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。
$ e* o5 @- @0 s' B$ h$ H7 C需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
. a4 ^/ ]+ J& ]5 s6 u- v# ~7 p3 R - #include <malloc.h>+ V* w' D8 |. G' R. L) P, s
- #include <sys/types.h>( N7 h$ M) @9 z! p7 m4 X
- #include <sys/stat.h>
4 e, @3 N2 x; c1 t2 P! Y - #include <sys/ioctl.h>
. Q, \" W' O X6 e6 d& _ - #include <stdio.h> K/ l: u, E( S8 A
- #include <string.h>( K3 q0 B7 ]% H& V @' [
- ' A! F9 I; ]5 y, ]
- typedef struct {
$ q6 h* j2 b/ D0 d+ {' F! a9 w - unsigned int e2prom_cmd_sub_addr;6 ]# f8 L) j9 `1 i7 |" k
- unsigned int sub_addr_count;0 |. G9 D+ I0 R2 U$ {9 O$ P+ w( w
- unsigned char* e2prom_cmd_data;
3 n* I1 Q/ n! P - unsigned int data_count;; j# c5 ^9 V- q
- } e2prom_s_cmd;
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1 V% S% B' N2 x( g$ u! A- #define E2PROM_CMD_READ 1
L, ? x9 P. _. l$ R3 O6 X$ f - #define E2PROM_CMD_WRITE 2
" ~8 G2 b, S, Q0 [* K, m: r7 b - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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2 @2 e* ~1 P& P ^2 m* s) l- static int readparam(unsigned char *mac, unsigned char *stbid)
( ^" H# t6 z3 f( I6 M% K" t - {
( {/ Q0 E7 H/ _7 h, ~ - int fd, ret;! C i& t! w) W# S1 \% j( W4 t; }
- e2prom_s_cmd arg;
6 u4 u: w# |/ }* b7 U2 K. ? - unsigned char buf[0x18];6 x9 W) ~: { b/ q
- |. _8 z: ~! j S# H/ X1 Z- fd = open(E2PROM_DEVICE, O_RDWR);# h; F# p9 @4 V8 j" M
- if (fd < 0) {; O% G$ K8 C' ?3 _) p6 V: [1 y* c
- printf("Device %s open error.\n", E2PROM_DEVICE);
- g8 h, U/ A1 v. K' F6 L - return -1;( ^) u( r2 f' [: Q& a
- }
" {' A' s: q) Q6 |. q+ G) ^ - arg.sub_addr_count = 2;. c0 \5 F) I. z" z, h* m- O
- arg.data_count = 0x18;
) n( w! u$ D% W - arg.e2prom_cmd_sub_addr = 0x290;
* n+ O/ ^# ]7 Y/ n+ J' i4 l: z1 X% i - arg.e2prom_cmd_data = buf;9 a! K& a$ M. h: [' ?' `
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
& e3 }9 Q3 }1 \* m" W - if (ret != 0) {& _ n& i+ u1 [1 m% u. i6 W+ T1 P5 c2 K
- printf("Device %s read error.\n", E2PROM_DEVICE);
4 A3 J8 r/ I8 p' v4 R, y2 o( _ - return -1;
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- memcpy(mac, buf, 6);
6 o6 S$ ]! v; b, U: z; [* I& U - memcpy(stbid, &buf[6], 18);
1 G( z9 o: w! D' }5 D3 m! n) i - stbid[18] = '\0';
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0 p& ^" e _9 a1 |% h; |' ^4 f# |- return 0;8 {: B S p5 \$ s* h
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- 1 t$ s' G* Q2 b5 R6 O
- static int writeparam(unsigned char *mac, unsigned char *stbid): D/ z0 d( a% r1 v4 y
- {" c2 G5 }! u* Z) m- ]
- int fd, ret;
' G6 ]/ \( H1 u& g3 ]8 g - e2prom_s_cmd arg;
) L6 p2 y7 }% s3 X% f - unsigned char buf[0x18];* P4 F4 W7 S. T& \
- $ I) T4 Y7 _% z6 o( [8 {- H+ q R
- memcpy(buf, mac, 6);
# d* S0 p; h# @. r& t - memcpy(&buf[6], stbid, 18);
8 O( o# y, h. q Y% q - fd = open(E2PROM_DEVICE, O_RDWR);2 g- y) M9 g" L6 D7 u6 y6 u, n
- if (fd < 0) {$ B& X; x4 @3 A5 _" ~+ }
- printf("Device %s open error.\n", E2PROM_DEVICE);2 I3 N: X* K5 a. G# l
- return -1;
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- arg.sub_addr_count = 2;. N4 X4 t3 V1 V4 ^
- arg.data_count = 0x18;, V P+ i- v# S
- arg.e2prom_cmd_sub_addr = 0x290;
0 a8 C1 M7 B( A4 K" x* R' c - arg.e2prom_cmd_data = buf;/ V4 K" m; m( h. A+ ]2 t
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
1 s1 X* w' `, o/ H: ] - if (ret != 0) {( z" d+ c0 x+ R- ~
- printf("Device %s write error.\n", E2PROM_DEVICE);
A. Y3 v+ l" b7 j4 z - return -1;
3 n4 J4 X2 O3 w! I - }
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- return 0;
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- int main()5 h# L# L% F3 d6 Y
- {
# }' r1 x2 Z7 V+ _- b( N - char c; `" f; s- S% W' }& u7 z
- int i, macs[6];
+ V$ \2 c9 d# O; Y7 q - unsigned char mac[6];7 C. g" d3 T) o, {, l5 y" \
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
1 K' i; V# E# t: @* j: U4 Y - return 1;5 b/ D. K m1 S6 \& S- e4 n
/ L1 U: O1 {) r( Q- printf("Current parameters: \n");
! Y7 r0 ?. Y3 \# E - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
/ e. P* [ n/ m% _! B - printf(" STBID: %s\n", stbid);0 w, {4 l; |# k8 H; D2 u4 O- p
-
, Q2 S2 k- `; P9 [ - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");# H& k& k" `% s4 F- u
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
# N/ A" Z# A9 K; n6 S5 N2 d( ] - printf("Input MAC error\n");
1 k- d: s% x1 K2 _0 f9 S' Z - return 1;( ~# D5 q1 m7 M) |4 E& s0 q
- }& E' h% x( w: @6 M, C; S: ?
- for (i=0; i<6; i++)mac[i] = macs[i];: \. y. }( w' T
- printf("\nPlease input new STBID: ");
+ ~5 l0 m' }+ i1 y - scanf("%s", stbid);
, H7 l. K. V; w; G6 K - if (strlen(stbid) != 18) {7 P1 G7 R5 M8 n5 @
- printf("Invalid stbid\n"); o. {$ ^! ]5 _) D
- return 1;; ] m; A8 H' ~2 _
- }
6 v) n0 w: @! V6 H+ p - printf("\nNew parameters: \n");* k' L; A/ S5 v& H8 T0 u2 N0 S8 |
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);( b! v6 o- M" B% x, [
- printf(" STBID: %s\n", stbid);
# o1 l# o( b7 A3 u; i
9 ^4 j' j) V0 b- printf("\nDo you want to change paramemters? (y/N) ");
8 i5 d: m% t0 G; T# l7 o - for (;;) {/ e6 v9 a9 j6 ]8 N( |
- c = getchar();
5 `. v' J$ `. R4 ~ - if (c == 'y' || c == 'Y')
' A) z( N! L: x u' P" f" j - break;& v% Z5 T+ W. c2 P- W
- if (c == 'n' || c == 'N') {
+ ^' f( S) j# |% _: g2 A" x& ] - printf("\nAborted.\n");
Z. w' \! q7 p3 e - return 1;
4 @; i, R7 \: I4 p' b - }
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- if (writeparam(mac, stbid) == 0) 7 j/ l) s$ }4 i4 |; N" E3 a
- printf("Parameters changed.\n");$ j" J/ t" ~- }9 {
( |2 ] |- R. q- return 0;
& p3 C. v; t6 ~ - }
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