本帖最后由 0522 于 2012-3-21 23:04 编辑 & |& @9 l3 s z9 V
1 k" C$ d( X$ t4 N, k& R修改的代码早有了。到今天不会编译。
! ^% }1 K! z3 ~& x+ G8 K2 w需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
: l/ h- I% l1 Y$ l6 Z2 L ?: d - #include <malloc.h>
) U' k7 s! u, p$ o/ z% N& S - #include <sys/types.h>
3 A2 N6 H) m9 F) ^ - #include <sys/stat.h>
9 k: p1 A" \. L/ C - #include <sys/ioctl.h>3 g# Q3 @- E9 @& k# x" I
- #include <stdio.h>
4 u: u2 C. l. T, { - #include <string.h>+ l, G- l2 h9 U+ b a+ l
- / {3 F+ n# W* I8 ^
- typedef struct {! d+ B1 t1 x+ H8 P5 J
- unsigned int e2prom_cmd_sub_addr;
8 N$ O# n9 g/ u4 j$ u$ }2 |, L/ _ - unsigned int sub_addr_count;7 G4 q1 i6 j5 [
- unsigned char* e2prom_cmd_data;4 e, L4 S$ J+ s% e
- unsigned int data_count;
& |0 T" _. P | V6 G5 X+ r' t - } e2prom_s_cmd;1 R3 c& [# ?! |
- / C; ~! X n4 C/ v% |' D
- #define E2PROM_CMD_READ 1# c7 N' x9 y2 ]- i
- #define E2PROM_CMD_WRITE 2' M0 I8 |, f2 O) ` O- {: j
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
p( U- R- f+ I/ n& a - - G2 r& C W' c2 ?
- static int readparam(unsigned char *mac, unsigned char *stbid)
, [ p R* X1 v% i4 J6 m - {, ]; i0 _5 J. q
- int fd, ret;# @ {4 [, J# k) U2 R# U
- e2prom_s_cmd arg;
1 T; p) x$ P7 B1 i/ C, _1 j - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
7 m: h1 s/ a9 Z5 u) W" B - if (fd < 0) {
" L8 n7 M/ I4 p5 |$ g9 v2 B - printf("Device %s open error.\n", E2PROM_DEVICE);
8 s, U0 ]0 W9 ~' T \ - return -1;, v1 e9 x: J+ J3 ?2 \9 r; P
- }2 b+ h: O4 e6 ?
- arg.sub_addr_count = 2;
$ H# U* G, \ R0 d8 l% K9 ^ - arg.data_count = 0x18;7 P0 v0 y* C" E& |. n9 R, O) l ?
- arg.e2prom_cmd_sub_addr = 0x290;( f% Z" y1 `! l, V: W1 Y
- arg.e2prom_cmd_data = buf;
) N& R9 H4 A. h- q' a7 d - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
, y3 R0 c' R2 D, M. A" t- K( U - if (ret != 0) {8 p: |, G! d8 \! i/ V
- printf("Device %s read error.\n", E2PROM_DEVICE);2 `' t" j8 m1 {- }
- return -1;
- o1 a+ p; E8 O7 Y3 B - }; z" @, `" G2 c; k; O
- memcpy(mac, buf, 6);
( [2 Q' Q0 b, j4 ? D* r - memcpy(stbid, &buf[6], 18); e5 u$ a, J W) O8 n) r1 N8 c
- stbid[18] = '\0';, u0 B) c* N O; ?* _; H
4 @ k; p" _5 S- return 0;" T2 R o. E; N& l! z3 k
- }
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; V0 p: g, T; N) m; F: F1 {- static int writeparam(unsigned char *mac, unsigned char *stbid)4 C+ S0 k/ x0 x
- {
, a3 _' p* _+ ^" ^1 ?1 a5 {. n - int fd, ret;8 f; F3 Y' w8 x. }" X* W
- e2prom_s_cmd arg; U. x/ u+ P( c3 g! G) H
- unsigned char buf[0x18];
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+ @2 c" h; \/ L; {9 X. L9 m* d- memcpy(buf, mac, 6);% u5 m# H4 Z: m0 i- W
- memcpy(&buf[6], stbid, 18);
0 p) r' J) E4 q, G - fd = open(E2PROM_DEVICE, O_RDWR);
( \# H3 x! U1 t! w: v; \- B - if (fd < 0) {
- P' E3 H8 S3 J5 `8 n+ ~ - printf("Device %s open error.\n", E2PROM_DEVICE);9 x! [* }6 O% y1 \/ B
- return -1;7 Z* L2 x; W6 V: g' p) ]
- }6 W& I7 x- N2 k* F' x' K0 f" s" q
- arg.sub_addr_count = 2;3 N+ Y0 a* C+ R z% k& _
- arg.data_count = 0x18;
) W4 l6 x0 @. F* ~ - arg.e2prom_cmd_sub_addr = 0x290;7 O# y- x3 i8 z, U4 k" D$ o5 `
- arg.e2prom_cmd_data = buf;, O/ J8 C1 z5 d$ I s6 A0 h
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);( y5 n! I* O/ I! H: S, |# |9 `
- if (ret != 0) {* s# x- j! @0 D/ h
- printf("Device %s write error.\n", E2PROM_DEVICE);2 i2 m W/ G' Y! G; J# }
- return -1;. z0 h( P. I @: H( B+ f# x, K' B
- }
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7 m' F+ b. K' l- return 0;
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- ' S3 f+ v3 \, Z+ M7 S l& n, p
- int main()
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- char c;
( p) |' _' k8 e6 {) a' l - int i, macs[6];! Q$ Y; j# `# K: c+ K; C1 ]
- unsigned char mac[6];& @# F6 R/ }& r$ N' J% \
- unsigned char stbid[256];
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" k m5 V: i9 ~3 L- if (readparam(mac, stbid) < 0) w- Z) @+ g' _3 `
- return 1;! q6 S+ ~- P" ]
- " v1 C: f- g* Q
- printf("Current parameters: \n");
) ^( G- k* }( g2 S - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);; z7 D, p. G% J+ X: M5 }
- printf(" STBID: %s\n", stbid);8 e& @! A9 s, X8 J8 O
- 6 e3 n. E/ J1 A. N9 o3 d
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");7 h9 M! e9 B9 f: d% {. a
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {9 L# n/ @" q7 E. A; j
- printf("Input MAC error\n");5 I& ~0 C2 c; S# N$ @
- return 1;* D1 M' |: S( X3 C
- }( b7 b! X/ p7 z/ [0 x! g z
- for (i=0; i<6; i++)mac[i] = macs[i];
: G+ M1 B$ Q9 p( h - printf("\nPlease input new STBID: ");+ y; ]" H4 w4 F8 t' o( ] D( ?
- scanf("%s", stbid);
( Z- ~' p' F5 r8 [' u! ?8 g. K, M - if (strlen(stbid) != 18) {
0 i, i: Q; F" Z: V' h8 e - printf("Invalid stbid\n");
1 L6 U% H$ M5 ^% Z3 i# y8 T - return 1;
+ p8 w" A3 m3 \' r1 [ W - }! {0 M( P) r4 _6 D8 ], J
- printf("\nNew parameters: \n");+ {" E' V* U" `0 j+ L/ G
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
& B4 ~! D7 S" m1 i - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
* H6 e4 i) u' Z+ \; o' ?, G - for (;;) {
3 Q/ ]+ b' s5 ^ - c = getchar();" O2 {. H) }7 ~0 o- n2 [
- if (c == 'y' || c == 'Y')
* u' b! O* d Q - break;. l/ P6 t K& @8 Q; |
- if (c == 'n' || c == 'N') {
: p i6 X8 F$ p - printf("\nAborted.\n");, s' o! E. I0 T1 V( ~/ M5 ]
- return 1;' h* K* O* A. Y
- }' F7 k. n& W; Z
- }8 u4 H y! ]. Q5 n) r0 E9 X
- if (writeparam(mac, stbid) == 0) $ @- y, ~, L$ s, m+ |" g
- printf("Parameters changed.\n");1 |0 _0 P5 f1 d' r3 [3 M
- 0 L- c) a% \- ?, o6 w3 {) h
- return 0;# O7 \1 e: q4 C" A' o3 z' x+ h# f
- }
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