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wepdl.cpp
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wepdl.cpp
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// =====================================================================================================================
//
// File : wepdl.cpp
// Tested on : Arduino-IDE (1.8.2 & 1.9.0 Beta31), Arduino Uno/Nano; Lolin Nodemcu v3, Wemos d1 mini
// Version : 0.0.3
// Created by : Tadeusz Miszczyk (tadeusz.miszczyk[at]gmail.com)
// Library : https:/8tm/wepdl
// Wiki : https:/8tm/wepdl/wiki
// Last changes : 2019-11-06
//
// =====================================================================================================================
#include "wepdl.h"
//----------------------------------------------------------------------------------------------------------------------
extern "C" {
#include "user_interface.h"
}
//----------------------------------------------------------------------------------------------------------------------
wepdl :: wepdl ( uint8_t rx,
uint8_t tx,
uint8_t wake_up,
uint8_t reset )
{
_wake_up = wake_up;
_reset = reset;
SoftSerial = new SoftwareSerial( rx, tx );
}
//----------------------------------------------------------------------------------------------------------------------
void wepdl::_putchars( const unsigned char * ptr,
int n )
{
int i,
x;
for( i = 0; i < n; i++ )
{
x = ptr[i];
SoftSerial->write( x );
}
}
//----------------------------------------------------------------------------------------------------------------------
unsigned char wepdl::_verify( const void * ptr,
int n )
{
int i;
unsigned char * p = ( unsigned char * ) ptr;
unsigned char result;
for( i = 0, result = 0; i < n; i++ )
{
result ^= p[i];
}
return result;
}
//----------------------------------------------------------------------------------------------------------------------
void wepdl::initialize ( void )
{
SoftSerial->begin( 115200 );
pinMode( _wake_up, HIGH );
pinMode( _reset, HIGH );
}
//----------------------------------------------------------------------------------------------------------------------
void wepdl::goSleep ( void )
{
memcpy( _cmd_buff, _cmd_stopmode, 8 );
_cmd_buff[8] = _verify( _cmd_buff, 8 );
_putchars( _cmd_buff, 9 );
}
//----------------------------------------------------------------------------------------------------------------------
void wepdl::handShake ( void )
{
memcpy( _cmd_buff, _cmd_handshake, 8 );
_cmd_buff[8] = _verify( _cmd_buff, 8 );
_putchars( _cmd_buff, 9 );
}
//----------------------------------------------------------------------------------------------------------------------
void wepdl::reset( void )
{
digitalWrite( _reset, LOW );
delayMicroseconds( 10 );
digitalWrite( _reset, HIGH );
delayMicroseconds( 500 );
digitalWrite( _reset, LOW );
delay( 3000 );
}
//----------------------------------------------------------------------------------------------------------------------
void wepdl::wakeUp ( void )
{
digitalWrite( _wake_up, LOW );
delayMicroseconds( 10 );
digitalWrite( _wake_up, HIGH );
delayMicroseconds( 500 );
digitalWrite( _wake_up, LOW );
delay( 10 );
}
//----------------------------------------------------------------------------------------------------------------------
void wepdl::readBaud ( void )
{
memcpy( _cmd_buff, _cmd_read_baud, 8 );
_cmd_buff[8] = _verify( _cmd_buff, 8 );
_putchars( _cmd_buff, 9 );
}
//----------------------------------------------------------------------------------------------------------------------
void wepdl::clearScreen ( void )
{
_cmd_buff[0] = 0xA5;
_cmd_buff[1] = 0x00;
_cmd_buff[2] = 0x09;
_cmd_buff[3] = 0x2E;
_cmd_buff[4] = 0xCC;
_cmd_buff[5] = 0x33;
_cmd_buff[6] = 0xC3;
_cmd_buff[7] = 0x3C;
_cmd_buff[8] = _verify( _cmd_buff, 8 );
_putchars( _cmd_buff, 9 );
}
//----------------------------------------------------------------------------------------------------------------------
void wepdl::rotateScreen ( unsigned char mode )
{
_cmd_buff[0] = 0xA5;
_cmd_buff[1] = 0x00;
_cmd_buff[2] = 0x0A;
_cmd_buff[3] = 0x0D;
_cmd_buff[4] = mode;
_cmd_buff[5] = 0xCC;
_cmd_buff[6] = 0x33;
_cmd_buff[7] = 0xC3;
_cmd_buff[8] = 0x3C;
_cmd_buff[9] = _verify( _cmd_buff, 9 );
_putchars( _cmd_buff, 10 );
}
//----------------------------------------------------------------------------------------------------------------------
void wepdl::updateScreen ( void )
{
memcpy( _cmd_buff, _cmd_update, 8 );
_cmd_buff[8] = _verify( _cmd_buff, 8 );
_putchars( _cmd_buff, 9 );
}
//----------------------------------------------------------------------------------------------------------------------
void wepdl::setBaud ( long baud )
{
_cmd_buff[0] = 0xA5;
_cmd_buff[1] = 0x00;
_cmd_buff[2] = 0x0D;
_cmd_buff[3] = 0x01;
_cmd_buff[4] = ( baud >> 24 ) & 0xFF;
_cmd_buff[5] = ( baud >> 16 ) & 0xFF;
_cmd_buff[6] = ( baud >> 8 ) & 0xFF;
_cmd_buff[7] = baud & 0xFF;
_cmd_buff[8] = 0xCC;
_cmd_buff[9] = 0x33;
_cmd_buff[10] = 0xC3;
_cmd_buff[11] = 0x3C;
_cmd_buff[12] = _verify( _cmd_buff, 12 );
_putchars( _cmd_buff, 13 );
delay( 10 );
SoftSerial->begin( baud );
}
//----------------------------------------------------------------------------------------------------------------------
void wepdl::setColor ( unsigned char color,
unsigned char background_color,
bool global_color )
{
_cmd_buff[0] = 0xA5;
_cmd_buff[1] = 0x00;
_cmd_buff[2] = 0x0B;
_cmd_buff[3] = 0x10;
_cmd_buff[4] = color;
_cmd_buff[5] = background_color;
_cmd_buff[6] = 0xCC;
_cmd_buff[7] = 0x33;
_cmd_buff[8] = 0xC3;
_cmd_buff[9] = 0x3C;
_cmd_buff[10] = _verify( _cmd_buff, 10 );
_putchars( _cmd_buff, 11 );
if ( global_color )
{
_global_color = color;
_global_background_color = background_color;
}
}
//----------------------------------------------------------------------------------------------------------------------
void wepdl::setFont ( unsigned char font,
unsigned char language )
{
_cmd_buff[0] = 0xA5;
_cmd_buff[1] = 0x00;
_cmd_buff[2] = 0x0A;
_cmd_buff[3] = language;
_cmd_buff[4] = font;
_cmd_buff[5] = 0xCC;
_cmd_buff[6] = 0x33;
_cmd_buff[7] = 0xC3;
_cmd_buff[8] = 0x3C;
_cmd_buff[9] = _verify( _cmd_buff, 9 );
_putchars( _cmd_buff, 10 );
}
//----------------------------------------------------------------------------------------------------------------------
void wepdl::setMemory ( unsigned char mode )
{
_cmd_buff[0] = 0xA5;
_cmd_buff[1] = 0x00;
_cmd_buff[2] = 0x0A;
_cmd_buff[3] = 0x07;
_cmd_buff[4] = mode;
_cmd_buff[5] = 0xCC;
_cmd_buff[6] = 0x33;
_cmd_buff[7] = 0xC3;
_cmd_buff[8] = 0x3C;
_cmd_buff[9] = _verify( _cmd_buff, 9 );
_putchars( _cmd_buff, 10 );
}
//----------------------------------------------------------------------------------------------------------------------
void wepdl::displayBitmap ( int x,
int y,
const void * p )
{
int string_size;
unsigned char * ptr = ( unsigned char * ) p;
string_size = strlen( ( const char * ) ptr );
string_size += 14;
_cmd_buff[0] = 0xA5;
_cmd_buff[1] = ( string_size >> 8 ) & 0xFF;
_cmd_buff[2] = string_size & 0xFF;
_cmd_buff[3] = 0x70;
_cmd_buff[4] = ( x >> 8 ) & 0xFF;
_cmd_buff[5] = x & 0xFF;
_cmd_buff[6] = ( y >> 8 ) & 0xFF;
_cmd_buff[7] = y & 0xFF;
strcpy( ( char * )( &_cmd_buff[8] ), ( const char * ) ptr );
string_size -= 5;
_cmd_buff[string_size] = 0xCC;
_cmd_buff[string_size + 1] = 0x33;
_cmd_buff[string_size + 2] = 0xC3;
_cmd_buff[string_size + 3] = 0x3C;
_cmd_buff[string_size + 4] = _verify( _cmd_buff, string_size + 4 );
_putchars( _cmd_buff, string_size + 5 );
}
//----------------------------------------------------------------------------------------------------------------------
void wepdl::displayCharacter ( int x,
int y,
unsigned char ch )
{
unsigned char buff[2];
buff[0] = ch;
buff[1] = 0;
displayText( x, y, buff );
}
//----------------------------------------------------------------------------------------------------------------------
void wepdl::displayText ( int x,
int y,
const void * p )
{
int string_size;
unsigned char * ptr = ( unsigned char * ) p;
string_size = strlen( ( const char * ) ptr );
string_size += 14;
_cmd_buff[0] = 0xA5;
_cmd_buff[1] = ( string_size >> 8 ) & 0xFF;
_cmd_buff[2] = string_size & 0xFF;
_cmd_buff[3] = 0x30;
_cmd_buff[4] = ( x >> 8 ) & 0xFF;
_cmd_buff[5] = x & 0xFF;
_cmd_buff[6] = ( y >> 8 ) & 0xFF;
_cmd_buff[7] = y & 0xFF;
strcpy( ( char * )( &_cmd_buff[8] ), ( const char * ) ptr );
string_size -= 5;
_cmd_buff[string_size] = 0xCC;
_cmd_buff[string_size + 1] = 0x33;
_cmd_buff[string_size + 2] = 0xC3;
_cmd_buff[string_size + 3] = 0x3C;
_cmd_buff[string_size + 4] = _verify( _cmd_buff, string_size + 4 );
_putchars( _cmd_buff, string_size + 5 );
}
//----------------------------------------------------------------------------------------------------------------------
void wepdl::Picture ( void )
{
memcpy( _cmd_buff, _cmd_load_pic, 8 );
_cmd_buff[8] = _verify( _cmd_buff, 8 );
_putchars( _cmd_buff, 9 );
}
//----------------------------------------------------------------------------------------------------------------------
void wepdl::FontLoad ( void )
{
memcpy( _cmd_buff, _cmd_load_font, 8 );
_cmd_buff[8] = _verify( _cmd_buff, 8 );
_putchars( _cmd_buff, 9 );
}
//----------------------------------------------------------------------------------------------------------------------
void wepdl::drawPixel ( int x,
int y )
{
_cmd_buff[0] = 0xA5;
_cmd_buff[1] = 0x00;
_cmd_buff[2] = 0x0D;
_cmd_buff[3] = 0x20;
_cmd_buff[4] = ( x >> 8 ) & 0xFF;
_cmd_buff[5] = x & 0xFF;
_cmd_buff[6] = ( y >> 8 ) & 0xFF;
_cmd_buff[7] = y & 0xFF;
_cmd_buff[8] = 0xCC;
_cmd_buff[9] = 0x33;
_cmd_buff[10] = 0xC3;
_cmd_buff[11] = 0x3C;
_cmd_buff[12] = _verify( _cmd_buff, 12 );
_putchars( _cmd_buff, 13 );
}
//----------------------------------------------------------------------------------------------------------------------
void wepdl::drawLine ( int A_x,
int A_y,
int B_x,
int B_y,
int thickness )
{
int counter = 1,
Ax = A_x,
Ay = A_y,
Bx = B_x,
By = B_y;
for ( counter = 1; counter <= thickness; counter++ )
{
_cmd_buff[0] = 0xA5;
_cmd_buff[1] = 0x00;
_cmd_buff[2] = 0x11;
_cmd_buff[3] = 0x22;
_cmd_buff[4] = ( Ax >> 8 ) & 0xFF;
_cmd_buff[5] = Ax & 0xFF;
_cmd_buff[6] = ( Ay >> 8 ) & 0xFF;
_cmd_buff[7] = Ay & 0xFF;
_cmd_buff[8] = ( Bx >> 8 ) & 0xFF;
_cmd_buff[9] = Bx & 0xFF;
_cmd_buff[10] = ( By >> 8 ) & 0xFF;
_cmd_buff[11] = By & 0xFF;
_cmd_buff[12] = 0xCC;
_cmd_buff[13] = 0x33;
_cmd_buff[14] = 0xC3;
_cmd_buff[15] = 0x3C;
_cmd_buff[16] = _verify( _cmd_buff, 16 );
_putchars( _cmd_buff, 17 );
if ( A_y == B_y ) { Ay++; By++; }
else if ( A_x == B_x ) { Ax++; Bx++; }
else if ( ( A_x != B_x ) && ( A_y != B_y ) )
{
if ( A_y < B_y ) { Ax++; Bx++; Ay--; By--; }
else if ( A_y > B_y ) { Ax++; Bx++; Ay++; By++; };
};
}
}
//----------------------------------------------------------------------------------------------------------------------
void wepdl::drawCircle ( int x,
int y,
int radius,
bool fill )
{
_cmd_buff[0] = 0xA5;
_cmd_buff[1] = 0x00;
_cmd_buff[2] = 0x0F;
if (fill) { _cmd_buff[3] = 0x27; }
else { _cmd_buff[3] = 0x26; };
_cmd_buff[4] = ( x >> 8 ) & 0xFF;
_cmd_buff[5] = x & 0xFF;
_cmd_buff[6] = ( y >> 8 ) & 0xFF;
_cmd_buff[7] = y & 0xFF;
_cmd_buff[8] = ( radius >> 8 ) & 0xFF;
_cmd_buff[9] = radius & 0xFF;
_cmd_buff[10] = 0xCC;
_cmd_buff[11] = 0x33;
_cmd_buff[12] = 0xC3;
_cmd_buff[13] = 0x3C;
_cmd_buff[14] = _verify( _cmd_buff, 14 );
_putchars( _cmd_buff, 15 );
}
//----------------------------------------------------------------------------------------------------------------------
void wepdl::drawRing ( int x,
int y,
int radius,
int border,
unsigned char color,
unsigned char background_color )
{
setColor ( color, background_color, false );
drawCircle ( x, y, radius, true );
setColor ( background_color, color, false );
drawCircle ( x, y, ( ( border - radius ) * -1 ), true );
setColor ( _global_color, _global_background_color );
}
//----------------------------------------------------------------------------------------------------------------------
void wepdl::drawTriangle ( int A_x,
int A_y,
int B_x,
int B_y,
int C_x,
int C_y,
bool fill )
{
_cmd_buff[0] = 0xA5;
_cmd_buff[1] = 0x00;
_cmd_buff[2] = 0x15;
if (fill) { _cmd_buff[3] = 0x29; }
else { _cmd_buff[3] = 0x28; };
_cmd_buff[4] = ( A_x >> 8 ) & 0xFF;
_cmd_buff[5] = A_x & 0xFF;
_cmd_buff[6] = ( A_y >> 8 ) & 0xFF;
_cmd_buff[7] = A_y & 0xFF;
_cmd_buff[8] = ( B_x >> 8 ) & 0xFF;
_cmd_buff[9] = B_x & 0xFF;
_cmd_buff[10] = ( B_y >> 8 ) & 0xFF;
_cmd_buff[11] = B_y & 0xFF;
_cmd_buff[12] = ( C_x >> 8 ) & 0xFF;
_cmd_buff[13] = C_x & 0xFF;
_cmd_buff[14] = ( C_y >> 8 ) & 0xFF;
_cmd_buff[15] = C_y & 0xFF;
_cmd_buff[16] = 0xCC;
_cmd_buff[17] = 0x33;
_cmd_buff[18] = 0xC3;
_cmd_buff[19] = 0x3C;
_cmd_buff[20] = _verify( _cmd_buff, 20 );
_putchars( _cmd_buff, 21 );
}
//----------------------------------------------------------------------------------------------------------------------
void wepdl::drawRectangle ( int A_x,
int A_y,
int C_x,
int C_y,
bool fill )
{
_cmd_buff[0] = 0xA5;
_cmd_buff[1] = 0x00;
_cmd_buff[2] = 0x11;
if (fill) { _cmd_buff[3] = 0x24; }
else { _cmd_buff[3] = 0x25; };
_cmd_buff[4] = ( A_x >> 8 ) & 0xFF;
_cmd_buff[5] = A_x & 0xFF;
_cmd_buff[6] = ( A_y >> 8 ) & 0xFF;
_cmd_buff[7] = A_y & 0xFF;
_cmd_buff[8] = ( C_x >> 8 ) & 0xFF;
_cmd_buff[9] = C_x & 0xFF;
_cmd_buff[10] = ( C_y >> 8 ) & 0xFF;
_cmd_buff[11] = C_y & 0xFF;
_cmd_buff[12] = 0xCC;
_cmd_buff[13] = 0x33;
_cmd_buff[14] = 0xC3;
_cmd_buff[15] = 0x3C;
_cmd_buff[16] = _verify( _cmd_buff, 16 );
_putchars( _cmd_buff, 17 );
}
//----------------------------------------------------------------------------------------------------------------------