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مدار رو میبندم کل 7سگمنت روشن میشه!!!
با pic کار نکردم بلد نیستم لطفا کمکم کنید
مدار رو میبندم کل 7سگمنت روشن میشه!!!
کد:
[// Define Soft-SPI connections for LED display
#define MOSI_Pin RC0_bit
#define CS_Pin RC1_bit
#define CLK_Pin RC2_bit
// Define Data pin for DHT11
#define Data RC4_bit
#define DataDir TRISC4_bit
#define FC_Select RC3_bit // Fahrenheit or Celcious select
unsigned short TOUT = 0, CheckSum, i, check, u, NumSamples;
unsigned short T_Byte1, T_Byte2, RH_Byte1, RH_Byte2;
unsigned long int brightness=0x0b;
unsigned int counter = 0, TempF, TempC, RH, ADC_OP, TempSum, RHSum;
//unsigned short Brightness_Table[21] = {0, 1, 2, 3, 4, 5, 6, 7, 7, 8, 8, 9, 10, 11, 12, 13, 14, 15, 15, 15, 15};
unsigned short Brightness_Table[21] = {0, 1, 2, 3, 3, 4, 4, 5, 5, 6, 7, 8, 9, 10, 11, 12, 12, 13, 14, 15, 15};
void SPI_Write_Byte(unsigned short num){
unsigned short t, Mask, Flag;
CLK_Pin = 0;
Mask = 128;
for (t=0; t<8; t++){
Flag = num & Mask;
if(Flag == 0) MOSI_Pin = 0;
else MOSI_Pin = 1;
CLK_Pin = 1;
CLK_Pin = 0;
Mask = Mask >> 1;
}
}
void MAX7219_INIT() {
// Disable Shutdown mode
CS_Pin = 0; // CS pin is pulled LOW
SPI_Write_Byte(0x0C); // Select Shutdown register
SPI_Write_Byte(0x01); // Set D0 bit to return to normal operation
CS_Pin = 1; // CS pin is pulled HIGH
// Set BCD decode mode for digits DIG1-DIG3, and DIG5-DIG7
CS_Pin = 0; // CS pin is pulled LOW
SPI_Write_Byte(0x09); // Select Decode Mode register
SPI_Write_Byte(0b00001100); // Disable BCD mode for digits DIG0, DIG1
CS_Pin = 1; // CS pin is pulled HIGH
// Set display brighness
CS_Pin = 0; // CS pin is pulled LOW
SPI_Write_Byte(0x0A); // Select Intensity register
SPI_Write_Byte(brightness); // Set brightness
CS_Pin = 1; // CS pin is pulled HIGH
// Set display refresh
CS_Pin = 0; // CS pin is pulled LOW
SPI_Write_Byte(0x0B); // Select Scan-Limit register
SPI_Write_Byte(0x03); // Select digits DIG0-DIG3
CS_Pin = 1; // CS pin is pulled HIGH
// Enable Display-Test
CS_Pin = 0; // CS pin is pulled LOW
SPI_Write_Byte(0x0F); // Select Display-Test register
SPI_Write_Byte(0x01); // Enable Display-Test
CS_Pin = 1; // CS pin is pulled HIGH
Delay_ms(1000);
// Disable Display-Test
CS_Pin = 0; // CS pin is pulled LOW
SPI_Write_Byte(0x0F); // Select Display-Test register
SPI_Write_Byte(0x00); // Disable Display-Test
CS_Pin = 1; // CS pin is pulled HIGH
}
void Display_Value(unsigned int j, unsigned short k){
CS_Pin = 0; // CS pin is pulled LOW
SPI_Write_Byte(4); // Send thousands digit
SPI_Write_Byte((j/100)%10);
CS_Pin = 1; // CS pin is pulled HIGH
CS_Pin = 0; // CS pin is pulled LOW
SPI_Write_Byte(3); // Send hundreds digit
SPI_Write_Byte(((j/10)%10));
CS_Pin = 1; // CS pin is pulled HIGH
CS_Pin = 0; // CS pin is pulled LOW
SPI_Write_Byte(2); // Send tens digit
if(k <= 1) SPI_Write_Byte(0x63); // Display Degree symbol
if(k == 2) SPI_Write_Byte(0x00); // Blank during RH
CS_Pin = 1; // CS pin is pulled HIGH
CS_Pin = 0; // CS pin is pulled LOW
SPI_Write_Byte(1); // Send ones digit
if(k == 0) SPI_Write_Byte(0x47); // Display 'F'
if(k == 1) SPI_Write_Byte(0x4E); // Display C
if(k == 2) SPI_Write_Byte(0x67); // Display P
CS_Pin = 1; // CS pin is pulled HIGH
}
void StartSignal(){
DataDir = 0; // Data port is output
Data = 0;
Delay_ms(25);
Data = 1;
Delay_us(30);
DataDir = 1; // Data port is input
}
unsigned short CheckResponse(){
TOUT = 0;
TMR1L = 0;
TMR1H = 0;
T1CON.TMR1ON = 1; // start timer
while(!Data && !TOUT);
if (TOUT) return 0;
else {
TMR1L = 0;
TMR1H = 0;
while(Data && !TOUT);
if (TOUT) return 0;
else {
T1CON.TMR1ON = 0;
return 1;
}
}
}
unsigned short ReadByte(){
unsigned short num = 0;
DataDir = 1;
for (i=0; i<8; i++){
while(!Data);
TMR1L = 0;
TMR1H = 0;
T1CON.TMR1ON = 1;
while(Data);
T1CON.TMR1ON = 0;
if(TMR1L > 40) num |= 1<<(7-i); // If time > 40us, Data is 1
}
return num;
}
void interrupt(){
if(PIR1.TMR1IF){
TOUT = 1;
T1CON.TMR1ON = 0; // stop timer
PIR1.TMR1IF = 0; // Clear TMR0 interrupt flag
}
}
void Display_Brightness(){
ADC_OP = ADC_Read(2);
Brightness = ADC_OP/50;
CS_Pin = 0; // CS pin is pulled LOW
SPI_Write_Byte(0x0A); // Select Intensity register
SPI_Write_Byte(Brightness_Table[brightness]); // Update brightness
CS_Pin = 1; // CS pin is pulled HIGH
}
void Wait_Nsec(){
Delay_ms(3000);
}
void main() {
ANSEL = 0b00000100; // RA2/AN2 is analog input
CMCON0 = 0x07 ; // Disbale comparators
TRISC = 0b00001000; // PORTC All Outputs except RC3
TRISA = 0b00001110; // PORTA All Outputs, Except RA3 and RA2
INTCON.GIE = 1; //Enable global interrupt
INTCON.PEIE = 1; //Enable peripheral interrupt
// Configure Timer2 module
PIE1.TMR1IE = 1; // Enable Timer2 interrupt
T1CON = 0; // Prescaler 1:1, and Timer2 is off initially
PIR1.TMR1IF =0; // Clear TMR INT Flag bit
TMR1H = 0;
TMR1L = 0;
MAX7219_INIT(); // initialize max7219
if(!FC_Select) Display_Value(0, 0);
if(FC_Select) Display_Value(0, 1);
do{
NumSamples = 0;
TempSum = 0;
RHSum = 0;
for (u=0; u<4; u++) {
StartSignal();
check = CheckResponse();
if (!check) {
RH = 0;
TempC = 0;
}
else{
RH_Byte1 = ReadByte();
RH_Byte2 = ReadByte();
T_Byte1 = ReadByte();
T_Byte2 = ReadByte();
CheckSum = ReadByte();
// Check for error in Data reception
if (CheckSum == ((RH_Byte1 + RH_Byte2 + T_Byte1 + T_Byte2) & 0xFF))
{
TempC = 10*T_Byte1;
RH = 10*RH_Byte1;
TempSum = TempSum + TempC;
RHSum = RHSum + RH;
NumSamples ++;
}
else{
TempC = 0;
RH = 0;
}
}
Delay_ms(2000);
} // End for loop
RH = RHSum/NumSamples;
TempC = TempSum/NumSamples;
TempF = 9*TempC/5 + 320;
Display_Brightness();
Display_Value(RH, 2);
Wait_Nsec();
Display_Brightness();
if(!FC_Select) Display_Value(TempF, 0);
if(FC_Select) Display_Value(TempC, 1);
}while(1);
}
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