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。
" `7 T6 Y, w$ x7 H需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>; r4 E$ ?1 |4 x9 x5 r2 B
- #include <malloc.h>" Y) o# q \& Z6 Y$ p6 Z8 U
- #include <sys/types.h>* q% q# U+ |: A+ h/ _
- #include <sys/stat.h>
3 ]' n! W! A* n0 [, s' N - #include <sys/ioctl.h>% S# a2 \# g7 l
- #include <stdio.h>
" B, z3 g/ E% q5 Z: G, E - #include <string.h>+ Q! H4 \$ ?% y E: R: g. i2 _
- 5 W5 X1 w$ ]% ], T# f" j
- typedef struct {
/ n9 s- I$ |- S - unsigned int e2prom_cmd_sub_addr;
6 i+ [! J) Q% G; t5 S4 b - unsigned int sub_addr_count;4 B' O- L0 F: j) c
- unsigned char* e2prom_cmd_data;
' K# e9 V) P3 F4 s - unsigned int data_count;
1 \# h/ J C8 i* T+ q! E6 h - } e2prom_s_cmd;
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$ L; J+ M) s- r- n- #define E2PROM_CMD_READ 1" S( {% W3 F" U: Q/ R c
- #define E2PROM_CMD_WRITE 2
9 \2 K8 Y5 X% g) i% o9 h - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)& n" [$ E3 M6 _3 O3 f ~1 g7 h
- {) S1 }, R5 C' M6 z
- int fd, ret;
. C N8 w k/ H7 a+ _2 {$ q2 x& p - e2prom_s_cmd arg;8 o$ s3 A0 I$ i4 I. V1 s4 d
- unsigned char buf[0x18];
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& j$ v2 g' b$ o3 s- fd = open(E2PROM_DEVICE, O_RDWR);5 d% M% m9 Z. _: T) L: h* r
- if (fd < 0) {
- ?( }2 [: Z& v0 X. { - printf("Device %s open error.\n", E2PROM_DEVICE); S3 s) J- [' M) r6 L1 D
- return -1;
& G+ h* I9 Q4 T* _ u - }
( r( L* | A! H3 l2 B. n! } - arg.sub_addr_count = 2;
1 _% v4 J% R4 m$ j+ M, S1 K - arg.data_count = 0x18;9 G5 t, ]' ?1 q% m
- arg.e2prom_cmd_sub_addr = 0x290;' A/ N. S2 l; b8 j# Y
- arg.e2prom_cmd_data = buf;
8 Y) s; D2 I% O* _ - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
8 B+ }' C \* Z- O - if (ret != 0) {
: V9 Z% a+ C3 J' w - printf("Device %s read error.\n", E2PROM_DEVICE);
1 ~5 q) B" I o- f - return -1;
; ]4 [& ]4 [: J: J( c* M: f - }
/ H4 y8 h" Z5 {9 H - memcpy(mac, buf, 6);1 l% D. B; t5 C. X3 K( z0 ]3 x" s9 P
- memcpy(stbid, &buf[6], 18);- D# W9 h E4 L2 Z
- stbid[18] = '\0';5 w2 z9 M. C& H7 T, d M5 I; Y0 a
( e' Q' I/ z7 f6 l( s, `' P- return 0;
9 T" n3 A/ _, F6 a- A2 V9 L9 A - }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
, ]$ Z6 y; Y+ j) S, r1 C* c - {+ C9 R5 p/ S" P' `
- int fd, ret;6 d5 H% c1 I/ G. s8 L6 d8 V( U: w1 {
- e2prom_s_cmd arg;* d( \% ]1 u& b
- unsigned char buf[0x18];
* f. \ e$ I+ L. ]
, o! k7 Y0 P/ J: \- memcpy(buf, mac, 6);
6 w9 G7 c7 i( q - memcpy(&buf[6], stbid, 18);/ N \7 ]3 L; ]( N5 Y
- fd = open(E2PROM_DEVICE, O_RDWR);( L8 \. q ?& e" s
- if (fd < 0) {0 q w" i5 }2 M
- printf("Device %s open error.\n", E2PROM_DEVICE);8 C* {3 V& s& S/ O' Z
- return -1;; u) U) n/ T, o( M/ O1 J
- }. {% Z4 B* r8 [3 A$ y
- arg.sub_addr_count = 2;( B/ H8 w m3 z$ f- t" r: H7 \
- arg.data_count = 0x18;7 j, V3 r* R0 c) f. {: W
- arg.e2prom_cmd_sub_addr = 0x290;% a5 j+ x+ o$ i% \8 D
- arg.e2prom_cmd_data = buf;7 u( m u# W G9 M* ?$ Y' y3 B: v
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);& P1 h7 p3 U- B6 N: D- Z
- if (ret != 0) {; K2 S3 H: D5 k8 a0 k
- printf("Device %s write error.\n", E2PROM_DEVICE);
- _" V/ N s# ^4 c7 I! i - return -1;
8 P% v9 i1 I4 ^% [& e - }
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+ m9 ^+ ]! t# ^1 j- return 0; U& d. x3 v& |. t
- }
- U- W% p4 U+ Y3 M2 j5 N# C
$ ?+ X Z: _4 E- int main()8 C B) D& w5 {3 j2 c. {
- {
) ?+ v. j+ j$ t {; u( U( M* ? - char c;2 S) n: h( F: S1 e1 p
- int i, macs[6];; W( Y5 B8 F2 U3 S$ ]
- unsigned char mac[6];; p# V% m2 j7 H6 e) N
- unsigned char stbid[256];4 G# \" U. w8 K4 b
- 7 H4 U4 n" V7 ]. G: {) h
- if (readparam(mac, stbid) < 0)9 ]/ Q4 _. ? Q& t: {- r
- return 1;- l7 E/ U0 O: M* j2 v5 ^+ Q. E) S. }
5 ^( n. T1 \( q3 w3 |& \, h- printf("Current parameters: \n");
# A' |8 u$ U& R. x - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);' M; k) `0 _, S3 \ o. @3 V
- printf(" STBID: %s\n", stbid);3 {5 K. A# U. b/ ^% ?
-
3 j: G V9 d; h; H0 s - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");& a9 R- G# V! S2 H
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
. D+ w4 c2 \4 @, p& S" l - printf("Input MAC error\n");
' M( y% E D) x6 a - return 1;. s& e! A9 j. |2 R* m5 y* g
- }
# L q) G8 ]$ h* V8 G( Z+ j! r - for (i=0; i<6; i++)mac[i] = macs[i];
7 f3 t8 y% J4 | - printf("\nPlease input new STBID: "); ]" w! q R! c8 z2 A* @
- scanf("%s", stbid);8 |9 F4 q4 B8 e$ K7 }2 a- J6 _& J B
- if (strlen(stbid) != 18) {
9 L+ [* \% Y+ |) U% l/ l ^* G - printf("Invalid stbid\n");8 R9 S, W+ p3 `$ Q; J5 s+ o' G D
- return 1;
: m. J# H; z7 x C - }
: L( z" o7 J2 d) M4 r2 | - printf("\nNew parameters: \n");
n3 l( @3 G S" y4 T/ ]3 |; y - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
! n# A2 E; `$ b+ L& w9 c - printf(" STBID: %s\n", stbid);( D5 b6 R3 _) y: y0 |2 s/ }
- |. l! O- i. }" u3 M
- printf("\nDo you want to change paramemters? (y/N) ");
# c8 S8 e3 V5 W. D( ^$ r4 j) [* E - for (;;) {
& F* \; p6 L X: S' ?5 ]* E - c = getchar();+ x) t: R4 o( N6 f0 k, l, i
- if (c == 'y' || c == 'Y')7 {" V# E, u' Q- C3 {
- break;
$ ^- r$ H# Q" T/ q% k- i4 E - if (c == 'n' || c == 'N') {+ {8 d4 \/ `. m* c
- printf("\nAborted.\n");+ u T" j- z/ b( O! T5 J6 u
- return 1;
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- }# V0 @5 y& |5 }0 G0 ]
- if (writeparam(mac, stbid) == 0) % c+ [! Y- V f7 x: y6 l- S3 u- j
- printf("Parameters changed.\n");* H$ _# a) m$ X
- " I2 }- g+ \( g5 n8 I7 i9 w. {+ r' x
- return 0;" M: g2 F7 k' t7 T3 f! C
- }
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