本帖最后由 0522 于 2012-3-21 23:04 编辑 4 N9 |, a. J' {% p0 D' k
' n+ F/ g5 I c9 |/ v; k修改的代码早有了。到今天不会编译。' S! L7 y( l4 o) t$ J/ X9 D2 I
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>5 e4 t4 t2 X9 y4 z! O' _
- #include <malloc.h>- F, r2 S5 f6 B( m$ a& s2 }( G
- #include <sys/types.h>* Z; ] P8 k# S/ K7 |1 v5 H
- #include <sys/stat.h>: g+ M2 I2 v) F! D @. O7 `. o
- #include <sys/ioctl.h>) `) r& y. \" n) _( B
- #include <stdio.h>1 p; Q- j! i# k9 m+ ~
- #include <string.h>' X! h+ \7 z4 k# i
- + K$ S: v. }; Y. J0 o
- typedef struct {
+ m5 D T% j, D) I4 }% e0 A - unsigned int e2prom_cmd_sub_addr;, U# T7 ~4 H( e# N' b6 b+ B* O
- unsigned int sub_addr_count;
9 R) r, _ B% U/ w! P F - unsigned char* e2prom_cmd_data;( j. Y4 b7 w) |0 O* m
- unsigned int data_count;' ^* D9 Y* f8 V0 m4 }! P3 N; m, A
- } e2prom_s_cmd;7 l/ `. S1 _9 L5 D/ w
- ) ^' _2 ]4 l! K1 K; A2 `8 L6 u# ~
- #define E2PROM_CMD_READ 13 p5 z. X* Q: l6 Q
- #define E2PROM_CMD_WRITE 24 Q7 u! }8 b. j! i0 ~; a. I( \
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)" j8 f6 ?( G. H! m& X! P6 U
- {
z9 o' }) i0 @; {- t0 F - int fd, ret;' {% N9 @. [# E5 s7 x2 O
- e2prom_s_cmd arg;: Q- H1 b5 F6 k' @" d* Z/ d8 |; l
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
) w! `2 p. P5 ?, u$ ~3 [9 }7 | - if (fd < 0) {! ?- M+ q6 ?. T: s4 v8 L( D8 L" ]
- printf("Device %s open error.\n", E2PROM_DEVICE);6 E: z4 K7 S7 P* X
- return -1;
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- arg.sub_addr_count = 2;
_* e. A5 Z- q! o - arg.data_count = 0x18;
+ ^) { }' P( ^! t; p) Y+ V - arg.e2prom_cmd_sub_addr = 0x290;5 q2 H% f; a# R1 \% d9 c7 d
- arg.e2prom_cmd_data = buf;
3 X @, K1 k- W Q- S$ f4 O/ U9 b6 ]6 v - ret = ioctl(fd, E2PROM_CMD_READ, &arg);2 c9 q# F& v1 n2 m/ h; v
- if (ret != 0) {
# l& ~" }$ S& P - printf("Device %s read error.\n", E2PROM_DEVICE);' l& d9 i. T3 Z: z; b6 i+ ~2 L" C3 W
- return -1;
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- memcpy(mac, buf, 6);
" l; }& w: i/ z9 X/ r - memcpy(stbid, &buf[6], 18);
y4 C v; H$ n - stbid[18] = '\0';
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1 W1 X0 C) j) h. }- return 0;' s5 A+ n2 X6 S% m
- }* i4 i" a5 l7 d/ P9 q: v/ I3 F/ J
- , q# C; Z) m6 D% B) o$ W+ x7 R
- static int writeparam(unsigned char *mac, unsigned char *stbid)
+ [4 N! u5 Z, z; ], K+ r$ b - {
$ P* ^7 Z6 {, x& ` f1 O$ |4 I - int fd, ret;
0 Q7 c7 G1 }' z' I- {+ R6 B - e2prom_s_cmd arg;1 `( h( _2 c( ^+ _' [% ], j& I4 w
- unsigned char buf[0x18];
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* f7 G* Z" p" y( O8 Y- memcpy(buf, mac, 6);
5 t( r$ _- D1 r4 g7 i( `; @9 Q! y - memcpy(&buf[6], stbid, 18);! o' m0 O2 ~& r3 D0 r
- fd = open(E2PROM_DEVICE, O_RDWR); N. m6 ~ X: ]8 C" x
- if (fd < 0) {# D' C# J+ a a1 f; Y3 R+ J5 n
- printf("Device %s open error.\n", E2PROM_DEVICE);) \, o* J3 \4 `7 n
- return -1;( X k" P7 V% W% t# n. e4 {, @9 a/ H) p
- }! t8 _/ s& L# m9 }6 b5 @0 a! ^
- arg.sub_addr_count = 2;2 }* A4 T: T& @7 q' a
- arg.data_count = 0x18;3 F# R. C* {; b, z' z: r5 B& M9 n5 x
- arg.e2prom_cmd_sub_addr = 0x290;8 M6 I( `) A0 D7 r. D1 W
- arg.e2prom_cmd_data = buf;
6 e: x [0 a; ?) N6 v: k5 u }$ ] - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);# b I+ T: O9 P& S7 ~
- if (ret != 0) {
' a! w' ^8 m* y- X# S, i - printf("Device %s write error.\n", E2PROM_DEVICE);
" u' \# { u" S- `# A - return -1;
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- + ?% H. k" q: J0 r
- return 0;
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" H* g: k! Z8 {7 c) ] Y- int main()
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- char c;& m9 F' V3 A3 x1 R) g9 l; x
- int i, macs[6];
1 g5 V9 X: P( O - unsigned char mac[6];
% o T. e% a- ~7 v$ _ - unsigned char stbid[256];6 S% J) x' f% [$ X6 F1 u5 F
- 5 U5 ^% i' N8 g0 d3 ]
- if (readparam(mac, stbid) < 0)! ]! H8 j d- {, K5 b
- return 1;2 O% B, l$ }+ B# K5 t
- ! T% f) U+ g, g3 Z& w) s& C' ^
- printf("Current parameters: \n");
0 Q ]3 C8 |3 k. q6 e' H- B - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); W# n( R C7 C
- printf(" STBID: %s\n", stbid);
2 k% j' c0 f7 T2 p9 V+ ? -
# i5 K! W. H9 I# B/ o - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");/ s2 e3 F$ ~7 z- r' a% w1 C
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {5 ^$ h7 D. G; R' T9 S, u0 ^) p
- printf("Input MAC error\n");, X" d& D3 H& V# B- E! \' l
- return 1;+ J- Y7 L2 M' w y* p
- }+ ?( P2 Z _% d% J
- for (i=0; i<6; i++)mac[i] = macs[i];, h: C; `3 E W1 G
- printf("\nPlease input new STBID: ");5 ?& i2 B& V: p+ T/ ~. k
- scanf("%s", stbid);( x- ~) {% M6 @9 Z
- if (strlen(stbid) != 18) {
L& f% m; l; w' y - printf("Invalid stbid\n"); l8 c5 \, n9 i* y2 A
- return 1;& T0 C& d8 b: J4 S! U% _
- }
/ D# @0 P6 [+ C! P6 ~ - printf("\nNew parameters: \n");
1 d; J/ h% V; A) ?. ^ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);: }9 G& k& O4 {; i1 z' h
- printf(" STBID: %s\n", stbid);
# r r% Q3 N# p, n0 F! \ - $ \8 t4 d/ A( @2 `* W
- printf("\nDo you want to change paramemters? (y/N) ");" D0 k6 }- J: ~+ ~$ U
- for (;;) {
! W% x1 T# y6 A& A( w( T - c = getchar();/ a5 R) \* x3 R
- if (c == 'y' || c == 'Y')( y0 P# p8 O1 X" J
- break;
# N6 i6 ^, @9 D+ C0 S" {; s - if (c == 'n' || c == 'N') {9 f. L8 Y5 @6 O0 `' X3 ]
- printf("\nAborted.\n");/ T) I/ N8 B! a1 _
- return 1; L5 [4 |2 J" X
- }" u0 P% l# G+ @! d! m; F( T* {3 N( l
- }
. N( e( B. W& X8 I - if (writeparam(mac, stbid) == 0)
5 \4 v3 L* c3 v H0 C - printf("Parameters changed.\n");
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- return 0;' y) D& c) M) C4 I
- }
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