RS = (1); // Set pin
00130 
00131 #define CLR_WR { LPC_GPIO_PORT->CLR[LCD_WR_PORT] = 1 << LCD_WR_PIN;__asm("nop");}//__asm("nop");}//WR = (0); // Clear pin
00132 #define CLR_WR_SLOW { LPC_GPIO_PORT->CLR[LCD_WR_PORT] = 1 << LCD_WR_PIN;__asm("nop");__asm("nop");}//WR = (0); // Clear pin
00133 #define SET_WR LPC_GPIO_PORT->SET[LCD_WR_PORT] = 1 << LCD_WR_PIN; //WR = (1); // Set pin
00134 
00135 #define CLR_RD LPC_GPIO_PORT->CLR[LCD_RD_PORT] = 1 << LCD_RD_PIN; //RD = (0); // Clear pin
00136 #define SET_RD LPC_GPIO_PORT->SET[LCD_RD_PORT] = 1 << LCD_RD_PIN; //RD = (1); // Set pin
00137 
00138 #define SET_CS  //CS tied to ground
00139 #define CLR_CS
00140 
00141 #define CLR_CS_CD_SET_RD_WR {CLR_CD; SET_RD; SET_WR;}
00142 #define CLR_CS_SET_CD_RD_WR {SET_CD; SET_RD; SET_WR;}
00143 #define SET_CD_RD_WR {SET_CD; SET_RD; SET_WR;}
00144 #define SET_WR_CS SET_WR;
00145 
00146 #define SET_MASK_P2 LPC_GPIO_PORT->MASK[2] = ~(0x7FFF8); //mask P2_3 ...P2_18
00147 #define CLR_MASK_P2 LPC_GPIO_PORT->MASK[2] = 0; // all on
00148 
00149 #define TGL_WR_OP(OP)                           \
00150   LPC_GPIO_PORT->SET[LCD_WR_PORT] = 1 << LCD_WR_PIN;            \
00151   OP;                                   \
00152   LPC_GPIO_PORT->CLR[LCD_WR_PORT] = 1 << LCD_WR_PIN;
00153 
00154 #define TGL_WR                              \
00155   LPC_GPIO_PORT->SET[LCD_WR_PORT] = 1 << LCD_WR_PIN;            \
00156   __asm("nop"); \
00157   LPC_GPIO_PORT->CLR[LCD_WR_PORT] = 1 << LCD_WR_PIN;
00158 
00159 /**************************************************************************/
00160 /**                          SETUP GPIO & DATA                           **/
00161 /**************************************************************************/
00162 
00163 static void setup_gpio()
00164 {
00165     /** control lines **/
00166     LPC_GPIO_PORT->DIR[LCD_CD_PORT] |= (1  << LCD_CD_PIN );
00167     LPC_GPIO_PORT->DIR[LCD_WR_PORT] |= (1  << LCD_WR_PIN );
00168     LPC_GPIO_PORT->DIR[LCD_RD_PORT] |= (1  << LCD_RD_PIN );
00169     LPC_GPIO_PORT->DIR[LCD_RES_PORT] |= (1  << LCD_RES_PIN );
00170     /** data lines **/
00171     LPC_GPIO_PORT->DIR[2] |= (0xFFFF  << 3);  // P2_3...P2_18 as output
00172 
00173     pin_mode(P2_3,PullNone); // turn off pull-up
00174     pin_mode(P2_4,PullNone); // turn off pull-up
00175     pin_mode(P2_5,PullNone); // turn off pull-up
00176     pin_mode(P2_6,PullNone); // turn off pull-up
00177 
00178     pin_mode(P2_7,PullNone); // turn off pull-up
00179     pin_mode(P2_8,PullNone); // turn off pull-up
00180     pin_mode(P2_9,PullNone); // turn off pull-up
00181     pin_mode(P2_10,PullNone); // turn off pull-up
00182 
00183     pin_mode(P2_11,PullNone); // turn off pull-up
00184     pin_mode(P2_12,PullNone); // turn off pull-up
00185     pin_mode(P2_13,PullNone); // turn off pull-up
00186     pin_mode(P2_14,PullNone); // turn off pull-up
00187 
00188     pin_mode(P2_15,PullNone); // turn off pull-up
00189     pin_mode(P2_16,PullNone); // turn off pull-up
00190     pin_mode(P2_17,PullNone); // turn off pull-up
00191     pin_mode(P2_18,PullNone); // turn off pull-up
00192 }
00193 
00194 
00195 
00196 
00197 #define HI_BYTE(d) (LPC_GPIO->MPIN[1]= (d<<13)) //((d>>8)<<21))
00198 #define LO_BYTE(d) (LPC_GPIO->MPIN[1]= (d<<21)) //because of mask makes no difference
00199 
00200 // Macros to set data bus direction to input/output
00201 #define LCD_GPIO2DATA_SETINPUT  GPIO_GPIO2DIR &= ~LCD_DATA_MASK
00202 #define LCD_GPIO2DATA_SETOUTPUT GPIO_GPIO2DIR |= LCD_DATA_MASK
00203 
00204 
00205 // Basic Color definitions
00206 #define COLOR_BLACK                         (uint16_t)(0x0000)
00207 #define COLOR_BLUE                          (uint16_t)(0x001F)
00208 #define COLOR_RED                           (uint16_t)(0xF800)
00209 #define COLOR_GREEN                         (uint16_t)(0x07E0)
00210 #define COLOR_CYAN                          (uint16_t)(0x07FF)
00211 #define COLOR_MAGENTA                       (uint16_t)(0xF81F)
00212 #define COLOR_YELLOW                        (uint16_t)(0xFFE0)
00213 #define COLOR_WHITE                         (uint16_t)(0xFFFF)
00214 
00215 // Grayscale Values
00216 #define COLOR_GRAY_15                       (uint16_t)(0x0861)    //  15  15  15
00217 #define COLOR_GRAY_30                       (uint16_t)(0x18E3)    //  30  30  30
00218 #define COLOR_GRAY_50                       (uint16_t)(0x3186)    //  50  50  50
00219 #define COLOR_GRAY_80                       (uint16_t)(0x528A)    //  80  80  80
00220 #define COLOR_GRAY_128                      (uint16_t)(0x8410)    // 128 128 128
00221 #define COLOR_GRAY_200                      (uint16_t)(0xCE59)    // 200 200 200
00222 #define COLOR_GRAY_225                      (uint16_t)(0xE71C)    // 225 225 225
00223 
00224 
00225 } // namespace pokitto
00226 #endif // __HWLCD_H_
00227 
00228