本帖最后由 0522 于 2012-3-21 23:04 编辑
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2 F; J" p1 z/ [) t6 i修改的代码早有了。到今天不会编译。
9 U4 G& E; I( y5 g0 M1 h# l9 e需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>0 J. \8 c& m/ A8 Z& F" D
- #include <malloc.h>' z* |9 q0 n8 j5 H8 T
- #include <sys/types.h>. @. U. }* K3 U. h( L& L8 k
- #include <sys/stat.h>3 J+ h! m" \$ \) b' ^( [" {, a
- #include <sys/ioctl.h>- X( I- n6 b, t+ f
- #include <stdio.h>
) ~/ s# |7 N+ S2 W& T5 i - #include <string.h>
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) y2 v" |* V" t5 _- typedef struct {# X5 n& L, r. R2 T0 r3 k
- unsigned int e2prom_cmd_sub_addr;
* ^' a+ k! x( f3 K% R9 p/ E/ i - unsigned int sub_addr_count;
) w6 U, {8 Y4 [; C% M0 j2 A - unsigned char* e2prom_cmd_data;
! g9 h3 f7 W- A. ]2 ~' [1 c V/ | - unsigned int data_count;
4 [+ @) ]7 d) w8 }5 O - } e2prom_s_cmd;
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9 t! J7 u5 C/ n. i- #define E2PROM_CMD_READ 12 b. L6 e0 Q" p- J p0 [4 L; _# b
- #define E2PROM_CMD_WRITE 2
4 V0 r& M3 W! o - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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# [" ?$ P0 k; a, u9 p: X l- static int readparam(unsigned char *mac, unsigned char *stbid)# ^: r: }; r, C' `3 Q! W- w
- {
& j: E5 | o* \2 @" n& L, w - int fd, ret;
4 V3 E6 p* v7 t! E: o2 Q - e2prom_s_cmd arg;
: ~ e2 g% h" Q% s q2 ~0 l7 Q - unsigned char buf[0x18];
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5 _6 g2 _3 e1 s3 r& K) \) u( ]- fd = open(E2PROM_DEVICE, O_RDWR);
% k% L, z/ y8 q9 C - if (fd < 0) {' _' ?+ ]' L# s. \
- printf("Device %s open error.\n", E2PROM_DEVICE);
+ d. i! s5 ^4 V" P* [ - return -1;
. G* y9 k9 Q V; o5 Q - }
$ O: L4 s' j8 z! y3 W' D9 V* h3 { - arg.sub_addr_count = 2;
# S; u1 q5 w) Z% ? - arg.data_count = 0x18;1 X- u3 x$ O5 x. z! U# z$ H. H
- arg.e2prom_cmd_sub_addr = 0x290;
1 h9 M/ d* G8 U8 ^+ ~" g* Y - arg.e2prom_cmd_data = buf;
8 ~. E6 `! }3 q& r - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
3 j( T7 H' g: H/ f8 K @. V - if (ret != 0) {! B" F; v5 i9 `6 h, L5 f- o
- printf("Device %s read error.\n", E2PROM_DEVICE);/ c2 \! F m* a( |' t& b, O, j
- return -1;. K7 o# S+ J1 ~
- }
, x" P0 c2 i) V, l; y - memcpy(mac, buf, 6);2 X5 m6 j8 C. w; K
- memcpy(stbid, &buf[6], 18);% R. Z0 M1 q& I/ D+ J
- stbid[18] = '\0';' @: a9 L& S' t7 L% F4 Z, v% ~
- x8 g5 p+ Z3 a- c: K# y- return 0;
: F: e+ N& l _ - }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
* r$ }; [( f. {# Q) u2 ~" m - {
0 b5 D+ M& `& |% p0 V" d - int fd, ret;. I' P( E, P' E$ W, J
- e2prom_s_cmd arg;
: t" Y/ o1 l8 p! o+ A- X% b2 | - unsigned char buf[0x18];
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$ a! h( a* q" ~9 A- memcpy(buf, mac, 6);3 O9 ~ R* q6 h ^& B4 R; {
- memcpy(&buf[6], stbid, 18);
; q' o6 P4 h& `3 t1 Q. i. f - fd = open(E2PROM_DEVICE, O_RDWR);, K: @2 J0 P$ a( Z# H
- if (fd < 0) {9 o& t1 a. i" i |
- printf("Device %s open error.\n", E2PROM_DEVICE);; o. @; F2 }. b
- return -1;
$ X2 i: w9 u- }$ c7 w$ s2 W% c8 y - }- @) }) M0 d \2 i7 i( [* `) \
- arg.sub_addr_count = 2;
- K& D" F. \, e2 u) H% W; p - arg.data_count = 0x18;
q+ a, @9 k' y* B/ G; S. f9 K7 Q - arg.e2prom_cmd_sub_addr = 0x290;, S' \' ^0 n! J3 n' d
- arg.e2prom_cmd_data = buf;
- X6 \8 e! ^4 n7 M9 j) _7 k - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);) D6 Q8 K3 Q; \0 r/ ^
- if (ret != 0) {7 F* ] l8 W% ]5 [
- printf("Device %s write error.\n", E2PROM_DEVICE);
0 z; C# U: k$ o* ^" b% ? - return -1;( {* V& ?. l( l [. V2 T, z, [8 |
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- return 0;
% a1 M6 P/ h/ W - }
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- int main()# e* g/ q% b) w; |5 c
- {: K' v/ H* e+ E+ H4 w1 D& r
- char c;
- m I3 e$ G/ a) g+ } - int i, macs[6];
' y: Y, r# z7 r+ @6 t - unsigned char mac[6];
6 C7 @5 {- J6 t+ ~ - unsigned char stbid[256];, M& J( M/ C: e3 f% n S
+ _3 r4 f7 h& }- I- if (readparam(mac, stbid) < 0)
5 O. Y: \+ R9 b0 |6 V - return 1;
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. d0 P R' Y4 d: y- printf("Current parameters: \n");
8 V5 @ V+ r9 R! Q$ \+ D - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);' ~4 P) S- s( }+ k: F' H# O5 R' k* V
- printf(" STBID: %s\n", stbid);) @1 @, |* W* M9 X
-
) \$ ?! d3 f! n$ p6 T - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");9 F$ N4 c$ h1 t8 X9 U0 A }
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {" n- J. k5 L. @/ p6 b" C6 O
- printf("Input MAC error\n");
6 J8 V& n# |: i5 {- r# E - return 1;
8 Z: E8 B- `1 C E3 r - }
% H% U% W6 i) D# w - for (i=0; i<6; i++)mac[i] = macs[i];
# B$ L% \# ?, z- j5 Q - printf("\nPlease input new STBID: ");
" f7 |8 [+ `) y- h( W - scanf("%s", stbid);; K3 |7 B9 O) \
- if (strlen(stbid) != 18) {
0 W0 t3 Q+ c L) B - printf("Invalid stbid\n");: V3 p9 Z X; O+ ?0 `
- return 1;; @! B8 Z+ i; V @
- }/ L' S, V& }% Q
- printf("\nNew parameters: \n");9 Y0 V8 P) y- E
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);' ^; U y: z& e: X! e' t
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
" C6 W, j% g5 D) c - for (;;) { R Q, a$ G/ Y
- c = getchar();
5 j* A: A: l# D) M2 L5 t r/ h - if (c == 'y' || c == 'Y')
, |5 L+ R- R9 z" w* Z: R - break;, E1 t$ ~/ g, b. m z
- if (c == 'n' || c == 'N') {
Q2 F* C! R- v - printf("\nAborted.\n");
/ H, E! T& g, ~ - return 1;, p) S7 V2 C; K+ c4 X+ Z
- }, m2 O/ B" D$ M' q- l A
- }7 p' e6 P8 ~' L* ?' `: C
- if (writeparam(mac, stbid) == 0) - I5 m% j- Q1 e3 Z
- printf("Parameters changed.\n");
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$ ~0 X5 W% I4 w( H& V* d9 ~& }- return 0;
2 k1 D5 q6 p6 ~5 p6 { - }
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