| 0,0 → 1,77 |
|---|
| #include "C:\projekts\PIC_SW\PIC16F88\RS232\rs232.h" |
| |
| #define RCSTA *0x18 |
| #define CREN 4 |
| #define OERR 1 |
| #define FERR 2 |
| |
| #define _BV(a) (1<<(a)) |
| |
| #int_RDA |
| RDA_isr() |
| { |
| putc(getc()); |
| } |
| |
| |
| |
| char bit_1,bit_2,bit_3,bit_4; |
| unsigned int time; |
| |
| void main() { |
| |
| //char a,b,c; |
| |
| setup_adc_ports(NO_ANALOGS|VSS_VDD); |
| setup_adc(ADC_OFF); |
| setup_spi(FALSE); |
| setup_timer_0(RTCC_INTERNAL|RTCC_DIV_1); |
| setup_timer_1(T1_DISABLED); |
| setup_timer_2(T2_DISABLED,0,1); |
| setup_comparator(NC_NC_NC_NC); |
| setup_vref(FALSE); |
| //enable_interrupts(INT_RDA); |
| //enable_interrupts(GLOBAL); |
| setup_oscillator(OSC_4MHZ); |
| |
| input(PIN_B2); |
| |
| printf("\ftest rs232\n\r"); |
| |
| time = 0; |
| for(;;) |
| { |
| bit_1 = getc(); |
| delay_ms(time); |
| |
| if (RCSTA & (_BV(OERR))) {printf ("1_RX_halt, overrun\r\n");RCSTA &= (~(1<<CREN));RCSTA |= (1<<CREN);} |
| if (RCSTA & (1 << FERR)) printf ("1_RX_halt, frame error\r\n"); |
| bit_2 = getc(); |
| delay_ms(time); |
| |
| if (RCSTA & (1 << OERR)) {printf ("2_RX_halt, overrun\n\r");RCSTA &= (~(1<<CREN));RCSTA |= (1<<CREN);} |
| if (RCSTA & (1 << FERR)) printf ("2_RX_halt, frame error\r\n"); |
| bit_3 = getc(); |
| delay_ms(time); |
| |
| if (RCSTA & (1 << OERR)) {printf ("3_RX_halt, overrun\r\n");RCSTA &= (~(1<<CREN));RCSTA |= (1<<CREN);} |
| if (RCSTA & (1 << FERR)) printf ("3_RX_halt, frame error\r\n"); |
| bit_4 = getc(); |
| delay_ms(time); |
| |
| if (RCSTA & (1 << FERR)) printf ("4_RX_halt, frame error\r\n"); |
| if (RCSTA & (1 << OERR)) {printf ("4_RX_halt, overrun\r\n");RCSTA &= (~(1<<CREN));RCSTA |= (1<<CREN);}; |
| |
| |
| putc(bit_1); |
| putc(bit_2); |
| putc(bit_3); |
| putc(bit_4); |
| putc('\r'); |
| putc('\n'); |
| time = (bit_1 - 0x30) * 1000 + (bit_2 - 0x30)*100 + (bit_3 - 0x30)*10 + bit_4 - 0x30; |
| if (time > 1000) time = 0; |
| |
| }; |
| |
| } |