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。
8 _% U- z' L" m7 U8 [4 ?需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>& B; G. Q2 a$ Y
- #include <malloc.h>
9 ~# M6 q, x9 r - #include <sys/types.h>/ f, s; C! R8 ~" E0 L# D$ n0 d
- #include <sys/stat.h>1 S( P1 e! Q. S# C n0 f2 T. z! a; F
- #include <sys/ioctl.h>' \% e l* O5 _ t4 s; W
- #include <stdio.h>% \8 j d9 h" }+ D) K
- #include <string.h>: j, m2 p: j6 i$ _2 y! L
- 4 @6 d* a% w- _
- typedef struct {
8 y1 h4 D" \. i. D0 ~ - unsigned int e2prom_cmd_sub_addr;- H9 P9 f% _0 {. r9 {
- unsigned int sub_addr_count;- r8 r6 I+ I/ y7 c
- unsigned char* e2prom_cmd_data;
+ t# _8 {0 u+ z# X; y5 s7 C - unsigned int data_count;# V0 V3 B$ U% J% D4 P8 _
- } e2prom_s_cmd;! s! y) l$ k W
( G; J1 d) M$ ]. u- g4 F- #define E2PROM_CMD_READ 1: u: r. Y: u, Y# i, k
- #define E2PROM_CMD_WRITE 24 e6 o6 d, _; m& @* g K+ M
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)$ X6 C% N* t) A* G8 x& d
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- int fd, ret;4 w3 O; j2 R& a* ?
- e2prom_s_cmd arg;- q5 n- R) a- p- f) m9 G5 C
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
% t! g8 ?, X; l3 b- B9 f! } - if (fd < 0) {) |) s& j* @. J; w) I
- printf("Device %s open error.\n", E2PROM_DEVICE);
1 C* @: v- K; F: A/ U* O, R+ u3 K! o - return -1;+ @! o! ~' ]& X5 `4 k- D' V+ W7 ]8 w
- }
- T4 |* i! L. Y+ y( v. |7 G - arg.sub_addr_count = 2;: J+ y) y) W4 [2 `; K! {
- arg.data_count = 0x18;
5 G) {" r X+ u% b - arg.e2prom_cmd_sub_addr = 0x290;6 [8 X2 h' W# j5 e" Z. Z
- arg.e2prom_cmd_data = buf;, N9 \" h6 q6 y2 @
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
: i$ w% F7 P, ? p3 G: B - if (ret != 0) {, m, {6 C& ~& h/ i2 p
- printf("Device %s read error.\n", E2PROM_DEVICE);* a5 Q! d8 M K: U$ D* C, ~# u
- return -1;! V2 _* K& v2 J0 w
- }3 |6 o. W! m3 I# d9 r, e' F
- memcpy(mac, buf, 6);0 v% h2 F) t, q
- memcpy(stbid, &buf[6], 18);- I( P! ~( d' {* q3 D+ g
- stbid[18] = '\0';9 p8 x. Z: L, E0 c; q. }
- : Y5 _# C% R9 C5 Z- S, i5 M
- return 0;
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- f' c% i1 z. E4 | - # z/ |9 I7 Q. a. ^4 ~/ Q( }' X/ C( |7 S
- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;; H4 ^4 }, V- }1 G* `
- e2prom_s_cmd arg;
! z# _: C6 p+ z! B; ]- m - unsigned char buf[0x18];
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% s$ }# I% u* A; x; \- p! W9 N2 X- memcpy(buf, mac, 6);+ k( ?+ }5 f! h) w
- memcpy(&buf[6], stbid, 18);
9 ?7 h6 A* U. C$ b% u2 Y& E - fd = open(E2PROM_DEVICE, O_RDWR);
% N& ]: ~# ]# q9 ?0 E7 U+ ^/ t - if (fd < 0) {% I0 U5 |+ D2 s- w% m) p
- printf("Device %s open error.\n", E2PROM_DEVICE);
& `' f% ~3 `5 ~* z) q8 z - return -1;$ s8 v, w: \2 M6 u$ P, y% M2 _9 q9 r
- }
2 j o( w" @9 N% x1 n7 g$ n - arg.sub_addr_count = 2;* D1 C3 x" Y# _4 l! V' L0 u1 `. G
- arg.data_count = 0x18;- v% G/ ]6 C( z: J& e5 g
- arg.e2prom_cmd_sub_addr = 0x290;% a: J3 n: q* S, q$ o5 U
- arg.e2prom_cmd_data = buf;$ d& R6 l O* t1 J! ~6 c% j3 P
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);1 H- F* ?9 J- n( q t; l4 N+ H
- if (ret != 0) { o+ U1 J1 t3 B! h
- printf("Device %s write error.\n", E2PROM_DEVICE);3 o. V" E% L! |! N7 _
- return -1;
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- return 0;
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0 @( r) g C! P- int main()
3 I0 L- @; S8 b8 G4 v* ?* x/ r* |0 S - {
: R7 y) ^; _# K4 b& o& t2 @ - char c;/ C; i: X9 u7 [
- int i, macs[6];7 ]7 i9 S/ `( z D5 q
- unsigned char mac[6];
1 A' ^5 z+ X( m - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
: X Q. P( s, N+ }8 n& L1 _ @ - return 1;
* w1 `* K& R3 q3 C* [& q4 v- x7 E - 0 i1 m3 G& h2 b. ~* L
- printf("Current parameters: \n");
" R' D. V) \1 ]$ i* y - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
" D0 M1 |4 j4 m/ Y - printf(" STBID: %s\n", stbid);2 ~6 d8 L+ O( g
- % V5 O( F1 c2 B/ o
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");2 ?9 x" }2 X2 {' W& O
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
: |' _# q% N6 L* }8 Q( _ - printf("Input MAC error\n");
! d: u# t( Z% W- x; }) P - return 1;3 q6 m* b2 e' ]3 z% k
- } _- n* J8 V9 k! H M% K, b
- for (i=0; i<6; i++)mac[i] = macs[i];/ k3 P8 H/ y, \. x: d9 z
- printf("\nPlease input new STBID: ");& j8 G# k9 K! T
- scanf("%s", stbid);
' W( T- l0 c s: i" u - if (strlen(stbid) != 18) {. s+ p; x: i6 ?5 T' e! R+ h
- printf("Invalid stbid\n");+ b2 I) a9 r U7 h4 k$ V" T
- return 1;
$ V0 t0 Q0 N+ |, h( h2 G' X" D - }
& {$ f/ b( v8 c5 \: }5 k; n - printf("\nNew parameters: \n");3 [ V- ?/ u6 Q4 L
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
* l& c' @ U2 p7 a7 ^& Y: S - printf(" STBID: %s\n", stbid);
- C7 p" N& E( c# \0 o. V( i& ^
. p0 D, U# ]7 i8 D; L- printf("\nDo you want to change paramemters? (y/N) ");
r0 u2 W9 h# o0 C% k7 t1 ~ - for (;;) {& d" [0 i# H& w- A
- c = getchar();
% W6 B0 B: c! B5 r" S/ v4 l& u% O - if (c == 'y' || c == 'Y')
: w" f" G" W3 r1 w5 H - break;# o3 ]$ p+ l0 _+ ^& k' |
- if (c == 'n' || c == 'N') {
# U) O; m+ E; U# ^- S2 u( Q - printf("\nAborted.\n");
# v; K4 u# c2 H" M9 w - return 1;% X, l8 C$ l* C! L+ U6 ~3 M) L
- }
$ y( Q% k: ^) W3 | - }
7 j. _' G5 ~0 e4 u h4 y: D - if (writeparam(mac, stbid) == 0) $ T. ^; R# a( Y
- printf("Parameters changed.\n");4 z. Z. l: r0 p
" u. e6 ~8 M# T: a" b: {4 m8 n6 _4 w+ p- return 0;" ^; P. F5 d& f O# `4 ?
- }
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