南陵声卡的房vs.doc

D地方我觉得这个程序简单明了,一看就能懂了 DMX512接收程序/UART0 initialisation/ desired baud rate: 250000/ actual: baud rate:250000 (0.0%)/ char size: 9 bit/ parity: Disabledvoid uart0_init(void)UCSRB = 0x00; / RXEN /disable while setting baud rateUCSRA = 0x00; / RXC=0 RXC TXC UDRE FE DOR PE U2X MPCMUCSRB = 0xDC; /0XF8 RXCIE TXCIE UDRIE RXEN TXEN UCSZ2 RXB8 TXB8UCSRC = 0x06; / 9 bit URSEL UMSEL UPM1 UPM0 USBS UCSZ1 UCSZ0 UCPOL UBRRH = 0x00; /set baud rate hiUCSRC = 0x86; / 9 bit 86 UBRRL = 0x01; /set baud rate lo ( 0x01 u2x=0)#pragma interrupt_handler uart0_rx_isr:12void uart0_rx_isr(void) unsigned char status, resh, resl;while ( !(UCSRA & (1RXC) ); / from bufferstatus = UCSRA; /if ( status & (1FE)|(1DOR)|(1 1) & 0x01; / TAKE RXB8 if (resh=1)/(1RXB8) if (CUR_BYTE_A=0) CODE_Data=resl; if (CODE_Data=0) /UDR_empty=0; +CUR_BYTE_A; /TEST ok else if (CUR_BYTE_A=IADDRESS_A+0) DMX_data_0=resl; /001 if (CUR_BYTE_A=IADDRESS_A+1) DMX_data_1=resl; if (CUR_BYTE_A=IADDRESS_A+2) DMX_data_2=resl; if (CUR_BYTE_A=IADDRESS_A+3) DMX_data_3=resl; if (CODE_Data=0) +CUR_BYTE_A; else CUR_BYTE_A = 0; /test OK CODE_Data = 0xff; /DMX512发送程序自己研发原创作品/*void DMX_SEND() /100US /TIMES+JS_DMX_SEND;DMX_SEND_PAN=1;DMX_PORTD|=DMX_control_send;if (JS_DMX_SEND=1)UCSRB=(1RXCIE)|(1TXCIE)|(1UDRIE)|(1RXEN)|(1TXEN)|(1UCSZ2)|(0TXB8);/delay_us(200); /BREAK ucsrb RXCIE TXCIE UDRIE RXEN TXEN UCSZ2 RXB8 TXB8if (JS_DMX_SEND=3)while (!(UCSRA&(1UDRE); /start code UCSRB=(1RXCIE)|(1TXCIE)|(1UDRIE)|(1RXEN)|(1TXEN)|(1UCSZ2)|(0TXB8); UDR=0; if (JS_DMX_SEND=4) while (!(UCSRA&(1UDRE); /cannel 0 UCSRB=(1RXCIE)|(1TXCIE)|(1UDRIE)|(1RXEN)|(1TXEN)|(1UCSZ2)|(1TXB8); /SEND_DATA=LED_DISPLAY_V2*100+LED_DISPLAY_V3*10+LED_DISPLAY_V4; UDR=0; if (JS_DMX_SEND=5) while (!(UCSRA&(1UDRE); /cannel 1 UCSRB=(1RXCIE)|(1TXCIE)|(1UDRIE)|(1RXEN)|(1TXEN)|(1UCSZ2)|(1TXB8); UDR=LED_RED; if (JS_DMX_SEND=6) while (!(UCSRA&(1UDRE); /cannel 2 UCSRB=(1RXCIE)|(1TXCIE)|(1UDRIE)|(1RXEN)|(1TXEN)|(1UCSZ2)|(1TXB8); /SEND_DATA=LED_DISPLAY_V2*100+LED_DISPLAY_V3*10+LED_DISPLAY_V4; /UDR=SEND_DATA; UDR=LED_GREEN; if (JS_DMX_SEND=7) while (!(UCSRA&(1UDRE); /cannel 3 UCSRB=(1RXCIE)|(1TXCIE)|(1UDRIE)|(1RXEN)|(1TXEN)|(1UCSZ2)|(1TXB8); UDR=LED_BLUE;/SEND_DATA; if (JS_DMX_SEND=8) while (!(UCSRA&(1UDRE); /cannel 4 UCSRB=(1RXCIE)|(1TXCIE)|(1UDRIE)|(1RXEN)|(1TXEN)|(1UCSZ2)|(1TXB8); /SEND_DATA=LED_DISPLAY_V2*100+LED_DISPLAY_V3*10+LED_DISPLAY_V4; UDR=LED_SHUTER;/SEND_DATA; if (JS_DMX_SEND=9) while (!(UCSRA&(1UDRE); /cannel 5 UCSRB=(1RXCIE)|(1TXCIE)|(1UDRIE)|(1RXEN)|(1TXEN)|(1UCSZ2)|(1TXB8); UDR=0;/SEND_DATA; if (JS_DMX_SEND=10) while (!(UCSRA&(1UDRE); /cannel 6 UCSRB=(1RXCIE)|(1TXCIE)|(1UDRIE)|(1RXEN)|(1TXEN)|(1UCSZ2)|(1TXB8); UDR=0;/SEND_DATA; if (JS_DMX_SEND=11) while (!(UCSRA&(1UDRE); /cannel 7 UCSRB=(1RXCIE)|(1TXCIE)|(1UDRIE)|(1RXEN)|(1TXEN)|(1UCSZ2)|(1TXB8); UDR=0;/SEND_DATA; if (JS_DMX_SEND=12) JS_