void?SC16IS752_Init_ChA（void）?
{?
??SPI_Wr_752（LCR?0x80?0）;???//?設(shè)置波特率
??SPI_Wr_752（DLL?0x60?0）;???//?X1?=?1.8432?MHz
??SPI_Wr_752（DLH?0x00?0）;???//?divisor?=?0x0060，表示選擇波特率為1200bps
??SPI_Wr_752（LCR?0xBF?0）;???//?使能訪問(wèn)EFR寄存器
??SPI_Wr_752（EFR?0x10?0）;???//?使能增強(qiáng)型寄存器
??SPI_Wr_752（LCR?0x03?0）;???//?8位數(shù)據(jù)位?1?為停止位?無(wú)校驗(yàn)
??SPI_Wr_752?（IER?0x01?0）;???//?使能接收中斷標(biāo)志
}

void?SC16IS752_Init_ChB（void）?
{?
??SPI_Wr_752（LCR?0x80?2）;???//設(shè)置波特率
??SPI_Wr_752（DLL?0x0c?2）;???//?X1?=?1.8432?MHz
??SPI_Wr_752（DLH?0x00?2）;???//?divisor?=?0x000c，表示選擇波特率為9600bps
??SPI_Wr_752（LCR?0xBF?2）;???//使能訪問(wèn)EFR寄存器
??SPI_Wr_752（EFR?0x10?2）;???//?能增強(qiáng)型寄存器
??SPI_Wr_752（LCR?0x1B?2）;???//?8位數(shù)據(jù)位?1?為停止位?偶校驗(yàn)
??SPI_Wr_752?（IER?0x01?2）;???//?使能接收中斷標(biāo)志
}

uchar??SPI_Read（void）
{
??uchar?data;
??SPDR?=?0x0;
??while（0?==?（SPSR?&?0x80））;
??data?=?SPDR;??
??return?data;???
}

void?SPI_Receive（uchar?*datauchar?DataLength）
{
??while（DataLength?--?）
??{
????*data?=?SPI_Read（）;

?屬性????????????大小?????日期????時(shí)間???名稱(chēng)
-----------?---------??----------?-----??----

?????文件?????421888??2008-10-14?22:32??第9章無(wú)線智能抄表系統(tǒng)設(shè)計(jì)實(shí)例\電路圖\智能抄表.ddb

?????文件???????6042??2008-08-06?09:19??第9章無(wú)線智能抄表系統(tǒng)設(shè)計(jì)實(shí)例\程序代碼\智能抄表.c

?????目錄??????????0??2010-10-07?11:24??第9章無(wú)線智能抄表系統(tǒng)設(shè)計(jì)實(shí)例\電路圖

?????目錄??????????0??2010-10-07?11:24??第9章無(wú)線智能抄表系統(tǒng)設(shè)計(jì)實(shí)例\程序代碼

?????目錄??????????0??2010-10-07?11:24??第9章無(wú)線智能抄表系統(tǒng)設(shè)計(jì)實(shí)例

-----------?---------??----------?-----??----

???????????????427930????????????????????5