本帖最后由 0522 于 2012-3-21 23:04 编辑
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9 U" u$ [% h) {, X修改的代码早有了。到今天不会编译。* [5 t' ]# s* S* m
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
3 E O. z# b6 g) J/ O - #include <malloc.h>
* W* f3 h* W4 O& g" l1 x - #include <sys/types.h>5 N; i4 C5 _% d: V9 h( @: ^
- #include <sys/stat.h>
" i5 K2 P+ m7 Q) X" I - #include <sys/ioctl.h>& w" H( H2 u5 R+ N; v: v, V6 [3 ^
- #include <stdio.h>
8 i9 Y8 U8 I3 }( v - #include <string.h>: D4 z2 W( K; c) w$ S4 C
- ; f. R) v' H4 i: _- k
- typedef struct {
/ _% f! M k0 V$ w - unsigned int e2prom_cmd_sub_addr;% q+ E/ `4 [% p0 d7 x: G! x2 H$ D. D
- unsigned int sub_addr_count;
9 _7 S) G- p+ @( e - unsigned char* e2prom_cmd_data;
: F, h/ S7 b6 |3 T) r8 ` - unsigned int data_count;
% w2 ?9 k9 x6 H* q$ H" x2 u - } e2prom_s_cmd;% {& D1 P" X, Y3 B. j2 K
# H5 [) m* `9 ~$ c' D" `- #define E2PROM_CMD_READ 1% W* ~3 q) K L. i1 |
- #define E2PROM_CMD_WRITE 2# G( p2 v7 p9 q
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16" z0 `! r7 p9 _. ^* d% @
9 S; _) j; ]: P) z2 [- static int readparam(unsigned char *mac, unsigned char *stbid)1 Y) z8 a& H7 ]* D2 m: v$ u
- {6 P( W& N$ c0 B H* D+ a; {
- int fd, ret;
2 G. ^/ v7 r' M- L" E" k - e2prom_s_cmd arg;- |3 ?- O! y6 [
- unsigned char buf[0x18];
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7 T! V) w( n# Z6 A1 l3 `- fd = open(E2PROM_DEVICE, O_RDWR);
, d8 k# U: u/ A( y - if (fd < 0) {( \8 e% a8 L, Q, J
- printf("Device %s open error.\n", E2PROM_DEVICE);2 K+ K* |) u0 x) j9 d
- return -1;
4 ?6 w5 M5 q7 t* V: r0 Q* Z - }; A- X1 {( V1 h. Y
- arg.sub_addr_count = 2;+ c* ~6 W* s" ^1 V
- arg.data_count = 0x18;7 n( v& P& D! n8 g$ j1 A8 T
- arg.e2prom_cmd_sub_addr = 0x290;
5 N* N9 D8 P5 c; j5 O$ w0 r- X - arg.e2prom_cmd_data = buf;3 ^ i0 {5 O$ J4 v, W+ @
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
+ l0 H \$ |3 E( B, ^ - if (ret != 0) {- O, `) Q1 U* J' A/ f" \
- printf("Device %s read error.\n", E2PROM_DEVICE);; _/ B9 ?: q( L$ V6 p
- return -1;
0 x4 V. W. ]1 p% s, e- @3 C- G - }
% f3 `# ^. B$ l( ]: }: _4 C$ d - memcpy(mac, buf, 6);
3 a7 G: H, O5 ^6 _' I - memcpy(stbid, &buf[6], 18);
) N' `: y- l4 v2 c4 v - stbid[18] = '\0';. X9 ?+ O+ s& z: c! H( D
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- return 0;& F% ] F1 i y& T2 m. n! r% v
- }
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/ w, z1 o# Z! V- static int writeparam(unsigned char *mac, unsigned char *stbid)# T# ]" h. u; x+ y% B; S
- {
! C" Y% V- k" g - int fd, ret;
0 M/ B! J6 a- [, b - e2prom_s_cmd arg;
, Q" Q: S! Z6 V u- ~0 g3 c - unsigned char buf[0x18];3 `: Z+ g; e6 u
9 H, ]" E( X$ A: y Q' w- memcpy(buf, mac, 6);
& ^% o$ v% |0 ^' T6 a' S) C N- w - memcpy(&buf[6], stbid, 18);
" A1 H* w U; ~% { - fd = open(E2PROM_DEVICE, O_RDWR);- k) O/ w/ M7 ^. C# `9 j5 M1 f. w
- if (fd < 0) {
6 i( q" i, b6 ~9 J* i7 v - printf("Device %s open error.\n", E2PROM_DEVICE);) E* }. z: w `1 K# d: H! J ]
- return -1;
7 f6 h) w. J/ j+ W' M - }
* [7 p! E% q( \. C4 [, H - arg.sub_addr_count = 2;
& [5 w. x# [& _4 w% ` - arg.data_count = 0x18;
w" a/ E: T& I& }9 ~& ~* R8 t - arg.e2prom_cmd_sub_addr = 0x290;& o# g1 N p1 n% R$ |
- arg.e2prom_cmd_data = buf;* `+ Y) t: z( b, n
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);& L2 Z- F0 }% e1 W2 ]; _1 a
- if (ret != 0) {1 x% a4 X' ~7 s- u& i, l4 k$ {( G$ D
- printf("Device %s write error.\n", E2PROM_DEVICE);) a- f5 Z/ F4 W2 o$ B
- return -1;% t7 a" C; V6 ~
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- return 0;4 G' }# _6 `4 K# W" M8 O* ^7 e2 |" [
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) E: ]: a. X% B5 L9 ]4 z& E- int main()" k* O) N j5 x L! V
- {' p( i1 |4 U7 x) {6 `4 q, T. q2 e- W
- char c;: o7 {$ S' ^& L( j p& a
- int i, macs[6];" L8 i; H/ H! O, ]/ l0 q/ f' K4 ~
- unsigned char mac[6];. e: F( u2 O1 f/ X
- unsigned char stbid[256];, X# m) I5 ~% h) i: q: @2 G
6 I" ]* U+ t, ^: ]- if (readparam(mac, stbid) < 0)
0 A8 K! M9 E- y$ R% V/ d - return 1;
8 s' z1 @2 Y) N5 L7 n0 z, d
7 U3 A3 Q g( R7 z6 ^4 R4 l4 _- printf("Current parameters: \n");
m1 x+ A. U5 E& ]- k- L! ` - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
2 d8 k* R3 e! p; |0 Y6 g* @2 ? - printf(" STBID: %s\n", stbid);8 E$ A# F1 Z* a# B
- . i2 g9 K: }, } X" J
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");3 M5 R" h2 F' s# q
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
5 W* m. t9 D8 G" c) `8 ^0 ]: ^ - printf("Input MAC error\n");5 G" u" l K) O) W8 r& {* T" e; i
- return 1;
+ k" s* w p7 f/ S4 K3 X9 v! }2 \ - }- p& {: P2 g5 Q9 X" e
- for (i=0; i<6; i++)mac[i] = macs[i];% Y) l# R P1 @+ {. A8 \& D) F2 `! P2 F
- printf("\nPlease input new STBID: ");6 [; A4 `" H6 n) Y
- scanf("%s", stbid);" P7 C% C" \# ]! S8 s: Q) M
- if (strlen(stbid) != 18) {
3 j' }% J& o2 G5 X" ^- Y7 g/ N4 N6 [ - printf("Invalid stbid\n");% \" \4 L3 p Q/ U1 j8 e8 a
- return 1;. b. r. A4 C1 H( H
- }
0 {% R( D6 w) i v - printf("\nNew parameters: \n");
1 ? i8 p w$ |7 f S - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);5 @- H2 Z+ o7 }/ u s
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");% ?4 t, P- W2 K7 k0 h: y6 V, p
- for (;;) {; S$ A) }) |$ O$ L5 `- h3 s
- c = getchar();
3 u; I6 V. J: o2 Z S# N - if (c == 'y' || c == 'Y')
8 ?: @* v4 F; K: @- {& G$ _5 Z - break;
4 V$ c+ L2 N" _& y% U9 Q - if (c == 'n' || c == 'N') {6 z" _) S, ]' E( r( P$ u
- printf("\nAborted.\n");
6 j: g f8 u7 t& t/ g3 Y }3 i - return 1;! }0 R6 w0 e2 w/ D' k0 ~
- }1 V" {! ~9 X8 N: v
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- if (writeparam(mac, stbid) == 0)
6 M5 c1 O' Q# F" O - printf("Parameters changed.\n");
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* K* [8 `# R8 ` i- return 0;
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