本帖最后由 0522 于 2012-3-21 23:04 编辑
/ E2 Y, v* `: L* R4 {
( x" X: x, a7 Y& x: B) {0 D9 Y) q* R! s修改的代码早有了。到今天不会编译。
( h" p4 _/ j J$ l" `需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
' m: _" u! x& Q# W) X8 j - #include <malloc.h># k% S4 X6 O" J& n0 \! w
- #include <sys/types.h>5 X+ `! g' q& f# d+ K( E8 c7 R
- #include <sys/stat.h>
+ m( `5 M- w) ?1 Q. t4 i5 V - #include <sys/ioctl.h>: L' M4 a, ^- O( u! n
- #include <stdio.h>1 W% Y( Z6 M9 p# c: K
- #include <string.h>+ ]2 U9 {; r' q1 z L
0 S) o2 ~0 Q1 _/ X- typedef struct {
$ r7 I6 Y: D" h+ y6 F - unsigned int e2prom_cmd_sub_addr;, p! V, D" V [" b9 s
- unsigned int sub_addr_count;! d# t* j: ]6 z( b2 h" f
- unsigned char* e2prom_cmd_data;
) @4 E" h7 d7 T' R& h% r2 I - unsigned int data_count;$ x: ^1 w, F0 ~9 }: o! t2 a4 r0 c
- } e2prom_s_cmd;
* i/ p, n2 T# ^: v
, v' }' ]' x3 n6 T- l/ c" U: f- #define E2PROM_CMD_READ 1. p! n+ P Q A% @9 L7 |
- #define E2PROM_CMD_WRITE 21 |. X: V* p, E, V7 G0 Q. h
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"6 o* y1 w) _3 m
& F, }( G7 q: V% n- @! n( o- s- static int readparam(unsigned char *mac, unsigned char *stbid)
3 u2 i% G7 n- R - {& T) I" Q* Z' N
- int fd, ret;
7 _5 k# h4 U9 g. _ - e2prom_s_cmd arg;
, D8 v$ Q/ w3 s* g - unsigned char buf[0x18];8 r% J" `& J9 ]8 e
, V. L7 [5 c2 I# ?6 x- fd = open(E2PROM_DEVICE, O_RDWR);
1 M' I, e% |6 A1 u7 S - if (fd < 0) {
4 U% D5 p! v2 j - printf("Device %s open error.\n", E2PROM_DEVICE);+ r2 g, K8 g4 ?- \1 y, i. o: `
- return -1;$ X; ~. [. F3 r: z
- }
+ N$ F2 {9 t3 i3 c - arg.sub_addr_count = 2;
; O# E0 ^' |( G - arg.data_count = 0x18;
: K. J; ?% l- d9 l, \ - arg.e2prom_cmd_sub_addr = 0x290;5 Y/ P: j9 `2 j8 N% X* j8 M
- arg.e2prom_cmd_data = buf;
# T& j9 r5 w3 W/ ] - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
6 i' f8 m6 l2 ?3 e' r2 Y - if (ret != 0) {) j3 {2 x9 f. K A8 P; y3 y; D
- printf("Device %s read error.\n", E2PROM_DEVICE);; L! ^& F" K, G, p) A$ ^
- return -1;
]/ K- x- U# l' @; [ - }
0 I4 }' n0 y" Y) B - memcpy(mac, buf, 6);
3 C" F# \ f' ~! i, B+ m6 T - memcpy(stbid, &buf[6], 18);
: R; f) I; j& H: W - stbid[18] = '\0';
+ G) D# T) m. n- h, r2 ]
8 j( c" i. g2 v/ J) O n- return 0;
/ s# E" C$ |2 W, l& d - }
- r; N5 f8 ^7 e1 @7 x7 b - ' l4 H3 S4 W8 T
- static int writeparam(unsigned char *mac, unsigned char *stbid)& |0 e. e, O8 d0 S, ]6 Y2 n
- {
$ Q' B1 f/ J4 } - int fd, ret;& }( _3 ~# N6 `8 P* e+ A
- e2prom_s_cmd arg;
; ^2 J. x; k j* `; k& f9 I/ h - unsigned char buf[0x18];
( G) A9 M2 P" ~ N' Q" c
$ H8 ?9 S7 L/ P* j8 }1 v- memcpy(buf, mac, 6);4 |( a4 c( b& R
- memcpy(&buf[6], stbid, 18);7 d+ }/ z; _. D, o/ W
- fd = open(E2PROM_DEVICE, O_RDWR);" x/ z( l6 ~" j- Q9 A
- if (fd < 0) {
8 d! R) a) h0 n- y# y0 X1 `: x - printf("Device %s open error.\n", E2PROM_DEVICE);
# a# f. G4 z1 r* I6 u: Q - return -1;
6 J+ T9 r! S9 b0 b% d% y1 n- o - }. X0 @& y: e6 ^
- arg.sub_addr_count = 2;; N6 Q9 k& o- `3 S9 o
- arg.data_count = 0x18;
I; p8 A* _" _$ I5 e5 e" H - arg.e2prom_cmd_sub_addr = 0x290;
- \0 H1 ?0 `, x! n* \ - arg.e2prom_cmd_data = buf;; r+ m9 i: r l$ V, L
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);+ @- {5 R: t9 }8 D$ M6 N
- if (ret != 0) {
% Y6 w7 L* l& [2 l8 T - printf("Device %s write error.\n", E2PROM_DEVICE);* x: V$ y: Q' X! j
- return -1;/ {0 Y/ U& r; }. H( c H- ]
- }
1 b9 t/ E- C3 m; W1 ~. u3 w. ] - 0 F8 O, ]1 h) c( K( Q# _& @+ T
- return 0;
( @5 g% @: ~! } V" Q0 \" D - }2 D+ S* c5 y& S! H: `1 Y7 x
- : d& A, s: h3 V5 W6 F$ F. p7 [
- int main(), K5 l# T4 X" v% L: ~' b s4 c8 ~
- {
C5 y1 b6 f$ ?* }- i - char c;
0 r6 |, r7 f, Y - int i, macs[6];
6 r6 }7 Z2 ]$ B - unsigned char mac[6];, _: X- Z" j1 R) w4 i' D8 z. W
- unsigned char stbid[256];5 C$ Z1 e: e- L
- 9 s, e- ~1 r1 n Y1 _! D' i
- if (readparam(mac, stbid) < 0)
, ?8 b: h7 E0 ?" o - return 1;6 n1 l' X6 l& h' x
- ( T: j% S( x, s
- printf("Current parameters: \n");+ _% N7 H0 ]' V: ^
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
* k5 u) n$ ]6 ?/ i1 p/ O - printf(" STBID: %s\n", stbid);& C+ M7 S2 S- W7 N- A
-
! F4 u. T& u+ ]6 V - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");3 p+ z5 H+ K9 n+ f$ Z5 m
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {$ J/ O$ c4 K* f
- printf("Input MAC error\n");7 G# t! W8 j7 X) `( l9 Y
- return 1;. y9 H0 d9 f; e9 \) k* V$ g
- }* m' m2 n* _' h9 x( ?& f
- for (i=0; i<6; i++)mac[i] = macs[i];
9 Y+ F3 v: a) Z. m. L - printf("\nPlease input new STBID: ");% m7 i, T3 u4 _* i* I
- scanf("%s", stbid);# k. q4 s. J. z3 o
- if (strlen(stbid) != 18) {
& s6 D5 d) N! t - printf("Invalid stbid\n");# m' q$ x# v8 V) p( Y( |& e9 q. j, U% m
- return 1;
! {3 v s- N( o) n, }; z - }+ Z4 G; c! K4 {, k7 t1 p; I
- printf("\nNew parameters: \n");
r& K, v& e& i4 W1 f3 q; w2 x) Q - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);1 H: z% j2 o* @. C2 Y
- printf(" STBID: %s\n", stbid);' p5 z/ u3 M% b6 I- j
' z) `- \- q6 t3 B2 m8 h8 Q! d- printf("\nDo you want to change paramemters? (y/N) ");& V: }1 A* Q: y4 T5 F. j
- for (;;) {
0 N( i9 y. s7 |* N8 E, D: N5 q0 @ - c = getchar();
+ |$ N, u9 Z6 H2 c - if (c == 'y' || c == 'Y')8 V$ T I& X' B2 U; ?
- break;
" }1 D" a5 _/ v* v - if (c == 'n' || c == 'N') {- f! j+ x j- i$ l& X' u
- printf("\nAborted.\n");
- F9 T* g" }; h - return 1;7 `& c1 o6 `3 R4 z$ n# M
- }
) c9 w1 |' H9 z% k5 t - }# W5 t$ }, g, x! ?! h& t
- if (writeparam(mac, stbid) == 0) " S. c9 H" }4 g# Z4 @7 @
- printf("Parameters changed.\n");
m; X, q" U) [; S7 J - $ r- H9 @1 {; Z, g, R
- return 0;$ _2 H2 R0 s+ M4 g: O
- }
复制代码 |