本帖最后由 0522 于 2012-3-21 23:04 编辑
: l, I0 S3 V. N! R5 m; M: t$ e$ l2 U( w. g
修改的代码早有了。到今天不会编译。
$ M# C& Q8 E- {" q5 ]需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>' V& s9 U5 l# s& s1 |, R8 N/ n! H
- #include <malloc.h>! j8 D' X' |) h3 h5 Z0 b
- #include <sys/types.h>
9 [' Z" w9 S' C" h6 e8 [, ? - #include <sys/stat.h>
- o% [$ [6 x$ x6 x \ - #include <sys/ioctl.h>" }+ c! E0 ^8 V8 K. Z' |
- #include <stdio.h>( |5 W- N! ?+ V2 u+ t
- #include <string.h>
. p2 r9 y* S! }' V, ^. }/ ^
\8 o* b, D# C) {1 I- typedef struct {
* @4 h7 r0 C- l' y1 T* N - unsigned int e2prom_cmd_sub_addr;- Z$ \ {5 Q/ W6 {8 |- f: e4 `
- unsigned int sub_addr_count;
" g, X7 u9 x% Z2 l( D+ P8 U - unsigned char* e2prom_cmd_data;1 }) f* u8 [2 k/ h7 Q) }3 |
- unsigned int data_count;
1 L9 g. e7 M5 z( Z8 r3 O, J - } e2prom_s_cmd;
; M X+ g+ R' S6 M
! o. |; U1 {# e7 m4 X! a. [- #define E2PROM_CMD_READ 16 r. E2 W. q8 U: ?$ w: Y
- #define E2PROM_CMD_WRITE 2
3 G; }$ E/ K* A8 f. P - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"( z# O- i# f( w. W0 h
- 9 T7 o& d! W4 _. @& N% V/ y: w
- static int readparam(unsigned char *mac, unsigned char *stbid)
- i" Q0 f; u! v; ]. K2 ?& e - {. F* `% z5 j% Q
- int fd, ret;9 T% S6 y0 R- g
- e2prom_s_cmd arg;
+ t6 ^- y/ ?( T9 U: t# f - unsigned char buf[0x18];- ~: B9 |$ o" P# G6 F; m
- " }5 Z$ I6 G b9 l% o* W
- fd = open(E2PROM_DEVICE, O_RDWR);: g3 Q* {8 |1 i
- if (fd < 0) {
# F$ Y) b$ N/ ^5 W3 @3 y - printf("Device %s open error.\n", E2PROM_DEVICE);
- F6 [( |6 l5 w - return -1;) |7 N9 V+ @) ^9 R( b
- }
$ I6 D# f9 W o5 F' C* ?( }! x - arg.sub_addr_count = 2;" e8 ]% Q6 I. O1 A
- arg.data_count = 0x18;7 ~2 ]. N8 h4 l. k: B
- arg.e2prom_cmd_sub_addr = 0x290;$ b3 Q. _3 v# |
- arg.e2prom_cmd_data = buf;% W% m0 I* P" T Z; A
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);! w: @* b+ W" F9 a1 X
- if (ret != 0) {
5 K7 H! R/ |7 \0 Y - printf("Device %s read error.\n", E2PROM_DEVICE);
# X0 j! g9 k8 i - return -1;5 v% J- m5 a4 S. r
- }/ A7 a* c- C* j: |6 ^8 C
- memcpy(mac, buf, 6);
8 P/ |3 a" y: c" s, G; I - memcpy(stbid, &buf[6], 18);
0 C/ s/ m5 C+ k' U' z8 _ - stbid[18] = '\0';
2 |+ Z+ H7 a$ c3 ? - 8 T/ ?; A" U' J- d! U
- return 0;' ?6 t- q2 j3 s q, w; h' Q
- }
0 } L; s& Y/ t. _) V - ! L2 J Y- ^6 G9 M- j L
- static int writeparam(unsigned char *mac, unsigned char *stbid)/ u/ r# {* L# X: m, p$ t
- {
7 X" Q' \3 S9 X0 Z - int fd, ret;5 d# K1 \1 A- f# \) `
- e2prom_s_cmd arg;' h: ^; G4 {: {6 D
- unsigned char buf[0x18];4 k( p u- u9 `7 N8 j O
- 4 x2 I& j( w G( C' M9 o8 b
- memcpy(buf, mac, 6);
% e. o4 O. L, \9 | \& h( l, @: v - memcpy(&buf[6], stbid, 18);+ d7 z, G( n) h' y7 m% N
- fd = open(E2PROM_DEVICE, O_RDWR);) O9 I, ]6 f2 f
- if (fd < 0) {0 \4 Y0 c( r# n1 ?' y
- printf("Device %s open error.\n", E2PROM_DEVICE);$ B. n$ ?) T/ c" ?% a7 |. m
- return -1;
3 b0 M, t( n) g4 K: w - } d# k% {8 w* I" X
- arg.sub_addr_count = 2;( y, }1 a' F. C2 d1 ~1 e4 b
- arg.data_count = 0x18;
" X* h2 y: o4 u1 ^2 s - arg.e2prom_cmd_sub_addr = 0x290;" S G+ h8 d- C& U. o1 W. H2 i5 v
- arg.e2prom_cmd_data = buf;
" V5 A) i$ @9 ^ ?' @ - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
" j+ N5 u$ f% f. a0 S$ P! i4 O! z1 A - if (ret != 0) {# K' w$ O7 m* J0 }7 W: r+ O; \
- printf("Device %s write error.\n", E2PROM_DEVICE);0 I. b/ @5 E: u$ f2 @4 b/ }
- return -1;
. ^7 w- I; m" f - }
6 M6 e/ _6 e) u: H7 H+ k3 r6 ?
4 C+ K, u& V8 w- return 0;
, d6 l5 n; G) _' x) V" Q( n - }
0 N' D2 W( ]. T ?
5 [! o( p) n& k7 d9 a- int main()! h3 [) L* Z$ f. u$ E
- { e5 J2 [8 `" \: Z
- char c;4 B' ?- O q/ m
- int i, macs[6];4 L. q d* l- R: L+ A
- unsigned char mac[6];
! N( r% R. @) m) k m - unsigned char stbid[256];2 q) |+ F8 [5 y, @% U
7 {; q5 E, d! b+ a, w8 A- if (readparam(mac, stbid) < 0)4 f v0 p$ {4 x: S3 d& W) {5 T
- return 1;
2 E" F4 z# p! q- r: J( y! y - / Y+ K/ `1 W' X& ?5 g
- printf("Current parameters: \n");6 X( u8 a* ?, _& \6 O
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
; Z7 w0 J, I1 f5 T/ { - printf(" STBID: %s\n", stbid);" |6 O0 l# G, q3 }! Y
- 9 m# K( _* a! i' O& V" w
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");& c" M7 q# p& s ~0 P4 [
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
, w3 k a$ U h" y! ^4 E) m8 n; R - printf("Input MAC error\n");( {0 [& U2 }3 {+ O9 K1 Y% u" X
- return 1;
0 j# O% r" L X/ z3 ^ - }
& \0 o# ^ K8 Z2 L" x: u - for (i=0; i<6; i++)mac[i] = macs[i];9 G1 u% y# c% C( ?1 u d
- printf("\nPlease input new STBID: ");
7 Q, r+ |# G, H- L9 P: m - scanf("%s", stbid);
9 Z# U1 l1 v+ Y; D - if (strlen(stbid) != 18) {" f. @: o; v) F/ |6 K- v
- printf("Invalid stbid\n");
) v; s& I5 [% }9 {. Y - return 1;
" \% A0 ]9 F0 l3 w } - }
% {, W) ]) n6 i - printf("\nNew parameters: \n");
" O- G3 F# Z8 s; V& L - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
' |: y" {0 f t8 A; H% X: T$ f - printf(" STBID: %s\n", stbid);
- L1 d6 I. T. _ v+ N& T2 R) g. P - * Y) N1 z/ I& d$ M
- printf("\nDo you want to change paramemters? (y/N) ");( y: `$ x1 t0 ?( G2 N$ E
- for (;;) {
1 Z) v5 s2 V3 J" g - c = getchar();
4 t. C& w9 z5 }/ s* d l! h - if (c == 'y' || c == 'Y')
* F4 |( p4 f l" c - break;' p/ j) e n1 @, u- t& Z0 Z6 K
- if (c == 'n' || c == 'N') {( v, n6 [7 k% X4 k1 J0 ]
- printf("\nAborted.\n");$ z8 \7 f% _# M G% U# R) |1 N6 o
- return 1;
2 Q1 b" I& C3 p" a9 D1 p- X6 l' G+ u - }
+ m; n7 z. g1 ^6 f6 s" s7 \ - }) B/ P( m$ n/ V% |0 x2 j
- if (writeparam(mac, stbid) == 0)
7 |! D* t6 G$ ?9 J% T5 v# ~0 M - printf("Parameters changed.\n");- [! z! Q1 B6 x5 p! ?& ~$ W- M0 z
- 6 M+ u1 X7 }. Y2 v; o; F
- return 0;
7 g; \, g0 `/ u) u/ @# ?0 i - }
复制代码 |