本帖最后由 0522 于 2012-3-21 23:04 编辑 9 R* w S1 r0 c+ L- C3 `
, C3 c# E( ?! m$ e* a! B2 P, v修改的代码早有了。到今天不会编译。
7 [( ]3 `& m1 n3 v( d/ H- k需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>4 {) H0 d% p" U8 ~0 _, ~+ s
- #include <malloc.h>
, g3 K* Q; m k - #include <sys/types.h> x7 V! }, t) T, o6 U1 X/ k
- #include <sys/stat.h>" I9 D& q" ~0 R0 s5 J1 v
- #include <sys/ioctl.h>$ k; a# y# V& ^ h' v T! Y
- #include <stdio.h>
0 I; p, Z1 N& Y- D4 O d - #include <string.h>8 ~& D$ ?3 z' r" R3 ]
- / }9 k% A. ]+ m; X
- typedef struct {2 F) q3 ]2 W1 w: C4 q; a
- unsigned int e2prom_cmd_sub_addr;; i! `5 }6 x n* L, Z4 E8 M; ^. M
- unsigned int sub_addr_count;
/ t: B0 C& H) u5 e5 o1 A - unsigned char* e2prom_cmd_data;4 D1 h5 p4 u( P" C! X2 n, y
- unsigned int data_count;
0 h9 E7 K1 b2 l) w" K% m - } e2prom_s_cmd;. K) x4 w2 w% T
# ^+ m+ B; y, F& i! }- #define E2PROM_CMD_READ 15 o2 B5 T5 U: ^* l/ \3 |( A
- #define E2PROM_CMD_WRITE 2
, J3 z2 V6 y4 k9 ?) L9 x - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"3 L' e" [& Y" a' o
- , o5 n' S1 K! T1 u* n. X
- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;/ N7 G9 x t C. a
- e2prom_s_cmd arg;
7 d: W) f+ u' s: r, U4 Y6 @; T1 q - unsigned char buf[0x18];- b# M5 D6 v. M6 p/ z
' |; ]* B3 h. k' O" G- fd = open(E2PROM_DEVICE, O_RDWR);2 m+ O) R( ^) s# ]5 R# w
- if (fd < 0) {
# l5 j" |: o2 g7 A! h - printf("Device %s open error.\n", E2PROM_DEVICE);
4 O, i5 H O+ Q; Y9 X- I - return -1;- }. n% K$ K5 |7 l/ r; r% w
- }
# i B0 ?; | K' [' D - arg.sub_addr_count = 2;
- @- D$ I( \ I" |# ?6 y - arg.data_count = 0x18;, g1 i0 M1 G9 l- K% y& v
- arg.e2prom_cmd_sub_addr = 0x290;
6 H y7 L$ n$ p - arg.e2prom_cmd_data = buf;# T3 t0 m0 a- M& |$ r
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
" s5 w8 f1 G& l) N) b2 f! k - if (ret != 0) {
5 d$ k: [) G% Z) A+ u+ K - printf("Device %s read error.\n", E2PROM_DEVICE);0 S8 e* ~6 m @! k4 k
- return -1;$ A6 W# H k ^! n
- }! F( J5 j$ O! E* ?! f7 C1 F2 o d4 Y
- memcpy(mac, buf, 6);9 l" M- B1 f: P! D3 R+ f" k
- memcpy(stbid, &buf[6], 18);: p+ |% l4 I& @' |
- stbid[18] = '\0';
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D% o. k2 p8 T8 Q. R2 l+ o# d' k$ E- return 0;
/ R! ?$ I3 T: k) B6 x' j - }
2 y5 O$ ~2 X8 ^2 i" d- _
. O) N- K/ G& s# y/ g5 W- static int writeparam(unsigned char *mac, unsigned char *stbid)4 e2 k2 I$ Z7 k7 D$ x
- {
) B' t5 F2 I% ?0 h% ?- ~7 w - int fd, ret;' \( m( W& g( j6 f1 Z: e/ M
- e2prom_s_cmd arg;1 m# L3 R$ j5 y6 r1 J7 O+ h
- unsigned char buf[0x18];8 J7 g/ t: p, K) N3 B$ a; \
+ |) s2 m; A+ n" ^! N% q7 A- memcpy(buf, mac, 6);
2 s" n) L L# _2 t! _: W! e - memcpy(&buf[6], stbid, 18);
9 Z }4 T+ S, j - fd = open(E2PROM_DEVICE, O_RDWR);! u" b8 X( F1 C* U
- if (fd < 0) {. g1 y- [ ?% W# h- @
- printf("Device %s open error.\n", E2PROM_DEVICE);
# V( F$ ^/ _) d; y# p* w - return -1;
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- arg.sub_addr_count = 2;
. c/ H. |7 y( \8 X5 ~& C- P - arg.data_count = 0x18;( d& T2 M; X; x+ j" z
- arg.e2prom_cmd_sub_addr = 0x290;
, g0 W! N) ]/ R# w1 Q - arg.e2prom_cmd_data = buf;
: @+ ]0 V5 {3 k+ q/ ^ - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);* t J6 u) p m" F. h+ l. y
- if (ret != 0) {
* j' `! F8 Y* V3 w+ L - printf("Device %s write error.\n", E2PROM_DEVICE);9 o5 y) J6 y7 i+ I! Q
- return -1;- Y4 o. g. v+ ]
- }
7 W- t" O, M8 L4 y
6 p/ f* w- V/ |4 p- return 0;, t3 N$ [% ?0 G# E. B; S- W1 U. u
- }
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8 k8 |, U- g7 E# ]$ h/ `- int main()
, p, P/ ?: k. G/ \ - {
4 s: t* |- Y7 `8 T7 v - char c;2 e; C5 H2 I3 r
- int i, macs[6];( p6 R- |0 C w% b0 z# ]. h
- unsigned char mac[6];) E9 g" X& M5 h- s
- unsigned char stbid[256];/ i9 ^) K% S! d3 e5 ^; ]
- ; _ q- f$ R3 Y2 V. i) J! G
- if (readparam(mac, stbid) < 0)8 `' g R# A" I$ f
- return 1;0 Y g; x- C+ _- G: X; W
- % z* G4 Z0 L2 @# m8 S: ], ^
- printf("Current parameters: \n");# k0 h3 [0 s4 {2 j4 \: T
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
( z5 V+ K d2 b4 ~5 Y4 ?2 K/ m - printf(" STBID: %s\n", stbid);
: |7 N. S" f O, l$ I5 O -
6 `% \; a* [, f& e" w$ H8 S - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");5 f. A4 `( v$ f/ X
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
+ C% ?5 w3 i. I3 X# X) ^, _' o$ A- [ - printf("Input MAC error\n");- y* l( C2 X0 D W# T1 K5 k# b
- return 1;
/ E1 q! n- P' y - }
- i% v5 I; H- H2 Y3 E - for (i=0; i<6; i++)mac[i] = macs[i];
% @$ g1 B2 [" X2 X& E - printf("\nPlease input new STBID: ");
7 }& \! c. {( l - scanf("%s", stbid);; z! c& |% s0 {- M2 \% H+ t
- if (strlen(stbid) != 18) {
7 i8 B I) S! m. A. p - printf("Invalid stbid\n");' r) F+ U1 d2 s3 j0 z" T$ X+ A+ ?
- return 1;7 T1 q! a, }4 a$ L, k$ d
- }) B! H) s; p. l# B' Q
- printf("\nNew parameters: \n");
* ~3 d2 m3 i- A5 U' ~" V - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
7 G% P: x# }" o* i0 H - printf(" STBID: %s\n", stbid);6 r# W K% e- ~. i' G' B( n3 h
' |# R! b3 j! Q: y, c) h0 o- printf("\nDo you want to change paramemters? (y/N) ");6 _7 q5 S5 }8 [" B7 l
- for (;;) {: v$ L' `5 U# v4 B
- c = getchar();
, A; e ~6 j: I; |! Q. [, o x - if (c == 'y' || c == 'Y')
( k4 a! ^; t8 l `1 ~; i - break;
0 n, w; M3 h. o7 K0 k - if (c == 'n' || c == 'N') {
- ?* Y2 ]+ C/ `6 _ - printf("\nAborted.\n");
# U* H& j$ R' v3 D - return 1;
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5 D; ?. a! l7 S6 m/ b! {* U - }# m, _, A4 r8 X) r. T1 M
- if (writeparam(mac, stbid) == 0) 2 H. M, p- u. b
- printf("Parameters changed.\n");
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e/ q9 Z3 c6 W: d' q. w- return 0;
' M1 I* m6 `! ~; A+ t% ?0 j - }
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