本帖最后由 0522 于 2012-3-21 23:04 编辑 9 @% v2 I) x1 a
9 D3 l b5 D. D% Z修改的代码早有了。到今天不会编译。
! ~9 e7 c! ]; E' r* ]0 [; @需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
1 g9 `3 D. b! ]& b: m, v% [$ l - #include <malloc.h>2 d1 A5 J7 z4 o
- #include <sys/types.h>
, i8 d1 r0 n) t9 K! q4 O - #include <sys/stat.h> B4 S$ ^7 G0 Q6 ?! g: Y
- #include <sys/ioctl.h>
2 H% N" Q: N/ O, i( k6 S- ~9 Q - #include <stdio.h>
/ _/ u, V+ [) `) B/ [2 _ - #include <string.h>0 J3 T X. ^" J) B! ?" A- R
8 }! |. z. E- `6 B( O9 z$ y- typedef struct {" f2 G, W: _! Y* `5 q' C! g: K! C: I
- unsigned int e2prom_cmd_sub_addr;
+ B0 `0 p; ?* _/ p& K1 t/ x - unsigned int sub_addr_count;
: E _4 z8 \# l* Y - unsigned char* e2prom_cmd_data;" x& K" F5 @$ {2 h3 {5 ?4 C
- unsigned int data_count;
0 ^0 O* u3 i2 ?4 b" B4 b - } e2prom_s_cmd;
! j V; k7 Z; [! G( }! x - 4 F, Q* u! S$ |8 g2 f, Y+ i
- #define E2PROM_CMD_READ 1
' \0 X' k4 @+ }& h- R% J - #define E2PROM_CMD_WRITE 2& c. M" m4 \8 d4 `* C7 a
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16") h# E) H% m. u* A2 r5 J* @/ P
% m0 b& N8 w6 \3 J7 q0 ] Q- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret; }4 i5 ~+ p4 z7 a( B! ]& i+ v* E$ v
- e2prom_s_cmd arg;
% {. [5 e9 |; v! Z - unsigned char buf[0x18];/ t: P; m [ I4 r/ V
- ) h: E D v2 H& f
- fd = open(E2PROM_DEVICE, O_RDWR);
_* {- m( N2 H" y4 P l# S+ | - if (fd < 0) {
) w! l. P# B; u0 i - printf("Device %s open error.\n", E2PROM_DEVICE);
. i3 T7 r4 Y( C - return -1;$ W# P% V2 n6 H5 L0 G, G7 `
- }+ ?/ ?8 s; M$ x; Z4 A
- arg.sub_addr_count = 2;
; D9 ^0 F/ o- {, o2 @' o - arg.data_count = 0x18;. X7 Y6 Z% a" R1 B; V$ u0 r, ?
- arg.e2prom_cmd_sub_addr = 0x290;; ?1 g" [$ P7 V; P5 ^/ r
- arg.e2prom_cmd_data = buf;% r. @& T# k; u# [' q) A
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
6 U4 x3 n* n0 ^) |7 n* h9 c( A - if (ret != 0) {1 C- s1 u. F* v! s+ D
- printf("Device %s read error.\n", E2PROM_DEVICE);
8 J! M6 \* b j: u( a3 Q: f - return -1;
3 B2 x( g! n& c0 T# b - }
& e$ L, t' U$ W& T3 W - memcpy(mac, buf, 6);
/ K- K9 l) F: R, k2 s - memcpy(stbid, &buf[6], 18);' q/ `8 Z/ h. ^ t1 N1 D8 |3 Z
- stbid[18] = '\0';- f# M/ ~* ?, {0 n+ C" d
/ f! @# G4 p: J* `- return 0;
3 ^! \/ b3 Z: T4 r - }
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& U% ?; e$ U/ r- ~. \- static int writeparam(unsigned char *mac, unsigned char *stbid)5 a* S4 K' g9 L7 }0 }/ P' L5 N8 C: N
- {
1 q* J' x' ^' p* _: N - int fd, ret;
0 d R5 \: X, }0 U+ \ - e2prom_s_cmd arg;
% n8 y! _6 } l - unsigned char buf[0x18];3 T9 e1 S: Q" c7 l8 G
& _) g% H) V( ~3 M- memcpy(buf, mac, 6);& r. i- N6 I5 K& T9 u! }0 i9 T) u
- memcpy(&buf[6], stbid, 18);3 R" z! r' q0 Z. Q0 |9 A( Y
- fd = open(E2PROM_DEVICE, O_RDWR);4 {" P! D8 Y$ b, P: \9 L
- if (fd < 0) {
' P7 v# P p* D4 I U& W - printf("Device %s open error.\n", E2PROM_DEVICE);
. d8 T% h* X1 e c6 p - return -1;
& |" i- O! p3 ` - }
$ W# I0 H7 ]% F4 m4 H - arg.sub_addr_count = 2;, J q7 c" @; m. }! K8 X
- arg.data_count = 0x18;
5 h' _. c+ U, E% N+ G - arg.e2prom_cmd_sub_addr = 0x290;
' z5 K. l4 a/ z5 L: V' ~ - arg.e2prom_cmd_data = buf;
7 S* ~# F6 [' J" Q: h, e3 Y - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
8 |' o' w; H, B% c - if (ret != 0) {
/ e, Z- I1 ?- s! `4 A& v - printf("Device %s write error.\n", E2PROM_DEVICE);9 r9 c3 p5 D0 a0 i' L7 z0 l
- return -1;2 x; k; O3 _- x) R) W
- }8 d2 c: C1 \7 y' f4 x R. `* _
) b# G9 t1 z5 g3 B' a- return 0;" ^$ O% F. Z: @0 Q/ f# ]$ F3 k
- }
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- int main()
; k" P) _4 ^' g1 u) X - {
6 @! k+ ]/ D) k5 n - char c;5 }. w. i7 B o$ ]+ f0 x, @
- int i, macs[6];
; _" z& }5 O) m* O. U - unsigned char mac[6];
* J& A% u7 c: I& C# }5 I - unsigned char stbid[256];
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, _5 U+ g+ W) O$ \- [6 K- if (readparam(mac, stbid) < 0)
; r) a- E0 @: h1 R* F% f4 f1 D* ` - return 1;( w6 l. j6 Z0 X; {; l, u5 b7 m8 p6 y$ ]
, e+ V+ m: P( ? Y/ w3 k- printf("Current parameters: \n");
5 t. z- F q9 V - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
% k9 f0 E/ A& ?( Y - printf(" STBID: %s\n", stbid);1 p. c0 h. X" h' L: f) w5 |
-
) f0 W9 z) u7 m! W" l: r - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
& ^. i3 N# Q* h" z l - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {1 S% p, C: U. O$ J
- printf("Input MAC error\n");
' q9 S* @9 e: A( S1 h' M; q( e6 j7 z - return 1;7 p+ H1 L6 p1 X# _, N7 z
- }
" M' l$ `$ g1 w$ x& D - for (i=0; i<6; i++)mac[i] = macs[i];0 k! f; f: G1 n1 E# N/ M# Q
- printf("\nPlease input new STBID: ");
3 m6 ?3 [8 [& c: j - scanf("%s", stbid);7 ], |, I, G h" U7 E
- if (strlen(stbid) != 18) {( |* Q* {) E& v( p/ [1 ~
- printf("Invalid stbid\n");
1 H) {5 {5 p- ` - return 1;
" U& y' c" V6 C& l9 y. z - } D9 k3 m# a' x" U$ v& f. `0 N, k# d
- printf("\nNew parameters: \n");
3 x9 e5 V3 S: V$ `' p* l - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);3 V1 N- S4 q/ B d9 h2 e
- printf(" STBID: %s\n", stbid);& g, ^8 r) V1 b: y9 j# Q* x" a
- 5 U% f/ q9 T& E# x9 v) t
- printf("\nDo you want to change paramemters? (y/N) ");7 O7 g! c \- f2 Y; I8 f
- for (;;) {1 B$ S+ H( u5 J2 j. l0 J2 n
- c = getchar();
. z5 `/ C. r& p1 z - if (c == 'y' || c == 'Y')/ V7 f1 k N* x/ N; p
- break;
- M: f7 X' k9 O4 O1 ?, w - if (c == 'n' || c == 'N') {
6 r4 L4 P- g1 T8 d- d - printf("\nAborted.\n");
: \1 A: [0 M, q Q - return 1;
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- }
* N2 w9 C$ c1 q1 \5 a" K& `5 R! j8 s - if (writeparam(mac, stbid) == 0) ) w9 {. Q+ E. n: _7 E$ \5 n
- printf("Parameters changed.\n");+ U+ g ~: R1 F
0 N5 l3 l: O, m4 q4 ~1 ]; A- return 0;# r* l( D- d+ p0 E" x- x* e- J
- }
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