本帖最后由 0522 于 2012-3-21 23:04 编辑 4 { R2 Y* b4 S3 `& G- E
1 d e1 i4 h# |/ Y修改的代码早有了。到今天不会编译。4 `1 b1 [7 U8 V
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
9 r) X+ r8 Y/ z0 t0 C* R - #include <malloc.h>' k3 {# B3 `/ ^. _$ D# l
- #include <sys/types.h>" b* y- r2 F) P& o$ J: f3 k
- #include <sys/stat.h>
/ D# p- |9 a( E, z+ Z/ | - #include <sys/ioctl.h>9 m8 b# D. N+ j4 e# W& O8 P
- #include <stdio.h>2 {" K7 V8 T' c
- #include <string.h>
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" f/ ?7 I8 V9 E E# P- typedef struct {0 e! N, l7 D' S. o" h8 b- K$ u. z
- unsigned int e2prom_cmd_sub_addr;
* \2 R0 i" X9 y+ b4 \ - unsigned int sub_addr_count;
( a. M; R" W4 E+ t, T+ S h! Y - unsigned char* e2prom_cmd_data;0 ?, v+ v, Y( l; r6 _ \
- unsigned int data_count;. d) a! q' E* g5 i
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1
/ U1 ?$ b& g! i - #define E2PROM_CMD_WRITE 2# K f' k3 \1 A! o2 l
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"; E) `) Z1 A! k0 b6 P# a- W' t
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- static int readparam(unsigned char *mac, unsigned char *stbid)4 N# Q+ E" ^; L! j+ T& ]' S9 S- z
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- int fd, ret;
( ?, F" @9 k. f( u5 o4 ]' z; h. k - e2prom_s_cmd arg;, [. j3 Q' B7 w2 L$ M/ [$ r
- unsigned char buf[0x18]; k/ Y% m [5 T9 M" W1 w) l2 a
- ( p' I1 K( K) |$ t& ?; Z9 i* e8 K
- fd = open(E2PROM_DEVICE, O_RDWR);+ e' o- k, _, b8 b% g; e
- if (fd < 0) {4 [4 k' k. e. s- m( ]: s1 [8 @
- printf("Device %s open error.\n", E2PROM_DEVICE);
+ h% H% r, z+ ?1 y T9 ~ - return -1;) o& J3 O6 O+ b( |
- }
# Z; `' g6 t0 A" e - arg.sub_addr_count = 2;
5 A* n a, f2 `5 H+ y0 a Z* K, `1 U6 @ - arg.data_count = 0x18;3 L9 ] \0 O: _( Y2 l) c; U
- arg.e2prom_cmd_sub_addr = 0x290;
5 L! {, C3 d9 J! e0 S8 r3 Y( i- F$ g - arg.e2prom_cmd_data = buf;
' P5 G6 ^5 } f+ t) G - ret = ioctl(fd, E2PROM_CMD_READ, &arg);6 j, d0 W. o! h' f4 j9 U
- if (ret != 0) {
" G/ E& E# U& r8 E, Q1 j - printf("Device %s read error.\n", E2PROM_DEVICE);0 v! J- T9 E& K @
- return -1;
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3 O* y1 X8 r; S+ w; ~ - memcpy(mac, buf, 6);
/ L1 b9 ^9 G- n3 ~/ O - memcpy(stbid, &buf[6], 18);! {0 ?) Y! F0 v0 L8 ^3 |1 U
- stbid[18] = '\0';" F7 L# Q3 p+ O$ R
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- return 0;( l4 {2 p: Q- j4 f/ j) g
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)/ e) J5 J& B! W2 w
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- int fd, ret;
/ O# n; Y, u( ~ - e2prom_s_cmd arg;
3 x1 w' T' } l - unsigned char buf[0x18];4 T, K( O( m' w" m. }
- 6 Y' @5 m0 F9 I
- memcpy(buf, mac, 6);
8 Y4 W& k) Q: c* C$ h - memcpy(&buf[6], stbid, 18);/ P- {7 |7 g S& X N; J" @ {
- fd = open(E2PROM_DEVICE, O_RDWR);
# b( _0 h: E0 V" B/ ]2 E; y - if (fd < 0) {
: L7 r9 e+ |0 j. G" a. S1 Z - printf("Device %s open error.\n", E2PROM_DEVICE);% J6 y5 W0 G, M+ v
- return -1;$ X4 G7 b/ o% Z1 d
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- arg.sub_addr_count = 2;& Y4 j( d3 q* {! t7 v
- arg.data_count = 0x18;
/ A6 @, Q& i6 f7 I7 C - arg.e2prom_cmd_sub_addr = 0x290;$ o- j. K; I1 g
- arg.e2prom_cmd_data = buf;
$ Y1 `5 D* N. P - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
+ s; k) f- D0 S+ _% n - if (ret != 0) {% ?% @/ c/ ?/ B$ @- _; e$ j
- printf("Device %s write error.\n", E2PROM_DEVICE);& |7 E4 F8 h5 n9 {+ R
- return -1;$ b0 @* K/ [1 Q
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4 |/ Y! j7 i A: ~5 v- return 0;
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% w8 {( S7 j. q# }( E5 I- int main()
0 _: ]+ q$ m+ s: x i) r - {
0 r8 c0 d- X0 P3 s' N2 g* z4 Q - char c;% c: |6 Z/ f! [ p; o) O
- int i, macs[6];
- ^( ?* x. P" n5 s0 w. [* W - unsigned char mac[6];
S7 t# g* p4 d: n: w6 J: B" V - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)7 b" o- \( z# N9 ?/ \
- return 1;
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- printf("Current parameters: \n");* y, j/ E5 N# K2 B) M7 w' O
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
9 i, \2 U4 y0 _3 X; m8 W1 M; V7 X* L - printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
9 Q' r/ B- D3 `2 L% b8 C - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
! O3 b/ y ~/ S& B: l! W: K - printf("Input MAC error\n");: ~; D0 N: K, A. r
- return 1;$ j& A3 @, Y. {4 U0 t
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- for (i=0; i<6; i++)mac[i] = macs[i];! T: k- j2 d n {, [5 j
- printf("\nPlease input new STBID: ");7 @) ~5 T! U* |3 L" A
- scanf("%s", stbid);
- s/ V2 q7 s) W% I) S" L - if (strlen(stbid) != 18) { n! U& z, h4 e1 A# e' m- X
- printf("Invalid stbid\n");5 x1 S: Q, e2 x
- return 1;
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- printf("\nNew parameters: \n");
7 w: A9 o- @7 I' S# J - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);+ k1 z; j$ M5 i! r$ l
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");! M9 I& d0 t; q7 y" V* Q
- for (;;) {- }0 K/ c8 W" q" s
- c = getchar();
4 ?8 |+ l. \( y) q5 f& b' V# J - if (c == 'y' || c == 'Y')
Y {5 V( Q) c' P+ j5 ` - break;
6 F# k$ f0 i4 Y0 }" n - if (c == 'n' || c == 'N') {
7 s _& x- q0 P$ `+ c7 V; \ - printf("\nAborted.\n");
- ^" R/ F; x. y _" M. D) N' x - return 1;' g1 e6 C) c* [% J6 W4 Z J
- }; G# K, a. S% }/ d
- }- H, D% o' t: _4 e
- if (writeparam(mac, stbid) == 0)
! }# \9 b8 I. Y8 S8 \ - printf("Parameters changed.\n");7 m, }0 @, P2 T2 U& d
- $ @) h4 J$ ?5 ?2 u5 F0 p. E
- return 0;
, ?% Y, H8 `. M - }
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