frederic blanc
display control QVGA TFT MCB1700 KEIL
Revision 1:0ae206eb6e55, committed 2015-02-13
- Comitter:
- fblanc
- Date:
- Fri Feb 13 14:33:27 2015 +0000
- Parent:
- 0:b96b9110daf9
- Commit message:
- bug 2 main() ?
Changed in this revision
| GLCD_MCB1700.c | Show diff for this revision Revisions of this file |
| GLCD_MCB1700.cpp | Show annotated file Show diff for this revision Revisions of this file |
diff -r b96b9110daf9 -r 0ae206eb6e55 GLCD_MCB1700.c
--- a/GLCD_MCB1700.c Wed Feb 29 10:11:54 2012 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,749 +0,0 @@
-#include "mbed.h"
-/******************************************************************************/
-/* GLCD_SPI_LPC1700.c: LPC1700 low level Graphic LCD (240x320 pixels) driven */
-/* with SPI functions */
-/******************************************************************************/
-/* This file is part of the uVision/ARM development tools. */
-/* Copyright (c) 2005-2010 Keil Software. All rights reserved. */
-/* This software may only be used under the terms of a valid, current, */
-/* end user licence from KEIL for a compatible version of KEIL software */
-/* development tools. Nothing else gives you the right to use this software. */
-/******************************************************************************/
-
-
-#include "mbed.h"
-#include "GLCD_MCB1700.h"
-#include "font_6x8_h.h"
-#include "font_16x24_h.h"
-
-/************************** Orientation configuration ************************/
-
-#define HORIZONTAL 1 /* If vertical = 0, if horizontal = 1 */
-
-/*********************** Hardware specific configuration **********************/
-
-/* SPI Interface: SPI3
-
- PINS:
- - CS = P0.6 (GPIO pin)
- - RS = GND
- - WR/SCK = P0.7 (SCK1)
- - RD = GND
- - SDO = P0.8 (MISO1)
- - SDI = P0.9 (MOSI1) */
-
-#define PIN_CS (1 << 6)
-
-/* SPI_SR - bit definitions */
-#define TFE 0x01
-#define RNE 0x04
-#define BSY 0x10
-
-/*------------------------- Speed dependant settings -------------------------*/
-
-/* If processor works on high frequency delay has to be increased, it can be
- increased by factor 2^N by this constant */
-#define DELAY_2N 18
-
-/*---------------------- Graphic LCD size definitions ------------------------*/
-
-#if (HORIZONTAL == 1)
-#define WIDTH 320 /* Screen Width (in pixels) */
-#define HEIGHT 240 /* Screen Hight (in pixels) */
-#else
-#define WIDTH 240 /* Screen Width (in pixels) */
-#define HEIGHT 320 /* Screen Hight (in pixels) */
-#endif
-#define BPP 16 /* Bits per pixel */
-#define BYPP ((BPP+7)/8) /* Bytes per pixel */
-
-/*--------------- Graphic LCD interface hardware definitions -----------------*/
-
-/* Pin CS setting to 0 or 1 */
-#define LCD_CS(x) ((x) ? (LPC_GPIO0->FIOSET = PIN_CS) : (LPC_GPIO0->FIOCLR = PIN_CS));
-
-#define SPI_START (0x70) /* Start byte for SPI transfer */
-#define SPI_RD (0x01) /* WR bit 1 within start */
-#define SPI_WR (0x00) /* WR bit 0 within start */
-#define SPI_DATA (0x02) /* RS bit 1 within start byte */
-#define SPI_INDEX (0x00) /* RS bit 0 within start byte */
-
-/*---------------------------- Global variables ------------------------------*/
-
-/******************************************************************************/
-static volatile unsigned short TextColor = Black, BackColor = White;
-
-
-/************************ Local auxiliary functions ***************************/
-
-/*******************************************************************************
-* Delay in while loop cycles *
-* Parameter: cnt: number of while cycles to delay *
-* Return: *
-*******************************************************************************/
-
-static void delay (int cnt) {
-
- cnt <<= DELAY_2N;
- while (cnt--);
-}
-
-
-/*******************************************************************************
-* Send 1 byte over the serial communication *
-* Parameter: byte: byte to be sent *
-* Return: byte read while sending *
-*******************************************************************************/
-
-static __inline unsigned char spi_send (unsigned char byte) {
-
- LPC_SSP1->DR = byte;
- while (!(LPC_SSP1->SR & RNE)); /* Wait for send to finish */
- return (LPC_SSP1->DR);
-}
-
-
-/*******************************************************************************
-* Write a command the LCD controller *
-* Parameter: cmd: command to be written *
-* Return: *
-*******************************************************************************/
-
-static __inline void wr_cmd (unsigned char cmd) {
-
- LCD_CS(0)
- spi_send(SPI_START | SPI_WR | SPI_INDEX); /* Write : RS = 0, RW = 0 */
- spi_send(0);
- spi_send(cmd);
- LCD_CS(1)
-}
-
-
-/*******************************************************************************
-* Write data to the LCD controller *
-* Parameter: dat: data to be written *
-* Return: *
-*******************************************************************************/
-
-static __inline void wr_dat (unsigned short dat) {
-
- LCD_CS(0)
- spi_send(SPI_START | SPI_WR | SPI_DATA); /* Write : RS = 1, RW = 0 */
- spi_send((dat >> 8)); /* Write D8..D15 */
- spi_send((dat & 0xFF)); /* Write D0..D7 */
- LCD_CS(1)
-}
-
-
-/*******************************************************************************
-* Start of data writing to the LCD controller *
-* Parameter: *
-* Return: *
-*******************************************************************************/
-
-static __inline void wr_dat_start (void) {
-
- LCD_CS(0)
- spi_send(SPI_START | SPI_WR | SPI_DATA); /* Write : RS = 1, RW = 0 */
-}
-
-
-/*******************************************************************************
-* Stop of data writing to the LCD controller *
-* Parameter: *
-* Return: *
-*******************************************************************************/
-
-static __inline void wr_dat_stop (void) {
-
- LCD_CS(1)
-}
-
-
-/*******************************************************************************
-* Data writing to the LCD controller *
-* Parameter: dat: data to be written *
-* Return: *
-*******************************************************************************/
-
-static __inline void wr_dat_only (unsigned short dat) {
-
- spi_send((dat >> 8)); /* Write D8..D15 */
- spi_send((dat & 0xFF)); /* Write D0..D7 */
-}
-
-
-/*******************************************************************************
-* Read data from the LCD controller *
-* Parameter: *
-* Return: read data *
-*******************************************************************************/
-
-static __inline unsigned short rd_dat (void) {
- unsigned short val = 0;
-
- LCD_CS(0)
- spi_send(SPI_START | SPI_RD | SPI_DATA); /* Read: RS = 1, RW = 1 */
- spi_send(0); /* Dummy read 1 */
- val = spi_send(0); /* Read D8..D15 */
- val <<= 8;
- val |= spi_send(0); /* Read D0..D7 */
- LCD_CS(1)
- return (val);
-}
-
-
-/*******************************************************************************
-* Write a value to the to LCD register *
-* Parameter: reg: register to be written *
-* val: value to write to the register *
-*******************************************************************************/
-
-static __inline void wr_reg (unsigned char reg, unsigned short val) {
-
- wr_cmd(reg);
- wr_dat(val);
-}
-
-
-/*******************************************************************************
-* Read from the LCD register *
-* Parameter: reg: register to be read *
-* Return: value read from the register *
-*******************************************************************************/
-
-static unsigned short rd_reg (unsigned char reg) {
-
- wr_cmd(reg);
- return(rd_dat());
-}
-
-
-/************************ Exported functions **********************************/
-
-/*******************************************************************************
-* Initialize the Graphic LCD controller *
-* Parameter: *
-* Return: *
-*******************************************************************************/
-
-void GLCD_Init (void) {
- static unsigned short driverCode;
-
- /* Enable clock for SSP1, clock = CCLK / 2 */
- LPC_SC->PCONP |= 0x00000400;
- LPC_SC->PCLKSEL0 |= 0x00200000;
-
- /* Configure the LCD Control pins */
- LPC_PINCON->PINSEL9 &= 0xF0FFFFFF;
- LPC_GPIO4->FIODIR |= 0x30000000;
- LPC_GPIO4->FIOSET = 0x20000000;
-
- /* SSEL1 is GPIO output set to high */
- LPC_GPIO0->FIODIR |= 0x00000040;
- LPC_GPIO0->FIOSET = 0x00000040;
- LPC_PINCON->PINSEL0 &= 0xFFF03FFF;
- LPC_PINCON->PINSEL0 |= 0x000A8000;
-
- /* Enable SPI in Master Mode, CPOL=1, CPHA=1 */
- /* Max. 12.5 MBit used for Data Transfer @ 100MHz */
- LPC_SSP1->CR0 = 0x01C7;
- LPC_SSP1->CPSR = 0x02;
- LPC_SSP1->CR1 = 0x02;
-
- delay(5); /* Delay 50 ms */
- driverCode = rd_reg(0x00);
-
- /* Start Initial Sequence --------------------------------------------------*/
- wr_reg(0x01, 0x0100); /* Set SS bit */
- wr_reg(0x02, 0x0700); /* Set 1 line inversion */
- wr_reg(0x04, 0x0000); /* Resize register */
- wr_reg(0x08, 0x0207); /* 2 lines front, 7 back porch */
- wr_reg(0x09, 0x0000); /* Set non-disp area refresh cyc ISC */
- wr_reg(0x0A, 0x0000); /* FMARK function */
- wr_reg(0x0C, 0x0000); /* RGB interface setting */
- wr_reg(0x0D, 0x0000); /* Frame marker Position */
- wr_reg(0x0F, 0x0000); /* RGB interface polarity */
-
- /* Power On sequence -------------------------------------------------------*/
- wr_reg(0x10, 0x0000); /* Reset Power Control 1 */
- wr_reg(0x11, 0x0000); /* Reset Power Control 2 */
- wr_reg(0x12, 0x0000); /* Reset Power Control 3 */
- wr_reg(0x13, 0x0000); /* Reset Power Control 4 */
- delay(20); /* Discharge cap power voltage (200ms)*/
- wr_reg(0x10, 0x12B0); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
- wr_reg(0x11, 0x0007); /* DC1[2:0], DC0[2:0], VC[2:0] */
- delay(5); /* Delay 50 ms */
- wr_reg(0x12, 0x01BD); /* VREG1OUT voltage */
- delay(5); /* Delay 50 ms */
- wr_reg(0x13, 0x1400); /* VDV[4:0] for VCOM amplitude */
- wr_reg(0x29, 0x000E); /* VCM[4:0] for VCOMH */
- delay(5); /* Delay 50 ms */
- wr_reg(0x20, 0x0000); /* GRAM horizontal Address */
- wr_reg(0x21, 0x0000); /* GRAM Vertical Address */
-
- /* Adjust the Gamma Curve --------------------------------------------------*/
- if (driverCode == 0x5408) { /* LCD with SPFD5408 LCD Controller */
- wr_reg(0x30, 0x0B0D);
- wr_reg(0x31, 0x1923);
- wr_reg(0x32, 0x1C26);
- wr_reg(0x33, 0x261C);
- wr_reg(0x34, 0x2419);
- wr_reg(0x35, 0x0D0B);
- wr_reg(0x36, 0x1006);
- wr_reg(0x37, 0x0610);
- wr_reg(0x38, 0x0706);
- wr_reg(0x39, 0x0304);
- wr_reg(0x3A, 0x0E05);
- wr_reg(0x3B, 0x0E01);
- wr_reg(0x3C, 0x010E);
- wr_reg(0x3D, 0x050E);
- wr_reg(0x3E, 0x0403);
- wr_reg(0x3F, 0x0607);
- }
- else { /* LCD with other LCD Controller */
- wr_reg(0x30, 0x0006);
- wr_reg(0x31, 0x0101);
- wr_reg(0x32, 0x0003);
- wr_reg(0x35, 0x0106);
- wr_reg(0x36, 0x0B02);
- wr_reg(0x37, 0x0302);
- wr_reg(0x38, 0x0707);
- wr_reg(0x39, 0x0007);
- wr_reg(0x3C, 0x0600);
- wr_reg(0x3D, 0x020B);
- }
-
- /* Set GRAM area -----------------------------------------------------------*/
- wr_reg(0x50, 0x0000); /* Horizontal GRAM Start Address */
- wr_reg(0x51, (HEIGHT-1)); /* Horizontal GRAM End Address */
- wr_reg(0x52, 0x0000); /* Vertical GRAM Start Address */
- wr_reg(0x53, (WIDTH-1)); /* Vertical GRAM End Address */
- if (driverCode == 0x5408) /* LCD with SPFD5408 LCD Controller */
- wr_reg(0x60, 0xA700); /* Gate Scan Line */
- else /* LCD with other LCD Controller */
- wr_reg(0x60, 0x2700); /* Gate Scan Line */
- wr_reg(0x61, 0x0001); /* NDL,VLE, REV */
- wr_reg(0x6A, 0x0000); /* Set scrolling line */
-
- /* Partial Display Control -------------------------------------------------*/
- wr_reg(0x80, 0x0000);
- wr_reg(0x81, 0x0000);
- wr_reg(0x82, 0x0000);
- wr_reg(0x83, 0x0000);
- wr_reg(0x84, 0x0000);
- wr_reg(0x85, 0x0000);
-
- /* Panel Control -----------------------------------------------------------*/
- wr_reg(0x90, 0x0010);
- wr_reg(0x92, 0x0000);
- wr_reg(0x93, 0x0003);
- wr_reg(0x95, 0x0110);
- wr_reg(0x97, 0x0000);
- wr_reg(0x98, 0x0000);
-
- /* Set GRAM write direction
- I/D=11 (Horizontal : increment, Vertical : increment) */
-
-#if (HORIZONTAL == 1)
- /* AM=1 (address is updated in vertical writing direction) */
- wr_reg(0x03, 0x1038);
-#else
- /* AM=0 (address is updated in horizontal writing direction) */
- wr_reg(0x03, 0x1030);
-#endif
-
- wr_reg(0x07, 0x0137); /* 262K color and display ON */
- LPC_GPIO4->FIOSET = 0x10000000;
-}
-
-
-/*******************************************************************************
-* Set draw window region *
-* Parameter: x: horizontal position *
-* y: vertical position *
-* w: window width in pixel *
-* h: window height in pixels *
-* Return: *
-*******************************************************************************/
-
-void GLCD_SetWindow (unsigned int x, unsigned int y, unsigned int w, unsigned int h) {
-
- wr_reg(0x50, x); /* Horizontal GRAM Start Address */
- wr_reg(0x51, x+w-1); /* Horizontal GRAM End Address (-1) */
- wr_reg(0x52, y); /* Vertical GRAM Start Address */
- wr_reg(0x53, y+h-1); /* Vertical GRAM End Address (-1) */
-
- wr_reg(0x20, x);
- wr_reg(0x21, y);
-}
-
-
-/*******************************************************************************
-* Set draw window region to whole screen *
-* Parameter: *
-* Return: *
-*******************************************************************************/
-
-void GLCD_WindowMax (void) {
-
-#if (HORIZONTAL == 1)
- GLCD_SetWindow (0, 0, HEIGHT, WIDTH);
-#else
- GLCD_SetWindow (0, 0, WIDTH, HEIGHT);
-#endif
-}
-
-
-/*******************************************************************************
-* Draw a pixel in foreground color *
-* Parameter: x: horizontal position *
-* y: vertical position *
-* Return: *
-*******************************************************************************/
-
-void GLCD_PutPixel (unsigned int x, unsigned int y) {
-
-#if (HORIZONTAL == 1)
- wr_reg(0x20, y);
- wr_reg(0x21, WIDTH-1-x);
-#else
- wr_reg(0x20, x);
- wr_reg(0x21, y);
-#endif
- wr_cmd(0x22);
- wr_dat(TextColor);
-}
-
-
-/*******************************************************************************
-* Set foreground color *
-* Parameter: color: foreground color *
-* Return: *
-*******************************************************************************/
-
-void GLCD_SetTextColor (unsigned short color) {
-
- TextColor = color;
-}
-
-
-/*******************************************************************************
-* Set background color *
-* Parameter: color: background color *
-* Return: *
-*******************************************************************************/
-
-void GLCD_SetBackColor (unsigned short color) {
-
- BackColor = color;
-}
-
-
-/*******************************************************************************
-* Clear display *
-* Parameter: color: display clearing color *
-* Return: *
-*******************************************************************************/
-
-void GLCD_Clear (unsigned short color) {
- unsigned int i;
-
- GLCD_WindowMax();
- wr_cmd(0x22);
- wr_dat_start();
- for(i = 0; i < (WIDTH*HEIGHT); i++)
- wr_dat_only(color);
- wr_dat_stop();
-}
-
-
-/*******************************************************************************
-* Draw character on given position *
-* Parameter: x: horizontal position *
-* y: vertical position *
-* cw: character width in pixel *
-* ch: character height in pixels *
-* c: pointer to character bitmap *
-* Return: *
-*******************************************************************************/
-
-void GLCD_DrawChar_U8 (unsigned int x, unsigned int y, unsigned int cw, unsigned int ch, unsigned char *c) {
- int idx = 0, i, j;
-
-#if (HORIZONTAL == 1)
- x = WIDTH-x-cw;
- GLCD_SetWindow(y, x, ch, cw);
-#else
- GLCD_SetWindow(x, y, cw, ch);
-#endif
- wr_cmd(0x22);
- wr_dat_start();
- for (j = 0; j < ch; j++) {
-#if (HORIZONTAL == 1)
- for (i = cw-1; i >= 0; i--) {
-#else
- for (i = 0; i <= cw-1; i++) {
-#endif
- if((c[idx] & (1 << i)) == 0x00) {
- wr_dat_only(BackColor);
- } else {
- wr_dat_only(TextColor);
- }
- }
- c++;
- }
- wr_dat_stop();
-}
-
-
-/*******************************************************************************
-* Draw character on given position *
-* Parameter: x: horizontal position *
-* y: vertical position *
-* cw: character width in pixel *
-* ch: character height in pixels *
-* c: pointer to character bitmap *
-* Return: *
-*******************************************************************************/
-
-void GLCD_DrawChar_U16 (unsigned int x, unsigned int y, unsigned int cw, unsigned int ch, unsigned short *c) {
- int idx = 0, i, j;
-
-#if (HORIZONTAL == 1)
- x = WIDTH-x-cw;
- GLCD_SetWindow(y, x, ch, cw);
-#else
- GLCD_SetWindow(x, y, cw, ch);
-#endif
- wr_cmd(0x22);
- wr_dat_start();
- for (j = 0; j < ch; j++) {
-#if (HORIZONTAL == 1)
- for (i = cw-1; i >= 0; i--) {
-#else
- for (i = 0; i <= cw-1; i++) {
-#endif
- if((c[idx] & (1 << i)) == 0x00) {
- wr_dat_only(BackColor);
- } else {
- wr_dat_only(TextColor);
- }
- }
- c++;
- }
- wr_dat_stop();
-}
-
-
-/*******************************************************************************
-* Disply character on given line *
-* Parameter: ln: line number *
-* col: column number *
-* fi: font index (0 = 6x8, 1 = 16x24) *
-* c: ascii character *
-* Return: *
-*******************************************************************************/
-
-void GLCD_DisplayChar (unsigned int ln, unsigned int col, unsigned char fi, unsigned char c) {
-
- c -= 32;
- switch (fi) {
- case 0: /* Font 6 x 8 */
- GLCD_DrawChar_U8 (col * 6, ln * 8, 6, 8, (unsigned char *)&Font_6x8_h [c * 8]);
- break;
- case 1: /* Font 16 x 24 */
- GLCD_DrawChar_U16(col * 16, ln * 24, 16, 24, (unsigned short *)&Font_16x24_h[c * 24]);
- break;
- }
-}
-
-
-/*******************************************************************************
-* Disply string on given line *
-* Parameter: ln: line number *
-* col: column number *
-* fi: font index (0 = 6x8, 1 = 16x24) *
-* s: pointer to string *
-* Return: *
-*******************************************************************************/
-
-void GLCD_DisplayString (unsigned int ln, unsigned int col, unsigned char fi, unsigned char *s) {
-
- GLCD_WindowMax();
- while (*s) {
- GLCD_DisplayChar(ln, col++, fi, *s++);
- }
-}
-
-
-/*******************************************************************************
-* Clear given line *
-* Parameter: ln: line number *
-* fi: font index (0 = 6x8, 1 = 16x24) *
-* Return: *
-*******************************************************************************/
-
-void GLCD_ClearLn (unsigned int ln, unsigned char fi) {
- unsigned char i;
- unsigned char buf[60];
-
- GLCD_WindowMax();
- switch (fi) {
- case 0: /* Font 6 x 8 */
- for (i = 0; i < (WIDTH+5)/6; i++)
- buf[i] = ' ';
- buf[i+1] = 0;
- break;
- case 1: /* Font 16 x 24 */
- for (i = 0; i < (WIDTH+15)/16; i++)
- buf[i] = ' ';
- buf[i+1] = 0;
- break;
- }
- GLCD_DisplayString (ln, 0, fi, buf);
-}
-
-/*******************************************************************************
-* Draw bargraph *
-* Parameter: x: horizontal position *
-* y: vertical position *
-* w: maximum width of bargraph (in pixels) *
-* val: value of active bargraph (in 1/1024) *
-* Return: *
-*******************************************************************************/
-
-void GLCD_Bargraph (unsigned int x, unsigned int y, unsigned int w, unsigned int h, unsigned int val) {
- int i,j;
-
- val = (val * w) >> 10; /* Scale value */
-#if (HORIZONTAL == 1)
- x = WIDTH-x-w;
- GLCD_SetWindow(y, x, h, w);
-#else
- GLCD_SetWindow(x, y, w, h);
-#endif
- wr_cmd(0x22);
- wr_dat_start();
- for (i = 0; i < h; i++) {
-#if (HORIZONTAL == 1)
- for (j = w-1; j >= 0; j--) {
-#else
- for (j = 0; j <= w-1; j++) {
-#endif
- if(j >= val) {
- wr_dat_only(BackColor);
- } else {
- wr_dat_only(TextColor);
- }
- }
- }
- wr_dat_stop();
-}
-
-
-/*******************************************************************************
-* Display graphical bitmap image at position x horizontally and y vertically *
-* (This function is optimized for 16 bits per pixel format, it has to be *
-* adapted for any other bits per pixel format) *
-* Parameter: x: horizontal position *
-* y: vertical position *
-* w: width of bitmap *
-* h: height of bitmap *
-* bitmap: address at which the bitmap data resides *
-* Return: *
-*******************************************************************************/
-
-void GLCD_Bitmap (unsigned int x, unsigned int y, unsigned int w, unsigned int h, unsigned char *bitmap) {
- unsigned int i, j;
- unsigned short *bitmap_ptr = (unsigned short *)bitmap;
-
-#if (HORIZONTAL == 1)
- x = WIDTH-x-w;
- GLCD_SetWindow(y, x, h, w);
-#else
- GLCD_SetWindow(x, y, w, h);
-#endif
- wr_cmd(0x22);
- wr_dat_start();
- for (j = 0; j < h; j++) {
-#if (HORIZONTAL == 1)
- for (i = 0; i < w; i++) {
- wr_dat_only(*bitmap_ptr++);
- }
-#else
- bitmap_ptr += w-1;
- for (i = 0; i < w; i++) {
- wr_dat_only(*bitmap_ptr--);
- }
- bitmap_ptr += w+1;
-#endif
- }
- wr_dat_stop();
-}
-
-
-/*******************************************************************************
-* Display graphical bmp file image at position x horizontally and y vertically *
-* (This function is optimized for 16 bits per pixel format, it has to be *
-* adapted for any other bits per pixel format) *
-* Parameter: x: horizontal position *
-* y: vertical position *
-* w: width of bitmap *
-* h: height of bitmap *
-* bmp: address at which the bmp data resides *
-* Return: *
-*******************************************************************************/
-
-void GLCD_Bmp (unsigned int x, unsigned int y, unsigned int w, unsigned int h, unsigned char *bmp) {
- unsigned int i, j;
- unsigned short *bitmap_ptr = (unsigned short *)bmp;
-
-#if (HORIZONTAL == 1)
- x = WIDTH-x-w;
- GLCD_SetWindow(y, x, h, w);
-#else
- GLCD_SetWindow(x, y, w, h);
-#endif
- wr_cmd(0x22);
- wr_dat_start();
-#if (HORIZONTAL == 1)
- bitmap_ptr += (h*w)-1;
- for (j = 0; j < h; j++) {
- for (i = 0; i < w; i++) {
- wr_dat_only(*bitmap_ptr--);
- }
- }
-#else
- bitmap_ptr += ((h-1)*w);
- for (j = 0; j < h; j++) {
- for (i = 0; i < w; i++) {
- wr_dat_only(*bitmap_ptr++);
- }
- bitmap_ptr -= 2*w;
- }
-#endif
- wr_dat_stop();
-}
-
-
-/*******************************************************************************
-* Scroll content of the whole display for dy pixels vertically *
-* Parameter: dy: number of pixels for vertical scroll *
-* Return: *
-*******************************************************************************/
-
-void GLCD_ScrollVertical (unsigned int dy) {
-#if (HORIZONTAL == 0)
- static unsigned int y = 0;
-
- y = y + dy;
- while (y >= HEIGHT)
- y -= HEIGHT;
-
- wr_reg(0x6A, y);
- wr_reg(0x61, 3);
-#endif
-}
-
-/******************************************************************************/
diff -r b96b9110daf9 -r 0ae206eb6e55 GLCD_MCB1700.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/GLCD_MCB1700.cpp Fri Feb 13 14:33:27 2015 +0000
@@ -0,0 +1,749 @@
+#include "mbed.h"
+/******************************************************************************/
+/* GLCD_SPI_LPC1700.c: LPC1700 low level Graphic LCD (240x320 pixels) driven */
+/* with SPI functions */
+/******************************************************************************/
+/* This file is part of the uVision/ARM development tools. */
+/* Copyright (c) 2005-2010 Keil Software. All rights reserved. */
+/* This software may only be used under the terms of a valid, current, */
+/* end user licence from KEIL for a compatible version of KEIL software */
+/* development tools. Nothing else gives you the right to use this software. */
+/******************************************************************************/
+
+
+#include "mbed.h"
+#include "GLCD_MCB1700.h"
+#include "font_6x8_h.h"
+#include "font_16x24_h.h"
+
+/************************** Orientation configuration ************************/
+
+#define HORIZONTAL 1 /* If vertical = 0, if horizontal = 1 */
+
+/*********************** Hardware specific configuration **********************/
+
+/* SPI Interface: SPI3
+
+ PINS:
+ - CS = P0.6 (GPIO pin)
+ - RS = GND
+ - WR/SCK = P0.7 (SCK1)
+ - RD = GND
+ - SDO = P0.8 (MISO1)
+ - SDI = P0.9 (MOSI1) */
+
+#define PIN_CS (1 << 6)
+
+/* SPI_SR - bit definitions */
+#define TFE 0x01
+#define RNE 0x04
+#define BSY 0x10
+
+/*------------------------- Speed dependant settings -------------------------*/
+
+/* If processor works on high frequency delay has to be increased, it can be
+ increased by factor 2^N by this constant */
+#define DELAY_2N 18
+
+/*---------------------- Graphic LCD size definitions ------------------------*/
+
+#if (HORIZONTAL == 1)
+#define WIDTH 320 /* Screen Width (in pixels) */
+#define HEIGHT 240 /* Screen Hight (in pixels) */
+#else
+#define WIDTH 240 /* Screen Width (in pixels) */
+#define HEIGHT 320 /* Screen Hight (in pixels) */
+#endif
+#define BPP 16 /* Bits per pixel */
+#define BYPP ((BPP+7)/8) /* Bytes per pixel */
+
+/*--------------- Graphic LCD interface hardware definitions -----------------*/
+
+/* Pin CS setting to 0 or 1 */
+#define LCD_CS(x) ((x) ? (LPC_GPIO0->FIOSET = PIN_CS) : (LPC_GPIO0->FIOCLR = PIN_CS));
+
+#define SPI_START (0x70) /* Start byte for SPI transfer */
+#define SPI_RD (0x01) /* WR bit 1 within start */
+#define SPI_WR (0x00) /* WR bit 0 within start */
+#define SPI_DATA (0x02) /* RS bit 1 within start byte */
+#define SPI_INDEX (0x00) /* RS bit 0 within start byte */
+
+/*---------------------------- Global variables ------------------------------*/
+
+/******************************************************************************/
+static volatile unsigned short TextColor = Black, BackColor = White;
+
+
+/************************ Local auxiliary functions ***************************/
+
+/*******************************************************************************
+* Delay in while loop cycles *
+* Parameter: cnt: number of while cycles to delay *
+* Return: *
+*******************************************************************************/
+
+static void delay (int cnt) {
+
+ cnt <<= DELAY_2N;
+ while (cnt--);
+}
+
+
+/*******************************************************************************
+* Send 1 byte over the serial communication *
+* Parameter: byte: byte to be sent *
+* Return: byte read while sending *
+*******************************************************************************/
+
+static __inline unsigned char spi_send (unsigned char byte) {
+
+ LPC_SSP1->DR = byte;
+ while (!(LPC_SSP1->SR & RNE)); /* Wait for send to finish */
+ return (LPC_SSP1->DR);
+}
+
+
+/*******************************************************************************
+* Write a command the LCD controller *
+* Parameter: cmd: command to be written *
+* Return: *
+*******************************************************************************/
+
+static __inline void wr_cmd (unsigned char cmd) {
+
+ LCD_CS(0)
+ spi_send(SPI_START | SPI_WR | SPI_INDEX); /* Write : RS = 0, RW = 0 */
+ spi_send(0);
+ spi_send(cmd);
+ LCD_CS(1)
+}
+
+
+/*******************************************************************************
+* Write data to the LCD controller *
+* Parameter: dat: data to be written *
+* Return: *
+*******************************************************************************/
+
+static __inline void wr_dat (unsigned short dat) {
+
+ LCD_CS(0)
+ spi_send(SPI_START | SPI_WR | SPI_DATA); /* Write : RS = 1, RW = 0 */
+ spi_send((dat >> 8)); /* Write D8..D15 */
+ spi_send((dat & 0xFF)); /* Write D0..D7 */
+ LCD_CS(1)
+}
+
+
+/*******************************************************************************
+* Start of data writing to the LCD controller *
+* Parameter: *
+* Return: *
+*******************************************************************************/
+
+static __inline void wr_dat_start (void) {
+
+ LCD_CS(0)
+ spi_send(SPI_START | SPI_WR | SPI_DATA); /* Write : RS = 1, RW = 0 */
+}
+
+
+/*******************************************************************************
+* Stop of data writing to the LCD controller *
+* Parameter: *
+* Return: *
+*******************************************************************************/
+
+static __inline void wr_dat_stop (void) {
+
+ LCD_CS(1)
+}
+
+
+/*******************************************************************************
+* Data writing to the LCD controller *
+* Parameter: dat: data to be written *
+* Return: *
+*******************************************************************************/
+
+static __inline void wr_dat_only (unsigned short dat) {
+
+ spi_send((dat >> 8)); /* Write D8..D15 */
+ spi_send((dat & 0xFF)); /* Write D0..D7 */
+}
+
+
+/*******************************************************************************
+* Read data from the LCD controller *
+* Parameter: *
+* Return: read data *
+*******************************************************************************/
+
+static __inline unsigned short rd_dat (void) {
+ unsigned short val = 0;
+
+ LCD_CS(0)
+ spi_send(SPI_START | SPI_RD | SPI_DATA); /* Read: RS = 1, RW = 1 */
+ spi_send(0); /* Dummy read 1 */
+ val = spi_send(0); /* Read D8..D15 */
+ val <<= 8;
+ val |= spi_send(0); /* Read D0..D7 */
+ LCD_CS(1)
+ return (val);
+}
+
+
+/*******************************************************************************
+* Write a value to the to LCD register *
+* Parameter: reg: register to be written *
+* val: value to write to the register *
+*******************************************************************************/
+
+static __inline void wr_reg (unsigned char reg, unsigned short val) {
+
+ wr_cmd(reg);
+ wr_dat(val);
+}
+
+
+/*******************************************************************************
+* Read from the LCD register *
+* Parameter: reg: register to be read *
+* Return: value read from the register *
+*******************************************************************************/
+
+static unsigned short rd_reg (unsigned char reg) {
+
+ wr_cmd(reg);
+ return(rd_dat());
+}
+
+
+/************************ Exported functions **********************************/
+
+/*******************************************************************************
+* Initialize the Graphic LCD controller *
+* Parameter: *
+* Return: *
+*******************************************************************************/
+
+void GLCD_Init (void) {
+ static unsigned short driverCode;
+
+ /* Enable clock for SSP1, clock = CCLK / 2 */
+ LPC_SC->PCONP |= 0x00000400;
+ LPC_SC->PCLKSEL0 |= 0x00200000;
+
+ /* Configure the LCD Control pins */
+ LPC_PINCON->PINSEL9 &= 0xF0FFFFFF;
+ LPC_GPIO4->FIODIR |= 0x30000000;
+ LPC_GPIO4->FIOSET = 0x20000000;
+
+ /* SSEL1 is GPIO output set to high */
+ LPC_GPIO0->FIODIR |= 0x00000040;
+ LPC_GPIO0->FIOSET = 0x00000040;
+ LPC_PINCON->PINSEL0 &= 0xFFF03FFF;
+ LPC_PINCON->PINSEL0 |= 0x000A8000;
+
+ /* Enable SPI in Master Mode, CPOL=1, CPHA=1 */
+ /* Max. 12.5 MBit used for Data Transfer @ 100MHz */
+ LPC_SSP1->CR0 = 0x01C7;
+ LPC_SSP1->CPSR = 0x02;
+ LPC_SSP1->CR1 = 0x02;
+
+ delay(5); /* Delay 50 ms */
+ driverCode = rd_reg(0x00);
+
+ /* Start Initial Sequence --------------------------------------------------*/
+ wr_reg(0x01, 0x0100); /* Set SS bit */
+ wr_reg(0x02, 0x0700); /* Set 1 line inversion */
+ wr_reg(0x04, 0x0000); /* Resize register */
+ wr_reg(0x08, 0x0207); /* 2 lines front, 7 back porch */
+ wr_reg(0x09, 0x0000); /* Set non-disp area refresh cyc ISC */
+ wr_reg(0x0A, 0x0000); /* FMARK function */
+ wr_reg(0x0C, 0x0000); /* RGB interface setting */
+ wr_reg(0x0D, 0x0000); /* Frame marker Position */
+ wr_reg(0x0F, 0x0000); /* RGB interface polarity */
+
+ /* Power On sequence -------------------------------------------------------*/
+ wr_reg(0x10, 0x0000); /* Reset Power Control 1 */
+ wr_reg(0x11, 0x0000); /* Reset Power Control 2 */
+ wr_reg(0x12, 0x0000); /* Reset Power Control 3 */
+ wr_reg(0x13, 0x0000); /* Reset Power Control 4 */
+ delay(20); /* Discharge cap power voltage (200ms)*/
+ wr_reg(0x10, 0x12B0); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
+ wr_reg(0x11, 0x0007); /* DC1[2:0], DC0[2:0], VC[2:0] */
+ delay(5); /* Delay 50 ms */
+ wr_reg(0x12, 0x01BD); /* VREG1OUT voltage */
+ delay(5); /* Delay 50 ms */
+ wr_reg(0x13, 0x1400); /* VDV[4:0] for VCOM amplitude */
+ wr_reg(0x29, 0x000E); /* VCM[4:0] for VCOMH */
+ delay(5); /* Delay 50 ms */
+ wr_reg(0x20, 0x0000); /* GRAM horizontal Address */
+ wr_reg(0x21, 0x0000); /* GRAM Vertical Address */
+
+ /* Adjust the Gamma Curve --------------------------------------------------*/
+ if (driverCode == 0x5408) { /* LCD with SPFD5408 LCD Controller */
+ wr_reg(0x30, 0x0B0D);
+ wr_reg(0x31, 0x1923);
+ wr_reg(0x32, 0x1C26);
+ wr_reg(0x33, 0x261C);
+ wr_reg(0x34, 0x2419);
+ wr_reg(0x35, 0x0D0B);
+ wr_reg(0x36, 0x1006);
+ wr_reg(0x37, 0x0610);
+ wr_reg(0x38, 0x0706);
+ wr_reg(0x39, 0x0304);
+ wr_reg(0x3A, 0x0E05);
+ wr_reg(0x3B, 0x0E01);
+ wr_reg(0x3C, 0x010E);
+ wr_reg(0x3D, 0x050E);
+ wr_reg(0x3E, 0x0403);
+ wr_reg(0x3F, 0x0607);
+ }
+ else { /* LCD with other LCD Controller */
+ wr_reg(0x30, 0x0006);
+ wr_reg(0x31, 0x0101);
+ wr_reg(0x32, 0x0003);
+ wr_reg(0x35, 0x0106);
+ wr_reg(0x36, 0x0B02);
+ wr_reg(0x37, 0x0302);
+ wr_reg(0x38, 0x0707);
+ wr_reg(0x39, 0x0007);
+ wr_reg(0x3C, 0x0600);
+ wr_reg(0x3D, 0x020B);
+ }
+
+ /* Set GRAM area -----------------------------------------------------------*/
+ wr_reg(0x50, 0x0000); /* Horizontal GRAM Start Address */
+ wr_reg(0x51, (HEIGHT-1)); /* Horizontal GRAM End Address */
+ wr_reg(0x52, 0x0000); /* Vertical GRAM Start Address */
+ wr_reg(0x53, (WIDTH-1)); /* Vertical GRAM End Address */
+ if (driverCode == 0x5408) /* LCD with SPFD5408 LCD Controller */
+ wr_reg(0x60, 0xA700); /* Gate Scan Line */
+ else /* LCD with other LCD Controller */
+ wr_reg(0x60, 0x2700); /* Gate Scan Line */
+ wr_reg(0x61, 0x0001); /* NDL,VLE, REV */
+ wr_reg(0x6A, 0x0000); /* Set scrolling line */
+
+ /* Partial Display Control -------------------------------------------------*/
+ wr_reg(0x80, 0x0000);
+ wr_reg(0x81, 0x0000);
+ wr_reg(0x82, 0x0000);
+ wr_reg(0x83, 0x0000);
+ wr_reg(0x84, 0x0000);
+ wr_reg(0x85, 0x0000);
+
+ /* Panel Control -----------------------------------------------------------*/
+ wr_reg(0x90, 0x0010);
+ wr_reg(0x92, 0x0000);
+ wr_reg(0x93, 0x0003);
+ wr_reg(0x95, 0x0110);
+ wr_reg(0x97, 0x0000);
+ wr_reg(0x98, 0x0000);
+
+ /* Set GRAM write direction
+ I/D=11 (Horizontal : increment, Vertical : increment) */
+
+#if (HORIZONTAL == 1)
+ /* AM=1 (address is updated in vertical writing direction) */
+ wr_reg(0x03, 0x1038);
+#else
+ /* AM=0 (address is updated in horizontal writing direction) */
+ wr_reg(0x03, 0x1030);
+#endif
+
+ wr_reg(0x07, 0x0137); /* 262K color and display ON */
+ LPC_GPIO4->FIOSET = 0x10000000;
+}
+
+
+/*******************************************************************************
+* Set draw window region *
+* Parameter: x: horizontal position *
+* y: vertical position *
+* w: window width in pixel *
+* h: window height in pixels *
+* Return: *
+*******************************************************************************/
+
+void GLCD_SetWindow (unsigned int x, unsigned int y, unsigned int w, unsigned int h) {
+
+ wr_reg(0x50, x); /* Horizontal GRAM Start Address */
+ wr_reg(0x51, x+w-1); /* Horizontal GRAM End Address (-1) */
+ wr_reg(0x52, y); /* Vertical GRAM Start Address */
+ wr_reg(0x53, y+h-1); /* Vertical GRAM End Address (-1) */
+
+ wr_reg(0x20, x);
+ wr_reg(0x21, y);
+}
+
+
+/*******************************************************************************
+* Set draw window region to whole screen *
+* Parameter: *
+* Return: *
+*******************************************************************************/
+
+void GLCD_WindowMax (void) {
+
+#if (HORIZONTAL == 1)
+ GLCD_SetWindow (0, 0, HEIGHT, WIDTH);
+#else
+ GLCD_SetWindow (0, 0, WIDTH, HEIGHT);
+#endif
+}
+
+
+/*******************************************************************************
+* Draw a pixel in foreground color *
+* Parameter: x: horizontal position *
+* y: vertical position *
+* Return: *
+*******************************************************************************/
+
+void GLCD_PutPixel (unsigned int x, unsigned int y) {
+
+#if (HORIZONTAL == 1)
+ wr_reg(0x20, y);
+ wr_reg(0x21, WIDTH-1-x);
+#else
+ wr_reg(0x20, x);
+ wr_reg(0x21, y);
+#endif
+ wr_cmd(0x22);
+ wr_dat(TextColor);
+}
+
+
+/*******************************************************************************
+* Set foreground color *
+* Parameter: color: foreground color *
+* Return: *
+*******************************************************************************/
+
+void GLCD_SetTextColor (unsigned short color) {
+
+ TextColor = color;
+}
+
+
+/*******************************************************************************
+* Set background color *
+* Parameter: color: background color *
+* Return: *
+*******************************************************************************/
+
+void GLCD_SetBackColor (unsigned short color) {
+
+ BackColor = color;
+}
+
+
+/*******************************************************************************
+* Clear display *
+* Parameter: color: display clearing color *
+* Return: *
+*******************************************************************************/
+
+void GLCD_Clear (unsigned short color) {
+ unsigned int i;
+
+ GLCD_WindowMax();
+ wr_cmd(0x22);
+ wr_dat_start();
+ for(i = 0; i < (WIDTH*HEIGHT); i++)
+ wr_dat_only(color);
+ wr_dat_stop();
+}
+
+
+/*******************************************************************************
+* Draw character on given position *
+* Parameter: x: horizontal position *
+* y: vertical position *
+* cw: character width in pixel *
+* ch: character height in pixels *
+* c: pointer to character bitmap *
+* Return: *
+*******************************************************************************/
+
+void GLCD_DrawChar_U8 (unsigned int x, unsigned int y, unsigned int cw, unsigned int ch, unsigned char *c) {
+ int idx = 0, i, j;
+
+#if (HORIZONTAL == 1)
+ x = WIDTH-x-cw;
+ GLCD_SetWindow(y, x, ch, cw);
+#else
+ GLCD_SetWindow(x, y, cw, ch);
+#endif
+ wr_cmd(0x22);
+ wr_dat_start();
+ for (j = 0; j < ch; j++) {
+#if (HORIZONTAL == 1)
+ for (i = cw-1; i >= 0; i--) {
+#else
+ for (i = 0; i <= cw-1; i++) {
+#endif
+ if((c[idx] & (1 << i)) == 0x00) {
+ wr_dat_only(BackColor);
+ } else {
+ wr_dat_only(TextColor);
+ }
+ }
+ c++;
+ }
+ wr_dat_stop();
+}
+
+
+/*******************************************************************************
+* Draw character on given position *
+* Parameter: x: horizontal position *
+* y: vertical position *
+* cw: character width in pixel *
+* ch: character height in pixels *
+* c: pointer to character bitmap *
+* Return: *
+*******************************************************************************/
+
+void GLCD_DrawChar_U16 (unsigned int x, unsigned int y, unsigned int cw, unsigned int ch, unsigned short *c) {
+ int idx = 0, i, j;
+
+#if (HORIZONTAL == 1)
+ x = WIDTH-x-cw;
+ GLCD_SetWindow(y, x, ch, cw);
+#else
+ GLCD_SetWindow(x, y, cw, ch);
+#endif
+ wr_cmd(0x22);
+ wr_dat_start();
+ for (j = 0; j < ch; j++) {
+#if (HORIZONTAL == 1)
+ for (i = cw-1; i >= 0; i--) {
+#else
+ for (i = 0; i <= cw-1; i++) {
+#endif
+ if((c[idx] & (1 << i)) == 0x00) {
+ wr_dat_only(BackColor);
+ } else {
+ wr_dat_only(TextColor);
+ }
+ }
+ c++;
+ }
+ wr_dat_stop();
+}
+
+
+/*******************************************************************************
+* Disply character on given line *
+* Parameter: ln: line number *
+* col: column number *
+* fi: font index (0 = 6x8, 1 = 16x24) *
+* c: ascii character *
+* Return: *
+*******************************************************************************/
+
+void GLCD_DisplayChar (unsigned int ln, unsigned int col, unsigned char fi, unsigned char c) {
+
+ c -= 32;
+ switch (fi) {
+ case 0: /* Font 6 x 8 */
+ GLCD_DrawChar_U8 (col * 6, ln * 8, 6, 8, (unsigned char *)&Font_6x8_h [c * 8]);
+ break;
+ case 1: /* Font 16 x 24 */
+ GLCD_DrawChar_U16(col * 16, ln * 24, 16, 24, (unsigned short *)&Font_16x24_h[c * 24]);
+ break;
+ }
+}
+
+
+/*******************************************************************************
+* Disply string on given line *
+* Parameter: ln: line number *
+* col: column number *
+* fi: font index (0 = 6x8, 1 = 16x24) *
+* s: pointer to string *
+* Return: *
+*******************************************************************************/
+
+void GLCD_DisplayString (unsigned int ln, unsigned int col, unsigned char fi, unsigned char *s) {
+
+ GLCD_WindowMax();
+ while (*s) {
+ GLCD_DisplayChar(ln, col++, fi, *s++);
+ }
+}
+
+
+/*******************************************************************************
+* Clear given line *
+* Parameter: ln: line number *
+* fi: font index (0 = 6x8, 1 = 16x24) *
+* Return: *
+*******************************************************************************/
+
+void GLCD_ClearLn (unsigned int ln, unsigned char fi) {
+ unsigned char i;
+ unsigned char buf[60];
+
+ GLCD_WindowMax();
+ switch (fi) {
+ case 0: /* Font 6 x 8 */
+ for (i = 0; i < (WIDTH+5)/6; i++)
+ buf[i] = ' ';
+ buf[i+1] = 0;
+ break;
+ case 1: /* Font 16 x 24 */
+ for (i = 0; i < (WIDTH+15)/16; i++)
+ buf[i] = ' ';
+ buf[i+1] = 0;
+ break;
+ }
+ GLCD_DisplayString (ln, 0, fi, buf);
+}
+
+/*******************************************************************************
+* Draw bargraph *
+* Parameter: x: horizontal position *
+* y: vertical position *
+* w: maximum width of bargraph (in pixels) *
+* val: value of active bargraph (in 1/1024) *
+* Return: *
+*******************************************************************************/
+
+void GLCD_Bargraph (unsigned int x, unsigned int y, unsigned int w, unsigned int h, unsigned int val) {
+ int i,j;
+
+ val = (val * w) >> 10; /* Scale value */
+#if (HORIZONTAL == 1)
+ x = WIDTH-x-w;
+ GLCD_SetWindow(y, x, h, w);
+#else
+ GLCD_SetWindow(x, y, w, h);
+#endif
+ wr_cmd(0x22);
+ wr_dat_start();
+ for (i = 0; i < h; i++) {
+#if (HORIZONTAL == 1)
+ for (j = w-1; j >= 0; j--) {
+#else
+ for (j = 0; j <= w-1; j++) {
+#endif
+ if(j >= val) {
+ wr_dat_only(BackColor);
+ } else {
+ wr_dat_only(TextColor);
+ }
+ }
+ }
+ wr_dat_stop();
+}
+
+
+/*******************************************************************************
+* Display graphical bitmap image at position x horizontally and y vertically *
+* (This function is optimized for 16 bits per pixel format, it has to be *
+* adapted for any other bits per pixel format) *
+* Parameter: x: horizontal position *
+* y: vertical position *
+* w: width of bitmap *
+* h: height of bitmap *
+* bitmap: address at which the bitmap data resides *
+* Return: *
+*******************************************************************************/
+
+void GLCD_Bitmap (unsigned int x, unsigned int y, unsigned int w, unsigned int h, unsigned char *bitmap) {
+ unsigned int i, j;
+ unsigned short *bitmap_ptr = (unsigned short *)bitmap;
+
+#if (HORIZONTAL == 1)
+ x = WIDTH-x-w;
+ GLCD_SetWindow(y, x, h, w);
+#else
+ GLCD_SetWindow(x, y, w, h);
+#endif
+ wr_cmd(0x22);
+ wr_dat_start();
+ for (j = 0; j < h; j++) {
+#if (HORIZONTAL == 1)
+ for (i = 0; i < w; i++) {
+ wr_dat_only(*bitmap_ptr++);
+ }
+#else
+ bitmap_ptr += w-1;
+ for (i = 0; i < w; i++) {
+ wr_dat_only(*bitmap_ptr--);
+ }
+ bitmap_ptr += w+1;
+#endif
+ }
+ wr_dat_stop();
+}
+
+
+/*******************************************************************************
+* Display graphical bmp file image at position x horizontally and y vertically *
+* (This function is optimized for 16 bits per pixel format, it has to be *
+* adapted for any other bits per pixel format) *
+* Parameter: x: horizontal position *
+* y: vertical position *
+* w: width of bitmap *
+* h: height of bitmap *
+* bmp: address at which the bmp data resides *
+* Return: *
+*******************************************************************************/
+
+void GLCD_Bmp (unsigned int x, unsigned int y, unsigned int w, unsigned int h, unsigned char *bmp) {
+ unsigned int i, j;
+ unsigned short *bitmap_ptr = (unsigned short *)bmp;
+
+#if (HORIZONTAL == 1)
+ x = WIDTH-x-w;
+ GLCD_SetWindow(y, x, h, w);
+#else
+ GLCD_SetWindow(x, y, w, h);
+#endif
+ wr_cmd(0x22);
+ wr_dat_start();
+#if (HORIZONTAL == 1)
+ bitmap_ptr += (h*w)-1;
+ for (j = 0; j < h; j++) {
+ for (i = 0; i < w; i++) {
+ wr_dat_only(*bitmap_ptr--);
+ }
+ }
+#else
+ bitmap_ptr += ((h-1)*w);
+ for (j = 0; j < h; j++) {
+ for (i = 0; i < w; i++) {
+ wr_dat_only(*bitmap_ptr++);
+ }
+ bitmap_ptr -= 2*w;
+ }
+#endif
+ wr_dat_stop();
+}
+
+
+/*******************************************************************************
+* Scroll content of the whole display for dy pixels vertically *
+* Parameter: dy: number of pixels for vertical scroll *
+* Return: *
+*******************************************************************************/
+
+void GLCD_ScrollVertical (unsigned int dy) {
+#if (HORIZONTAL == 0)
+ static unsigned int y = 0;
+
+ y = y + dy;
+ while (y >= HEIGHT)
+ y -= HEIGHT;
+
+ wr_reg(0x6A, y);
+ wr_reg(0x61, 3);
+#endif
+}
+
+/******************************************************************************/