本帖最后由 0522 于 2012-3-21 23:04 编辑
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. R8 ^. A% E8 G9 h- u C5 x修改的代码早有了。到今天不会编译。
7 r7 o3 x/ V3 b' V需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>0 a9 n3 P% M4 b& Y
- #include <malloc.h>
" `) u, t q7 q3 o7 |; ]2 q - #include <sys/types.h>5 I! s. B X. v5 \9 p% M
- #include <sys/stat.h>
0 _8 g2 V3 u# G/ z8 x, U- l, Z% p - #include <sys/ioctl.h>
( C' ^4 u1 `. e5 m" \ F+ h - #include <stdio.h>( o3 u) O& [& M; y6 ]. b/ L% C
- #include <string.h>2 z2 L, Y9 w5 W9 F, h
' R/ {3 `# w. O- typedef struct { K- P4 [" b( `7 _
- unsigned int e2prom_cmd_sub_addr;3 ~1 A- H, [4 ], M
- unsigned int sub_addr_count;+ `0 n, q% X+ H1 _
- unsigned char* e2prom_cmd_data;
! d4 Y2 D! n1 X% g0 j. B1 k - unsigned int data_count;
0 m- q, P& w( j% N/ S4 M! _7 R - } e2prom_s_cmd;
) e0 j3 L# i+ n2 F - 5 A) Q2 p+ X2 {7 G) ]1 N' j
- #define E2PROM_CMD_READ 1
8 U, B2 }' N' H - #define E2PROM_CMD_WRITE 2
G3 f( s& z+ U/ F9 W( P - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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2 a4 H" O& u/ a" V! N+ d- static int readparam(unsigned char *mac, unsigned char *stbid)6 D$ I `0 Z* X8 _7 X' e/ h n; J' N
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- int fd, ret;
" w6 z* S" H% V4 w: `4 b - e2prom_s_cmd arg;
0 ?& V7 e4 l& U! K3 w - unsigned char buf[0x18];
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% d7 h# z6 g7 C4 E% I- J7 [- fd = open(E2PROM_DEVICE, O_RDWR);8 {) h, l7 {- B7 s/ c c
- if (fd < 0) { ^' H: c# D( h9 f- Z( Z
- printf("Device %s open error.\n", E2PROM_DEVICE);9 I$ s: _4 R9 i$ i. t6 h `: A$ |+ L
- return -1;/ W) C. q2 ~' E5 Q
- }' K, }" {. ]1 e: I$ P U* x
- arg.sub_addr_count = 2;' m4 X$ n- P: O# x% u+ |" j1 l
- arg.data_count = 0x18;
6 Y3 g) S( L" P' n1 @) l- A - arg.e2prom_cmd_sub_addr = 0x290;
$ a' p5 _( R3 g& R$ b, N, @ - arg.e2prom_cmd_data = buf;" b( n1 \0 {, i3 w9 \
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);( K _4 i. @5 |. N1 w& h
- if (ret != 0) { d8 N$ l, F% V4 E
- printf("Device %s read error.\n", E2PROM_DEVICE);. ~1 X( Y. @4 ^5 _* v2 L
- return -1;
: b7 L* Z$ f" i' D; `1 |. ^/ } - }
+ a1 x& b' K3 _) L* N - memcpy(mac, buf, 6);
. R. o' q. p3 K, a - memcpy(stbid, &buf[6], 18);$ q9 [" s1 @- k, B( o P
- stbid[18] = '\0';, t- J+ N$ ? e: N i) J
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- return 0;
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- 9 ~! ^. ]; ]1 c" P, C1 m/ H
- static int writeparam(unsigned char *mac, unsigned char *stbid)' b' R( O+ y7 c& H# i" U, z( N
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- int fd, ret;! n0 K# Y) e7 t8 s1 P. r
- e2prom_s_cmd arg;
4 I) Q4 S- d9 i2 V - unsigned char buf[0x18];2 `" |1 E$ q! f! h. H3 h4 D
- 2 @) r6 F7 v) @8 b
- memcpy(buf, mac, 6);
# P9 y/ [& j9 e A# c - memcpy(&buf[6], stbid, 18);
( x e* g% a# }& s - fd = open(E2PROM_DEVICE, O_RDWR);
% C% P& z$ g9 R! F$ e - if (fd < 0) {
( C+ z+ K% ^/ s- C; ` - printf("Device %s open error.\n", E2PROM_DEVICE);
k2 M5 L" _2 a; h1 G- I - return -1;
; _ C6 @2 v# L$ L - }
. _5 t0 ~' i; K1 v% n! g6 y$ i - arg.sub_addr_count = 2;
) ~5 ?: }5 f Y, H - arg.data_count = 0x18;# a/ z8 {! g& C; f
- arg.e2prom_cmd_sub_addr = 0x290;5 N9 W1 Z9 k7 g! b+ W! W4 r6 M0 d, G
- arg.e2prom_cmd_data = buf;. m& t2 r% A9 T4 }3 o
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg); Z" Z/ ~. t4 _3 f. P+ z' [ d
- if (ret != 0) {
/ ]6 p) ^. I- n" F - printf("Device %s write error.\n", E2PROM_DEVICE);
5 ^, ~, ]! w" W. O" M& U: H. Z0 @ - return -1;
: f' Q7 S- Y* N- O8 _: |5 f - }
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- return 0;1 c( ]+ A8 {. C' v3 U
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- 7 t8 _0 F5 ?3 S/ {1 Z5 q
- int main(): ^: q& F3 U9 H; L. U
- {
8 E! Q* ?5 {6 y2 J - char c;
2 P Y; m3 w) |& D' Y# D - int i, macs[6];
1 X( M* [3 Q. \ - unsigned char mac[6];# ? S o, y) z s" _
- unsigned char stbid[256];
3 \% [6 P }6 H5 W( y4 A - t! ~8 H- Z/ {
- if (readparam(mac, stbid) < 0)5 l' O+ t$ T+ S8 N& L
- return 1;
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- printf("Current parameters: \n");7 h2 d* p" n- A+ K( ^# a
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);6 b% D+ p3 z3 Y y- I9 q& C
- printf(" STBID: %s\n", stbid);+ [) {) ~2 _: ?/ _
- $ i+ g$ v, L% K2 Z H: e
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");6 \5 \; h, V2 A. b1 t1 A
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {4 p$ E# y5 A" }' c6 k% B: P2 M
- printf("Input MAC error\n");
1 u# {$ i6 z/ Q4 i8 N8 k - return 1;2 m! u5 |5 g1 K8 u
- }3 \0 Z" j: j1 f% ~: Y2 Z
- for (i=0; i<6; i++)mac[i] = macs[i];
2 A* p" _$ {9 t" t+ }, @" h8 G* O - printf("\nPlease input new STBID: ");5 `( z3 d4 {, Q0 G
- scanf("%s", stbid);
+ Z! H4 j" n) V( f; q - if (strlen(stbid) != 18) {
/ K8 h0 i8 T2 n$ j; Q' J8 C - printf("Invalid stbid\n");' O8 K3 x, |1 P8 x8 B, m! ~
- return 1;
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- printf("\nNew parameters: \n");; s+ J! m0 q6 T9 b8 E
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
! M, M0 n8 E8 k - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
& ?- t" ~* S; @7 H - for (;;) {% I; c( T7 \" x" i7 C7 p7 @
- c = getchar();
; Y& J& C9 I- F4 R* t - if (c == 'y' || c == 'Y')
, o) B3 \, F( [9 f: n - break;
; I7 m- N) y' P+ X - if (c == 'n' || c == 'N') {* T0 K& m) a( J+ Z$ ~" x
- printf("\nAborted.\n");
j; M2 [ J3 {/ j# }, r0 C# n7 J - return 1;
+ C. {( Z6 p( d" R6 E" b( h! N - }
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- if (writeparam(mac, stbid) == 0)
' N& E- I+ J- Y8 p8 _6 I0 f - printf("Parameters changed.\n");9 R0 B, K% W3 l% J
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- return 0;
. G* n; c/ L+ E - }
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