本帖最后由 0522 于 2012-3-21 23:04 编辑
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4 a+ b# c& k+ J/ h修改的代码早有了。到今天不会编译。7 h1 g3 z7 n6 h; _$ `2 w, s
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>) n+ V. }4 D9 c* j9 |" {' A
- #include <malloc.h>
) F ~9 s2 j7 D - #include <sys/types.h>
% o5 F |6 [+ g - #include <sys/stat.h>
- |# U" B: L" t - #include <sys/ioctl.h>9 o* G0 p! i2 p0 n- P9 E! ~! Z
- #include <stdio.h>
3 e+ H4 U% C6 _: d - #include <string.h>
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- typedef struct {
! S0 a; W' j( Y( _+ D9 S+ o - unsigned int e2prom_cmd_sub_addr;) G; {) p1 ^; K' h/ z
- unsigned int sub_addr_count;' t C, n' W; r' N: X, o. M8 @5 y
- unsigned char* e2prom_cmd_data;
) o' B. X9 k; ^3 Y& U7 k, q - unsigned int data_count; @- U4 p; e' C+ x( i% c: S
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 11 D* `# R1 v( f4 E1 N2 @5 X
- #define E2PROM_CMD_WRITE 2
4 z- y J9 U9 u& V2 W - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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# B* F& j# v' D) p- static int readparam(unsigned char *mac, unsigned char *stbid)
4 T R( q* U# W0 N - {
) s/ h# L7 u$ A' F - int fd, ret;
+ I( I& f- f0 c - e2prom_s_cmd arg;) Q5 E# J0 ]# Q$ N. j% l
- unsigned char buf[0x18];
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: r$ r4 V: R1 u& Z% u2 Q- fd = open(E2PROM_DEVICE, O_RDWR);
. x' ?1 t8 q& h" t* r" k$ [$ h( q - if (fd < 0) {
9 s+ @! _5 m: m' i; I4 p, z2 k - printf("Device %s open error.\n", E2PROM_DEVICE);
! P p8 G2 U* E2 ?) F& h1 m/ W6 ]- N - return -1;9 i% T/ y" i0 x) C6 q: l
- }( B4 c( N% q9 A& F: H6 ]2 }
- arg.sub_addr_count = 2;: e7 g6 ^; {8 I, H0 h4 e ~* b
- arg.data_count = 0x18;
: S2 C1 v+ o. E - arg.e2prom_cmd_sub_addr = 0x290;; G4 @% |" _& {! q1 u, a; L
- arg.e2prom_cmd_data = buf;2 r/ `5 K% @6 h% ?1 w6 ~
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);9 @0 A" j/ U2 D' \/ X7 v
- if (ret != 0) {
9 V+ x& }* Z \) [0 @ - printf("Device %s read error.\n", E2PROM_DEVICE);
: |+ X! u: a1 \9 J: M. t K - return -1;
" t: }& z( `' d+ E) L' m - }
% e: m: S+ |( |4 i" u! k, i - memcpy(mac, buf, 6);" _: h9 z* y1 F! j
- memcpy(stbid, &buf[6], 18);! X: ]: ~, z/ w: S& d
- stbid[18] = '\0';
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- return 0;3 Z; p; z6 `5 w( g" p
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- ) i3 i* }, r: G4 N/ K4 C/ B
- static int writeparam(unsigned char *mac, unsigned char *stbid); G; n$ G- P8 ~# {$ }
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- int fd, ret;
# e0 u' i' n+ q2 K3 { - e2prom_s_cmd arg;
9 E& L3 g* C2 H: m% g! }8 Q1 j - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
1 {9 [4 W, x `, B" {) f - memcpy(&buf[6], stbid, 18);
6 s8 q$ o g1 Q v - fd = open(E2PROM_DEVICE, O_RDWR);# J# H% L1 @) Y$ T
- if (fd < 0) {
" H7 _( V/ D- ?# I( Y; s - printf("Device %s open error.\n", E2PROM_DEVICE);9 r2 L- ?" Z. t4 G- _# c
- return -1;
( q1 e4 j/ R4 V" Q - }
+ H% D" |5 r+ N2 p3 L' K/ q6 i - arg.sub_addr_count = 2;$ K& G" u' D9 U7 j
- arg.data_count = 0x18;
7 ?' G# r# {3 N* l+ | G - arg.e2prom_cmd_sub_addr = 0x290;
1 u- ? N& _! p9 E - arg.e2prom_cmd_data = buf;
$ |1 U% B' W* ]4 y - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
4 n& }! Q% i/ ]. A) t2 I - if (ret != 0) {
4 n/ h6 c# w0 C/ e - printf("Device %s write error.\n", E2PROM_DEVICE);# k0 ?# P7 W5 c I) T
- return -1;
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- return 0;8 H# v9 K4 c* A: T7 B& M
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; N7 l \3 I5 ]( Y+ M* J- int main()* e5 @) [0 W# a
- {
2 L6 V/ O+ k6 ]0 W& K - char c;# H* a9 G! X7 b @& j/ ^
- int i, macs[6];
6 \/ s6 X7 W4 }# w2 E3 l% M - unsigned char mac[6];( t/ v5 y; h3 y3 p4 B
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)/ e1 f; A" L- j( N
- return 1;, V( q) E$ G. m' z3 P# r+ Y( D( ]) M
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- printf("Current parameters: \n");2 u' |, i, L' B; @) o( L! J
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
! z* M% \2 k# H, k8 ` - printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
0 J( ?% |! Q$ C% V - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {( {- k8 _- O9 Z
- printf("Input MAC error\n");5 u6 B) A5 M: D4 n \* r" k
- return 1;. U+ Y6 l1 t Z+ I
- }; h: S( {- j# f7 K0 ~0 y& I+ V5 {
- for (i=0; i<6; i++)mac[i] = macs[i];
* Y! G: P: M* G* E* y+ ]8 S0 X - printf("\nPlease input new STBID: ");
" P2 `# W8 I, |3 P1 l$ Z7 t - scanf("%s", stbid);
, y) }3 w8 {: n7 s& u5 r& y7 h - if (strlen(stbid) != 18) {
$ `+ m% d0 o% h" B6 n) F$ i - printf("Invalid stbid\n");
8 Y' y1 m6 j N" ~ - return 1;% j) F% g0 g! @4 t% X
- }
3 Q7 h3 |( c4 b! c3 h - printf("\nNew parameters: \n");9 _8 y& ^# J2 E/ G
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);8 s0 }, N+ T5 a1 o6 A& ^$ j
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
% q% H; ~) ~6 h' m8 z4 B1 v - for (;;) {
9 R, J7 ~/ ~9 G- ^' w: ^' u2 c - c = getchar();
2 F. p5 \6 X, W0 C; }8 ? r - if (c == 'y' || c == 'Y')( {# }: c% Q% m [* ~. t2 Z: @
- break;
' ~7 S) d% ^ ~8 A, [, g6 C6 \ - if (c == 'n' || c == 'N') {
2 B; Q( f6 i# N. H1 x; s& f% v# |. s - printf("\nAborted.\n");& ^; S+ \& X6 l! H! \ j5 g
- return 1;. i' W4 \. D1 w3 O
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- if (writeparam(mac, stbid) == 0)
5 K2 H+ P$ M3 ]6 V3 c8 u8 p - printf("Parameters changed.\n");
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+ c$ k5 S! _$ M; r/ w' W# Y- return 0;/ l3 A6 o, r% Q% d) E9 f; E* G) r
- }
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