本帖最后由 0522 于 2012-3-21 23:04 编辑 3 r! p1 `0 q) E, y$ o& r! x
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修改的代码早有了。到今天不会编译。# t7 A# V8 q, L' {- c6 h8 f, ]
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h> d( h4 v4 ~% b/ z, H. H. o2 s; O
- #include <malloc.h>* @! i" M+ v% v7 x8 s: r. k
- #include <sys/types.h>
# z1 G5 g a* q1 E" K - #include <sys/stat.h>
9 k+ r! x- P) @9 W' t8 h - #include <sys/ioctl.h>
2 A2 V2 e9 N4 {7 d- `6 Z - #include <stdio.h>( M4 D; Y( \$ q) R2 O: l/ P) U
- #include <string.h>9 Y2 e' }# Z- C# E- Y6 B8 D
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- typedef struct {: X7 X" s* F% ~- M( a2 s- W3 W
- unsigned int e2prom_cmd_sub_addr;
7 w/ l/ b5 K2 l% B$ j& {: x$ Z - unsigned int sub_addr_count;* k2 c# w2 J5 `8 z% t6 }- ~
- unsigned char* e2prom_cmd_data;1 a3 {. f9 ]2 E1 |, L, L
- unsigned int data_count;
1 P# Y4 f0 L) f) }4 s0 f9 p - } e2prom_s_cmd;9 F; J6 W% R( Z/ l1 o" H9 N1 k
e5 y( i. b; J2 I1 P: M- #define E2PROM_CMD_READ 1
; F+ N5 u7 I j - #define E2PROM_CMD_WRITE 2* b% u4 |; b+ c) s( Y1 G" i
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
* \+ [- |" Z" D" P - e2prom_s_cmd arg;3 k4 |3 {8 E3 Q0 F4 S
- unsigned char buf[0x18];- A0 L$ U# N) P7 p
- 3 j$ |# A) U$ W; @
- fd = open(E2PROM_DEVICE, O_RDWR);: H n% l! O* k5 h0 F
- if (fd < 0) {
z- r! d' _# x$ ^% j% t0 B - printf("Device %s open error.\n", E2PROM_DEVICE);
& D( [+ ~% q. d" y | - return -1;9 N/ x" |# X( y3 z+ y
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- arg.sub_addr_count = 2;
. A; n, R$ Z" n1 h6 N+ w) ^ - arg.data_count = 0x18;) q5 p+ B- m* n. ?8 f
- arg.e2prom_cmd_sub_addr = 0x290;
' a2 j' ?: U$ e1 n3 ^2 E1 x - arg.e2prom_cmd_data = buf;5 B/ U- ^7 J! }$ N
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);8 j6 ?' e) |0 Q6 C4 |; `
- if (ret != 0) {
: g; D C) C7 v) i4 q - printf("Device %s read error.\n", E2PROM_DEVICE);
; A$ f& ?0 E A. H& Q - return -1;
# U: ^" q6 d7 \ - }
( M# e6 {, p5 T - memcpy(mac, buf, 6);
! b8 s9 r8 w3 c6 @ [1 N - memcpy(stbid, &buf[6], 18);# @% u8 K) Q; o. Q; i- p
- stbid[18] = '\0';: h1 ?$ L) Y, |+ W. z; q* C
0 b; O: \. M% T, ] r2 Z! {- return 0;2 k. K% b! `$ W8 c
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)6 A/ F" L% ]7 H0 ^% X* o6 {
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- int fd, ret;
- L g2 _1 }! F3 ` - e2prom_s_cmd arg;0 |# N+ h2 ?5 \, S: v
- unsigned char buf[0x18];" n _( L+ ^/ F* T9 c" i$ s
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- memcpy(buf, mac, 6);
( J3 R# h5 v8 T5 ? - memcpy(&buf[6], stbid, 18);5 B# j/ {/ |3 F% O' n2 }" H1 {
- fd = open(E2PROM_DEVICE, O_RDWR);6 O- I$ T5 _( c, _$ `
- if (fd < 0) {; ^! a f+ Z. q [* [: n
- printf("Device %s open error.\n", E2PROM_DEVICE);
+ R+ E$ L" f { - return -1;4 H7 C' i! f. _. l
- }
, w9 z, ^' l1 Y% R - arg.sub_addr_count = 2;6 f ^3 `# z4 t0 f8 t- E
- arg.data_count = 0x18;% s0 V% }+ y* f+ h6 ?1 w
- arg.e2prom_cmd_sub_addr = 0x290;
2 {5 ^$ }. t4 e, I - arg.e2prom_cmd_data = buf;' C: d7 S/ I, R5 h5 A
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
4 `. ~3 k5 \4 I) S; D. m - if (ret != 0) {
5 p `; d' C) Y - printf("Device %s write error.\n", E2PROM_DEVICE);
2 |& p x- Y( i9 Z$ ^ - return -1;" u( g9 i- P& @/ K* \5 ]# W
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- return 0;
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- int main()
4 t) s0 h' h* t; \ - {
8 d% o |* v9 O8 }! E - char c;+ T6 {- s* l/ H- f
- int i, macs[6];! [3 ]( A" E* n
- unsigned char mac[6];, L" d, b, ^( Q" \8 I1 K
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0); m' y1 M* J0 a" t% x
- return 1;
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- printf("Current parameters: \n");$ C+ o" B$ P# _# ~" u7 }* g8 ~( i5 y
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);+ q3 U1 K, b7 A7 D* K
- printf(" STBID: %s\n", stbid);
9 F0 O9 C+ A) }; q, } -
3 y$ x. J: I! J& m9 m - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
_8 ?6 k" S, T' q# G! b - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {3 N9 E+ j' |& E2 ~6 M
- printf("Input MAC error\n");8 W/ g: g8 S0 Z, }$ g2 Z1 w
- return 1;* D& L* O* o3 t: `! i+ f/ d
- }
/ C P1 A, ^; y( N8 a6 J - for (i=0; i<6; i++)mac[i] = macs[i];
( q4 N1 a4 ]2 {1 x6 @( d1 I - printf("\nPlease input new STBID: ");9 D4 _3 I6 W/ G" Y" q
- scanf("%s", stbid);
' H3 }2 m% m1 u - if (strlen(stbid) != 18) {
7 n5 ?# V* I# H$ p/ p: n - printf("Invalid stbid\n");
2 _3 a: M: ]: a0 \4 p - return 1;
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- printf("\nNew parameters: \n");
% ~6 O) \) [3 B1 q* U - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
# ~. X$ Y; ?% x. w - printf(" STBID: %s\n", stbid);2 X( ^7 |/ r$ ?* n, V0 T) A# b
- ?6 o9 F6 \* O# b* t: c* N
- printf("\nDo you want to change paramemters? (y/N) ");
# @! W0 J7 w. D6 R1 s2 n - for (;;) {2 O3 T, W& J5 B- R1 Q, z
- c = getchar();# f0 R# T C! T& u- S0 A! F
- if (c == 'y' || c == 'Y')
8 U( \2 j; N7 [2 U. H! n# ]" f - break;
- Q. S$ n3 }% l - if (c == 'n' || c == 'N') {
. Y4 u6 S# @5 W* m0 L% q - printf("\nAborted.\n");
) T$ u( F3 b$ Y- ~, \9 n: Q - return 1;2 r: L3 w' _+ `6 Z8 \3 h) I: a
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- }
7 a" P4 V# H8 G$ T1 w* Y6 } - if (writeparam(mac, stbid) == 0) & L; r8 n6 ?: e& K
- printf("Parameters changed.\n");
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- return 0;
9 \& I( d) O( B) l6 K/ j0 z3 k - }
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