本帖最后由 0522 于 2012-3-21 23:04 编辑
6 \ g6 E9 R; a4 S7 ~& G0 M+ L9 i7 k! d
修改的代码早有了。到今天不会编译。
, F( q# E- P" y0 X1 [1 Q$ Y需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>/ ?/ U! }9 m5 V& ~! P2 c8 t
- #include <malloc.h>
" Y8 M0 b) j# T - #include <sys/types.h>
+ i6 U8 V9 y2 o& M) U - #include <sys/stat.h>
7 N, v1 N! e7 z6 d$ ]% S - #include <sys/ioctl.h>) z3 j; p1 F1 u) x6 A- O6 L) {
- #include <stdio.h>
' f! P2 u: [$ j( h1 Z; M# S - #include <string.h>- L& y% X4 L; V0 x
: W7 g) l, \1 L/ J! H% t* O% v) D- typedef struct {
w/ G- A1 ~" J% F9 q4 D) Y - unsigned int e2prom_cmd_sub_addr;
8 d# h0 J( z" ~: n - unsigned int sub_addr_count;
# C! w" J7 h2 H4 m0 c+ h; w - unsigned char* e2prom_cmd_data;' x' i V5 l4 L, F* N
- unsigned int data_count;4 ^7 P( P0 L8 ?! }9 L
- } e2prom_s_cmd;
: m; J7 [3 z. L6 c4 a A - 5 N! p5 k* B: r, _# I
- #define E2PROM_CMD_READ 1
, M2 g* ^& C3 K7 I - #define E2PROM_CMD_WRITE 2
8 Z$ {, G7 g, a7 G' B' { a - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
' p5 I, F5 Q7 G; O - 7 y) [6 P/ K, J, b9 ^3 _) {
- static int readparam(unsigned char *mac, unsigned char *stbid)
9 Q4 f8 x) Q6 d% \ - {6 c; E2 X! t m
- int fd, ret;
% N7 o8 h! N( g! m( Q - e2prom_s_cmd arg;. M* u+ A N8 i8 f [" A, H
- unsigned char buf[0x18];" N) ]% a* ^$ A; y
- 8 q8 S1 b& n/ N/ A2 H, `& Q7 {
- fd = open(E2PROM_DEVICE, O_RDWR);
% e2 W0 b% V5 H f$ A6 S3 R - if (fd < 0) {3 ]3 x1 J0 B( O* a) ~3 _8 m5 @
- printf("Device %s open error.\n", E2PROM_DEVICE);) n( @% Q8 w) j; j0 J# G' P- j
- return -1;* _% M0 O$ W: K' U4 T
- }2 O5 ]' m A$ v
- arg.sub_addr_count = 2;
# e0 o/ h8 P7 F4 {+ \ - arg.data_count = 0x18;2 N3 U5 ? T$ g* w$ |% w v
- arg.e2prom_cmd_sub_addr = 0x290;6 G, F% e9 X" {1 q1 V; a
- arg.e2prom_cmd_data = buf;
9 Z& Y( F8 ?/ k6 F - ret = ioctl(fd, E2PROM_CMD_READ, &arg);1 G5 S6 @4 U5 A: i, K! i4 T; R
- if (ret != 0) {
2 t* R6 R; s- [! b! ^ - printf("Device %s read error.\n", E2PROM_DEVICE);
% X9 j1 O. h8 c7 p - return -1; J. v0 z9 g( f2 T0 m
- }0 `- U( r& h7 q0 V+ a- ]# ]
- memcpy(mac, buf, 6);: W1 D! U0 p% F9 r' H! E
- memcpy(stbid, &buf[6], 18);
6 k4 C4 r8 V& i7 T2 V - stbid[18] = '\0';
2 `& K# |* w) F+ x
- ]( |$ n7 P( D1 a2 s5 ]- A0 b- return 0;
A8 E+ G# n" R* F - }
/ ?3 Y2 O& q9 k% e7 } - % h1 \8 C5 d2 b& U2 y1 `# x
- static int writeparam(unsigned char *mac, unsigned char *stbid)
3 `, u0 v# M9 w Y# V5 g+ R! E6 y - {
, \0 S$ y3 f8 w% V# }9 P - int fd, ret;1 k2 O" F1 b. L. A
- e2prom_s_cmd arg;
% |( Z( ?. S/ x - unsigned char buf[0x18];5 K Z: Z/ o/ [- w! s6 ~' G
- $ _1 ^* h" F" x5 H# H# r+ w: K$ K
- memcpy(buf, mac, 6);2 g( e+ H1 f* }% m. ]
- memcpy(&buf[6], stbid, 18);4 D M6 I- f- d( j7 d. ~
- fd = open(E2PROM_DEVICE, O_RDWR);
7 o/ U5 U2 W0 |3 C: K% o2 U3 e* i - if (fd < 0) {: c, g1 A4 P7 d$ H1 h% |
- printf("Device %s open error.\n", E2PROM_DEVICE);& S7 k' T9 Y$ j' V! |- R2 g, k% W1 Q5 C
- return -1;
& F8 r3 g" t+ T- E! y - }/ M. G+ i+ ?6 ^, I' h& m( t
- arg.sub_addr_count = 2;
; C1 x- X W2 s. D - arg.data_count = 0x18;* K: N9 v0 M. F$ U, k1 L. ?# W
- arg.e2prom_cmd_sub_addr = 0x290;
# V+ x: R, C# R$ X" V- j5 P - arg.e2prom_cmd_data = buf;
) R/ ?4 a- V/ \2 Q9 ]: I5 y - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
8 `6 L2 f0 \- T' \ - if (ret != 0) {
' \' l5 Z# C8 _* X - printf("Device %s write error.\n", E2PROM_DEVICE); D8 R3 e$ g- L5 {
- return -1;
8 } ?! Y5 | o1 X" F( {/ }/ A - }
9 ^0 X+ d8 m2 G) }8 N8 _
0 G+ n# e8 N1 b( B' ^6 |/ I- return 0;- P4 \0 _2 v+ l# m2 n
- }
% i( R1 H8 z# h% O1 s
. Y3 c/ z% u. S6 \( ?- int main(), C: [$ U, |% ], L# w1 ~5 H5 b
- {: J- G1 o4 p) g* t4 v' Z' g
- char c;/ N' E0 K, x# ^2 Q* O
- int i, macs[6];/ r! ]" P9 @* R- ?6 ?
- unsigned char mac[6];
( R% g/ v$ q. F+ r0 v - unsigned char stbid[256];" v/ k* e' r$ `% `! d
3 `0 m# e, ?9 I4 h+ M( ]+ K4 Q- if (readparam(mac, stbid) < 0)9 X. p$ H+ @; E, V( [
- return 1;
* U7 `4 y1 m' J
! L f) u, D# F% P0 {- printf("Current parameters: \n");/ Z) G' b) i6 A/ I3 p: s- g
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
' q( b2 H, L" H& \( `: z - printf(" STBID: %s\n", stbid);
9 v( D4 |: w6 ? -
4 r5 S) B. H! D |/ v4 { - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
P) Z* l& W5 }" { - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
8 n: ^) X" Q0 z7 x - printf("Input MAC error\n");
; E' D# r# J! V/ _1 u! q - return 1;8 M; O5 [8 E- x/ m; E: b) Q
- }5 g( Y: X7 K/ O7 Q/ L- C& o
- for (i=0; i<6; i++)mac[i] = macs[i];
$ L, M0 ?! z' p- q' C - printf("\nPlease input new STBID: ");
. g9 a3 o; [0 Y5 H" M! M% k - scanf("%s", stbid);1 c" n9 Z* ?4 L+ w; o% h' x2 ]
- if (strlen(stbid) != 18) {
t3 Z$ ^$ l2 i$ T - printf("Invalid stbid\n");4 k) F5 V! n5 h/ m M/ P* ~# f
- return 1;4 Z ~% P1 e5 w
- }: `$ H6 ~9 L( m7 g) Q0 p
- printf("\nNew parameters: \n");1 R/ D( k( V6 _' h& k) V; n: _2 u
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
2 g$ @4 H0 Q' u7 X8 H- q - printf(" STBID: %s\n", stbid);7 J; K% W) J: C/ \# D/ H" v. |8 N
- + Q; C4 }0 w2 O
- printf("\nDo you want to change paramemters? (y/N) ");
' r! n8 c5 a- |" J; k1 m( r - for (;;) {
" r2 O! I7 ^/ ~* B1 C - c = getchar();( f: r3 Z7 w+ h' E! D
- if (c == 'y' || c == 'Y')
$ `: N: w9 I$ r' { - break;
7 F* W% a2 y6 K. g; T - if (c == 'n' || c == 'N') {
3 A3 u6 `+ A" y- y7 ] - printf("\nAborted.\n");
# Z8 k2 I7 i, ^8 u - return 1;
1 `& m: i% G' r; ? - }8 r; a7 c i1 u( l& U; ~
- }
$ n! q7 L' [- L8 N8 K - if (writeparam(mac, stbid) == 0) 2 Q, F+ Y7 q, n) d( q
- printf("Parameters changed.\n");6 H$ W% ^! x* L) h' g2 p3 A
9 |2 i7 S4 G/ n' o- return 0;$ z: }/ K4 L6 C
- }
复制代码 |