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< a name = "l1" > < / a > < span class = cF2 > /* RS232 serial ports no longer exist.< / span > < span class = cF0 >
< a name = "l2" > < / a > < / span > < span class = cF2 > Be sure to System Include this by placing< / span > < span class = cF0 >
< a name = "l3" > < / a > < / span > < span class = cF2 > it in your start-up scripts.< / span > < span class = cF0 >
< a name = "l4" > < / a > < / span > < span class = cF2 > */< / span > < span class = cF0 >
< a name = "l5" > < / a >
< a name = "l6" > < / a > #< / span > < span class = cF1 > help_index< / span > < span class = cF0 > < / span > < span class = cF6 > " Comm" < / span > < span class = cF0 >
< a name = "l7" > < / a >
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< a name = "l8" > < / a > #< / span > < span class = cF1 > define< / span > < span class = cF0 > UART_THR < / span > < span class = cFE > 0< / span > < span class = cF0 >
< a name = "l9" > < / a > #< / span > < span class = cF1 > define< / span > < span class = cF0 > UART_RDR < / span > < span class = cFE > 0< / span > < span class = cF0 >
< a name = "l10" > < / a > #< / span > < span class = cF1 > define< / span > < span class = cF0 > UART_BRDL < / span > < span class = cFE > 0< / span > < span class = cF0 >
< a name = "l11" > < / a > #< / span > < span class = cF1 > define< / span > < span class = cF0 > UART_IER < / span > < span class = cFE > 1< / span > < span class = cF0 >
< a name = "l12" > < / a > #< / span > < span class = cF1 > define< / span > < span class = cF0 > UART_BRDH < / span > < span class = cFE > 1< / span > < span class = cF0 >
< a name = "l13" > < / a > #< / span > < span class = cF1 > define< / span > < span class = cF0 > UART_IIR < / span > < span class = cFE > 2< / span > < span class = cF0 >
< a name = "l14" > < / a > #< / span > < span class = cF1 > define< / span > < span class = cF0 > UART_LCR < / span > < span class = cFE > 3< / span > < span class = cF0 >
< a name = "l15" > < / a > #< / span > < span class = cF1 > define< / span > < span class = cF0 > UART_MCR < / span > < span class = cFE > 4< / span > < span class = cF0 >
< a name = "l16" > < / a > #< / span > < span class = cF1 > define< / span > < span class = cF0 > UART_LSR < / span > < span class = cFE > 5< / span > < span class = cF0 >
< a name = "l17" > < / a > #< / span > < span class = cF1 > define< / span > < span class = cF0 > UART_MSR < / span > < span class = cFE > 6< / span > < span class = cF0 >
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< a name = "l18" > < / a >
< a name = "l19" > < / a > #< / span > < span class = cF1 > define< / span > < span class = cF0 > COMf_ENABLED < / span > < span class = cFE > 0< / span > < span class = cF0 >
< a name = "l20" > < / a > < / span > < span class = cF1 > class< / span > < span class = cF0 > CComm
< a name = "l21" > < / a > {
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< a name = "l22" > < / a > < / span > < span class = cF9 > I64< / span > < span class = cF0 > base,
< a name = "l23" > < / a > flags;
< a name = "l24" > < / a > < / span > < span class = cF9 > CFifoU8< / span > < span class = cF0 > *RX_fifo;
< a name = "l25" > < / a > < / span > < span class = cF9 > CFifoU8< / span > < span class = cF0 > *TX_fifo;
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< a name = "l26" > < / a >
< a name = "l27" > < / a > } comm_ports[< / span > < span class = cFE > 5< / span > < span class = cF0 > ];
< a name = "l28" > < / a >
< a name = "l29" > < / a > < / span > < span class = cF1 > U0< / span > < span class = cF0 > CommHandler(< / span > < span class = cF9 > I64< / span > < span class = cF0 > port)
< a name = "l30" > < / a > {
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< a name = "l31" > < / a > CComm *c = & comm_ports[port];
< a name = "l32" > < / a > < / span > < span class = cF9 > I64< / span > < span class = cF0 > b = < / span > < span class = cFE > 0< / span > < span class = cF0 > , stat;
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< a name = "l33" > < / a >
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< a name = "l34" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (< / span > < span class = cF5 > Bt< / span > < span class = cF7 > (< / span > < span class = cF0 > & c-> flags, COMf_ENABLED< / span > < span class = cF7 > )< / span > < span class = cF0 > )
< a name = "l35" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l36" > < / a > stat = < / span > < span class = cF5 > InU8< / span > < span class = cF0 > (c-> base+UART_IIR);
< a name = "l37" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (stat & < / span > < span class = cFE > 4< / span > < span class = cF0 > ) < / span > < span class = cF2 > //RX< / span > < span class = cF0 >
< a name = "l38" > < / a > < / span > < span class = cF5 > FifoU8Insert< / span > < span class = cF0 > (c-> RX_fifo, < / span > < span class = cF5 > InU8< / span > < span class = cF7 > (< / span > < span class = cF0 > c-> base + UART_RDR< / span > < span class = cF7 > )< / span > < span class = cF0 > );
< a name = "l39" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (stat & < / span > < span class = cFE > 2< / span > < span class = cF0 > )
< a name = "l40" > < / a > { < / span > < span class = cF2 > //TX< / span > < span class = cF0 >
< a name = "l41" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (< / span > < span class = cF5 > FifoU8Remove< / span > < span class = cF7 > (< / span > < span class = cF0 > c-> TX_fifo, & b< / span > < span class = cF7 > )< / span > < span class = cF0 > )
< a name = "l42" > < / a > < / span > < span class = cF5 > OutU8< / span > < span class = cF0 > (c-> base + UART_THR, b);
< a name = "l43" > < / a > < / span > < span class = cF1 > else< / span > < span class = cF0 >
< a name = "l44" > < / a > < / span > < span class = cF5 > OutU8< / span > < span class = cF0 > (c-> base + UART_IER, < / span > < span class = cFE > 1< / span > < span class = cF0 > ); < / span > < span class = cF2 > //RX but no THR empty< / span > < span class = cF0 >
< a name = "l45" > < / a > }
< a name = "l46" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
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< a name = "l47" > < / a > }
< a name = "l48" > < / a >
< a name = "l49" > < / a > < / span > < span class = cF1 > interrupt< / span > < span class = cF0 > < / span > < span class = cF1 > U0< / span > < span class = cF0 > IRQComm3()
< a name = "l50" > < / a > {
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< a name = "l51" > < / a > CommHandler(< / span > < span class = cFE > 2< / span > < span class = cF0 > );
< a name = "l52" > < / a > CommHandler(< / span > < span class = cFE > 4< / span > < span class = cF0 > );
< a name = "l53" > < / a > < / span > < span class = cF5 > OutU8< / span > < span class = cF0 > (< / span > < span class = cF3 > PIC_1< / span > < span class = cF0 > , < / span > < span class = cF3 > PIC_EOI< / span > < span class = cF0 > );
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< a name = "l54" > < / a > }
< a name = "l55" > < / a >
< a name = "l56" > < / a > < / span > < span class = cF1 > interrupt< / span > < span class = cF0 > < / span > < span class = cF1 > U0< / span > < span class = cF0 > IRQComm4()
< a name = "l57" > < / a > {
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< a name = "l58" > < / a > CommHandler(< / span > < span class = cFE > 1< / span > < span class = cF0 > );
< a name = "l59" > < / a > CommHandler(< / span > < span class = cFE > 3< / span > < span class = cF0 > );
< a name = "l60" > < / a > < / span > < span class = cF5 > OutU8< / span > < span class = cF0 > (< / span > < span class = cF3 > PIC_1< / span > < span class = cF0 > , < / span > < span class = cF3 > PIC_EOI< / span > < span class = cF0 > );
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< a name = "l61" > < / a > }
< a name = "l62" > < / a >
< a name = "l63" > < / a > < / span > < span class = cF1 > U0< / span > < span class = cF0 > CommInit()
< a name = "l64" > < / a > {
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< a name = "l65" > < / a > < / span > < span class = cF5 > MemSet< / span > < span class = cF0 > (& comm_ports, < / span > < span class = cFE > 0< / span > < span class = cF0 > , < / span > < span class = cF1 > sizeof< / span > < span class = cF7 > (< / span > < span class = cF0 > comm_ports< / span > < span class = cF7 > )< / span > < span class = cF0 > );
< a name = "l66" > < / a > comm_ports[< / span > < span class = cFE > 1< / span > < span class = cF0 > ].base = < / span > < span class = cFE > 0x3F8< / span > < span class = cF0 > ;
< a name = "l67" > < / a > comm_ports[< / span > < span class = cFE > 2< / span > < span class = cF0 > ].base = < / span > < span class = cFE > 0x2F8< / span > < span class = cF0 > ;
< a name = "l68" > < / a > comm_ports[< / span > < span class = cFE > 3< / span > < span class = cF0 > ].base = < / span > < span class = cFE > 0x3E8< / span > < span class = cF0 > ;
< a name = "l69" > < / a > comm_ports[< / span > < span class = cFE > 4< / span > < span class = cF0 > ].base = < / span > < span class = cFE > 0x2E8< / span > < span class = cF0 > ;
< a name = "l70" > < / a > < / span > < span class = cF5 > IntEntrySet< / span > < span class = cF0 > (< / span > < span class = cFE > 0x23< / span > < span class = cF0 > , & IRQComm3);
< a name = "l71" > < / a > < / span > < span class = cF5 > IntEntrySet< / span > < span class = cF0 > (< / span > < span class = cFE > 0x24< / span > < span class = cF0 > , & IRQComm4);
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< a name = "l72" > < / a > }
< a name = "l73" > < / a > CommInit;
< a name = "l74" > < / a >
< a name = "l75" > < / a > < / span > < span class = cF1 > public< / span > < span class = cF0 > CComm *CommInit8n1(< / span > < span class = cF9 > I64< / span > < span class = cF0 > port, < / span > < span class = cF9 > I64< / span > < span class = cF0 > baud)
< a name = "l76" > < / a > {
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< a name = "l77" > < / a > CComm *c = & comm_ports[port];
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< a name = "l78" > < / a >
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< a name = "l79" > < / a > < / span > < span class = cF1 > PUSHFD< / span > < span class = cF0 >
< a name = "l80" > < / a > < / span > < span class = cF1 > CLI< / span > < span class = cF0 >
< a name = "l81" > < / a > < / span > < span class = cF1 > if< / span > < span class = cF0 > (< / span > < span class = cF5 > LBts< / span > < span class = cF7 > (< / span > < span class = cF0 > & c-> flags, COMf_ENABLED< / span > < span class = cF7 > )< / span > < span class = cF0 > )
< a name = "l82" > < / a > < / span > < span class = cF7 > {< / span > < span class = cF0 >
< a name = "l83" > < / a > < / span > < span class = cF5 > FifoU8Del< / span > < span class = cF0 > (c-> RX_fifo);
< a name = "l84" > < / a > < / span > < span class = cF5 > FifoU8Del< / span > < span class = cF0 > (c-> TX_fifo);
< a name = "l85" > < / a > < / span > < span class = cF7 > }< / span > < span class = cF0 >
< a name = "l86" > < / a > c-> RX_fifo = < / span > < span class = cF5 > FifoU8New< / span > < span class = cF0 > (< / span > < span class = cFE > 256< / span > < span class = cF0 > );
< a name = "l87" > < / a > c-> TX_fifo = < / span > < span class = cF5 > FifoU8New< / span > < span class = cF0 > (< / span > < span class = cFE > 256< / span > < span class = cF0 > );
< a name = "l88" > < / a > < / span > < span class = cF5 > OutU8< / span > < span class = cF0 > (c-> base + UART_LCR, < / span > < span class = cFE > 0< / span > < span class = cF0 > ); < / span > < span class = cF2 > //Set for IER< / span > < span class = cF0 >
< a name = "l89" > < / a > < / span > < span class = cF5 > OutU8< / span > < span class = cF0 > (c-> base + UART_IER, < / span > < span class = cFE > 0< / span > < span class = cF0 > ); < / span > < span class = cF2 > //Disable all IRQ< / span > < span class = cF0 >
< a name = "l90" > < / a > < / span > < span class = cF5 > OutU8< / span > < span class = cF0 > (c-> base + UART_LCR, < / span > < span class = cFE > 0x80< / span > < span class = cF0 > ); < / span > < span class = cF2 > //Enable baud rate control< / span > < span class = cF0 >
< a name = "l91" > < / a > < / span > < span class = cF5 > OutU8< / span > < span class = cF0 > (c-> base + UART_BRDL, < / span > < span class = cF7 > (< / span > < span class = cFE > 0x180< / span > < span class = cF0 > / (baud / < / span > < span class = cFE > 300< / span > < span class = cF0 > )< / span > < span class = cF7 > )< / span > < span class = cF0 > & < / span > < span class = cFE > 0xFF< / span > < span class = cF0 > ); < / span > < span class = cF2 > //LSB< / span > < span class = cF0 >
< a name = "l92" > < / a > < / span > < span class = cF5 > OutU8< / span > < span class = cF0 > (c-> base + UART_BRDH, < / span > < span class = cF7 > (< / span > < span class = cFE > 0x180< / span > < span class = cF0 > / (baud / < / span > < span class = cFE > 300< / span > < span class = cF0 > )< / span > < span class = cF7 > )< / span > < span class = cF0 > / < / span > < span class = cFE > 256< / span > < span class = cF0 > ); < / span > < span class = cF2 > //MSB< / span > < span class = cF0 >
< a name = "l93" > < / a > < / span > < span class = cF5 > OutU8< / span > < span class = cF0 > (c-> base + UART_LCR, < / span > < span class = cFE > 3< / span > < span class = cF0 > ); < / span > < span class = cF2 > //8-none-1< / span > < span class = cF0 >
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< a name = "l94" > < / a >
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< a name = "l95" > < / a > < / span > < span class = cF5 > InU8< / span > < span class = cF0 > (c-> base + UART_RDR); < / span > < span class = cF2 > //read garbage< / span > < span class = cF0 >
< a name = "l96" > < / a > < / span > < span class = cF5 > InU8< / span > < span class = cF0 > (c-> base + UART_LSR);
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< a name = "l97" > < / a >
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< a name = "l98" > < / a > < / span > < span class = cF5 > OutU8< / span > < span class = cF0 > (c-> base + UART_MCR, < / span > < span class = cFE > 4< / span > < span class = cF0 > );
< a name = "l99" > < / a > < / span > < span class = cF5 > OutU8< / span > < span class = cF0 > (c-> base + UART_IER, < / span > < span class = cFE > 0< / span > < span class = cF0 > ); < / span > < span class = cF2 > //Disable all IRQ< / span > < span class = cF0 >
< a name = "l100" > < / a > < / span > < span class = cF5 > OutU8< / span > < span class = cF0 > (c-> base + UART_MCR, < / span > < span class = cFE > 0xA< / span > < span class = cF0 > ); < / span > < span class = cF2 > //out2 and rts< / span > < span class = cF0 >
< a name = "l101" > < / a > < / span > < span class = cF5 > OutU8< / span > < span class = cF0 > (< / span > < span class = cF3 > PIC_1_DATA< / span > < span class = cF0 > , < / span > < span class = cF5 > InU8< / span > < span class = cF7 > (< / span > < span class = cF3 > PIC_1_DATA< / span > < span class = cF7 > )< / span > < span class = cF0 > & < / span > < span class = cF7 > (< / span > < span class = cFE > 0xFF< / span > < span class = cF0 > - < / span > < span class = cFE > 0x18< / span > < span class = cF7 > )< / span > < span class = cF0 > ); < / span > < span class = cF2 > //Enable 8259 IRQ 3 & 4< / span > < span class = cF0 >
< a name = "l102" > < / a > < / span > < span class = cF5 > OutU8< / span > < span class = cF0 > (c-> base + UART_IER, < / span > < span class = cFE > 1< / span > < span class = cF0 > ); < / span > < span class = cF2 > //RX but no THR empty< / span > < span class = cF0 >
< a name = "l103" > < / a > < / span > < span class = cF1 > POPFD< / span > < span class = cF0 >
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< a name = "l104" > < / a >
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< a name = "l105" > < / a > < / span > < span class = cF1 > return< / span > < span class = cF0 > c;
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< a name = "l106" > < / a > }
< a name = "l107" > < / a >
< a name = "l108" > < / a > < / span > < span class = cF1 > public< / span > < span class = cF0 > < / span > < span class = cF1 > U0< / span > < span class = cF0 > CommPutChar(< / span > < span class = cF9 > I64< / span > < span class = cF0 > port, < / span > < span class = cF1 > U8< / span > < span class = cF0 > b)
< a name = "l109" > < / a > {
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< a name = "l110" > < / a > CComm *c = & comm_ports[port];
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< a name = "l111" > < / a >
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< a name = "l112" > < / a > < / span > < span class = cF1 > PUSHFD< / span > < span class = cF0 >
< a name = "l113" > < / a > < / span > < span class = cF1 > CLI< / span > < span class = cF0 >
< a name = "l114" > < / a > < / span > < span class = cF5 > FifoU8Insert< / span > < span class = cF0 > (c-> TX_fifo, b);
< a name = "l115" > < / a > < / span > < span class = cF5 > OutU8< / span > < span class = cF0 > (c-> base + UART_IER, < / span > < span class = cFE > 3< / span > < span class = cF0 > ); < / span > < span class = cF2 > //RX and THR empty< / span > < span class = cF0 >
< a name = "l116" > < / a > < / span > < span class = cF1 > POPFD< / span > < span class = cF0 >
< a name = "l117" > < / a > < / span > < span class = cF5 > Sleep< / span > < span class = cF0 > (< / span > < span class = cFE > 10< / span > < span class = cF0 > ); < / span > < span class = cF2 > //!!! Remove this line!!!< / span > < span class = cF0 > < / span > < span class = cF2 > Linux echo_socket is too slow.< / span > < span class = cF0 >
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< a name = "l118" > < / a > }
< a name = "l119" > < / a >
< a name = "l120" > < / a > < / span > < span class = cF1 > U0< / span > < span class = cF0 > CommPutS(< / span > < span class = cF9 > I64< / span > < span class = cF0 > port, < / span > < span class = cF1 > U8< / span > < span class = cF0 > *st)
< a name = "l121" > < / a > {
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< a name = "l122" > < / a > < / span > < span class = cF9 > I64< / span > < span class = cF0 > b;
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< a name = "l123" > < / a >
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< a name = "l124" > < / a > < / span > < span class = cF1 > while< / span > < span class = cF0 > (b = *st++)
< a name = "l125" > < / a > CommPutChar(port, b);
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< a name = "l126" > < / a > }
< a name = "l127" > < / a >
< a name = "l128" > < / a > < / span > < span class = cF1 > public< / span > < span class = cF0 > < / span > < span class = cF1 > U0< / span > < span class = cF0 > CommPutBlk(< / span > < span class = cF9 > I64< / span > < span class = cF0 > port, < / span > < span class = cF1 > U8< / span > < span class = cF0 > *buf, < / span > < span class = cF9 > I64< / span > < span class = cF0 > count)
< a name = "l129" > < / a > {
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< a name = "l130" > < / a > < / span > < span class = cF1 > while< / span > < span class = cF0 > (count--)
< a name = "l131" > < / a > CommPutChar(port, *buf++);
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< a name = "l132" > < / a > }
< a name = "l133" > < / a >
< a name = "l134" > < / a > < / span > < span class = cF1 > public< / span > < span class = cF0 > < / span > < span class = cF1 > U0< / span > < span class = cF0 > CommPrint(< / span > < span class = cF9 > I64< / span > < span class = cF0 > port, < / span > < span class = cF1 > U8< / span > < span class = cF0 > *format, ...)
< a name = "l135" > < / a > {
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< a name = "l136" > < / a > < / span > < span class = cF1 > U8< / span > < span class = cF0 > *buf = < / span > < span class = cF5 > StrPrintJoin< / span > < span class = cF0 > (< / span > < span class = cF3 > NULL< / span > < span class = cF0 > , format, argc, argv);
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< a name = "l137" > < / a >
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< a name = "l138" > < / a > CommPutS(port, buf);
< a name = "l139" > < / a > < / span > < span class = cF5 > Free< / span > < span class = cF0 > (buf);
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< a name = "l140" > < / a > }
< / span > < / pre > < / body >
< / html >
