本帖最后由 0522 于 2012-3-21 23:04 编辑 , _ ], W" y6 j2 m% ^2 K! f
1 |( J) E' w+ r: w修改的代码早有了。到今天不会编译。
2 G1 b0 p5 b4 E) g. \- m: y8 @需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>; u5 \3 r6 _; S0 P, m9 g
- #include <malloc.h>9 h) f b+ q/ n2 D4 @: {( E
- #include <sys/types.h>
% v6 J0 A# [% X4 j0 l* I! F b - #include <sys/stat.h>
3 l' z1 z; R# R3 L$ Q* r - #include <sys/ioctl.h>+ K w# H6 N. G$ D0 p5 K" E
- #include <stdio.h>4 H+ U' z) {0 Z: W; j, I
- #include <string.h>! Z+ E+ I9 V$ @0 z2 p+ J$ s, W: u
- Y! G0 w8 r* A
- typedef struct {
* q' v2 a) t1 a# X, @" n1 f - unsigned int e2prom_cmd_sub_addr;- r( m# H9 j; R
- unsigned int sub_addr_count;
/ x8 D# B3 ?( u; j" Z. y2 R8 U, l - unsigned char* e2prom_cmd_data;! R& [: z- ^* n, \
- unsigned int data_count;
. r7 s* z+ n: ?2 ^# r+ _8 {- J - } e2prom_s_cmd;
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5 J2 |. o; X, M- #define E2PROM_CMD_READ 1
4 E" m/ u. Z/ a& ]1 I( m - #define E2PROM_CMD_WRITE 2/ S/ Z' a7 p2 I) [
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"# @( D6 I/ y1 c' \, ^
- " l0 ]# q, O: \8 E+ ^+ `( m
- static int readparam(unsigned char *mac, unsigned char *stbid)9 C3 d5 C, _8 L [' Q
- {% l2 F$ j6 W+ M1 ]- h: E5 b- Y
- int fd, ret;+ x! p; g) b. m
- e2prom_s_cmd arg;
0 H* B) @0 C4 d5 h - unsigned char buf[0x18];7 F0 W) |# l) L; E M' K
- 2 x" w" {( S5 [* c* {" s
- fd = open(E2PROM_DEVICE, O_RDWR);
% E' n$ Q7 g# y w+ R3 `# ] - if (fd < 0) {, L- k( ]' v1 n& u) s
- printf("Device %s open error.\n", E2PROM_DEVICE);# v( r- c" q, Q, K" u; r: y
- return -1;9 L1 O6 Z9 f4 ?: J; L& H: c
- }
3 r& T: C: p8 y V- ~ - arg.sub_addr_count = 2;9 v6 F, o/ r9 C& I9 A$ {/ c8 }
- arg.data_count = 0x18;4 l8 o( X) W3 B7 x
- arg.e2prom_cmd_sub_addr = 0x290;
( x; |9 E9 {4 c5 B& }% g - arg.e2prom_cmd_data = buf;
+ q7 o! v6 X; H! t" Q9 A - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
4 g5 W: `5 z5 j* H5 z - if (ret != 0) {
: ^4 O$ ~6 ?# G/ _ - printf("Device %s read error.\n", E2PROM_DEVICE);
- v# \8 U* C& g/ [9 ^+ N - return -1;; n) [, A8 E& u) L, h9 D6 ^
- }5 S9 c9 C S4 f& q" G
- memcpy(mac, buf, 6);
$ d& [8 V! ?( i - memcpy(stbid, &buf[6], 18);
; y2 X. ?, F ^" z2 ]6 g4 r. K - stbid[18] = '\0';
# ^0 }7 o/ n# Y - % Q( E, ?2 y V3 {
- return 0;
6 f8 T: D% O. p/ |+ O - }
0 x6 [# r/ [ \. o6 i. @. M0 A1 \ - ' Y/ R9 C7 H- ^9 T9 K# K* X M) M
- static int writeparam(unsigned char *mac, unsigned char *stbid)
1 A! A9 r) e$ H+ z( W/ C" H - {
, y* }+ j# y. c( x3 }* E, H - int fd, ret;
1 X( N/ H0 Y1 s. d - e2prom_s_cmd arg;
C' j+ w; ?1 I* v9 j! S, t( F3 U# g0 t - unsigned char buf[0x18];- r, {2 _2 a4 Y: u1 Y8 y% t. m
; [4 I4 B; n- V- memcpy(buf, mac, 6);
% H* u, {2 ?/ m' q - memcpy(&buf[6], stbid, 18);
) y/ F) a) k% ~ - fd = open(E2PROM_DEVICE, O_RDWR);
/ h9 J# E3 W- J& f" H - if (fd < 0) {& P9 T1 o5 t- m% X& v: r+ z' q
- printf("Device %s open error.\n", E2PROM_DEVICE);8 l* X# Z0 J9 U$ C0 X9 D5 Z
- return -1;$ O3 j g3 B5 \8 X- T& M
- } J2 M+ |" I1 H& c2 `# y
- arg.sub_addr_count = 2;
' q$ ~" ]# u) Y5 Z - arg.data_count = 0x18;
( o, v* f, L! V' s% m- v' w) j - arg.e2prom_cmd_sub_addr = 0x290;
( t: ^$ G* ]1 `# C0 t9 W - arg.e2prom_cmd_data = buf;# e4 x& [. x& ^% {1 \
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
, ]: `* o$ d- \4 {1 [6 s& S/ N7 _% r: s - if (ret != 0) {5 t2 O/ Y3 x+ V. t1 y1 M
- printf("Device %s write error.\n", E2PROM_DEVICE);- H& s: e: T/ z% Y4 G; c
- return -1;
$ G* z. F( _- F: B1 C - }
0 P! M R2 e# E/ b |2 K1 i6 E
* |1 _1 Y; n( X9 C- return 0;
9 t' Y9 w; o3 Y# ]" s! D6 l( i - }
! I# Q# e$ h6 W" Y
5 x1 K& S0 q- f- int main()
) p; e! I% J$ C- Y - {
3 G4 Q# M" p$ A! ?8 p) F - char c;
/ l6 |/ D* L0 T* T \* {& x - int i, macs[6];" j R+ o0 \/ [/ l! j
- unsigned char mac[6];
. o' `8 N6 t+ m/ u* i# U - unsigned char stbid[256];/ S8 f6 Z3 z" u* Z
- # O% h+ N; j3 \) B9 W5 j9 f
- if (readparam(mac, stbid) < 0); V, Q! @& @7 R& f7 M0 f; u* Y+ U
- return 1;0 @ h2 P4 N- Q* A2 P& ]
8 V* U9 S* H- B: m2 _7 z P- printf("Current parameters: \n");
3 G$ E! }! @6 s6 Y - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);/ Q- |7 Y3 |1 j. O# P ]. z
- printf(" STBID: %s\n", stbid);
; n. M+ d4 ?/ {$ {4 O+ a) [! X4 @ - - i, \1 B& f- a$ u" X$ F
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");# T( L7 e$ j" `
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {7 e I& @- R& _+ X/ p9 @: V
- printf("Input MAC error\n");+ t. ~4 K1 T2 y. F( i5 t
- return 1;
5 z- e% W/ E/ `$ V Z% _ - }7 r1 j$ Y. G, L* Q; U
- for (i=0; i<6; i++)mac[i] = macs[i];
/ _) D0 K+ H! T* }- o - printf("\nPlease input new STBID: ");
7 A* \9 l# h/ k5 F5 [7 U& f - scanf("%s", stbid);
: f" v+ C# \: P( a0 J% l - if (strlen(stbid) != 18) {2 s2 K4 E8 l4 c! E% T
- printf("Invalid stbid\n");
M1 S/ R. ]0 n. ? - return 1;2 ?: ]2 e( q& ?4 K* c
- }
2 @( C7 n5 y" E; y - printf("\nNew parameters: \n");- T9 H% y, ]% G
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);. n4 S: k$ t8 T8 }$ x3 `* o
- printf(" STBID: %s\n", stbid);+ }9 ^4 `! L3 X
! G5 K. ~" H4 N+ z5 b0 F" X' n' E- printf("\nDo you want to change paramemters? (y/N) ");
; N+ j9 \$ s9 U% y2 P - for (;;) {
, Z5 y" U/ r" x& v' ^' _8 O - c = getchar();
. Y7 v; C1 S' a; j/ r. |! r - if (c == 'y' || c == 'Y')( `; J, ?" O" G+ b" c
- break;
% i/ E$ @* L9 f- S( ? - if (c == 'n' || c == 'N') {& a1 X1 n- R1 J- Q5 s; e8 ^6 A
- printf("\nAborted.\n");
' q& E! i7 i+ ]& Z8 u& U - return 1;2 j, `+ E5 j' I5 s9 o+ ?- f
- }7 s' v$ @+ b8 D, v' Q+ i2 a5 E$ v
- }! M6 w: m8 c) {" b9 G
- if (writeparam(mac, stbid) == 0) 3 V. Y/ g9 t% Y, w
- printf("Parameters changed.\n");
/ J' M% _2 n, s7 q' v1 z7 a
) o& K/ l9 n: S0 x3 |" E- return 0;" L4 G" [4 B4 O( S) _% m$ Q
- }
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