本帖最后由 0522 于 2012-3-21 23:04 编辑 7 }; i: _8 P' i7 R Z& ]$ [; [; i
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修改的代码早有了。到今天不会编译。0 }! C7 X6 p. r' n
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>/ ?8 k" U) E/ V8 N! o2 V
- #include <malloc.h>
" z7 A9 {; l1 T - #include <sys/types.h>
5 K0 k$ J# R7 d; y - #include <sys/stat.h>! n' f: k3 ~3 b8 u7 t4 `$ M
- #include <sys/ioctl.h>
3 a6 Y, }+ w$ ], _3 S; n" u; N - #include <stdio.h>
& D/ d" l4 C. Y# g6 C, Z- Q - #include <string.h>' o+ L$ x0 x( d' M5 c
- 9 y" i+ w4 }3 @3 O& s6 e5 I, r
- typedef struct {8 `0 T$ t6 }9 W9 p4 E. \8 A
- unsigned int e2prom_cmd_sub_addr;+ R8 t* S2 u' e) S0 C
- unsigned int sub_addr_count;
9 Q' C; H) o/ x% h- i- y* W, K - unsigned char* e2prom_cmd_data;- U8 S( p9 ^) v* i% z+ i5 d
- unsigned int data_count;) \! j# l& l* \- A( }/ C
- } e2prom_s_cmd;% S$ y. s# z+ I `+ ]2 L
- ! \- |' v7 X9 |. u& m4 X( E7 y% c& {
- #define E2PROM_CMD_READ 1
7 Y' u! B* J" u+ C/ ~7 c1 | - #define E2PROM_CMD_WRITE 2: ^7 o. U7 v* v3 ^1 w6 Z
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"9 H9 c. M* {5 J+ d5 y q) ?: y% [
- / F5 o1 Q0 _0 V4 i# x. h4 {9 _
- static int readparam(unsigned char *mac, unsigned char *stbid)
6 b" Q4 t, U4 ~ - {
* C' t' f: ~ F - int fd, ret;
5 k- s+ A& Y/ F9 L* F8 c) Q8 n - e2prom_s_cmd arg;
2 R8 n, Y- T% Q% j8 j) ~ f, B Y, p - unsigned char buf[0x18];2 E" J2 `- l3 V! c7 s- }% w
2 |1 i0 h8 H, q' U3 k% i- fd = open(E2PROM_DEVICE, O_RDWR);
8 d/ K. \4 i, a; w - if (fd < 0) {
5 V K; q m' ]0 [4 q3 Z - printf("Device %s open error.\n", E2PROM_DEVICE);
5 P# t. w: k! }* R" A - return -1;8 J0 i5 z$ C0 U+ ]9 R2 V
- }8 u4 ?6 i N# D; s- S3 Z: R2 `' }
- arg.sub_addr_count = 2;* d! U) q& O6 M2 y. h
- arg.data_count = 0x18;
% `) d+ z$ j2 l* |& `/ A& R - arg.e2prom_cmd_sub_addr = 0x290;' i, v- b1 J9 `' M# d
- arg.e2prom_cmd_data = buf;
1 y, {% a% d8 x- P+ ^( S - ret = ioctl(fd, E2PROM_CMD_READ, &arg);4 Y5 j, M+ ]2 p4 |/ O
- if (ret != 0) {6 O1 t! e* O% x; D
- printf("Device %s read error.\n", E2PROM_DEVICE);8 i0 y/ r C, y* o0 l" e% @
- return -1;+ ^' R+ f7 f, E# ?8 {
- }
: Y8 w' j# A9 I. S/ | - memcpy(mac, buf, 6);
# f5 C$ ?! I0 r1 M) } - memcpy(stbid, &buf[6], 18);
# Q/ S" ]3 f; G" R: u) z - stbid[18] = '\0';8 R7 ^ ]- v( I1 f
4 K, E! }# }2 l" Q- K$ Z4 Q- return 0;9 F! O U( C5 R2 I* {, v
- }6 ~" s \1 A( V1 m5 H5 \
- - e% c0 }0 Y# J5 F: i. ~/ ~- ]
- static int writeparam(unsigned char *mac, unsigned char *stbid)( }! Q. p; G0 k
- { h0 E1 t9 y5 P
- int fd, ret;
) P. }3 I% D0 {3 u! n9 z P - e2prom_s_cmd arg;$ H1 D6 B6 D% l; p0 p
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
6 I% n' I6 U. t# S6 S3 @0 q - memcpy(&buf[6], stbid, 18);
0 E8 O. {# {. H, m! C! V! p2 e( ` - fd = open(E2PROM_DEVICE, O_RDWR);: n: @: b/ h) R
- if (fd < 0) {
7 @6 Y& q5 o/ A9 Y% I - printf("Device %s open error.\n", E2PROM_DEVICE);
+ a' ^1 G" }1 s. ?8 K; f - return -1;
1 B9 q- Z/ g( \) s- ~0 v - }
/ E$ X3 ?. }4 S9 _ - arg.sub_addr_count = 2;/ T% d p$ Z' B$ w3 Z
- arg.data_count = 0x18;( a u0 ^8 X& O( A$ [
- arg.e2prom_cmd_sub_addr = 0x290;
6 \! h" t! q* f' M: ?2 ]9 R - arg.e2prom_cmd_data = buf;
1 Y% |8 n9 C0 n& V+ [4 T - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);# ^# S/ b; U# k& K
- if (ret != 0) {7 j7 |; S" Y7 }9 g
- printf("Device %s write error.\n", E2PROM_DEVICE);
; R3 F, h. O* C; H+ ~; g - return -1;
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$ G4 c' J9 e2 d9 A- return 0; k- K( z8 P& Z
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- 9 N- \6 [! [7 m7 o9 Z$ P
- int main()& h. Z6 f" R6 m3 d C: f
- {
$ n- t( q1 U' q9 J% t0 ]( @6 _3 _' ` - char c;
# R! T8 A6 e4 u/ Y; d1 M( w" }1 n/ a( w - int i, macs[6];- `* R( N7 U- P* W# {
- unsigned char mac[6];
/ l' o' {9 I$ q. e0 m7 F - unsigned char stbid[256];
# C% w* T* ^1 y6 h7 W - 9 A/ Y3 z1 K: ]. `
- if (readparam(mac, stbid) < 0)
" X: [2 i2 K+ s8 K$ O& H - return 1;
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- printf("Current parameters: \n");' v2 w8 ^4 N. O
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);7 ?4 P4 A) C6 o' O) y$ k0 x
- printf(" STBID: %s\n", stbid);' i+ b8 ]' P4 c. u+ y
- ! m. q/ W0 H$ L) c
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
7 U$ _' S1 G1 e" f! F7 ]+ z( o - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
; G& n/ l8 }- r' y# f - printf("Input MAC error\n");
4 Y; f; P0 @% h, G2 q c - return 1;
$ r3 E9 t5 L; }+ D: I - }
( I5 [7 t& A+ |9 G9 m$ U4 s5 I - for (i=0; i<6; i++)mac[i] = macs[i];
6 t( Y! n; r7 _. `7 T! K - printf("\nPlease input new STBID: ");
$ \7 B& n6 R& S6 u3 o - scanf("%s", stbid);; u# a9 v S5 ]5 u3 {
- if (strlen(stbid) != 18) {! Z. a3 T. `! i% E) M
- printf("Invalid stbid\n");
4 \# K+ ~6 I: C# a2 } - return 1;" I5 _/ p1 P. l4 Z& ^* c
- }( X5 D. J% j- d% x$ y/ `
- printf("\nNew parameters: \n");
% F& S9 q8 z; t2 s3 h$ P! Q - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
: z2 y4 u. g2 j9 q' c% c+ g" T - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
; D# M' j( w3 S1 X" c4 s1 e - for (;;) {
$ ?. m+ O8 H3 h; T3 E, J( I - c = getchar();; ^: ?, d$ b& V
- if (c == 'y' || c == 'Y')1 Y" L$ J! V# k! l9 Y3 j& k
- break;7 {4 ~+ ? j# A* X8 i4 o
- if (c == 'n' || c == 'N') {! J1 T, i! r' k( B& G
- printf("\nAborted.\n");
0 ]. f2 a1 m, d* p - return 1;
( x4 s' l' u6 S V/ ` - }
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- if (writeparam(mac, stbid) == 0) ; q5 F2 z J/ g& I( ]
- printf("Parameters changed.\n");" x b: t7 G+ ~3 j1 j
- * r0 N: u0 l# D# K0 i/ k
- return 0;
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