這幾天搞gprs模組，雖然花費了些時間，但是也收穫了很多，從開始連gprs模組主要幹啥都不清楚，一點一點的查詢、學習。前面學習了通過串列埠用at命令實現了簡訊的收發和刪除。這幾天通過學習linux高階程式設計那本書和學習別人的文章、部落格，先是學習linux下串列埠程式設計，然後程式設計實現gprs模組簡訊的收發和刪除操作，為了除錯這幾天不知道用我的手機卡發了多少簡訊，不過總算搞定。
下面是實現**：
[root@root /]# ./my_msm_test
this just be used to send english message
0.exit.
1.send message.
2.read message.
3.delete message.
enter your selete :
2nwrite=3,at
nread=9,at
oknwrite=10,at+cmgf=1
nread=16,at+cmgf=1
oknwrite=14,at+cscs="gsm"
nread=20,at+cscs="gsm"
okjust read unread--message please input 1:
if you read just one message please input 2:
if you read all the message please input 3:
input what you want to do :
3nwrite=14,at+cmgl="all"
nread=512,at+cmgl="all"
+cmgl: 1,"rec read","+8613260579256","","14/09/01,10:26:39+32"
***xx
+cmgl: 2,"rec read","+8613260579256","","14/09/01,16:04:51+32"
hello world
+cmgl: 3,"rec read","+8613260579256","","14/09/01,16:07:58+32"
+cmgl: 4,"rec read","+8613260579256","","14/09/01,16:08:26+32"
+cmgl: 5,"rec read","+8613260579256","","14/09/01,16:10:49+32"
+cmgl: 6,"rec read","+8613260579256","","14/09/01,13:32:12+32"
ni hao
+cmgl: 7,"rec read","+8613260579256","","14/09/01,13:33:08+32"
at+cmgl="all"
[root@root /]# ./my_msm_test
this just be used to send english message
0.exit.
1.send message.
2.read message.
3.delete message.
enter your selete :
2nwrite=3,at
nread=9,at
oknwrite=10,at+cmgf=1
nread=16,at+cmgf=1ok
nwrite=14,at+cscs="gsm"
nread=20,at+cscs="gsm"
okjust read unread--message please input 1:
if you read just one message please input 2:
if you read all the message please input 3:
input what you want to do :
2please input the number you want to read:6
nwrite=10,at+cmgr=6
nread=88,at+cmgr=6
+cmgr: "rec read","+8613260579256","","14/09/01,13:32:12+32"
ni haook
[root@root /]# ./my_msm_test
this just be used to send english message
0.exit.
1.send message.
2.read message.
3.delete message.
enter your selete :
3nwrite=3,at
nread=9,at
okplease input the number you want to delete:8
nwrite=10,at+cmgd=8
nread=16,at+cmgd=8
ok
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