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。
) k- c0 a, v; d: u# e需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>' e# K9 x1 L0 Q2 C0 Y8 Z3 `
- #include <malloc.h>
, Z5 [8 q8 K: U- L' M: P+ f% F) _ - #include <sys/types.h>$ ]1 m: o r M% l- y& M
- #include <sys/stat.h>; W3 R& S) n7 d+ i
- #include <sys/ioctl.h>
) U: H4 A1 H1 o( i - #include <stdio.h>
' ^1 l, B% v& f1 K - #include <string.h>6 X0 _) Y1 \& S, c
- 7 Y/ T1 C" ]- a7 w' t% _8 g+ j" d
- typedef struct {
2 K! D2 t) a6 D$ w9 q" ] - unsigned int e2prom_cmd_sub_addr;
2 ?# w: v" y% R1 r( l% O* y - unsigned int sub_addr_count;, O: l5 k8 h7 X0 r5 b U
- unsigned char* e2prom_cmd_data;
$ D2 m3 [" c( p& h/ h2 Y7 X - unsigned int data_count;
& m. i* Z! k7 d" S1 ^ - } e2prom_s_cmd;) X$ i8 F# o4 [) t
- 7 x A" d/ k/ n M' o8 `/ N8 r5 I f6 M
- #define E2PROM_CMD_READ 1
4 A; Q1 X& e0 @0 ] - #define E2PROM_CMD_WRITE 2
1 p4 U6 K7 O& p% I- E, d - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"# e5 _. H O$ X" H+ `" P9 I# V3 \* \
- - ]: I; I' A4 o \: M+ @& d
- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
1 \8 [ i y6 b9 ` - e2prom_s_cmd arg;7 s4 {. N! _8 W
- unsigned char buf[0x18];
- s6 ~0 Y7 O1 F2 O - & }5 W; j& f; _' o3 X
- fd = open(E2PROM_DEVICE, O_RDWR);! W) B# F2 [, @: r
- if (fd < 0) {" {+ m5 m4 @& d \
- printf("Device %s open error.\n", E2PROM_DEVICE);
6 Y$ Y0 E7 j+ D* f - return -1;% s2 r8 R% N1 ]5 V
- }
$ j, } B0 y: S8 R- B - arg.sub_addr_count = 2;
: @1 |) }1 a* n& E+ `8 W( G - arg.data_count = 0x18;
5 e/ Q5 _9 e" o$ d& }' K - arg.e2prom_cmd_sub_addr = 0x290;
) G* i- X5 L# \4 x# E - arg.e2prom_cmd_data = buf;
6 Y* N+ k1 s% N - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
0 X/ V z" v, x( K8 j - if (ret != 0) {: k2 D, r' E- W6 Q
- printf("Device %s read error.\n", E2PROM_DEVICE);
4 S& e( d/ `/ Z! d - return -1; O' `# h7 T1 [% ^# U
- }# M9 V8 ~' b5 K9 ]% v4 G
- memcpy(mac, buf, 6);" ^4 P2 P1 k& ?+ ^
- memcpy(stbid, &buf[6], 18);4 {+ {/ j! ~- F) C4 k# S9 A! |. T
- stbid[18] = '\0';
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- return 0;
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6 a- Y$ F9 w6 V7 O- static int writeparam(unsigned char *mac, unsigned char *stbid)! e/ g k( D/ l( C" ~3 g
- {& d/ R+ Q! N9 `
- int fd, ret;
: X" z& l* `9 k - e2prom_s_cmd arg;
" q( s, H& ^- a' Z, _, r8 Z9 o - unsigned char buf[0x18]; L9 J) [( L$ M4 u
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- memcpy(buf, mac, 6);: ~. h! r1 P3 z! Z0 C4 C2 z
- memcpy(&buf[6], stbid, 18);
x6 J! \! R, |4 s5 R - fd = open(E2PROM_DEVICE, O_RDWR);
. p4 C( f* e. V, M! ]5 B - if (fd < 0) {4 [7 n2 V" g8 f) i! ?# ?" h- i
- printf("Device %s open error.\n", E2PROM_DEVICE);2 Y2 O$ M4 b9 r9 m- K+ x
- return -1;
1 n% c% O; q3 ^( b - }
1 {# K# x* e$ P - arg.sub_addr_count = 2;1 p& f& w) D% c; K( p9 V
- arg.data_count = 0x18;! [* B& X9 u Q* t: J# x
- arg.e2prom_cmd_sub_addr = 0x290;) V: I; Q' j" l1 ^, m h6 R% `
- arg.e2prom_cmd_data = buf;
$ Q6 p- j2 S6 a: a - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
3 _( U+ R& @( y$ O - if (ret != 0) {
" Q# U% @4 E/ @ - printf("Device %s write error.\n", E2PROM_DEVICE);- O6 i( v# j Q- l
- return -1;: {0 B& c+ I- t
- }
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( @+ {/ l# k/ a) p. g- return 0;1 M% G6 w4 C+ n- N, Z8 r
- }
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; v! m1 W" ]/ Z# d- int main()$ g. A: B! v' o/ K
- {
D# f5 e8 A$ W2 ~3 L - char c;
/ b' ~2 g9 g$ Q5 ?5 F; q - int i, macs[6];
1 B3 z8 L0 t; e3 K9 c - unsigned char mac[6];" k0 A7 Y3 m* X. u4 f) X
- unsigned char stbid[256];9 ]2 ?# U' R1 U ?& G
/ s0 z8 m4 ]4 k- if (readparam(mac, stbid) < 0)
|' K. N+ ]" }. m0 H, I# ~ - return 1;
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& w( G7 c7 w' [: d2 Q O$ W- printf("Current parameters: \n");
4 i) S4 W7 n. O ?. G# }- Q" A - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);. z, r: m2 ^" |5 A
- printf(" STBID: %s\n", stbid);
" c& t! k) e2 D -
1 H9 g9 Y- g$ e - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
( m" c/ W- Z! t - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
- V1 V' z! N1 k - printf("Input MAC error\n");
- v& W3 R3 f9 d8 l9 j1 ~7 I2 {: D- D - return 1;5 L1 ]+ H, m: J1 O1 |
- }
2 o$ O2 V/ ^1 s- X {& C$ B - for (i=0; i<6; i++)mac[i] = macs[i];
: p" ^: u& y2 ?% s7 Z" W5 n4 o. _ o - printf("\nPlease input new STBID: ");' J+ j3 b+ d, N
- scanf("%s", stbid);3 V! {3 ^ t5 m
- if (strlen(stbid) != 18) {
+ [' z& S( C# p' }' d - printf("Invalid stbid\n"); ?: X' G: K% _& V
- return 1;8 i4 g7 d0 p% W# ]- Q
- }
+ T' M3 w7 v: q: H- g/ Y0 Y" u% P! d - printf("\nNew parameters: \n");
8 h. n' G f) a: }+ y. G6 V- y. j - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
- c" }" _5 r: [& p0 H7 }! R# p& x - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
3 {& E7 @9 E4 {* u7 [ - for (;;) {
* S W/ H% Y8 D! \' b5 o' \ - c = getchar();# ?1 d2 W0 v7 o A4 W8 i$ S0 n
- if (c == 'y' || c == 'Y')8 x- W9 a* o q% {, _4 E
- break;) h' F- e9 A; x( X; y" d
- if (c == 'n' || c == 'N') {
, l3 m- P9 P. a: d4 W - printf("\nAborted.\n");2 Z0 @3 |( L# [# a4 ~
- return 1;
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- }5 @2 e/ R) f& F% P
- if (writeparam(mac, stbid) == 0)
6 Y8 ]* i$ t2 V3 G& i8 I/ b# j - printf("Parameters changed.\n");
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% c3 m' Q% ]3 |- return 0;
" O4 t+ w% d& m4 C, N/ k% g - }
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