本帖最后由 0522 于 2012-3-21 23:04 编辑
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% m1 P T/ P6 W8 s! Z修改的代码早有了。到今天不会编译。
1 q7 }; U+ e& x8 i' a6 c4 G. c需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>4 C8 U1 d, ~' B% K" q" o
- #include <malloc.h>+ U1 r* Z3 ?8 M& g
- #include <sys/types.h>
9 O* [" Z8 |" z. |+ p - #include <sys/stat.h>
1 `# K0 s+ M% n - #include <sys/ioctl.h>
: ~0 w9 }) Y, [7 g# R. E - #include <stdio.h>
' i7 F; L# Y$ }! A8 G$ @2 D - #include <string.h>
4 h9 l& o- _; u* G% V) H! m3 h# g# ~ - 6 a8 W D+ B* h+ Z/ k; y9 Z/ \# A$ ^
- typedef struct {
, z s# N* J( f3 l7 V! J; L - unsigned int e2prom_cmd_sub_addr;
3 I$ [9 a; E3 O& k1 s - unsigned int sub_addr_count; z- e- ^. N M4 d
- unsigned char* e2prom_cmd_data;
. O$ T: g' r! k7 P7 U, { - unsigned int data_count;3 [$ n* Z6 o% K* b) m0 ]. _
- } e2prom_s_cmd;" J2 e4 V8 r! }
9 l4 e3 S2 x4 B- E/ Z% v- d- #define E2PROM_CMD_READ 1
3 X2 y; D% _; @* z+ }8 Q - #define E2PROM_CMD_WRITE 2
7 B6 C6 Y1 l" W" m! c2 m - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16", V8 K1 y% x+ Z
- $ Z& ]: b+ m, i( |, ]" L+ A R v
- static int readparam(unsigned char *mac, unsigned char *stbid)
c3 ]2 J9 ?' w: {0 l: ^4 J - {
' c: G, z5 l$ r" q - int fd, ret;# Y, B" @; g2 @7 R9 y; J" O
- e2prom_s_cmd arg;, @) R- c9 ]2 D
- unsigned char buf[0x18];
6 e; Q) H! T- k7 ] - & j; D- d, t" B* N0 {5 ~& t: ]
- fd = open(E2PROM_DEVICE, O_RDWR);
: h7 X1 S7 X$ j! a$ [, V6 o( J* w - if (fd < 0) {
, ?* A* r0 k$ g6 _ - printf("Device %s open error.\n", E2PROM_DEVICE);" a+ c- X9 V2 X
- return -1;
! D# \' t& [. `1 S2 W: j - }
' |4 [1 R; H( c: m' O* I - arg.sub_addr_count = 2;
8 ]. H0 m& _9 C; _6 V' h* n - arg.data_count = 0x18;3 g, Z! I. j) y! \8 U+ {
- arg.e2prom_cmd_sub_addr = 0x290;; a5 n8 z( ]! y# v# N& Q' G( D+ c- J
- arg.e2prom_cmd_data = buf;
' |: H6 Q/ F7 [ - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
# o6 V1 L5 f: ?$ W; U1 s. w - if (ret != 0) {
2 f! s+ l/ d6 c+ S, l& o( T - printf("Device %s read error.\n", E2PROM_DEVICE);' m' l1 a$ I& g. A
- return -1;8 }# E8 \9 m% R4 Y
- }# v; }5 P9 K% Z" l0 B
- memcpy(mac, buf, 6);
; M8 a" r& C$ W& z' ~8 r" ` - memcpy(stbid, &buf[6], 18);8 ]1 S$ N" B, T. X1 }1 B0 |' O
- stbid[18] = '\0';
0 N4 [( U4 w6 P1 s; l - 5 {9 j6 l( F- f; B- ?
- return 0;! K" I( ?: J0 C% i0 @
- }7 D* U' [2 u0 Z9 q
4 _% x* }: M7 |+ T# Z- u' I% E- static int writeparam(unsigned char *mac, unsigned char *stbid), C C* e0 n. y) Z; t
- {
3 P9 j# {+ Z2 v) B - int fd, ret;
* m' }: U' Y+ S, A# @ z - e2prom_s_cmd arg;
$ N8 j d8 g" U6 H7 M - unsigned char buf[0x18];
3 \# U: O$ k1 j/ F i0 o
6 i1 U- K: @: n6 @3 o1 n- memcpy(buf, mac, 6);4 J# x, Q- P% \% x
- memcpy(&buf[6], stbid, 18);
# ]6 h1 x* }1 H% t2 T5 m - fd = open(E2PROM_DEVICE, O_RDWR);
' R; P8 N, D, V- Y9 G8 m - if (fd < 0) {
* l4 ^, c- L2 Q& K+ m - printf("Device %s open error.\n", E2PROM_DEVICE);2 k3 `+ F+ @( ^
- return -1;
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- arg.sub_addr_count = 2;. t1 R6 Z: K& @: z& m3 m
- arg.data_count = 0x18;2 E" }( U5 x6 ?
- arg.e2prom_cmd_sub_addr = 0x290;& I0 R1 f) r3 g" l1 n
- arg.e2prom_cmd_data = buf;" a6 h2 q z3 c, q) E) i* v2 s
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
9 J2 W! `& L' v" v/ ] - if (ret != 0) {0 p! M/ R* D' @: o% @8 h/ O1 V
- printf("Device %s write error.\n", E2PROM_DEVICE);
: w6 [ I9 T; a: p! ^ - return -1;9 R/ C5 X) f: ]6 W J& S
- }+ q, F1 G+ L& h& Q" V- N
& `: A1 A" T, A/ F- return 0;6 M" E& w* j: `7 {
- }
5 i! l" s) F' J+ {) l& \: \$ V - 6 N. o7 [) C! `' {2 s# e- z/ j
- int main()
7 J4 v2 L8 b5 x* O) W - {
0 ^$ k" h/ P2 O0 Y7 D' Q e3 C - char c;
: U' U8 n2 t9 S4 m1 ] - int i, macs[6];
3 `2 Z6 q/ g% [- N3 F2 Z: ?! k% N - unsigned char mac[6];* H+ C3 G* I, N7 a; O2 Y
- unsigned char stbid[256];
* `$ ^. K6 V% U. _2 l
2 Y; t0 Q, P ]" S& I- if (readparam(mac, stbid) < 0)" [; o# m" e. T+ q
- return 1;( V) e, ]: }% ?' C: d! J
- + y) F2 d2 a- b0 t& @, A0 K3 l
- printf("Current parameters: \n"); y2 j+ x C( _3 y1 r7 a0 y7 T
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
$ Q+ @) i8 S: O0 P7 N) `) D - printf(" STBID: %s\n", stbid);
# Y- ], C- q0 B. i- a7 U - " P/ `$ f! l$ V3 R1 T6 z
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");" G7 R1 O2 v% L! n$ X* l& S
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {- w9 c) h1 o% M7 Q& P6 n
- printf("Input MAC error\n");! U8 Y+ d7 L& A- c4 ~
- return 1;4 @, P: `4 L4 `& u, W% ^# k
- }7 y) v( l; u8 J O" O
- for (i=0; i<6; i++)mac[i] = macs[i];
1 u; ?2 |9 K- M/ B - printf("\nPlease input new STBID: ");
+ ?# b. L5 n" F. d; B - scanf("%s", stbid);
& w! B% S. V( x - if (strlen(stbid) != 18) {, M# d) V8 n# r5 Q* G1 d3 J& n
- printf("Invalid stbid\n");! }# [4 w# I J$ f% X" M4 V
- return 1;% X) L/ Y1 H7 z
- }, c/ Y6 O/ Z I% F5 f' O% ?
- printf("\nNew parameters: \n");/ D3 Y a8 d7 Y8 M& G
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
/ T& q& `0 t/ W, t2 }8 K - printf(" STBID: %s\n", stbid);6 d: w1 m& ]+ U+ S$ @; m* C. j
- h% G- \8 L: Q' o( F8 J% F
- printf("\nDo you want to change paramemters? (y/N) ");
, l+ K9 q: R N/ K1 X - for (;;) {
1 C5 q/ V3 m. W- A- [" t1 _ - c = getchar();: d+ Y) b& F0 x. y) o1 _9 v+ U
- if (c == 'y' || c == 'Y')% E- k& Q a( y) B: u
- break;
+ W7 @# u* e. M2 V8 G - if (c == 'n' || c == 'N') {
* a* C; j" d' _2 v+ J' y$ g) u - printf("\nAborted.\n");* S% Y7 L8 ~0 X6 t4 V
- return 1;: e6 ~, H, Q% O0 O$ B7 u# h- [/ r
- }
' ~( p& C6 K: f( r8 f - }' J% l& Q. h3 O' @
- if (writeparam(mac, stbid) == 0)
+ N$ T a( n0 L9 i, l3 Z& ~# M - printf("Parameters changed.\n");
! G4 A0 N+ S. z
) h1 b, a( w+ I" C- return 0;6 n8 q+ w* ~, i( W
- }
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