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。
" Z* E* L" J6 k, j# G8 ~, y) [需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
5 Z" Z& ^" p b3 k - #include <malloc.h>
& d- F B6 j+ ]8 `! o8 ^ - #include <sys/types.h>1 V' t I+ S9 `
- #include <sys/stat.h>, H9 _" Y0 B4 O: C8 t
- #include <sys/ioctl.h>( k' B* f) v- c4 b) D
- #include <stdio.h>! v/ @5 I$ B% Z! J
- #include <string.h>
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" {; E# W7 o0 W9 G1 H5 G- typedef struct {6 q# B% U. K8 t! I+ w3 @" R: I1 d
- unsigned int e2prom_cmd_sub_addr;9 ` W5 T2 C( x( d/ I0 h2 _ e
- unsigned int sub_addr_count;0 @4 @" C4 Y3 t) Q9 u
- unsigned char* e2prom_cmd_data;4 L2 D o5 E5 C1 k+ h" p1 t
- unsigned int data_count;
7 e% U# _5 F. L T g - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1
' t9 Y6 r0 g9 z! C% h - #define E2PROM_CMD_WRITE 2% ?: N+ p G) F, Z3 o
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"+ b) Z* D( j! N
6 f) P% v$ c/ l/ n; E7 l4 ^1 y- static int readparam(unsigned char *mac, unsigned char *stbid)
7 L3 i5 I4 t. Z7 b - {
8 r- I. W4 W! |* p- g - int fd, ret;: T: ?0 P5 ]! s, O c- F4 r8 r% c
- e2prom_s_cmd arg;; q" X$ B+ K1 q8 E @
- unsigned char buf[0x18];
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% P2 {1 Q! Q3 m: P- fd = open(E2PROM_DEVICE, O_RDWR);! \' e8 @: k" ]. T3 ^/ h
- if (fd < 0) { k/ Y6 c& [8 Z) D* i1 u
- printf("Device %s open error.\n", E2PROM_DEVICE);
7 r2 c. y0 `( w0 e: H5 M- D9 ^. j: ^$ R - return -1;
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- arg.sub_addr_count = 2;+ S: \8 s5 h' u- |* k( P) ]
- arg.data_count = 0x18;
% A( `+ y% B! ]+ G/ N! ^* [ - arg.e2prom_cmd_sub_addr = 0x290;
0 T/ B3 p: g- Z: ]; i - arg.e2prom_cmd_data = buf;
: r2 z8 U4 h) R - ret = ioctl(fd, E2PROM_CMD_READ, &arg);+ |/ \) N4 R& f: h# [$ b3 q6 A5 I6 P
- if (ret != 0) {
: o3 n9 Z. y5 d, b - printf("Device %s read error.\n", E2PROM_DEVICE);8 J$ A k8 z9 a5 \, ?7 C, J
- return -1;& ^7 b: L% z! b' Y% U
- }& c' A) H: M" y( W
- memcpy(mac, buf, 6);8 a# l1 x' p7 x% w* o* [3 j
- memcpy(stbid, &buf[6], 18);% |2 s3 C" }4 ?# K2 h9 |. F
- stbid[18] = '\0';
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5 Q* f& e5 A7 G; M- return 0;5 d8 s U; W0 S7 L3 D
- }
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0 l1 p1 e: [+ o4 |# g+ U- static int writeparam(unsigned char *mac, unsigned char *stbid)
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8 y6 P4 w# w: L. v' H0 g) Q6 ~ - int fd, ret;
: `% v- {) _4 { - e2prom_s_cmd arg;' X( R4 T) k$ n. _+ R" n
- unsigned char buf[0x18];
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6 x+ I, v# A+ w6 K/ j _- memcpy(buf, mac, 6);7 {7 ]& o) [( s2 t: t6 ?' c. e: Y
- memcpy(&buf[6], stbid, 18);4 A4 X: F, O6 @- Y
- fd = open(E2PROM_DEVICE, O_RDWR);- M4 Q4 S& U e+ ?7 U' S& a' e
- if (fd < 0) {0 j$ B0 ]: K. r# A0 }0 d L+ [' P4 e
- printf("Device %s open error.\n", E2PROM_DEVICE);
U; o: L3 Q, i3 s; O - return -1;
8 P3 ?( P' c" ? - }
3 o7 P2 m! X; J- | - arg.sub_addr_count = 2;! [0 \2 \" I; C# ^9 y9 m2 }1 N1 K
- arg.data_count = 0x18;
# k8 ?/ m! B4 U - arg.e2prom_cmd_sub_addr = 0x290;
) T* U# u( p1 {, c/ } - arg.e2prom_cmd_data = buf;9 S* Y* ?3 H$ M) a, J" K
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);8 m# y; u% O$ m+ B$ t
- if (ret != 0) {7 P- r+ X6 `8 j$ @# r( T
- printf("Device %s write error.\n", E2PROM_DEVICE);
4 w) H K5 A1 a" | - return -1;
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- return 0;9 ~- x" T$ W/ h% v7 {6 e, [+ z
- }
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- int main()
! u3 w8 o' O! h g) I2 r/ i - {
6 P8 W+ n" h( C. I. r* B - char c;# t8 [7 ]+ \0 x) d" b& D( Y$ T
- int i, macs[6];
8 E1 `7 o' f, w" s; j - unsigned char mac[6];
/ i5 s6 P6 @% R0 y6 [( [8 J - unsigned char stbid[256];
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! d3 u0 n$ M) U9 \3 X+ x- if (readparam(mac, stbid) < 0)
6 \& V9 B1 n ]' I7 @" g - return 1;& i V3 \" x. w( q% M1 x: K3 C
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- printf("Current parameters: \n");
6 L- _& c$ @" ?6 |+ P# q - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);! o, V" c- I) _" T/ c- [
- printf(" STBID: %s\n", stbid);5 g' |0 s5 B- ~, O9 L7 q$ o
-
" o* K$ U0 E. Q; b$ W* s' a - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
2 E% {! }8 G0 c9 K1 r+ U: p# T - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {# S S0 | O% u
- printf("Input MAC error\n");2 U! f: ^4 q k, I0 U6 |$ f
- return 1;" M. X B, \& ]6 ^5 T: f! p
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- for (i=0; i<6; i++)mac[i] = macs[i];) ` S* q/ _: d5 v7 K5 K* v7 C
- printf("\nPlease input new STBID: ");7 [+ r' R8 u& k: S
- scanf("%s", stbid);' x5 s9 |" q8 D1 Z% F8 d
- if (strlen(stbid) != 18) {
" I( z+ q R. [4 f8 S - printf("Invalid stbid\n");
& A$ L+ n9 R0 M6 U. |% l+ e7 l - return 1;
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- printf("\nNew parameters: \n");+ c3 q, f' S$ H5 S" z
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
9 Z- ~4 E- R0 g - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
0 [. R8 E, _$ c" N - for (;;) {- m! V9 y g/ ~. b9 ?
- c = getchar();
7 t. e- M9 t/ m; I% f7 G% l- `$ q - if (c == 'y' || c == 'Y')
$ A3 ~& l8 I' c- u - break;
! a8 N5 N* A* T5 o D; h/ s6 x - if (c == 'n' || c == 'N') {! j1 {1 Z% Z! [! j1 T
- printf("\nAborted.\n"); j0 I5 g5 I% s
- return 1;
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- }! _& @( ~% g) R
- if (writeparam(mac, stbid) == 0) 1 ]* a0 u. r/ }
- printf("Parameters changed.\n");, W4 _2 W9 i# w% `0 p& y
- 3 ]1 @) P" N6 `8 \, X5 e1 o* ~3 D
- return 0;5 P3 y4 D% Z' d* h9 c
- }
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