本帖最后由 0522 于 2012-3-21 23:04 编辑
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% P0 d, [$ |, `3 K! A7 {修改的代码早有了。到今天不会编译。
# V7 K/ V) N+ D+ H需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>. R& Y5 X# w- y. v
- #include <malloc.h>0 j# R$ F( z0 \) @
- #include <sys/types.h>
0 S) H i3 z+ q4 L - #include <sys/stat.h>
. |2 {; i* P1 c; H - #include <sys/ioctl.h>9 y% C+ h7 ^* E1 a4 z7 R+ U
- #include <stdio.h>
, p9 |! G5 _% j& d' L - #include <string.h>; r& `/ p& j5 C$ V9 Z5 H
: x6 G/ O7 p- O6 @- d( `- typedef struct {
& J6 u1 \4 {0 d* n8 z/ X! U4 a' M - unsigned int e2prom_cmd_sub_addr;
! l' d, p9 A! g- S' e* b% Y - unsigned int sub_addr_count;
4 H; M" C' @: k. n$ D - unsigned char* e2prom_cmd_data;
$ |9 o+ V& L: z2 F4 j - unsigned int data_count;
5 R- {' h/ `6 c: h - } e2prom_s_cmd;4 u8 l I' w; f5 c' B
- $ M8 ]. b8 T1 ^+ Z) X
- #define E2PROM_CMD_READ 1) }2 H1 B! R$ z/ s$ p0 c' n+ j
- #define E2PROM_CMD_WRITE 2+ `4 |6 r2 E; X# \: [ P% Z
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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4 V- J& B+ E; }# G0 f' o- static int readparam(unsigned char *mac, unsigned char *stbid)# E( R; u8 o' L+ `* y( f/ ^
- {
3 {$ k0 U0 c5 ~% e9 ?; [! u1 F - int fd, ret;
* ~) P- E' E5 Y/ i - e2prom_s_cmd arg;
3 \7 j" ^; u- M5 t& P# y3 b; v - unsigned char buf[0x18];* z) {# O; B$ c3 P" D4 p
1 m4 u2 @0 E5 O- fd = open(E2PROM_DEVICE, O_RDWR);0 ], p* c: B/ r- }
- if (fd < 0) {
( |4 O! x) j5 k- O/ Q. }4 _ - printf("Device %s open error.\n", E2PROM_DEVICE);
6 R* \$ z0 ]! a4 i1 w - return -1;
2 D2 d, q# V* W2 ?/ ^' e- |. |5 Z - }
. Z2 V) Y$ M [$ ~, U( | - arg.sub_addr_count = 2;; Q: i7 m$ ^8 M& Q: v
- arg.data_count = 0x18;
- A4 `5 {2 G; G5 x5 T - arg.e2prom_cmd_sub_addr = 0x290;
$ Y1 k/ g# g4 u# S4 {7 T& y: h - arg.e2prom_cmd_data = buf;* p6 M2 g ?3 h% J. I5 v! O8 u, n8 n' ]
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);( \& G: R! ]) V/ [* ]6 \
- if (ret != 0) {$ E% r% q! w& r" ] N; j1 F2 A
- printf("Device %s read error.\n", E2PROM_DEVICE);/ }1 z: H# M' c/ N( ^( P
- return -1;
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- memcpy(mac, buf, 6);* h7 n/ {2 `& \
- memcpy(stbid, &buf[6], 18);* v2 i0 q5 y; S3 Y( b y) E
- stbid[18] = '\0';
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. l# g) |+ i$ |1 @- return 0;
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) \$ Y2 I" ` r% _/ Q6 M& y9 K) f- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
$ b# L2 v) k6 y: p0 M2 I+ M - e2prom_s_cmd arg;1 r1 x- v y$ G9 l) R
- unsigned char buf[0x18];3 S6 C1 u0 b8 Z. K
' b) \5 Q, a* V$ o. ?- memcpy(buf, mac, 6);
9 T0 E1 c" [8 [ - memcpy(&buf[6], stbid, 18);
1 w' N9 k* H% l. E) K$ N - fd = open(E2PROM_DEVICE, O_RDWR);
9 g% X$ m( x3 Y1 N - if (fd < 0) {
% k* w9 ^+ u1 x9 C: \7 F% H" N - printf("Device %s open error.\n", E2PROM_DEVICE); V$ T/ L+ _* k, D2 ~
- return -1;9 N' h( {2 c/ ~) _* ~% k& @
- }
$ S$ q! r8 @$ x0 J: { - arg.sub_addr_count = 2;. w' d% c5 k2 g8 H T
- arg.data_count = 0x18;
! A5 i+ P; Y* i9 S4 }) J; w - arg.e2prom_cmd_sub_addr = 0x290;
/ v% b4 A/ P; E8 ?4 g$ w - arg.e2prom_cmd_data = buf;
) H/ A; n' \% [! @) k - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
* R) G4 m2 G! W$ L2 r4 _ - if (ret != 0) {
) Y. V( c7 b# v5 b9 Y) Q5 w; } - printf("Device %s write error.\n", E2PROM_DEVICE);
, f$ @" }8 F3 h# U& e/ w/ \ - return -1;: E8 n# X" D/ m$ Q6 m: g# C) }
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! \9 ?% G3 t& G: v# y- return 0;- D' X( | @2 k1 d- V5 T- U
- }
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- int main()
5 M( D7 } l! \$ j! ~/ j - {
" }3 M& j4 e5 e, [7 r - char c;5 D) _2 x) T; A+ x4 A, I9 d5 m
- int i, macs[6];0 ?- y5 a3 O" X, t+ I& D2 H6 M5 M+ }
- unsigned char mac[6];& }" ]8 V" {! y, n
- unsigned char stbid[256];( S4 i O. ?' N* f
7 [! Y5 H5 h' S9 n; u) ^9 R- if (readparam(mac, stbid) < 0)" P+ J4 C+ p L6 V- G0 q f; P
- return 1;- b, @8 d& I8 x6 X* l+ ~
9 E4 C& N* }% L7 X6 I* C. T- printf("Current parameters: \n");& Y+ A/ T) j$ E5 R
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
& w7 k8 n. }' M5 {1 C( C - printf(" STBID: %s\n", stbid); E; L) ^' C) w! C+ k' X
- 6 E3 n" _" `" P6 b% g- ?
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
6 h ?% _7 D1 [$ d# h# g - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
, p/ ?5 D; N* h! I - printf("Input MAC error\n");& v0 {9 w. P& d) \. Z) W5 d7 F) Q
- return 1;( N' l }6 n. o0 t
- }6 G# o# q# l% C$ W q. s4 X
- for (i=0; i<6; i++)mac[i] = macs[i];7 _; j' v3 P" ^* O" X, m
- printf("\nPlease input new STBID: ");
0 D/ a3 m0 r* n" K' e- y# l - scanf("%s", stbid);' X9 Y! a3 |& Q- E7 [1 W b: g3 `
- if (strlen(stbid) != 18) {! o( H, X% a) M% S' C: ~+ A/ J
- printf("Invalid stbid\n");
4 d9 I j; [2 R' ?. O( d) F5 n - return 1;
( D: f5 o- Y/ M8 T( b: `) e/ J - }
9 X5 x2 n/ R0 k$ f: A7 \) ?7 s - printf("\nNew parameters: \n");
8 l/ S" n6 K8 V: V - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);7 \1 s8 \8 H" p
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
! Y* a2 {8 ]2 F* f5 P* E - for (;;) {/ ~+ m. Y) N$ o; j
- c = getchar();9 a4 q2 j, Y I& q' E8 _0 o* z
- if (c == 'y' || c == 'Y')! t- r9 {+ I5 n- ]- {) E2 q: | N
- break; _7 D: k+ G" l8 U$ S2 i5 @+ F! N' i
- if (c == 'n' || c == 'N') {
9 X6 x% h* ^: F/ p) K! @5 V - printf("\nAborted.\n");
! q% L: P: R& N# W* w - return 1; W/ I# j' d/ n- x$ E3 L
- }
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- if (writeparam(mac, stbid) == 0)
. u9 r4 r5 |/ U5 d$ ^9 r$ n - printf("Parameters changed.\n");
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- return 0;
+ Y/ n7 X; S4 y% \6 M9 j# _. K/ \ - }
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