本帖最后由 0522 于 2012-3-21 23:04 编辑 % `4 ]; |8 {6 Q* ]7 a. v
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修改的代码早有了。到今天不会编译。0 ?0 v# U0 e0 Z3 W
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
; r! s P$ B! Z; n7 K6 C - #include <malloc.h>
2 T2 G* o: B) K( m" _+ g* X - #include <sys/types.h>
9 `! d3 b& i. O7 ^' u; \ - #include <sys/stat.h>1 K4 k2 ~) o- x# o
- #include <sys/ioctl.h>/ T5 l/ E' V: N/ P/ G" g; S
- #include <stdio.h>% g0 d0 C1 h$ E6 m" [9 q; p" k
- #include <string.h>* T- B' }: V4 H/ _* n
- $ {7 V; K" ~0 z- q' |
- typedef struct {! `1 E% U2 y( q7 V m! K/ |3 h
- unsigned int e2prom_cmd_sub_addr;
. n% J% S7 h9 J! { - unsigned int sub_addr_count;
; {# l3 @- j% S$ ] - unsigned char* e2prom_cmd_data;% k! r& S9 j3 J# @4 k* _
- unsigned int data_count;2 Y8 K2 ]2 S' ], S# F
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1
2 U9 w, J; v. n, H4 N - #define E2PROM_CMD_WRITE 2
& R' s8 V+ Q$ t - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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( c% U4 Q! K3 x4 \- static int readparam(unsigned char *mac, unsigned char *stbid)
3 E5 E v/ \/ t' ^! t$ \ P4 N" t - {
/ w7 N! @- s3 u' | - int fd, ret;
0 z q, E+ M$ m7 t - e2prom_s_cmd arg;
( o' N q0 P$ z- x+ R: w - unsigned char buf[0x18];* U" H6 a) E2 [. M- B9 }) k
/ a5 T) u/ k0 m1 i8 y- Y- fd = open(E2PROM_DEVICE, O_RDWR);
' G2 k1 e' z0 ?* u& c - if (fd < 0) {
5 E" q. T" a' r7 r: k - printf("Device %s open error.\n", E2PROM_DEVICE);
! y% G, H5 _1 m - return -1;
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- arg.sub_addr_count = 2;
6 J6 @" h# J: u4 ^% S- h - arg.data_count = 0x18;% D( R# N7 o8 [7 `
- arg.e2prom_cmd_sub_addr = 0x290;0 L$ |" _( c0 r& c
- arg.e2prom_cmd_data = buf;" [6 J3 M: i; k
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
% l4 s0 a/ r \4 V$ u - if (ret != 0) {
( Y* l; B& b" V" c$ Y. E+ U - printf("Device %s read error.\n", E2PROM_DEVICE);
0 M. [5 D. r# }0 A4 @ - return -1;& W& T* U7 D$ y; \- N3 E
- }7 g" o' j2 Z% ?
- memcpy(mac, buf, 6);
3 T, B3 @) D5 }2 k6 [. O - memcpy(stbid, &buf[6], 18);. M6 L1 i; M7 N; A- q4 \
- stbid[18] = '\0';' N9 a2 M B- J) c
( ]9 V4 C O2 r- R3 }9 a- return 0;
4 h6 e/ f/ q/ R: A - }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)' _. G/ d, W Q9 t
- {
) R# K0 p, l. ?8 Z& \/ W* i$ w - int fd, ret;" ^6 [) ]3 Z- m5 o! j
- e2prom_s_cmd arg;6 r* n- Z$ ~9 H' L! v; y
- unsigned char buf[0x18];3 [2 z" B3 H7 }7 K( L6 a
- 0 {( n& [; x2 B/ i
- memcpy(buf, mac, 6);
8 c% K3 w' A" u/ k+ a; H - memcpy(&buf[6], stbid, 18);
+ g/ ~* G/ D, B3 q - fd = open(E2PROM_DEVICE, O_RDWR);
. O( \3 A# t& R$ K6 M/ m - if (fd < 0) {/ q% Y& Q! |# M& {/ ?# K
- printf("Device %s open error.\n", E2PROM_DEVICE);# S6 u4 c- G$ U- M) G) w" W( S
- return -1;/ N, A& r8 u5 P2 y% a; b
- }
# d$ a' p$ v2 N3 Q0 h5 x1 \ - arg.sub_addr_count = 2;
1 i$ t4 A: z3 h! C - arg.data_count = 0x18;9 w6 ?8 ~# X0 k. f% z0 A
- arg.e2prom_cmd_sub_addr = 0x290;
$ {/ ^9 k1 T: v8 A8 e8 I - arg.e2prom_cmd_data = buf;& J5 F# j6 P" B
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);# {- c) w/ }8 f
- if (ret != 0) {- g+ B! h+ F. Z
- printf("Device %s write error.\n", E2PROM_DEVICE);
' N& h! B, |# E/ H" z- ~2 A$ G8 F - return -1;
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- 6 H j' ~4 Z. T1 K B: {+ y
- return 0;
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6 Y/ l! C9 |& s" n) ^; ^- int main()& Z2 ^- X! C n+ V# g% U6 ?5 |) b
- {0 ~- i9 Z5 n N9 b
- char c;' Y4 B3 M1 Y( W- @; r
- int i, macs[6];4 @& m7 ^( ~/ T! O/ m1 @
- unsigned char mac[6];+ p ]/ B6 J7 |: q5 {2 j; |
- unsigned char stbid[256];9 I8 c, k, O' S* {
- ) N7 P& B6 n4 d# [" M
- if (readparam(mac, stbid) < 0)
$ w+ x: s0 Z+ _8 C3 a - return 1;2 U4 k& E ]) A0 t% m' t1 o
( f6 {% m0 Q$ U, I I3 X/ ?/ i' O- printf("Current parameters: \n");' q% ?5 L" I' X$ W
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
3 W Q% ~$ S0 I' P8 Y2 g - printf(" STBID: %s\n", stbid);
7 G' l& P) i1 Y8 K6 `- f( D4 U - ! ^7 u7 u4 W/ E6 _) L$ S" j8 z1 d- s
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
$ d3 G5 L: f2 t$ |0 Y2 X) r - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
( G# V1 ]% I2 }/ ?4 |. { - printf("Input MAC error\n");
7 Y9 L; _+ ^5 _/ B6 K. q - return 1;: i' v( n$ N* @% y1 k, g6 j
- }$ q4 Q. k) Z t7 r. W4 t0 `3 L# q
- for (i=0; i<6; i++)mac[i] = macs[i];
, `4 y& ^2 f+ Q0 V. J$ V - printf("\nPlease input new STBID: ");
3 ~7 G r Q P: M6 Q; E' b - scanf("%s", stbid);
& `# j. K9 S/ V% u - if (strlen(stbid) != 18) {6 [: }1 u# {! z- W4 Q4 |
- printf("Invalid stbid\n");
! r) E1 ?2 q4 a. H( |: P1 @ - return 1;$ R4 C1 h# n4 Z
- }% {/ j8 }: f0 |/ o
- printf("\nNew parameters: \n");% g2 X% ~+ L# `5 O( f0 h- J0 r
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);5 j. l/ `! a+ k$ g& Z. w6 J
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
! ?1 Y. y7 I& b& t - for (;;) {
2 r! r! s. {' Z5 s0 O - c = getchar();
6 U, M% ^8 p3 y7 Z+ s - if (c == 'y' || c == 'Y')
, V: E7 ]5 C6 X' S! ~ - break;
9 g: a; z& b3 K$ _$ Q4 K - if (c == 'n' || c == 'N') {
, E9 S* M' U; x5 |. B: x2 F - printf("\nAborted.\n");" E3 @3 |/ k" ~0 Z; V% C- I) o- x$ \
- return 1;3 \) I$ U# _8 H
- }6 C( r# Z; w' R: A
- }5 K% ^) g9 ? B. F3 p8 S4 m% N
- if (writeparam(mac, stbid) == 0)
. K! j7 O. E$ b; }% g1 a/ _ - printf("Parameters changed.\n");1 \ ]8 ?0 X3 a$ T- k* f n3 Z2 V
- 8 S/ l8 ]% G2 Q0 S* Q0 l
- return 0;( D; w1 [- B& I8 M! E' q% v, P1 H
- }
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