本帖最后由 0522 于 2012-3-21 23:04 编辑
4 h9 }3 {. Q$ C# u
/ ?. ^" j- O% \" h; N修改的代码早有了。到今天不会编译。
: f$ c0 H* t7 k5 P' f9 `需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>* w. D6 x# X1 _0 \/ L
- #include <malloc.h> [ s/ `2 G/ g- S+ t" Z
- #include <sys/types.h> O2 V( o t! j* s! y$ D p
- #include <sys/stat.h>, w5 ~ b9 O2 O0 J
- #include <sys/ioctl.h>, @- w8 E8 F3 I( E) @2 J
- #include <stdio.h>) b/ j7 x; k: I
- #include <string.h>
" n) r1 `5 |; } B - 3 {7 n, u8 f# q. C) p
- typedef struct {
2 f- i8 N; V) K4 n - unsigned int e2prom_cmd_sub_addr;# I' }$ \7 D1 j2 Z3 I1 D! ^' B8 p
- unsigned int sub_addr_count;
: b3 g% ?9 `0 a! W' }% q - unsigned char* e2prom_cmd_data;
. L2 w' n, v3 |; m# X - unsigned int data_count;: m, {$ t0 j' X) \* g7 U
- } e2prom_s_cmd;
' f- ?$ `% ^: k; C8 X! V! f - E7 n+ @. s* t* I7 U
- #define E2PROM_CMD_READ 1
' {3 R U$ [; E( Q% _ - #define E2PROM_CMD_WRITE 2
1 E7 c8 M+ M* _& N) A - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
9 g/ O/ Y1 W' g T' K& A% `
; K* h) j. u) w( z) n- g- Z0 ~- static int readparam(unsigned char *mac, unsigned char *stbid)2 ~- L+ f6 f8 b
- {
e) a7 F( j$ q# ? - int fd, ret;
b3 P- _: ]2 U - e2prom_s_cmd arg;3 j, L& V* s/ W1 Z
- unsigned char buf[0x18];6 S% e) _3 m c J
- ' c! l' Y: I! ^! A5 @) q
- fd = open(E2PROM_DEVICE, O_RDWR);9 G& }# x8 R5 {
- if (fd < 0) {# d+ `9 k9 W3 w( t# R. ~6 w
- printf("Device %s open error.\n", E2PROM_DEVICE);
O' m" W8 u8 i) ~: [, T( L - return -1;
* |, N( T) x1 {8 P* e u7 E - }
6 q m6 |/ p* I; d: M$ C: | - arg.sub_addr_count = 2;
5 e, D8 W" k' B+ |9 l5 Y7 v- w) X - arg.data_count = 0x18;
9 ~/ X9 C4 q! R3 k# Y( D; T- Y - arg.e2prom_cmd_sub_addr = 0x290;
0 x+ m1 ^; [. _+ m - arg.e2prom_cmd_data = buf;
i' D& A3 ^% f' T9 ]7 K - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
' ^* G/ X4 d2 M+ F: x1 Z8 O5 J - if (ret != 0) {( I9 R/ P# P2 N2 l/ x: h& L `
- printf("Device %s read error.\n", E2PROM_DEVICE);* H! f; w( E& f9 P
- return -1;5 D/ i$ e( s5 v4 R; q
- }9 g: ]- p7 [& Z' g2 f$ c
- memcpy(mac, buf, 6);
8 k5 _; P0 S. Q, G - memcpy(stbid, &buf[6], 18);
. Y7 W. d& s* m - stbid[18] = '\0';# d3 }* @0 m" z0 x
- v6 [ c {9 Z( @- return 0;/ o. G: j; u5 }7 k& C3 R
- }; r/ a. ~' d4 v" q0 C# g! A
- : b+ g" u! f0 Y$ f% G7 S0 M6 }
- static int writeparam(unsigned char *mac, unsigned char *stbid)
& e2 K1 W$ I. f - {
2 _7 [: F7 X! B$ ^ - int fd, ret;. T% _1 p3 L) _; G: U$ E
- e2prom_s_cmd arg;
/ m5 M0 y$ @7 Y6 M7 H, @ - unsigned char buf[0x18];: c! I! @: n w6 W
- % j6 @! z8 O+ M2 u
- memcpy(buf, mac, 6);
6 g5 g$ k' L; d' }' [ - memcpy(&buf[6], stbid, 18);/ [5 _4 X0 @' _* j) |3 g# D* P
- fd = open(E2PROM_DEVICE, O_RDWR);
M; |. R- ]. [: J$ ?( D3 Z" G- r9 G - if (fd < 0) {/ Z, v& w1 j" z
- printf("Device %s open error.\n", E2PROM_DEVICE);% Y% a ^8 A. V4 _, ^9 h
- return -1;% S5 z4 l R4 C% n
- }
% |; `& f, S9 S% } - arg.sub_addr_count = 2;
" v/ C( }: s6 \% E - arg.data_count = 0x18;
; }; y# A- `; w6 `7 [8 x# Y* @ - arg.e2prom_cmd_sub_addr = 0x290;- e" O+ @9 W: o- H
- arg.e2prom_cmd_data = buf;8 n% y! G: x$ T* U: t4 G
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
$ t% A, [; I2 d- ?% y2 P - if (ret != 0) {: x# b6 s5 i& W# M# @5 `/ x" x
- printf("Device %s write error.\n", E2PROM_DEVICE);2 x* t# ]# N+ |# K8 H
- return -1;
h) G" P+ c9 e, j M5 g4 ~. v - }* k/ h. r' H! ^' t
- 3 L3 E; J$ {( s) [& [1 q; P
- return 0;& W$ @, F% O7 L6 d
- }8 `8 ^2 T8 ~$ O4 {3 o- h7 }+ b
- 2 E. x' Y A, @3 n" C
- int main()" N0 d& F H* I9 i) l, v% M- v
- {, K/ g4 C7 i I
- char c;
. U1 p1 j I1 W - int i, macs[6];
8 ~ I8 m6 D4 J k( n - unsigned char mac[6];/ @& \. J F6 @ n7 k
- unsigned char stbid[256];
4 ]; |4 |! H6 I- {) o
' r e0 i% c- @* j& F- if (readparam(mac, stbid) < 0)$ Y4 S( B' W8 z8 l$ G1 D' A+ R
- return 1;
( E K0 V9 \9 h - 1 i3 a* h8 k$ b) j& k+ t5 |# y- J
- printf("Current parameters: \n");% H: `/ Q" a; e7 R, z( v
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);/ ]" X/ _( |- G! M* t T7 {
- printf(" STBID: %s\n", stbid);
9 X8 p* M' A8 \) |: b% l' m$ ~ -
5 H; [" C; Y% k5 G - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");; V/ m( Y8 [6 x. S; ^; J
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
7 C! ^) G* ^3 n) E% p - printf("Input MAC error\n");
- v7 n3 A5 Z) R8 A) {5 d - return 1;; b% M1 h0 e7 ^; |; ~) T+ a0 R3 N9 \
- }5 e+ U* ]" A' k9 Q) X
- for (i=0; i<6; i++)mac[i] = macs[i];( O. T' Q4 l) ]" Z& |7 D, s
- printf("\nPlease input new STBID: ");, ^! m/ J; f) A
- scanf("%s", stbid);* A5 j6 c/ P+ {* d% U# V
- if (strlen(stbid) != 18) {
; S% D8 ^) t7 ~* _2 p" M - printf("Invalid stbid\n");1 |0 M; I; g, r
- return 1;
" Z) b- }2 b1 r. d0 z6 Z - }, y: k* L! |5 A8 S
- printf("\nNew parameters: \n");/ B4 }) ]; A$ l4 m, U
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);: U# r7 }( M4 |& Y6 n# f
- printf(" STBID: %s\n", stbid);1 G: W9 R/ p2 s u
7 }! J n$ X$ p- printf("\nDo you want to change paramemters? (y/N) ");- T x) f u5 D6 C* R% `8 }
- for (;;) {2 d% \0 G7 q) n# k# l% T9 q
- c = getchar();; K) W+ N6 K0 b
- if (c == 'y' || c == 'Y')
$ X6 K( d& C1 @: _9 }! D! Y - break;( o9 P% k3 x; I2 w( `) l$ ?2 r% W: |
- if (c == 'n' || c == 'N') {
; f) W) v8 ]% W" e! w' U - printf("\nAborted.\n");
; f' r; `- v2 c% u - return 1;! e/ F/ K$ [& n( N
- }% k9 e& x$ b& c
- }; g, A- Y9 C5 Z1 x; {
- if (writeparam(mac, stbid) == 0) . t" z1 L4 ?3 e$ _
- printf("Parameters changed.\n");8 t N8 t/ |& }2 u
- 2 q- e. H* l) z7 B% V* E5 n
- return 0;
1 ~. i }4 _; H. |1 J7 k - }
复制代码 |