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RDA5807_fmradio_3buttons_ver0.ino
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RDA5807_fmradio_3buttons_ver0.ino
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// Nicu Florica (aka niq_ro) from http://www.tehnic.go.ro made a small change for nice display for low frequence (bellow 100MHz)
// it use info from http://full-chip.net/arduino-proekty/97-cifrovoy-fm-priemnik-na-arduino-i-module-rda5807-s-graficheskim-displeem-i-funkciey-rds.html
// original look like is from http://seta43.hol.es/radiofm.html
#include <Wire.h>
#define DEBUG 0
const int entrada = A0;
int entradaV = 0;
int menu;
#define MAXmenu 4
int menux;
#define MAXmenux 4
static char* menuS[]= {" ","MANUAL TUNE","VOLUME ","AUTO TUNE","INFO "};
int volumen=2,volumenOld=7;
int frecuencia,frecuenciaOld;
unsigned int z,z1;
byte xfrecu,xfrecuOld;
unsigned int estado[6];
unsigned long time,time1,time2,time3;
// int RDA5807_adrs=0x10; // I2C-Address RDA Chip for sequential Access
// int RDA5807_adrr=0x11; // I2C-Address RDA Chip for random Access
// int RDA5807_adrt=0x60; // I2C-Address RDA Chip for TEA5767like Access
char buffer[30];
unsigned int RDS[4];
char seg_RDS[8];
char seg_RDS1[64];
char indexRDS1;
char hora,minuto,grupo,versio;
unsigned long julian;
int mezcla;
void setup()
{
Wire.begin();
Serial.begin(9600);
LcdInitialise();
LcdClear();
// drawBox();
// WriteReg(0x02,0xC001); // write 0xC002 into Reg.2 (soft reset, enable,RDS, )
WriteReg(0x02,0xC00d); // write 0xC00d into Reg.2 ( soft reset, enable,RDS, )
WriteReg(0x05,0x84d8); // write ,0x84d8 into Reg.3
// frecuencia inicial = frecvencia * 0.1 + 87
frecuencia=175; //104.7
//frecuencia=130; //100.0 ==>
// frecuencia=26; //89.6
time3=time2=time1=time = millis();
menu=3;
canal(frecuencia);
clearRDS;
}
void loop() {
entradaV = analogRead(entrada);
#if DEBUG
Serial.print("sensor = " ); Serial.println(entradaV);delay(50);
#endif
// Boton menu
if(entradaV>500 && entradaV<524)
{
menu++;
if(menu>MAXmenu)menu=1;
Visualizar();
// sprintf(buffer,"Menu->%s",menuS[menu]); gotoXY(2,2); LcdString(buffer);
#if DEBUG
Serial.print("menu = " ); Serial.println(menu);
#endif
while(1020>analogRead(entrada))delay(5);
}
// Boton derecho
if( entradaV<50)
{
menux++;
if(menux>MAXmenux)menux=MAXmenux;
#if DEBUG
Serial.print("menux = " ); Serial.println(menux);
#endif
switch(menu)
{
case 1:
frecuencia++;
if(frecuencia>210)frecuencia=210; // верхняя граница частот
delay(130);
break;
case 2:
volumen++;
if(volumen>15)volumen=15;
while(1020>analogRead(entrada))delay(5);
break;
case 3:
busqueda(0);
while(1020>analogRead(entrada))delay(5);
break;
case 4:
LcdClear();
visualPI();
delay(3000);
LcdClear();
frecuenciaOld=-1;
break;
}
}
// Boton izquierdo
if( entradaV<700 && entradaV>660)
{
menux--;
if(menux<1)menux=1;
#if DEBUG
Serial.print("menux = " ); Serial.println(menux);
#endif
switch(menu)
{
case 1:
frecuencia--;
if(frecuencia<0)frecuencia=0;
delay(130);
break;
case 2:
volumen--;
if(volumen<0)volumen=0;
while(1020>analogRead(entrada))delay(5);
break;
case 3:
busqueda(1);
while(1020>analogRead(entrada))delay(5);
break;
case 4:
LcdClear();
visualPTY();
delay(3000);
LcdClear();
frecuenciaOld=-1;
break;
}
}
if( millis()-time2>50)
{
ReadEstado();
time1 = millis();
//RDS
if ((estado[0] & 0x8000)!=0) {get_RDS();}
}
if( millis()-time3>500)
{
time3 = millis();
Visualizar();
}
if( frecuencia!=frecuenciaOld)
{
frecuenciaOld=frecuencia;
z=870+frecuencia;
#if DEBUG
Serial.print("Frecuencia = " ); Serial.println(frecuencia);
#endif
sprintf(buffer,"%04d ",z);
gotoXY(1,3);
for(z=0;z<5;z++)
{
if (z==0) {
if (frecuencia < 130) LcdStringX(" ");
else LcdCharacterX(buffer[0]);
// else LcdStringX("1");
}
if(z==3) LcdStringX(".");
// if((z==0) and (buffer[0]==0)) LcdStringX("."); else LcdCharacterX(buffer[z]);
if (z>0) LcdCharacterX(buffer[z]);
}
// LcdString("MHz");
gotoXY(62,3);
LcdString("MHz");
canal(frecuencia);
clearRDS();
}
//Cambio de volumen
if(volumen!=volumenOld)
{
volumenOld=volumen;
sprintf(buffer,"Vol %02d",volumen); gotoXY(38,1); LcdString(buffer);
WriteReg(5, 0x84D0 | volumen);
}
}
void visualPI(void)
{
#if DEBUG
Serial.print("PAIS: "); Serial.println(RDS[0]>>12 & 0X000F);
Serial.print("Cobertura:"); Serial.println(RDS[0]>>8 & 0X000F);
Serial.print("CODIGO:"); Serial.println(RDS[0] & 0X00FF);
#endif
/*
gotoXY(1,3);sprintf(buffer,"PAIS -%02d",RDS[0]>>12 & 0X000F); LcdString(buffer);
gotoXY(1,4);sprintf(buffer,"COBERT-%02d",RDS[0]>>8 & 0X000F); LcdString(buffer);
gotoXY(1,5);sprintf(buffer,"CODIGO-%02d",RDS[0] & 0X00FF); LcdString(buffer);
*/
gotoXY(1,3);sprintf(buffer,"COUNTRY -%02d",RDS[0]>>12 & 0X000F); LcdString(buffer);
gotoXY(1,4);sprintf(buffer,"COVERAGE-%02d",RDS[0]>>8 & 0X000F); LcdString(buffer);
gotoXY(1,5);sprintf(buffer,"CODE -%02d",RDS[0] & 0X00FF); LcdString(buffer);
}
void visualPTY(void)
{
#if DEBUG
Serial.print("PTY: "); Serial.println(RDS[1]>>5 & 0X001F);
#endif
/*
gotoXY(1,3); LcdString("TIPO");
gotoXY(1,4); LcdString("PROGRAMA");
gotoXY(1,5);sprintf(buffer,"%02d",RDS[1]>>5 & 0X001F); LcdString(buffer);
*/
gotoXY(1,3); LcdString("TYPE");
gotoXY(1,4); LcdString("PROGRAMS");
gotoXY(1,5);sprintf(buffer,"%02d",RDS[1]>>5 & 0X001F); LcdString(buffer);
}
void busqueda(byte direc)
{
byte i;
if(!direc) WriteReg(0x02,0xC30d); else WriteReg(0x02,0xC10d);
for(i=0;i<10;i++)
{
delay(200);
ReadEstado();
if(estado[0]&0x4000)
{
//Serial.println("Emisora encontrada");
frecuencia=estado[0] & 0x03ff;
break;
}
}
}
void clearRDS(void)
{
gotoXY(10,4); for (z=0;z<8;z++) {seg_RDS[z]=32; LcdCharacter(32);} //borrar Name LCD Emisora
gotoXY(38,2); for (z=0;z<6;z++) { LcdCharacter(32);} //borrar linea Hora
for (z=0;z<64;z++) seg_RDS1[z]=32;
}
void Visualizar(void)
{
//Serial.print("READ_Frecuencia= " ); Serial.println(estado[0] & 0x03ff);
gotoXY(2,0); LcdStringX("FM");
sprintf(buffer,"%s",menuS[menu]); gotoXY(2,2); LcdString(buffer);
//Detectar señal stereo
gotoXY(72,0);
if((estado[0] & 0x0400)==0) LcdCharacter(32); else LcdCharacter(127);
//Señal
z=estado[1]>>10; sprintf(buffer,"S-%02d",z); gotoXY(38,0); LcdString(buffer);
sprintf(buffer,"Vol %02d",volumen); gotoXY(38,1); LcdString(buffer);
//ver RADIO_TXT
gotoXY(0,5);
z1=indexRDS1;
for (z=0;z<12;z++)
{
LcdCharacter(seg_RDS1[z1]);
z1++;
if(z1>35)z1=0;
}
indexRDS1++; if(indexRDS1>35) indexRDS1=0;
frecuencia=estado[0] & 0x03ff;
}
void canal( int canal)
{
byte numeroH,numeroL;
numeroH= canal>>2;
numeroL = ((canal&3)<<6 | 0x10);
Wire.beginTransmission(0x11);
Wire.write(0x03);
Wire.write(numeroH); // write frequency into bits 15:6, set tune bit
Wire.write(numeroL);
Wire.endTransmission();
}
//________________________
//RDA5807_adrr=0x11;
// I2C-Address RDA Chip for random Access
void WriteReg(byte reg,unsigned int valor)
{
Wire.beginTransmission(0x11);
Wire.write(reg); Wire.write(valor >> 8); Wire.write(valor & 0xFF);
Wire.endTransmission();
//delay(50);
}
//RDA5807_adrs=0x10;
// I2C-Address RDA Chip for sequential Access
int ReadEstado()
{
Wire.requestFrom(0x10, 12);
for (int i=0; i<6; i++) { estado[i] = 256*Wire.read ()+Wire.read(); }
Wire.endTransmission();
}
//READ RDS Direccion 0x11 for random access
void ReadW()
{
Wire.beginTransmission(0x11); // Device 0x11 for random access
Wire.write(0x0C); // Start at Register 0x0C
Wire.endTransmission(0); // restart condition
Wire.requestFrom(0x11,8, 1); // Retransmit device address with READ, followed by 8 bytes
for (int i=0; i<4; i++) {RDS[i]=256*Wire.read()+Wire.read();} // Read Data into Array of Unsigned Ints
Wire.endTransmission();
}
void get_RDS()
{
int i;
ReadW();
grupo=(RDS[1]>>12)&0xf;
if(RDS[1]&0x0800) versio=1; else versio=0; //Version A=0 Version B=1
if(versio==0)
{
#if DEBUG
sprintf(buffer,"Version=%d Grupo=%02d ",versio,grupo); Serial.print(buffer);
// Serial.print(" 0->");Serial.print(RDS[0],HEX);Serial.print(" 1->");Serial.print(RDS[1],HEX);Serial.print(" 2->");Serial.print(RDS[2],HEX);Serial.print(" 3->");Serial.println(RDS[03],HEX);
// Serial.print(" 0->");Serial.print(RDS[0],BIN);Serial.print(" 1->");Serial.print(RDS[1],BIN);Serial.print(" 2->");Serial.print(RDS[2],BIN);Serial.print(" 3->");Serial.println(RDS[03],BIN);
#endif
switch(grupo)
{
case 0:
#if DEBUG
Serial.print("_RDS0__");
#endif
i=(RDS[1] & 3) <<1;
seg_RDS[i]=(RDS[3]>>8);
seg_RDS[i+1]=(RDS[3]&0xFF);
gotoXY(10,4);
for (i=0;i<8;i++)
{
#if DEBUG
Serial.write(seg_RDS[i]);
#endif
if(seg_RDS[i]>31 && seg_RDS[i]<128)
LcdCharacter(seg_RDS[i]);
else
LcdCharacter(32);
}
//Serial.print("FrecuAlt1-");Serial.println((RDS[2]>>8)+875);
//Serial.print("FrecuAlt2-"); Serial.println(RDS[2]&0xFF+875);
#if DEBUG
Serial.println("---");
#endif
break;
case 2:
i=(RDS[1] & 15) <<2;
seg_RDS1[i]=(RDS[2]>>8);
seg_RDS1[i+1]=(RDS[2]&0xFF);
seg_RDS1[i+2]=(RDS[3]>>8);
seg_RDS1[i+3]=(RDS[3]&0xFF);
#if DEBUG
Serial.println("_RADIOTEXTO_");
//Serial.print(i);Serial.print(" ");Serial.println(RDS[1] & 15);
//Serial.write(RDS[2]>>8); Serial.write (RDS[2]&0xFF);Serial.write(RDS[3]>>8);Serial.write(RDS[3]&0xFF);Serial.write("_");
for (i=0;i<32;i++) Serial.write(seg_RDS1[i]);
Serial.println("-TXT-");
#endif
break;
case 4:
i=RDS[3]& 0x003f;
minuto=(RDS[3]>>6)& 0x003f;
hora=(RDS[3]>>12)& 0x000f;
if(RDS[2]&1) hora+=16;
hora+=i;
z=RDS[2]>>1;
julian=z;
if(RDS[1]&1) julian+=32768;
if(RDS[1]&2) julian+=65536;
#if DEBUG
Serial.print("_DATE_");
Serial.print(" Juliano=");Serial.print(julian);
sprintf(buffer," %02d:%02d ",hora,minuto); gotoXY(38,2); LcdString(buffer);
Serial.println(buffer);
#endif
break;
default:
#if DEBUG
Serial.println("__");
#endif
;
}
}
}
// The pins to use on the arduino
#define PIN_SCE 7
#define PIN_RESET 6
#define PIN_DC 5
#define PIN_SDIN 4
#define PIN_SCLK 3
// COnfiguration for the LCD
#define LCD_C LOW
#define LCD_D HIGH
#define LCD_CMD 0
// Size of the LCD
#define LCD_X 84
#define LCD_Y 48
int scrollPosition = -10;
static const byte ASCII[][5] =
{
{0x00, 0x00, 0x00, 0x00, 0x00} // 20
,{0x00, 0x00, 0x5f, 0x00, 0x00} // 21 !
,{0x00, 0x07, 0x00, 0x07, 0x00} // 22 "
,{0x14, 0x7f, 0x14, 0x7f, 0x14} // 23 #
,{0x24, 0x2a, 0x7f, 0x2a, 0x12} // 24 $
,{0x23, 0x13, 0x08, 0x64, 0x62} // 25 %
,{0x36, 0x49, 0x55, 0x22, 0x50} // 26 &
,{0x00, 0x05, 0x03, 0x00, 0x00} // 27 '
,{0x00, 0x1c, 0x22, 0x41, 0x00} // 28 (
,{0x00, 0x41, 0x22, 0x1c, 0x00} // 29 )
,{0x14, 0x08, 0x3e, 0x08, 0x14} // 2a *
,{0x08, 0x08, 0x3e, 0x08, 0x08} // 2b +
,{0x00, 0x50, 0x30, 0x00, 0x00} // 2c ,
,{0x08, 0x08, 0x08, 0x08, 0x08} // 2d -
,{0x00, 0x60, 0x60, 0x00, 0x00} // 2e .
,{0x20, 0x10, 0x08, 0x04, 0x02} // 2f /
,{0x3e, 0x51, 0x49, 0x45, 0x3e} // 30 0
,{0x00, 0x42, 0x7f, 0x40, 0x00} // 31 1
,{0x42, 0x61, 0x51, 0x49, 0x46} // 32 2
,{0x21, 0x41, 0x45, 0x4b, 0x31} // 33 3
,{0x18, 0x14, 0x12, 0x7f, 0x10} // 34 4
,{0x27, 0x45, 0x45, 0x45, 0x39} // 35 5
,{0x3c, 0x4a, 0x49, 0x49, 0x30} // 36 6
,{0x01, 0x71, 0x09, 0x05, 0x03} // 37 7
,{0x36, 0x49, 0x49, 0x49, 0x36} // 38 8
,{0x06, 0x49, 0x49, 0x29, 0x1e} // 39 9
,{0x00, 0x36, 0x36, 0x00, 0x00} // 3a :
,{0x00, 0x56, 0x36, 0x00, 0x00} // 3b ;
,{0x08, 0x14, 0x22, 0x41, 0x00} // 3c <
,{0x14, 0x14, 0x14, 0x14, 0x14} // 3d =
,{0x00, 0x41, 0x22, 0x14, 0x08} // 3e >
,{0x02, 0x01, 0x51, 0x09, 0x06} // 3f ?
,{0x32, 0x49, 0x79, 0x41, 0x3e} // 40 @
,{0x7e, 0x11, 0x11, 0x11, 0x7e} // 41 A
,{0x7f, 0x49, 0x49, 0x49, 0x36} // 42 B
,{0x3e, 0x41, 0x41, 0x41, 0x22} // 43 C
,{0x7f, 0x41, 0x41, 0x22, 0x1c} // 44 D
,{0x7f, 0x49, 0x49, 0x49, 0x41} // 45 E
,{0x7f, 0x09, 0x09, 0x09, 0x01} // 46 F
,{0x3e, 0x41, 0x49, 0x49, 0x7a} // 47 G
,{0x7f, 0x08, 0x08, 0x08, 0x7f} // 48 H
,{0x00, 0x41, 0x7f, 0x41, 0x00} // 49 I
,{0x20, 0x40, 0x41, 0x3f, 0x01} // 4a J
,{0x7f, 0x08, 0x14, 0x22, 0x41} // 4b K
,{0x7f, 0x40, 0x40, 0x40, 0x40} // 4c L
,{0x7f, 0x02, 0x0c, 0x02, 0x7f} // 4d M
,{0x7f, 0x04, 0x08, 0x10, 0x7f} // 4e N
,{0x3e, 0x41, 0x41, 0x41, 0x3e} // 4f O
,{0x7f, 0x09, 0x09, 0x09, 0x06} // 50 P
,{0x3e, 0x41, 0x51, 0x21, 0x5e} // 51 Q
,{0x7f, 0x09, 0x19, 0x29, 0x46} // 52 R
,{0x46, 0x49, 0x49, 0x49, 0x31} // 53 S
,{0x01, 0x01, 0x7f, 0x01, 0x01} // 54 T
,{0x3f, 0x40, 0x40, 0x40, 0x3f} // 55 U
,{0x1f, 0x20, 0x40, 0x20, 0x1f} // 56 V
,{0x3f, 0x40, 0x38, 0x40, 0x3f} // 57 W
,{0x63, 0x14, 0x08, 0x14, 0x63} // 58 X
,{0x07, 0x08, 0x70, 0x08, 0x07} // 59 Y
,{0x61, 0x51, 0x49, 0x45, 0x43} // 5a Z
,{0x00, 0x7f, 0x41, 0x41, 0x00} // 5b [
,{0x02, 0x04, 0x08, 0x10, 0x20} // 5c ¥
,{0x00, 0x41, 0x41, 0x7f, 0x00} // 5d ]
,{0x04, 0x02, 0x01, 0x02, 0x04} // 5e ^
,{0x40, 0x40, 0x40, 0x40, 0x40} // 5f _
,{0x00, 0x01, 0x02, 0x04, 0x00} // 60 `
,{0x20, 0x54, 0x54, 0x54, 0x78} // 61 a
,{0x7f, 0x48, 0x44, 0x44, 0x38} // 62 b
,{0x38, 0x44, 0x44, 0x44, 0x20} // 63 c
,{0x38, 0x44, 0x44, 0x48, 0x7f} // 64 d
,{0x38, 0x54, 0x54, 0x54, 0x18} // 65 e
,{0x08, 0x7e, 0x09, 0x01, 0x02} // 66 f
,{0x0c, 0x52, 0x52, 0x52, 0x3e} // 67 g
,{0x7f, 0x08, 0x04, 0x04, 0x78} // 68 h
,{0x00, 0x44, 0x7d, 0x40, 0x00} // 69 i
,{0x20, 0x40, 0x44, 0x3d, 0x00} // 6a j
,{0x7f, 0x10, 0x28, 0x44, 0x00} // 6b k
,{0x00, 0x41, 0x7f, 0x40, 0x00} // 6c l
,{0x7c, 0x04, 0x18, 0x04, 0x78} // 6d m
,{0x7c, 0x08, 0x04, 0x04, 0x78} // 6e n
,{0x38, 0x44, 0x44, 0x44, 0x38} // 6f o
,{0x7c, 0x14, 0x14, 0x14, 0x08} // 70 p
,{0x08, 0x14, 0x14, 0x18, 0x7c} // 71 q
,{0x7c, 0x08, 0x04, 0x04, 0x08} // 72 r
,{0x48, 0x54, 0x54, 0x54, 0x20} // 73 s
,{0x04, 0x3f, 0x44, 0x40, 0x20} // 74 t
,{0x3c, 0x40, 0x40, 0x20, 0x7c} // 75 u
,{0x1c, 0x20, 0x40, 0x20, 0x1c} // 76 v
,{0x3c, 0x40, 0x30, 0x40, 0x3c} // 77 w
,{0x44, 0x28, 0x10, 0x28, 0x44} // 78 x
,{0x0c, 0x50, 0x50, 0x50, 0x3c} // 79 y
,{0x44, 0x64, 0x54, 0x4c, 0x44} // 7a z
,{0x00, 0x08, 0x36, 0x41, 0x00} // 7b {
,{0x00, 0x00, 0x7f, 0x00, 0x00} // 7c |
,{0x00, 0x41, 0x36, 0x08, 0x00} // 7d }
,{0x10, 0x08, 0x08, 0x10, 0x08} // 7e ←
//,{0x00, 0x06, 0x09, 0x09, 0x06} // 7f →
,{B11111111, B01111110, B00011000, B01111110, B11111111} //Stereo 127
};
void LcdCharacter(char character)
{
unsigned char z,z1;
z1=character - 0x20;
LcdWrite(LCD_D, 0x00);
for (int index = 0; index < 5; index++)
{
//para que funciona en proteus
z=ASCII[z1][index];
LcdWrite(LCD_D, z);
// LcdWrite(LCD_D, ASCII[character - 0x20][index]);
}
LcdWrite(LCD_D, 0x00);
}
void LcdCharacterX(char character)
{
unsigned char z,z1;
z1=character - 0x20;
LcdWrite(LCD_D, 0x00);
for (int index = 0; index < 5; index++)
{
//para que funciona en proteus
z=ASCII[z1][index];
LcdWrite(LCD_D, z);
LcdWrite(LCD_D, z);
//LcdWrite(LCD_D, ASCII[character - 0x20][index]);
//LcdWrite(LCD_D, ASCII[character - 0x20][index]);
}
LcdWrite(LCD_D, 0x00);
}
void LcdClear(void)
{
for (int index = 0; index < LCD_X * LCD_Y / 8; index++)
{
LcdWrite(LCD_D, 0x00);
}
}
void LcdInitialise(void)
{
pinMode(PIN_SCE, OUTPUT);
pinMode(PIN_RESET, OUTPUT);
pinMode(PIN_DC, OUTPUT);
pinMode(PIN_SDIN, OUTPUT);
pinMode(PIN_SCLK, OUTPUT);
digitalWrite(PIN_RESET, LOW);
digitalWrite(PIN_RESET, HIGH);
LcdWrite(LCD_CMD, 0x21); // LCD Extended Commands.
LcdWrite(LCD_CMD, 0xB5); // Set LCD Vop (Contrast). //B1
LcdWrite(LCD_CMD, 0x04); // Set Temp coefficent. //0x04
LcdWrite(LCD_CMD, 0x14); // LCD bias mode 1:48. //0x13
LcdWrite(LCD_CMD, 0x0C); // LCD in normal mode. 0x0d for inverse
LcdWrite(LCD_C, 0x20);
LcdWrite(LCD_C, 0x0C);
}
void LcdString(char *characters)
{
while (*characters)
{
LcdCharacter(*characters++);
}
}
void LcdStringX(char *characters)
{
while (*characters)
{
LcdCharacterX(*characters++);
}
}
void LcdWrite(byte dc, byte data)
{
digitalWrite(PIN_DC, dc);
digitalWrite(PIN_SCE, LOW);
shiftOut(PIN_SDIN, PIN_SCLK, MSBFIRST, data);
digitalWrite(PIN_SCE, HIGH);
}
/**
* gotoXY routine to position cursor
* x - range: 0 to 84
* y - range: 0 to 5
*/
void gotoXY(int x, int y)
{
LcdWrite( 0, 0x80 | x); // Column.
LcdWrite( 0, 0x40 | y); // Row.
}
void drawBox(void)
{
int j;
for(j = 0; j <= 84; j++) // top
{
gotoXY(j, 0);
LcdWrite(1, 0x01);
}
for(j = 0; j < 84; j++) //Bottom
{
gotoXY(j, 5);
LcdWrite(1, 0x80);
}
for(j = 0; j < 6; j++) // Right
{
gotoXY(83, j);
LcdWrite(1, 0xff);
}
for(j = 0; j < 6; j++) // Left
{
gotoXY(0, j);
LcdWrite(1, 0xff);
}
}
void Scroll(String message)
{
for (int i = scrollPosition; i < scrollPosition + 11; i++)
{
if ((i >= message.length()) || (i < 0))
{
LcdCharacter(' ');
}
else
{
LcdCharacter(message.charAt(i));
}
}
scrollPosition++;
if ((scrollPosition >= message.length()) && (scrollPosition > 0))
{
scrollPosition = -10;
}
}