本帖最后由 0522 于 2012-3-21 23:04 编辑
+ f- m9 J. H5 |# I* E I/ Z% p. A% F
修改的代码早有了。到今天不会编译。
6 M& S; J# H% n# V# e需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
/ F! J& G* _$ C7 h1 C/ g& _ - #include <malloc.h>
; G9 T1 P; W D - #include <sys/types.h>; r- p+ ^! H7 N
- #include <sys/stat.h>
1 M k3 E3 @' p2 Y- [# F- z - #include <sys/ioctl.h>1 x9 o6 V: }7 S, n+ Y1 [' z" m: S
- #include <stdio.h>' q* u3 d/ o3 j/ ^* O
- #include <string.h>
2 h& K* v/ }2 Q) [
# O, d: u8 a1 r# z8 I( E2 O* L- typedef struct {
8 I6 k; O V* a! X" \# L - unsigned int e2prom_cmd_sub_addr;' I# ~& Z9 x1 h
- unsigned int sub_addr_count;
+ l1 s0 B5 Y% P) e - unsigned char* e2prom_cmd_data;6 b/ j+ f% U+ f$ R/ o/ E
- unsigned int data_count;
7 B( ^' k- b7 {- ^4 u - } e2prom_s_cmd;# d9 v% I) k9 @% s. C
2 P# T& c" Q, J3 {6 l* ^$ k- #define E2PROM_CMD_READ 1" T B% \1 H4 f+ j! V7 E3 Y
- #define E2PROM_CMD_WRITE 20 a) d% E$ v& U' Y$ R# X
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16". P) F* U; |* y; j5 M
- 9 V8 F& Q6 X' `
- static int readparam(unsigned char *mac, unsigned char *stbid)
0 s: J8 K/ R( C8 Z) B6 }( X - {2 U5 M9 ]0 J: Z; ^' ]
- int fd, ret;
0 h' b; F8 W* j5 ~ _8 f- p% C - e2prom_s_cmd arg;; a9 Q, N3 b. o6 Q* }
- unsigned char buf[0x18];
! F! G+ [4 X2 D
/ m3 ]2 [1 e& d! Z" B- fd = open(E2PROM_DEVICE, O_RDWR);0 B' C1 O7 {# E( h* W
- if (fd < 0) {
: n1 \* Z2 E {7 E* n - printf("Device %s open error.\n", E2PROM_DEVICE);# m8 e* J7 T/ a
- return -1;
/ r# q2 V; c9 \! u4 `7 c; d - }, \+ s4 l0 B) \ v7 }# v
- arg.sub_addr_count = 2;
4 T4 |/ i; M; e1 Q* W( E$ F - arg.data_count = 0x18;' ~, E" t' s H: h
- arg.e2prom_cmd_sub_addr = 0x290;
( v7 v3 @" C+ l) [ - arg.e2prom_cmd_data = buf;
+ R8 s, d2 u# ?1 v. q8 V0 H8 M - ret = ioctl(fd, E2PROM_CMD_READ, &arg);, u1 }5 l4 z5 a V6 q
- if (ret != 0) {
" Q+ z1 e( n2 Y - printf("Device %s read error.\n", E2PROM_DEVICE);
1 i9 E; d5 o7 T+ f3 x& q" z( n4 S - return -1;1 Q5 X+ W% j5 r3 d- I# ]) ]$ m: ~
- }" O. d) e3 h; i- N
- memcpy(mac, buf, 6);0 H2 v) W7 V' h4 n# H6 x2 b/ W
- memcpy(stbid, &buf[6], 18);
& o) j5 I+ J; X! ? - stbid[18] = '\0';
- Q8 Y g) }5 y! J. O
7 e( [3 G0 u# |) L- return 0;
1 D, [& [1 U6 v1 Y1 b - }
: r I# [# Y9 f& _
7 ^: Y# F0 t5 _' L( R- static int writeparam(unsigned char *mac, unsigned char *stbid)
: E% [2 }; B3 I" V" C( z7 [, ?6 t - {9 Z( B& J' J, T% E) N- F" D
- int fd, ret;
& y3 N; h) a4 H0 f6 y: B9 @6 O9 X - e2prom_s_cmd arg;3 Y- \7 j6 b7 s8 z8 S2 Y
- unsigned char buf[0x18];5 C- _( x) r4 T" @$ b
- : ~8 N5 j! K1 A! b& L5 m
- memcpy(buf, mac, 6);4 G, T) |( x! Y5 Z% I. Q" M
- memcpy(&buf[6], stbid, 18);
8 Y! ~+ v: w* l$ o- s$ l - fd = open(E2PROM_DEVICE, O_RDWR);# V7 S: i2 ^. ^- O) b2 Q
- if (fd < 0) {
/ W V' _ f9 N% n$ A - printf("Device %s open error.\n", E2PROM_DEVICE);
0 k" t3 [& i1 V; T - return -1;
' ?/ I# n3 z/ T0 c" a* g4 O" r - } A& G1 P& z1 P. j) \
- arg.sub_addr_count = 2;
: `0 \4 V+ A! }) U$ P - arg.data_count = 0x18;
/ M- Z' c; _1 E9 w U# N8 E% r# H - arg.e2prom_cmd_sub_addr = 0x290;
, J; K6 z1 L, i( }9 E9 K2 d - arg.e2prom_cmd_data = buf;3 f: Y6 O2 M I
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);1 E4 y0 u& G; a# r/ O
- if (ret != 0) {% [) s2 u6 w2 a8 e& [+ V- u
- printf("Device %s write error.\n", E2PROM_DEVICE);
! ~* E3 R# ^1 V, I - return -1;0 G ^1 {& [6 o6 t
- }; w3 G" Y( _4 a( N' b+ ?& O* Q
2 W/ i8 V! U/ o$ w8 H- return 0;2 h' d w4 \0 N- H0 ?
- }
, l4 l. B4 E5 W+ Y8 s7 `6 ]& L
1 f0 ~7 g* a1 ^! c4 ?/ i* \- int main()
+ x. }8 ?$ N8 J" b) J0 ` - {- X1 t: v- G- s, y2 Q; u' v8 g, J( H
- char c;
, ]7 ^* g0 X# r& L& i - int i, macs[6];% q# ]$ X6 u! D6 o# V
- unsigned char mac[6];
1 A7 Z3 [+ R$ f' E - unsigned char stbid[256];6 p) o {7 X, @( t
- 6 l8 v6 z4 ]& I3 `
- if (readparam(mac, stbid) < 0)
8 G& ~' t$ n2 M) D - return 1;* P) T, t8 E% T5 p) @ w
- ) v3 t" h' J. b, [2 O
- printf("Current parameters: \n");
+ o& g3 n1 X! v5 @1 w3 H, d - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);/ V; I; r7 Z" Y
- printf(" STBID: %s\n", stbid);
) A* X5 R, p2 \: T, ]3 h1 B - , H+ R2 R7 f% R
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");6 X3 P8 K3 ^- C! c* a$ K+ o, s; @
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {7 Z0 }5 S; q# B& F; v1 P" J
- printf("Input MAC error\n"); ~4 |7 b& ?. L$ l: I$ d4 F
- return 1;( Y& x% e6 a0 D9 q; G1 D
- }' w# H `- }% _# B, Y& m
- for (i=0; i<6; i++)mac[i] = macs[i];
( l' ~* x. d4 g9 R9 d - printf("\nPlease input new STBID: ");# H @; q0 D8 P7 }* t
- scanf("%s", stbid);
4 P% T* T- ]+ m: g3 } - if (strlen(stbid) != 18) {8 M3 [3 N) X& y( i; B) F
- printf("Invalid stbid\n");5 q$ m# R/ ^6 D9 G& B
- return 1;
1 J! N( n& D T/ N - }
5 T w4 A, S- Z/ ?" J - printf("\nNew parameters: \n");
1 U4 k9 s3 p; |7 I& W* R1 L0 O - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
* s3 N1 d! O5 U# {( `: F4 } - printf(" STBID: %s\n", stbid);
# _- I- |, K; H9 j( `
: B: S" [" u3 \& T: D6 @1 z; P- p- printf("\nDo you want to change paramemters? (y/N) ");
( }5 Q. s$ z/ ?$ E - for (;;) {, B1 m. @+ d9 Y
- c = getchar();
( B8 }& f2 c( ]& \& k/ \ - if (c == 'y' || c == 'Y')
1 _" V4 v7 A) Z1 B0 w1 J - break;
: N$ |$ `5 f6 e7 y0 j - if (c == 'n' || c == 'N') {9 n5 y4 M; O/ N
- printf("\nAborted.\n");" c) z# y; f$ Y9 g2 D; ?9 Y6 _
- return 1;) T! ^ @9 @7 {: C E9 E4 x
- }
0 ` W3 r9 @# h1 F) Q - }
8 p. G; n7 }, P& P, P - if (writeparam(mac, stbid) == 0)
5 e3 _8 Y/ X7 g6 y' n - printf("Parameters changed.\n");" y& g" n5 b u9 U! U! s# L; S
5 [6 B1 }+ }6 `- Y1 q- `. Q: J- return 0;
4 C. g& a- I/ P- T) U" Q; C - }
复制代码 |