本帖最后由 0522 于 2012-3-21 23:04 编辑
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# ~( t9 `: f J z, D& E! j. ?修改的代码早有了。到今天不会编译。
6 Z/ V; ?8 O. T3 i! Z7 J( t需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
/ B/ a k# d! |* x - #include <malloc.h>
2 P$ g5 ^7 D: ~7 {& C - #include <sys/types.h>
, h; ~4 e$ a+ Y/ K2 } - #include <sys/stat.h>) i! C/ _8 G! _
- #include <sys/ioctl.h>0 E$ X9 V7 g* C5 S2 x- P( {
- #include <stdio.h>
# f& d: `8 Z3 C3 L) S - #include <string.h>
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& q1 l5 ?+ b. ?& k3 A/ f- typedef struct {
) \- K$ ~2 N0 `5 ?, ~5 i" d - unsigned int e2prom_cmd_sub_addr;; w0 u% N2 k# s. l* m$ Z
- unsigned int sub_addr_count;. W) N/ J% j% t# J. e
- unsigned char* e2prom_cmd_data;
- C1 Q; g# ]2 p" l7 n, E" f+ G - unsigned int data_count;
& ]1 e8 b& N/ {+ G8 J1 l - } e2prom_s_cmd;
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. D( t* {+ m0 Y( L! ]' j* {7 z( I- #define E2PROM_CMD_READ 10 d, l/ t# U4 X% j' [# S* ^6 l
- #define E2PROM_CMD_WRITE 2
3 O# z, V5 f+ N+ [ - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"! m2 v- ^: ]- b0 `3 B, x+ }
, U, H( f: d8 I7 T4 d5 F* d6 \- static int readparam(unsigned char *mac, unsigned char *stbid)
, M) ^+ X3 L' n; [0 A% r9 h - {
6 X: `0 J% K2 d+ `' A. Q9 D) W) ` - int fd, ret;3 i% a7 u3 d" e( j: }9 c- ^ g
- e2prom_s_cmd arg;/ w! T6 C3 F$ Y* T. @
- unsigned char buf[0x18]; t+ N o. y4 S- r i! l
- 9 g) E# p0 t8 S- P5 I( ?
- fd = open(E2PROM_DEVICE, O_RDWR);! q/ _- j0 d& N: D! X. ~
- if (fd < 0) {& B9 r8 z( m5 K9 ~1 ]# R" }
- printf("Device %s open error.\n", E2PROM_DEVICE);- ^4 L4 J, N: g$ t9 K- o: h
- return -1;
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- arg.sub_addr_count = 2; c8 t! |# B( w7 a
- arg.data_count = 0x18;
& O) h: {" }, I% }) z8 @ - arg.e2prom_cmd_sub_addr = 0x290;
& X# e! L! U' U3 i# } - arg.e2prom_cmd_data = buf;3 B. n9 Y' n, R5 |$ t2 d# V4 w
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);% e) v, Q4 t9 a7 W7 D
- if (ret != 0) {8 o- H6 x O( P+ O5 {
- printf("Device %s read error.\n", E2PROM_DEVICE);" P$ [, l p! p' M9 R% j' n
- return -1;* H( }' r! a2 h
- }
0 w3 l7 m& y( C- i$ d - memcpy(mac, buf, 6);! I) D/ e9 F5 @. O9 l9 }: o, x
- memcpy(stbid, &buf[6], 18);: Y0 U) Z* T6 N5 `, g
- stbid[18] = '\0';% D3 t k' p0 F+ `
$ X: u' J* {! a' n, z, m. Y# p+ ?- return 0;
4 ]7 ^4 C1 t3 K& ^7 u - }
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1 \7 z7 f9 S/ q6 u/ t6 N0 Z- static int writeparam(unsigned char *mac, unsigned char *stbid)
$ ~) U$ {# U; q- }8 ]! O - {
, b# l D8 @- m G& V3 B - int fd, ret;
5 W8 Q( D% A, B4 R! E3 M - e2prom_s_cmd arg;
& S* {" k |) a4 ^. Z - unsigned char buf[0x18];0 i. y8 b) m0 p- c5 U' p
; V; C u" c! M1 r+ b& T- memcpy(buf, mac, 6);
" u6 J) h- K1 ^8 d, } u8 x( O7 o5 i - memcpy(&buf[6], stbid, 18);3 E0 z" P1 y$ x: s* M( g1 }
- fd = open(E2PROM_DEVICE, O_RDWR);
% f- Z- t' Y7 h" b o, x - if (fd < 0) {# q8 U3 }, r& p2 g* {
- printf("Device %s open error.\n", E2PROM_DEVICE);
* |) W% x. L5 H+ ?5 v3 u4 e D& ^3 @7 A - return -1;- e3 e8 H) j; z
- }
) t9 t2 V0 E/ N8 T ~1 _ - arg.sub_addr_count = 2;
, u# ]; [& |) t3 D T6 h; u - arg.data_count = 0x18;
5 h' A% n# A# _7 m; o - arg.e2prom_cmd_sub_addr = 0x290; l% U! ^) _6 O1 y* ?6 `
- arg.e2prom_cmd_data = buf;4 l W5 i- t+ |; B, k8 c
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
, R2 ^8 h" t* j+ k l O$ K+ ^! `8 z4 W - if (ret != 0) {
9 M z3 `5 S, N4 V" n3 c, P# ` - printf("Device %s write error.\n", E2PROM_DEVICE);
2 O- k5 M; y1 ?6 B5 c+ U - return -1;/ N9 F8 F- J h$ o
- }; k8 n2 q% b( [% O
- 6 \; J! U" B* C# R( S
- return 0;
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- " q! E1 w! p! a, P3 `5 `% L1 V8 r
- int main()) ~1 Z# ?4 _4 ?, U Z7 O; g' m
- {
2 o3 M1 P! g, E" t+ B- \ - char c;
( v/ y8 A" Q# Y q7 D% u) E& W% c - int i, macs[6];# E% g$ ?" k1 {0 V7 {' b" J; d
- unsigned char mac[6];
$ u: I% Z) D* B - unsigned char stbid[256];: P5 F6 [& K/ s. b
- - ^$ q& ]" |4 [# q# W
- if (readparam(mac, stbid) < 0)
6 M) q. b9 I/ }. _& ]& _- { - return 1;
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# {8 n" J+ N9 @/ o; S! N% F- printf("Current parameters: \n");
7 S. S1 l7 C' P2 Z( {7 A4 P6 z - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);7 M: K( t! }1 @, j/ a5 E- X6 a6 [
- printf(" STBID: %s\n", stbid);
' }. Y B5 Q1 p/ \& @ -
' O8 f9 ]9 W0 K# x# {4 D; s# d - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
/ H: M$ G& v1 f8 E6 F- W - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) { X, h" s1 X7 Q G% Y$ ~& e, \
- printf("Input MAC error\n");
, Z' u) h' y& e! M, e$ G" m2 k - return 1;
3 {4 |3 d8 A( i; ~" v# S; M1 s - }
) K7 R2 ?; _: g! }# G4 r, a - for (i=0; i<6; i++)mac[i] = macs[i];: U9 _4 I' Z# k. ]9 F2 P
- printf("\nPlease input new STBID: ");
$ U2 O( O3 ]9 K - scanf("%s", stbid);. }, y0 c8 c# u- f; c$ }4 Z2 I2 [6 }
- if (strlen(stbid) != 18) {* N) N$ m0 R% I8 a+ ]$ H3 F
- printf("Invalid stbid\n");
4 G F) d6 C6 Y ?1 Y - return 1;) C4 q% m0 P7 j& \! q( m5 O$ K G% s
- }; X* ?, x) j4 M0 b
- printf("\nNew parameters: \n");& v& r, o- d& I/ S) i6 H" P- @! |' w
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
3 M7 {) M/ n; y. d% x" H% _% i! | - printf(" STBID: %s\n", stbid);
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/ c% f8 C# \7 R: F) f# a- printf("\nDo you want to change paramemters? (y/N) ");
3 H9 y; Y; s: R# i - for (;;) {& ~# G. T% b0 O; R
- c = getchar();9 Q; |. V' b& e1 I
- if (c == 'y' || c == 'Y')+ I* ?5 Y) z: i' }; s& Q
- break;
1 o _& ]7 Q- E - if (c == 'n' || c == 'N') {) A8 E+ B5 `9 e9 a
- printf("\nAborted.\n");& M4 p: Y5 p* P0 a' t7 r$ E
- return 1;6 O; V5 r4 H" }3 e
- }
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- if (writeparam(mac, stbid) == 0) 4 F+ ^* P! Z7 O! [" R
- printf("Parameters changed.\n"); i1 j: L3 p; z2 ?: d+ s0 Z6 X
- $ x! \5 S6 F9 N. n
- return 0;
5 Z6 Q( L" f& Y - }
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