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。
' f" U; E x: ?6 Z, P$ i& m* T! N# D需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>. J1 F* a' W+ `. p, ]4 \- Q+ ?
- #include <malloc.h>/ e- i" a: v6 f
- #include <sys/types.h>
5 s0 I, ^2 M; s! K - #include <sys/stat.h>) }# O9 n" W! b' w/ E& U
- #include <sys/ioctl.h>
9 M, {7 p E) k7 U( l0 n# u - #include <stdio.h>) ~! r6 \7 D2 U, ^* s# N8 I# r. ^
- #include <string.h>
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- U. \+ \- @9 K# Q0 R9 |# u- typedef struct {
' Q4 p# b* X) k( M0 ^1 D - unsigned int e2prom_cmd_sub_addr;
9 `0 S. ?+ V! h - unsigned int sub_addr_count;
) d! {$ u$ `( x7 Q - unsigned char* e2prom_cmd_data;
, I: j* D/ K2 I- F, g - unsigned int data_count;! \0 o8 h) j: G z
- } e2prom_s_cmd;+ R4 `" u' U. C# d' k
& D. V8 y5 |" @- #define E2PROM_CMD_READ 1" p4 q' ?) s* E/ ` C
- #define E2PROM_CMD_WRITE 24 h% w" K# N* P* B' ]5 W6 I# g
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"9 F O# j7 x+ N0 Q2 i, |
5 d% J& N" s7 S/ {& Q7 j$ e6 H- static int readparam(unsigned char *mac, unsigned char *stbid)
$ b) g6 F" D5 A' P - {: g( P1 d$ U" L
- int fd, ret;
* y/ r( k) G9 Z1 P) p - e2prom_s_cmd arg;
" N. ?) Q3 r+ _ - unsigned char buf[0x18];8 r3 \* N* `+ d4 X. s& R5 u
" U$ S/ G+ V; D/ y" ]- fd = open(E2PROM_DEVICE, O_RDWR);
) I. d# }8 H4 K6 K/ ]+ Y3 _ - if (fd < 0) {
0 O' Y( M5 G' K - printf("Device %s open error.\n", E2PROM_DEVICE);$ A( P! v2 x' w3 d' r
- return -1;
9 Y8 ]; k2 L8 F* ], f0 B% N9 A - }# u$ L9 X) g& [7 R9 y. }( `
- arg.sub_addr_count = 2;
2 W4 \4 H, u" B0 s9 X5 _/ `0 ~ - arg.data_count = 0x18;
) T& E7 S8 E. b1 {& g+ B+ L! Z - arg.e2prom_cmd_sub_addr = 0x290;! r% D0 w) ?5 d" c4 z
- arg.e2prom_cmd_data = buf;9 @/ Y M0 n7 l8 s
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
, }1 J( B! x ]4 A8 a# M - if (ret != 0) {) Z- ?$ W; e: F( L2 T
- printf("Device %s read error.\n", E2PROM_DEVICE);
3 ]! I' {8 b" |1 |3 T# J3 s - return -1;# M4 R% [9 U- n% O# e
- }
' x: O. H- [, l0 v# q/ z0 j0 i - memcpy(mac, buf, 6);
8 Q- F4 n- e O9 u, z& [( A3 q - memcpy(stbid, &buf[6], 18);$ P$ k" H* Y& \* I4 f4 a$ a9 C# n
- stbid[18] = '\0';. Z* ]; `) \( N4 W, P% A$ |
' _) o$ J6 }+ s- return 0;
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+ H [7 k( B. J% T/ Z7 w% u( m5 g; T- static int writeparam(unsigned char *mac, unsigned char *stbid)! X. P7 b) t' O
- {
6 I! T: z* \% ]. u3 } - int fd, ret;
9 h# |* P/ D: D @0 S! r! ] - e2prom_s_cmd arg;
5 ]! o8 Q3 D2 q3 r( E X5 o* P - unsigned char buf[0x18];
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" \5 V9 ]7 Y. K# J- memcpy(buf, mac, 6);
* y8 ~9 v* t1 t% X. a- ^( f2 |3 |9 L - memcpy(&buf[6], stbid, 18);
, @' @6 O: n. a5 U7 Q) I/ y - fd = open(E2PROM_DEVICE, O_RDWR);
. E, q4 X( S" n; z; G. m. k! E7 x4 E - if (fd < 0) {) E2 A, R; K) `" b; ~9 }
- printf("Device %s open error.\n", E2PROM_DEVICE);; j& ]1 x @% \
- return -1; _2 T# i0 n7 i! z
- }4 s3 g' H# I. H" z2 @) d- [) u
- arg.sub_addr_count = 2;
, e" G4 x. Q, ^1 j) d& [ - arg.data_count = 0x18; ?# b, c# j$ T; X5 k, J' Q, d, K! O
- arg.e2prom_cmd_sub_addr = 0x290;
' N: A* N4 n C. j2 V2 D. T) o2 T - arg.e2prom_cmd_data = buf;5 M/ O+ M, g. v' v
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
" h9 M1 [! D: \* C) e - if (ret != 0) {
+ k2 {6 e" r1 p - printf("Device %s write error.\n", E2PROM_DEVICE);- ~: b: x/ I* h. f% x3 g6 ~
- return -1;1 d1 k+ t9 x6 B8 ~
- }- `, l0 c {- D0 D
: `' h2 G" s% N) _2 ?/ l- return 0;
9 W5 @- o" }+ Q6 } - }
+ Z; h" ?) s/ c; v7 `9 K
/ v' \- l4 z* R% q! [, j% `: ], r- int main()' x: V7 Y) b9 U8 }
- { n/ H/ X5 w' E
- char c;& \5 G6 h2 H# s" L- |7 g; q
- int i, macs[6];
1 P, w& ~. J* R* e - unsigned char mac[6];
2 d5 {* T+ t# F+ c; u1 L5 L - unsigned char stbid[256];
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8 ^. I$ U3 w" l- if (readparam(mac, stbid) < 0). _+ \7 \+ _3 c9 M. _
- return 1;$ g4 Y* F: B: h0 C: Y& L! C- v
- + v- l8 F5 x. C& f7 H2 T
- printf("Current parameters: \n");8 k8 c6 C; F: K z
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);/ J5 t' n0 h1 Q( N
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");0 F; Z, B' C* j4 o, A
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
- d' h% _% T) E9 V1 J - printf("Input MAC error\n");8 v" f% B2 @+ R" t- t! X
- return 1;' c! h2 Q- ^+ R6 [
- } z" a) E. I8 S- c, s" e9 T
- for (i=0; i<6; i++)mac[i] = macs[i];, h3 o+ v( X% Y; s# A
- printf("\nPlease input new STBID: ");
. A% |% A; L# {( ] - scanf("%s", stbid);
0 s0 p% u3 o' C7 Z - if (strlen(stbid) != 18) {3 f$ L; p) h+ m: Z
- printf("Invalid stbid\n");0 J+ X* j ]6 o
- return 1;" A) C2 g* L0 N& z }% P3 O/ `
- }
; j/ v9 A! l/ C4 D+ `" k - printf("\nNew parameters: \n");# F. i, R+ K g- o8 `
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
9 x$ _' v9 u& _& k7 h6 `, M - printf(" STBID: %s\n", stbid);9 t+ f' L4 u S* _
- : T0 W" k# R) L4 O* r& Z/ p# `
- printf("\nDo you want to change paramemters? (y/N) ");# e4 z5 b' y. c$ F" O1 t
- for (;;) {
3 X1 P3 [" F7 _$ R, l2 ]) ~; V - c = getchar();
3 M7 j/ Y7 ]9 F$ G# o1 D. a, h" o* W; I - if (c == 'y' || c == 'Y')
2 O& x% j/ @5 V - break;
; Y0 C) e0 Q! ^ ~' U" V) I) Q - if (c == 'n' || c == 'N') {
2 N4 S H! x8 ?$ D' p) i: l - printf("\nAborted.\n");
' }) g( j9 T' r* h8 u" Q2 f1 W - return 1;
# k& c2 m0 ]+ u9 C) U( _* D - }1 f4 }4 N {/ S, \
- }
. V" m9 Q' P9 m6 Q4 x% O( D' R - if (writeparam(mac, stbid) == 0)
8 Z% }) a1 Y/ S - printf("Parameters changed.\n");) Y# |/ h* V4 W: _, @: t' s6 j$ n
2 o2 j c! ?3 d% \- return 0;# `4 r2 f3 H. |
- }
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