本帖最后由 0522 于 2012-3-21 23:04 编辑 9 Y! j% S. ?! U( Q
3 V9 B' f/ R& X' H" p6 T修改的代码早有了。到今天不会编译。
$ p8 f! z% Y( l" f7 [4 M" F# z需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
+ }3 X) m' M; X2 j" T7 X9 M8 ` - #include <malloc.h>& q$ J+ |2 d, [
- #include <sys/types.h>
, t- \4 m y8 @- a5 s S, T. C, p - #include <sys/stat.h>
8 s* F9 ]5 P8 P! J8 E2 U( c6 ` - #include <sys/ioctl.h>
( f7 b& u( Q; u" J1 Z - #include <stdio.h>
6 G+ i4 r3 n; H/ y" V6 A5 f - #include <string.h>, N6 l) U; X- u" Y' f! R: u
: D1 \0 s3 V: u+ s( V- typedef struct {9 ^ A$ v% A- m
- unsigned int e2prom_cmd_sub_addr;3 j) J1 X6 u) _6 ^2 j
- unsigned int sub_addr_count;- K! Y7 H: {3 ~% p
- unsigned char* e2prom_cmd_data;/ F x, Q/ H7 r6 B' r
- unsigned int data_count;, A/ Z3 q4 ]6 f5 J, o
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 19 _; q* n+ e7 e0 F) A: x
- #define E2PROM_CMD_WRITE 2
+ v9 E4 i* Y2 ^7 e5 n - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"& c4 I: k8 q0 H* k6 b ~8 c
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- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
( l0 v4 N0 I; T5 V- \1 E: `) H - e2prom_s_cmd arg;" O& n8 {- P) o3 i/ C% A f
- unsigned char buf[0x18];4 O- b# V: }9 C+ R9 r" T; k
9 w# p0 D0 d' F- [- fd = open(E2PROM_DEVICE, O_RDWR);
8 `4 a3 p: `( G) e: @ - if (fd < 0) {
B, _5 V4 F! v( b* ~* J5 r - printf("Device %s open error.\n", E2PROM_DEVICE);
: F! z4 Z @/ }1 D; e - return -1;- o9 a4 P' D& ]4 ~/ f+ g5 _7 I7 ~
- }
* j5 k7 j; V# L4 i N' K - arg.sub_addr_count = 2;
4 x. G. [0 A) [- ^8 ? - arg.data_count = 0x18;
4 a4 l$ d& L, @3 r - arg.e2prom_cmd_sub_addr = 0x290;' i+ x2 f$ \ D
- arg.e2prom_cmd_data = buf;
8 z/ Q7 y( P8 |5 d& ^7 s - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
1 o+ q( P5 V7 p% G+ C - if (ret != 0) {: m' A6 r3 Q; f. B. M; A
- printf("Device %s read error.\n", E2PROM_DEVICE);
. s" ~6 H: r, N$ W - return -1;
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- memcpy(mac, buf, 6);7 v$ @% p9 w/ S$ s7 }
- memcpy(stbid, &buf[6], 18);
9 o# V2 I6 r+ `) Q8 k+ S - stbid[18] = '\0';
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- return 0;% X" h9 N( U+ m
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- static int writeparam(unsigned char *mac, unsigned char *stbid)" b; s8 t9 G% A, {
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- int fd, ret;
i# W4 w2 [6 c B; B: G - e2prom_s_cmd arg;! w3 L4 p% [' B4 b2 F
- unsigned char buf[0x18];) H7 @6 W, b9 f3 w
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- memcpy(buf, mac, 6);
5 w! m) }, A, d7 U6 d - memcpy(&buf[6], stbid, 18);
5 S3 @- W. `/ A4 t( N8 x7 o' R# c - fd = open(E2PROM_DEVICE, O_RDWR);7 `8 U" a$ o" f2 c) P2 [
- if (fd < 0) {9 ]+ N8 x+ x- p* P3 F
- printf("Device %s open error.\n", E2PROM_DEVICE); D+ q" |7 c) Z/ g$ ]
- return -1;2 X0 s( _0 v, h9 l& z, r! o0 A* f, n
- }
$ o1 c A# W4 \/ c- ~, ?/ u - arg.sub_addr_count = 2;" f' v1 `9 O7 y# G5 u
- arg.data_count = 0x18;
8 H9 w7 M) i2 {0 U, y M3 L - arg.e2prom_cmd_sub_addr = 0x290;
3 Y5 ^0 e9 l; B+ v3 L# q- }3 K4 s4 d - arg.e2prom_cmd_data = buf;
7 {7 X% j, r+ f0 L, M - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
1 x- B5 {$ T6 d - if (ret != 0) {
# l, X/ z# c1 [ i. u9 f3 S( s - printf("Device %s write error.\n", E2PROM_DEVICE);, ^5 \) b- }' ^+ ~0 D5 G! p3 x+ V
- return -1;: o/ X9 W5 N& ?( O( R
- }' s; h2 H: A3 K, {
0 K& `6 R& {* x' F' P5 ]- return 0;7 y- t( l, H) ]. |! I9 a; G
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- int main()% m* p* ^" Z$ c- g& Y" y
- {
$ e8 Y4 x3 i' `, l4 B& x - char c;
r A! B, Q% P& E. a+ W8 h - int i, macs[6];
5 @2 F" B8 Q- {& B& {2 d. J - unsigned char mac[6];
5 T& ^) F& Q4 l5 `% o% }! M9 g# k - unsigned char stbid[256];
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+ G9 {# h4 P6 S$ G- if (readparam(mac, stbid) < 0)
: N: o% }( x: q3 I! F - return 1;
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- printf("Current parameters: \n");
4 A; G( Y! y5 f+ d! F8 L4 S - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);) K! J7 n4 ~8 T5 T+ p
- printf(" STBID: %s\n", stbid);; ^( R2 y( W5 \ I7 K6 J* {; d7 O; \
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
: A5 v, |2 e! [0 U& I1 w - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {3 |4 |9 f3 n$ B' O5 n
- printf("Input MAC error\n");" G2 W; o! W. |. H( ~3 v
- return 1;
( P9 s2 n5 b& D/ H5 q1 W" s - }
/ Y ?4 T4 i. a8 E2 [! }9 J, u - for (i=0; i<6; i++)mac[i] = macs[i];' b9 }* W1 A/ M
- printf("\nPlease input new STBID: ");
% H) M3 M5 @; L1 J& Y - scanf("%s", stbid);- I) M }/ b5 O- t! p8 c" n0 Q8 \, E
- if (strlen(stbid) != 18) {7 k! C2 u# N3 u( ^2 Y! c9 j6 m' w
- printf("Invalid stbid\n");! {$ ~8 F) T% X. X9 |
- return 1;/ f6 d2 l% V* q. k" V
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- printf("\nNew parameters: \n");* G0 ]& e M' b/ a
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);) \) T" R1 e! w* F
- printf(" STBID: %s\n", stbid);, x2 k, ~ k+ {: V. ~/ N
8 v, T8 p6 R5 U$ i1 {/ h) I6 {8 j( F5 |- printf("\nDo you want to change paramemters? (y/N) ");
, C2 z0 @2 Y! @% i1 Q" {# J( A - for (;;) {
# e P& f" F8 c: \' p' A - c = getchar();
2 G% B4 R: a7 v/ G - if (c == 'y' || c == 'Y')
9 G: v5 {- C7 o$ v! @ - break;3 }9 t! W2 J, O. D" R
- if (c == 'n' || c == 'N') {9 \* e( I* Z/ F
- printf("\nAborted.\n");
* W! y1 ?/ w- E! i( Z - return 1;
, {, `* a/ `5 V2 l5 |' M% T - }
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- if (writeparam(mac, stbid) == 0)
4 O5 u3 _ U5 \8 S e - printf("Parameters changed.\n");$ j1 n; l- D7 K% D! V8 i% {
* T/ _3 T2 k9 ?, ^8 l4 v- return 0;3 ?2 d) `' [7 i1 B% T) b
- }
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