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。9 O E, ~' J( Q& H: u" w. e; r$ Z) g0 l
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>5 Y$ i7 p6 m* ~7 ]6 q. C
- #include <malloc.h>
: D2 @& M; |/ ?9 R% h5 k - #include <sys/types.h>
" o$ |/ h+ ]) X9 W# X% j7 d6 p - #include <sys/stat.h>
. i' _+ w& D+ Y- @; ~* K& A N$ \ - #include <sys/ioctl.h>
! y* k1 p! y) A) z - #include <stdio.h>
i8 z! }1 N4 N - #include <string.h> D: ?" {3 v) a; K( k, F* Z: Y
9 r8 q$ G1 Z/ n- typedef struct {- E7 A( ~$ G; p( v2 G6 k
- unsigned int e2prom_cmd_sub_addr;0 g4 |( @3 }% c. m! L" K2 r e
- unsigned int sub_addr_count;5 j' Q! G! T5 @( u/ b2 Z: b2 ] y
- unsigned char* e2prom_cmd_data;& f- J ?" D* d. w7 |. w
- unsigned int data_count;
' D, g) w7 H6 z2 S - } e2prom_s_cmd;; o6 c/ D' V g1 O
- # d' E# i% V2 L1 k
- #define E2PROM_CMD_READ 10 G: n% c" P) P4 W6 i" d
- #define E2PROM_CMD_WRITE 2
" p$ T# W( R$ k* p - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"2 {0 D: d# l; l6 m
- * }7 @& f; g3 c$ J
- static int readparam(unsigned char *mac, unsigned char *stbid)8 \1 z- z) D) _. I4 j
- {
( w, v4 u' }% R# H6 J [ - int fd, ret;6 ^) Q$ @7 y) V% q9 S% V
- e2prom_s_cmd arg;) M7 s$ h/ [% J4 c, u* p; V% P5 L
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
! Q, e! t; a8 F1 ?2 @4 O, f - if (fd < 0) {
% A/ D i- u' X - printf("Device %s open error.\n", E2PROM_DEVICE);
0 \; U3 m3 i1 p - return -1;3 t# ~, Q+ @# O$ E) s! @1 ]
- }
8 |. ~% o- C: D - arg.sub_addr_count = 2;% H% \8 H4 |$ m# [6 G4 o8 [' s
- arg.data_count = 0x18;; E$ s' h. C) \
- arg.e2prom_cmd_sub_addr = 0x290;2 r; L- M2 t* T0 }, c! ^
- arg.e2prom_cmd_data = buf;
. B7 A( L, U1 u* X6 U4 } - ret = ioctl(fd, E2PROM_CMD_READ, &arg);# c6 a& x* Z- A4 b/ U- \
- if (ret != 0) {
5 O/ T7 X/ r1 w' U' P - printf("Device %s read error.\n", E2PROM_DEVICE);, n7 f2 i( w& e& p r7 `% h. }( |
- return -1;
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- memcpy(mac, buf, 6);
2 ^7 A4 j2 ^7 F) Y - memcpy(stbid, &buf[6], 18);8 z( ?7 R; ]3 S3 h8 z: ]& Z2 q h; V
- stbid[18] = '\0';
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- return 0;
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;1 f$ I7 l# b# y- ?) [
- e2prom_s_cmd arg;
" X5 q) v. A" A2 ~ i' h - unsigned char buf[0x18];
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8 J+ F; n# p6 M& }5 n( E, p- memcpy(buf, mac, 6);
) Q* } z" V7 q* f! F - memcpy(&buf[6], stbid, 18);
/ q: E8 W* o8 J# C* A9 Q - fd = open(E2PROM_DEVICE, O_RDWR);
( ?# J! ]2 C. I: I - if (fd < 0) {8 D6 O5 c. p% q% X
- printf("Device %s open error.\n", E2PROM_DEVICE);3 R2 h b! d% C p! m
- return -1;
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- arg.sub_addr_count = 2;
# Z! N4 \# j: y e" @) [8 ?8 C" W8 i - arg.data_count = 0x18;
1 f5 f. g) x. R- { - arg.e2prom_cmd_sub_addr = 0x290;, a0 V8 B3 |/ J, [( U$ ]- e' v
- arg.e2prom_cmd_data = buf;" y" G/ K6 f$ v) d% D
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);2 W, ?) N8 |; O! w0 \0 G
- if (ret != 0) {
3 r) P# S \( Y3 ^9 O. v8 E - printf("Device %s write error.\n", E2PROM_DEVICE);( |" l4 b6 P; J! p; R
- return -1;+ k2 ~3 |& J6 U, m4 I4 q7 [
- }/ _1 P& C5 j- Y
/ P. X; n9 c/ H' r7 b& _- return 0;
1 t4 V: z$ C$ }2 p `" Y; b - }
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$ V9 Z" R( t, v$ a- int main()
, f- _; y" }" J - {
. k( Y7 a4 o" Y; @ - char c;
) [. d6 b4 ^$ s, Q. k9 t - int i, macs[6];
) I& u# [9 l: u - unsigned char mac[6];
3 M1 m5 K& J1 ~ - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0). ^2 j G$ @% K8 k
- return 1;
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0 H! v" Q7 Z# P5 f! y( a4 E- printf("Current parameters: \n");$ J1 d# K. W5 D4 q, x+ d2 x1 J, d
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);9 ]- r. F4 e7 ?/ ?: L0 j, J$ g
- printf(" STBID: %s\n", stbid);
' j2 k9 I s& j7 m -
$ d9 f7 p$ y6 ~& E5 S3 }( } - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");/ h- K7 l! b+ D' g' A% ^
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {3 X6 g# S! ^- G9 U. `
- printf("Input MAC error\n");% c _8 M' @& `/ u+ u
- return 1;
$ c3 T/ D. U2 M5 ?$ ]- ` - }
& a8 s2 U$ c- z9 e* u1 G. w3 Z2 U - for (i=0; i<6; i++)mac[i] = macs[i];
5 [' ]+ S! l: ?. ?: l8 q - printf("\nPlease input new STBID: ");# a8 O: G8 h1 b% |# ~4 G# l
- scanf("%s", stbid);
9 x0 ^) D8 m8 ` - if (strlen(stbid) != 18) {
6 k3 a6 R2 G# a* @& O' o( w( s3 A - printf("Invalid stbid\n");, }# F* f# s+ h9 ~; ?
- return 1;. _0 h* A7 P+ m# T$ j, T
- }
. V, X, x( ^# o: e. C3 e0 T - printf("\nNew parameters: \n");3 s3 O6 e% M+ {7 X; C1 \
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
& G! @9 i C! w" h' N4 m. H( R4 P - printf(" STBID: %s\n", stbid);3 r& r/ U/ j% m/ D/ Z3 C
, }1 R/ l( c( y9 g3 B/ }0 @6 u8 F- printf("\nDo you want to change paramemters? (y/N) ");+ P F9 d7 D \6 _2 C, \# Z
- for (;;) {
_2 p8 S. Z8 \ - c = getchar();
2 N ^5 X9 N3 ]. V! Z" P9 B/ } - if (c == 'y' || c == 'Y')% p+ [( p& t% j. }2 \
- break; I" r- |+ T) c! [$ _ K+ G* s
- if (c == 'n' || c == 'N') {0 a* T; S: b3 l* t+ ^
- printf("\nAborted.\n");1 A/ |3 |9 f9 q! m; ~
- return 1;0 }$ g4 U# A- T: m8 w* I
- }
. Z( f! ]7 d; Z5 c; [1 w - }
& X9 A3 h3 V1 j - if (writeparam(mac, stbid) == 0) ( d6 ]$ S5 R+ }
- printf("Parameters changed.\n");
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% D, G( W& ]' W+ ~, |- return 0;3 r( u. j- O |4 ~, ~# X' U
- }
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