本帖最后由 0522 于 2012-3-21 23:04 编辑 5 u6 @# \9 [: b c( q$ ?
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修改的代码早有了。到今天不会编译。
; u2 Q5 ~8 u3 y* R. b/ J& q需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
1 P0 ?* a- R( W" N+ W. I - #include <malloc.h>" z' g, \( S% V. x' D( {' G/ p6 H
- #include <sys/types.h>" ?1 P' e! G$ z( t
- #include <sys/stat.h>
8 z* x- H' G; ~9 L - #include <sys/ioctl.h>
. D0 b1 B2 Q, W- I0 k4 P4 p; z - #include <stdio.h>
- A" Z) e' w1 K& f! a - #include <string.h>
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- typedef struct {2 J4 {3 r9 x7 T7 x0 X
- unsigned int e2prom_cmd_sub_addr;
: _3 @" }0 U1 l. ?& o i9 d - unsigned int sub_addr_count;/ Y% `1 K$ \9 _, d0 Z3 y
- unsigned char* e2prom_cmd_data;
2 L1 H3 d& a, W, E - unsigned int data_count;8 ]7 o. m8 G5 Q7 q
- } e2prom_s_cmd;1 S0 ^ z' L' I( x9 m j7 q. s: u
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- #define E2PROM_CMD_READ 1: X6 _' l2 L! Q' b5 [9 }! c2 p
- #define E2PROM_CMD_WRITE 2
4 v7 \: R- r2 O2 w* l6 O2 F% O - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"# S( b3 i, X1 S" y" e) ?
% | w6 C6 q9 n/ H6 s- static int readparam(unsigned char *mac, unsigned char *stbid)1 c4 u7 S- S( C+ W
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- int fd, ret;
3 S( _! Q \! b+ `1 p - e2prom_s_cmd arg;
+ a& J2 V6 w, X# ~: s) c Q& n - unsigned char buf[0x18];) l* c& m5 P7 c3 n: e$ n
- ' k4 m- D% L f
- fd = open(E2PROM_DEVICE, O_RDWR);* J; [0 S. u2 n6 T9 ^2 P M/ H, ~
- if (fd < 0) {
% s$ F+ b& q7 q- O. w& w' f, q - printf("Device %s open error.\n", E2PROM_DEVICE);
$ t9 U1 _* N0 P% N" e7 D - return -1;
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- arg.sub_addr_count = 2;5 o* ?0 `" p: S* N
- arg.data_count = 0x18;
4 {; E+ P: a, s* }+ W - arg.e2prom_cmd_sub_addr = 0x290;3 B* E& n. ^+ O" P6 Z+ N" H6 T
- arg.e2prom_cmd_data = buf;
) n3 A. I2 u5 V" M8 B - ret = ioctl(fd, E2PROM_CMD_READ, &arg);- X* K( _ l% R) B' q" Y; @( {
- if (ret != 0) {6 ^7 C l. S9 t, F
- printf("Device %s read error.\n", E2PROM_DEVICE);( R Y5 \/ L- v! L; G
- return -1;- h- w; j, _% \# d& [! n. @
- }# N: h" d" M, d) i5 P
- memcpy(mac, buf, 6);
! V3 O+ ]# ?( ^# { - memcpy(stbid, &buf[6], 18);
, ~2 p+ w ?; ^- J - stbid[18] = '\0';
1 ~3 j# E9 \# ?
: P5 J/ S: _: m$ ~& k1 P+ o- return 0;% Z8 Q9 m z; A; y9 ^
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;+ `! p$ A# \5 x- ^1 F# X
- e2prom_s_cmd arg;
# V7 m# ^' Z+ Z! b; z6 l( j7 J - unsigned char buf[0x18];
7 _6 L. S+ j+ ^. N - 7 D( f% w8 \0 H2 ~1 {
- memcpy(buf, mac, 6);3 Y2 }2 p& K& f: Z% q( [5 w
- memcpy(&buf[6], stbid, 18);
( u5 c* d# P6 P7 j - fd = open(E2PROM_DEVICE, O_RDWR);2 D2 j# K/ g6 X) E" G
- if (fd < 0) {& i9 e" ]6 ?2 i% ]( t3 P5 v1 x
- printf("Device %s open error.\n", E2PROM_DEVICE);: l; ?* n, `2 f8 t
- return -1;% v! g7 Y b9 Y0 ]* S. b1 Z2 V; I
- }
5 p! M5 u& }, A) a. E. _ - arg.sub_addr_count = 2;
5 n' Y2 ?- g. q. v) m+ O" S - arg.data_count = 0x18;% b! j7 A2 u% ^$ v- r! c9 t2 B
- arg.e2prom_cmd_sub_addr = 0x290;
9 Q" [( k+ [% s9 ~3 r - arg.e2prom_cmd_data = buf;) K& @0 y4 X" E, v" O4 q
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
, x+ }# |& E4 O - if (ret != 0) {
9 o2 R$ |. V$ A) E - printf("Device %s write error.\n", E2PROM_DEVICE);
7 G: W! R; K# x, v3 T7 L& `9 R" n - return -1;
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- return 0;
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- & R& z# p7 s: x {$ b& K1 c& R
- int main()# q1 g) q4 A3 P6 R& m8 m# p! } S
- {
7 S P% E5 v, k: F) o - char c;2 |: O, g; e/ g8 ~
- int i, macs[6];$ ~7 H( K& `2 Z% h, ~
- unsigned char mac[6];
2 L2 q F- H* e$ p - unsigned char stbid[256];* r; h( O" G9 M# |. a" L3 R+ e/ n
0 m. Z M. J) i5 G2 z- if (readparam(mac, stbid) < 0)
' k$ ^% e0 ^0 I7 C- O" \ - return 1;# e6 a# ^* y: }
- . t$ f" a4 H: a" T7 m+ w* a. r* S
- printf("Current parameters: \n");/ k( ?. F6 J) w1 j7 w$ {0 X, Y
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);; H( h. D& h; W! h2 x
- printf(" STBID: %s\n", stbid);
; R4 P# Z6 a( |9 D4 x! M% z! W - & h; D2 |( w8 K: m
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
6 `. \# P# a1 S) \8 \+ `6 O8 Z - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
! O# ]2 s. F$ W0 m5 F9 |: z - printf("Input MAC error\n");
8 G. L" }3 @ P Y' ?8 E: f - return 1;! D7 e& S' V9 S$ q- |
- }
; V5 Z7 M# B( q* k - for (i=0; i<6; i++)mac[i] = macs[i];6 h4 A9 ^% |/ y- F w) n3 [* ~% W& [" {
- printf("\nPlease input new STBID: ");
% x( D. m" G: y - scanf("%s", stbid);
6 j4 Y/ ^0 H9 y# T& }$ D1 E - if (strlen(stbid) != 18) {
8 r. L* q8 ~6 e5 i - printf("Invalid stbid\n");
, R# [3 ]# g' O, _/ |$ L - return 1;5 F- }, I- y7 R e" @. j
- }
9 O1 q/ D) Q k6 [# @8 q1 } - printf("\nNew parameters: \n");
4 Y# Z- T; T9 B - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
6 ~7 J. O6 S8 ~3 K9 q) _. Z% M - printf(" STBID: %s\n", stbid);
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7 O/ j$ p3 t3 S9 J6 |# Q, U- printf("\nDo you want to change paramemters? (y/N) ");
$ C! j/ K, c% I% }; \1 B - for (;;) {
% v; U) n; c* }0 t2 | - c = getchar();' j! |9 ` b6 h3 K$ @, c, S
- if (c == 'y' || c == 'Y')% m8 {3 V, ?5 e9 G. z9 e
- break;: Y W& @: {- R3 C
- if (c == 'n' || c == 'N') {
! W3 a1 ~/ l1 @4 c! V P - printf("\nAborted.\n");
5 F& o7 v2 z6 D! E% Y - return 1;% w1 l; {2 {5 @- E! K( g. A
- }3 i' _9 i6 M' a
- }7 s! M8 K. Q7 W+ n& g3 ~6 m
- if (writeparam(mac, stbid) == 0)
( f3 ~* Z3 m# ^! H$ F2 u3 f - printf("Parameters changed.\n");
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$ h2 f1 v, M3 J+ b, L( Z- return 0; i8 I7 m) }) d7 Y. N+ ~+ V& b5 \. |
- }
复制代码 |