PIC18F4520 UART模板

2019-04-15 12:28发布

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如题 MPLAB V8.53   PIC18F4520 8bit MCU #define USE_AND_MASKS #include #include #include #include #pragma config OSC = INTIO67 //internal oscillator #pragma config WDT = OFF //watchdog timer off #pragma config LVP = OFF //... #pragma config PBADEN = OFF //Analog functions on PORTB OFF void initUART(void); void setClock(void); unsigned char msg[] = "Hello"; /* * main function */ void main() { setClock(); initUART(); while(1) //infinite loop { putsUSART(msg); Delay10KTCYx(125); } } /** * Initialise registers and pins for uart */ void initUART() { int baud = 51; // set baud rate to 9600 unsigned char UART1Config = USART_TX_INT_OFF & USART_RX_INT_OFF & USART_ASYNCH_MODE & USART_EIGHT_BIT & USART_BRGH_HIGH; //TRISCbits.RC6 = 0; //TX pin set as output //TRISCbits.RC7 = 1; //RX pin set as input TRISC = 0x00 + (1 << 7); OpenUSART(UART1Config,baud); } /* * Setup the clock */ void setClock() { OSCCONbits.IRCF0 = 1; //internal oscillator to 8MHz OSCCONbits.IRCF1 = 1; OSCCONbits.IRCF2 = 1; }

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