本帖最后由 0522 于 2012-3-21 23:04 编辑 ) j& D7 Y& ?# y7 M" n
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修改的代码早有了。到今天不会编译。' c/ ]# K# D1 W' t. C% w B
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
0 o& ~8 g* l+ W5 m" \% W7 h - #include <malloc.h>
8 e* w3 Z7 p e- _2 T - #include <sys/types.h>% n# p" w- h( F$ E
- #include <sys/stat.h>
) f& j; w1 L3 M) X( o j - #include <sys/ioctl.h>
5 k# }! h& n# T% @; n - #include <stdio.h>
; S) W% |" k, V" ]% ]9 Q) x - #include <string.h>! B# l" a0 ~2 e( b
- 4 J( f' \. {4 C- o! ^
- typedef struct {
: J- u9 n m( K' _# O+ T - unsigned int e2prom_cmd_sub_addr;
4 k# G' k/ O( Q8 B5 l+ A' e! e2 U - unsigned int sub_addr_count;
, \. h& ^8 R1 @* i - unsigned char* e2prom_cmd_data;' C' L1 n2 t$ s5 C: B
- unsigned int data_count;5 W/ }0 ]* f/ X# y# Z( x
- } e2prom_s_cmd;
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0 t% _7 P8 I8 C/ N3 h5 q1 J- #define E2PROM_CMD_READ 1
$ E" \# [% v- U/ H - #define E2PROM_CMD_WRITE 2! u$ h: B0 K: `- |2 o
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)) g1 @2 E% }3 \6 A) A
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- int fd, ret;* U0 G' p& ^! b0 \/ {% ?0 i
- e2prom_s_cmd arg;
( n, Q: F; x$ Z - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);" Q) o5 D% ?; N
- if (fd < 0) {. H9 `' A2 E7 P& X6 J" y7 S
- printf("Device %s open error.\n", E2PROM_DEVICE);
7 q, b/ `8 X3 w. ^- s5 D - return -1;
. \8 f! b6 j1 V; D0 A - }
$ x8 |2 A& N' P: W7 a$ r: s - arg.sub_addr_count = 2;
8 Y, N% u" G! t- Y. u - arg.data_count = 0x18;
1 r. j! ^2 W P9 \/ T6 J/ w - arg.e2prom_cmd_sub_addr = 0x290;
L0 Y3 C% P _/ r: S- w- V( ^5 \ - arg.e2prom_cmd_data = buf;
0 U! t7 F/ T5 {$ r - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
) K- u1 \+ I0 P5 | h' K$ M - if (ret != 0) {
/ ?) E, @+ T0 b. Z - printf("Device %s read error.\n", E2PROM_DEVICE);
5 p! o0 _+ G* k# F7 m; S - return -1;+ G: f* h9 L. Y2 r4 g) g4 K
- }
/ x0 n' g# o8 O- Z - memcpy(mac, buf, 6);
& u3 @+ v1 R4 v" s) J; W - memcpy(stbid, &buf[6], 18);
; H; ]/ x6 Q0 L. r1 z$ V9 [/ W - stbid[18] = '\0';5 K8 m7 |1 y. J. K) T' ]# O
$ I3 T7 {" u; `" _- return 0;
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
% N8 i4 N7 @( P& w5 z - e2prom_s_cmd arg;( F8 X1 s5 V' o9 y' X3 k
- unsigned char buf[0x18];, v) i K7 I; M9 O8 `5 S, s% i
- h9 ?/ [" ~3 D0 _8 z- memcpy(buf, mac, 6);' Y* d0 q+ |( W
- memcpy(&buf[6], stbid, 18);: x7 e: }* |9 h9 _, u
- fd = open(E2PROM_DEVICE, O_RDWR);
) p# N: P) k: i% x9 ]. J - if (fd < 0) {$ P/ w; _( a0 V: q9 \
- printf("Device %s open error.\n", E2PROM_DEVICE);3 W+ Q( l1 b8 D# `; U8 n' K+ r: _
- return -1;; d2 X' i' `+ V% m% ~! m) I6 B
- }
0 ~' A# u% ?; ^; V+ L - arg.sub_addr_count = 2;* l/ Q! T% @" e, ?. e2 F( ~: i$ l
- arg.data_count = 0x18;
( B. K3 S6 g! i, ` V1 U% \5 F6 |; s - arg.e2prom_cmd_sub_addr = 0x290;) J/ C1 q: l; P% w
- arg.e2prom_cmd_data = buf;
/ U7 A# y. L1 f+ X3 B - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);0 j0 N) u. P& e
- if (ret != 0) {& M T2 l3 `, R2 [& }, n( P1 v
- printf("Device %s write error.\n", E2PROM_DEVICE);+ A" j M7 e/ o6 d8 e
- return -1;) [- H$ o" D4 W: L2 D6 n E1 e
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! M, s7 N1 D- k* `! T- return 0;
) i! ^; K% G" L - }
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- int main()
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% Y7 m7 C; [6 g& v0 ?5 r7 b - char c;. ?; _: R& X# i' o, {9 {( @
- int i, macs[6];" X4 n2 r/ M3 c
- unsigned char mac[6];
) o( z7 v& g, c$ _ - unsigned char stbid[256];! e# E- r6 V9 A" a8 K9 R2 h6 ~) v
- ' R# Z' d9 e3 O4 n6 R4 y
- if (readparam(mac, stbid) < 0) S$ Y* g9 I+ o8 Z! Y* r; |/ n
- return 1;) u( O7 t; K* o5 B) Z3 I0 }
/ I8 l0 a i$ ~* `8 @- printf("Current parameters: \n");/ A3 b$ l7 N2 k
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);4 h+ [ V2 h& U
- printf(" STBID: %s\n", stbid);: d/ B# Z2 o/ q& q) `6 Y- M
-
- k. e/ ?( z% N1 H# U. R - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
7 J l0 J8 Q5 `/ ? - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
& Y& ?: g- c2 f' o4 f; s2 ^" W3 W2 k - printf("Input MAC error\n");' S; Y. y2 x( v# E C; |
- return 1;& m8 k5 L- R9 f
- }
* _6 d7 b1 z7 h- |* J - for (i=0; i<6; i++)mac[i] = macs[i];
8 b- N( {, w3 o' w1 A( ` - printf("\nPlease input new STBID: ");
( g. h0 m0 a! Q: q! U- V% i - scanf("%s", stbid);
2 B8 [4 _& @9 q- f# o - if (strlen(stbid) != 18) {
) o8 h- W- r/ I3 U6 R, y - printf("Invalid stbid\n");+ a: W U! _0 J# Q1 G( j
- return 1;
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- printf("\nNew parameters: \n");
4 a/ W! `+ O! N/ Y0 y - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);3 i5 k& B6 t% G1 Y0 _) N
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");% I' f) B- S+ J7 E# {+ a' \
- for (;;) {; Y$ D& t+ O+ O" r3 b
- c = getchar();
) ~; I4 l# ^% A+ { - if (c == 'y' || c == 'Y')
! Q- m; V: m z+ X - break;
0 N8 V @7 z* D# q. P - if (c == 'n' || c == 'N') {# k+ u" F8 M0 P0 G+ K( r
- printf("\nAborted.\n");
0 o1 g4 }+ _% u - return 1;
+ `3 R. c5 E7 k6 _9 ^1 k6 s. o - }
5 I" f: t. g0 \# @" e: W. d' z - }
) |/ _- E- }% k - if (writeparam(mac, stbid) == 0) : C2 l2 Z1 j a& |; ^
- printf("Parameters changed.\n");) I7 {4 D1 J+ r4 A$ T$ j
- ( E- \0 \& |4 t: P. g0 f' i
- return 0;' H3 _- C, q/ { ^1 M) }# [
- }
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