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- C Compiler for Microchip PIC microcontrollers
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Library Example
unsigned short error, ErrorCount, IdleCount, temp, LetterCount;
void main() {
ErrorCount = 0;
TRISC = 0;
// Error indicator
PORTC = 0;
Man_Receive_Config(&PORTD, 6);
// Synchronize receiver
Lcd_Init(&PORTB);
// Initialize LCD on PORTB
while (1) {
// Endless loop
IdleCount = 0;
// Reset idle counter
do {
temp = Man_Receive(error);
// Attempt byte receive
if (error)
ErrorCount++
else
PORTC = 0;
if (ErrorCount > 20) {
// If there are too many errors
ErrorCount = 0;
// syncronize the receiver again
PORTC = 0xAA;
// Indicate error
Man_Receive_Init(&PORTD);
// Synchronize receiver
}
IdleCount++;
if (IdleCount > 18) {
// If nothing received after some time
IdleCount = 0;
// try to synchronize again
Man_Receive_Init(&PORTD);
// Synchronize receiver
}
} while (temp != 0x0B);
// End of message marker
if (error != 255) {
// If no error then write the message
Lcd_Cmd(LCD_CLEAR);
LetterCount = 0;
while (LetterCount < 17) {
// Message is 16 chars long
LetterCount++;
temp = Man_Receive(error);
if (error != 255)
Lcd_Chr_Cp(temp)
else {
ErrorCount++; break;
}
}
temp = Man_Receive(error);
if (temp != 0x0E)
ErrorCount++;
}
// end if
}
// end while
}
//~!