本帖最后由 0522 于 2012-3-21 23:04 编辑 ' ^) A+ Q" d! y+ H2 W
% a, @& S% g, h2 P0 ]/ x
修改的代码早有了。到今天不会编译。
/ g# O) j! N2 p! V需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>0 j% }& u; w) j P
- #include <malloc.h>" U1 `# ?! y# G
- #include <sys/types.h>0 u& S$ K1 D% i5 ]1 ?) j" V
- #include <sys/stat.h> a* I# s; P* T# f0 J
- #include <sys/ioctl.h>
+ K& T) h- ]2 B9 v7 l - #include <stdio.h>; Y4 V5 X6 s; g1 Q/ [; w& d; l% Q4 b
- #include <string.h> d Y: N& `; e+ t
9 Z! G/ C; q; y v- typedef struct {
- T! ^* K% @! t5 x. G6 b- z - unsigned int e2prom_cmd_sub_addr;0 I% o9 p9 g0 M9 l/ n' w
- unsigned int sub_addr_count;! N; f# c$ e5 q: G) k6 ~
- unsigned char* e2prom_cmd_data; M+ B& W) L7 a6 n" G$ T' l9 C
- unsigned int data_count;4 c5 b1 b, d, H% Y3 h% K# `0 S
- } e2prom_s_cmd;0 \7 A; a, e: Q/ s' g7 ^
- " e; e7 g2 s- y' B8 M4 o
- #define E2PROM_CMD_READ 1' r. v0 R' q9 ~# m. W& a+ m
- #define E2PROM_CMD_WRITE 2$ ~5 X$ n$ J+ j* i: j3 f" G
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"/ u- h8 l; z; x3 f% s: ?4 i
- * f5 r2 T7 L U0 N6 g
- static int readparam(unsigned char *mac, unsigned char *stbid)
Y. F8 C6 J# L! x9 Q - {
) O/ n3 W2 v) r) `8 \. J - int fd, ret;: }% |7 Q( ^: J1 p
- e2prom_s_cmd arg;; V) o6 A5 E4 u: e+ S6 J( y0 L% ]
- unsigned char buf[0x18];
% k1 u9 j2 q5 z5 g: J5 n* a+ L" r
* p+ g( J4 V3 ~- fd = open(E2PROM_DEVICE, O_RDWR);
8 F9 Y/ V6 g4 M - if (fd < 0) {4 u& \( F6 p' b/ f* C8 M; f
- printf("Device %s open error.\n", E2PROM_DEVICE);4 k" g& d9 \3 Y( A' c, h
- return -1;6 x+ O0 o9 `1 H3 B% r
- }0 o$ Y4 ?6 }9 L. ?8 ^8 V$ _0 D
- arg.sub_addr_count = 2;
; M7 u5 C* q6 W. R' _! {7 j - arg.data_count = 0x18;: J2 p7 o! g7 O- Y$ e* q7 Y/ V, T. a
- arg.e2prom_cmd_sub_addr = 0x290;8 t! q2 T! S/ y
- arg.e2prom_cmd_data = buf;
% a+ q2 G) A0 {4 w! }+ L - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
8 [+ [7 R- [7 S, ?3 B! f4 h - if (ret != 0) {
- _, j8 y3 g8 a5 c - printf("Device %s read error.\n", E2PROM_DEVICE);. h. v. G( W$ `5 l9 W; v
- return -1;
4 l3 |, ]) l' D1 i - }1 S6 ^4 v ]+ {: O& ^
- memcpy(mac, buf, 6);. j4 Y3 Q5 s) c! Q8 c- M7 S
- memcpy(stbid, &buf[6], 18);( l: n$ b! _$ N1 K" U9 y7 w
- stbid[18] = '\0';
% M# w, `" R& y& k7 s! }7 E( x - 5 K N0 }% [6 l0 v9 I! k
- return 0;
N; |* N8 d, ~4 q" E/ j - }& l2 T( e) \( s5 ]
- 6 Q! G" u4 g" r' h2 ^
- static int writeparam(unsigned char *mac, unsigned char *stbid) J: x1 [- ?! o2 z8 B
- {
" ?0 H [, }% S1 u. N! O, C - int fd, ret;
x! j1 M2 g. R - e2prom_s_cmd arg;8 P3 o& k. ~# f
- unsigned char buf[0x18];3 L8 n, b: C. [7 o9 q
/ U; z" K; [) l& H( q- memcpy(buf, mac, 6);% a6 y3 X& }& J1 g9 V& n: V
- memcpy(&buf[6], stbid, 18); h' i( b# s/ |$ {! T
- fd = open(E2PROM_DEVICE, O_RDWR);
/ ~# H) {* s7 F - if (fd < 0) {4 T4 N+ E1 s1 E7 @+ K
- printf("Device %s open error.\n", E2PROM_DEVICE);% u y* w8 U4 p) d1 H4 B" m
- return -1;4 Y& w, O& J) K2 C; Q" }% p0 x0 c C
- }
% q4 P: G9 g0 P) M( ]1 K; d - arg.sub_addr_count = 2;& J/ k8 B6 \- E7 L" M3 I7 Q
- arg.data_count = 0x18;# m: ~+ D# L5 d
- arg.e2prom_cmd_sub_addr = 0x290;
! M! {7 w( N. t) L# L - arg.e2prom_cmd_data = buf;
, w$ P8 {2 e/ [# p; e - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
$ ]2 X, d# Y ^ - if (ret != 0) {
. x2 p. M5 k0 B' Q8 _/ B - printf("Device %s write error.\n", E2PROM_DEVICE);3 B$ L. J* k1 o3 C& d- F& a
- return -1;* t0 m3 h# b/ q) C" x5 t
- }
, C% \: t& e7 v' f+ h# S - 9 {3 W% e+ p% B/ Q" P0 Z7 l
- return 0;
% f6 C, v' n1 j - }
; C: T4 ` e' A+ ?4 E& w1 V - + X/ y3 H" V. B W
- int main(); E# a5 }" I) A1 M" c
- {- {5 x! x* f. u2 x# H+ Y
- char c;
7 y$ a# J, ?# z0 r# m0 t - int i, macs[6];
6 l5 q8 W" ~, \0 R( ^8 L7 E - unsigned char mac[6];6 A/ i# T6 K5 m1 i" S) D* s
- unsigned char stbid[256];4 K; U4 I8 R5 C* w6 @4 W& Q, Q0 k- X1 E
) r% ^8 u; U. W- if (readparam(mac, stbid) < 0)
) G# q0 K- m. }6 N7 X+ n, M9 g - return 1;. c G0 ^8 }4 w% W0 }/ v7 b
- V, _4 X3 M4 E0 S/ t- printf("Current parameters: \n");
1 B- l# w, y0 G1 A( T - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+ S# t8 b* b* i: S" K$ G6 i - printf(" STBID: %s\n", stbid);( C2 ~7 K! Z+ L" P" ]
-
' k. ] c1 K3 A1 Y B - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");& O. ?# B' z! l) l7 Y$ D
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
+ X1 N' M9 _. @4 o - printf("Input MAC error\n");
5 S; }3 K: X( _+ I/ F# U7 ? - return 1;% k, {( P* H9 i W/ k4 T2 V* ?2 ]
- }& \5 e. j* H' ~! I9 F/ M% m( R
- for (i=0; i<6; i++)mac[i] = macs[i];- s! t: H* `; J6 a0 z
- printf("\nPlease input new STBID: ");( k/ ?2 n- y: J% X4 T
- scanf("%s", stbid);- `+ ~5 T8 S( H' k! X) W$ z
- if (strlen(stbid) != 18) {
m$ i* f6 w% E2 q, `* \) Y* b - printf("Invalid stbid\n");$ M% M0 W$ U7 X/ i( x
- return 1;* T$ o( [5 e1 w2 @3 q8 o- f x
- }
0 v* R! q2 T* O) j7 s2 i$ G* Z- u - printf("\nNew parameters: \n");
' I. B$ `7 R S8 e, ~6 {- q5 e - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
p! {3 a) {$ u - printf(" STBID: %s\n", stbid);. s+ R1 {0 s) h4 c2 q* R
1 N/ {' d4 y+ g3 x/ x6 @- printf("\nDo you want to change paramemters? (y/N) ");2 J0 K- t0 F& x' {
- for (;;) {
H! e+ g& z! d' A, i - c = getchar();
1 x3 F- G1 \1 k6 p$ B0 | - if (c == 'y' || c == 'Y')/ l+ s4 l+ s& h6 ~
- break;
' H5 ~* I. i) K3 F7 h# g% H - if (c == 'n' || c == 'N') {& L* K* n2 [5 D; ^# j& H
- printf("\nAborted.\n");
5 O' o+ p. j K5 s x! k - return 1;; @- n1 R) @+ F8 u5 [7 `4 o
- }' O; _; Z4 p; e0 a
- }5 d9 [2 D& D+ Q# h) k) B0 @
- if (writeparam(mac, stbid) == 0)
! q: k: [# ^* Q0 ?- ]! ~ - printf("Parameters changed.\n");
/ `% d! E) {& ]6 d
9 o8 [; A6 D( M' W: N' p9 |1 |- b- return 0;
- W# c/ T2 t' e6 O; p) S6 { - }
复制代码 |