PokittoLib

Diff: POKITTO_HW/HWLCD.h

Revision:

0:e8b8f36b4505

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/POKITTO_HW/HWLCD.h	Mon Sep 18 11:47:51 2017 +0000
@@ -0,0 +1,195 @@
+/**************************************************************************/
+/*!
+    @file     HWLCD.h
+    @author   Jonne Valola
+
+    @section LICENSE
+
+    Software License Agreement (BSD License)
+
+    Copyright (c) 2016, Jonne Valola
+    All rights reserved.
+
+    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 of the copyright holders 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 ''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 HOLDER 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 __HWLCD_H__
+#define __HWLCD_H__
+
+#include "mbed.h"
+#include "gpio_api.h"
+#include "pinmap.h"
+
+#define write_command write_command_16
+#define write_data write_data_16
+
+namespace Pokitto {
+
+
+extern void initBacklight();
+extern void setBacklight(float);
+extern void lcdFillSurface(uint16_t);
+extern void lcdPixel(int16_t x, int16_t y, uint16_t c);
+extern void lcdRectangle(int16_t x, int16_t y,int16_t x2, int16_t y2, uint16_t color);
+extern void lcdInit();
+extern void lcdSleep();
+extern void lcdWakeUp();
+extern void lcdRefresh(uint8_t *, uint16_t*);
+extern void lcdRefreshAB(uint8_t *, uint16_t*);
+extern void lcdRefreshGB(uint8_t *, uint16_t*);
+extern void lcdRefreshMode1(uint8_t *, uint16_t*);
+extern void lcdRefreshMode2(uint8_t *, uint16_t*);
+extern void lcdRefreshMode3(uint8_t *, uint16_t*);
+extern void lcdRefreshModeGBC(uint8_t *, uint16_t*);
+/** Update LCD from 1-bit tile mode */
+extern void lcdRefreshT1(uint8_t*, uint8_t*, uint8_t*, uint16_t*);
+extern void lcdClear();
+extern void lcdFill(uint16_t);
+/** Blit one word of data*/
+extern void blitWord(uint16_t);
+
+/**************************************************************************/
+/**                          PINS AND PORTS                              **/
+/**************************************************************************/
+
+#if POK_BOARDREV == 1
+/** 2-layer board version 1.3 **/
+ #define LCD_CD_PORT           0
+ #define LCD_CD_PIN            2
+ #define LCD_WR_PORT           1
+ #define LCD_WR_PIN            23
+ #define LCD_RD_PORT           1
+ #define LCD_RD_PIN            24
+ #define LCD_RES_PORT          1
+ #define LCD_RES_PIN           28
+#else
+/** 4-layer board version 2.1 **/
+ #define LCD_CD_PORT           0
+ #define LCD_CD_PIN            2
+ #define LCD_WR_PORT           1
+ #define LCD_WR_PIN            12
+ #define LCD_RD_PORT           1
+ #define LCD_RD_PIN            24
+ #define LCD_RES_PORT          1
+ #define LCD_RES_PIN           0
+#endif
+
+/**************************************************************************/
+/**                          LCD CONTROL MACROS                          **/
+/**************************************************************************/
+
+#define CLR_RESET LPC_GPIO_PORT->CLR[LCD_RES_PORT] = 1 << LCD_RES_PIN; //RST = (0); // Clear pin
+#define SET_RESET LPC_GPIO_PORT->SET[LCD_RES_PORT] = 1 << LCD_RES_PIN; // RST = (1); // Set pin
+
+#define CLR_CD { LPC_GPIO_PORT->CLR[LCD_CD_PORT] = 1 << LCD_CD_PIN; } // RS = (0); // Clear pin
+#define SET_CD { LPC_GPIO_PORT->SET[LCD_CD_PORT] = 1 << LCD_CD_PIN; }// RS = (1); // Set pin
+
+#define CLR_WR { LPC_GPIO_PORT->CLR[LCD_WR_PORT] = 1 << LCD_WR_PIN; __asm("nop");__asm("nop");}//WR = (0); // Clear pin
+#define SET_WR LPC_GPIO_PORT->SET[LCD_WR_PORT] = 1 << LCD_WR_PIN; //WR = (1); // Set pin
+
+#define CLR_RD LPC_GPIO_PORT->CLR[LCD_RD_PORT] = 1 << LCD_RD_PIN; //RD = (0); // Clear pin
+#define SET_RD LPC_GPIO_PORT->SET[LCD_RD_PORT] = 1 << LCD_RD_PIN; //RD = (1); // Set pin
+
+#define SET_CS  //CS tied to ground
+#define CLR_CS
+
+#define CLR_CS_CD_SET_RD_WR {CLR_CD; SET_RD; SET_WR;}
+#define CLR_CS_SET_CD_RD_WR {SET_CD; SET_RD; SET_WR;}
+#define SET_CD_RD_WR {SET_CD; SET_RD; SET_WR;}
+#define SET_WR_CS SET_WR;
+
+#define SET_MASK_P2 LPC_GPIO_PORT->MASK[2] = ~(0x7FFF8); //mask P2_3 ...P2_18
+#define CLR_MASK_P2 LPC_GPIO_PORT->MASK[2] = 0; // all on
+
+
+
+/**************************************************************************/
+/**                          SETUP GPIO & DATA                           **/
+/**************************************************************************/
+
+static void setup_gpio()
+{
+    /** control lines **/
+    LPC_GPIO_PORT->DIR[LCD_CD_PORT] |= (1  << LCD_CD_PIN );
+    LPC_GPIO_PORT->DIR[LCD_WR_PORT] |= (1  << LCD_WR_PIN );
+    LPC_GPIO_PORT->DIR[LCD_RD_PORT] |= (1  << LCD_RD_PIN );
+    LPC_GPIO_PORT->DIR[LCD_RES_PORT] |= (1  << LCD_RES_PIN );
+    /** data lines **/
+    LPC_GPIO_PORT->DIR[2] |= (0xFFFF  << 3);  // P2_3...P2_18 as output
+
+    pin_mode(P2_3,PullNone); // turn off pull-up
+    pin_mode(P2_4,PullNone); // turn off pull-up
+    pin_mode(P2_5,PullNone); // turn off pull-up
+    pin_mode(P2_6,PullNone); // turn off pull-up
+
+    pin_mode(P2_7,PullNone); // turn off pull-up
+    pin_mode(P2_8,PullNone); // turn off pull-up
+    pin_mode(P2_9,PullNone); // turn off pull-up
+    pin_mode(P2_10,PullNone); // turn off pull-up
+
+    pin_mode(P2_11,PullNone); // turn off pull-up
+    pin_mode(P2_12,PullNone); // turn off pull-up
+    pin_mode(P2_13,PullNone); // turn off pull-up
+    pin_mode(P2_14,PullNone); // turn off pull-up
+
+    pin_mode(P2_15,PullNone); // turn off pull-up
+    pin_mode(P2_16,PullNone); // turn off pull-up
+    pin_mode(P2_17,PullNone); // turn off pull-up
+    pin_mode(P2_18,PullNone); // turn off pull-up
+}
+
+
+
+
+#define HI_BYTE(d) (LPC_GPIO->MPIN[1]= (d<<13)) //((d>>8)<<21))
+#define LO_BYTE(d) (LPC_GPIO->MPIN[1]= (d<<21)) //because of mask makes no difference
+
+// Macros to set data bus direction to input/output
+#define LCD_GPIO2DATA_SETINPUT  GPIO_GPIO2DIR &= ~LCD_DATA_MASK
+#define LCD_GPIO2DATA_SETOUTPUT GPIO_GPIO2DIR |= LCD_DATA_MASK
+
+
+// Basic Color definitions
+#define	COLOR_BLACK                         (uint16_t)(0x0000)
+#define	COLOR_BLUE                          (uint16_t)(0x001F)
+#define	COLOR_RED                           (uint16_t)(0xF800)
+#define	COLOR_GREEN                         (uint16_t)(0x07E0)
+#define COLOR_CYAN                          (uint16_t)(0x07FF)
+#define COLOR_MAGENTA                       (uint16_t)(0xF81F)
+#define COLOR_YELLOW                        (uint16_t)(0xFFE0)
+#define COLOR_WHITE                         (uint16_t)(0xFFFF)
+
+// Grayscale Values
+#define COLOR_GRAY_15                       (uint16_t)(0x0861)    //  15  15  15
+#define COLOR_GRAY_30                       (uint16_t)(0x18E3)    //  30  30  30
+#define COLOR_GRAY_50                       (uint16_t)(0x3186)    //  50  50  50
+#define COLOR_GRAY_80                       (uint16_t)(0x528A)    //  80  80  80
+#define COLOR_GRAY_128                      (uint16_t)(0x8410)    // 128 128 128
+#define COLOR_GRAY_200                      (uint16_t)(0xCE59)    // 200 200 200
+#define COLOR_GRAY_225                      (uint16_t)(0xE71C)    // 225 225 225
+
+
+} // namespace pokitto
+#endif // __HWLCD_H_
+