本帖最后由 0522 于 2012-3-21 23:04 编辑
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修改的代码早有了。到今天不会编译。
0 F& F( q$ N. x5 ~, v需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
' }7 [/ k* A" d# M2 V! G4 v: s - #include <malloc.h>
& x0 ]- E2 D: L( J) B* x+ Z - #include <sys/types.h>9 W' W) V: e/ Z. W- n
- #include <sys/stat.h>. J; H4 T" f& |) o7 @3 B$ D
- #include <sys/ioctl.h>
- ?6 m# q7 K: L" F: { - #include <stdio.h>
9 n3 o6 B" H- t- @4 h - #include <string.h>+ L# ]. f9 T6 h: s' F# X1 A
- 9 p( N! J+ v9 K9 j; p( ?
- typedef struct {
$ {. D# B m" P. N - unsigned int e2prom_cmd_sub_addr;- N; [5 K8 g) g
- unsigned int sub_addr_count;% _& _* B" m. O- R; H* C) ]
- unsigned char* e2prom_cmd_data;
6 m) j7 n3 W3 n6 u+ z( t7 } - unsigned int data_count;! o1 I$ \1 e* o7 I- ]" G) X. s& |0 W$ j
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 12 ^+ w! ~) l& @+ ~* ]8 ]' Y, X
- #define E2PROM_CMD_WRITE 2
s# ^& \! E* m) V2 s3 E/ R - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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+ Z: l1 g/ e; U+ V8 s0 X8 O+ x% w1 g8 I- static int readparam(unsigned char *mac, unsigned char *stbid)
& }$ W4 h/ N; e1 u' Z: s# s - {
d; N. R- @2 N8 D. @% V9 {+ Y - int fd, ret;2 [/ a; {/ S+ { F
- e2prom_s_cmd arg;8 |# G! Z! q( @* `) @$ R
- unsigned char buf[0x18];
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( R/ v% r0 F0 h. Q p- fd = open(E2PROM_DEVICE, O_RDWR);* n7 z* y0 R7 V
- if (fd < 0) {
, L" i! m1 _1 y- ^5 h5 v9 | ` - printf("Device %s open error.\n", E2PROM_DEVICE);
$ G( R# Z5 A' p3 J4 b9 J/ _ - return -1;
% W& }1 p: H7 N( _% B0 n - }; U1 `/ e j j* y, Q* O
- arg.sub_addr_count = 2; B" F9 n! t A9 S( O W0 X* l
- arg.data_count = 0x18;) k4 Q0 @2 R3 D2 ?
- arg.e2prom_cmd_sub_addr = 0x290;# V; m1 q/ Z; k9 ?
- arg.e2prom_cmd_data = buf;
' h+ }) \- ^0 \3 Q1 P2 L- B - ret = ioctl(fd, E2PROM_CMD_READ, &arg);& s2 ^; v/ O$ Q! Z: H6 c
- if (ret != 0) {/ j. V3 u: U' w! _1 j
- printf("Device %s read error.\n", E2PROM_DEVICE);8 H. y: t2 d5 |% a+ d
- return -1;
+ ~5 b: E, r" d9 [4 K) B' l# g - }
0 ] ]" e* d- O7 Q7 { X0 a - memcpy(mac, buf, 6);& G) H4 p* z2 O3 r( O
- memcpy(stbid, &buf[6], 18);2 R& r3 S$ ^) K8 t
- stbid[18] = '\0';) @& q/ ]! m6 @8 n! ^$ o$ @2 U# |
- ! T: H) b5 e4 }9 K8 V
- return 0;( N( l/ p( e' y9 D% _2 h# O
- }9 D) [$ b8 _; w& O7 ?
, v; p: D7 s2 c7 P7 K5 k) A- static int writeparam(unsigned char *mac, unsigned char *stbid)
% c6 I+ B4 W0 v& q7 N: W E7 p - {
F/ R; l7 c& O+ } \ - int fd, ret;0 I) M$ W! b: F) Z* f0 _' \" a/ f
- e2prom_s_cmd arg;
/ o9 e% i2 o; V' N - unsigned char buf[0x18];! L3 A* X. \4 O p0 b$ B& c% u! o
3 s1 P2 o, X' V V6 X4 W- memcpy(buf, mac, 6);
" l+ q4 ?( |, h: V3 D7 { - memcpy(&buf[6], stbid, 18);
+ K0 y* ~! u! [6 u7 [7 h2 X - fd = open(E2PROM_DEVICE, O_RDWR);5 K0 P: B! s0 h/ q' t/ h1 e! G
- if (fd < 0) {
; h* j0 l$ H9 v' I& D6 I" s: E - printf("Device %s open error.\n", E2PROM_DEVICE);$ e( d. D# V) t3 J
- return -1;4 \7 w F5 \3 q: ?8 \2 C
- }& X, t" t3 |: I% x4 @# P
- arg.sub_addr_count = 2;; D0 f0 s1 W4 Q ?( Q! }$ _7 }
- arg.data_count = 0x18;
, X) ~9 `* V, l3 e4 b- z4 h: V2 [% M6 Y - arg.e2prom_cmd_sub_addr = 0x290;
6 c' b: Y& c _( v - arg.e2prom_cmd_data = buf;4 w# x6 g }% S4 }& E8 s. V
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
* B$ U$ G5 P- y$ }6 a - if (ret != 0) {
* b" j2 K7 c6 K0 @+ p0 g9 }# Y - printf("Device %s write error.\n", E2PROM_DEVICE);
4 d) g2 _, H$ j2 H0 f- } - return -1;5 a {. Z. |( @0 I. b
- }
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( |$ Y- n5 R8 g- return 0;" \5 ?8 ]& Z- ]& B4 V; H+ K+ F
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, B1 Z/ Z8 K& O9 O* a6 P. q- int main()
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- char c;
4 W K, s6 W. n( P4 _ - int i, macs[6];
1 q& z. @6 I4 E* O% E) J. o - unsigned char mac[6];( O! W/ p4 J z T, h7 e9 `) |
- unsigned char stbid[256];0 }, n0 x2 Y+ M
- % r4 k' B% ]* l* u0 s6 Q
- if (readparam(mac, stbid) < 0)
. M9 \. k( ~$ @( S3 I W" W( X - return 1;
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- printf("Current parameters: \n");: J- w8 f7 s: E& X. W F6 q. z* K
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+ ]8 E3 N2 [: `* K - printf(" STBID: %s\n", stbid);/ B. f5 u) Q3 F* q1 H2 E
- 0 ?- I( J% F _' Y& n1 T
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");. t7 h1 x7 }8 U! m1 `) {
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {9 X3 f: {2 T$ b9 a1 O Q
- printf("Input MAC error\n");* `4 S$ h9 V5 ~/ K: Z
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i]; S+ O% y9 z7 E& u! B' m7 Y' o
- printf("\nPlease input new STBID: ");
0 E. g3 f U+ t- M; r9 w - scanf("%s", stbid);( z: v" q# V U+ L
- if (strlen(stbid) != 18) {- v L! q3 Z- b
- printf("Invalid stbid\n");3 }+ r0 X7 }* o4 ]1 q
- return 1;
1 S' x5 y" c V; O' _# f9 t9 P x. l% B - }
) ?8 k' w( o& A2 H6 O8 G" K3 t - printf("\nNew parameters: \n");; j4 f4 J& G7 i/ p7 w
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
- u" Q" Z! k0 f6 y; }. m - printf(" STBID: %s\n", stbid);& K$ i# ?* d4 c' l! @8 U4 S/ ~
0 B" w x2 u- z5 u+ V* _. g! d0 S- printf("\nDo you want to change paramemters? (y/N) ");
5 `6 f0 ]7 I" H: }- E8 O - for (;;) {
4 B" c5 j1 S( ~7 e( v1 v - c = getchar();2 U9 V( l9 T3 L1 f0 q! n$ ^
- if (c == 'y' || c == 'Y')* g! D* v6 B7 P7 n4 V
- break;
& l/ q+ f7 @* f& O1 b7 u+ @ - if (c == 'n' || c == 'N') {" C/ g5 s0 F3 F
- printf("\nAborted.\n");
+ ?& w2 O' E# z - return 1;( f( {) O3 ~! @
- }
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- if (writeparam(mac, stbid) == 0) + M* q1 Z; q/ Q' o: } H
- printf("Parameters changed.\n");7 e$ F; ~4 m5 ?4 _2 S
1 a; i* H. y0 K- return 0;
( U* c1 C- \ c7 Y+ e4 l! f" y - }
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