本帖最后由 0522 于 2012-3-21 23:04 编辑 : Q0 n1 H7 f8 B' S" @9 ]" X& b
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修改的代码早有了。到今天不会编译。
' q3 G5 Z7 Z6 x7 S需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
# W5 J( D. d- @2 z - #include <malloc.h>+ n3 Q6 R) I+ u+ [
- #include <sys/types.h># F0 j, _7 p3 d# L2 g
- #include <sys/stat.h>
9 m9 U+ f" B3 E& Y" b. B - #include <sys/ioctl.h>) `3 B# F( }( V
- #include <stdio.h>
0 g7 H6 ~) _1 O- H# w9 X+ g9 H - #include <string.h>* j8 m- u5 s2 Z5 j% t- O
- ! H% Y, x) q# k/ Q1 O# p. [! H
- typedef struct {$ L& t) ?+ X0 F9 ]/ Z
- unsigned int e2prom_cmd_sub_addr;4 R6 \0 R$ r" t: _8 ]) }
- unsigned int sub_addr_count;
% h. y7 b6 l6 L - unsigned char* e2prom_cmd_data;. [/ Y0 f0 }2 i" s: Y5 B2 ~: ^
- unsigned int data_count;
) E# v( g1 F0 _; k8 D - } e2prom_s_cmd;/ ~, U0 y2 e( n" i) M4 x
- 9 B& s# F9 a$ x
- #define E2PROM_CMD_READ 1! y3 W: S# [* V$ S+ w* s* d
- #define E2PROM_CMD_WRITE 2
2 ~7 e+ U5 ~7 ]: V$ p4 v" b9 v0 g" H - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)/ r# H T9 @' _9 |
- {
! C2 D. ^/ D; q! ^5 `3 o7 Z; \ - int fd, ret;& f1 H( H& a5 l( ~1 m7 w
- e2prom_s_cmd arg; c$ z, k7 u- g* ?6 F8 K: k
- unsigned char buf[0x18];; P/ k% U P- I m# F$ `. d' M5 D% \
- & x* c f0 {2 @- o
- fd = open(E2PROM_DEVICE, O_RDWR);* W. p! P. z3 h$ A
- if (fd < 0) {$ E" u3 x' H* d, e% h' c
- printf("Device %s open error.\n", E2PROM_DEVICE);
% S) t; A/ J& H6 L8 E+ h - return -1;% }9 o* A I- O ^4 R
- }/ C$ ~. m% u- P" l& @2 _4 V
- arg.sub_addr_count = 2;2 d) `4 N& K8 s; }1 a
- arg.data_count = 0x18;" _7 p6 I. Q. j0 Z* J
- arg.e2prom_cmd_sub_addr = 0x290;* C& W7 T, l( n& A- d4 c
- arg.e2prom_cmd_data = buf;
% b% A5 F- f4 c5 [ - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
# }# c3 ~% A ]& S, W - if (ret != 0) {
" x) f: _0 X* q/ L4 e - printf("Device %s read error.\n", E2PROM_DEVICE);
, O1 J- U4 W. i - return -1;/ E! r5 Z+ D1 e3 ?0 m
- }/ c' P; l0 R I5 p
- memcpy(mac, buf, 6);
2 B5 k7 x, ^- w - memcpy(stbid, &buf[6], 18);2 C7 H; X/ X8 M3 a+ X/ t5 U
- stbid[18] = '\0';
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- return 0;0 {( R: A* V3 Y& N3 [$ @0 g) }
- }
: ?3 b( N) `% U6 c - ; Y7 o; ? p2 j' A& o# S( }
- static int writeparam(unsigned char *mac, unsigned char *stbid)+ t, D. M% c& G; w
- {) t* [3 ?0 \0 C& R6 v' w
- int fd, ret;
8 X) |% y! M# _1 ?. P' d - e2prom_s_cmd arg;1 T0 b5 I' {% i$ E( @8 j
- unsigned char buf[0x18];& R8 ~1 v; t+ m, V! b+ ` L
2 s# x: E4 t) x% {! k- memcpy(buf, mac, 6);
; B+ j7 ?/ v) h0 }; R8 \ Q - memcpy(&buf[6], stbid, 18);
5 K! x# C9 `1 z6 V - fd = open(E2PROM_DEVICE, O_RDWR);
4 C7 `7 b/ X2 d0 u% f/ C - if (fd < 0) {1 G- J$ `8 l) d* B3 E j' f+ ^
- printf("Device %s open error.\n", E2PROM_DEVICE);1 o0 x! C8 ?1 L5 Z. Z0 o; y- d- h
- return -1;; n T1 m9 z D
- }5 i& G [- ^& y6 t: T. ~7 S% p/ W" j( ^
- arg.sub_addr_count = 2;
' y+ q3 H3 j: }1 \6 T - arg.data_count = 0x18;; `' m% X0 p: P
- arg.e2prom_cmd_sub_addr = 0x290;/ M6 x+ G5 y* ~- e7 {0 b: G
- arg.e2prom_cmd_data = buf;
$ Q$ S1 f& I" g: m; ^ - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
5 Y# o" w# j6 s6 ~, F. A: f - if (ret != 0) {+ O" @2 b. L ?& n; n
- printf("Device %s write error.\n", E2PROM_DEVICE);5 [5 w& B: V2 M" W' I9 d+ d! I
- return -1;& Y9 O% X$ @/ Y& z! t* l8 G0 b
- }
$ m8 \6 D. x" f
0 [. ?) d9 s r4 S* x" L8 L- return 0;8 @1 G' [8 X1 b- B6 z( U8 G
- }
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- int main()
0 N" s- |5 Z& V" b+ A7 ]- r7 a - {
0 E: o: t4 B3 O - char c;% N6 k N9 s* w& W' ~
- int i, macs[6];
/ ~3 J0 k7 w+ e4 q) } - unsigned char mac[6];- N2 z2 G- n. R: H' f( H
- unsigned char stbid[256];; B5 h' | m+ `( M0 `# j+ ]( y
5 ~0 X2 W# U" E9 t- if (readparam(mac, stbid) < 0)4 [! K+ G9 W5 n$ j$ v! Y- M) u
- return 1;
: \( \9 h, Q5 |8 X: q v - 8 x0 k' Z; ?9 N) f8 k! ~
- printf("Current parameters: \n");; s+ R Z3 D! @+ K
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);5 s: J4 p ?3 v2 d7 ~
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
- ^( S* a) R. \: m8 u2 q- g2 R1 k - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {1 d! V) a, W- M8 c8 C
- printf("Input MAC error\n");
9 B' t! M' Z- j4 |# _ - return 1;
) V& h) m* F' Y' {( E, T' F0 c - }/ v& ^" P2 \+ l- y
- for (i=0; i<6; i++)mac[i] = macs[i];
" @+ u7 F( J* N, \+ _ - printf("\nPlease input new STBID: ");
( H9 c" v( Y1 j. W$ g% C! L - scanf("%s", stbid);& p5 z9 T* Q$ y) y% h- ^
- if (strlen(stbid) != 18) {
]6 \6 j4 y% V& _: B- e; p6 e - printf("Invalid stbid\n");
* O0 z5 g( q! K* e9 A* j! ~ v - return 1;# Z+ w3 y# i( B$ o! `4 A' D9 ]
- }
5 `$ n8 @5 x8 I, e- e - printf("\nNew parameters: \n");
* _7 L9 x' N8 `0 k4 y { - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);# k0 i& y5 S n3 ]1 g
- printf(" STBID: %s\n", stbid);' e( d3 j- z+ T
- " c. f& d3 k7 r- l/ F& }
- printf("\nDo you want to change paramemters? (y/N) ");
8 a$ Z, m2 {6 a! Y - for (;;) {
* u3 d1 o/ k! r8 E/ B2 F' J - c = getchar();) y2 w! m5 a* q1 C+ P
- if (c == 'y' || c == 'Y')
3 m: q# F; ^, X5 Q - break;7 O5 A- Z1 M' P% M% a
- if (c == 'n' || c == 'N') {
& K7 G% r! ~1 O9 b! L9 g3 m - printf("\nAborted.\n");
7 e2 g, N$ o+ H1 w; Z7 B - return 1;
# \) p- U( d% x - }/ E' _* N: e8 [" q% u
- }: h) u* h0 T' r( K3 T7 `, r& E
- if (writeparam(mac, stbid) == 0)
+ ]- ]! E. X9 n; I - printf("Parameters changed.\n");
! j6 E3 P% } L. ?
% p7 J+ s2 o0 b3 W; n- return 0;- D x1 T. h( V) ^) h0 U
- }
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