本帖最后由 0522 于 2012-3-21 23:04 编辑
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修改的代码早有了。到今天不会编译。
0 A4 N; q6 m0 V$ M& t% e2 d需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>3 @- ~6 Q! C' T2 U1 Q8 c" x x) s* ^
- #include <malloc.h>
7 a6 h4 j" n+ P' f5 j2 I - #include <sys/types.h>, ?7 L, V2 f( h; Q
- #include <sys/stat.h>8 m. k5 y; `0 ]8 V0 n2 @0 |7 i% h
- #include <sys/ioctl.h>$ X e) ^, R- t- q
- #include <stdio.h>
]0 t$ @, \& R6 k+ i, F8 t0 ] - #include <string.h>
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4 Y$ k& \4 f6 d6 m8 m8 n2 i9 I# ^- typedef struct {8 T9 r$ c9 s% ~
- unsigned int e2prom_cmd_sub_addr;6 N( m" f, ^; a3 [* o5 G7 i5 B
- unsigned int sub_addr_count;
- H5 u( P( b0 j7 e' f! ^ - unsigned char* e2prom_cmd_data;
" N8 p" Y8 V+ |2 l: J" G: B. H# o - unsigned int data_count;
# h" m$ R: w7 ?9 ?8 {" x$ Y - } e2prom_s_cmd;( p" g4 q2 W0 a- t/ H
* l9 V+ M4 k, ^- #define E2PROM_CMD_READ 1; [. [ j/ C' }2 r# {
- #define E2PROM_CMD_WRITE 2
! v: k5 f% {! c' ?$ l3 {6 b - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"" o( r+ v5 A3 N
) a' n8 G- W, A: I8 n- static int readparam(unsigned char *mac, unsigned char *stbid)& K+ s, d5 Q" i" K h# A; E# ~" m
- {
/ ?( L4 d3 ?" }+ w# | - int fd, ret;% p8 v6 y: m; B1 d: x
- e2prom_s_cmd arg;
4 V) s# L: i# f9 L) ^- o+ Z( R - unsigned char buf[0x18];
5 Q# k0 X7 F1 _2 F
# Y) U5 S1 g0 T( O# n3 m- fd = open(E2PROM_DEVICE, O_RDWR);
* |6 ]. F4 D3 x6 O* C - if (fd < 0) {2 b$ s7 v# F% S" J. n8 ]
- printf("Device %s open error.\n", E2PROM_DEVICE);
# V5 L. T- a0 G% f, M" m- ]# J - return -1;
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- arg.sub_addr_count = 2;% H; D: ?+ ~# j7 F$ J0 ]
- arg.data_count = 0x18;
4 A% ]4 p; q f' L. f - arg.e2prom_cmd_sub_addr = 0x290;9 t5 q, F6 e6 }7 E3 C) s# I
- arg.e2prom_cmd_data = buf;
2 m. j; R6 a! f - ret = ioctl(fd, E2PROM_CMD_READ, &arg);' t) P( q3 C; p1 ]
- if (ret != 0) {
% |0 O& x9 A+ M( Q3 Z - printf("Device %s read error.\n", E2PROM_DEVICE);2 d4 |+ x' h9 y. U
- return -1;
. d" f* M; ^; D7 r) ?: ]. |$ o - }
`) W; y O; l! ~ - memcpy(mac, buf, 6);/ _" k+ Z; S$ w' _; Q* A$ U: ~4 y
- memcpy(stbid, &buf[6], 18);
; W1 |/ E6 c n4 T' g9 ^ - stbid[18] = '\0';
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# b: `2 i1 m! t( _- return 0;
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/ E# O- k5 m( G4 Z! v7 B+ y6 s- static int writeparam(unsigned char *mac, unsigned char *stbid)7 V2 E9 ]: g6 c4 R
- {( v1 i- l( V {: F* `; q5 Q. E
- int fd, ret;
# ?3 \9 w8 X( d) Y - e2prom_s_cmd arg;' j$ f. q5 j: P# X$ J
- unsigned char buf[0x18];
0 @+ n) I5 v* O7 L$ M3 e - $ n+ ^6 i' M7 f8 y! g: i# e
- memcpy(buf, mac, 6);5 Y2 \- ~+ x7 x' L: o
- memcpy(&buf[6], stbid, 18);/ A. q- W W/ A9 ]
- fd = open(E2PROM_DEVICE, O_RDWR);
! V- P) }* m( V. l# G5 r - if (fd < 0) {
- w, m8 \* I5 {# h# _! w - printf("Device %s open error.\n", E2PROM_DEVICE);
, L0 q0 x5 O* |( W4 T8 t; L - return -1;
/ p4 u' Z* }/ m6 }0 Z3 U - }
( _3 }* O8 W7 ^9 U. U - arg.sub_addr_count = 2;+ [! I, u1 k2 G* B/ q( [8 }
- arg.data_count = 0x18;
$ Y6 K- s7 B; I - arg.e2prom_cmd_sub_addr = 0x290;
1 T: [/ s2 k) z! q9 F9 C - arg.e2prom_cmd_data = buf;3 v% t8 K5 ^. {/ R2 k9 d! D. k
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
8 G4 W* F+ x+ }! `/ z8 j - if (ret != 0) {0 j8 Z8 b4 P. S) x/ R$ }) f$ N
- printf("Device %s write error.\n", E2PROM_DEVICE);
2 f& D$ I' N5 s - return -1;
5 U8 I- I! j) l9 [- R - }5 w6 P8 i4 ^2 N# m+ s& C/ \. |/ A
$ n3 I4 t; {/ S3 A) j7 K" i( |( ?- return 0;9 [2 V2 Q) w' z8 n; S
- }
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- int main()
9 \/ H$ C5 @" o$ j( f* T/ Y - {9 ^+ @5 `5 r6 f) D: ` C2 c
- char c;/ i& u- X# j/ q# D- w9 ^- U! V% D* E
- int i, macs[6];
4 K, ^% e+ u/ w' Z/ a) {% P - unsigned char mac[6];& \( J$ Q" w, e0 R# b. K- X
- unsigned char stbid[256];
& M- I0 A$ `* G9 o% O# u. k5 ]
F# T+ P. o3 A; P c6 I5 M- if (readparam(mac, stbid) < 0)
* {8 C% o. _$ W+ r6 o+ y - return 1;
7 H: { e4 _) I+ f* C' b& p8 }
v6 a2 m; k1 c; F; q* j7 m- printf("Current parameters: \n");% O! M* d* {1 r
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
- Z8 U0 q7 k" H+ g* T - printf(" STBID: %s\n", stbid);( o" v6 ~+ K; q+ w# i. X. }/ u3 t$ X
-
( y& n8 n9 ]8 I/ s* c5 {- [* y - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): "); Y' \! `3 R" c, x/ k
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {. W6 p6 @8 a0 N4 z9 f
- printf("Input MAC error\n");7 C' e5 r7 Q1 s6 }0 l& d5 f
- return 1;8 _$ M# k9 J% m) g- m* z
- }
X) `0 S1 Y: r x# I1 [8 ` - for (i=0; i<6; i++)mac[i] = macs[i];) a d3 C# z( i! _0 o6 h4 m
- printf("\nPlease input new STBID: ");
: R7 r" z/ S+ P; g Z/ \ - scanf("%s", stbid);
& j6 M2 Y' M A7 z& Z# l c' H4 u - if (strlen(stbid) != 18) {$ n* j5 J& X4 B d. ?
- printf("Invalid stbid\n");
4 o" h5 V1 p% t8 r - return 1;
6 U8 P. B2 W6 n, r J - }9 E6 {0 U* p0 h$ J2 a. D- H
- printf("\nNew parameters: \n");
) z! D- g) x( h& i - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);& X% C( k0 s) x+ n) T7 [% W
- printf(" STBID: %s\n", stbid);- [5 h) s0 q1 @" U8 |( o
- 0 @4 U. C5 x: z _8 ~+ G3 c( k
- printf("\nDo you want to change paramemters? (y/N) ");
0 b0 U9 R' O7 c2 v0 i/ D - for (;;) {! }9 j9 ^! O9 V$ b1 f
- c = getchar();
; Z& m5 d8 h& T# Y" g- W# C - if (c == 'y' || c == 'Y')
6 q/ m: t- t9 i K; ^1 Q+ f - break;" O' u+ p8 W$ y0 B8 K% m$ \* g
- if (c == 'n' || c == 'N') {7 D4 m+ r8 T2 G* J1 o; V8 M: F* m
- printf("\nAborted.\n");7 P' y! `# M3 ^* p; z
- return 1;) k8 }, l, J1 R8 Y1 M, a# G
- }
( d- @( D8 u6 t9 h! v7 }0 K - }
! S3 d4 g. ~1 G3 O - if (writeparam(mac, stbid) == 0)
9 H+ l* n8 H/ z: Q; i% g/ u" x- e* t - printf("Parameters changed.\n");
+ r' t) q- w+ j( z/ M5 B
0 U8 m. C0 p" o3 j7 _- return 0;" S5 M% i" b9 P* R8 G
- }
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