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custom.ts
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custom.ts
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/**
* Provides functions to control any OLED display (128x128) with a SH1107 chip along with Calliope Mini and I2C-interface
*/
// Thanks to Michael Klein for the regular character code and the ExtendedCharactersCode
// https://github.com/MKleinSB/pxt-OLED-SSD1306
// MIT License Copyright (c) 2019 Michael Klein
//
// Last updates by Franz Xaver Stolz, 19.06.2022
//
// MIT License Copyright (c) 2022 Franz Xaver Stolz
// enumeraion for the display background color
enum BckColor {
BLACK = 0x00,
WHITE = 0x01
}
/**
* Functions to operate a OLED-module (128x128) with a SH1107 driver that is connected to grove interface (I2C-Interface)
*/
//% weight=10 color=#9F79EE icon="\uf108" block="OLED-Display SH1107"
namespace groveOledDisplay {
// Defined bit pattern for adressing the SH1107 ship via I2C
const DATAMODE = 0x4000 // Coding for the command byte in order to set OLED-display into "Data Mode"
const COMMANDMODE = 0x0000 // Coding for the command byte in order to set OLED-display into "command mode"
const OLEDADDRESS = 0x3c // reflects the I2C-address for the OLED DisplayMode
// set the oled display to Data Mode and send one data byte to the oled display
function sendData(data:number) {
pins.i2cWriteNumber(OLEDADDRESS, DATAMODE + data, NumberFormat.UInt16BE, false);
}
// set the oled display to Command Mode and send one command byte to the oled display
function sendCommand(cmd:number) {
pins.i2cWriteNumber(OLEDADDRESS, COMMANDMODE + cmd, NumberFormat.UInt16BE, false);
}
/**
* Writes a single character to the display.
*/
function putChar(c: string) {
let c1 = c.charCodeAt(0);
switch (c1) {
case 196: writeCustomChar(extendedCharacters[0]); break;
case 214: writeCustomChar(extendedCharacters[1]); break;
case 220: writeCustomChar(extendedCharacters[2]); break;
case 228: writeCustomChar(extendedCharacters[3]); break;
case 246: writeCustomChar(extendedCharacters[4]); break;
case 252: writeCustomChar(extendedCharacters[5]); break;
case 223: writeCustomChar(extendedCharacters[6]); break;
case 172: writeCustomChar(extendedCharacters[7]); break;
case 176: writeCustomChar(extendedCharacters[8]); break;
default:
if (c1 < 32 || c1 > 127) //Ignore non-printable ASCII characters. This can be modified for multilingual font.
{
writeCustomChar("\x00\xFF\x81\x81\x81\xFF\x00\x00");
} else {
writeCustomChar(basicFont[c1 - 32]);
}
}
}
/**
* Writes a string at the current cursor position at the display.
*/
//% block="schreibe %s|auf das Display"
//% s.defl="Hello"
//% weight=90
export function writeString(s: string) {
for (let c of s) {
putChar(c);
}
}
/**
* Writes a custom character to the display
* at the current cursor position.
* A character is a string of 8 bytes. Each byte represesnts
* a line of the character. The eight bits of each byte
* represent the pixels of a line of the character.
* Ex. "\x00\xFF\x81\x81\x81\xFF\x00\x00"
* ! ! ! Only use in Javascriptmode! In Blockmode Makecode adds
* extra backslashes. ! ! !
*/
//% block="schreibe eigenes Zeichen %c"
//% advanced=true
//% weight=29
export function writeCustomChar(c: string) {
for (let i = 0; i < 8; i++) {
sendData(c.charCodeAt(i));
}
}
/**
* Initialize the OLED Display
*/
//% block="initialisiere OLED Display"
//% advanced=false
//% weight=100
export function init() {
sendCommand(0xae); // Display OFF
//sendCommand(0xd5); // Set Dclk
//sendCommand(0x50); // 100Hz
sendCommand(0x20); // Set row address
sendCommand(0x81); // Set contrast control
sendCommand(0x80); // contrast value
//sendCommand(0xa0); // Segment remap
sendCommand(0xa4); // Set Entire Display ON
sendCommand(0xa6); // Normal display
//sendCommand(0xad); // Set external VCC
//sendCommand(0x80);
//sendCommand(0xc0); // Set Common scan direction
//sendCommand(0xd9); // Set phase leghth
//sendCommand(0x1f);
//sendCommand(0xdb); // Set Vcomh voltage
//sendCommand(0x27);
sendCommand(0xaf); // Display ON
sendCommand(0xb0); // set the current cursor postition to x=0
sendCommand(0x00); // set the current cursor postition to Y=0
sendCommand(0x11); // set the current cursor postition to Y=0
}
/**
* Set cursor position at the diplay
* @param row which row to display - range from 0 to 15 (Page-addressing)
* @param col which col to display - range from 0 to 127 (Pixel-adressing)
*/
//% block="setzte Cursor auf Reihe|%row|und Spalte|%col"
//% row.min=0 row.max=15
//% col.min=0 col.max=127
//% advanced=false
//% weight=91
export function setTextXY(row:number, col:number) {
let col_l = col % 16;
let col_h = (col / 16)+0x10;
sendCommand(0xb0+row);
sendCommand(col_l);
sendCommand(col_h);
}
/**
* Flip the dispay up side down
* @param direction Down to flip the display and Up to turn back to normal direction
*/
//% block="drehe Display $direction"
//% direction.shadow="toggleYesNo"
//% advanced=false
//% weight=85
export function flipDisplay(direction:boolean) {
if (direction){
sendCommand(0xA0);
sendCommand(0xC0);
clearDisplay();
sendCommand(0xb0);
sendCommand(0x0);
sendCommand(0x10);
}
else {
sendCommand(0xA1);
sendCommand(0xC8);
clearDisplay();
sendCommand(0xb0);
sendCommand(0x0);
sendCommand(0x10);
}
}
/**
* Clear entire display
*/
//% block="loesche Display"
//% advanced=false
//% weight=99
export function clearDisplay() {
for(let i=0; i<16;i++){
sendCommand(0xb0+i);
sendCommand(0x0);
sendCommand(0x10);
for(let j=0; j<128;j++){
sendData(0x00);
}
}
}
/**
* Display an integer number at the current cursor position
* @param num an integer number to display.
*/
//% block="schreibe Zahl |%num|"
//% advanced=false
//% weight=89
export function putNumber(num:number) {
//writeString("" + num);
writeString(num.toString());
}
/**
* Adjust the contrast of the display
* @param num contrast value from 0 to 255.
*/
//% block="verändere Display-Kontrast |%num|"
//% num.min=0 num.max=255
//% num.defl=80
//% advanced=true
//% weight=50
export function setContrast(num:number) {
let TempCont = num
if (num < 0) {
TempCont = 0;
} else if (num > 255) {
TempCont = 255;
} else {
TempCont = num;
}
pins.i2cWriteNumber(
OLEDADDRESS,
0x81,
NumberFormat.UInt16BE,
true
);
pins.i2cWriteNumber(
OLEDADDRESS,
TempCont,
NumberFormat.UInt16BE,
false
);
}
/**
* Adjust the background color of the display
* @param num could be either black or white
*/
//% block="verändere Hindergrundfarbe %bckcolor"
//% advanced=true
//% weight=46
export function setBackground(bckcolor:BckColor) {
if (bckcolor){
sendCommand(0xA7);
}
else {
sendCommand(0xA6);
}
}
/**
* Display a bitmap (max. 32x32 pixels)
* @param x_start horizontal start position (upper left corner of the bitmap)
* @param y_start vertical start position (upper left corner of the bitmap)
* @param row_number vertical size of the bitmap in number of rows (max 4 rows = 32pixel)
* @param column_number horizontal size of the bitmap in number of pixels (max 32pixel)
* @param bitmap array with bitmap data
*/
//% block="zeichne bitmap bei row|%x_start|und column|%y_start|, size: row|%row_number|und column|%column_number|, bitmap:|%bitmap|"
//% x.min=0 x.max=15
//% y.min=0 y.max=127
//% row_number.min=0 row_number.max=4
//% column_number.min=0 column_number.max=32
//% advanced=true
//% weight=10
export function drawBitmap(x_start:number,y_start:number,row_number:number,column_number:number,bitmap:number[]) {
let x_end = x_start+row_number;
let y_end = y_start+column_number;
if (x_end > 16) x_end = 16;
if (y_end > 128) y_end = 128;
let x_offset = 0;
let y_offset = 0;
for (let i=x_start; i<x_end; i++) {
y_offset = 0;
for (let j=y_start; j<y_end; j++) {
let temp_byte = bitmap[column_number*x_offset+y_offset];
y_offset++;
sendCommand(0xb0+i);
sendCommand(j % 16);
sendCommand(j/16 + 0x10);
sendData(temp_byte);
}
x_offset ++ ;
}
}
/**
* draw a single pixel at the display
* @param x horizontal position (0 - 127)
* @param y vertical position (0 - 127)
* @param data shall be 0x01 for turning on the respective pixel eg. 0x01
*/
//% block="zeichne Pixel bei Zeile|%x|und Spalte|%y|, Wert|%data|"
//% x.min=0 x.max=127
//% y.min=0 y.max=127
//% data.defl=0x01
//% advanced=true
//% weight=25
export function drawPixel(x: number, y:number, data:number) {
let xTemp = x;
let yTemp = y;
let dataTemp = data;
if (x<0) xTemp = 0;
else if (x>127) xTemp = 127;
if (y<0) y = 0;
else if (y>127) yTemp = 127;
if (data < 0) dataTemp = 0;
else if (data > 255) dataTemp = 255;
setTextXY(xTemp/8,yTemp);
sendData(dataTemp);
}
/**
* Draw a horizontal line
* @param x defines the horizontal (x) start position for the line
* @param y defines the vertical (y) start position for the line
* @param len defines the length of the line in number of pixels
*/
//% block="zeichne horizontale Linie ab x|%x|und y|%y|mit Länge|%len|"
//% advanced=false
//% weight=70
//% y.min=0 y.max=127
//% x.min=0 x.max=127
//% len.min=1 len.max=128
export function drawHLine(x: number, y: number, len: number) {
let y_max = y + len;
if (y_max > 128) y_max = 128;
for (let i=y;i<y_max;i++) {
drawPixel(x,i,0x01<<(x%8));
}
}
/**
* Draw a verticale line
* @param x defines the horizontal (x) start position for the line
* @param y defines the vertical (y) start position for the line
* @param len defines the length of the vertical line in number of pixels
*/
//% block="zeichne vertikale Linie ab x|%x|und y|%y| mit Länge|%len|"
//% y.min=0 y.max=127
//% x.min=0 x.max=127
//% len.min=1 len.max=128
//% advanced=false
//% weight=69
export function drawVLine(x: number, y: number, len: number):void {
let x_min = 0;
let x_max = 0;
x_min = Math.floor((x / 8));
x_max = x + len;
x_min = x_min * 8;
if (x_max > 128) x_max = 128;
while ((x_max % 8) != 0) {
x_max++;
}
let last_bit = 0xff;
for (let i=0;i<(x_max-x-len);i++) {
last_bit = last_bit - (0x01<<(7-i));
}
let first_bit = 0xff;
for (let i=0;i<(x-x_min);i++) {
first_bit = first_bit - (0x01<<i);
}
if (x_max - x_min > 16) {
drawPixel(x_min,y,first_bit);
for (let i=x_min+8;i<x_max-8;i=i+8){
drawPixel(i,y,0xff);
}
drawPixel(x_max-1,y,last_bit);
}
else if (x_max - x_min == 16) {
drawPixel(x_min,y,first_bit);
drawPixel(x_max-1,y,last_bit);
}
else {
drawPixel(x_min,y,(first_bit & last_bit));
}
}
/**
* Draw a rectangle
* @param x1 x-coordinate for the upper left corner of the rectangle
* @param y1 y-coordinate for the upper left corner of the rectangle
* @param x2 x-coordinate for the lower right corner of the rectangle
* @param y2 y-coordinate for the lower right corner of the rectangle
*/
//% block="zeichne Rechteck |von x1 %x1 und y1 %y1 | bis x2 %x2 und y2 %y2|"
//% y1.min=0 y1.max=127
//% x1.min=0 x1.max=127
//% y2.min=0 y2.max=127
//% x2.min=0 x2.max=127
//% advanced=true
//% weight=31
export function drawRec(
x1:number, y1:number,
x2:number, y2:number):void {
let temp = 0;
if (y2<y1) {
temp = y2;
y2 = y1;
y1 = temp;
}
if (x2<x1) {
temp = x2;
x2 = x1;
x1 = temp;
}
drawHLine(x1,y1,y2-y1+1);
drawHLine(x2,y1,y2-y1+1);
drawVLine(x1,y1,x2-x1+1);
drawVLine(x1,y2,x2-x1+1);
}
const basicFont: string[] = [
"\x00\x00\x00\x00\x00\x00\x00\x00", // " "
"\x00\x00\x5F\x00\x00\x00\x00\x00", // "!"
"\x00\x00\x07\x00\x07\x00\x00\x00", // """
"\x00\x14\x7F\x14\x7F\x14\x00\x00", // "#"
"\x00\x24\x2A\x7F\x2A\x12\x00\x00", // "$"
"\x00\x23\x13\x08\x64\x62\x00\x00", // "%"
"\x00\x36\x49\x55\x22\x50\x00\x00", // "&"
"\x00\x00\x05\x03\x00\x00\x00\x00", // "'"
"\x00\x1C\x22\x41\x00\x00\x00\x00", // "("
"\x00\x41\x22\x1C\x00\x00\x00\x00", // ")"
"\x00\x08\x2A\x1C\x2A\x08\x00\x00", // "*"
"\x00\x08\x08\x3E\x08\x08\x00\x00", // "+"
"\x00\xA0\x60\x00\x00\x00\x00\x00", // ","
"\x00\x08\x08\x08\x08\x08\x00\x00", // "-"
"\x00\x60\x60\x00\x00\x00\x00\x00", // "."
"\x00\x20\x10\x08\x04\x02\x00\x00", // "/"
"\x00\x3E\x51\x49\x45\x3E\x00\x00", // "0"
"\x00\x00\x42\x7F\x40\x00\x00\x00", // "1"
"\x00\x62\x51\x49\x49\x46\x00\x00", // "2"
"\x00\x22\x41\x49\x49\x36\x00\x00", // "3"
"\x00\x18\x14\x12\x7F\x10\x00\x00", // "4"
"\x00\x27\x45\x45\x45\x39\x00\x00", // "5"
"\x00\x3C\x4A\x49\x49\x30\x00\x00", // "6"
"\x00\x01\x71\x09\x05\x03\x00\x00", // "7"
"\x00\x36\x49\x49\x49\x36\x00\x00", // "8"
"\x00\x06\x49\x49\x29\x1E\x00\x00", // "9"
"\x00\x00\x36\x36\x00\x00\x00\x00", // ":"
"\x00\x00\xAC\x6C\x00\x00\x00\x00", // ";"
"\x00\x08\x14\x22\x41\x00\x00\x00", // "<"
"\x00\x14\x14\x14\x14\x14\x00\x00", // "="
"\x00\x41\x22\x14\x08\x00\x00\x00", // ">"
"\x00\x02\x01\x51\x09\x06\x00\x00", // "?"
"\x00\x32\x49\x79\x41\x3E\x00\x00", // "@"
"\x00\x7E\x09\x09\x09\x7E\x00\x00", // "A"
"\x00\x7F\x49\x49\x49\x36\x00\x00", // "B"
"\x00\x3E\x41\x41\x41\x22\x00\x00", // "C"
"\x00\x7F\x41\x41\x22\x1C\x00\x00", // "D"
"\x00\x7F\x49\x49\x49\x41\x00\x00", // "E"
"\x00\x7F\x09\x09\x09\x01\x00\x00", // "F"
"\x00\x3E\x41\x41\x51\x72\x00\x00", // "G"
"\x00\x7F\x08\x08\x08\x7F\x00\x00", // "H"
"\x00\x41\x7F\x41\x00\x00\x00\x00", // "I"
"\x00\x20\x40\x41\x3F\x01\x00\x00", // "J"
"\x00\x7F\x08\x14\x22\x41\x00\x00", // "K"
"\x00\x7F\x40\x40\x40\x40\x00\x00", // "L"
"\x00\x7F\x02\x0C\x02\x7F\x00\x00", // "M"
"\x00\x7F\x04\x08\x10\x7F\x00\x00", // "N"
"\x00\x3E\x41\x41\x41\x3E\x00\x00", // "O"
"\x00\x7F\x09\x09\x09\x06\x00\x00", // "P"
"\x00\x3E\x41\x51\x21\x5E\x00\x00", // "Q"
"\x00\x7F\x09\x19\x29\x46\x00\x00", // "R"
"\x00\x26\x49\x49\x49\x32\x00\x00", // "S"
"\x00\x01\x01\x7F\x01\x01\x00\x00", // "T"
"\x00\x3F\x40\x40\x40\x3F\x00\x00", // "U"
"\x00\x1F\x20\x40\x20\x1F\x00\x00", // "V"
"\x00\x3F\x40\x38\x40\x3F\x00\x00", // "W"
"\x00\x63\x14\x08\x14\x63\x00\x00", // "X"
"\x00\x03\x04\x78\x04\x03\x00\x00", // "Y"
"\x00\x61\x51\x49\x45\x43\x00\x00", // "Z"
"\x00\x7F\x41\x41\x00\x00\x00\x00", // """
"\x00\x02\x04\x08\x10\x20\x00\x00", // "\"
"\x00\x41\x41\x7F\x00\x00\x00\x00", // """
"\x00\x04\x02\x01\x02\x04\x00\x00", // "^"
"\x00\x80\x80\x80\x80\x80\x00\x00", // "_"
"\x00\x01\x02\x04\x00\x00\x00\x00", // "`"
"\x00\x20\x54\x54\x54\x78\x00\x00", // "a"
"\x00\x7F\x48\x44\x44\x38\x00\x00", // "b"
"\x00\x38\x44\x44\x28\x00\x00\x00", // "c"
"\x00\x38\x44\x44\x48\x7F\x00\x00", // "d"
"\x00\x38\x54\x54\x54\x18\x00\x00", // "e"
"\x00\x08\x7E\x09\x02\x00\x00\x00", // "f"
"\x00\x18\xA4\xA4\xA4\x7C\x00\x00", // "g"
"\x00\x7F\x08\x04\x04\x78\x00\x00", // "h"
"\x00\x00\x7D\x00\x00\x00\x00\x00", // "i"
"\x00\x80\x84\x7D\x00\x00\x00\x00", // "j"
"\x00\x7F\x10\x28\x44\x00\x00\x00", // "k"
"\x00\x41\x7F\x40\x00\x00\x00\x00", // "l"
"\x00\x7C\x04\x18\x04\x78\x00\x00", // "m"
"\x00\x7C\x08\x04\x7C\x00\x00\x00", // "n"
"\x00\x38\x44\x44\x38\x00\x00\x00", // "o"
"\x00\xFC\x24\x24\x18\x00\x00\x00", // "p"
"\x00\x18\x24\x24\xFC\x00\x00\x00", // "q"
"\x00\x00\x7C\x08\x04\x00\x00\x00", // "r"
"\x00\x48\x54\x54\x24\x00\x00\x00", // "s"
"\x00\x04\x7F\x44\x00\x00\x00\x00", // "t"
"\x00\x3C\x40\x40\x7C\x00\x00\x00", // "u"
"\x00\x1C\x20\x40\x20\x1C\x00\x00", // "v"
"\x00\x3C\x40\x30\x40\x3C\x00\x00", // "w"
"\x00\x44\x28\x10\x28\x44\x00\x00", // "x"
"\x00\x1C\xA0\xA0\x7C\x00\x00\x00", // "y"
"\x00\x44\x64\x54\x4C\x44\x00\x00", // "z"
"\x00\x08\x36\x41\x00\x00\x00\x00", // "{"
"\x00\x00\x7F\x00\x00\x00\x00\x00", // "|"
"\x00\x41\x36\x08\x00\x00\x00\x00", // "}"
"\x00\x02\x01\x01\x02\x01\x00\x00" // "~"
] ;
const extendedCharacters: string[] = [
"\x00\x7D\x0A\x09\x0A\x7D\x00\x00", // "Ä"
"\x00\x3D\x42\x41\x42\x3D\x00\x00", // "Ö"
"\x00\x3D\x40\x40\x40\x3D\x00\x00", // "Ü"
"\x00\x21\x54\x54\x55\x78\x00\x00", // "ä"
"\x00\x39\x44\x44\x39\x00\x00\x00", // "ö"
"\x00\x3D\x40\x40\x7D\x00\x00\x00", // "ü"
"\x00\xFE\x09\x49\x36\x00\x00\x00", // "ß"
"\x00\x14\x3E\x55\x55\x55\x14\x00", // "€"
"\x00\x02\x05\x02\x00\x00\x00\x00" // "°"
];
}