本帖最后由 0522 于 2012-3-21 23:04 编辑
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修改的代码早有了。到今天不会编译。
+ [0 W& Z( W. r1 O需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>. b/ w+ l5 T/ s, C
- #include <malloc.h>9 j+ m; Q$ C& [. Z/ W
- #include <sys/types.h>
" h+ ?/ I( X/ \ t5 I, |8 W - #include <sys/stat.h>6 `2 b+ |" X+ S' C* X
- #include <sys/ioctl.h>% Q8 D9 u9 @* ^4 _# o$ }) }) B& s1 V
- #include <stdio.h>
, Q$ M1 j% N+ o0 I9 Q - #include <string.h>
# \5 y9 O4 S: \! \/ v9 C, E
$ ]! X" K: ?' j" v- typedef struct {9 E! v+ N8 l1 Q: T
- unsigned int e2prom_cmd_sub_addr;: l' \0 a* t6 C( O6 _( d' Y4 b( I( e
- unsigned int sub_addr_count;
& o! `- j. `* E* n9 ] - unsigned char* e2prom_cmd_data;
# d9 r6 e" `2 n" B - unsigned int data_count;3 n0 r; A/ T! s: @3 q: O9 }) B
- } e2prom_s_cmd;
* k5 O/ X5 j- O2 r- }4 w, O' } - 8 U3 ~: b b1 P
- #define E2PROM_CMD_READ 1
4 @* p2 T5 g: z) i5 D$ Y - #define E2PROM_CMD_WRITE 2
; M+ A. V. P P$ k! C6 s - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"9 @% u' c* |# D7 y4 o
- 2 _$ e |" C7 k* {
- static int readparam(unsigned char *mac, unsigned char *stbid)
$ [/ [1 S4 ]; x: `% O& t5 {% d - {) h' i; f% g& t) z, m# Q* z
- int fd, ret;2 X1 R9 D" M) g; }+ Q
- e2prom_s_cmd arg;
5 _1 P! e! H& F - unsigned char buf[0x18];
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/ v4 a" n4 z7 |. F' d5 F( X- fd = open(E2PROM_DEVICE, O_RDWR);0 ~; R* f) r& O" n. s
- if (fd < 0) {
6 J$ \' G s0 b' a$ J7 i - printf("Device %s open error.\n", E2PROM_DEVICE);$ o! F, p0 o) P$ u6 f
- return -1;2 N" p% M+ v2 g- t. G- d* n
- }
, s, r, N* h7 u& G* l3 I$ K - arg.sub_addr_count = 2;& G _& C# T9 q, o \8 Q- n0 `6 w
- arg.data_count = 0x18;
- g) q' g: s4 n- m: i* x2 u - arg.e2prom_cmd_sub_addr = 0x290;+ _( f% e! z' L9 z- q
- arg.e2prom_cmd_data = buf;1 q& Z! I% R6 O3 W' v# s' J! Z
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);3 t& E( R) k, e2 p
- if (ret != 0) {* q1 l3 [0 X0 y& i+ y! t5 K
- printf("Device %s read error.\n", E2PROM_DEVICE);3 g0 x* h% T1 d: z0 ], }4 b
- return -1;: |0 v0 R# k M; a8 ^. c
- }
/ V& G9 K/ G% d: u! n5 R - memcpy(mac, buf, 6);
, k6 J* g" I) L7 p7 x& V, a, a$ u - memcpy(stbid, &buf[6], 18);
3 o) |5 H- a+ S( m& _ - stbid[18] = '\0';" V3 U3 E. e' N0 \$ ]" `5 o
- * U2 m* L* M+ O9 i6 i" D' g) j: ^
- return 0;
+ g) f9 ~7 D" [% H - }8 r% v0 s& ]0 Y: _* q. @% \: J
- 9 T6 E8 x% a& T+ a; {0 c* d( d
- static int writeparam(unsigned char *mac, unsigned char *stbid)
$ q& E3 ~# y: \5 w6 q9 W - {# r$ S4 ~7 \( M# c9 {) N+ T: N* J
- int fd, ret;
- A$ i; O; u U0 S8 z) y - e2prom_s_cmd arg;. f$ r: @8 Q$ u7 Q( H/ x. l* w S
- unsigned char buf[0x18];/ _ C3 `$ F7 l. X) a1 o
1 d- Z5 `, V5 x- n3 K- memcpy(buf, mac, 6);
3 V# h; ?0 Y! t$ J# ^) c7 Q - memcpy(&buf[6], stbid, 18);
4 x! \0 K: S% i/ J - fd = open(E2PROM_DEVICE, O_RDWR); V7 n v7 g. I" i) w8 G
- if (fd < 0) {
7 ?) x# K' z3 r - printf("Device %s open error.\n", E2PROM_DEVICE);7 }* b0 ?1 X/ o5 K+ G- ^
- return -1;& o4 x! t8 l1 V9 ^7 t$ A
- }
8 z5 E: Z" f* {! Y+ d% M9 Y J - arg.sub_addr_count = 2;
7 U( ?5 i2 o4 c {$ |9 Q8 x4 C) [( b9 u - arg.data_count = 0x18;
' M" r$ I3 i1 e* o$ L1 n6 b5 Z' d - arg.e2prom_cmd_sub_addr = 0x290;; x$ C+ w3 X- J, ]: u" b8 c/ t
- arg.e2prom_cmd_data = buf; u( k% t7 @" D
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);! t6 d1 v$ U* {+ Q& `
- if (ret != 0) {5 i3 @% m" N, J; Y
- printf("Device %s write error.\n", E2PROM_DEVICE);
! ~7 _: v* P3 _ - return -1;( k, C i! M. w8 }5 S" I$ o3 \
- }
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5 n% U$ Y" j0 l$ `, R0 c* J- return 0;
2 `- ^' ^0 i8 n! B, ? - }
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, N% w: x1 A" @, x- int main()
6 _6 U5 z0 _2 d6 K9 Q - {
0 p$ y9 J. e7 T5 j( p - char c;
" z+ F9 {9 O0 [: A - int i, macs[6];* h- J5 S# ~9 U& v
- unsigned char mac[6];/ o1 E" V( q% }# k
- unsigned char stbid[256];1 c/ b3 I1 T) l2 ]3 \' x
- - B/ K8 E* a6 L2 L m* E
- if (readparam(mac, stbid) < 0)9 F% r% H+ m& c
- return 1;1 }/ h& }4 y" s7 d2 e: A! ?: B7 a) x
- 5 h ]) ^2 t$ N' s
- printf("Current parameters: \n");
8 C, J+ y5 F2 B/ @# x; \ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
' \8 s% J# U3 b+ a5 k9 B - printf(" STBID: %s\n", stbid);' S4 Q+ J l: z9 M8 v1 B* h& l
-
3 G3 `9 F$ L( G/ y3 J0 m* a; \ - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
1 s* k- |* S, ~/ s b# l% X - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {: i# o0 Y& V* g: M" j% W' L
- printf("Input MAC error\n");
& c/ Z& N E& D$ _; m' ^( m. y/ j: I - return 1;
3 S" b7 h7 B/ W, P) ?9 f+ H7 R - }
7 U2 h! ~2 w# l" k' ~2 T - for (i=0; i<6; i++)mac[i] = macs[i];/ c% U9 h( z% w7 n6 ]
- printf("\nPlease input new STBID: ");$ d7 i7 \4 m. t- ]- y
- scanf("%s", stbid);1 g3 a2 [; K/ o( @: ]
- if (strlen(stbid) != 18) {1 a/ d5 s. I* Q" i4 \* q/ |
- printf("Invalid stbid\n");
( S/ u$ i! `% X& B( C# l* D - return 1;* F: [% w; p' H1 V5 X4 L1 Y
- }
0 ]/ t" ], L* c3 s - printf("\nNew parameters: \n");
& C* k# Z; s: ?7 } - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
! u) p% m$ H2 k5 h2 M1 O9 w3 Z5 s - printf(" STBID: %s\n", stbid);. z1 B2 P) H# _/ H. g
* a: H& g6 a% V D- printf("\nDo you want to change paramemters? (y/N) ");
8 L5 W" V. U; J X, c I% @ - for (;;) {
; {# O1 A L% o- | [5 p - c = getchar();
& N1 K5 O h% q! v1 t1 u - if (c == 'y' || c == 'Y')
/ q9 V1 j Q7 t5 a5 A6 i2 ] - break;
8 ^( H$ F8 U# L( `4 a - if (c == 'n' || c == 'N') {
2 y2 y0 P' w$ ^; T - printf("\nAborted.\n");$ F5 q. b6 r7 D" d! G
- return 1;+ D, J/ X% [' E5 G. ~: V( O
- }
7 i; V) L1 d; p {8 v - }
2 q& f4 a) \: U/ G6 j - if (writeparam(mac, stbid) == 0)
9 `4 ^( X/ D$ z Q" x E$ M - printf("Parameters changed.\n");, J6 X) Q1 |- q/ }
( h7 `9 J2 W5 V4 F0 B- return 0;. S/ a; ~9 L: U' ?: P. J" H1 z9 y6 V
- }
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