本帖最后由 0522 于 2012-3-21 23:04 编辑 / ~( O) L ^4 O
6 d! ^$ C) f! I. a) k修改的代码早有了。到今天不会编译。
. G) T9 R$ c( n1 ~; i需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
* c' T( N. E1 c* O3 P - #include <malloc.h>" G' s! v, w" ?& C2 r& ~: a( w
- #include <sys/types.h>9 Q( r6 e* U }0 C
- #include <sys/stat.h>, n p2 @8 z0 ]8 [( `& C. ?
- #include <sys/ioctl.h># T0 U5 f, ]4 U. x
- #include <stdio.h>" z! _/ O' D2 L7 e' U
- #include <string.h>3 f) X% n. ]/ E
- 8 S4 u& z O! C; x: T- ?0 ^. E
- typedef struct {3 _% W7 s7 y* |) E7 Q8 A
- unsigned int e2prom_cmd_sub_addr;5 Z0 d" Y* U1 y/ n/ I/ i; u
- unsigned int sub_addr_count;
, E: p0 m$ i# }$ P1 I. D; k - unsigned char* e2prom_cmd_data;
, F& B# ~, T6 W8 d4 P - unsigned int data_count;8 _2 w+ t" K5 `# n2 Y
- } e2prom_s_cmd;; Z$ U) E( ]' D5 X6 k
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- #define E2PROM_CMD_READ 1
" q. j+ R6 k8 e2 M ]+ [ - #define E2PROM_CMD_WRITE 2
, H9 Y/ v8 U, F. l9 C$ b: ` J - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"% U4 W& X5 V( L7 K. ~* i: v- b
- + ?7 ^5 ] |! \! }2 Z5 h
- static int readparam(unsigned char *mac, unsigned char *stbid)
- R. F8 k& d3 G& B - {
" A$ E) d( U, x0 u5 W3 K - int fd, ret;
g3 D+ H( r4 v2 J: ? - e2prom_s_cmd arg;
, S0 w7 T5 G# f& N4 Y7 e- V - unsigned char buf[0x18];
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+ _2 j1 F. r2 d9 ]; _/ f; b+ y- fd = open(E2PROM_DEVICE, O_RDWR); I& \! n) ~0 ?- O0 n% G
- if (fd < 0) {- M# J) [! y0 w8 ]
- printf("Device %s open error.\n", E2PROM_DEVICE);2 t: b$ G: D7 q
- return -1;
( b; }! H( T" w H5 Q - }
4 i2 h( ]3 [. f4 G: h3 ^/ F n7 M - arg.sub_addr_count = 2;
, s* P" k8 ?+ H. T - arg.data_count = 0x18;
8 I. p5 F+ F* O u7 d* I1 U - arg.e2prom_cmd_sub_addr = 0x290;1 p/ m% |, G7 }3 X
- arg.e2prom_cmd_data = buf;
9 n3 `0 `' ]! j# @$ a( i - ret = ioctl(fd, E2PROM_CMD_READ, &arg);$ g, z' B; V/ ]: _# g% g
- if (ret != 0) {2 V8 x; N( ^1 d6 `2 N. o* m, e2 ^* o9 f
- printf("Device %s read error.\n", E2PROM_DEVICE);
! h1 P; s7 ?- d9 k. K - return -1;
l; u+ ?: V# L7 L0 U, ?1 l( { - }
: l1 W; y6 z) M& G - memcpy(mac, buf, 6);
* Q7 z6 P: z6 x+ n2 ]# D' D- k9 \ - memcpy(stbid, &buf[6], 18);
5 |6 l, _: s& y: B- h6 P - stbid[18] = '\0';4 q, J! f! c: O
8 F. S: R/ \0 G$ v0 }- return 0;+ \7 z0 p1 I. c, s9 X. ?" \
- }& {# h$ c' w2 f( v5 O; N( q5 K; ?
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
4 B( N. x3 R! T: r7 R) P, | - {: ]) i* _/ q- f! ]; {
- int fd, ret;
" [5 X& k; d$ D5 j2 j: w" K Q - e2prom_s_cmd arg;) h! M% ~! D" h
- unsigned char buf[0x18];
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! [6 e% M# J+ n s- memcpy(buf, mac, 6);
9 T0 f J S, b n1 r1 ?$ A5 |& j( p - memcpy(&buf[6], stbid, 18);
3 _$ H Y# k! J - fd = open(E2PROM_DEVICE, O_RDWR);
) x, T5 r! |& s3 Y% L* M+ C - if (fd < 0) {
/ N5 B9 D0 Q# N2 i3 b - printf("Device %s open error.\n", E2PROM_DEVICE);/ |8 U b& G* S& d; I1 l8 d, g1 ]
- return -1;3 [$ A( t8 A. v# y9 w; B5 V- y6 M I
- }; k! R! k w. N8 M Q
- arg.sub_addr_count = 2;3 v) C) c2 G [! F# Q) `
- arg.data_count = 0x18;
; r' e" [6 w7 _8 k# [7 A - arg.e2prom_cmd_sub_addr = 0x290;8 Y8 Y3 M. ~2 r2 q
- arg.e2prom_cmd_data = buf;
b- m9 E% Q& I. ?/ t- o' j+ p - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
" I* d/ Z! r; ^5 A0 x, S" a: } - if (ret != 0) {" I' T$ K$ K% ?' z/ t. [! G
- printf("Device %s write error.\n", E2PROM_DEVICE);3 |9 u# o& F |# N1 T% h2 E: S
- return -1;
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- " o* y$ h1 }5 E7 U4 h
- return 0;
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- * f, p" [: _5 w
- int main()
0 m. \: ?8 { i- X1 y - {5 M6 b6 b7 J _# {6 J9 m
- char c;
8 q7 ?+ l9 {4 z+ v/ Q }8 U2 l - int i, macs[6];
; f0 y) i, [1 |& m - unsigned char mac[6]; r6 R9 e! I0 A' a/ a: X
- unsigned char stbid[256];% |* ~. m6 {- X% [* @' P/ l. \! r5 w
- 4 o, t/ r& I. R9 S! d
- if (readparam(mac, stbid) < 0)
# y4 F/ H( P! s - return 1;; |/ r3 q' w4 k+ f
- " S" k- L) u5 D0 t
- printf("Current parameters: \n");
6 r+ y7 r# w3 ?* `9 j8 X - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
6 ^# @( K. r* D - printf(" STBID: %s\n", stbid); t5 Q/ m7 `) G& W* T
- 3 Q# k f' r e+ i
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");0 r/ o3 r7 J$ R2 n/ ]
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
/ S Z, m& d# z6 @ - printf("Input MAC error\n");
" J t, Z1 j/ i' w, W - return 1;
5 b9 d8 k( b9 _$ c; E w. F' Y% _ - }, \8 q& \; u5 e% T/ s: Y& l
- for (i=0; i<6; i++)mac[i] = macs[i];
- d4 f/ A: O# {1 C. t5 W - printf("\nPlease input new STBID: ");( V' O+ \2 L; y
- scanf("%s", stbid);* [, U0 a* m7 C9 ?+ q" E
- if (strlen(stbid) != 18) {, n) A7 C% J6 P# r+ i' W
- printf("Invalid stbid\n");
9 c6 \5 b+ Z; X8 f. g - return 1;
3 N' g# x1 e1 ^5 x* O& N0 Q) k - }, U; U Q/ @1 w7 Q0 v( t
- printf("\nNew parameters: \n");
/ f: E- Y6 k; n; k - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+ Q3 Y8 c. Z2 F8 P" F- B" g - printf(" STBID: %s\n", stbid);
* b0 p5 L' V6 b' ^4 Y
5 A, `6 l! a$ f) i! g0 }- printf("\nDo you want to change paramemters? (y/N) ");* G& d/ J, b5 a0 z( R
- for (;;) {
: l5 H5 S2 Y( [' e - c = getchar();
M1 S$ L0 y- G c, g R - if (c == 'y' || c == 'Y')! l/ @; [( E2 S; `2 W
- break;
/ ^9 S, J1 j( ]- p" E - if (c == 'n' || c == 'N') {
; _0 W2 L+ o& d5 @) a$ X - printf("\nAborted.\n");$ w& o6 E' e* ^1 n+ w5 F
- return 1;9 P+ J2 _1 h" n' F( j
- }
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- if (writeparam(mac, stbid) == 0) 5 H) B5 A$ M6 A& Y. l9 R
- printf("Parameters changed.\n");) k) q- I' w( c$ |) l9 L& I0 |: Z0 U; a
8 v3 X; b2 }0 J' `' m5 c- return 0;
- L. e0 ]( B3 {7 }: Y6 t - }
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