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。
8 k! m6 v: T: [1 J& }需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>8 _# e& A8 H8 Y
- #include <malloc.h>6 [* l0 {% t/ `- w- ]/ R
- #include <sys/types.h>2 n/ v0 e! n8 E, o# `% r
- #include <sys/stat.h>' e8 k, ~: a2 R4 [ l4 Y
- #include <sys/ioctl.h>' B; G; d. z8 u1 ]* K
- #include <stdio.h>: ~/ n. Y: Q& G0 g. \& L2 D) ^0 C
- #include <string.h>
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% o7 p7 b2 G7 O) i- typedef struct {3 m! U# j. H' X' _* S0 [; v
- unsigned int e2prom_cmd_sub_addr;
) O( x0 ~' N9 m5 O - unsigned int sub_addr_count;
" j$ E/ B# G1 v- b8 Z: R: F - unsigned char* e2prom_cmd_data; l1 G7 q3 h2 [) r0 r7 ?
- unsigned int data_count;
# a& S" J3 [& | - } e2prom_s_cmd;) m* J+ ?% K- S I' x% u5 R
5 e2 O4 t4 u& t- #define E2PROM_CMD_READ 1* W# U) H) l/ w9 T& g
- #define E2PROM_CMD_WRITE 2
8 R2 {# x! S& F8 I3 u+ x7 u - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
3 B7 E9 ?& ]: }# q" ? - {
4 ]5 o, \3 Q/ |& H) U& e - int fd, ret;
! X/ Y+ ~& {* H% |8 B - e2prom_s_cmd arg;
7 V6 a6 S- K v' I - unsigned char buf[0x18];0 J' o# n0 l; H" u6 _9 J8 a* [
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- fd = open(E2PROM_DEVICE, O_RDWR);
( k8 g6 d% w" p' H! s. A - if (fd < 0) {
# t/ E w7 V; N" l - printf("Device %s open error.\n", E2PROM_DEVICE);0 q$ x2 ^! [* }! I
- return -1;
( n+ `5 J1 j- _/ @ - }
0 ?: s1 w0 \; A/ N! A9 r - arg.sub_addr_count = 2;1 }$ n- N' Z6 x3 W4 B
- arg.data_count = 0x18;* L" z# S! k* f/ M
- arg.e2prom_cmd_sub_addr = 0x290;8 C' }: m/ S8 l3 S3 n
- arg.e2prom_cmd_data = buf;& d+ N) ~, T4 U: `5 o9 v% F) r2 U
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);: f6 \1 C* W3 o: W9 M: V0 L
- if (ret != 0) {8 w7 m7 D4 ]" L% Y/ u4 w! v! R
- printf("Device %s read error.\n", E2PROM_DEVICE);
6 }2 Z* x# x2 T( x1 A. ?' j- r - return -1;
/ P$ ^8 x' e# g w" w) D - }
, N6 ^) v5 x1 \4 ~ - memcpy(mac, buf, 6);8 w- T8 ?+ E. K* ~, R. w" i8 S+ N
- memcpy(stbid, &buf[6], 18);
! l2 m" \4 g/ `# W& M; z - stbid[18] = '\0';2 @0 A: a' u" F0 l c% L
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- return 0;
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! y. U' j2 p1 Q ]# x) T- static int writeparam(unsigned char *mac, unsigned char *stbid)5 J7 f( r6 x' S3 Q- [& Q' l$ {6 s7 V
- {
. q* I: s1 V( _0 a4 `3 M" Q - int fd, ret;
4 I [% k/ Z& _/ D - e2prom_s_cmd arg;
. r1 [! }! ^6 d6 ]9 m - unsigned char buf[0x18];
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& {3 b5 {' a& B* u4 v+ d- memcpy(buf, mac, 6);+ P J! i: I: e
- memcpy(&buf[6], stbid, 18);" X# X" K$ C: h( F
- fd = open(E2PROM_DEVICE, O_RDWR);
6 Z1 T. T; d/ w4 s) k) H, k; d - if (fd < 0) {$ l- |5 I$ p3 |# ], R; n, |
- printf("Device %s open error.\n", E2PROM_DEVICE);: Q) ~& S K/ x* t
- return -1;- W2 \ Q, }1 o8 m' P/ D& z
- }
N6 t- _3 C6 Q( I - arg.sub_addr_count = 2;
- a6 s: e7 g9 d1 I% \* \ - arg.data_count = 0x18;
1 F5 q6 o( h2 z0 n( H$ M2 N+ h9 u: r' u - arg.e2prom_cmd_sub_addr = 0x290;4 C% C/ P) s6 o# W; s7 R# C
- arg.e2prom_cmd_data = buf;( n* s8 O* u2 ^' B
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);& D U2 {9 o8 F* S* w
- if (ret != 0) {& a2 Z# P. K! l8 @$ `
- printf("Device %s write error.\n", E2PROM_DEVICE);8 [7 p3 D. K; Y, W! @3 p
- return -1;
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- return 0;, D \( e3 ]: `5 X; L- ^: f1 b
- }
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/ d" y# L7 u. ^$ `) |7 K" S6 ]- int main()
0 o/ Q7 ]2 q7 v, Q: H - {
8 t) x& _ s; d3 R5 H& K - char c;
% u* S. u4 a) k& k2 I - int i, macs[6];4 @, l/ a' K/ }/ c
- unsigned char mac[6];
w, L* i) l+ q - unsigned char stbid[256];; E- R2 @4 Z# T/ w+ h; |
8 V; s6 q" @8 Z- if (readparam(mac, stbid) < 0); a9 g+ V% `- i9 A7 v6 g( ?' q: w- s
- return 1;
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- printf("Current parameters: \n");, U* H: j5 ~8 }* S, L0 M
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);3 ?9 n1 C$ N% n; I! V) g
- printf(" STBID: %s\n", stbid);
: ^ b2 t" D- `7 [) f/ Q -
6 p, q8 f( ?% q" U5 s7 [ - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
: B$ ~9 W( T& J9 I& o5 w - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {4 r, k, q! H" ~* }" I
- printf("Input MAC error\n");
" m# _4 r0 w) @9 ~. u. P. j - return 1;) f7 h9 E( T0 t, ?9 U
- }) G2 n* w5 @' y$ T0 t5 @; D$ `- W
- for (i=0; i<6; i++)mac[i] = macs[i];
3 ] Y4 @9 h: s Q! k; k! j - printf("\nPlease input new STBID: ");# a( B: Y1 N$ Z d
- scanf("%s", stbid);& O; b9 b/ G- P! I6 M
- if (strlen(stbid) != 18) {
, u6 e# H l6 ~( ]4 T( ] - printf("Invalid stbid\n");6 |- |/ h4 W4 `( [; a
- return 1;
& c9 |" ` z- k" { - }
' o& D* V! r7 \7 d - printf("\nNew parameters: \n"); a, S# w8 G5 n+ o& r! H& J
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
. T# j# W1 z0 [: ~3 n - printf(" STBID: %s\n", stbid);' t' N0 O$ y5 W4 [
- ! Y# s" m" h' ?$ p+ b; c2 [& y
- printf("\nDo you want to change paramemters? (y/N) ");& Z1 a% {+ J( _
- for (;;) {
6 }( b- w# c8 f" [0 m$ Z2 \ - c = getchar();
! ?$ I% F" e$ w9 D - if (c == 'y' || c == 'Y')) w9 C% h8 A# |2 X
- break;
6 y# X8 } x9 i. m7 @3 K! c. r - if (c == 'n' || c == 'N') {
! n% }1 k2 g' Z9 {- c7 c - printf("\nAborted.\n");$ F& }5 f, L( X7 H' U! t" b$ P. ?
- return 1;* Y8 T- c; q& O2 O. n
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- }
) K$ Z& Q, o2 m) T1 W - if (writeparam(mac, stbid) == 0)
9 Z8 ~" r8 o! E% F: j+ s3 _ - printf("Parameters changed.\n");% e8 |2 F* c2 A$ p+ t) a* l
, ^2 M4 G/ `, w6 ]- return 0;6 W+ g- r: G# O* V
- }
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