本帖最后由 0522 于 2012-3-21 23:04 编辑 - g' N- i5 Y1 Y' L N
2 N6 U4 T5 ]8 c6 v修改的代码早有了。到今天不会编译。8 Z c# P" W$ f( g% }5 g# e0 E- r
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
2 I, q6 I# v; {; r% ` - #include <malloc.h>
+ n' Q, x2 f9 `5 B/ [' d) `4 K- Q - #include <sys/types.h>
# D; q) E" e0 `" K+ e - #include <sys/stat.h>, p7 ~: ]/ D8 b
- #include <sys/ioctl.h>
$ I' {: J! Y+ H: D; t9 u/ Y - #include <stdio.h>
- ?, O+ u& s; J. Q, [( H# U - #include <string.h>
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- typedef struct {. h: r* [! Z+ n8 |) m. T- Q/ ~
- unsigned int e2prom_cmd_sub_addr;& N2 \( w$ Q- d/ _- O _
- unsigned int sub_addr_count;6 h3 l. { y6 W5 H& [; d
- unsigned char* e2prom_cmd_data;
4 ~* r C0 `: w6 g3 d9 T; K3 t - unsigned int data_count;5 U% x1 ?. K% j5 U7 n) J4 X6 F
- } e2prom_s_cmd;* a, S( }- V/ Y& s& p# t9 H
- 0 z8 _' c R: e; E: ~6 t
- #define E2PROM_CMD_READ 1 \8 W$ i+ R, U4 d, }
- #define E2PROM_CMD_WRITE 2
% K% V/ P& I# F5 Z' x - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)% R K4 V5 ]. {* r( v2 x2 W$ N
- {
& ~# y0 F$ m- T3 Q2 Q b2 c - int fd, ret;
- I3 m/ k4 l8 y2 i9 ^. V - e2prom_s_cmd arg;
$ K3 g A# N% @ - unsigned char buf[0x18];+ o8 u! E5 l% ?4 g3 j5 S
# R, b9 {6 m: r- fd = open(E2PROM_DEVICE, O_RDWR);
4 _- A1 h' ]5 n" p0 ?- n. f1 z - if (fd < 0) {
! F& J3 B# U; @- p8 K - printf("Device %s open error.\n", E2PROM_DEVICE);
, ^0 `7 L- O3 m% R% F# e - return -1;
; X/ l4 O3 x/ e8 Y6 t* v - }
3 F( X% s3 o% b, R7 W" q! d2 { - arg.sub_addr_count = 2;
) _" t+ Y" _" [: M - arg.data_count = 0x18;
" a' _. r1 _8 G; A# m8 p - arg.e2prom_cmd_sub_addr = 0x290;
# E8 e# _9 c( i. g# J, \& ]" s - arg.e2prom_cmd_data = buf;( p; M+ V' H% j1 {. D
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);- c3 i6 a& N0 [
- if (ret != 0) {
/ r8 v* H9 u: ~0 y" `! f - printf("Device %s read error.\n", E2PROM_DEVICE);
& M* W* T1 x1 z - return -1;2 e" [; A3 \& B
- }
6 a* P, ]* W) p: T% U; n - memcpy(mac, buf, 6);
& z' K( X+ L B - memcpy(stbid, &buf[6], 18);
9 O2 I/ Z4 p, a: y/ I0 A - stbid[18] = '\0';
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9 |3 {- b* y" C, T/ b. M- return 0; ~* @0 ?% U' M3 t A1 V
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+ N/ i' a# e1 [9 Q4 ?9 ~8 G- Q- static int writeparam(unsigned char *mac, unsigned char *stbid)
- @0 i8 Y1 h5 B6 J7 h7 F- I - {
/ y/ f' |/ P* \& N* x) f: V - int fd, ret;: M: h+ j. Y! N+ E
- e2prom_s_cmd arg;
& |) b$ l0 C! U* S8 A% b) N - unsigned char buf[0x18];
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7 k6 m, V8 Z( Z! [- memcpy(buf, mac, 6);
7 s, D, K/ [% K7 v: x Z - memcpy(&buf[6], stbid, 18);$ t$ w2 n$ I0 ~9 N$ d0 h/ D
- fd = open(E2PROM_DEVICE, O_RDWR);
C' b( _0 \# K4 U, p7 z, C - if (fd < 0) {* u O, u, n# b5 Y4 M1 p$ w
- printf("Device %s open error.\n", E2PROM_DEVICE);
& B* o& a/ [! W3 J) x - return -1; G. {; s3 d6 d
- }
- _& L: ]2 {+ y( Y9 H% } - arg.sub_addr_count = 2;
: o: D' N! N2 ]0 j! i - arg.data_count = 0x18;$ j' Z* a* m( d: t& `4 O
- arg.e2prom_cmd_sub_addr = 0x290;
: H& L |4 @! X. _ - arg.e2prom_cmd_data = buf;. k8 W) I$ F5 B: t
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
$ ?5 p* P& z' E/ n" l- ^0 @/ K - if (ret != 0) {8 v/ }/ p! ?' u0 W, w: W1 E
- printf("Device %s write error.\n", E2PROM_DEVICE);
' t F5 G0 d' p, ], ]2 a$ W' q - return -1;
L$ l1 n5 T( j - }
h/ d; }% h8 q$ i- g) }; I0 x - 7 K* k7 }3 u3 V4 e7 A
- return 0;
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- , n9 ?% a* b- Q5 L! f
- int main(), ~ u3 w' e: d. f3 Z8 S& ~
- {
3 ]: j0 x: {, B; z6 D- o2 g - char c;! g7 [. d9 q( Z
- int i, macs[6];; U8 [4 M( d! j/ {$ Z9 n
- unsigned char mac[6];
( M9 D! ~/ ?! L; |7 { - unsigned char stbid[256];
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, c" l3 W/ B! K$ I/ n4 J- n- Z- if (readparam(mac, stbid) < 0)$ S3 e+ y! P" Q4 t2 g2 ], i
- return 1;
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0 m7 u& g4 @ F6 M8 ?# ~- printf("Current parameters: \n");
4 H' B, S* k" `5 e0 j - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);/ T/ L c% A8 Q: J" H
- printf(" STBID: %s\n", stbid);
" J# {& c) a1 {4 { -
3 g1 V1 y' L; L - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
; l3 `0 _% H. b% p' b% M - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
' g6 f( z% W1 a b3 H' k( }& \% X7 r7 K% f - printf("Input MAC error\n");
7 i1 t$ t$ T1 C4 e0 M5 e8 L - return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];4 z" k: s# f0 d6 x- ]
- printf("\nPlease input new STBID: ");
r' p8 |+ N* q. o7 B - scanf("%s", stbid);% y4 l; f; _$ n; i$ B/ i
- if (strlen(stbid) != 18) {! V" \& e1 Q6 A9 O* x
- printf("Invalid stbid\n");+ F7 ?# k' a" U8 Y, ~* D" f
- return 1;- [- f% _2 j* D% x' W+ j5 \
- }# n% u7 p+ `% d5 a
- printf("\nNew parameters: \n");
9 _) F1 a$ c( v4 \9 r - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
( b/ i/ ]4 N( a, M# t - printf(" STBID: %s\n", stbid);
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" s0 C* n" D; t) D$ [ j- ?: B- printf("\nDo you want to change paramemters? (y/N) ");8 x( D, U! g; t' ?
- for (;;) {* }' f' Q& ^. H; [
- c = getchar();6 n: J* n: C# Q; f: y
- if (c == 'y' || c == 'Y')4 [* s( z- m) {/ t+ Q
- break;% P( n; ^& p# Q0 r/ m* a
- if (c == 'n' || c == 'N') {
. l' Z- V1 u$ k0 H8 B8 u2 ? - printf("\nAborted.\n");0 |2 e/ q8 M s/ { g, x( V
- return 1;
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- }( z! ?) x1 [4 B
- if (writeparam(mac, stbid) == 0)
; _) ~9 L8 T0 Q1 E - printf("Parameters changed.\n");0 q, P; `7 X7 J& b; ?, k
- % O6 M( N& v }0 t' P9 L$ o: d& j
- return 0;4 m8 c7 S1 l* Z: j% B E l/ B7 J
- }
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