#include?“board.h“
#include?“uart.h“

#define?BOTH_EMPTY?（UART_LSR_TEMT?|?UART_LSR_THRE）

#define?WAIT_FOR_XMITR?\
????????do?{?\
????????????????lsr?=?REG8（UART_base?+?UART_LSR）;?\
????????}?while?（（lsr?&?BOTH_EMPTY）?!=?BOTH_EMPTY）

#define?WAIT_FOR_THRE?\
????????do?{?\
????????????????lsr?=?REG8（UART_base?+?UART_LSR）;?\
????????}?while?（（lsr?&?UART_LSR_THRE）?!=?UART_LSR_THRE）

#define?CHECK_FOR_CHAR?（REG8（UART_base?+?UART_LSR）?&?UART_LSR_DR）

#define?WAIT_FOR_CHAR?\
?????????do?{?\
????????????????lsr?=?REG8（UART_base?+?UART_LSR）;?\
?????????}?while?（（lsr?&?UART_LSR_DR）?!=?UART_LSR_DR）

void?uart_init（void）
{
??int?divisor;

??/*?Reset?receiver?and?transmiter?*/
??REG8（UART_base?+?UART_FCR）?=?UART_FCR_ENABLE_FIFO?|?UART_FCR_CLEAR_RCVR?|?UART_FCR_CLEAR_XMIT?|?UART_FCR_TRIGGER_14;

??/*?Disable?all?interrupts?*/
??REG8（UART_base?+?UART_IER）?=?0x00;

??/*?Set?8?bit?char?1?stop?bit?no?parity?*/
??REG8（UART_base?+?UART_LCR）?=?UART_LCR_WLEN8?&?~（UART_LCR_STOP?|?UART_LCR_PARITY）;

??/*?Set?baud?rate?*/
??divisor?=?IN_CLK/（16?*?UART_BAUD_RATE）;
??REG8（UART_base?+?UART_LCR）?|=?UART_LCR_DLAB;
??REG8（UART_base?+?UART_DLL）?=?divisor?&?0x000000ff;
??REG8（UART_base?+?UART_DLM）?=?（divisor?>>?8）?&?0x000000ff;
??REG8（UART_base?+?UART_LCR）?&=?~（UART_LCR_DLAB）;
}

void?uart_putc（char?c）
{
??unsigned?char?lsr;
????????
??WAIT_FOR_THRE;
??REG8（UART_base?+?UART_TX）?=?c;
??if（c?==?‘\n‘）?{
????WAIT_FOR_THRE;
????REG8（UART_base?+?UART_TX）?=?‘\r‘;
??}
??WAIT_FOR_XMITR;
}

char?uart_getc（void）
{
??unsigned?char?lsr;
??char?c;

??WAIT_FOR_CHAR;
??c?=?REG8（UART_base?+?UART_RX）;
??return?c;
}

char?*str?=?“Hello?world!!!\n“;
int?main?（void）
{
??char?*s;

??uart_init?（）;
??for?（s?=?str;?*s;?s++）
????uart_putc?（*s）;

??while?（1）
????uart_putc?（uart_getc?（）?+?1）;

??return?0;
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????4592??2013-03-22?17:23??openrisc下hello-uart仿真和開發板驗證\linux?下?or1k?gnu?toolchain?建立?（初稿）20080422\linux?下?or1k?gnu?toolchain?建立?（初稿）20080422.txt

?????文件???????1973??2013-03-22?17:21??openrisc下hello-uart仿真和開發板驗證\linux?下?or1k?gnu?toolchain?建立?（初稿）20080422.rar

?????文件????????444??2013-03-22?17:23??openrisc下hello-uart仿真和開發板驗證\membuild?20080521?生成的代碼可以使用\membuild\build_rtl.php

?????文件???????1175??2013-03-22?17:23??openrisc下hello-uart仿真和開發板驗證\membuild?20080521?生成的代碼可以使用\membuild\build_tb.php

?????文件???????1076??2013-03-22?17:23??openrisc下hello-uart仿真和開發板驗證\membuild?20080521?生成的代碼可以使用\membuild\build_wb_mem.php

?????文件????????330??2013-03-22?17:23??openrisc下hello-uart仿真和開發板驗證\membuild?20080521?生成的代碼可以使用\membuild\examples\data.txt

?????文件????????655??2013-03-22?17:23??openrisc下hello-uart仿真和開發板驗證\membuild?20080521?生成的代碼可以使用\membuild\examples\readmemh.v

?????文件???????9560??2013-03-22?17:23??openrisc下hello-uart仿真和開發板驗證\membuild?20080521?生成的代碼可以使用\membuild\hello.bin

?????文件???????8200??2013-03-22?17:23??openrisc下hello-uart仿真和開發板驗證\membuild?20080521?生成的代碼可以使用\membuild\reset.bin

?????文件????????486??2013-03-22?17:23??openrisc下hello-uart仿真和開發板驗證\membuild?20080521?生成的代碼可以使用\membuild\rtl\mem.tpl.v

?????文件???????1363??2013-03-22?17:23??openrisc下hello-uart仿真和開發板驗證\membuild?20080521?生成的代碼可以使用\membuild\rtl\ramb16_s9.tpl.php

?????文件????????823??2013-03-22?17:23??openrisc下hello-uart仿真和開發板驗證\membuild?20080521?生成的代碼可以使用\membuild\rtl\ramb16_s9.tpl.v

?????文件???????1225??2013-03-22?17:23??openrisc下hello-uart仿真和開發板驗證\membuild?20080521?生成的代碼可以使用\membuild\rtl\有注釋信息ramb16_s9.tpl.v

?????文件???????2557??2013-03-22?17:23??openrisc下hello-uart仿真和開發板驗證\membuild?20080521?生成的代碼可以使用\membuild\rtlmem.php

?????文件????????464??2013-03-22?17:23??openrisc下hello-uart仿真和開發板驗證\membuild?20080521?生成的代碼可以使用\membuild\tb\mem.tpl.v

?????文件???????2100??2013-03-22?17:23??openrisc下hello-uart仿真和開發板驗證\membuild?20080521?生成的代碼可以使用\membuild\tb\wb_mem.tpl.v

?????文件????????630??2013-03-22?17:23??openrisc下hello-uart仿真和開發板驗證\membuild?20080521?生成的代碼可以使用\membuild\tb\另一版本mem.tpl.v

?????文件???????1852??2013-03-22?17:23??openrisc下hello-uart仿真和開發板驗證\membuild?20080521?生成的代碼可以使用\membuild\tpl\wb_mem.tpl.v

?????文件???????1392??2013-03-22?17:23??openrisc下hello-uart仿真和開發板驗證\membuild?20080521?生成的代碼可以使用\membuild\view.php

?????文件????????977??2013-03-22?17:23??openrisc下hello-uart仿真和開發板驗證\membuild?20080521?生成的代碼可以使用\membuild\說明.txt

?????文件??????11356??2013-03-22?17:21??openrisc下hello-uart仿真和開發板驗證\membuild?20080521?生成的代碼可以使用.rar

?????文件???????9560??2013-03-22?17:23??openrisc下hello-uart仿真和開發板驗證\mini_or1200?20080521?仿真和上板調試通過\mini_or1200\bin\hello.bin

?????文件???????8200??2013-03-22?17:23??openrisc下hello-uart仿真和開發板驗證\mini_or1200?20080521?仿真和上板調試通過\mini_or1200\bin\reset.bin

?????文件????1448821??2013-03-22?17:13??openrisc下hello-uart仿真和開發板驗證\mini_or1200?20080521?仿真和上板調試通過\mini_or1200\mini_or1200_top.bit

?????文件???????6150??2013-03-22?17:23??openrisc下hello-uart仿真和開發板驗證\mini_or1200?20080521?仿真和上板調試通過\mini_or1200\or32soft\dat0.txt

?????文件???????6150??2013-03-22?17:23??openrisc下hello-uart仿真和開發板驗證\mini_or1200?20080521?仿真和上板調試通過\mini_or1200\or32soft\dat1.txt

?????文件???????6150??2013-03-22?17:23??openrisc下hello-uart仿真和開發板驗證\mini_or1200?20080521?仿真和上板調試通過\mini_or1200\or32soft\dat2.txt

?????文件???????6150??2013-03-22?17:23??openrisc下hello-uart仿真和開發板驗證\mini_or1200?20080521?仿真和上板調試通過\mini_or1200\or32soft\dat3.txt

?????文件???????9560??2013-03-22?17:23??openrisc下hello-uart仿真和開發板驗證\mini_or1200?20080521?仿真和上板調試通過\mini_or1200\or32soft\hello.bin

?????文件????????418??2013-03-22?17:23??openrisc下hello-uart仿真和開發板驗證\mini_or1200?20080521?仿真和上板調試通過\mini_or1200\or32soft\mem_tb_U0.v

............此處省略215個文件信息