本帖最后由 0522 于 2012-3-21 23:04 编辑
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. q+ p: X. a4 Q/ c2 L8 O* a修改的代码早有了。到今天不会编译。
! n) t7 W+ ]/ [. r8 e- {* }5 s p需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>/ n$ u# C& O( @# R! \
- #include <malloc.h>5 o! D# b- u' L* a
- #include <sys/types.h>
* y0 e) H* {0 D. p% x$ z1 p/ l2 d - #include <sys/stat.h>3 _8 j3 |7 ^( f! U5 [" N
- #include <sys/ioctl.h>0 c% \# i+ {4 l3 R, V) D' ~
- #include <stdio.h>
2 t6 A3 {& M! _ - #include <string.h>
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- typedef struct {
- I0 ^( E+ d& z - unsigned int e2prom_cmd_sub_addr;* F3 s9 H% E S# \; d
- unsigned int sub_addr_count;
+ ~( ~9 `4 {6 g0 t& i8 Z - unsigned char* e2prom_cmd_data;
8 |0 w1 u4 b8 }2 V: I- x - unsigned int data_count;
. G7 O H! H; f4 ^1 j) j8 R3 L - } e2prom_s_cmd;
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0 u/ M) s3 K& B+ D4 z+ G- o- #define E2PROM_CMD_READ 19 Z+ _% q, a: Y2 W
- #define E2PROM_CMD_WRITE 29 O. S, Z8 |1 h
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
0 O/ e) K0 z/ c8 `% h, ?* l - {
9 }$ U9 J+ [% _ - int fd, ret;: P+ s' R$ ^3 k! x& L p
- e2prom_s_cmd arg;6 s- Z/ S3 ]. ?7 j. x) p! D" S7 q
- unsigned char buf[0x18];
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% W: }; k. \5 J. j- fd = open(E2PROM_DEVICE, O_RDWR);$ O( A$ I3 R: o7 O5 H
- if (fd < 0) {
1 d+ _# f5 U/ U% r% h) m - printf("Device %s open error.\n", E2PROM_DEVICE);
7 d$ q: ~) f1 L2 X2 P* Y0 ~6 u - return -1;/ j5 ~; t, }0 l1 ^
- }( e; j4 D2 k% A/ K6 N
- arg.sub_addr_count = 2;
4 K$ L9 c, Z' y, b2 v - arg.data_count = 0x18;1 |/ R/ r2 P) \7 A: J6 X+ L
- arg.e2prom_cmd_sub_addr = 0x290;0 R( I, E8 V4 d* J2 m6 w( y
- arg.e2prom_cmd_data = buf;, Z3 |5 c& h, d, e+ C
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
, C( i- A0 P! w) N) U" X0 ` - if (ret != 0) {
. h. e% f* [% @/ A- j, k4 E - printf("Device %s read error.\n", E2PROM_DEVICE);- P3 i( k& r- H* `' v
- return -1;
! U$ Z; G, I: v' Z" D - }
4 t& S& k3 `% a5 {- W) A8 ? - memcpy(mac, buf, 6);
. ~& r2 g' K5 `" o - memcpy(stbid, &buf[6], 18);- s1 [: k8 |# \. C& Z/ A
- stbid[18] = '\0';
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- return 0;
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# ^( z8 N% e) k% p" m1 v! O- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
9 }8 [( u7 v# Z+ M - e2prom_s_cmd arg;
0 x& g; M0 ~0 q( O - unsigned char buf[0x18];" v; p# }0 h, p
- 2 H2 |4 N$ a/ Y. e! m% m: m
- memcpy(buf, mac, 6);
1 t$ J+ B8 H: E) c' u, E - memcpy(&buf[6], stbid, 18);/ ]8 G8 P: X9 Y# c
- fd = open(E2PROM_DEVICE, O_RDWR);5 m; |- y& v: C1 B4 d5 B1 \; w% _
- if (fd < 0) {
7 A5 K1 ^) U# q' ^+ X9 h9 _ - printf("Device %s open error.\n", E2PROM_DEVICE);
0 A( N. r2 G* e - return -1;
% {' W& @8 }3 g* d - }
9 L& ]" P. F, E2 p% R+ a - arg.sub_addr_count = 2;0 j n# N" @# O- W, _/ U
- arg.data_count = 0x18;
, P9 c% @3 s/ I3 H( _3 j ^ - arg.e2prom_cmd_sub_addr = 0x290; B( l$ H! O8 J4 o
- arg.e2prom_cmd_data = buf;0 {/ o1 B% o8 b! Q& N; x
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
% U: `( ]. [" h" b( M - if (ret != 0) {0 {0 l7 \4 u8 a/ V+ j- n
- printf("Device %s write error.\n", E2PROM_DEVICE);
# J6 R; I4 _) R F0 V - return -1;
2 C' n" K- Z) M- [8 I* j - }
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- return 0;
l3 z- r7 V- D1 y0 O5 y - }
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- int main()
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- char c;* m) p! P$ T. k+ }7 u+ P! j
- int i, macs[6];; ~) Z/ @3 G* Z* L" f+ L4 ^0 `5 z
- unsigned char mac[6];1 _/ S& k- C: w- N: A' I( A2 `/ B) l
- unsigned char stbid[256]; ?+ S5 Z& R3 q$ k
* F6 E: i7 j$ y o0 B1 f- if (readparam(mac, stbid) < 0)
. {, S% V( C5 G' o" U* R" ~ - return 1;
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{8 f+ B1 O2 w8 p+ q- p- printf("Current parameters: \n");
) p. M" }; I% ~# Y - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);- Y& I8 `: h7 s, l6 U' q
- printf(" STBID: %s\n", stbid);6 O( J/ [- M- ]
-
. ^* h$ ~/ Q B - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");9 U, p+ z- a% d" Q# C
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {$ X9 m2 }2 E0 g2 A1 C3 D
- printf("Input MAC error\n");3 a- q4 W+ U2 g2 h E3 N
- return 1;
3 c! R; c9 A0 a) p( Q# k, R; \ - }! F* t1 r7 [( \$ t' ^6 V
- for (i=0; i<6; i++)mac[i] = macs[i];
' _9 n8 v7 t: n9 {+ v4 x - printf("\nPlease input new STBID: ");) x, S9 X7 y6 j; l5 |2 J" `
- scanf("%s", stbid);
2 @, V4 I5 n/ O - if (strlen(stbid) != 18) {
/ Y) H4 r: ^. D8 \, A0 T - printf("Invalid stbid\n");7 x0 x' g" } W7 f4 _
- return 1;
# a5 O- y. v% w7 J) I1 o c: @ - }
+ c' Q( m; ^% B/ e: B. Z - printf("\nNew parameters: \n");
/ U* q- y! R9 M4 | I1 X. s- W, X, k - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);' J; c" z1 H' a E& m
- printf(" STBID: %s\n", stbid);
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2 F! g+ g9 v0 @& d( v# l- printf("\nDo you want to change paramemters? (y/N) ");) ?& A: {! s% }5 ^1 c# I' c
- for (;;) {
- V6 ~/ ?; _2 ^" Z+ T - c = getchar();
5 t- y7 B, y8 l# g - if (c == 'y' || c == 'Y')7 g: Z" s2 I* |& f. { s* u
- break;! Y/ f; p8 A7 Q$ ]! O6 v) B% g s
- if (c == 'n' || c == 'N') {: F/ ^4 @7 B5 K: Z8 y
- printf("\nAborted.\n");/ m7 ~4 O* i$ c8 h* h" X0 h/ `
- return 1;+ A7 n* x% N( ^, V6 N' i X
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- }
: r& {4 s/ ?( [2 d7 Y8 M: @- \ - if (writeparam(mac, stbid) == 0)
6 E" i: e9 s% l! _9 d/ j" B# @, x - printf("Parameters changed.\n");
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4 t g- m3 {& [1 m1 ]& `8 {- return 0;5 i$ b7 ~( V: `9 P* d* j+ r/ Z
- }
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