#include?
#include?“system.h“
#include?“altera_avalon_pio_regs.h“
#include?“alt_types.h“
#include?“sys/alt_timestamp.h“

void?initial（void）;
//void?time_test（void）;
void?delay_ms（unsigned?int?num）;
void?delay_us（unsigned?long?int?num）;????
void?wr_data（alt_u8?data）;?
void?wr_comand（unsigned?int?comand）;?

int?main（）
{
????alt_u8?hour=0xf0minute=0xffsecond=0xffmode=0xff;
????
????//?time_test（）;
????initial（）;
????while（1）
????{
????????hour=IORD_ALTERA_AVALON_PIO_DATA（PIO_2_base）;???//讀數據
????????minute=IORD_ALTERA_AVALON_PIO_DATA（PIO_3_base）;
????????second=IORD_ALTERA_AVALON_PIO_DATA（PIO_4_base）;
????????mode=IORD_ALTERA_AVALON_PIO_DATA（PIO_5_base）;
????????
????????wr_comand（0x80）;???//第一行
????????wr_data（0xa0）;
????????wr_data（0xb0）;
????????wr_data（0xc0）;
????????wr_data（0xd0）;
????????wr_data（0xe0）;
????????mode=mode<<4;
????????wr_data（mode）;
????????
????????wr_comand（0xc8）;???//第二行
????????wr_data（hour）;
????????hour=hour<<4;
????????wr_data（hour）;
????????wr_data（0xe0）;
????????
????????wr_data（minute）;
????????minute=minute<<4;
????????wr_data（minute）;
????????wr_data（0xe0）;
????????
????????wr_data（second）;
????????second=second<<4;
????????wr_data（second）;
????}
}

/*void?time_test（void）
{
????unsigned?long?int?time1;
????unsigned?long?int?time2;
????unsigned?long?int?freq;
????if（alt_timestamp_start（）<0）
????{
????????printf（“register?failure!“）;
????}
????else
????{
????????time1=alt_timestamp（）;
????????delay_us（40）;
????????time2=alt_timestamp（）;
????????freq=alt_timestamp_freq（）;
????????printf（“time1=%ldtime2=%ld\n“time1time2）;
????????printf（“該延遲函數運行所花費的時間是：%f“（double）（time2-time1）/freq）;?
????}
}*/
????
void?initial（void）????????????????????????//控制器初始化
{
????IOWR_ALTERA_AVALON_PIO_DATA（PIO_1_base0x18）;????//18
????delay_ms（20）;
????wr_comand（0x30）;
????delay_us（120）;
????wr_comand（0x30）;
????wr_comand（0x30）;
????wr_comand（0x38）;???????????????????????//功能設置:2X16
????wr_comand（0x0c）;???????????????????????//關顯示
????wr_comand（0x01）;???????????????????????//清屏
????delay_ms（2）;
????wr_comand（0x06）;???????????????????????//設定輸入方式，AC自動減一，畫面不動
}

void?delay_ms（unsigned?int?num）????????????//ms延時
{
????unsigned?int?i;
????unsigned?long?int?j;
????for（i=0;i????{
????????for（j=0;j<7135;j++）
????????{
????????????;
????????}
????}
}

void?delay_us（unsigned?long?int?num）??????????????????//us延時
{???
????unsigned?long?int?i;
????unsigned?int?j;
?????for（i=0;i????{
????????for（j=0;j<6;j++）
????????{
????????????;
????????}
????}
}

void?wr_comand（unsigned?int?comand）???????????????????//寫指令
{
????IOWR_ALTERA_AVALON_PIO_DATA（PIO_0_basecomand）;
????IOWR_ALTERA_AVALON_PIO_DATA（PIO_1_base0x18）;?????//18
????delay_us（1）;?
????IOWR_ALTERA_AVALON_PIO_DATA（PIO_1_base0x1c）;?????//1c
????delay_us（1）;
????IOWR_ALTERA_AVALON_PIO_DATA（PIO_1_base0x18）;?
????delay_us（50）;
}

void?wr_data（alt

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

?????文件???????1263??2012-04-02?16:51??MyTimer\MyTimer.qpf

?????文件???????3738??2012-04-05?09:02??MyTimer\MyTimer.qsf

?????文件???????1591??2012-04-03?20:46??MyTimer\db\mux_0kb.tdf

?????文件????????137??2012-04-02?16:51??MyTimer\db\MyTimer.db_info

?????文件?????580994??2012-04-05?09:34??MyTimer\db\MyTimer.cmp.cdb

?????文件????????174??2012-04-05?09:33??MyTimer\db\MyTimer.tis_db_list.ddb

?????文件???????1479??2012-04-03?20:19??MyTimer\db\MyTimer.（0）.cnf.cdb

?????文件????????753??2012-04-03?20:19??MyTimer\db\MyTimer.（0）.cnf.hdb

?????文件??????38766??2012-04-05?09:31??MyTimer\db\MyTimer.rtlv_sg_swap.cdb

?????文件?????????46??2012-04-05?09:33??MyTimer\db\MyTimer.cmp.ecobp

?????文件???????2194??2012-04-05?09:34??MyTimer\db\MyTimer.asm.qmsg

?????文件??????63987??2012-04-05?09:33??MyTimer\db\MyTimer.fit.qmsg

?????文件?????199697??2012-04-05?09:34??MyTimer\db\MyTimer.tan.qmsg

?????文件?????187638??2012-04-05?09:31??MyTimer\db\prev_cmp_MyTimer.map.qmsg

?????文件????????966??2012-04-05?09:32??MyTimer\db\MyTimer.cbx.xml

?????文件??????63987??2012-04-05?09:31??MyTimer\db\prev_cmp_MyTimer.fit.qmsg

?????文件???????2194??2012-04-05?09:31??MyTimer\db\prev_cmp_MyTimer.asm.qmsg

?????文件???????8943??2012-04-05?09:31??MyTimer\db\MyTimer.lpc.txt

?????文件?????202843??2012-04-05?09:31??MyTimer\db\prev_cmp_MyTimer.tan.qmsg

?????文件??????11383??2012-04-05?09:31??MyTimer\db\MyTimer.lpc.html

?????文件?????456894??2012-04-05?09:31??MyTimer\db\prev_cmp_MyTimer.qmsg

?????文件?????187638??2012-04-05?09:32??MyTimer\db\MyTimer.map.qmsg

?????文件??????????4??2012-04-05?09:33??MyTimer\db\MyTimer.cmp.logdb

?????文件??????20280??2012-04-03?20:46??MyTimer\db\MyTimer.（2）.cnf.cdb

?????文件???????9123??2012-04-03?20:46??MyTimer\db\MyTimer.（2）.cnf.hdb

?????文件????????436??2012-04-05?09:31??MyTimer\db\MyTimer.smp_dump.txt

?????文件??????26596??2012-04-05?09:31??MyTimer\db\MyTimer.（1）.cnf.cdb

?????文件??????15646??2012-04-04?17:55??MyTimer\db\MyTimer.（43）.cnf.cdb

?????文件???????3716??2012-04-05?09:31??MyTimer\db\MyTimer.（1）.cnf.hdb

?????文件???????1025??2012-04-05?09:31??MyTimer\db\MyTimer.lpc.rdb

............此處省略472個文件信息