本帖最后由 0522 于 2012-3-21 23:04 编辑 0 G+ U2 Y/ B K: Q, W
; Q; i2 i% V. Q% W j I修改的代码早有了。到今天不会编译。# ~8 W4 @6 ~. U( T5 ~3 P$ l2 s% S1 f7 U
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
0 ~' l! x, E* I0 c* v$ n$ ^4 I, d# N6 h - #include <malloc.h>
; L, [; U/ f+ ?+ A3 x - #include <sys/types.h>
+ ?& E" d, C8 z+ ~$ D0 w: X - #include <sys/stat.h>
- e$ ^4 j7 u1 G4 r3 p( j- H8 `5 y - #include <sys/ioctl.h>" U. K$ z+ i3 C/ S
- #include <stdio.h>7 k4 N- D v# Q [7 L' L# Y3 ^6 ?
- #include <string.h>. N/ Y& z6 y$ {( ]& z
8 q8 i5 C0 d, R: B$ M- typedef struct {
; b+ f. c' v8 M - unsigned int e2prom_cmd_sub_addr;
) @/ M" |- V/ e, p2 Z- J, \ - unsigned int sub_addr_count;0 L0 ]% Z( \- }* `# f0 E: Y9 S
- unsigned char* e2prom_cmd_data;
+ B& x6 O" p, e0 Q) z& x - unsigned int data_count;
6 c+ ]" r, w, X7 K6 q - } e2prom_s_cmd;) a- q# i, i, ]% P6 k& H
# h1 t/ I+ b0 U6 A" r9 r- #define E2PROM_CMD_READ 1
( P' H+ P# b, p: @ - #define E2PROM_CMD_WRITE 2+ D5 o1 V7 G6 p0 z
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid), {3 A/ B7 B7 |" P1 y
- {
, b( c8 o! b$ }7 } - int fd, ret;
! q$ T$ n) B# Y6 l" G- n; s7 f% y - e2prom_s_cmd arg;
. Y' k0 g! J7 @9 [) a - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
8 E+ V+ g1 o- h' |# ? - if (fd < 0) {
; w( X# P) R2 p - printf("Device %s open error.\n", E2PROM_DEVICE);
) ?: o* I8 E/ u( l* t* x: I- l, A - return -1;
& n2 B0 R! }8 E( v" ^0 ~2 y0 o - }
& I6 H$ t V2 s, Z* @1 Y- t3 Y - arg.sub_addr_count = 2;
: n4 z" _6 H) Y% c - arg.data_count = 0x18;0 ?! T+ L3 f9 D7 ~. a6 t
- arg.e2prom_cmd_sub_addr = 0x290;
) I& }- u! ? g* { - arg.e2prom_cmd_data = buf;
- t/ f* x8 E( G3 C9 O V - ret = ioctl(fd, E2PROM_CMD_READ, &arg);( v5 j& Q \+ d2 z
- if (ret != 0) {4 E6 ~, G& M* \* T/ {- d' l! A
- printf("Device %s read error.\n", E2PROM_DEVICE);
( {, R! W* N) z; a/ O' g$ L - return -1;. B6 P+ E% B1 n7 g3 S
- }
+ ]. k- [8 c+ B! e" S - memcpy(mac, buf, 6);( ?% r4 f6 u/ N3 d+ u$ u9 P: Q0 n. n
- memcpy(stbid, &buf[6], 18);
& g- \" B9 C3 t4 {/ G - stbid[18] = '\0';
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. g$ w4 `7 G7 P$ W) I. j9 L- return 0;$ } k; s1 k: ?' l
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
/ e" W. b3 ~. `% R! [8 u8 a3 x - {
2 n) x% d: t$ k3 T8 |/ } - int fd, ret;; U+ S: H1 T' B
- e2prom_s_cmd arg;
H6 h9 W" i# Y; C( b# f - unsigned char buf[0x18];
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) a7 o/ h; F4 h' S+ V! m6 t- memcpy(buf, mac, 6);
& t0 A6 r$ {% m% X7 | - memcpy(&buf[6], stbid, 18);, C3 B( e* F7 Z) i* Z; \8 L
- fd = open(E2PROM_DEVICE, O_RDWR);
4 i% a* \# J% T9 L - if (fd < 0) {0 v/ p% |( W, g, I2 H
- printf("Device %s open error.\n", E2PROM_DEVICE);1 |; G0 `0 r4 L- t
- return -1;
/ C9 J4 h- E; d - }
: ^7 N% b- F4 t% A# A* n, \ - arg.sub_addr_count = 2;
: h1 I' z, I5 n - arg.data_count = 0x18;% v& K: y5 k1 R8 O
- arg.e2prom_cmd_sub_addr = 0x290;$ U; c. e' l9 V; c0 J; x6 @; q4 O
- arg.e2prom_cmd_data = buf;+ D1 n1 C# ^1 Z
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
9 X2 b0 `% {% u4 {: k - if (ret != 0) {( B, H! z# w$ i) S S$ G
- printf("Device %s write error.\n", E2PROM_DEVICE);$ [. n( \) u, ]+ u
- return -1;& i& u3 g9 o7 N; }$ ?
- }
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- return 0;
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- int main(). R o1 N! W5 c5 ]
- {, `) d8 k9 Z/ h' L
- char c;9 ~( _( k% y- ^: d) ~. l0 u! x# c
- int i, macs[6];
* i: H" f7 B, O - unsigned char mac[6];9 v6 b3 b1 T4 l& A
- unsigned char stbid[256];
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0 n& Z1 G) ]/ b, W; r: \+ K$ D0 g2 ]- if (readparam(mac, stbid) < 0)
- ? M+ K1 {& @; ?5 ] - return 1;
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) }" E0 `5 ], E9 w- printf("Current parameters: \n");! Q# d; p. s# t0 o
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);3 @$ a2 a! R2 B3 n: {( N- l
- printf(" STBID: %s\n", stbid);) e9 d5 Q! a: \# B* h! O6 b+ B
-
6 D5 G% f5 r8 d2 }0 o - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
! i2 w$ Z# D' V# U% x4 `2 X5 V, ] - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) { L3 k9 Z- h1 \* D3 g+ b
- printf("Input MAC error\n");
/ `+ B* R1 A9 H: _ - return 1;' }, e- k2 s8 \5 H+ N. X
- }
) V/ ?- L2 w( }( D7 z - for (i=0; i<6; i++)mac[i] = macs[i];
, l$ K2 q w/ ^% D/ P# X - printf("\nPlease input new STBID: ");6 y% v! j. M- D% |0 }
- scanf("%s", stbid);4 r- A/ f0 k/ j# K6 T
- if (strlen(stbid) != 18) {
9 N$ p5 \ ?# J% h5 t - printf("Invalid stbid\n");7 C, i9 o$ T; a/ P
- return 1;# n. o6 d! _% A( e0 O
- }
* q$ w! t7 w6 i* @3 ?3 T - printf("\nNew parameters: \n");
R) Q5 Q7 G; V( e5 @: v - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);" `1 ?: F( U2 K7 m
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");+ Q* z1 E) s) b
- for (;;) {
4 E/ _% o+ X2 ] - c = getchar();
R2 k- u, s/ G0 ? - if (c == 'y' || c == 'Y')" O$ P/ E, I& O% H5 E' a
- break;
' Y; i9 r2 L( d2 R* ?9 p5 Y - if (c == 'n' || c == 'N') {1 u, C& \0 Q* w4 C( O& I1 S
- printf("\nAborted.\n");
$ l3 ^* Z6 l- y) n - return 1;
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- }
2 Q5 \2 k. t# N) t1 N) W& b( W - if (writeparam(mac, stbid) == 0) 5 [+ W1 Y }5 p5 T
- printf("Parameters changed.\n");1 w1 q5 H5 S; e
8 `9 N, ]- k- E* }- return 0;
& e5 c2 l7 H% G - }
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