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MicroView-Arduino-Library/MicroView.cpp
JP 8db48a9538 added GPL V3 License
2014-04-30 10:42:12 +10:00

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/*
MicroView Arduino Library
Copyright (C) 2014 GeekAmmo
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <avr/pgmspace.h>
//#include <SPI.h>
#include <MicroView.h>
// This fixed ugly GCC warning "only initialized variables can be placed into program memory area"
#undef PROGMEM
#define PROGMEM __attribute__((section(".progmem.data")))
// Add header of the fonts here. Remove as many as possible to conserve FLASH memory.
#include <font5x7.h>
#include <font8x16.h>
#include <fontlargenumber.h>
#include <7segment.h>
#include <space01.h>
#include <space02.h>
#include <space03.h>
// Change the total fonts included
#define TOTALFONTS 7
#define recvLEN 100
char serInStr[recvLEN]; // TODO - need to fix a value so that this will not take up too much memory.
uint8_t serCmd[recvLEN];
// Add the font name as declared in the header file. Remove as many as possible to get conserve FLASH memory.
const unsigned char *MicroView::fontsPointer[]={
font5x7
,font8x16
,sevensegment
,fontlargenumber
,space01
,space02
,space03
};
// TODO - Need to be able to let user add custom fonts from outside of the library
// TODO - getTotalFonts(), addFont() return font number, removeFont()
/*
Page buffer 64 x 48 divided by 8 = 384 bytes
Page buffer is required because in SPI mode, the host cannot read the SSD1306's GDRAM of the controller. This page buffer serves as a scratch RAM for graphical functions. All drawing function will first be drawn on this page buffer, only upon calling display() function will transfer the page buffer to the actual LCD controller's memory.
*/
static uint8_t screenmemory [] = {
// LCD Memory organised in 64 horizontal pixel and 6 rows of byte
// B B .............B -----
// y y .............y \
// t t .............t \
// e e .............e \
// 0 1 .............63 \
// \
// D0 D0.............D0 \
// D1 D1.............D1 / ROW 0
// D2 D2.............D2 /
// D3 D3.............D3 /
// D4 D4.............D4 /
// D5 D5.............D5 /
// D6 D6.............D6 /
// D7 D7.............D7 ----
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0xC0, 0xC0,
0xC0, 0xC0, 0xC0, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0xC0, 0xC0,
0xE0, 0xE0, 0xF0, 0xF0, 0x78, 0x38, 0xDC, 0xDC, 0xFE, 0xFE, 0x6F, 0x6F, 0xE7, 0xE7, 0x63, 0x61,
0xC1, 0xC1, 0xC3, 0x87, 0x87, 0x0F, 0x0F, 0x1E, 0x1E, 0x3C, 0x3C, 0x78, 0x78, 0xF0, 0xF0, 0xE0,
0xE0, 0xC0, 0xC0, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFC, 0xFE, 0xFE, 0x3F, 0x7F, 0x77, 0xF3, 0xE3,
0xE1, 0xC1, 0xC0, 0x80, 0x80, 0x07, 0x0F, 0x1F, 0x38, 0x30, 0x36, 0x76, 0x61, 0x61, 0x60, 0x68,
0x69, 0x66, 0x60, 0x61, 0xB1, 0xBF, 0xDE, 0xC0, 0xE0, 0xF0, 0xF0, 0xF8, 0xF8, 0xFC, 0xBC, 0xBF,
0xFF, 0xFF, 0xFF, 0xFF, 0x3F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x07, 0x07, 0x0F, 0xFF, 0xFE, 0xFE, 0x3C,
0x3D, 0x79, 0x7B, 0xF3, 0xF7, 0xE7, 0xCF, 0xCE, 0x9E, 0x9C, 0x3C, 0xF8, 0xF8, 0xF8, 0x7C, 0xFC,
0xFE, 0xCE, 0xEF, 0xFF, 0xFF, 0xFB, 0xFB, 0x7F, 0xFF, 0xFE, 0xFE, 0x1F, 0x0F, 0xFF, 0xFF, 0xFF,
0x01, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x03, 0x03, 0x07, 0x07, 0x0F, 0x0F, 0x0F, 0x0F, 0xFF,
0xFF, 0xFF, 0x03, 0x01, 0x7F, 0xFF, 0x7F, 0x00, 0x1F, 0x3F, 0x1F, 0x00, 0x00, 0x07, 0x0F, 0x07,
0x00, 0x01, 0x03, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03,
0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
void MicroView::begin() {
// default 5x7 font
setFontType(0);
setColor(WHITE);
setDrawMode(NORM);
setCursor(0,0);
// Setting up SPI pins
pinMode(MOSI, OUTPUT);
pinMode(SCK, OUTPUT);
//pinMode(DC, OUTPUT);
pinMode(RESET, OUTPUT);
pinMode(SS, INPUT);
digitalWrite(SS, HIGH);
ssport = portOutputRegister(digitalPinToPort(SS));
sspinmask = digitalPinToBitMask(SS);
ssreg = portModeRegister(digitalPinToPort(SS));
dcport = portOutputRegister(digitalPinToPort(DC));
dcpinmask = digitalPinToBitMask(DC);
dcreg = portModeRegister(digitalPinToPort(DC));
digitalWrite(RESET, HIGH);
// VDD (3.3V) goes high at start, lets just chill for 5 ms
delay(5);
// bring reset low
digitalWrite(RESET, LOW);
// Setup SPI frequency
MVSPI.setClockDivider(SPI_CLOCK_DIV2);
MVSPI.begin();
// wait 10ms
delay(10);
// bring out of reset
pinMode(RESET,INPUT_PULLUP);
//digitalWrite(RESET, HIGH);
// Init sequence for 64x48 OLED module
command(DISPLAYOFF); // 0xAE
command(SETDISPLAYCLOCKDIV); // 0xD5
command(0x80); // the suggested ratio 0x80
command(SETMULTIPLEX); // 0xA8
command(0x2F);
command(SETDISPLAYOFFSET); // 0xD3
command(0x0); // no offset
command(SETSTARTLINE | 0x0); // line #0
command(CHARGEPUMP); // enable charge pump
command(0x14);
command(NORMALDISPLAY); // 0xA6
command(DISPLAYALLONRESUME); // 0xA4
command(SEGREMAP | 0x1);
command(COMSCANDEC);
command(SETCOMPINS); // 0xDA
command(0x12);
command(SETCONTRAST); // 0x81
command(0x8F);
command(SETPRECHARGE); // 0xd9
command(0xF1);
command(SETVCOMDESELECT); // 0xDB
command(0x40);
command(DISPLAYON); //--turn on oled panel
clear(ALL); // Erase hardware memory inside the OLED controller to avoid random data in memory.
Serial.begin(115200);
}
void MicroView::command(uint8_t c) {
// Hardware SPI
*dcreg |= dcpinmask; // Set DC pin to OUTPUT
*dcport &= ~dcpinmask; // DC pin LOW
*ssreg |= sspinmask; // Set SS pin to OUTPUT
*ssport &= ~sspinmask; // SS LOW
MVSPI.transfer(c);
*ssport |= sspinmask; // SS HIGH
*ssreg &= ~sspinmask; // Set SS pin to INPUT
*dcreg &= ~dcpinmask; // Set DC to INPUT to avoid high voltage over driving the OLED logic
}
void MicroView::data(uint8_t c) {
// Hardware SPI
*dcport |= dcpinmask; // DC HIGH
*ssreg |= sspinmask; // Set SS pin to OUTPUT
*ssport &= ~sspinmask; // SS LOW
MVSPI.transfer(c);
*ssport |= sspinmask; // SS HIGH
*ssreg &= ~sspinmask; // Set SS pin to INPUT
*dcreg &= ~dcpinmask; // Set DC to INPUT to avoid high voltage over driving the OLED logic
}
void MicroView::setPageAddress(uint8_t add) {
add=0xb0|add;
command(add);
return;
}
void MicroView::setColumnAddress(uint8_t add) {
command((0x10|(add>>4))+0x02);
command((0x0f&add));
return;
}
/*
Clear GDRAM inside the LCD controller - mode = ALL
Clear screen page buffer - mode = PAGE
*/
void MicroView::clear(uint8_t mode) {
// uint8_t page=6, col=0x40;
if (mode==ALL) {
for (int i=0;i<8; i++) {
setPageAddress(i);
setColumnAddress(0);
for (int j=0; j<0x80; j++) {
data(0);
}
}
}
else
{
memset(screenmemory,0,384); // (64 x 48) / 8 = 384
display();
}
}
/*
Clear GDRAM inside the LCD controller - mode = ALL with c character.
Clear screen page buffer - mode = PAGE with c character.
*/
void MicroView::clear(uint8_t mode, uint8_t c) {
//uint8_t page=6, col=0x40;
if (mode==ALL) {
for (int i=0;i<8; i++) {
setPageAddress(i);
setColumnAddress(0);
for (int j=0; j<0x80; j++) {
data(c);
}
}
}
else
{
memset(screenmemory,c,384); // (64 x 48) / 8 = 384
display();
}
}
void MicroView::invert(boolean inv) {
if (inv)
command(INVERTDISPLAY);
else
command(NORMALDISPLAY);
}
void MicroView::contrast(uint8_t contrast) {
command(SETCONTRAST); // 0x81
command(contrast);
}
// This routine is to transfer the page buffer to the LCD controller's memory.
void MicroView::display(void) {
uint8_t i, j;
for (i=0; i<6; i++) {
setPageAddress(i);
setColumnAddress(0);
for (j=0;j<0x40;j++) {
data(screenmemory[i*0x40+j]);
}
}
}
#if ARDUINO >= 100
size_t MicroView::write(uint8_t c) {
#else
void MicroView::write(uint8_t c) {
#endif
if (c == '\n') {
cursorY += fontHeight;
cursorX = 0;
} else if (c == '\r') {
// skip
} else {
drawChar(cursorX, cursorY, c, foreColor, drawMode);
cursorX += fontWidth+1;
if ((cursorX > (LCDWIDTH - fontWidth))) {
cursorY += fontHeight;
cursorX = 0;
}
}
#if ARDUINO >= 100
return 1;
#endif
}
void MicroView::setCursor(uint8_t x, uint8_t y) {
cursorX=x;
cursorY=y;
}
void MicroView::pixel(uint8_t x, uint8_t y) {
pixel(x,y,foreColor,drawMode);
}
void MicroView::pixel(uint8_t x, uint8_t y, uint8_t color, uint8_t mode) {
if ((x<0) || (x>=LCDWIDTH) || (y<0) || (y>=LCDHEIGHT))
return;
if (mode==XOR) {
if (color==WHITE)
screenmemory[x+ (y/8)*LCDWIDTH] ^= _BV((y%8));
}
else {
if (color==WHITE)
screenmemory[x+ (y/8)*LCDWIDTH] |= _BV((y%8));
else
screenmemory[x+ (y/8)*LCDWIDTH] &= ~_BV((y%8));
}
//display();
}
// Draw line using current fore color and current draw mode
void MicroView::line(uint8_t x0, uint8_t y0, uint8_t x1, uint8_t y1) {
line(x0,y0,x1,y1,foreColor,drawMode);
}
// Draw line using color and mode
// bresenham's algorithm
void MicroView::line(uint8_t x0, uint8_t y0, uint8_t x1, uint8_t y1, uint8_t color, uint8_t mode) {
uint8_t steep = abs(y1 - y0) > abs(x1 - x0);
if (steep) {
swap(x0, y0);
swap(x1, y1);
}
if (x0 > x1) {
swap(x0, x1);
swap(y0, y1);
}
uint8_t dx, dy;
dx = x1 - x0;
dy = abs(y1 - y0);
int8_t err = dx / 2;
int8_t ystep;
if (y0 < y1) {
ystep = 1;
} else {
ystep = -1;}
for (; x0<x1; x0++) {
if (steep) {
pixel(y0, x0, color, mode);
} else {
pixel(x0, y0, color, mode);
}
err -= dy;
if (err < 0) {
y0 += ystep;
err += dx;
}
}
}
// Draw horizontal line using current fore color and current draw mode
void MicroView::lineH(uint8_t x, uint8_t y, uint8_t width) {
line(x,y,x+width,y,foreColor,drawMode);
}
// Draw horizontal line using color and draw mode
void MicroView::lineH(uint8_t x, uint8_t y, uint8_t width, uint8_t color, uint8_t mode) {
line(x,y,x+width,y,color,mode);
}
// Draw vertical line using current fore color and current draw mode
void MicroView::lineV(uint8_t x, uint8_t y, uint8_t height) {
line(x,y,x,y+height,foreColor,drawMode);
}
// Draw vertical line using color and draw mode
void MicroView::lineV(uint8_t x, uint8_t y, uint8_t height, uint8_t color, uint8_t mode) {
line(x,y,x,y+height,color,mode);
}
// Draw rectangle using current fore color and current draw mode
void MicroView::rect(uint8_t x, uint8_t y, uint8_t width, uint8_t height) {
rect(x,y,width,height,foreColor,drawMode);
}
// Draw rectangle using color and draw mode
void MicroView::rect(uint8_t x, uint8_t y, uint8_t width, uint8_t height, uint8_t color , uint8_t mode) {
uint8_t tempHeight;
lineH(x,y, width, color, mode);
lineH(x,y+height-1, width, color, mode);
tempHeight=height-2;
// skip drawing vertical lines to avoid overlapping of pixel that will
// affect XOR plot if no pixel in between horizontal lines
if (tempHeight<1) return;
lineV(x,y+1, tempHeight, color, mode);
lineV(x+width-1, y+1, tempHeight, color, mode);
}
// Draw filled rectangle using current fore color and current draw mode
void MicroView::rectFill(uint8_t x, uint8_t y, uint8_t width, uint8_t height) {
rectFill(x,y,width,height,foreColor,drawMode);
}
// Draw filled rectangle using color and mode
void MicroView::rectFill(uint8_t x, uint8_t y, uint8_t width, uint8_t height, uint8_t color , uint8_t mode) {
// TODO - need to optimise the memory map draw so that this function will not call pixel one by one
for (int i=x; i<x+width;i++) {
lineV(i,y, height, color, mode);
}
}
// Draw circle using current fore color and current draw mode
void MicroView::circle(uint8_t x0, uint8_t y0, uint8_t radius) {
circle(x0,y0,radius,foreColor,drawMode);
}
// Draw circle using color and mode
void MicroView::circle(uint8_t x0, uint8_t y0, uint8_t radius, uint8_t color, uint8_t mode) {
//TODO - find a way to check for no overlapping of pixels so that XOR draw mode will work perfectly
int8_t f = 1 - radius;
int8_t ddF_x = 1;
int8_t ddF_y = -2 * radius;
int8_t x = 0;
int8_t y = radius;
pixel(x0, y0+radius, color, mode);
pixel(x0, y0-radius, color, mode);
pixel(x0+radius, y0, color, mode);
pixel(x0-radius, y0, color, mode);
while (x<y) {
if (f >= 0) {
y--;
ddF_y += 2;
f += ddF_y;
}
x++;
ddF_x += 2;
f += ddF_x;
pixel(x0 + x, y0 + y, color, mode);
pixel(x0 - x, y0 + y, color, mode);
pixel(x0 + x, y0 - y, color, mode);
pixel(x0 - x, y0 - y, color, mode);
pixel(x0 + y, y0 + x, color, mode);
pixel(x0 - y, y0 + x, color, mode);
pixel(x0 + y, y0 - x, color, mode);
pixel(x0 - y, y0 - x, color, mode);
}
}
// Draw filled circle using current fore color and current draw mode
void MicroView::circleFill(uint8_t x0, uint8_t y0, uint8_t radius) {
circleFill(x0,y0,radius,foreColor,drawMode);
}
// Draw filled circle using color and mode
void MicroView::circleFill(uint8_t x0, uint8_t y0, uint8_t radius, uint8_t color, uint8_t mode) {
// TODO - - find a way to check for no overlapping of pixels so that XOR draw mode will work perfectly
int8_t f = 1 - radius;
int8_t ddF_x = 1;
int8_t ddF_y = -2 * radius;
int8_t x = 0;
int8_t y = radius;
// Temporary disable fill circle for XOR mode.
if (mode==XOR) return;
for (uint8_t i=y0-radius; i<=y0+radius; i++) {
pixel(x0, i, color, mode);
}
while (x<y) {
if (f >= 0) {
y--;
ddF_y += 2;
f += ddF_y;
}
x++;
ddF_x += 2;
f += ddF_x;
for (uint8_t i=y0-y; i<=y0+y; i++) {
pixel(x0+x, i, color, mode);
pixel(x0-x, i, color, mode);
}
for (uint8_t i=y0-x; i<=y0+x; i++) {
pixel(x0+y, i, color, mode);
pixel(x0-y, i, color, mode);
}
}
}
uint8_t MicroView::getLCDHeight(void) {
return LCDHEIGHT;
}
uint8_t MicroView::getLCDWidth(void) {
return LCDWIDTH;
}
uint8_t MicroView::getFontWidth(void) {
return fontWidth;
}
uint8_t MicroView::getFontHeight(void) {
return fontHeight;
}
uint8_t MicroView::getFontStartChar(void) {
return fontStartChar;
}
uint8_t MicroView::getFontTotalChar(void) {
return fontTotalChar;
}
uint8_t MicroView::getTotalFonts(void) {
return TOTALFONTS;
}
uint8_t MicroView::getFontType(void) {
return fontType;
}
uint8_t MicroView::setFontType(uint8_t type) {
if ((type>=TOTALFONTS) || (type<0))
return false;
fontType=type;
fontWidth=pgm_read_byte(fontsPointer[fontType]+0);
fontHeight=pgm_read_byte(fontsPointer[fontType]+1);
fontStartChar=pgm_read_byte(fontsPointer[fontType]+2);
fontTotalChar=pgm_read_byte(fontsPointer[fontType]+3);
fontMapWidth=(pgm_read_byte(fontsPointer[fontType]+4)*100)+pgm_read_byte(fontsPointer[fontType]+5); // two bytes values into integer 16
return true;
}
void MicroView::setColor(uint8_t color) {
foreColor=color;
}
void MicroView::setDrawMode(uint8_t mode) {
drawMode=mode;
}
// Draw character using current fore color and current draw mode
void MicroView::drawChar(uint8_t x, uint8_t y, uint8_t c) {
drawChar(x,y,c,foreColor,drawMode);
}
// Draw character using color and mode
void MicroView::drawChar(uint8_t x, uint8_t y, uint8_t c, uint8_t color, uint8_t mode) {
// TODO - New routine to take font of any height, at the moment limited to font height in multiple of 8 pixels
uint8_t rowsToDraw,row, tempC;
uint8_t i,j,temp;
uint16_t charPerBitmapRow,charColPositionOnBitmap,charRowPositionOnBitmap,charBitmapStartPosition;
if ((c<fontStartChar) || (c>(fontStartChar+fontTotalChar-1))) // no bitmap for the required c
return;
tempC=c-fontStartChar;
// each row (in datasheet is call page) is 8 bits high, 16 bit high character will have 2 rows to be drawn
rowsToDraw=fontHeight/8; // 8 is LCD's page size, see SSD1306 datasheet
if (rowsToDraw<=1) rowsToDraw=1;
// the following draw function can draw anywhere on the screen, but SLOW pixel by pixel draw
if (rowsToDraw==1) {
for (i=0;i<fontWidth+1;i++) {
if (i==fontWidth) // this is done in a weird way because for 5x7 font, there is no margin, this code add a margin after col 5
temp=0;
else
temp=pgm_read_byte(fontsPointer[fontType]+FONTHEADERSIZE+(tempC*fontWidth)+i);
for (j=0;j<8;j++) { // 8 is the LCD's page height (see datasheet for explanation)
if (temp & 0x1) {
pixel(x+i, y+j, color,mode);
}
else {
pixel(x+i, y+j, !color,mode);
}
temp >>=1;
}
}
return;
}
// font height over 8 bit
// take character "0" ASCII 48 as example
charPerBitmapRow=fontMapWidth/fontWidth; // 256/8 =32 char per row
charColPositionOnBitmap=tempC % charPerBitmapRow; // =16
charRowPositionOnBitmap=int(tempC/charPerBitmapRow); // =1
charBitmapStartPosition=(charRowPositionOnBitmap * fontMapWidth * (fontHeight/8)) + (charColPositionOnBitmap * fontWidth) ;
// each row on LCD is 8 bit height (see datasheet for explanation)
for(row=0;row<rowsToDraw;row++) {
for (i=0; i<fontWidth;i++) {
temp=pgm_read_byte(fontsPointer[fontType]+FONTHEADERSIZE+(charBitmapStartPosition+i+(row*fontMapWidth)));
for (j=0;j<8;j++) { // 8 is the LCD's page height (see datasheet for explanation)
if (temp & 0x1) {
pixel(x+i,y+j+(row*8), color, mode);
}
else {
pixel(x+i,y+j+(row*8), !color, mode);
}
temp >>=1;
}
}
}
/*
fast direct memory draw but has a limitation to draw in ROWS
// only 1 row to draw for font with 8 bit height
if (rowsToDraw==1) {
for (i=0; i<fontWidth; i++ ) {
screenmemory[temp + (line*LCDWIDTH) ] = pgm_read_byte(fontsPointer[fontType]+FONTHEADERSIZE+(c*fontWidth)+i);
temp++;
}
return;
}
// font height over 8 bit
// take character "0" ASCII 48 as example
charPerBitmapRow=fontMapWidth/fontWidth; // 256/8 =32 char per row
charColPositionOnBitmap=c % charPerBitmapRow; // =16
charRowPositionOnBitmap=int(c/charPerBitmapRow); // =1
charBitmapStartPosition=(fontMapWidth * (fontHeight/8)) + (charColPositionOnBitmap * fontWidth);
temp=x;
for (row=0; row<rowsToDraw; row++) {
for (i=0; i<fontWidth; i++ ) {
screenmemory[temp + (( (line*(fontHeight/8)) +row)*LCDWIDTH) ] = pgm_read_byte(fontsPointer[fontType]+FONTHEADERSIZE+(charBitmapStartPosition+i+(row*fontMapWidth)));
temp++;
}
temp=x;
}
*/
}
void MicroView::scrollStop(void){
command(DEACTIVATESCROLL);
}
void MicroView::scrollRight(uint8_t start, uint8_t stop){
if (stop<start) // stop must be larger or equal to start
return;
scrollStop(); // need to disable scrolling before starting to avoid memory corrupt
command(RIGHTHORIZONTALSCROLL);
command(0x00);
command(start);
command(0x7); // scroll speed frames , TODO
command(stop);
command(0x00);
command(0xFF);
command(ACTIVATESCROLL);
}
void MicroView::flipVertical(boolean flip) {
if (flip) {
command(COMSCANINC);
}
else {
command(COMSCANDEC);
}
}
void MicroView::flipHorizontal(boolean flip) {
if (flip) {
command(SEGREMAP | 0x0);
}
else {
command(SEGREMAP | 0x1);
}
}
void MicroView::doCmd(uint8_t cmdCount) {
// decode command
switch (serCmd[0]) {
case CMD_CLEAR: {
if (cmdCount==1) {
Serial.print("clear ");
Serial.println(serCmd[1]);
clear(serCmd[1]);
} else if (cmdCount==2) {
Serial.print("clear ");
Serial.print(serCmd[1]);
Serial.print(" ");
Serial.println(serCmd[2]);
clear(serCmd[1], serCmd[2]);
}
break;
}
case CMD_INVERT: {
if (cmdCount==1) {
Serial.print("invert ");
Serial.println(serCmd[1]);
invert(serCmd[1]);
}
break;
}
case CMD_CONTRAST: {
if (cmdCount==1) {
Serial.print("contrast ");
Serial.println(serCmd[1]);
contrast(serCmd[1]);
}
break;
}
case CMD_DISPLAY: {
if (cmdCount==0) {
Serial.println("display");
display();
}
break;
}
case CMD_SETCURSOR: {
if (cmdCount==2) {
Serial.print("setCursor ");
Serial.print(serCmd[1]);
Serial.print(" ");
Serial.println(serCmd[2]);
setCursor(serCmd[1], serCmd[2]);
}
break;
}
case CMD_PIXEL: {
if (cmdCount==2) {
Serial.print("pixel ");
Serial.print(serCmd[1]);
Serial.print(" ");
Serial.println(serCmd[2]);
pixel(serCmd[1],serCmd[2]);
display();
} else if (cmdCount=4) {
Serial.print("pixel ");
Serial.print(serCmd[1]);
Serial.print(" ");
Serial.println(serCmd[2]);
Serial.print(" ");
Serial.print(serCmd[3]);
Serial.print(" ");
Serial.println(serCmd[4]);
pixel(serCmd[1],serCmd[2],serCmd[3],serCmd[4]);
display();
}
break;
}
case CMD_LINE: {
if (cmdCount==4) {
Serial.print("line ");
Serial.print(serCmd[1]);
Serial.print(" ");
Serial.print(serCmd[2]);
Serial.print(" ");
Serial.print(serCmd[3]);
Serial.print(" ");
Serial.println(serCmd[4]);
line(serCmd[1],serCmd[2],serCmd[3],serCmd[4]);
display();
} else if (cmdCount==6) {
Serial.print("line ");
Serial.print(serCmd[1]);
Serial.print(" ");
Serial.print(serCmd[2]);
Serial.print(" ");
Serial.print(serCmd[3]);
Serial.print(" ");
Serial.print(serCmd[4]);
Serial.print(" ");
Serial.print(serCmd[5]);
Serial.print(" ");
Serial.println(serCmd[6]);
line(serCmd[1],serCmd[2],serCmd[3],serCmd[4],serCmd[5],serCmd[6]);
display();
}
break;
}
case CMD_LINEH: {
if (cmdCount==3) {
Serial.print("lineH ");
Serial.print(serCmd[1]);
Serial.print(" ");
Serial.print(serCmd[2]);
Serial.print(" ");
Serial.println(serCmd[3]);
lineH(serCmd[1], serCmd[2], serCmd[3]);
display();
} else if (cmdCount==5) {
Serial.print("lineH ");
Serial.print(serCmd[1]);
Serial.print(" ");
Serial.print(serCmd[2]);
Serial.print(" ");
Serial.print(serCmd[3]);
Serial.print(" ");
Serial.print(serCmd[4]);
Serial.print(" ");
Serial.println(serCmd[5]);
lineH(serCmd[1], serCmd[2], serCmd[3], serCmd[4], serCmd[5]);
display();
}
break;
}
case CMD_LINEV: {
if (cmdCount==3) {
Serial.print("lineH ");
Serial.print(serCmd[1]);
Serial.print(" ");
Serial.print(serCmd[2]);
Serial.print(" ");
Serial.println(serCmd[3]);
lineV(serCmd[1], serCmd[2], serCmd[3]);
display();
} else if (cmdCount==5) {
Serial.print("lineH ");
Serial.print(serCmd[1]);
Serial.print(" ");
Serial.print(serCmd[2]);
Serial.print(" ");
Serial.print(serCmd[3]);
Serial.print(" ");
Serial.print(serCmd[4]);
Serial.print(" ");
Serial.println(serCmd[5]);
lineV(serCmd[1], serCmd[2], serCmd[3], serCmd[4], serCmd[5]);
display();
}
break;
}
case CMD_RECT: {
if (cmdCount==4) {
Serial.print("rect ");
Serial.print(serCmd[1]);
Serial.print(" ");
Serial.print(serCmd[2]);
Serial.print(" ");
Serial.print(serCmd[3]);
Serial.print(" ");
Serial.println(serCmd[4]);
rect(serCmd[1], serCmd[2], serCmd[3], serCmd[4]);
display();
} else if (cmdCount==6) {
Serial.print("rect ");
Serial.print(serCmd[1]);
Serial.print(" ");
Serial.print(serCmd[2]);
Serial.print(" ");
Serial.print(serCmd[3]);
Serial.print(" ");
Serial.print(serCmd[4]);
Serial.print(" ");
Serial.print(serCmd[5]);
Serial.print(" ");
Serial.println(serCmd[6]);
rect(serCmd[1], serCmd[2], serCmd[3], serCmd[4], serCmd[5], serCmd[6]);
display();
}
break;
}
case CMD_RECTFILL: {
if (cmdCount==4) {
Serial.print("rectFill ");
Serial.print(serCmd[1]);
Serial.print(" ");
Serial.print(serCmd[2]);
Serial.print(" ");
Serial.print(serCmd[3]);
Serial.print(" ");
Serial.println(serCmd[4]);
rectFill(serCmd[1], serCmd[2], serCmd[3], serCmd[4]);
display();
} else if (cmdCount==6) {
Serial.print("rectFill ");
Serial.print(serCmd[1]);
Serial.print(" ");
Serial.print(serCmd[2]);
Serial.print(" ");
Serial.print(serCmd[3]);
Serial.print(" ");
Serial.print(serCmd[4]);
Serial.print(" ");
Serial.print(serCmd[5]);
Serial.print(" ");
Serial.println(serCmd[6]);
rectFill(serCmd[1], serCmd[2], serCmd[3], serCmd[4], serCmd[5], serCmd[6]);
display();
}
break;
}
case CMD_CIRCLE: {
if (cmdCount==3) {
Serial.print("circle ");
Serial.print(serCmd[1]);
Serial.print(" ");
Serial.print(serCmd[2]);
Serial.print(" ");
Serial.println(serCmd[3]);
circle(serCmd[1], serCmd[2], serCmd[3]);
display();
} else if (cmdCount==5) {
Serial.print("circle ");
Serial.print(serCmd[1]);
Serial.print(" ");
Serial.print(serCmd[2]);
Serial.print(" ");
Serial.print(serCmd[3]);
Serial.print(" ");
Serial.print(serCmd[4]);
Serial.print(" ");
Serial.println(serCmd[5]);
circle(serCmd[1], serCmd[2], serCmd[3], serCmd[4], serCmd[5]);
display();
}
break;
}
case CMD_CIRCLEFILL: {
if (cmdCount==3) {
Serial.print("circle ");
Serial.print(serCmd[1]);
Serial.print(" ");
Serial.print(serCmd[2]);
Serial.print(" ");
Serial.println(serCmd[3]);
circleFill(serCmd[1], serCmd[2], serCmd[3]);
display();
} else if (cmdCount==5) {
Serial.print("circle ");
Serial.print(serCmd[1]);
Serial.print(" ");
Serial.print(serCmd[2]);
Serial.print(" ");
Serial.print(serCmd[3]);
Serial.print(" ");
Serial.print(serCmd[4]);
Serial.print(" ");
Serial.println(serCmd[5]);
circleFill(serCmd[1], serCmd[2], serCmd[3], serCmd[4], serCmd[5]);
display();
}
break;
}
case CMD_DRAWCHAR: {
if (cmdCount==3) {
Serial.print("drawChar ");
Serial.print(serCmd[1]);
Serial.print(" ");
Serial.print(serCmd[2]);
Serial.print(" ");
Serial.println(serCmd[3]);
drawChar(serCmd[1], serCmd[2], serCmd[3]);
display();
} else if (cmdCount==5) {
Serial.print("drawChar ");
Serial.print(serCmd[1]);
Serial.print(" ");
Serial.print(serCmd[2]);
Serial.print(" ");
Serial.print(serCmd[3]);
Serial.print(" ");
Serial.print(serCmd[4]);
Serial.print(" ");
Serial.println(serCmd[5]);
drawChar(serCmd[1], serCmd[2], serCmd[3], serCmd[4], serCmd[5]);
display();
}
break;
}
case CMD_DRAWBITMAP: {
// TODO
break;
}
case CMD_GETLCDWIDTH: {
if (cmdCount==0) {
Serial.print("LCDWidth=");
Serial.println(getLCDWidth());
}
break;
}
case CMD_GETLCDHEIGHT: {
if (cmdCount==0) {
Serial.print("LCDHeight=");
Serial.println(getLCDHeight());
}
break;
}
case CMD_SETCOLOR: {
if (cmdCount==1) {
Serial.print("setColor ");
Serial.println(serCmd[1]);
setColor(serCmd[1]);
}
break;
}
case CMD_SETDRAWMODE: {
if (cmdCount==1) {
Serial.print("drawMode ");
Serial.println(serCmd[1]);
setDrawMode(serCmd[1]);
}
break;
}
default:
break;
}
}
void MicroView::checkComm(void) {
int count = readSerial();
char *result;
uint8_t index=0;
int temp;
if (count>0) {
// process Serial data
result=strtok(serInStr,",");
if (result !=NULL) {
temp=atoi(result);
serCmd[index]=(uint8_t)temp & 0xff; // we only need 8 bit number
index++;
for (uint8_t i;i<recvLEN;i++) {
result=strtok(NULL,",");
if (result != NULL) {
temp=atoi(result);
serCmd[index]=(uint8_t)temp & 0xff; // we only need 8 bit number
index++;
}
else {
break;
}
}
/*
// debug output
Serial.print("command received=");
Serial.println(index);
for (uint8_t i=0;i<index;i++) {
Serial.println(serCmd[i]);
}
*/
}
doCmd(index-1); // index-1 is the total parameters count of a command
}
}
int MicroView::readSerial(void)
{
int i=0;
if(!Serial.available())
return -1;
while (Serial.available()>0)
{
if( i < recvLEN)
{
serInStr[i++] = Serial.read();
delay(2);
}
else
break;
}
serInStr[i]='\0';
return i;
}
// -------------------------------------------------------------------------------------
// MicroViewWidget Class - start
// -------------------------------------------------------------------------------------
MicroViewWidget::MicroViewWidget(uint8_t newx, uint8_t newy, int16_t min, int16_t max) {
setX(newx);
setY(newy);
value=0;
setMinValue(min);
setMaxValue(max);
}
uint8_t MicroViewWidget::getX() { return x; }
uint8_t MicroViewWidget::getY() { return y; }
void MicroViewWidget::setX(uint8_t newx) { x = newx; }
void MicroViewWidget::setY(uint8_t newy) { y = newy; }
int16_t MicroViewWidget::getMinValue() { return minValue; }
int16_t MicroViewWidget::getMaxValue() { return maxValue; }
int16_t MicroViewWidget::getValue() { return value; }
void MicroViewWidget::setMinValue(int16_t min) { minValue=min; }
void MicroViewWidget::setMaxValue(int16_t max) { maxValue=max; }
void MicroViewWidget::setValue(int16_t val) {
if ((val<=maxValue) && (val>=minValue)){
value=val;
this->draw();
}
}
// -------------------------------------------------------------------------------------
// MicroViewWidget Class - end
// -------------------------------------------------------------------------------------
// -------------------------------------------------------------------------------------
// Slider Widget - start
// -------------------------------------------------------------------------------------
MicroViewSlider::MicroViewSlider(uint8_t newx, uint8_t newy, int16_t min, int16_t max):MicroViewWidget(newx, newy, min, max) {
style=0;
totalTicks=30;
needFirstDraw=true;
prevValue=getMinValue();
drawFace();
draw();
}
MicroViewSlider::MicroViewSlider(uint8_t newx, uint8_t newy, int16_t min, int16_t max, uint8_t sty):MicroViewWidget(newx, newy, min, max) {
if (sty==WIDGETSTYLE0) {
style=0;
totalTicks=30;
}
else {
style=1;
totalTicks=60;
}
needFirstDraw=true;
prevValue=getMinValue();
drawFace();
draw();
}
void MicroViewSlider::drawFace() {
uint8_t offsetX, offsetY, majorLine;
offsetX=getX();
offsetY=getY();
if(style>0)
majorLine=7;
else
majorLine=4;
// Draw major tickers
for (uint8_t i=0; i<majorLine;i++) {
uView.lineV(offsetX+1+(i*10), offsetY+3, 5);
}
// Draw minor tickers
for (uint8_t i=0; i<4;i++) {
uView.lineV(offsetX+3+(i*2), offsetY+5, 3);
}
for (uint8_t i=0; i<4;i++) {
uView.lineV(offsetX+13+(i*2), offsetY+5, 3);
}
for (uint8_t i=0; i<4;i++) {
uView.lineV(offsetX+23+(i*2), offsetY+5, 3);
}
if(style>0) {
for (uint8_t i=0; i<4;i++) {
uView.lineV(offsetX+33+(i*2), offsetY+5, 3);
}
if (style>0) {
for (uint8_t i=0; i<4;i++) {
uView.lineV(offsetX+43+(i*2), offsetY+5, 3);
}
for (uint8_t i=0; i<4;i++) {
uView.lineV(offsetX+53+(i*2), offsetY+5, 3);
}
}
}
}
void MicroViewSlider::draw() {
uint8_t offsetX, offsetY;
uint8_t tickPosition=0;
char strBuffer[5];
offsetX=getX();
offsetY=getY();
if (needFirstDraw) {
uView.lineH(offsetX+tickPosition,offsetY, 3, WHITE, XOR);
uView.pixel(offsetX+1+tickPosition,offsetY+1, WHITE, XOR);
sprintf(strBuffer,"%4d", prevValue); // we need to force 4 digit so that blank space will cover larger value
needFirstDraw=false;
}
else {
// Draw previous pointer in XOR mode to erase it
tickPosition= (((float)(prevValue-getMinValue())/(float)(getMaxValue()-getMinValue()))*totalTicks);
uView.lineH(offsetX+tickPosition,offsetY, 3, WHITE, XOR);
uView.pixel(offsetX+1+tickPosition,offsetY+1, WHITE, XOR);
// Draw current pointer
tickPosition= (((float)(getValue()-getMinValue())/(float)(getMaxValue()-getMinValue()))*totalTicks);
uView.lineH(offsetX+tickPosition,offsetY, 3, WHITE, XOR);
uView.pixel(offsetX+1+tickPosition,offsetY+1, WHITE, XOR);
sprintf(strBuffer,"%4d", getValue()); // we need to force 4 digit so that blank space will cover larger value
prevValue=getValue();
}
// Draw value
if(style>0)
uView.setCursor(offsetX,offsetY+10);
else
uView.setCursor(offsetX+34,offsetY+1);
uView.print(strBuffer);
}
// -------------------------------------------------------------------------------------
// Slider Widget - end
// -------------------------------------------------------------------------------------
// -------------------------------------------------------------------------------------
// Gauge Widget - start
// -------------------------------------------------------------------------------------
MicroViewGauge::MicroViewGauge(uint8_t newx, uint8_t newy, int16_t min, int16_t max):MicroViewWidget(newx, newy, min, max) {
style=0;
radius=15;
needFirstDraw=true;
prevValue=getMinValue();
drawFace();
draw();
}
MicroViewGauge::MicroViewGauge(uint8_t newx, uint8_t newy, int16_t min, int16_t max, uint8_t sty):MicroViewWidget(newx, newy, min, max) {
if (sty==WIDGETSTYLE0) {
style=0;
radius=15;
}
else {
style=1;
radius=23;
}
needFirstDraw=true;
prevValue=getMinValue();
drawFace();
draw();
}
void MicroViewGauge::drawFace() {
uint8_t offsetX, offsetY, majorLine;
float degreeSec, fromSecX, fromSecY, toSecX, toSecY;
offsetX=getX();
offsetY=getY();
uView.circle(offsetX,offsetY,radius);
for (int i=150;i<=390;i+=30) { // Major tick from 150 degree to 390 degree
degreeSec=i*(PI/180);
fromSecX = cos(degreeSec) * (radius / 1.5);
fromSecY = sin(degreeSec) * (radius / 1.5);
toSecX = cos(degreeSec) * (radius / 1);
toSecY = sin(degreeSec) * (radius / 1);
uView.line(1+offsetX+fromSecX,1+offsetY+fromSecY,1+offsetX+toSecX,1+offsetY+toSecY);
}
if(radius>15) {
for (int i=150;i<=390;i+=15) { // Minor tick from 150 degree to 390 degree
degreeSec=i*(PI/180);
fromSecX = cos(degreeSec) * (radius / 1.3);
fromSecY = sin(degreeSec) * (radius / 1.3);
toSecX = cos(degreeSec) * (radius / 1);
toSecY = sin(degreeSec) * (radius / 1);
uView.line(1+offsetX+fromSecX,1+offsetY+fromSecY,1+offsetX+toSecX,1+offsetY+toSecY);
}
}
}
void MicroViewGauge::draw() {
uint8_t offsetX, offsetY;
uint8_t tickPosition=0;
float degreeSec, fromSecX, fromSecY, toSecX, toSecY;
char strBuffer[5];
offsetX=getX();
offsetY=getY();
if (needFirstDraw) {
degreeSec = (((float)(prevValue-getMinValue())/(float)(getMaxValue()-getMinValue()))*240); // total 240 degree in the widget
degreeSec = (degreeSec+150) * (PI/180); // 150 degree starting point
toSecX = cos(degreeSec) * (radius / 1.2);
toSecY = sin(degreeSec) * (radius / 1.2);
uView.line(offsetX,offsetY,1+offsetX+toSecX,1+offsetY+toSecY, WHITE,XOR);
sprintf(strBuffer,"%4d", prevValue); // we need to force 4 digit so that blank space will cover larger value
needFirstDraw=false;
}
else {
// Draw previous pointer in XOR mode to erase it
degreeSec = (((float)(prevValue-getMinValue())/(float)(getMaxValue()-getMinValue()))*240); // total 240 degree in the widget
degreeSec = (degreeSec+150) * (PI/180);
toSecX = cos(degreeSec) * (radius / 1.2);
toSecY = sin(degreeSec) * (radius / 1.2);
uView.line(offsetX,offsetY,1+offsetX+toSecX,1+offsetY+toSecY, WHITE,XOR);
degreeSec = (((float)(getValue()-getMinValue())/(float)(getMaxValue()-getMinValue()))*240); // total 240 degree in the widget
degreeSec = (degreeSec+150) * (PI/180); // 150 degree starting point
toSecX = cos(degreeSec) * (radius / 1.2);
toSecY = sin(degreeSec) * (radius / 1.2);
uView.line(offsetX,offsetY,1+offsetX+toSecX,1+offsetY+toSecY, WHITE,XOR);
sprintf(strBuffer,"%4d", getValue()); // we need to force 4 digit so that blank space will cover larger value
prevValue=getValue();
}
// Draw value
if(style>0)
uView.setCursor(offsetX-10,offsetY+10);
else
uView.setCursor(offsetX-11,offsetY+11);
uView.print(strBuffer);
}
// -------------------------------------------------------------------------------------
// Slider Widget - end
// -------------------------------------------------------------------------------------
void MVSPIClass::begin() {
// Set SS to high so a connected chip will be "deselected" by default
digitalWrite(SS, HIGH);
// When the SS pin is set as OUTPUT, it can be used as
// a general purpose output port (it doesn't influence
// SPI operations).
pinMode(SS, OUTPUT);
// Warning: if the SS pin ever becomes a LOW INPUT then SPI
// automatically switches to Slave, so the data direction of
// the SS pin MUST be kept as OUTPUT.
SPCR |= _BV(MSTR);
SPCR |= _BV(SPE);
// Set direction register for SCK and MOSI pin.
// MISO pin automatically overrides to INPUT.
// By doing this AFTER enabling SPI, we avoid accidentally
// clocking in a single bit since the lines go directly
// from "input" to SPI control.
// http://code.google.com/p/arduino/issues/detail?id=888
pinMode(SCK, OUTPUT);
pinMode(MOSI, OUTPUT);
}
void MVSPIClass::end() {
SPCR &= ~_BV(SPE);
}
void MVSPIClass::setBitOrder(uint8_t bitOrder)
{
if(bitOrder == LSBFIRST) {
SPCR |= _BV(DORD);
} else {
SPCR &= ~(_BV(DORD));
}
}
void MVSPIClass::setDataMode(uint8_t mode)
{
SPCR = (SPCR & ~SPI_MODE_MASK) | mode;
}
void MVSPIClass::setClockDivider(uint8_t rate)
{
SPCR = (SPCR & ~SPI_CLOCK_MASK) | (rate & SPI_CLOCK_MASK);
SPSR = (SPSR & ~SPI_2XCLOCK_MASK) | ((rate >> 2) & SPI_2XCLOCK_MASK);
}
MVSPIClass MVSPI;
MicroView uView;
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