本帖最后由 0522 于 2012-3-21 23:04 编辑 B! H" z* ^' S( b0 o! q; @
6 g2 `8 x s2 R5 X# V* A7 Z* \/ k修改的代码早有了。到今天不会编译。
/ v- I- t( F1 n q1 x$ b需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>( r! h7 F7 G+ ~1 }/ j
- #include <malloc.h>+ t6 G7 \' x# ~+ Q! k: W+ X
- #include <sys/types.h>
; A9 Z9 @& X. I0 z8 x- R - #include <sys/stat.h>: A( [. X! l$ n
- #include <sys/ioctl.h>
6 ~6 R: R& U. N% W: g - #include <stdio.h>
3 ^, m- [: }' X/ k, h! V - #include <string.h>& D7 c) E( l) Y2 g) W) A
- : S6 B' u( O( N/ x5 s# O' e0 `
- typedef struct {7 W- g3 g2 R" P) c& I* f4 W
- unsigned int e2prom_cmd_sub_addr;
' K: I" O* n) R4 e - unsigned int sub_addr_count;$ x) k4 f+ a5 S+ J
- unsigned char* e2prom_cmd_data;
' O" c. ?; E) G" A - unsigned int data_count;
& m) ?& X- X% G# d& z - } e2prom_s_cmd;
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. e; | M# b3 U- #define E2PROM_CMD_READ 1
& T) D1 Z$ N/ X6 G; d% X - #define E2PROM_CMD_WRITE 28 ^1 ~2 y; E. w. g
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"* D9 y( f' j4 y$ G9 ^: L0 N
/ C7 h1 W3 { m) }- static int readparam(unsigned char *mac, unsigned char *stbid)
" {6 i' O; @9 x0 R: v7 ^0 l% o8 a - {
, W3 [1 R$ L9 a+ O% _4 C - int fd, ret;
0 U8 S% p& Q# `/ ~" e, } - e2prom_s_cmd arg;
3 @4 {5 Y& M! Q/ U - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
: [; Z. T% e* J& O - if (fd < 0) {
$ }6 }5 _/ o% U* l - printf("Device %s open error.\n", E2PROM_DEVICE);& p9 H; I! Q7 k. c C$ C# u) J
- return -1;
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- arg.sub_addr_count = 2;; p+ S! p- E9 r5 A/ I: R5 K
- arg.data_count = 0x18;/ U' ]* D1 g4 Z) U& G
- arg.e2prom_cmd_sub_addr = 0x290;, u) B. v, s% e5 R
- arg.e2prom_cmd_data = buf;5 k7 _% X3 w) l* a3 P3 q
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);0 C! d. k$ G# F4 ?0 V
- if (ret != 0) {; T$ d' i. _2 ^( o" L
- printf("Device %s read error.\n", E2PROM_DEVICE);4 I9 g- u' H2 {% O* U8 m
- return -1;% e0 g2 |0 I. s" P
- }
/ Z6 r& I, V1 |' S- U) d - memcpy(mac, buf, 6);
" k N3 C8 X( h6 d8 z - memcpy(stbid, &buf[6], 18);# {) f6 a! B: S$ }4 H9 }2 P
- stbid[18] = '\0';6 K: h) `& {$ U0 S: t" `
- 2 u+ z5 h$ R2 D, E
- return 0;
' l" w0 s( o! E8 A% v& r @- ?8 g - }
' d) }6 `+ h9 X; K, M! D7 t/ _) _
U) g. d3 v: {- static int writeparam(unsigned char *mac, unsigned char *stbid)
( d! _" [* @0 w/ b2 V7 o; t - {
) l" N) u0 x! U! d - int fd, ret;
- w2 b% j& Q% V) w$ l2 { - e2prom_s_cmd arg;" V! Z X# T7 [7 l
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);) h: @2 @7 a3 ^3 F3 s
- memcpy(&buf[6], stbid, 18);# d9 J$ W2 Y* f* b1 s- o1 Z
- fd = open(E2PROM_DEVICE, O_RDWR);% g% j2 T- l4 }4 C4 x A$ Y
- if (fd < 0) {: c$ k& D; G, K, p( p* \4 Z' ^# q
- printf("Device %s open error.\n", E2PROM_DEVICE);
' y. h L$ |. @- q+ E - return -1;7 q8 |+ S- B r" _. t* n4 D% H
- }7 `; L( a2 T9 M
- arg.sub_addr_count = 2;: b! U' z* O4 ]2 I+ V
- arg.data_count = 0x18;2 F6 B9 I. J. d2 n
- arg.e2prom_cmd_sub_addr = 0x290;
8 b3 _7 f; u2 [5 }( a, L8 z - arg.e2prom_cmd_data = buf;8 P9 W7 M7 s! C# @
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);8 s' | u3 u0 G9 J
- if (ret != 0) {
4 j! {# G3 F5 x8 A, M - printf("Device %s write error.\n", E2PROM_DEVICE);7 o4 Q m, b% ]# e% u. p; {+ O
- return -1;
3 {, `, t% d0 w/ v$ ]3 X5 h2 k8 o# ? - }* z6 [) ]% N5 {4 ]5 s4 `1 G% ~
- # D& n9 c1 S/ Q5 m L
- return 0;
# j. ^0 U' \$ i {& ~5 R - }
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. P7 D3 i" G& x+ u! w" ]- int main()- [/ H, s u c0 p8 [: a
- {
7 q% s7 z' }; o# j3 G. |+ J& z - char c;& L6 f/ L7 O6 I2 P: A6 o
- int i, macs[6];
K$ Z" s" K/ o' q& g2 A) y - unsigned char mac[6];
; s. U$ A% a7 w6 Y$ P1 D8 O5 ? - unsigned char stbid[256];
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0 f _- w: w$ t- L; P7 L- \7 q- if (readparam(mac, stbid) < 0)
8 v4 _% y! p7 s6 O - return 1;
$ S4 Y% N1 O8 {6 f
# h3 J f1 Q2 I7 I5 M7 B5 j- printf("Current parameters: \n");& E: J2 @* m# A
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);& |0 o3 S$ W3 I/ V) |. D& F- G
- printf(" STBID: %s\n", stbid);# E/ W4 Y& q9 R/ X8 O8 U" H) V0 b
-
7 ?/ S) |. k( a$ W4 B) o - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");5 A% s; z) M/ o7 D0 q5 n
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {" G: T8 J& k$ V' i; v1 L
- printf("Input MAC error\n");
8 E3 G3 I, c8 P - return 1;
, W: m' K6 Z# A5 ~) _ - }
- W; _0 H. B3 a1 g, b+ i - for (i=0; i<6; i++)mac[i] = macs[i];# h& Y1 e; m e2 F! S$ r
- printf("\nPlease input new STBID: ");
2 H: w# X9 `6 o7 q. A4 m - scanf("%s", stbid);7 `4 \$ E; L% c: }& L0 {
- if (strlen(stbid) != 18) {
/ j6 v2 M% T- i - printf("Invalid stbid\n");
4 v G1 T3 W& p ? - return 1;
9 U( n% p$ Y' B$ o- X6 h - }& s3 @1 N! u* w
- printf("\nNew parameters: \n");' p, K" L$ `) {0 f. m
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
* N- E$ t/ Z* d' B X - printf(" STBID: %s\n", stbid);' C. T/ s! s' M* J4 l
8 d- \! o$ j4 o R9 B( Y- printf("\nDo you want to change paramemters? (y/N) ");1 `7 Z4 Z3 b6 F# {
- for (;;) {; c) e7 K0 c/ x( f" {) [) n
- c = getchar();
& i s+ i# T1 @4 W4 Y9 t - if (c == 'y' || c == 'Y')% v/ ?1 f E; A! j* r3 H' G
- break;
, F2 w! R, p) I' {, N; ] - if (c == 'n' || c == 'N') {8 z0 C; t1 J \2 B' c
- printf("\nAborted.\n");
9 }, M. K! Z; h7 w! F$ [3 A - return 1;& A1 n1 \2 {8 I1 v; v
- }' C/ x$ f6 k! G5 N, x* t0 `
- }& t1 y! z' ]8 O9 k
- if (writeparam(mac, stbid) == 0)
& ?1 W$ k; T$ D2 m - printf("Parameters changed.\n");9 \: q% Y- e U3 C
- % H( ]. L, s6 U- X& ]
- return 0;: E. Y6 F- l9 ^6 Z+ y; b6 I
- }
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