本帖最后由 0522 于 2012-3-21 23:04 编辑 + H) r- ~& b, D8 w0 O
8 r! j: I/ k) n/ R+ c8 e5 W修改的代码早有了。到今天不会编译。
9 i, i4 j0 m$ r" a* O2 `) c6 ]9 U需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
4 B) f6 J" z3 @* A2 F - #include <malloc.h>4 j, k6 t# T4 p! h& G2 k8 U
- #include <sys/types.h>
) B) V; g: s8 {4 A" |0 A - #include <sys/stat.h>. \- u/ F) F7 A9 P' K# t
- #include <sys/ioctl.h>
1 M, Y0 e" C* |5 k - #include <stdio.h>
7 N0 o! W% v; O/ S - #include <string.h>4 F1 I% H# Y8 V8 g8 i3 V3 F
2 E+ H J) o" z5 C m- typedef struct {
+ K$ w2 K# H3 p7 J - unsigned int e2prom_cmd_sub_addr;
/ y* c7 j/ s# b; _ D - unsigned int sub_addr_count;
7 S, N# q/ O1 l9 g) E) U - unsigned char* e2prom_cmd_data;' y" d& q" |# q0 s3 i( K' t
- unsigned int data_count;- g! M! n8 P; [2 g5 Q
- } e2prom_s_cmd;
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* R4 c6 O+ I* w7 q- e& p) i- #define E2PROM_CMD_READ 18 S1 M) A1 Z1 `! g
- #define E2PROM_CMD_WRITE 20 _' j1 u6 ^/ Z2 p; C* b. ^# m1 G( x
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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% O+ m) o2 l5 ?- ]) o2 M* ]- static int readparam(unsigned char *mac, unsigned char *stbid); T7 Q# Q3 S) V3 M& K6 k
- {
. l) t2 w5 U, \8 ]( ~ - int fd, ret;
+ ? U0 H' G5 {+ Q) K - e2prom_s_cmd arg;
0 y0 ?3 }* C: y; }7 z6 i& E - unsigned char buf[0x18];, l& R# h7 A$ J: F8 M3 a. s
% D3 L L# u. |( T# ^- fd = open(E2PROM_DEVICE, O_RDWR);" v8 K8 N; d- n8 f3 J+ o, E- l( }
- if (fd < 0) {
3 g) g0 B6 i$ Z, _; N0 _& C" l, y - printf("Device %s open error.\n", E2PROM_DEVICE);
7 O; N/ H! t7 e: G3 u5 m' T. \* S- q - return -1;' g0 \( f0 X5 b* h# v8 ]
- }
. \% X3 Q5 S, [* Q* j3 p - arg.sub_addr_count = 2;) I$ k# @; h' l5 R- @# G& s
- arg.data_count = 0x18;
+ C/ P. t% K- B: v$ \( w, ?! k% x - arg.e2prom_cmd_sub_addr = 0x290;; N% R# z2 G1 Y" x4 G7 P
- arg.e2prom_cmd_data = buf;) T9 h3 X* w6 W- }1 W
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);3 V4 Z3 k+ P1 U0 I0 q4 c" d
- if (ret != 0) {% y+ `7 Z9 Z4 \' n) n+ U F! S
- printf("Device %s read error.\n", E2PROM_DEVICE);
6 K( h, h. \3 ? - return -1;
; s1 X, n5 ~; d& F - }
8 {( c; m8 V1 ~9 J - memcpy(mac, buf, 6);
' N9 u7 x5 s- z$ {% c$ h - memcpy(stbid, &buf[6], 18);2 E7 a4 A3 k% `0 Q
- stbid[18] = '\0';
z1 s) f& A" y; Q
8 Y/ a0 ]! v+ I( }2 _+ W0 U" F- return 0;
$ F% O+ M& I0 X% o6 B - }$ y; z) H8 d% W9 o5 m0 {
1 C1 y$ K: L# D1 [- static int writeparam(unsigned char *mac, unsigned char *stbid)
+ F5 M9 N4 n* w2 V: O- i - {
* L4 [4 c0 \8 ]& v) L - int fd, ret;( e3 u; w$ F, m. u, Z$ ~6 L: ^
- e2prom_s_cmd arg;
/ \) b" l* Y9 T2 e' ?& m& L: v* p$ T - unsigned char buf[0x18];
3 G+ T% ^ U+ X$ t& \ - 1 F# h0 r- b7 G( C0 S$ D6 s6 H' ^
- memcpy(buf, mac, 6);
9 O9 a# I1 ], g* s( p - memcpy(&buf[6], stbid, 18);
& F& U; w/ F: d+ c6 ]# h - fd = open(E2PROM_DEVICE, O_RDWR);( ]( [0 @- M6 s2 }+ _" ], M) j
- if (fd < 0) {
: ^* ?, e/ X0 Z6 d - printf("Device %s open error.\n", E2PROM_DEVICE);' X, I, Q7 k- j" U
- return -1;0 _2 Q9 N4 Z+ ^0 n0 m$ w J; e4 l% x
- }1 T5 e' w: e+ x s) h) p
- arg.sub_addr_count = 2;
n+ j" r5 H2 ?# B5 g! q - arg.data_count = 0x18;( Z- M, n! b- _* v4 Z- j
- arg.e2prom_cmd_sub_addr = 0x290;
+ e; }4 x4 \' X0 E D/ l - arg.e2prom_cmd_data = buf;/ t k, R! r& u# d6 V
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
) J# [1 x# z1 j/ E3 r* P1 O - if (ret != 0) {
) P: f8 |7 q. l - printf("Device %s write error.\n", E2PROM_DEVICE);
A+ u3 [5 W+ t' e) S! J - return -1;3 \/ h$ a/ B/ T) M
- }
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- return 0;
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- + T7 c5 R/ j: o
- int main()
2 g! A* p2 T! q+ ?* {4 ?, q - {
- o# q+ f* q2 V5 W9 S - char c;5 v# g' y% `- ~/ K
- int i, macs[6];
* R5 }" ~$ w' z+ h( o) L - unsigned char mac[6];) m3 G' {* n, G( g5 _7 z
- unsigned char stbid[256];% Y: ]8 x3 ^/ T- q/ k) Q
S* ]9 B, f/ ?; ~% S$ T) A- if (readparam(mac, stbid) < 0)9 }: Z9 z6 j) U8 \0 Z4 G
- return 1;
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% Y" D3 q+ |, C, w; i8 x7 [; W) f# C- printf("Current parameters: \n");
3 ^+ ^" v2 ]2 g* z - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);0 t' F r" q" z; e. f* K
- printf(" STBID: %s\n", stbid);2 K$ {1 c( h# F5 f* j, q
- 5 U: ]' m2 T, H$ a9 O8 s7 \
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");0 r& x$ \- X+ i7 ^. Z3 A; t
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {" y, _: R9 o- A% Y9 L: H( e
- printf("Input MAC error\n");0 z9 M. |. R, z! M! A9 z
- return 1;
% A! t+ r/ |* A0 ]; ^, b/ z - }& w9 r* }+ L: }4 C- k/ I
- for (i=0; i<6; i++)mac[i] = macs[i];
6 m5 a, z6 l8 C3 d/ C1 {& X - printf("\nPlease input new STBID: ");% T" a; {* G; A7 F1 j7 [
- scanf("%s", stbid); P# Y7 l% Z: K# X* {
- if (strlen(stbid) != 18) {5 r/ g) o3 B8 h/ z- N) O$ D
- printf("Invalid stbid\n");
V# K, p& B/ I6 x$ P - return 1;
# O2 m5 Y9 @( E7 C g9 v - }6 B! c1 m, P. U
- printf("\nNew parameters: \n");6 C6 ^9 ]" Z) v4 w8 |$ y: M: c$ g
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);( g: H5 Z0 k6 `$ D6 b0 k: {
- printf(" STBID: %s\n", stbid);
' S+ {, T7 M U3 c/ S" J9 X7 u% a% X - , y5 v- T( @! d9 v' u$ d( w& c4 l
- printf("\nDo you want to change paramemters? (y/N) ");, V7 ~) Z2 X9 @* p& `' F
- for (;;) {
4 I) M% O1 t, n9 N$ C. p - c = getchar();& P3 k% W4 a! O0 `) j, Y- | t0 T+ J
- if (c == 'y' || c == 'Y'); M/ Z+ _! S) k. B
- break;/ `5 Q3 H% o% I3 M6 r
- if (c == 'n' || c == 'N') {
- n8 \+ y' @8 T - printf("\nAborted.\n");# P) i7 E1 Z4 L8 o0 X$ b
- return 1;
7 q r$ x ^. G; Z3 O - }
' w- |! |8 X0 Q H7 v/ J& p2 e - }
% s0 z( L5 V( r3 x! m - if (writeparam(mac, stbid) == 0)
0 [1 o: ^% [! ]) {% r! w7 | - printf("Parameters changed.\n");
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- return 0;5 z* h* c5 y0 ~% R+ j- ^! s+ O- t
- }
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