本帖最后由 0522 于 2012-3-21 23:04 编辑 ' F6 k* t% S) g
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修改的代码早有了。到今天不会编译。0 e" ]+ U8 o" w. A
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
; x) j! _, v6 r4 f - #include <malloc.h>" n9 h& e+ z7 S
- #include <sys/types.h>4 W" z, t# x- P# A
- #include <sys/stat.h>
+ E5 a: G3 r( P" A# B8 w3 D } - #include <sys/ioctl.h>
9 L( F4 ^1 U; r1 G, f, S- O - #include <stdio.h>
( k, R% k6 Q. o' y" q% y3 D - #include <string.h>
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- typedef struct {
, I: e2 l. l1 h4 X7 x - unsigned int e2prom_cmd_sub_addr;: m; [8 O; C% B: @+ S# F9 r! L! Z
- unsigned int sub_addr_count;$ P9 T$ K+ n8 U; z
- unsigned char* e2prom_cmd_data;
$ g, [) k, i; p6 _! M5 M0 u, ? - unsigned int data_count;! ^4 B1 t/ O. a* L
- } e2prom_s_cmd;
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+ a& e" a2 c+ ~2 c- #define E2PROM_CMD_READ 1
2 I( D# h( I$ \! d" I, V5 l) |0 V7 V - #define E2PROM_CMD_WRITE 2/ g! i) y9 W- j8 ?6 g( B" e
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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& _; ?, `0 W C" a. G0 m- static int readparam(unsigned char *mac, unsigned char *stbid)
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0 E" P; G Y; U, i; [ - int fd, ret;8 i6 Q1 V9 c- O7 a
- e2prom_s_cmd arg;
o( K U7 e3 V9 R: |% u! J' A, K% k - unsigned char buf[0x18];7 ?+ x$ l/ }& d
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- fd = open(E2PROM_DEVICE, O_RDWR);
; n2 U" _8 g1 E" T; r8 z - if (fd < 0) {
+ ~5 y" s: o2 C; ~' c - printf("Device %s open error.\n", E2PROM_DEVICE);5 x R5 h. S- W+ F: X1 T2 D8 _
- return -1;
) T4 |) s' r- I( @ z% Q- r% d - }
+ D/ W4 M+ r, s8 A - arg.sub_addr_count = 2;9 ?; g6 N* h! h$ D
- arg.data_count = 0x18;! Q5 L+ }( L5 ?
- arg.e2prom_cmd_sub_addr = 0x290;
$ t3 o* p( n' t7 c% g* \ - arg.e2prom_cmd_data = buf;
$ j4 Z5 r$ J4 c% I - ret = ioctl(fd, E2PROM_CMD_READ, &arg);# M3 k/ c4 }& \' Y) |5 \
- if (ret != 0) { l) B9 z+ h# H& K7 w
- printf("Device %s read error.\n", E2PROM_DEVICE);
! N$ ]2 v- |3 Y1 p( d6 p) H( P - return -1;% E# D8 u/ [0 h, L5 q+ ^
- }
# G+ L. a" z! E I& d - memcpy(mac, buf, 6);
1 u+ R+ _ V f3 L6 d5 c - memcpy(stbid, &buf[6], 18);
8 q k9 y; M8 J' d4 I - stbid[18] = '\0';
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5 X2 G" P# P% Q5 K' z! G- return 0;) b4 K8 ?5 y# {- |' S
- }
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* F) O/ d+ t! I- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;( R4 U/ \2 q2 v" F
- e2prom_s_cmd arg;/ B, }; {- Z2 _ [* C
- unsigned char buf[0x18];2 [. u9 d/ q' x. x
) T* S2 \, I1 |7 r- memcpy(buf, mac, 6);0 H' v- y* t& g$ {/ Y, h
- memcpy(&buf[6], stbid, 18);, O- W. C3 \" m: U
- fd = open(E2PROM_DEVICE, O_RDWR);
6 ]8 t* H: ], q/ I; U - if (fd < 0) {
/ P" e" m: Y8 k1 {, d1 b M, V - printf("Device %s open error.\n", E2PROM_DEVICE);+ y; E& b7 C# S- h% @" b
- return -1;
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- arg.sub_addr_count = 2;8 O: i6 ~+ a2 k- B; E9 H; H
- arg.data_count = 0x18;
$ G. h# E' R, k* h# Y% H - arg.e2prom_cmd_sub_addr = 0x290;
( X; q" I- [& ` - arg.e2prom_cmd_data = buf;
4 O* r7 W; b4 a: P - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
+ o6 i7 }( n; O: q% X - if (ret != 0) {
3 h& a+ F2 Z0 b6 \ - printf("Device %s write error.\n", E2PROM_DEVICE);7 m5 g. G" ?3 X- e" l* X+ J
- return -1;
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# y& L5 c( @$ v# c5 c- return 0;; D' p4 \+ A# |0 Y& ?7 U4 o5 S
- }3 q& j3 [8 H) l- }
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- int main()
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- char c;
# G6 g0 p6 U; z - int i, macs[6]; M7 e4 c& m; }
- unsigned char mac[6];( v: L0 \8 ~2 F" x- f7 c) |
- unsigned char stbid[256];
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8 V0 ^5 D5 y7 l0 f6 A$ Y! e( u- if (readparam(mac, stbid) < 0)# h& r7 t* O W4 ?
- return 1;
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- printf("Current parameters: \n");; g& m4 D: v) }% b, V
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);$ N) c* m" m& i+ |4 b6 I$ e
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");+ H" u* ^3 Y: S
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {( Q8 V w* y- l* x
- printf("Input MAC error\n");
: n7 O" s, \1 z* T6 Y o( y2 `$ ?( s - return 1;* M9 p, P6 D o* b# _" J
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- for (i=0; i<6; i++)mac[i] = macs[i];. B6 B6 c' K7 G% O! v. P
- printf("\nPlease input new STBID: ");5 S g9 ^) s6 Z$ l: G; a
- scanf("%s", stbid);
/ c6 q( ]8 k6 v5 T& C8 ~; {& O1 O9 a - if (strlen(stbid) != 18) {
8 W$ y9 T" J, k G5 T - printf("Invalid stbid\n");
6 U8 ^8 d( v- V D - return 1;1 G2 ~: v4 ]0 `$ |- h, w
- }
3 w) n) j: I' }7 R# l - printf("\nNew parameters: \n");3 C0 K7 @% D6 N- ~: T; ^
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
/ z; a2 ~' t; v6 f - printf(" STBID: %s\n", stbid);) t J* O. ^1 r4 H$ B2 J+ b
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- printf("\nDo you want to change paramemters? (y/N) ");
$ {# N7 ]) a! d S* @ - for (;;) {+ M' X0 O% U2 F o8 d
- c = getchar();
) N& b2 Q$ P8 U: D - if (c == 'y' || c == 'Y')# d: Q; d1 T+ o0 d5 L
- break;
* g" D$ [3 U0 V - if (c == 'n' || c == 'N') {% s W; x A; V# {) {( A* G3 s
- printf("\nAborted.\n");4 ^' }/ L. x2 A. y! A
- return 1;
y$ `8 {* M& R) l2 F2 Q' } - }
- c9 R0 N+ O7 s$ q( S& P2 Y - }
G1 Y& j5 P y2 P% _ - if (writeparam(mac, stbid) == 0)
( e8 G( H* c# A# P' G* D - printf("Parameters changed.\n");4 n* e- D' F' Z- x, R5 l, w2 ^1 O
" @7 G! y8 T1 l! p5 Y- return 0;. W) p- ^ X W9 f1 x! Z
- }
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