本帖最后由 0522 于 2012-3-21 23:04 编辑 5 Z( c7 x4 n* D% v' `
" W- J! ?3 F4 n# C: v- d& S. z
修改的代码早有了。到今天不会编译。
' `9 b" e" u6 s" m6 j( S4 x, F$ v2 g需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>0 Q9 H. H1 O( W1 d( `* N. i8 C& D
- #include <malloc.h>
; f2 F# {! \1 g1 j R b4 ]9 ? - #include <sys/types.h>
' B# F5 }5 `# z$ f2 {/ L8 q - #include <sys/stat.h># \7 t2 a- b8 K! Y
- #include <sys/ioctl.h>
. Z( k1 d# `4 @ - #include <stdio.h>8 a+ j: K$ k- S8 I6 u S
- #include <string.h>
$ k* ^5 C ^* s( I' m4 x
$ j2 _$ }3 ~# W2 ?1 D- typedef struct {1 m4 D' |3 A' y$ u+ ]
- unsigned int e2prom_cmd_sub_addr;
" ^9 A* u# B9 j7 g; t - unsigned int sub_addr_count;
2 `% g/ m5 a. C! b P" r) k - unsigned char* e2prom_cmd_data;
. R* R. z' T1 y. Q3 b/ Y1 C - unsigned int data_count;
. }4 T% `: ?; S8 q - } e2prom_s_cmd;
) q/ z+ G0 N, ?7 a1 D
7 V% L- ]$ _7 s: Q$ C$ @- #define E2PROM_CMD_READ 1
, J! }# A5 \* s U# U/ e - #define E2PROM_CMD_WRITE 2
4 N x/ |8 K8 ?2 W0 | - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
. K' f' f* I g' N' d6 w - 8 S7 d9 t8 i' c3 U& W* \
- static int readparam(unsigned char *mac, unsigned char *stbid)6 U) q0 o$ X; \& ~* J. b
- {' Z a+ e* u; x& @, t2 R; O
- int fd, ret;) ?3 G! k" p8 v# {
- e2prom_s_cmd arg;$ o6 y% v# Q$ g3 V) h4 ]
- unsigned char buf[0x18];' N! ? v/ l; U
, c. v- \# \3 y7 h9 x; }) C5 o- S" {! S- fd = open(E2PROM_DEVICE, O_RDWR);2 X, i7 ^: i" [" n5 V
- if (fd < 0) {
: |( r) [. y' _ - printf("Device %s open error.\n", E2PROM_DEVICE);( c/ t% v; X" F# q$ N, J5 d. A
- return -1;1 c# A, a) e4 n8 t8 _0 C( a7 P9 O* j
- }# c; p# M9 d- [, }, ^9 g
- arg.sub_addr_count = 2;
& y8 D" p. |3 o0 ^# |4 i - arg.data_count = 0x18;
/ a8 b+ F% c8 z - arg.e2prom_cmd_sub_addr = 0x290;
' J( H) T5 r; b( Z/ @' m - arg.e2prom_cmd_data = buf;
5 O( H: l3 W# E1 Z - ret = ioctl(fd, E2PROM_CMD_READ, &arg);) n. _. N, a, S1 h* _
- if (ret != 0) {3 O, p: S& n+ I& b4 W1 C% l
- printf("Device %s read error.\n", E2PROM_DEVICE);
- c- f* v) n; p {" j& ~( M$ h3 m - return -1;
5 L. d* S- ^6 h ?9 u) o - }
* ?* I$ Y, S L3 r - memcpy(mac, buf, 6);
$ Q9 J' [- T4 r- X9 ?9 ] - memcpy(stbid, &buf[6], 18);
" I) U$ U1 G& k' Q" ^ - stbid[18] = '\0';
0 V1 q% O7 f% v8 Y# {- U# P - ; R2 U8 E& m. D1 t& ~; _
- return 0;
' u! z+ F9 h& y! u1 H - }5 [: |9 h, y: x
5 Z. T) ~, y! E. E" a+ e6 [- static int writeparam(unsigned char *mac, unsigned char *stbid)
3 {$ T, v3 {4 }& r& W- e" k - {# A5 S3 ]4 z3 L8 E& X
- int fd, ret;
}8 a8 F, ]& S% K6 O# Q9 l1 } - e2prom_s_cmd arg;# Q* \5 g" T/ L( j/ ^ g( v
- unsigned char buf[0x18];
) u0 h0 U) E2 e i% I2 W" P$ j0 W - , v3 S6 W1 ~. E/ a; `3 y4 W5 o
- memcpy(buf, mac, 6);5 n1 H1 W. d. \0 G
- memcpy(&buf[6], stbid, 18);
" \' j1 H- o/ x% ?0 g: j - fd = open(E2PROM_DEVICE, O_RDWR);
" d. Q6 O! {: l1 ^( n5 _ - if (fd < 0) {
" _1 e, E2 b6 V; R- K+ y, d - printf("Device %s open error.\n", E2PROM_DEVICE);( ]$ B% t/ k9 |& @2 \
- return -1;3 d) o# o: h; R1 D' T0 }
- }% N$ P) Q# q; d8 V$ ]" O
- arg.sub_addr_count = 2;
4 ]3 |# m5 e& u' w; I# r - arg.data_count = 0x18;2 ?9 @" A7 L& i. }/ D0 G
- arg.e2prom_cmd_sub_addr = 0x290;
, T+ g$ ^2 b& Z4 @6 N - arg.e2prom_cmd_data = buf;
3 S% Y# Z1 I5 g1 v - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);0 r$ E y+ _, b1 ~+ E% y" Y
- if (ret != 0) {
' N' B, ^* i) U" r7 K1 V - printf("Device %s write error.\n", E2PROM_DEVICE);6 V* X4 Z' H8 b& G7 _# f
- return -1;
3 t! X7 }/ k; O' H - }% S7 s( c; r, j( m
- " `/ {5 i( ^; u5 N" H* d g
- return 0;# w7 m9 U7 E2 N! X q9 u
- }
2 i) g% I9 Q8 @% G$ [
$ Y' U% X$ |( }7 Z' n- int main()
- z" @* U/ [, { J& V m - {4 [* F2 e1 A" d( m3 O
- char c;
' S3 B3 @' S! D, v# X; a - int i, macs[6];9 {3 N8 Z9 B" Y8 W, A
- unsigned char mac[6];
) s+ w/ v6 t) L T3 q4 U - unsigned char stbid[256];
! p2 E4 D6 ]$ q5 ]% |# B* ?! C
. l% Z% S: D$ _$ }$ V$ M# D/ G) A- if (readparam(mac, stbid) < 0)- }6 ^' L# z" i; H1 \' C6 z
- return 1;. c7 H: m& M# |
8 n8 `* O- B. N" E. a% c- printf("Current parameters: \n");) S V3 W+ J$ X+ l& Q
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);. Z3 [; s9 S4 z |) R
- printf(" STBID: %s\n", stbid);/ b! t/ p% I: J* O! G/ R1 K
- & }& \$ Z$ J0 z' O
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
4 H6 O _0 c' z, c1 c& O - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {: e" m) X& {$ w+ W5 ?: M. S
- printf("Input MAC error\n");
& ]4 n! S" o$ _/ e/ u9 O/ p3 u0 ?+ z - return 1;+ w1 |2 F: _' U& H$ h
- }
8 L3 a* v- n V. @. T" R: a' y - for (i=0; i<6; i++)mac[i] = macs[i];
8 i0 \8 ^. I% v9 g% C7 g - printf("\nPlease input new STBID: ");
* f0 a: h7 V" g" K7 X8 `" U" m- j - scanf("%s", stbid);3 D$ d% q& P. p4 F; ^; |" T. ]
- if (strlen(stbid) != 18) {
2 T$ Y& a6 \5 U8 S5 f - printf("Invalid stbid\n");
& S$ @" U# z& s& F+ ` - return 1;) y) ~* [/ ?/ v- Q E% F
- }
* W" ]$ L& x% Z! e- ~5 _ - printf("\nNew parameters: \n");% |- A2 c% k0 R8 b1 r$ R/ v8 }
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
# f0 D9 r$ L0 G% p - printf(" STBID: %s\n", stbid);1 V- \8 E0 @/ g- c I3 l
8 Q* q g1 q# t5 {7 s- printf("\nDo you want to change paramemters? (y/N) ");! f6 ]- k* T9 u. d' M
- for (;;) {
7 `: A7 E1 H4 l( S/ y+ X8 M - c = getchar();
1 H8 X( i0 M) y- ~2 {# T) U% Y - if (c == 'y' || c == 'Y')3 f' [( n5 H# \8 [, ^2 Z9 U5 l
- break;
" C0 k' v: }+ X; U3 A" q - if (c == 'n' || c == 'N') {
' F. W1 P3 g2 b# O9 Q - printf("\nAborted.\n");
A, b7 F0 F; j* j1 W4 f! W* [ - return 1;2 C/ n) J% }2 [. I* k( W" V
- }
4 _4 ^/ N; f! g K7 O - }- D# j8 A+ s. W3 T R9 s3 ~/ {8 i% ?
- if (writeparam(mac, stbid) == 0)
' c3 m, d3 T ^+ w" Q/ @1 Z - printf("Parameters changed.\n");
$ Q/ g e$ ]7 ~' Z, S
, }* B P9 K$ c0 S- return 0; j1 {; J" ~& ~8 b5 h
- }
复制代码 |