本帖最后由 0522 于 2012-3-21 23:04 编辑
/ }% ?% ~6 ?! i8 V' u6 z
" o$ W3 N, z7 u& t修改的代码早有了。到今天不会编译。5 Y4 a7 T. A) i( w
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
0 l5 g/ H$ S) H1 Q& k% o+ P, v) } - #include <malloc.h>: N+ t: p+ [) t3 `8 L+ O
- #include <sys/types.h>' L5 R1 s# p' H. A
- #include <sys/stat.h># G5 I% G1 E0 {1 B' {" d
- #include <sys/ioctl.h>
; x9 ]6 R8 g: R% B, @( E - #include <stdio.h>$ d- ?( \/ t* C- o3 D& e
- #include <string.h>+ J0 N( k) _% E
- & C; C$ O ^" Q, w$ F0 Y5 R" R
- typedef struct {6 T7 L; `; a/ Q/ q
- unsigned int e2prom_cmd_sub_addr;
: l1 W, w) D L3 _9 U8 q" I& C- m1 M - unsigned int sub_addr_count;
) l" c9 ~1 w0 @% e - unsigned char* e2prom_cmd_data;) t9 |2 `4 I9 {
- unsigned int data_count;
: u3 t7 H2 M' q' ~ - } e2prom_s_cmd;+ s1 C: ~# k/ O% \
# _' D6 g: C L$ S9 c- #define E2PROM_CMD_READ 16 Q8 E% l5 z# S! `3 H; M3 v6 V
- #define E2PROM_CMD_WRITE 2
$ J4 p# ^0 H6 ~: K7 D% ^ - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
! K7 K2 t5 G; k$ i4 Y, F) a, g( u
$ q q& u* A! l, \) l, [, @- static int readparam(unsigned char *mac, unsigned char *stbid)! k3 n8 u, B" S/ n+ h
- {
3 B2 j$ g/ r6 \. | - int fd, ret;
) n) ]6 I: h0 {7 O v. \ - e2prom_s_cmd arg;( M' ~+ c% e" M% @0 J
- unsigned char buf[0x18];6 F% q! M2 @- g. n' i' W
- K: H+ L- C$ k2 }1 O& x2 _- fd = open(E2PROM_DEVICE, O_RDWR);
- ]0 B O0 C, L. J0 g/ g. { - if (fd < 0) {" u) G6 k. h2 \1 K
- printf("Device %s open error.\n", E2PROM_DEVICE);
3 D# y, ^1 c2 U4 k( G d - return -1;
+ t$ g! n7 F! a# ^+ d. \ - }
0 P( T+ z& R: Y. r - arg.sub_addr_count = 2;
8 e% Q% C. L! H% C: r* R; v - arg.data_count = 0x18;
3 V! T, j8 \9 }; d; ` - arg.e2prom_cmd_sub_addr = 0x290;- _4 \& B6 r" ^. g& ]! B4 Y
- arg.e2prom_cmd_data = buf;5 h j0 k) l/ F/ g
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);* D& b$ i0 x1 V% S2 f0 V
- if (ret != 0) {; _: K1 T7 D8 n5 D( M
- printf("Device %s read error.\n", E2PROM_DEVICE);8 P2 \' D* e$ ]3 \0 d' z" s
- return -1;
9 u7 {: g' e" T0 Z) h( p - }$ X/ R) {1 p$ m" q
- memcpy(mac, buf, 6);
, I7 V0 ~! ]. W+ r. Z. G: \. s - memcpy(stbid, &buf[6], 18);
5 K9 o- ]& H0 ^6 v3 M - stbid[18] = '\0';
# D5 g2 \- A1 @- ^
0 b! N" M3 G; C* h5 B4 B( f- return 0;
/ c. L+ s! g( U( t - }1 A0 p% i7 ?0 f' @
- / f& c; V$ v% N' p
- static int writeparam(unsigned char *mac, unsigned char *stbid)
( ~7 K# |8 f$ _2 i8 G/ \! m+ L - {
* d4 I. q, w# ?2 T' [ - int fd, ret;6 s' s; G, L" e# n0 ^! N' c7 Q6 l
- e2prom_s_cmd arg;0 Y/ o% Z3 q- @% N( V8 Y
- unsigned char buf[0x18];" P) S2 B! k" P+ g, e. ?3 p3 ?: f
' v+ _& ]+ o' O! M3 P: g- memcpy(buf, mac, 6);2 s# e2 B& D9 u9 O
- memcpy(&buf[6], stbid, 18); }1 Q# u3 K9 ^6 Z: @
- fd = open(E2PROM_DEVICE, O_RDWR);, n$ @& G/ o" p7 B
- if (fd < 0) {7 C7 M: w1 D6 m+ C$ ~- j- H! D
- printf("Device %s open error.\n", E2PROM_DEVICE);! D9 o ]8 @! ~
- return -1;
7 g) M0 z- q- s6 x( i5 n - }
v- Y5 V& O- V0 R! d2 j4 O - arg.sub_addr_count = 2;
8 _' Z' c! @: m: n( e3 l" ` - arg.data_count = 0x18;3 i6 f/ c( o3 W% l0 C8 j
- arg.e2prom_cmd_sub_addr = 0x290;
7 n7 c! T% @/ O+ L' Y - arg.e2prom_cmd_data = buf;5 R# l0 V2 o) o! r2 K1 o, x
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
. W0 h- s; o. g8 S1 A; R - if (ret != 0) {4 T: e+ w- `4 g: C# p. C- G1 M
- printf("Device %s write error.\n", E2PROM_DEVICE);, T1 J$ R# {& {# ^ g% L$ y5 g! Y
- return -1;
5 [: \% u2 w7 H" Z - }
: Y5 l* H0 S" N* B
+ b* W5 e& u9 b4 n' N+ J- return 0;/ D6 P9 P* R. F+ L
- }
1 S( p }" q$ k" I - 4 m" W' ~4 |0 c8 b
- int main()- H9 X6 A/ p5 J& P3 r
- {
; m$ o0 r! }9 h; p3 i - char c;
% a- ~" x1 n4 I5 l' Q/ m9 z" W* l - int i, macs[6];
" I5 y# i, y, p8 w - unsigned char mac[6];
1 t, y1 U) I; ]1 A - unsigned char stbid[256];5 u+ }4 l8 I, y0 h( T6 Z( F q
- 1 `/ x6 m2 I4 U
- if (readparam(mac, stbid) < 0)
1 P) W7 l$ _! b0 h$ [, O! C/ u - return 1;
: n' w/ w @: _8 j' S& F
1 F2 }& a/ B# m: ~- printf("Current parameters: \n");, B3 l4 U+ {3 n7 Q8 @1 ?1 Z3 |
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
, f. J6 _: J, |' G! f9 o: y7 g& K - printf(" STBID: %s\n", stbid);
1 d* S. l, ^3 j2 I( [/ ~7 x3 M - % ?0 c, X9 A, `5 g, O: u5 i R
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
. ~. J5 J% q }: P - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {1 y/ x! M3 i; h2 B/ c& L
- printf("Input MAC error\n");2 {+ r" k& I* H7 a+ A, }
- return 1;/ P' S; n. f/ A7 {6 C7 X
- }
4 V, o7 L) \5 ~1 o( ^; F& M7 l1 D7 ~6 o2 B - for (i=0; i<6; i++)mac[i] = macs[i];
1 ~+ p5 m% B% N/ _6 P% h8 a - printf("\nPlease input new STBID: ");
0 |- [! y4 {7 K6 k( Z* S! z - scanf("%s", stbid);
, I' C. I: u, m/ q - if (strlen(stbid) != 18) {
/ Z# P& H$ E. r' h# ]; M - printf("Invalid stbid\n");3 w* e1 }1 ?7 z: E. [- v7 b$ @
- return 1;* j. X3 j. w( V' i4 \
- }
6 O8 A* G7 {3 v; P- F a - printf("\nNew parameters: \n");8 ]- F2 V/ @- d8 v
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
$ \% X* ]; d1 }* C/ B: w K - printf(" STBID: %s\n", stbid);* H, a- `( V$ s5 o* D
- 6 X! Z$ \+ R0 o. ~" y" e7 {. ~# L
- printf("\nDo you want to change paramemters? (y/N) ");
2 l5 D; v7 ]; P9 V+ p9 h, A - for (;;) {5 S% }7 D$ M& Q Q4 F! b
- c = getchar();
+ K i( Z5 U2 H3 S3 P, W4 q' Z: ?( | - if (c == 'y' || c == 'Y')
5 I: v* J m6 ?' Z7 J9 G - break;
; _+ K# z3 c. k8 e$ P l - if (c == 'n' || c == 'N') {
, ?9 C) ?, c; R! F- U& d - printf("\nAborted.\n");
/ s0 F) |$ t. c- a - return 1;
% H6 g L4 [% N/ R - }
+ T( k2 \6 Z* P# S - }
( p7 I6 p4 g- h" J# {& R5 F2 ? - if (writeparam(mac, stbid) == 0) , k- E7 h9 z% d
- printf("Parameters changed.\n");5 d4 H8 S5 \8 q3 K+ \
- Q: s9 _. y* J' \* k5 u' \- return 0;
+ n: C1 r5 I* F+ Z( e. H2 d* \ - }
复制代码 |