本帖最后由 0522 于 2012-3-21 23:04 编辑 . \, e2 n) @& ^3 g- n: j+ {# k
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修改的代码早有了。到今天不会编译。. r5 z f9 D* ]" Z9 B
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
/ X& L8 s- H6 \' n; P- f - #include <malloc.h>: ?; t4 R! S1 h3 e5 N/ q6 m/ {
- #include <sys/types.h>( D" k8 N8 U$ q v2 n
- #include <sys/stat.h>
( |- `% |* E; x/ S% j& F! O5 ^1 R, w - #include <sys/ioctl.h>/ W. \' j$ \: U% I+ }1 A
- #include <stdio.h> l- ^( z% r, J/ f; v
- #include <string.h>. t# {9 E* P g) |( V
: Q _/ ~, @' V1 N% y8 y9 m- typedef struct {
- E& K( G' K% B& i% c- d - unsigned int e2prom_cmd_sub_addr;* S; M" d2 x$ x; H! a. F7 I4 y8 `3 A2 @8 z% F
- unsigned int sub_addr_count;
6 L+ Z {% B2 U$ s - unsigned char* e2prom_cmd_data;" f$ S8 b6 U' s2 H
- unsigned int data_count;, b9 l) \& k) X" j( m, `) U
- } e2prom_s_cmd;
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( |: j# t/ _: N. s- #define E2PROM_CMD_READ 1
$ Y1 Y; x9 C. L0 ]* E( E3 i+ f - #define E2PROM_CMD_WRITE 2' i/ `7 f9 u: @1 ^# w6 d
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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9 s- {. D8 A0 p9 V- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;! G* t6 e5 `& R) N* Y3 V# S
- e2prom_s_cmd arg;
% X+ u1 h' Q. p$ A! q - unsigned char buf[0x18];
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4 c! d7 C0 m5 h3 c; p1 b- fd = open(E2PROM_DEVICE, O_RDWR);5 N& f( [/ L+ M% `0 _; q! l5 t
- if (fd < 0) {
' v( \( U6 t: g& B g( y - printf("Device %s open error.\n", E2PROM_DEVICE);
5 _2 w2 _3 B0 K0 E/ u$ ]7 a9 p- v! o - return -1;
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- arg.sub_addr_count = 2;
6 J3 R% Z: w6 y- g8 u3 ^ - arg.data_count = 0x18;; ]3 | N7 q5 ?9 y/ t
- arg.e2prom_cmd_sub_addr = 0x290;
( F% u; ^6 J L% ?# L" @3 f# ` - arg.e2prom_cmd_data = buf;
! A Y+ t' D; L" h7 _5 R% [ - ret = ioctl(fd, E2PROM_CMD_READ, &arg);5 l, f6 U/ m+ D) n2 l) ^( c4 S
- if (ret != 0) {9 M! k. Q9 V3 `) @: j6 J; r& A
- printf("Device %s read error.\n", E2PROM_DEVICE);( c! W l5 K, P; u
- return -1;
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- memcpy(mac, buf, 6);
1 p v8 [- E$ W* R - memcpy(stbid, &buf[6], 18);
/ k6 u- `( U( w2 ] - stbid[18] = '\0';, h, p+ D: T+ B5 p6 i5 I
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- return 0;" j5 B- L, \* u$ h* ~$ K4 w1 ~
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- static int writeparam(unsigned char *mac, unsigned char *stbid)1 Q9 t {2 `2 R3 U) z1 \! i! \
- {
/ @5 {7 N0 _2 j3 i7 U2 k - int fd, ret;
" P# f- s$ E- U" E% f - e2prom_s_cmd arg;( [% K J, \# B2 @
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
; H" f# O, P3 V1 T# L5 Z - memcpy(&buf[6], stbid, 18);
; ^8 v% g4 M: X6 j - fd = open(E2PROM_DEVICE, O_RDWR);
) b0 f6 E% X' \ - if (fd < 0) { N" U$ G3 ^- M9 ^4 R4 f
- printf("Device %s open error.\n", E2PROM_DEVICE);# e! m$ _) \! ~+ [; _
- return -1;& [0 `0 t) C% P& L) S
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- arg.sub_addr_count = 2;
3 [1 Y) L$ t/ f! Z - arg.data_count = 0x18;- x. I9 M9 J+ V; ^0 z5 D
- arg.e2prom_cmd_sub_addr = 0x290;
9 v& g9 ]% n1 s$ S2 a5 v7 e - arg.e2prom_cmd_data = buf;+ H, U" j! m2 P
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
8 L9 ~8 b/ W* k+ C5 y! w. I6 e4 V# y - if (ret != 0) {$ w9 M' ~: D o% V" O" W r
- printf("Device %s write error.\n", E2PROM_DEVICE);
# L0 k# W, C# w! N1 i3 X - return -1;0 ?. z F2 L, A3 Z
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+ ^2 f6 y( Y: a& t J7 F0 H# M( q- return 0;
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- int main()
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( J9 v# R0 ^) n M - char c;
9 J8 p4 g M$ j. x/ t0 ]5 T - int i, macs[6]; l4 U8 t* M3 V
- unsigned char mac[6];
2 U% w8 f- S l. i& r - unsigned char stbid[256];
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% H5 v9 B) f. q' f( x# G- if (readparam(mac, stbid) < 0)
, d8 Z# j% x5 q/ ~. b - return 1;
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) a) D7 a) T, {' ?- g- Y: h! ]- printf("Current parameters: \n");
' q. r D% F. C3 y - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
: ^! D2 P2 e: k1 U. P5 V* ` - printf(" STBID: %s\n", stbid);/ L7 G) n) C4 N* S7 v/ r6 z
-
6 @0 I' ~, O8 ?6 Z - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
) e8 o: y3 j1 b& ~% x - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
$ @" B& p& `8 }8 X# D - printf("Input MAC error\n");
9 B6 m) C7 r3 L+ }5 z; Y - return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];
3 ]7 i4 M% Z7 i$ m. @ - printf("\nPlease input new STBID: ");9 P" y- Y% L4 x n$ w
- scanf("%s", stbid);
8 b" F! V" u, G - if (strlen(stbid) != 18) {
9 L0 Y% c4 Z& o - printf("Invalid stbid\n");, k0 W# |* m7 C+ F6 H I
- return 1;
2 C# E1 l8 D! \8 d1 E - }
/ `$ O- {2 m/ S1 Z6 l" l0 P - printf("\nNew parameters: \n");* k- L9 J/ C8 o# D
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);0 V' x% `3 D% I% u# a+ B
- printf(" STBID: %s\n", stbid);
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8 f" y- F) Q5 X* E5 C- printf("\nDo you want to change paramemters? (y/N) ");* u6 x, j P% _
- for (;;) {
, `/ p6 W% S: S0 m5 A - c = getchar();5 }! G/ T! N1 ~/ n$ d
- if (c == 'y' || c == 'Y'), v8 g5 \3 t, R( R% q5 u. }
- break;
$ z) U9 \# [1 D - if (c == 'n' || c == 'N') {& x" U6 o; b6 c2 @: T$ ? u9 v) ?
- printf("\nAborted.\n");
9 w- T& M5 p4 B& P W - return 1;4 z* d' Z T; v* j4 i
- }
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- if (writeparam(mac, stbid) == 0)
6 k4 e6 r* ~8 ?/ s/ m6 E - printf("Parameters changed.\n");
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. j% w) Y4 X, j7 Q E/ _+ L- return 0;
$ P" ~; ^+ Q% y/ G - }
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