本帖最后由 0522 于 2012-3-21 23:04 编辑
- Z4 D. X; i; V U/ K. k& E! o
Y- C: a4 V) m: T# J修改的代码早有了。到今天不会编译。8 u6 Z q) j4 D7 Y {: G6 Z
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>: Q9 c9 V; }# E2 X2 s8 m
- #include <malloc.h>
% r p- B$ a. o6 i, n1 n8 h* N! Y - #include <sys/types.h>
) `( ?- h7 t" Q- Q" z+ B, v$ T - #include <sys/stat.h>* [ \7 B$ P4 ]$ S m& m, u
- #include <sys/ioctl.h>0 Z- D& ~$ H& p4 [, _9 z, p* B
- #include <stdio.h>0 x6 U% V% x9 f$ u+ r
- #include <string.h>9 I1 o2 o2 {$ D# C# B
. {! t3 g ~$ G. ^ m8 R- typedef struct {
- B6 r. S. S/ M- l! {$ h - unsigned int e2prom_cmd_sub_addr;3 u$ |" B, H& a- K: x
- unsigned int sub_addr_count;
. E, q7 x6 F7 ~/ h: ? - unsigned char* e2prom_cmd_data;6 m2 w2 y7 R3 Q/ D# i% ^# [; l
- unsigned int data_count;
& V- B: S4 ^4 O5 Y - } e2prom_s_cmd;
( o7 P2 |! U, b* u$ R6 k) u/ m! h) t - ( Y! H+ V( p6 e7 P X
- #define E2PROM_CMD_READ 1
1 J0 a, v1 C$ z; I' V. m - #define E2PROM_CMD_WRITE 2
" }/ c; Y7 b7 @1 E& G9 x4 J - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"- \: N# W8 w$ ?* ]
- n. C( T) ]0 b- static int readparam(unsigned char *mac, unsigned char *stbid)
. l- E/ E) @$ E6 S f; ~ - {
3 A& m! V0 S8 |+ C0 B; y8 } - int fd, ret;
7 o+ f2 n! F! f5 J! H2 ^4 | - e2prom_s_cmd arg;, b a$ N. L) s0 Q
- unsigned char buf[0x18];8 {6 x0 s/ d# y* X0 C. w5 Y7 S! n8 X8 S
- 5 @* `1 c" w2 f- \$ b" x' S7 T8 }
- fd = open(E2PROM_DEVICE, O_RDWR);7 C- P- C7 b j: l
- if (fd < 0) {, t1 m6 x/ e- A! J) {# Q
- printf("Device %s open error.\n", E2PROM_DEVICE);3 X3 ~! c7 a+ D* ]* J
- return -1;
3 l+ ~* d; E" _8 K7 A( n' M - }
5 r' Z: {+ `4 c& x8 m - arg.sub_addr_count = 2;
, `% `3 V$ N- z7 w - arg.data_count = 0x18;- Z0 ?3 f. R, h0 ]
- arg.e2prom_cmd_sub_addr = 0x290;
! C& j G u+ F - arg.e2prom_cmd_data = buf;
1 e) e/ o4 A3 o; f5 q$ E - ret = ioctl(fd, E2PROM_CMD_READ, &arg);. e; _! b @% B4 J6 T
- if (ret != 0) {/ n# Q8 A7 z3 j
- printf("Device %s read error.\n", E2PROM_DEVICE);
0 o7 b- A- }1 S - return -1;. h4 h4 X! J" ^: \& x5 A
- }) c$ E6 x, a& g7 e% S
- memcpy(mac, buf, 6); U3 `6 c0 d: X* d# s
- memcpy(stbid, &buf[6], 18);
! i) B% U0 u3 X( t; U - stbid[18] = '\0';
) x' r, L% A# O! V1 c
- I/ W, c) x3 Y% R. e5 i) I- return 0;7 J4 w5 M& X7 V9 z v# ?
- }, G8 c1 e! c; t2 |$ t3 j7 c
& J U/ s7 S( `6 L9 U- static int writeparam(unsigned char *mac, unsigned char *stbid)
; Q1 r/ w0 L$ u6 _, k& L - {
9 q3 L# z& f# l# s4 ]$ r - int fd, ret;3 } K9 H, U( `: d1 X1 L
- e2prom_s_cmd arg;8 |$ Q2 t! A8 p& L& p2 p8 H
- unsigned char buf[0x18];4 E; _, K! {; V+ D+ q+ I
; S7 f% Z$ u( E& L- ?1 n4 z3 N- memcpy(buf, mac, 6);5 O k" y l \' B# S8 `
- memcpy(&buf[6], stbid, 18);
5 {( Y, c* b- B - fd = open(E2PROM_DEVICE, O_RDWR);
/ X# G2 k+ v$ d1 D& Y3 e - if (fd < 0) {: r+ Q6 ^: X" z
- printf("Device %s open error.\n", E2PROM_DEVICE);2 c4 @; v: Z' L0 ^1 |- I8 l
- return -1;" I, W( E3 ^4 R
- }5 }* J* M) \9 Z1 j1 {
- arg.sub_addr_count = 2;
3 d. Q H* N# a5 }5 ]/ g# a# Q- _% t - arg.data_count = 0x18;
4 W, r7 B# _; d$ a ], q9 M - arg.e2prom_cmd_sub_addr = 0x290;3 W4 k& Y, B3 B1 {5 B
- arg.e2prom_cmd_data = buf;. T1 N+ ]( S( v8 X
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
# M7 O! Y2 D7 {: k/ H. w0 k4 V - if (ret != 0) {8 r; N# I* q0 n" }
- printf("Device %s write error.\n", E2PROM_DEVICE);
$ E1 M* ]' A0 u# R - return -1;$ e/ H3 k' z( @3 s" i# s
- }% e; R6 }& i+ E' S& y4 F" X
9 I1 G0 w q! h' E5 O+ B$ O3 B* ^- return 0;. U0 y- `+ @& R
- }
9 X/ [) V9 u+ }1 Y) F - 4 F) W& H r* H9 G% l# O
- int main()
, {, \8 t* Z% y) R3 s% L+ B5 V7 h - {
7 u1 U' d/ s8 L. G9 b6 u# q0 X3 q0 _ - char c;
: f8 L5 G# y$ [+ m q - int i, macs[6];. x& q6 ` }4 _% I4 N
- unsigned char mac[6];
+ J7 i G7 m/ g& f5 K - unsigned char stbid[256];1 G5 w6 f+ S C
) _7 [* d8 w2 V. O' V- if (readparam(mac, stbid) < 0)
8 ]4 F# s5 z9 a- y/ D - return 1;' E6 s; d; l, b% y, p! u
2 S3 @* C0 o3 v+ S& C) \7 m& o1 W- printf("Current parameters: \n");; I* @3 ]# r6 r- G7 @8 d' k
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);; h% Y8 z& Y& n+ s
- printf(" STBID: %s\n", stbid);; w5 o4 s' W( w9 m: F" ]2 M1 N
- : ^6 a' p* t3 J( b! i1 ]- X! D; o
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");2 ~& z/ `; F- w6 V: M/ q3 l5 ^
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
( @1 Q$ d! q! V/ r; y2 H* G" n8 g - printf("Input MAC error\n");
2 p$ |6 p$ \: S( r" M - return 1;
3 u- b% M5 b; z1 x2 a; j - }
; q! ?. j7 K7 `% Z9 f - for (i=0; i<6; i++)mac[i] = macs[i];% N; W1 m7 t* u
- printf("\nPlease input new STBID: ");) @( T P% i s n+ p2 {
- scanf("%s", stbid);
' [, R1 k1 N/ u+ x1 }4 p. C0 w - if (strlen(stbid) != 18) {
6 B$ r) |& F; L& ?9 p* ? - printf("Invalid stbid\n");
2 h: ?# C4 o7 B( P - return 1;0 r2 A: B3 L2 U! p6 G
- }/ g+ J+ n R" v: f5 z! E5 O @
- printf("\nNew parameters: \n");) O3 D3 C. m- d; S
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);4 k8 k$ y5 @1 }+ w/ r: L9 F
- printf(" STBID: %s\n", stbid);
, b5 C) V. G6 O, X2 Z6 ~/ f2 e
) Y2 }" P& W d1 u- [! h6 N- printf("\nDo you want to change paramemters? (y/N) ");
! o3 t% E* B7 k3 a3 | - for (;;) {- L% P! G1 I7 |3 C
- c = getchar();
6 p" y. ^! H; [ - if (c == 'y' || c == 'Y')+ g: E5 m3 U4 X4 P4 e
- break;
- R& O$ s$ Z" K2 u - if (c == 'n' || c == 'N') {1 Q5 t: b+ c$ A& {) a2 {
- printf("\nAborted.\n");8 f0 k9 V3 N" U! {- W) |6 {' V
- return 1;
. |4 H# f* R, k - }
. e' z5 U9 y- J$ S# w' I u' q: B- q c - }2 j. C: ^% V, W7 l9 Q( f8 l
- if (writeparam(mac, stbid) == 0) 7 Y, B, ]# ~; g! r) s7 N
- printf("Parameters changed.\n");, M. |; ~6 l& \- Q, H
( P; o9 Z' A: q! N' Y- return 0;
5 D% q/ _) ?9 ` ]! k. a - }
复制代码 |