本帖最后由 0522 于 2012-3-21 23:04 编辑 * v/ P d# ^2 g( {) d6 n0 ^
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修改的代码早有了。到今天不会编译。
! k/ ?! d5 `* m( J需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>0 U6 b+ @1 o; N$ Z" L
- #include <malloc.h>- t% l% }8 e; y9 Q2 U8 E h+ y" G
- #include <sys/types.h>+ R5 Y8 Z3 j6 [0 C
- #include <sys/stat.h>
8 D a8 @ |% [0 v - #include <sys/ioctl.h>
* K. V. e+ m; h* `5 F - #include <stdio.h>, U+ V& k. k2 V6 w0 L: I
- #include <string.h>$ L, S# a- q% M) u& H- w
0 ~$ e& o. _) R) m! Z& U$ ?- typedef struct {) U8 q, h. Y: Y; L0 m( w, U
- unsigned int e2prom_cmd_sub_addr;
& ~* ?) d- V0 q0 V+ }2 p - unsigned int sub_addr_count;0 f* J; B' V9 c# @# K
- unsigned char* e2prom_cmd_data;
: `& B- u3 K; k: v - unsigned int data_count;
7 f6 f6 ^- \0 E. @. k7 c& Z - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1: L C6 ?* X2 ?6 x' q. H' C: k
- #define E2PROM_CMD_WRITE 2
2 ^$ a; g* o' V- V- L- [9 H4 @* h - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
6 [' U- d& Q& f! J0 ]" ^
, o% u) w% R+ c' }, g- f- static int readparam(unsigned char *mac, unsigned char *stbid)) W. ]6 f0 z- C2 v) D; n/ G; P3 x
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- int fd, ret;
: {7 c# t# v* z2 l - e2prom_s_cmd arg;
0 w' L& ~2 Z- o - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
' d) L; w% g5 a0 G - if (fd < 0) {
; ]+ g+ c0 ^2 l7 D$ n. c# A - printf("Device %s open error.\n", E2PROM_DEVICE);% X# s, f" f2 ?7 ]- @% [( H
- return -1;
7 Q7 Y& ^2 j+ v. B! d& ] - }
$ s0 {) N1 B$ K1 S( L T4 H - arg.sub_addr_count = 2;4 S. f" E) l; @: F% G. q- s
- arg.data_count = 0x18;
) [1 y/ I% S' P- k6 z: V. q - arg.e2prom_cmd_sub_addr = 0x290;
( @; N' c% `# ]( C$ l/ w+ l8 j! q: c - arg.e2prom_cmd_data = buf;
) h% |1 L j4 n& s6 w9 |) O$ t9 V - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
. J4 p2 h9 r8 j3 ?7 {( X/ h$ b - if (ret != 0) {/ _5 ]6 K4 W, r& }' b, ^
- printf("Device %s read error.\n", E2PROM_DEVICE);
$ l6 M' ~# V' o" z8 ~: s8 ^" C - return -1;
& X) e( Y" \/ V0 l- k2 g8 @8 z - }
' `/ c0 Z: }6 E) \" f5 A( g - memcpy(mac, buf, 6);% p9 _7 ^+ u, {) F. U6 {+ G: w+ f1 h
- memcpy(stbid, &buf[6], 18);0 T% _. C! i- f: X
- stbid[18] = '\0';
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- return 0;
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- + `' N$ d5 h6 k% R- U
- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
3 q+ J0 ]5 ^8 y# Z5 {2 Q: H - e2prom_s_cmd arg;' k Y7 E& D9 f; n' G8 `9 \# h
- unsigned char buf[0x18];% l Q8 |! j8 I3 x" Y$ K
0 ^" d7 q5 v7 n; D! t0 |& M- memcpy(buf, mac, 6);
5 q9 ?& d4 \ \7 k q& w$ K - memcpy(&buf[6], stbid, 18);
( ~9 b( h* O. x2 g - fd = open(E2PROM_DEVICE, O_RDWR);& s% I9 e: ^8 [1 A1 v8 E. @
- if (fd < 0) {- Q" R+ y6 |0 z
- printf("Device %s open error.\n", E2PROM_DEVICE);
. @: c. d! O/ b: u3 a/ p - return -1;
, P6 U9 {6 L# U8 p0 Q& Q! b - }& t3 D; K3 I! H" i4 b
- arg.sub_addr_count = 2;
* ` r7 S) \) L0 K2 \( ? - arg.data_count = 0x18;! [; g% ]+ E' n! f& `
- arg.e2prom_cmd_sub_addr = 0x290;
. `2 C- F+ T* ?$ A% F2 O* l - arg.e2prom_cmd_data = buf;7 n0 s8 Z U$ [
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);6 d, p3 I) E4 a/ x) ]$ F" P
- if (ret != 0) {
/ {& d9 V& Q j6 H0 h - printf("Device %s write error.\n", E2PROM_DEVICE);( e& {% A( T/ n! p! T
- return -1;6 z* z6 C) J2 H) J
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' E/ x( j8 F9 M; H w* ~8 x- return 0;( A+ X: A, g6 W6 w' Q$ O- b! @2 w
- }
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- int main()8 c$ t _3 `3 E9 z8 S' \- A
- {
! S6 S' I. b1 \& d) X - char c;" P+ f) |# \' D. m$ z
- int i, macs[6];
, b! x6 ?+ j, i5 N0 r$ Q - unsigned char mac[6];
3 t) P* D7 M K; t - unsigned char stbid[256];6 n+ R* m8 f% K9 g* E
- & u, A$ D) \- \4 j
- if (readparam(mac, stbid) < 0)' V" n: {. |% t( p' Q0 O
- return 1;7 ]# J! R% s5 p+ t0 V; t1 e
- 8 D+ J' W! X$ z. t) |+ X) o2 f
- printf("Current parameters: \n");
+ L3 z6 U1 u* D/ {# c2 K( Y - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
% G1 L9 C: R7 h - printf(" STBID: %s\n", stbid);4 ^, E, J; W; `+ Z# [2 t; T8 H
-
$ H4 ` B9 W7 }; g4 V. ^- A - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");2 ~( u# p, t3 Q. w
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {+ ], `( m/ I9 y
- printf("Input MAC error\n");
: D& a3 o+ L" _+ q7 q H - return 1;
, \! m# c0 B4 n8 X - }
7 |( o& _% h/ V - for (i=0; i<6; i++)mac[i] = macs[i];
8 y. Z# m: E, o6 }7 `; L) @ - printf("\nPlease input new STBID: ");5 [$ |- `9 h L5 ~- }
- scanf("%s", stbid);
4 |% E% Z; N9 m% z% u4 {2 f$ F - if (strlen(stbid) != 18) {
# m3 P7 I( ]! v. z1 n - printf("Invalid stbid\n");
8 ?' ~( X# {* G' K6 Q% l - return 1;
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- printf("\nNew parameters: \n");
+ m t# S7 ]8 h7 E% ` - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
8 L: J, i1 U2 G0 i8 R& w, M4 z/ T - printf(" STBID: %s\n", stbid);4 {0 ^* U# P4 W8 Z8 C6 P& g* q: W
- . a+ P1 _) }8 T0 A, l
- printf("\nDo you want to change paramemters? (y/N) ");3 E5 H2 I! b' t+ W/ ~4 r k
- for (;;) {5 t* C% o" @: p( o# G" w3 ]
- c = getchar();& p6 _9 h9 i5 z9 A2 i
- if (c == 'y' || c == 'Y')
6 e3 p, e+ O M- u" W - break;
$ V/ ?) ]. g4 A2 b! |. p - if (c == 'n' || c == 'N') {2 u! _) ^. Y) C+ z0 C5 U) ?
- printf("\nAborted.\n");
0 k2 s- G& f5 I8 R4 _: p - return 1;
1 y& |' h5 l9 h7 s4 Y - }: u6 M" k" W3 {1 z. o1 `3 Z+ v6 W
- }
4 y; o+ N/ W' s+ c - if (writeparam(mac, stbid) == 0)
* q4 ^5 r' f b' i$ i3 K - printf("Parameters changed.\n");6 [! C9 C8 g' {/ I$ J% |
+ h4 T6 ?- T/ |9 q6 }1 ^: X- return 0;
1 g6 P0 ?$ A% d) P - }
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