本帖最后由 0522 于 2012-3-21 23:04 编辑 3 M8 n! c) N: O/ X0 i; V
7 f" I% ]3 W0 m7 W( y修改的代码早有了。到今天不会编译。' P, l, m1 Z: U) n; I3 `- Q
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
9 f! @% G7 L' a1 a - #include <malloc.h>, P8 \- C6 M3 K; c1 h3 M2 P4 i) j
- #include <sys/types.h>
7 Y6 I6 B2 T7 r - #include <sys/stat.h>
: X$ o0 G) I# a3 Z! K( h0 }9 x - #include <sys/ioctl.h>( r. j1 q2 [. S/ |
- #include <stdio.h>+ B: c4 U# K/ T% Z9 v7 j
- #include <string.h>
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- typedef struct {
3 O2 }2 h% A1 U5 j; K - unsigned int e2prom_cmd_sub_addr;8 A0 j. p9 E; R. w5 Y* y1 t
- unsigned int sub_addr_count;/ _: K+ J9 z( n% @- \* ?
- unsigned char* e2prom_cmd_data;
! s+ a, T; }# X5 O% d, G+ h/ O - unsigned int data_count;
3 C8 Q0 B2 W0 a) Z: K: | - } e2prom_s_cmd;8 G, H& N" h# [; k! ]
- ( @4 [( U) G6 e l( i! x+ y" V
- #define E2PROM_CMD_READ 12 ?' t7 T7 V, l4 F5 `% e# ~
- #define E2PROM_CMD_WRITE 2
; A. h+ C0 Q; R3 G5 P8 k: |* N - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"0 z) r' {3 C6 I& ]9 S8 V& O
* k0 d# |8 d; y- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret; j7 |6 j$ i: Z7 w
- e2prom_s_cmd arg;' V4 d9 j8 Z, ]. n+ @' I
- unsigned char buf[0x18];: y9 ?6 d: L1 r
- * B9 K: ]5 W" m! B0 X- ^6 Y
- fd = open(E2PROM_DEVICE, O_RDWR);4 `% G8 o) V# K; o
- if (fd < 0) {/ Y$ T5 q9 y. @9 x5 z* M
- printf("Device %s open error.\n", E2PROM_DEVICE);
" f' `+ d: P1 ^: T5 H/ A - return -1;2 o/ l* H; u+ \ G
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- arg.sub_addr_count = 2;
* ]! q. ^# M- Y) C7 ]+ B- l! k - arg.data_count = 0x18;$ ?. \; j; x$ j5 b9 A
- arg.e2prom_cmd_sub_addr = 0x290;
! Z5 C8 [9 h3 G0 H& D - arg.e2prom_cmd_data = buf;
: }, L6 M* a! V7 M" t - ret = ioctl(fd, E2PROM_CMD_READ, &arg);, i' I3 \- }$ S- D
- if (ret != 0) {" O1 I& G+ ?" b
- printf("Device %s read error.\n", E2PROM_DEVICE);( k' `2 |7 t, ^/ s- J9 P
- return -1;
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- memcpy(mac, buf, 6);
1 B- B. J$ n. q K - memcpy(stbid, &buf[6], 18);) Y0 K) l$ p: L; S/ h9 F' c( y
- stbid[18] = '\0';7 \" E" d! V/ Q* T$ k
; U, k+ C x( V8 E0 }4 e/ F- return 0;
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- & A$ a3 _, d" v
- static int writeparam(unsigned char *mac, unsigned char *stbid)) o! d/ G/ r, `) q, p
- {) F3 B' Q, @5 b7 U8 V, Z
- int fd, ret;
) L M6 N. }, z1 k - e2prom_s_cmd arg;) F; Q* I* F3 Q6 u+ k+ Y
- unsigned char buf[0x18];$ I6 n9 A2 j1 ^1 l# I0 E( E( k
2 ~# K! ^: ?7 {2 f4 A7 N! O- memcpy(buf, mac, 6);
: O4 U3 _. T* o* Q2 y - memcpy(&buf[6], stbid, 18);
& E- Z- \! f0 }2 n& R - fd = open(E2PROM_DEVICE, O_RDWR);" q- P6 h6 ~9 |3 w0 ]( m
- if (fd < 0) {- R# v# N" l( K1 O5 }3 h$ }
- printf("Device %s open error.\n", E2PROM_DEVICE);
: L; m6 Q' B3 W8 ~ t - return -1;
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- arg.sub_addr_count = 2;' _/ C& ^* L M( K1 T
- arg.data_count = 0x18;; t3 K' S* r; o+ ]7 @- m
- arg.e2prom_cmd_sub_addr = 0x290;
. A2 x& T( I6 P - arg.e2prom_cmd_data = buf;2 ?6 l; L$ v% p- u/ r
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);/ G; `7 ?' k6 I3 t& [9 ?& f$ z
- if (ret != 0) {
5 A; v9 b6 J1 Y5 ]" H - printf("Device %s write error.\n", E2PROM_DEVICE);8 z5 X E* X: {) N
- return -1;0 U2 |4 e6 F9 n! p% a8 I5 @- H
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1 G1 @8 D7 g- k5 R4 B3 n- return 0;
7 I; {. v4 f. ]9 d6 S - }
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- int main()- j4 |6 V0 `, p7 \" Q
- {/ i9 _ R4 X$ a) n* M! k/ X& B& J4 a
- char c;+ s0 S+ j0 i$ w, v8 e# \
- int i, macs[6];0 {7 V8 t% e/ \+ X3 \$ V
- unsigned char mac[6];
1 z* O s3 F6 x* S& E, P9 h% x5 { - unsigned char stbid[256];2 Y" ?5 m" ?- [/ o- n1 |3 g, c9 Z
0 l c* J. k& m5 Z3 N- if (readparam(mac, stbid) < 0)6 H/ w* l& G' Z: [/ U: w
- return 1;
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5 c4 ^" P5 X3 d+ p4 ^- printf("Current parameters: \n");
$ J3 _% X# \& s, r5 l: s# q - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);1 w( S& `, Y# v6 P
- printf(" STBID: %s\n", stbid);
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" Q+ Q& n7 `0 N. B' h& [" ? - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
! _, G, T( {' [# G$ i# q - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {. S) C! c& n. \5 ?! t' e3 {9 u
- printf("Input MAC error\n");
6 o- } X( ~( t - return 1;) r9 f4 p2 ~; p0 F l6 N) q) s
- }
! e% H& T+ ], P! q) @ - for (i=0; i<6; i++)mac[i] = macs[i];
* o" w) r" n6 U: y5 _ - printf("\nPlease input new STBID: ");
2 R+ A* m4 h. V! ~/ N - scanf("%s", stbid);% B* ]: l( `- g* K3 m2 c
- if (strlen(stbid) != 18) {% T; Q% q. b3 O- _6 r/ u; E* L2 P
- printf("Invalid stbid\n");
$ e5 a; a' X- t# r! W( ]* d - return 1;
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- printf("\nNew parameters: \n");
) ^& t% D7 a7 m. f; Y. ]- \ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);/ f9 s& q5 r$ A- n2 j W
- printf(" STBID: %s\n", stbid);2 r8 V# o7 [8 L+ O) } q
- 9 |( ?2 _0 p$ P# d
- printf("\nDo you want to change paramemters? (y/N) ");
9 u6 u$ q& P3 a2 a4 ?- n$ G - for (;;) {
% |$ F2 [& }* h5 D$ @! Y4 p) u0 U - c = getchar();
: E8 Z: O% j9 E9 N! K - if (c == 'y' || c == 'Y')
9 C6 h/ ~! G6 o5 O7 Y# K, T& ? - break;+ o- Z5 Y9 Z! g4 U9 [0 Q8 l3 ?7 O
- if (c == 'n' || c == 'N') {- c5 G- k' e$ c$ M$ G
- printf("\nAborted.\n");, {4 ~- c" r1 o3 i: a2 C
- return 1;
2 ], `8 [7 t5 H L; c - }
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- if (writeparam(mac, stbid) == 0) 7 M$ T9 P; R; A- b- d% y
- printf("Parameters changed.\n");
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9 @( ^) _2 o& _2 \- return 0;' N' r. O5 H1 c8 U
- }
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