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。
* \3 v3 R1 }/ [需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
* f1 t- `$ r. [. ?: f5 t - #include <malloc.h>. H8 U) @* v( Z5 g( H
- #include <sys/types.h>' ^ F5 @! `; a- U% Z2 _ J& t" y
- #include <sys/stat.h>0 D5 h+ r6 u! T/ O( F) Q+ `
- #include <sys/ioctl.h>! o d" m& F0 P# f& {" k
- #include <stdio.h>7 T2 l1 P3 V3 G& |; W y
- #include <string.h>
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& m0 U7 T& D2 @- o9 v$ u( o- typedef struct {( H& O$ ^! h/ N; Z& @
- unsigned int e2prom_cmd_sub_addr;
3 |0 N9 k* t3 s - unsigned int sub_addr_count;
: b. } s M3 t) S. ~+ q0 I9 K ^ - unsigned char* e2prom_cmd_data;1 H# H8 Q( K1 y; q1 o, v& A+ [
- unsigned int data_count;" `9 c8 W! _; x/ U+ c) T4 t" R( |
- } e2prom_s_cmd;
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4 } D- m/ \- u8 b; l" _6 d- #define E2PROM_CMD_READ 1
' w" w6 t5 l$ U5 u5 g9 y - #define E2PROM_CMD_WRITE 2
* r* C8 H3 P( v/ S7 N - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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3 z3 `3 e( Y" U) _, E: I0 p" |* f- static int readparam(unsigned char *mac, unsigned char *stbid)0 h$ O9 P9 K7 |, V3 x o1 ^
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- int fd, ret;: a# y } @ u! n% _
- e2prom_s_cmd arg;
8 y' l' P, R" ]5 R) P0 M - unsigned char buf[0x18];
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& f( b9 e& ]; p" A4 y" e2 W& N- fd = open(E2PROM_DEVICE, O_RDWR);8 [. `* i# S' E7 y# a
- if (fd < 0) {
6 _# ^6 k" |% ` - printf("Device %s open error.\n", E2PROM_DEVICE);5 w/ v4 @- S" ~
- return -1;& w3 ]& _2 |4 }! N: J8 ~- ?) U
- }
3 {5 ~9 U0 y3 Q) s2 R" f, x- x3 O - arg.sub_addr_count = 2;! _0 p) s+ ?# y" i9 n5 |
- arg.data_count = 0x18;
0 i$ i4 u+ P0 V - arg.e2prom_cmd_sub_addr = 0x290;8 _' P; ~, N' z6 B3 K- v2 `4 u3 S
- arg.e2prom_cmd_data = buf;, l9 Z, E9 D4 `! m. ^/ d8 h9 V
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);# ]' y9 p6 @* P2 Y1 z& K
- if (ret != 0) {
, R4 b: {( P4 n - printf("Device %s read error.\n", E2PROM_DEVICE);
& p3 e" j* R X) F/ o# p - return -1;
( {- g$ ^; @, \, V+ d+ [) ~7 Q - }
$ Z* ?8 @$ X% y4 |; k7 m. B) B - memcpy(mac, buf, 6);" y3 h5 D4 c8 h
- memcpy(stbid, &buf[6], 18);
; n2 v v2 [2 _0 I! N - stbid[18] = '\0';
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3 H `& x9 L( E- X, \: b- return 0;
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- static int writeparam(unsigned char *mac, unsigned char *stbid)% ^* t3 H8 @* I" E k: @
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- int fd, ret;) I. j, j) B# E
- e2prom_s_cmd arg;
; H8 O9 @: c I! `; e - unsigned char buf[0x18];2 _) g% \% H# L/ z5 a( V
+ x" P- E( C: n1 G- memcpy(buf, mac, 6);, V* z7 T8 Z; o$ ~) _. h& b
- memcpy(&buf[6], stbid, 18);
1 ?' T7 G% q3 h0 \: J" O - fd = open(E2PROM_DEVICE, O_RDWR);
6 O0 A/ R. i5 z. m `6 @2 [ - if (fd < 0) {
3 a6 D9 s5 P# s8 _$ D - printf("Device %s open error.\n", E2PROM_DEVICE);
: k! C# m; ~2 |+ ~" f$ K W$ ] - return -1;
5 `. L6 A `3 t, J1 B9 Y9 k5 w - }
' X' D$ X, A t3 r# k - arg.sub_addr_count = 2;
" y. A& q+ e6 D# |: _" S - arg.data_count = 0x18;+ `1 c, Z' x& F) R
- arg.e2prom_cmd_sub_addr = 0x290;9 m/ E D$ W4 W
- arg.e2prom_cmd_data = buf;$ k$ z) I- p) D3 U& e
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
( f& ~' R3 s v2 I - if (ret != 0) {+ Q+ k4 g1 E( H( g
- printf("Device %s write error.\n", E2PROM_DEVICE);
# G- i/ V* ~" G5 m2 q1 B; ? - return -1;: P. _3 G( _& [+ e, p; M* O0 V
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- return 0;4 g7 p8 n5 K; L2 S+ J9 O
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- int main()
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- char c;! {2 I( ~0 W G
- int i, macs[6];
; c: j& W8 Y2 I - unsigned char mac[6];) g; U% |0 J! F5 H) m. a/ S
- unsigned char stbid[256];
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0 R3 S9 n2 D6 ], n" O Z( V- if (readparam(mac, stbid) < 0)
& E5 f& L9 s: \+ W4 |$ e( L* T - return 1;
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1 N" P8 l/ T5 a" u0 T. C- printf("Current parameters: \n"); w ? k0 X m* I
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);7 Y6 L! w5 X* l4 v; ]# N7 w
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
* G1 t4 ^# C# u9 K - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {% j0 }4 k' y; Z) f4 r" l% Y
- printf("Input MAC error\n");
9 T, Z& I2 O7 F' J4 [& l - return 1;6 u$ w& B2 r4 W* E* F1 @. X
- }; v! f2 Z5 M# N6 I. m
- for (i=0; i<6; i++)mac[i] = macs[i];
9 p: A2 D5 G1 `5 ^6 _ - printf("\nPlease input new STBID: ");
3 e$ `8 C3 l% r8 k8 i# [2 f - scanf("%s", stbid); ^$ Z- v4 n4 j# z% J- d3 U5 I
- if (strlen(stbid) != 18) {& _3 m' H2 m, R. \* j: a
- printf("Invalid stbid\n");
; z2 O# [& v1 a! K1 } - return 1;( |$ n$ u! e6 O! |
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- printf("\nNew parameters: \n");4 x- _0 E4 K$ Q7 u# T
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);. e8 u \' m, Q. L& z
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
, A- {9 o& e+ f3 s - for (;;) {" d7 z4 f7 W( B; c. n
- c = getchar();0 M& h( w. J" Y: |- P
- if (c == 'y' || c == 'Y')" O/ @6 P+ q( r, g+ l% m1 X6 t' b0 K
- break;
( e3 E/ U; s( b, @3 r/ ~4 w0 u - if (c == 'n' || c == 'N') {+ ^3 U3 G" O Q: S4 }( O1 h. l/ w
- printf("\nAborted.\n");( k8 d6 B H' s$ v8 n
- return 1;0 r9 Y( x5 N& S, y a! Q
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- if (writeparam(mac, stbid) == 0)
, I- G1 J! g4 I) q! \) Y2 J, b6 t - printf("Parameters changed.\n");
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- return 0;/ p. b0 r9 Z" v, L
- }
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