本帖最后由 0522 于 2012-3-21 23:04 编辑
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修改的代码早有了。到今天不会编译。& \# ]4 b+ h* G$ G5 T
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>+ b% a4 ~9 n2 e
- #include <malloc.h>
4 f6 {/ P5 ]2 r$ i: F - #include <sys/types.h>
$ M H! Q0 @" w; H& g$ a - #include <sys/stat.h>3 Q" Z7 u1 i6 `3 {- Y( [
- #include <sys/ioctl.h> E( J8 T# U" C$ L# r
- #include <stdio.h>: n; V, {1 R" S+ \
- #include <string.h>: I6 S5 Z3 X- Z9 b* p
- - g, Y% p( Y& H' _% H& \9 B
- typedef struct {
- C: W& X- F1 r1 T4 n Q" X - unsigned int e2prom_cmd_sub_addr; w7 k. d9 ?5 c! l: }: G
- unsigned int sub_addr_count;
3 j* T4 v' H! [0 X! a8 K ? - unsigned char* e2prom_cmd_data;
/ [) t6 r6 L1 U1 F3 j - unsigned int data_count;' n! k$ t R( \
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1; |1 E {1 d5 A+ @' W! K' n) |
- #define E2PROM_CMD_WRITE 2* Y# Q6 C' p: r6 `1 r
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)- S& u5 N# u6 r3 K8 d/ x3 w
- {
5 _8 p+ w: r7 V; t - int fd, ret;" V! F, d7 P: C8 z
- e2prom_s_cmd arg;6 X. M0 r' C+ r( V5 O7 m$ x# ^
- unsigned char buf[0x18];" ?2 j4 W, U( q0 w5 p& D
- ! U. l; U5 k# K+ s9 O: w
- fd = open(E2PROM_DEVICE, O_RDWR);5 G! C4 m" B* e6 O2 C0 ^
- if (fd < 0) {$ Q2 [0 b8 k; M! D% f3 v; l/ F
- printf("Device %s open error.\n", E2PROM_DEVICE);+ X; }+ g5 Q. L9 g
- return -1;0 P; A% s$ x% e1 ^" e5 {% G2 K
- }
+ `0 M' ?, `# G$ k0 S - arg.sub_addr_count = 2;
5 d5 j: M, P& i6 Y' W& q \ - arg.data_count = 0x18;( g/ }, h8 k! T1 U) ~' T
- arg.e2prom_cmd_sub_addr = 0x290;6 f3 c0 \) n4 _( K [
- arg.e2prom_cmd_data = buf;! }, D% E J: }% h. ~3 r
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);8 ~4 m2 W4 M: M9 e: @9 ]
- if (ret != 0) {2 M* `& c6 p. ]. e* J
- printf("Device %s read error.\n", E2PROM_DEVICE);
+ \$ B: P/ D& S* @( @) [+ s0 D - return -1;8 Q* _; b# f; j/ G0 [+ P
- }' M& H6 f0 ^( o+ B( @* y7 v
- memcpy(mac, buf, 6);
- u) x [, n% A; w0 [ - memcpy(stbid, &buf[6], 18);. R! Z! r4 f, @) c
- stbid[18] = '\0';+ S4 J: A' D2 K
+ e' x7 Q& G) K9 e( \9 X- return 0;
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- ) ?8 T4 I2 R0 p5 I. r
- static int writeparam(unsigned char *mac, unsigned char *stbid)
+ X& B9 y P# s* _7 G - {
2 e5 I& v# ~ Q, k1 i7 D: l" F - int fd, ret;
0 g M$ J) h( Q; `( L+ P - e2prom_s_cmd arg;# w$ e: Y& j# i J8 q: ~7 b
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
* G7 E; Z7 d! h1 b - memcpy(&buf[6], stbid, 18);/ ^" ?9 ~/ w- M0 v9 O. w
- fd = open(E2PROM_DEVICE, O_RDWR);: |: V: i$ l* B5 z3 N1 j
- if (fd < 0) {
6 r4 M4 J0 E7 m7 t6 K) a: C - printf("Device %s open error.\n", E2PROM_DEVICE);
2 i9 u3 m9 @8 @7 Z - return -1;* z+ b* f/ R: q' x6 U
- }3 T' }4 ?3 M* `* r
- arg.sub_addr_count = 2;) Q- T) x9 ^+ ^* w
- arg.data_count = 0x18;
5 }! [9 O1 z+ K - arg.e2prom_cmd_sub_addr = 0x290;
% \2 F/ N! [8 k" M, V/ f - arg.e2prom_cmd_data = buf;
6 k' h T& H) m& N" S - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);) ?9 {1 k* U$ g( Y! U5 g, K% K
- if (ret != 0) {
% [$ w l0 u2 A) m, p - printf("Device %s write error.\n", E2PROM_DEVICE);
3 X* K- a6 ^- }! E7 _ - return -1;
' Z& P" ]- Z" B7 A8 I. H6 ^& W - }
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- return 0;
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5 |7 X+ ?& }5 X! j- k/ b9 d& i! J- int main()
9 @* U; }( ?2 H7 \, a - {
% ~, c. ^$ O5 q. L - char c;! `1 u, ^8 o& d: Z4 I
- int i, macs[6];% I) R) Q( F. u/ l2 D7 ~
- unsigned char mac[6];5 g* x6 D* |' J0 x o0 U5 a
- unsigned char stbid[256];
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# ^! E4 ^1 n% P! S8 i- if (readparam(mac, stbid) < 0)
2 ]. ^( P# g% F5 V+ Y) a+ ` - return 1;9 d5 ^4 A1 `! h2 V3 ?' K! {* K
% X+ | H, O1 n& H0 r4 j- printf("Current parameters: \n");
- }5 c# V% X7 p! a ~$ e - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
' [6 s. o$ }; W; K( K* d5 V Q - printf(" STBID: %s\n", stbid);
% n+ \1 h2 e) `3 L -
9 n4 y. L$ R+ v- l/ Z - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
7 e# J6 [) V* m4 O" f - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {) x, E$ n2 _5 u/ R' t$ C2 p" c/ m% Y. j
- printf("Input MAC error\n");
5 d+ ^) t @+ b2 s1 | - return 1;
4 u! `, X S# T& R5 ` - }1 F$ g: }0 w& I; d- l
- for (i=0; i<6; i++)mac[i] = macs[i];
/ e9 F& k% |" I( |0 X+ o% [* W - printf("\nPlease input new STBID: ");7 w" ?+ ?0 b$ v
- scanf("%s", stbid);/ f8 A& W5 N% U$ v1 `
- if (strlen(stbid) != 18) {7 w+ N( J0 Z0 k3 \6 |) r* n. p" y2 y
- printf("Invalid stbid\n");2 o5 b: h0 V, d
- return 1;
7 I& D7 S5 B8 S/ V& m, O h" z; Q2 q - }
0 @. s! |) [) u1 H: f - printf("\nNew parameters: \n");
; p W; `: w. M0 _2 ]# n - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);: i. F" D" q1 y
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
$ H6 p* } g { - for (;;) {9 w) H, f. s. _# B/ ]0 l6 e( [
- c = getchar();
1 u. |0 m& b/ K* ^0 \ - if (c == 'y' || c == 'Y') @. t; J7 G: n$ O! O, G# D
- break;
' L6 s# i: e' q5 ?7 @0 W" C - if (c == 'n' || c == 'N') {2 p- ?1 l; R0 Q$ T; ^
- printf("\nAborted.\n");5 Y, l, k; N0 k& i
- return 1;
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" t; a, @0 @& K' N; } - }
8 L& Q" k, d: q. d0 Y- J - if (writeparam(mac, stbid) == 0) ! U/ D+ \5 Y+ m: r/ m" T
- printf("Parameters changed.\n");
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- return 0;2 ?# @/ Q# M* \) ?
- }
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