本帖最后由 0522 于 2012-3-21 23:04 编辑
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) Q" p7 U4 W3 ?! A修改的代码早有了。到今天不会编译。! W T8 S1 L# N4 E" d+ ]
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
8 S3 `% F' k, _0 [* I - #include <malloc.h>6 I2 ~ e8 D/ N
- #include <sys/types.h>6 c2 R! O' B: |1 N: r K
- #include <sys/stat.h>
0 [- b" c! r- T# X - #include <sys/ioctl.h>
5 n$ ?+ C) k' z) c) D& L+ m* ` - #include <stdio.h>
5 \6 S9 g4 O. q; c3 _+ y - #include <string.h>+ E2 q% A. Q9 Z( ?
1 j8 m; h, U* N+ K* n* [5 y: c" o- typedef struct {. O- z3 f( ^/ V. m: F
- unsigned int e2prom_cmd_sub_addr;, k6 f# r+ [7 l4 g" X5 n
- unsigned int sub_addr_count;
# s. |& y. ^! n. r$ q - unsigned char* e2prom_cmd_data;
, t- w3 F& X9 d$ o5 K% ` - unsigned int data_count;
1 D* b# G% r0 h6 F( d1 p1 _3 u - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1" D! ]2 {7 g" n. p
- #define E2PROM_CMD_WRITE 28 }# G9 A s2 E
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
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% [& B( e1 W% O; T( ]! w9 q - int fd, ret;& |. {, Z2 J1 ^+ ?
- e2prom_s_cmd arg;
4 p- u) _& z9 O$ F3 [9 B$ H9 e3 {! P - unsigned char buf[0x18];. W4 A- o# W$ |! e, V
- % k( ?" ^ o& `
- fd = open(E2PROM_DEVICE, O_RDWR);' }1 P& w0 m* O, R
- if (fd < 0) {: f: O1 I, Z5 I; T5 Z D6 A' a4 ? ~
- printf("Device %s open error.\n", E2PROM_DEVICE);2 Z! I. \ E( p4 s+ t9 g4 p7 W- M5 Y
- return -1;: Y% A" r3 P5 w* A5 {; F4 D7 Q y, z
- }
5 p, {6 K# m+ G, ? - arg.sub_addr_count = 2;
5 \: M% n& Z* C( s - arg.data_count = 0x18;, ?9 h. Q, i6 D, X0 p2 [5 n
- arg.e2prom_cmd_sub_addr = 0x290;
( Y s( g5 B- e* A6 a- S$ J - arg.e2prom_cmd_data = buf;6 J8 }7 B1 e' r2 |* \! N# e2 C
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);: }7 I/ V$ t" Y
- if (ret != 0) {
) t! s4 i3 Y. ?1 T9 ?2 Z; Z: R - printf("Device %s read error.\n", E2PROM_DEVICE);4 R9 X1 p8 c6 g C4 v
- return -1;% h! W) ^+ ^* Y/ X* V5 X5 l+ N
- }2 Z& M. v5 t! \4 b9 v2 U7 f7 N* R! |
- memcpy(mac, buf, 6);+ n$ `* s! t3 }6 V6 e7 F" }
- memcpy(stbid, &buf[6], 18);# ]7 V( |5 W9 P3 J! T; B
- stbid[18] = '\0';. V2 x! w6 ~) y; r3 k8 D3 i3 z
4 g' _7 M' r, n8 Q4 f; B- return 0;
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- static int writeparam(unsigned char *mac, unsigned char *stbid)- t6 W5 E7 F& x" H$ ~% v
- {
8 e+ j3 ?# w" f7 }) } - int fd, ret;
, }' l1 Q. e. [6 B - e2prom_s_cmd arg;! ]1 k2 F' v. H$ |/ W
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);. c. L) a/ B- H
- memcpy(&buf[6], stbid, 18);/ l9 A0 b2 O+ Z# y
- fd = open(E2PROM_DEVICE, O_RDWR);0 ^# y: Z' z7 s9 b" {: r4 M( R Z _
- if (fd < 0) {. \1 D2 c& ]2 q: f
- printf("Device %s open error.\n", E2PROM_DEVICE);1 o1 d2 [/ h7 c2 e1 p
- return -1;, B/ ~" m/ P) j! @2 A' A) W( |
- }
# z2 Y9 I! o. j9 S9 W9 s - arg.sub_addr_count = 2;
) R5 [: ]. r: H9 y! T' D - arg.data_count = 0x18;
: p8 v* ~0 d) t: Y, n. ?( f - arg.e2prom_cmd_sub_addr = 0x290;' c" _% R) J& k2 N. g
- arg.e2prom_cmd_data = buf;
" \6 N, h8 @" K9 v - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);# @' i8 D/ k) d t: B X
- if (ret != 0) {% R6 ?- q7 R, \) Z8 r9 m5 o
- printf("Device %s write error.\n", E2PROM_DEVICE);
+ ^8 k, ]( I7 S1 E/ ]! ~# H' W+ M - return -1;. h2 H( U1 z* B5 \$ Q( P
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- return 0;1 L4 q( E9 e, O7 f5 t, E4 s" U, {
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- 8 l& x% W* j) D7 S& \8 s
- int main()* B" Y" D) j+ R* O2 t. v
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- char c;0 {/ u9 m6 e2 o+ |
- int i, macs[6];3 \8 V2 C: ?, U. q9 S
- unsigned char mac[6];
: e; R. W* ^: w0 T: n8 @' [ - unsigned char stbid[256];9 L! n& i. E6 o3 C9 o' u& ?: M; Q( }
- 6 J5 B$ j! {7 L1 j3 o
- if (readparam(mac, stbid) < 0)
3 z$ o! ?9 R8 J! D8 v$ M# [ - return 1;
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( R; L e! q' u, i5 i( l- printf("Current parameters: \n");, k9 q" p0 [2 N1 y
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);! e) G m; }, m& o/ |' E0 w
- printf(" STBID: %s\n", stbid);
7 [( w9 L' }% i# Y2 r -
L% |% D8 O) i - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
* F; b$ v# z7 G5 O- b0 l - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
& p+ w3 U5 V* g - printf("Input MAC error\n");
$ d1 g; n4 L& G; E/ O - return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];1 [' N6 _8 e# Q; l4 e" `
- printf("\nPlease input new STBID: ");
: o. f* @" W/ r+ w0 X4 K1 c& a, x - scanf("%s", stbid);
! Q4 o( b6 B3 a2 @4 [( W8 S - if (strlen(stbid) != 18) {
8 S1 S! _% b; p# _1 j - printf("Invalid stbid\n");
' f7 e- w$ d0 C! T4 M - return 1;/ k8 ~2 Z* N# f: {. T9 X
- }& T( E/ a6 X; Q
- printf("\nNew parameters: \n");, j" m# J" L, e& c
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
) n3 t/ B0 l$ B - printf(" STBID: %s\n", stbid);
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( K# C9 H7 k* W5 E* p- printf("\nDo you want to change paramemters? (y/N) ");
( t. {0 ~. k+ j+ o: b1 Q - for (;;) {7 w9 H; @5 c5 J; N$ T
- c = getchar();
3 C. W: y5 ^! a8 g - if (c == 'y' || c == 'Y')$ f3 T3 g. P7 @4 J% Y) E1 `% p
- break;; w+ p. n# d& Z
- if (c == 'n' || c == 'N') {2 B* x/ R* y1 v1 O1 S1 L* ~
- printf("\nAborted.\n");0 f1 o5 L0 l. g: a
- return 1;
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- }& s/ \. _8 X* T/ M: Z
- if (writeparam(mac, stbid) == 0)
6 \( u/ H4 D( ^3 S- A$ e - printf("Parameters changed.\n");
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( P# i4 i* n9 }; e- y1 D- return 0;$ H$ L' u6 f8 {. f7 D
- }
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