本帖最后由 0522 于 2012-3-21 23:04 编辑 % `7 S$ I8 ?4 g9 |; E
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修改的代码早有了。到今天不会编译。' F) g% q% V; r( D% i
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
7 p3 g% v/ E3 x4 m* \) m - #include <malloc.h>- _8 j( |" a9 h' d$ n- ]' j
- #include <sys/types.h>% c" q& U6 S: m: [ \: @
- #include <sys/stat.h>
3 S8 l7 ^2 A& c( D - #include <sys/ioctl.h>) n R }3 u- `9 r# I! [& }2 M
- #include <stdio.h>; L6 M: v/ C5 b/ \4 O' `6 M) [
- #include <string.h>+ | r0 e! ^0 |8 e1 q w; G
1 A! P9 I) ]+ D5 |6 p7 L- typedef struct {) P; k6 F* z/ O, i7 Z; m- l; ^
- unsigned int e2prom_cmd_sub_addr;
* h, g* I8 m: }# I - unsigned int sub_addr_count;
- o. L! w0 l$ j5 Y, t( G# [1 ?. \ - unsigned char* e2prom_cmd_data;7 x& k; k/ K% F9 ?* x& |
- unsigned int data_count;
8 n# Q2 p0 S5 }' {! ~ - } e2prom_s_cmd;8 r8 a% K, L3 `" w0 S, U
- & P, i+ _2 j! R* U$ E" q
- #define E2PROM_CMD_READ 1
u( ^3 @4 A" Z+ n7 h - #define E2PROM_CMD_WRITE 24 ] R0 ^& T9 M' @9 |% i H) v
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
3 q+ b0 ? h2 ? a - {
+ E( R- Z5 M z% n) q- i - int fd, ret;
9 S' Y. W8 {% c - e2prom_s_cmd arg;
, ~1 B5 W9 A9 V) ]" l - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
C" @( r* N3 B) A& R! n1 V l - if (fd < 0) {
5 u0 ?, p) q( F) d, }$ Q4 W2 d - printf("Device %s open error.\n", E2PROM_DEVICE);5 z( w& G2 N+ Q. A5 e8 W
- return -1;2 _% ]6 ]' {* t% {9 ^- c
- }
( ~: I8 h4 o( d- L3 z8 n - arg.sub_addr_count = 2;, }0 n6 E+ |; q$ ]' O$ E
- arg.data_count = 0x18;
; h, }/ w8 W0 x! u4 ^. P - arg.e2prom_cmd_sub_addr = 0x290;
2 k3 F! _/ @) C* T* N4 w* m4 m - arg.e2prom_cmd_data = buf;# ]) z8 k% t- g* c5 Q( o
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
- h0 m3 ~! }$ ^ - if (ret != 0) {: E7 Y. \/ q8 a. h+ G9 d
- printf("Device %s read error.\n", E2PROM_DEVICE);
1 C9 v$ q: d, u9 r - return -1;5 G. X9 W% ^' Q! m, p e/ P8 g+ ~- L" r
- }
. w+ X( N: G: @% f) Z - memcpy(mac, buf, 6);0 K0 [+ g+ Q% `' D" C4 s: ^/ W
- memcpy(stbid, &buf[6], 18);
+ B( e9 _: Q' M- p1 E" @ - stbid[18] = '\0';+ h7 q& J: V V4 Z3 _. c$ T
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- return 0;6 [0 j7 K8 U( B
- }
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& e2 ~6 P1 K+ R1 {- static int writeparam(unsigned char *mac, unsigned char *stbid)/ h$ K$ _* A1 j* b7 N% _3 D
- {
6 M9 \# u+ l) _! q - int fd, ret;
3 J, o- _" o8 e$ T& O% o, }( x - e2prom_s_cmd arg;
5 y j5 v+ r& g; Q8 c8 T' [0 Q - unsigned char buf[0x18];
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7 n% l5 G5 P& p! R- memcpy(buf, mac, 6);5 ~8 j2 m% P, C8 V4 |* C; W: G3 e& _
- memcpy(&buf[6], stbid, 18);
4 x' L2 M7 t2 e& \: z - fd = open(E2PROM_DEVICE, O_RDWR);
; M5 p. z- l2 K5 }4 A# F - if (fd < 0) {) Q' U7 U; b4 T9 o: I) p$ t# U
- printf("Device %s open error.\n", E2PROM_DEVICE);
$ X# |8 }: w. H% ?( D - return -1;1 m* X* o( h" E8 z" D. Y- x; O
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- arg.sub_addr_count = 2;
8 D- `9 T0 Y2 h% i3 ] - arg.data_count = 0x18;) `3 K8 W$ P5 ?4 N/ d
- arg.e2prom_cmd_sub_addr = 0x290;; T% I$ N3 p& ~( F
- arg.e2prom_cmd_data = buf; z. \3 f. ~1 B
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
6 C$ P. z. K# h( j1 ? - if (ret != 0) {3 n2 ^( I( c1 f1 i
- printf("Device %s write error.\n", E2PROM_DEVICE);! Z2 B0 O$ V+ h9 v7 k
- return -1;
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) Z) b+ \( {% F1 E9 f& ~& ]- return 0;* e! G. L; Q$ T- d
- }
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) X$ o. H+ R0 D, R% r# i8 l, H( x- int main()
$ F) [. l3 H. K* p - {
! [) j. n) V' z" o7 X - char c;- ?* e& W! E0 S' G( H& ~- `
- int i, macs[6];
$ z0 k; @) L( ?4 T; N M - unsigned char mac[6];
+ E) g( O+ [: I - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)* u+ o2 y* y: j1 E2 G- @
- return 1;
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" R0 u& K9 u1 [6 `1 ^: m5 `- printf("Current parameters: \n");
$ \6 ~/ h* B' K1 \& O' g! y - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);+ C" l$ T3 Y% O0 P; y, R
- printf(" STBID: %s\n", stbid);5 k; I/ e& k0 s3 T
-
* R% ^% k: F# {8 k/ q$ u - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");: @( U; \+ Y$ P+ L* p6 H
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {) P3 B) {" R, u+ H* h ]
- printf("Input MAC error\n");( j- n+ @; |# ^# g9 C7 w
- return 1;
; F8 C% a5 z" e$ r" | - }
: P/ n" x' l. H/ O - for (i=0; i<6; i++)mac[i] = macs[i];
6 }0 e7 X( g* ], |* h6 h2 L - printf("\nPlease input new STBID: ");
$ L; p" J5 `9 {8 x2 j& v8 L - scanf("%s", stbid);
. f- x+ l# D* s# c# v% i1 \1 T - if (strlen(stbid) != 18) {
3 L+ Q# K! `; O1 U" H - printf("Invalid stbid\n");, S) Q3 L( r3 W3 }1 _
- return 1;9 u3 r1 h, O- N" r" M9 j+ o
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- printf("\nNew parameters: \n");' b0 b1 t2 ~3 f: P+ |
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);: V H% x1 g3 }8 B9 ^0 z
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");0 s6 d0 T: I( d' X5 s: V
- for (;;) {
: b4 T- k. a' o7 h5 B: R7 Y - c = getchar();
8 T4 k* q* M( K# H" G - if (c == 'y' || c == 'Y')
1 \5 p$ V* ?% a - break;: N1 L0 W1 B' F/ m
- if (c == 'n' || c == 'N') {% b% |$ l4 ^2 J+ ]6 F
- printf("\nAborted.\n");
! q$ T0 H2 u6 P" m+ d0 k0 d A4 r - return 1;
5 R$ ^9 G O' y" B$ A, ]% p - }
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- if (writeparam(mac, stbid) == 0)
0 C- i' ?* h" A' N( o6 ~6 [ - printf("Parameters changed.\n");
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- return 0;3 S6 O0 h; q% L7 D. R# k
- }
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