本帖最后由 0522 于 2012-3-21 23:04 编辑
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修改的代码早有了。到今天不会编译。) b* m ~5 V5 W) I8 {, M
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>9 y* W, f$ c/ m5 h
- #include <malloc.h>
6 b- q5 q! |1 E- B2 q% j - #include <sys/types.h>5 p. N8 ~- J3 ]) D
- #include <sys/stat.h>
. t, \0 v1 Z3 L& q. x0 A* r8 V - #include <sys/ioctl.h>5 D1 k+ O+ o7 u, @- z) R; l
- #include <stdio.h>3 [5 x" t1 {) H7 m9 K8 [! t2 a$ j
- #include <string.h>: j: N) W h' f- s7 ~
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- typedef struct {' o+ w: o9 W$ e! Y8 {8 w% t
- unsigned int e2prom_cmd_sub_addr;8 X1 p+ |" }9 p6 V- x0 g4 v- j
- unsigned int sub_addr_count;
! q" @! L8 \4 K' m - unsigned char* e2prom_cmd_data;; S6 i; w/ p5 P" k9 W8 c
- unsigned int data_count;; ]* m4 ~4 F6 T6 V9 U ?
- } e2prom_s_cmd;5 \, I8 {; `" _- D
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- #define E2PROM_CMD_READ 1
* @7 A% s1 O7 l8 d- h$ d! i - #define E2PROM_CMD_WRITE 23 s+ D, G; O) l+ H
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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$ |9 D. n; ~. M$ Y2 D( B- static int readparam(unsigned char *mac, unsigned char *stbid)) p. j d: x: n/ i# \
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- int fd, ret;
; ~9 D/ Y" T4 F* y$ `$ U; a - e2prom_s_cmd arg;
4 u7 @4 t9 \" S% C! M `+ y( F7 L; n - unsigned char buf[0x18];, h' E4 u' {# o- [5 {, [
6 z% }7 \2 D1 Y# v9 \) R- fd = open(E2PROM_DEVICE, O_RDWR); r. s" Q; a4 a' _7 Q. f4 m
- if (fd < 0) {% u& b" ^' o7 z
- printf("Device %s open error.\n", E2PROM_DEVICE);
3 n4 e! } P9 r - return -1;2 O4 D$ _$ r9 ?) n* A& n
- }4 x% g8 ]3 t+ B8 T' K1 E
- arg.sub_addr_count = 2;/ D; A9 C# i+ k
- arg.data_count = 0x18;
6 J) m. F* z Q9 Y1 a/ W9 W5 ` - arg.e2prom_cmd_sub_addr = 0x290;
5 \' V5 X% c2 _8 w; }2 \2 D - arg.e2prom_cmd_data = buf;
/ x" V4 a1 ]5 _6 c7 V8 l, b4 }; \1 { - ret = ioctl(fd, E2PROM_CMD_READ, &arg);/ F; b/ B1 u/ q: M" l5 V
- if (ret != 0) {# \% A% {% Y3 |: f
- printf("Device %s read error.\n", E2PROM_DEVICE);$ U, G/ K, Q6 X }0 o; v0 \* t
- return -1;
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- memcpy(mac, buf, 6);
+ w: y A6 N2 ] Z* W - memcpy(stbid, &buf[6], 18);
, a$ _ e$ A4 _/ c) }" O; w - stbid[18] = '\0';; G: U2 }1 q' e
* L8 s$ f: S. _/ f1 z1 M: y- return 0;* T# j1 [8 v! ~! r
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)( q3 G$ s% e- D) S- Z( Y' r. m. @; |
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- int fd, ret;
/ _6 x5 |( n) J# r: V - e2prom_s_cmd arg;9 Y% s& X- [( o* ?' w" K' `
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);6 K; N+ }, C6 e7 m7 E
- memcpy(&buf[6], stbid, 18);
- M3 E; X: E( F! H& g% S - fd = open(E2PROM_DEVICE, O_RDWR);% T% L" b, g c8 j t% a
- if (fd < 0) {4 C2 M# G3 y$ ~% Z* h! l
- printf("Device %s open error.\n", E2PROM_DEVICE);
. A3 f& J* F* I. G; }2 M7 I. p! o4 G - return -1;
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- arg.sub_addr_count = 2;
, B2 Y! y! r- K( ]- I/ I6 g5 ?& D - arg.data_count = 0x18;
; f, }+ u' e$ m* g- {' ~" { - arg.e2prom_cmd_sub_addr = 0x290;. `- j0 F- \+ x# x/ b$ o; e. r
- arg.e2prom_cmd_data = buf;
. P& n ?0 m S. p0 j9 G- y - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);, {/ W% G' U0 `$ i, Q3 P& s
- if (ret != 0) {$ N- Z: J, U" V8 Z5 c& Y+ ~1 T6 w
- printf("Device %s write error.\n", E2PROM_DEVICE);
2 r }( b& z) [" T- M7 N- | - return -1;
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1 g7 S+ u* L) _: a- return 0;
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- M" v2 q& H+ }- int main()3 d# e% `8 }# O3 `1 x& X
- {
. _) r# c: q& u; p; C/ j - char c;- x, o1 I8 D4 ?0 S* Y- b
- int i, macs[6];
+ z0 s* |$ h) t, M$ t7 } - unsigned char mac[6];
8 g: [/ H' v) c6 I4 k; ~7 x - unsigned char stbid[256];3 q. H [4 U( i9 h& Y3 U: l, ^
- * ]7 s/ Z3 n. t% P6 n9 v% ]5 D# ~
- if (readparam(mac, stbid) < 0)
6 I1 _ O, w; ]3 k5 @5 a - return 1;6 [% O4 A }) p+ _! T
- 6 H: Q9 J* F+ e( D+ w4 q1 `6 C
- printf("Current parameters: \n");
- k. ?3 p8 j4 R* `. ^( W$ m& S& B - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
8 P: E, {& D$ K1 s( ^ - printf(" STBID: %s\n", stbid);
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, x* L3 x* n% l% b" j5 R3 f2 y/ q - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");% W3 m) G$ U2 x0 m a- `; Q
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
7 i) B* W" a" u% ]; ?3 {( g - printf("Input MAC error\n");- r( }1 J; o @0 E$ L
- return 1;
M; b; o! s; ? - }
% g, F; n: H3 P3 L X - for (i=0; i<6; i++)mac[i] = macs[i];+ S$ [0 l/ z: \
- printf("\nPlease input new STBID: ");4 x3 T' r: x: j$ Q$ h
- scanf("%s", stbid);
7 A. S5 ?7 z6 \7 S9 H3 _$ T - if (strlen(stbid) != 18) {$ b4 r- N7 { }3 F. K: E' R% B D: z
- printf("Invalid stbid\n");
& w, ]3 }; r3 \; m0 D9 O. @ - return 1;7 d$ [7 n! E0 C! F+ |6 ?3 @+ E
- }
8 P) k; V- r$ o - printf("\nNew parameters: \n");
s4 Z( K! M: h7 P( v - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);9 q: }0 z/ Q; n7 U: I1 v, P" w
- printf(" STBID: %s\n", stbid);
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& f, z0 R: E/ B& {- printf("\nDo you want to change paramemters? (y/N) ");
( V: E* w: M" i7 { - for (;;) {
6 \: N3 k8 D# J - c = getchar();8 r$ Z6 {+ l: Q8 B( l( D
- if (c == 'y' || c == 'Y')
8 {9 l0 A2 W# G$ l- p - break;2 }4 Q7 E- ?7 D# l! E
- if (c == 'n' || c == 'N') {9 u( O+ s+ \6 c+ r- w$ P
- printf("\nAborted.\n");
- [- ]+ A) A9 N4 w/ C' o - return 1;" ?! y- T3 A; C" f# A( Y
- }* x9 X4 R$ P& y1 I4 N8 k0 R; |
- }
9 s, a% q( O+ T8 S# i2 D - if (writeparam(mac, stbid) == 0) , K* k8 b) p: C7 Z: \
- printf("Parameters changed.\n");
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- return 0;) P; A- D6 ?& y9 |" w- J8 F1 h% b" g) S
- }
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