本帖最后由 0522 于 2012-3-21 23:04 编辑
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修改的代码早有了。到今天不会编译。/ G+ b/ e. `, z: ?
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
; x5 M0 v8 S+ u7 g( `) T$ ^8 X C5 F# i - #include <malloc.h>3 W2 Z$ E9 z% S6 R' j6 i! P
- #include <sys/types.h>
5 s" @( {% f: b/ V% S; O1 `! L - #include <sys/stat.h>
9 j. L3 _) k' c, p" ?. K9 z: S - #include <sys/ioctl.h>% X1 [) C3 e: h+ O
- #include <stdio.h>
6 P! m% n2 l j: J - #include <string.h>
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- typedef struct {
! I6 B P; v( N8 C( j- z6 h* v - unsigned int e2prom_cmd_sub_addr;1 _: ~+ Q8 ]- Y2 e2 C
- unsigned int sub_addr_count;5 v8 x! h8 P) f: f# e
- unsigned char* e2prom_cmd_data;
3 ]8 e- m) @: X6 [# J1 w- n4 K - unsigned int data_count;8 o& u3 u# [ r4 ]3 S9 W! \
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1
* V* B- Q! M! X( W - #define E2PROM_CMD_WRITE 2& i2 K) u8 D* n {- O. I& {3 x+ Y
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
6 N4 Q. L6 I0 t, p2 G. ~ Z - ; O5 \% s% G$ H1 V6 z0 Z( r8 {
- static int readparam(unsigned char *mac, unsigned char *stbid)7 x( X8 w3 n4 v3 s* I: Z9 F
- {
6 J4 n: Q: p& |( X - int fd, ret;
" J, `* \ F3 c1 x - e2prom_s_cmd arg;. _- v: g) P- f, E
- unsigned char buf[0x18];6 q% `7 S6 K# E: K) I1 Z5 c6 K1 {
- ]9 |& [1 J( P1 K7 h# o; q
- fd = open(E2PROM_DEVICE, O_RDWR);2 C. ?; z" S) H' P" b$ e( U" c
- if (fd < 0) {
! p6 o& t* C. b0 S9 B, } - printf("Device %s open error.\n", E2PROM_DEVICE);
! @: O4 J( d; b8 L5 R - return -1;
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- arg.sub_addr_count = 2;
- R0 O: ?) V9 R) n - arg.data_count = 0x18;8 [0 W5 j3 e/ N) H
- arg.e2prom_cmd_sub_addr = 0x290;! ]* c# q" o1 b' V9 F6 u& e
- arg.e2prom_cmd_data = buf;( i9 P. [( W i2 t7 U% b
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);8 i2 F0 ^, [8 U) I4 \: [
- if (ret != 0) {
I+ t5 [ j& P. |& y2 q - printf("Device %s read error.\n", E2PROM_DEVICE);) J. v1 u% B, `) u" C, k I, s2 s6 U6 h* y
- return -1;
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- memcpy(mac, buf, 6);
; @0 G) m' p% t+ r) u6 r - memcpy(stbid, &buf[6], 18);
2 ^1 x( f& k* F - stbid[18] = '\0';
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$ v5 J: e, E5 [. J1 A! @- return 0;
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8 [: ^- b) n% C+ k- static int writeparam(unsigned char *mac, unsigned char *stbid)
( Y- w2 h$ d6 `: y) {4 ^/ J' E - {
4 e! ?' s8 i* q/ O7 x - int fd, ret;- g: k. S% \" H& @
- e2prom_s_cmd arg;' J @! ~9 V1 Y: c
- unsigned char buf[0x18];
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$ m3 h$ ]' e) B# k$ {- memcpy(buf, mac, 6);5 q- ~* o5 n/ r# m# O
- memcpy(&buf[6], stbid, 18);- n4 L1 o1 A" z* V4 a% ]1 n; R4 C
- fd = open(E2PROM_DEVICE, O_RDWR);; `3 b% b* H$ c) [ y# j( s, I* x, o- @
- if (fd < 0) {
0 `$ {- V2 j- d: e5 j - printf("Device %s open error.\n", E2PROM_DEVICE);
& u+ ?4 q$ ?- l5 c - return -1;
1 V9 |+ ]0 S2 @ - }
% p' v/ X( p( _# S9 S" c! E0 c - arg.sub_addr_count = 2;
& `1 {* d2 C+ C6 b - arg.data_count = 0x18;
: n8 {6 {) `2 q - arg.e2prom_cmd_sub_addr = 0x290;
" Y8 ]$ \4 P+ n; [ - arg.e2prom_cmd_data = buf;+ A5 s6 H- {7 N( g
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);7 E& F. M! y0 C$ |8 c: v
- if (ret != 0) {
2 }* p3 l8 d; j! C/ J - printf("Device %s write error.\n", E2PROM_DEVICE);
, I- c* G8 r1 r6 | - return -1;6 `) {% o6 i! C; I; ?$ Z% h. l
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# O" Q, m* {5 z8 O/ A% B- return 0;& U( F: d# S- q. V% ?' }
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- - v1 C' t" c2 L5 z: D) M/ O
- int main()8 n) _/ n# D! y% p" t/ |
- {
: ^; h7 _4 ^+ | - char c;
6 A3 \- |* k, Y% c, D6 w - int i, macs[6];0 ^2 J# e; U/ O! Z# I" M1 }9 p5 P, Q
- unsigned char mac[6];$ {' E! ]! e/ R( P0 ^: ^
- unsigned char stbid[256];
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: u8 s. o& @# I- if (readparam(mac, stbid) < 0)3 s& }5 x6 ]$ {) `
- return 1;5 I8 X6 @+ a! \" |
0 l, e. [1 V7 i) u- printf("Current parameters: \n");0 L: D/ e7 K0 A# t; ]
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
7 ^) Z2 t" F) W7 Z* @: M' K - printf(" STBID: %s\n", stbid);7 _, A) r9 d) F. q; O4 z
- . A" `1 m% D2 i7 s8 |: T g
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
$ I. o3 M+ g+ C0 l" N0 q, k - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {7 h5 I8 u9 M b6 g5 k# K1 A W
- printf("Input MAC error\n");
3 A( ? X: P9 `0 u3 A- v; P - return 1;
8 i6 D, G. o' Z# v! i - }
0 ]: x- _( }8 p+ L. q* o' P - for (i=0; i<6; i++)mac[i] = macs[i];
* I* k$ M6 i6 [7 s! |4 f' q - printf("\nPlease input new STBID: ");* v7 v( Q5 t$ y" N0 v9 c( _
- scanf("%s", stbid);
4 g8 H4 O# \" }$ J - if (strlen(stbid) != 18) {' H. I- H3 }. @8 z1 M9 B
- printf("Invalid stbid\n");1 B) x7 P- i9 }) D
- return 1;
$ {; F' l, F' d6 B5 s% R1 s$ e - }
2 Q. Z7 a0 u3 W1 { - printf("\nNew parameters: \n");
$ M8 W. p9 b0 X - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);3 G% R) y! F% @* s# ?" J* H0 H
- printf(" STBID: %s\n", stbid);- B0 _* i. S! }% S. e6 O6 U
- , x' f3 t' t* X# }# y
- printf("\nDo you want to change paramemters? (y/N) ");1 t: r4 a# n* n% [1 n3 o
- for (;;) {4 |; Y2 o- \" _ D
- c = getchar();
3 ~# D+ V% P: `8 B& B - if (c == 'y' || c == 'Y')+ j) A( Q8 ~6 m3 s* h6 |( a
- break;$ g* C. l Z2 _* K! K+ \
- if (c == 'n' || c == 'N') {; l$ g# e! M+ W6 a O( a- M
- printf("\nAborted.\n");
$ L5 F& v9 N+ C% z - return 1;( I8 w- W5 L' K
- }
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- if (writeparam(mac, stbid) == 0)
' _6 g( E, \, f/ X: x- b; Y - printf("Parameters changed.\n");* g/ _, h; T3 F; D0 M8 w
9 W# P# x/ P4 a, B, h- return 0;3 G0 j; [7 x! S
- }
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