本帖最后由 0522 于 2012-3-21 23:04 编辑 # P! J4 u! M$ e0 v, P3 c2 x; r: E h
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修改的代码早有了。到今天不会编译。
% v, v+ a5 O5 o, ]需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>6 [0 D9 f9 ^9 b, k2 _1 q
- #include <malloc.h>8 u( f6 w. N0 A$ h) H% G
- #include <sys/types.h>5 @" D% Q* |# g2 u
- #include <sys/stat.h>
! K# }$ V# w2 O! o5 I9 M; k1 z - #include <sys/ioctl.h>: s; P2 {9 n; T9 C
- #include <stdio.h>
8 i( C4 U. }- G4 W( U E# \$ q- S - #include <string.h>
) I, n4 L; ^7 \$ H+ Q) {
: Q0 C% G7 \5 R7 w- typedef struct {4 j( r3 Y. n' c2 p$ |* n
- unsigned int e2prom_cmd_sub_addr;
) P6 u# ~& @/ _: L3 e2 y2 M - unsigned int sub_addr_count;
) j0 L( Q: p3 I% ` - unsigned char* e2prom_cmd_data;4 @) H8 d! c* g7 T3 k
- unsigned int data_count;, ]& p6 K T0 O
- } e2prom_s_cmd;
5 I* X) ^- U4 H/ T- G - , |3 \ u% Q, G. F) f9 z% H
- #define E2PROM_CMD_READ 19 E* ~- N. ]0 o1 F; b9 N
- #define E2PROM_CMD_WRITE 2
5 Q n5 g' a7 o - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"- c) d' n; F$ Q! b ^
% U8 v# ~( l, t' K5 M/ J& U- static int readparam(unsigned char *mac, unsigned char *stbid)' c9 k+ E" U& ^3 o, a( s; q. A
- {
' c$ @# x% }! Y+ { - int fd, ret;& x* L; O8 z, S; _0 Q
- e2prom_s_cmd arg;
, m/ K+ h7 W. J1 x0 s - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);7 j9 B2 S# u2 K+ ]1 ?8 a2 O( e
- if (fd < 0) {! p" S" q) B* T c4 |
- printf("Device %s open error.\n", E2PROM_DEVICE);9 X9 J! Y( u# E; G
- return -1;
% ^9 {5 M, v$ M. B& r - }9 A" X( e+ u' f
- arg.sub_addr_count = 2;
1 T+ W3 n# O' U: ^/ c! R; C - arg.data_count = 0x18;
7 `* h3 O( Q6 e. K$ [ - arg.e2prom_cmd_sub_addr = 0x290; C4 e- K& k' Z! ^( ]9 J
- arg.e2prom_cmd_data = buf;9 `! m2 C: |7 b$ j( B1 l
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);% ?1 O& A: w' }) {" i
- if (ret != 0) {
1 R3 g' M8 I( H+ v+ G - printf("Device %s read error.\n", E2PROM_DEVICE);
. k( f' H8 ^) C, d - return -1;! O8 {- n& z" n
- }
4 o) c5 A* z1 v - memcpy(mac, buf, 6);$ X: m! |6 b5 g4 Z/ b1 c Z7 h/ w
- memcpy(stbid, &buf[6], 18);
: O) ?; R- b3 h& j! j% ?4 m - stbid[18] = '\0';, \/ v+ |2 ^& T% f$ q1 H) e
G) g8 x3 T ] l. M; Z- return 0;
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: w" ]1 V. h9 G! ?6 ~- static int writeparam(unsigned char *mac, unsigned char *stbid)1 k$ z ` _/ k0 ^/ }# [
- {; I( t8 {- K; E% f' v
- int fd, ret;* w0 n: w! T ]5 o. f, U! y
- e2prom_s_cmd arg;' ^% ~8 z+ a! T+ |
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
8 @9 K, N2 J" u$ f - memcpy(&buf[6], stbid, 18);0 y, ?' T4 H3 f. I
- fd = open(E2PROM_DEVICE, O_RDWR);1 @( X: O1 `- z: v/ h7 F; A
- if (fd < 0) {6 m2 t8 m. D7 m- C1 I# _$ _* v" P
- printf("Device %s open error.\n", E2PROM_DEVICE);
- R, x! R8 [7 w" F- w8 n( @0 @ - return -1;
+ L- _1 |9 \/ y$ r' l - }" S# p3 H7 k0 j" W, U; B
- arg.sub_addr_count = 2;
2 `) K! Y O+ B3 R - arg.data_count = 0x18;
% W" x& ]- E4 a2 j7 _ - arg.e2prom_cmd_sub_addr = 0x290;
: n& g! f5 J) ?8 M( N - arg.e2prom_cmd_data = buf;
6 E a; h% |( h" m - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
}* t# L2 [( V0 [9 k/ p - if (ret != 0) {
1 i7 U1 ?3 K8 i: V - printf("Device %s write error.\n", E2PROM_DEVICE);
# a, u5 y b2 }+ P# g - return -1;' B( ~. J/ K7 e5 r8 z
- }, [" Y; y* `8 M7 Q) n
- - s/ N1 `7 G& k/ L4 b3 z l7 H" T# N
- return 0;
! U% f$ j/ Q( I - }
+ M# H e% s- z6 |) A+ @3 D6 z - 1 j$ n( m- n0 q% P0 v
- int main()1 D9 |. d1 X2 Z7 y1 _8 N4 r/ t
- { L1 ` K, z+ [7 I! ]
- char c;( j4 ]* e- b* f3 a' n! Y
- int i, macs[6];
( q! J: |4 O' W. C7 w2 f# ?2 N7 S - unsigned char mac[6];
3 } w# a- b& d' S - unsigned char stbid[256];
# V' o) t0 z4 S2 L, t
4 e5 g% \3 R! |$ d0 D6 e9 S4 O- e1 k6 c- if (readparam(mac, stbid) < 0)) A& |) Q1 r: X8 I) s( X2 q" I
- return 1;
5 F2 n r% _& ^( t- j - 6 G/ @4 o( M$ F# b R
- printf("Current parameters: \n");
- j" C. R4 ^+ R. g/ X - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);; T4 z+ e# M/ d; ?, u
- printf(" STBID: %s\n", stbid);4 D. R" K3 C% ?
- 5 Q3 j. X' A7 |# @5 \( ^' s
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");! M) a. N' Z0 k
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {3 k3 s2 K: s0 k$ H$ a% R
- printf("Input MAC error\n");
: E& L# [- h. q( s& ?; l - return 1;0 s6 w) ~" o1 A1 X* _5 G
- }
1 i2 R( ^& N% B' h2 x - for (i=0; i<6; i++)mac[i] = macs[i];/ h' F# D1 Z: v) v& z( Y+ G* L
- printf("\nPlease input new STBID: ");) U0 |5 ~4 R% J3 x, d
- scanf("%s", stbid);
8 f: D! ^5 l+ D2 z - if (strlen(stbid) != 18) {0 `6 T4 I6 s8 M
- printf("Invalid stbid\n");
5 E4 ^; P: ]6 d; y# p4 r& o4 k. J4 f - return 1;
) H0 U0 x* T g- v/ v6 \ - }
- w; \6 ]. m3 i/ S - printf("\nNew parameters: \n");
+ _: o7 N/ b' X( e8 e - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
3 }% L9 e2 d; n - printf(" STBID: %s\n", stbid);& ]. p) R" T( v7 f7 k: E
- ; n, _' {( ?: F1 z9 s; Z7 y+ d1 I
- printf("\nDo you want to change paramemters? (y/N) ");
. V+ Y& i6 B! ?- b& M8 v - for (;;) {
# P% m! ~+ G y5 [$ |6 M; n5 F - c = getchar();* Y* l9 T9 w& Y! k' K
- if (c == 'y' || c == 'Y')
3 Q, T$ k, d5 ^- h) F! I4 v1 q - break;
$ E$ R: u; H2 @: {1 F- @ - if (c == 'n' || c == 'N') {/ m1 B/ Z/ |% ?5 g+ j' C {6 L* L
- printf("\nAborted.\n");
7 Y( z y; l9 L' u - return 1;
, R l1 W" K8 p) F+ D9 w% P - }
- L3 w' ~4 Z6 g n! o5 [) H - }5 o. k% n5 t$ w/ M
- if (writeparam(mac, stbid) == 0)
4 t; F! V, |' c5 V - printf("Parameters changed.\n");8 e Q0 ?) K. [6 G: ]
4 X: V, P* t$ _6 |0 G- C- return 0;
3 O+ j; ] J: Q) p& C: e4 Y$ h1 O, V - }
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