本帖最后由 0522 于 2012-3-21 23:04 编辑 9 R; t6 ?* `( O/ a
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修改的代码早有了。到今天不会编译。' i+ ?4 ]- z; D: t4 N
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>8 h! F9 c7 ~* l" L* d, |8 f
- #include <malloc.h>
: Z' u" j/ u/ |/ _) K& q - #include <sys/types.h>5 d- ]9 _% t/ r9 j' G5 ?
- #include <sys/stat.h>
. F% Q6 R3 O* `' N3 s - #include <sys/ioctl.h> a# d" M3 D& H9 A
- #include <stdio.h>' i/ S+ o/ Y4 H, w; Z5 @; d& c
- #include <string.h>: D& _8 A7 h+ x; w, q$ U8 \
- 1 a' e. t' M9 ~% L: p, Z$ b& o
- typedef struct {5 e1 E3 Y+ m5 o7 R! Z
- unsigned int e2prom_cmd_sub_addr;) N/ D9 J3 c" d; p I9 p1 l Q! ?
- unsigned int sub_addr_count;
0 R& y* L1 F) a6 v% u5 w: C) A - unsigned char* e2prom_cmd_data;
; H4 o2 S3 h( p4 J - unsigned int data_count;
. z7 Z, _5 {$ }( U. n8 J' ~ - } e2prom_s_cmd;: W" y$ i6 M- z3 F+ J
- " m5 _# Z0 h# c; s1 C" M) m# z
- #define E2PROM_CMD_READ 1
& n( O7 N" g/ L8 j5 s6 H - #define E2PROM_CMD_WRITE 2
( y: ~2 Y. e& T- d; s1 N - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;& j/ k( X+ m9 R4 I5 o
- e2prom_s_cmd arg;. m; r1 b3 n; Z- o+ H
- unsigned char buf[0x18];
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, T. b. M/ s5 j9 e R- fd = open(E2PROM_DEVICE, O_RDWR);
) [, u H* I8 l' V( C4 @ - if (fd < 0) {
- {. z1 i _( ~; _ - printf("Device %s open error.\n", E2PROM_DEVICE);: s5 y9 F5 g/ m
- return -1;
- [9 t# M& p. @0 Y I* u - }, y2 K: S( ~" I9 Q8 i+ s$ S
- arg.sub_addr_count = 2;
- c) ?+ h( i$ g/ k, R# ]5 r - arg.data_count = 0x18;7 ?& i! b `2 C2 |: }
- arg.e2prom_cmd_sub_addr = 0x290;
0 t7 ^' @& H, J$ m1 v. V - arg.e2prom_cmd_data = buf;9 ?( h! }: @# d$ D4 h: ?
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);1 `7 |. K/ @- g. F* ?) H
- if (ret != 0) {
) o9 N" T0 ?+ F - printf("Device %s read error.\n", E2PROM_DEVICE);7 }- j& ?7 n1 W8 N: V) I
- return -1;8 @! \9 Q1 y" N- m, Z6 P
- }5 `* A% |/ d, M. \4 o9 b* y6 X' }
- memcpy(mac, buf, 6);1 W- D. E/ S, T4 p* l! p
- memcpy(stbid, &buf[6], 18);# x G. x+ j; |/ f% c
- stbid[18] = '\0';
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$ |$ s4 V0 I: e6 u# n- k9 V- return 0;1 L4 s+ g' J/ k# }6 J: T4 q
- }
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5 _1 j7 [& S, H- `# R- static int writeparam(unsigned char *mac, unsigned char *stbid)
% K1 q/ r/ `7 ^ - {
. Y |: ]5 X4 M - int fd, ret;
3 f, n. q( ?( p1 F) U - e2prom_s_cmd arg;
- a+ n: P1 v0 s5 |1 | - unsigned char buf[0x18];
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* ]2 m; @( r: J; d% X5 \0 a- memcpy(buf, mac, 6);; L# j$ o6 |6 \9 A
- memcpy(&buf[6], stbid, 18);" ?; N) u& u P% G( r+ d
- fd = open(E2PROM_DEVICE, O_RDWR);" ^4 \& V* U2 d; ^: n2 }6 i$ {) A& D
- if (fd < 0) {! }! ~4 ]. F5 E0 g
- printf("Device %s open error.\n", E2PROM_DEVICE);/ A! m2 z) N0 v
- return -1;
- G ~4 Y- R- u* f - }
1 \) Y! Z+ a1 p$ h - arg.sub_addr_count = 2;* p. B a& _8 R \
- arg.data_count = 0x18;
8 K' a& [5 r$ u/ |: R3 h* T+ D - arg.e2prom_cmd_sub_addr = 0x290;4 `: @) s2 k$ A4 N1 K8 \
- arg.e2prom_cmd_data = buf;: ]( y. i8 U3 l5 z
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);1 J4 J8 s1 [ o* L' S; k
- if (ret != 0) {
% Q) {( t1 }% [6 i$ C1 b1 W0 u - printf("Device %s write error.\n", E2PROM_DEVICE);
# j, P W, J5 I; J" p) o+ `! U. k - return -1;8 F' n8 t% N }) v, _5 \1 P: j
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- return 0;0 h- l. |% s! a8 B* i
- }
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0 L: O5 d/ `- u- D- N8 S- int main()5 J. X6 {: m( y4 _' a& g6 ^8 Z
- {/ U8 o1 b1 D% r9 Y
- char c;; g- ~0 H* E& L% F6 U' }6 w
- int i, macs[6];1 R' F0 v5 f3 c; { Y
- unsigned char mac[6];
7 j4 t* B: F' l5 Y - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
9 e% e9 m- I' T - return 1;) O+ @" f) S9 A- I% w# w
% b7 U" r; E9 L& q- printf("Current parameters: \n");+ @: C; c1 V( D- z
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);, ?' L0 K* J: g% U2 c
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
+ m! ]2 [2 d, b/ q; e* ^* a - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
* V& Y# L' N# m( q* o0 J - printf("Input MAC error\n");
1 B; u$ g6 P# o4 E - return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];7 D1 x7 U' `: @% Z# D
- printf("\nPlease input new STBID: ");0 i0 p5 E7 k' p; u$ T
- scanf("%s", stbid);
3 w/ t4 E) W4 A - if (strlen(stbid) != 18) {
4 p. d7 ?# ^! C& {8 k! c - printf("Invalid stbid\n");
' B) a* p! j2 i' I" i - return 1;
6 x1 u9 D% M' { T' W' J - }
4 O4 V( B8 C" n! T" l; y* S - printf("\nNew parameters: \n");. i: \6 l; Y' Q" j' |7 U
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);. y, e- E+ f7 h) f o0 j/ K
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");3 c `: j5 G0 h4 M! ?/ g8 A
- for (;;) {1 q: c" ]4 G! |$ `! ]3 i3 h
- c = getchar();
* @: Z5 ^0 k% y5 V9 b2 u - if (c == 'y' || c == 'Y')
1 f+ P8 G+ d) `; `/ L! [ - break;
$ \6 p7 G/ F' w3 m& \: ? - if (c == 'n' || c == 'N') {5 o1 B9 ^( U+ V5 Y" n, b
- printf("\nAborted.\n");6 P- U/ _9 o F" ~4 Z; Q5 n
- return 1;
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- }
2 O s3 D% {/ P - if (writeparam(mac, stbid) == 0) ; ~* R) Z" ?, ]; S* Z9 R- F
- printf("Parameters changed.\n");2 n, S- ?6 A# \. W
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- return 0;
6 ]+ o* p8 u7 J E/ e% B& B/ D$ z - }
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