本帖最后由 0522 于 2012-3-21 23:04 编辑 . G2 T$ R! x( U1 a# f) e
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修改的代码早有了。到今天不会编译。
2 Q; [( F( f! K; g需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>9 ^4 \% `, _* g# w, g% Y
- #include <malloc.h>
5 h$ v, d- r- R3 @ - #include <sys/types.h>8 O! ?* ~/ ~& B; l. L# Q& \. U
- #include <sys/stat.h>/ i. q8 e. v# c ]* b3 f: {; n( K1 r
- #include <sys/ioctl.h>2 g V2 ] q5 o; x7 |2 C9 ^/ t. B
- #include <stdio.h>4 ] r4 G! i1 Z
- #include <string.h>
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- typedef struct {. N( f. F# m# E- h$ P# K# o
- unsigned int e2prom_cmd_sub_addr;
9 m( s* Y- d0 i' g6 i& B - unsigned int sub_addr_count;9 F$ O$ i1 }2 Z5 g0 m
- unsigned char* e2prom_cmd_data;1 V, f+ A0 ]5 S; R5 e
- unsigned int data_count;
1 L( r" S3 h, h6 ~: S. I - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 13 B' R4 F- p3 T8 H
- #define E2PROM_CMD_WRITE 2# n3 @+ M1 h* p+ Y- l# k, {% ], H: O4 A
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
$ g% G5 h% i: ~0 ]$ w - {
" c; [. q: v8 u J$ ~4 ` - int fd, ret;
7 k2 |3 r: y5 M5 W9 E - e2prom_s_cmd arg;4 r* }3 j+ q/ T
- unsigned char buf[0x18];1 H; i- ]: O8 Z& R. }
& @0 d$ U# }' e M0 q# @3 t- S6 A. b- fd = open(E2PROM_DEVICE, O_RDWR);( {' Y, h5 Z7 e2 E) k
- if (fd < 0) {* R) C" }4 ^1 |8 b6 ^4 S
- printf("Device %s open error.\n", E2PROM_DEVICE);
3 M7 W& K/ n" y: W% l* o0 u' W! u - return -1;5 p0 U9 f6 T3 k" G/ D2 r
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- arg.sub_addr_count = 2;. N% l/ \5 W5 S# s# n7 l0 K
- arg.data_count = 0x18;
3 H7 z2 S4 H0 \ - arg.e2prom_cmd_sub_addr = 0x290;
/ w: U$ s3 Q5 e( g - arg.e2prom_cmd_data = buf;
* k5 c) E" E" F5 n - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
+ Q9 u3 {- v& a - if (ret != 0) {% @) ]% n8 ?. e- z& S$ D
- printf("Device %s read error.\n", E2PROM_DEVICE);
. _& O, L, o! h6 i - return -1;3 B, s! M$ M* G
- }8 v/ ]9 }& S# f
- memcpy(mac, buf, 6);
& {4 u" K& f: U5 F- W. C - memcpy(stbid, &buf[6], 18);, W x# k5 u# G+ S6 E" f
- stbid[18] = '\0';* ?5 ~! I5 c) {% m+ `/ a
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- return 0;
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- + m" G- h9 Y& c$ g1 |9 a
- static int writeparam(unsigned char *mac, unsigned char *stbid)# ~! u% l6 V3 U3 m( D$ W
- {
0 `& t' }2 {6 Z. e* U& J/ y; s% V - int fd, ret;; v" R8 Y& v( u6 P4 f% |4 v
- e2prom_s_cmd arg;
" ^& z4 u. i* `- ~ - unsigned char buf[0x18];
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0 X D$ W5 n, ~1 q+ m7 _- memcpy(buf, mac, 6);
( P) x" y# q: w& q - memcpy(&buf[6], stbid, 18);, e6 Z2 ?) e# N- c8 |1 c
- fd = open(E2PROM_DEVICE, O_RDWR);2 b! G: B; w7 M9 |4 U8 ?; I9 ?
- if (fd < 0) {
; B: W6 Y Q0 U( r4 {* V3 Z& ` S: B - printf("Device %s open error.\n", E2PROM_DEVICE);
1 R& `7 o V* D+ t, `+ N - return -1;% \7 z d4 V# |8 D. A4 B
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- arg.sub_addr_count = 2;7 V! R! H" [3 Q' l
- arg.data_count = 0x18;3 v9 {/ M% j8 k5 g [
- arg.e2prom_cmd_sub_addr = 0x290;$ i/ U# O5 w/ ?7 D) y) D1 T
- arg.e2prom_cmd_data = buf;
0 m( B6 g8 Z4 H2 W* V - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
( D' f% |4 S% ^* m0 N- m5 L - if (ret != 0) {
0 z8 T |2 ]0 H3 b: t: z3 K, p- ]2 ~ - printf("Device %s write error.\n", E2PROM_DEVICE);/ T" N3 {6 }0 n* y; _% [
- return -1;
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- return 0;9 o( C; i Z+ O3 a3 y- y6 ]* C7 ?
- }
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- int main(): o& |9 i3 R, O i0 {! y
- {
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9 A, F$ U4 q' [$ a" Z' G& {# r - int i, macs[6];" u8 N) V% @. X+ n+ H. |
- unsigned char mac[6];0 d- ?, K) }" {7 i$ T$ C! U) v+ K, k
- unsigned char stbid[256];& i+ |+ B7 o% W; c' _* k0 d
- 2 @6 C4 q" | `8 g
- if (readparam(mac, stbid) < 0)' ~) {5 ?) y: O7 d E3 \/ u
- return 1;* I) V* p9 w3 ~% E
- T [+ h! z3 c
- printf("Current parameters: \n");. P$ C5 M' _' j2 ^: m* m
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
* C! r e% W5 t* F1 E0 G - printf(" STBID: %s\n", stbid);$ r" j* `4 Q" ~$ d2 l
- 7 X S0 l# I/ ^% u2 W& O
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");# _ Y& d7 J5 v8 d
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {- V2 I- A- D9 d! u. w5 d* h
- printf("Input MAC error\n");
. Y0 S4 U% `& i, J - return 1;
* b/ u/ x" }4 B* L7 s) P - }
: ~1 Z8 p- K3 \( g5 V2 F/ j - for (i=0; i<6; i++)mac[i] = macs[i];
( _- m/ r* z8 s) Z1 H5 b - printf("\nPlease input new STBID: ");8 P z+ z8 w! F" \; M; o3 H
- scanf("%s", stbid);3 c; B @1 C( J$ U9 ?9 |
- if (strlen(stbid) != 18) {: M7 m0 O) c- s: y9 k$ m
- printf("Invalid stbid\n");
% k; Q& |, {, ` - return 1;# t- q$ l. P7 D5 d+ S3 _+ S
- }
/ h' J. H, p3 U) C - printf("\nNew parameters: \n");: [. L# u, I- f% E( i$ W7 F. a
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);& Y" S6 p" V: C5 M4 s
- printf(" STBID: %s\n", stbid);, N/ k) [2 l8 S0 E3 _
- d" ?) b$ f4 d7 p- printf("\nDo you want to change paramemters? (y/N) ");, a- e J" w' ~% H
- for (;;) {
2 h$ R4 F5 M3 G% S7 l - c = getchar();
( K. k' e' z1 q( x! { - if (c == 'y' || c == 'Y')
% B- o; Z5 O9 N1 J0 V. o - break;
1 H; k4 g# h L# c. V$ \8 c: ? - if (c == 'n' || c == 'N') {
& K4 [( L/ a8 S* x& z' R - printf("\nAborted.\n");
c; x. D. T4 b0 j* N: p7 n2 e$ p4 } - return 1;2 o% V$ u; _ b4 Z6 {! U' c6 C8 n; K3 X# }
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- if (writeparam(mac, stbid) == 0) / i& o. L0 x( r
- printf("Parameters changed.\n");
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+ u6 r: F/ O: H5 i0 n- return 0;% P, I6 D; b# ~; _
- }
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