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。
3 C( W& }" z1 e1 ]/ N! \6 R% e需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>8 q* j/ R! R3 z# D1 |4 Z9 b6 C
- #include <malloc.h>8 Z, o/ C0 Y1 E
- #include <sys/types.h>
: V! w! f8 e: X' s( l - #include <sys/stat.h>9 W7 k9 ~- u8 j W; \/ A
- #include <sys/ioctl.h>
; V9 g1 J; {. ]. Z m7 E; d - #include <stdio.h>
" ^( `2 g8 Z9 F/ [ - #include <string.h>* Y/ X5 r4 C. W W8 M
- ' e2 Q3 h B! Q" k. l+ c# S5 O
- typedef struct {
8 c. O" [) B1 e7 ]6 P - unsigned int e2prom_cmd_sub_addr;" r) z1 ~: Z$ y M! x
- unsigned int sub_addr_count;, J5 \2 L; @% X& h% @
- unsigned char* e2prom_cmd_data;
- x4 k9 R3 p0 \) O! _; \ - unsigned int data_count;
9 s$ b& Y* j+ f9 r: R1 Q - } e2prom_s_cmd;5 H: |) `7 D7 J0 |
- , u, _- B' f5 g" c- @" s s9 \
- #define E2PROM_CMD_READ 1( I; x/ H; J' q4 T) E3 k& X0 s: Z7 q
- #define E2PROM_CMD_WRITE 2
& _' _0 s- ]4 e! X0 o; a! [ - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"6 x+ v( z, G3 y1 C2 J) v3 t
- 5 k( C2 N5 k4 M8 m6 s
- static int readparam(unsigned char *mac, unsigned char *stbid)
) R; f. X: P: B* R- E1 [- A - {
' ]' O! C+ J! Y. u - int fd, ret;
% y+ P1 E, p6 v9 v - e2prom_s_cmd arg;& V- [; `( Q: q# N% F0 p
- unsigned char buf[0x18];- @9 ~0 X/ U! s+ ]) m8 V* e! f
- , @& @8 q# ]9 ^+ {: w! | V
- fd = open(E2PROM_DEVICE, O_RDWR);6 Z0 {& T$ E& Z2 j
- if (fd < 0) {9 @" ^; c% B. T, P$ A Q4 a
- printf("Device %s open error.\n", E2PROM_DEVICE);
# p9 T. R; B5 i6 D& F - return -1;2 B/ E+ T- p H3 y( J, Q* s
- }
4 g9 G6 Q T4 H! R& n7 L; q2 m& v - arg.sub_addr_count = 2;) C. f J, W4 Y" o' t" ?6 V; k
- arg.data_count = 0x18;9 W0 S+ n& W( I; [5 e" n) Y0 { Q
- arg.e2prom_cmd_sub_addr = 0x290;9 v8 t. @& T/ q' R
- arg.e2prom_cmd_data = buf;+ N. Z6 s) o6 J
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
% Z5 j) l# [4 [: q8 \ - if (ret != 0) {
7 m, q+ W2 ]' d* p) [% B5 |6 R* j - printf("Device %s read error.\n", E2PROM_DEVICE);
^! X o6 E' X: K - return -1;; ?' G* c+ y: L
- }8 E, M% {; O% ?+ M$ ?0 D7 s+ g' e
- memcpy(mac, buf, 6);
@, P# J# a4 n5 r7 N( v - memcpy(stbid, &buf[6], 18);
; |) L) _9 ]8 u6 d& O3 ?' T - stbid[18] = '\0';( `- c w8 m+ s( e) o' i
8 R% r) z2 l) ^. b3 H" X- return 0;
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1 c! s2 Y3 P8 y d1 |& d- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;8 K$ B- m0 T2 r7 M
- e2prom_s_cmd arg;1 [/ W) z$ _/ ?4 ` v8 S: T
- unsigned char buf[0x18];( w5 k5 {2 O: X$ Q* m6 q/ E
- 2 U: z' U- h3 J$ w
- memcpy(buf, mac, 6);$ X$ l) x' Y/ _1 o* \9 T
- memcpy(&buf[6], stbid, 18);/ h! }! r( N0 ^* H
- fd = open(E2PROM_DEVICE, O_RDWR);
6 i- ^6 m# e, ] |# Q9 q - if (fd < 0) {
0 O' I1 [; S! r2 F8 O+ S Q6 E - printf("Device %s open error.\n", E2PROM_DEVICE);
# f6 v" Y7 f4 c$ M3 Z, L. u - return -1;
( z) v2 y. B& T' [5 P( d( [ - }
" ~: ?* i4 E5 X4 {* t - arg.sub_addr_count = 2;
: R( @( _. J! n) |, | - arg.data_count = 0x18;& U0 C7 [! g! r% K) F2 S% o
- arg.e2prom_cmd_sub_addr = 0x290;7 u' o. ~$ E' \; ]# _
- arg.e2prom_cmd_data = buf;- E9 M2 ^+ T5 p1 |6 h
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);2 k5 V: \- j5 G$ d/ f2 i0 w
- if (ret != 0) {
9 b4 i: D9 i9 i: |0 A f - printf("Device %s write error.\n", E2PROM_DEVICE);
, ~; B1 y. F' w; O6 v2 i - return -1;
: [. [' g+ p& q' n- \# c - }& K- P0 u' Z+ _: h' _& T) z
- $ M8 W) ?, E- [# f5 ~/ |
- return 0;1 H8 g1 a% P) Z0 v+ ? e: |
- }8 h$ ]% `3 F6 C& S* _$ ?
- J8 F% {, h }- ?- int main()
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- char c;' ~* C# A# A% S9 }# z
- int i, macs[6];' y! U7 q% ^7 `' r+ A) T
- unsigned char mac[6];
$ W4 U. |0 ^. K - unsigned char stbid[256];
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1 i/ A$ }! i" [- if (readparam(mac, stbid) < 0)8 ]# j. G5 y. S
- return 1;
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- printf("Current parameters: \n");; h/ s0 l0 n% U ~
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);1 p1 @! M# ?5 B6 s% _2 @
- printf(" STBID: %s\n", stbid);
' U. O! ?! R# s% y' b -
0 w8 Y$ w6 p& L9 l - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
+ @+ m& P" A3 e8 { - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
$ e! F, C, @( F - printf("Input MAC error\n");& u# S# G3 u) x! }1 d+ m% f
- return 1;7 X) L( E& [- b- \8 F
- }4 Z# m5 G6 V+ j5 \# E4 ?
- for (i=0; i<6; i++)mac[i] = macs[i];! j% V( K) O9 F- D6 ^
- printf("\nPlease input new STBID: ");9 r! s7 \* V1 K+ R8 ~, W# }
- scanf("%s", stbid);
2 Z& H8 M2 k. ~, N9 { - if (strlen(stbid) != 18) {
# T( j$ F# m& B - printf("Invalid stbid\n");
. O8 s+ n8 G: H( V% c5 x: p- x - return 1;. H! D. U- r. U/ g" ?9 w2 l3 D
- }
0 `, R) E% w) u7 z5 f, {6 I2 ` - printf("\nNew parameters: \n");3 r/ l( |2 D& i- o% ?" l6 Y+ C7 b) e
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);4 K& H! H+ g5 ~2 }
- printf(" STBID: %s\n", stbid);
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- C3 z5 ?6 r$ G/ q( B- P- printf("\nDo you want to change paramemters? (y/N) ");
0 ? Z- h3 }4 t - for (;;) {+ S" i! Y# A* \# _1 S
- c = getchar();
: Q) s8 l1 m& G \% X - if (c == 'y' || c == 'Y')7 c- I. w& X6 H; Y
- break;; f# ^# c" r( {: c" j
- if (c == 'n' || c == 'N') {5 {) z5 P3 O2 m; Z4 q
- printf("\nAborted.\n");4 ?# ]: o: L9 {' ], }) j2 d
- return 1;8 H" }; `7 E2 s
- }
& ^3 Y/ s! w. R5 _. V3 a - }
7 l& ~6 j# W( r0 | E - if (writeparam(mac, stbid) == 0) . N3 m& ^$ @; t, x
- printf("Parameters changed.\n");
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- return 0;8 D# T& ^0 O# e! T/ E! t
- }
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