本帖最后由 0522 于 2012-3-21 23:04 编辑 / Q6 G; `& \( \) q p' |; s5 y
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修改的代码早有了。到今天不会编译。
( _# Y( N4 Z) q* l+ d" t& T9 s+ B需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>+ F! K; `* @/ [$ r* O, v' O0 K c
- #include <malloc.h>
8 c0 g) m* J M& _& l" ] @! u8 O - #include <sys/types.h>
$ M Q# O+ i& Y1 {, v% |1 { - #include <sys/stat.h>
+ |/ n/ X3 u" D9 B& P7 }* L% U - #include <sys/ioctl.h>
; S6 l6 Z6 ^: N5 a - #include <stdio.h>
/ x3 W2 J4 Q; A" K% H - #include <string.h>
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6 p9 a& }/ M- B0 E- typedef struct {
H1 l( i ?9 `& c1 B9 C% K - unsigned int e2prom_cmd_sub_addr;' ]" Y) G6 t) r6 r) H: D B
- unsigned int sub_addr_count;
) h4 |& d0 O, x$ H0 ?/ J& K( Q( Z - unsigned char* e2prom_cmd_data;
6 {8 O! q5 r, v; @4 J - unsigned int data_count;
6 s+ \: M" }8 V+ [: z6 J - } e2prom_s_cmd;( ~- s z5 m0 \" z" H4 K
- % `1 m$ G) s3 C) ?" \% b* d, f
- #define E2PROM_CMD_READ 1, K" \2 \: r/ f6 |, ^$ x. k
- #define E2PROM_CMD_WRITE 28 S& r4 f7 j# ]% p7 p! D
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"* B# S1 u; V0 R c4 Q6 `% J7 ]- x
3 r6 g3 x% t4 w: |3 f! Y- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;9 o$ E% o3 h8 D0 Q3 _) t2 B8 v
- e2prom_s_cmd arg;- d! L- |. e2 d
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
A! S) l1 r' l6 D+ z: d& f4 u - if (fd < 0) {. c+ Q! e+ j: f: f7 d$ V0 R# j
- printf("Device %s open error.\n", E2PROM_DEVICE); A. S! i" a/ t* I' M) W T
- return -1;
% a7 [" D, O( D, F) P - }
; B- e' O" o& |0 a n! X - arg.sub_addr_count = 2;+ j& P, A& t( ^& s
- arg.data_count = 0x18;) c4 s+ r8 y) ^1 J+ w0 `# D
- arg.e2prom_cmd_sub_addr = 0x290;
+ T0 X7 o0 s( G" T; B$ M; V c* i - arg.e2prom_cmd_data = buf;
, m, H, K( O; K' F6 J: G! e- i - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
6 r0 ~# J( m8 l1 @; w - if (ret != 0) {! X/ f! |" O. q' v9 ]
- printf("Device %s read error.\n", E2PROM_DEVICE);- L5 p) K& [9 O" I: \# M7 C5 p
- return -1;
4 i) H. n2 B% g& R& ?2 [- K - }/ k1 p/ h& I" b4 h
- memcpy(mac, buf, 6);
0 `' e: S2 @0 @ q9 j - memcpy(stbid, &buf[6], 18);, f! t( K# T: _2 N% P
- stbid[18] = '\0';
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- return 0;
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- , y+ d: w7 m; V4 y$ V" u& v" s
- static int writeparam(unsigned char *mac, unsigned char *stbid)- B& {% c9 |5 R' J+ y0 m
- {
0 I" x" o, a, s - int fd, ret;
5 S) f( I1 J+ |) ~( \1 ?8 g1 d# J. L - e2prom_s_cmd arg;
1 h1 {3 C& J/ F# ^2 t" ?5 l2 P; l - unsigned char buf[0x18];2 ~9 W4 ] H1 y# N. _* l
$ C9 _% c9 V: _- memcpy(buf, mac, 6);! B2 q0 M6 [# a( |7 L0 l7 i
- memcpy(&buf[6], stbid, 18);# A5 M+ R0 d' q8 c" Q+ S2 \0 V
- fd = open(E2PROM_DEVICE, O_RDWR);
4 n' T5 T6 R+ U8 a( N5 ~; R+ b" B - if (fd < 0) {
9 a7 s9 k+ Q$ k2 U; o1 Z6 r3 K$ d - printf("Device %s open error.\n", E2PROM_DEVICE);* |9 C. G5 v V$ A- F0 z7 a( B1 }
- return -1;
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- arg.sub_addr_count = 2;
# U2 V5 A& r) J8 a1 k; W7 c% C5 `" M - arg.data_count = 0x18;$ a% F0 ^0 Z$ ?# S2 r
- arg.e2prom_cmd_sub_addr = 0x290;# f1 _# K" [1 b- \5 B* Q
- arg.e2prom_cmd_data = buf;
6 K% y- x1 _% n% _1 h. M - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);5 |2 L; l# x g
- if (ret != 0) {* H* z, F7 [: _ P- }8 l
- printf("Device %s write error.\n", E2PROM_DEVICE);4 J2 h1 E+ T; E) A
- return -1;
$ T0 }; f0 U1 s4 f+ U: ? - }
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- return 0;
+ p6 c1 y: ?$ B: j9 I% f- F - }
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0 k6 C5 q0 R2 R3 m, O- int main()# x8 G7 A8 E3 O! m( S
- {- ~, n$ q1 [. Q& G
- char c;
. ]# Q: k9 V I% @- w - int i, macs[6];
4 e4 G$ A5 e( X& y6 F - unsigned char mac[6];
( K/ g; p+ `. g7 ~. [% m5 h' J - unsigned char stbid[256];! c" Y8 Y8 z3 ~! q0 }- t% L
- 7 m6 E5 X3 h, S, R
- if (readparam(mac, stbid) < 0)# i, z P) J% U# K0 j9 N# W
- return 1;
8 `1 @, |) H* t7 Q - $ j, |: s! a: {" {
- printf("Current parameters: \n");
4 O6 K- X( v8 r6 A" C. S - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
5 ^! n+ h- z- M; n/ L5 f: a1 o0 Q - printf(" STBID: %s\n", stbid);
! V9 {! U: O* [ -
5 S8 G E' S$ f# \8 D$ @8 W - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");3 c. v1 {$ W" W, O1 U
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
: y* f, `' m0 E - printf("Input MAC error\n");5 r1 `% b3 V% d3 @' `7 g
- return 1;
& L: [# A) H6 E" v8 Q m! F - }
* M! w* S. W7 I) I: T+ w% M - for (i=0; i<6; i++)mac[i] = macs[i];
D- ^/ |- n! d9 a+ t, [) i - printf("\nPlease input new STBID: ");' s) f- ^4 S z% [2 Z. N
- scanf("%s", stbid); Y/ i6 X% ?6 a) r+ D0 d) A
- if (strlen(stbid) != 18) {5 n) e* {7 X2 g% H5 I
- printf("Invalid stbid\n");! Y( t0 u; r j9 e, F5 {# k3 s
- return 1;
0 [! H0 F' R$ p5 d/ w0 a - }
2 s2 `' J# ^5 `# _( r! h - printf("\nNew parameters: \n");. \+ I/ k9 J) k, g/ M3 X
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
. z4 V' t$ Y" O - printf(" STBID: %s\n", stbid);0 S# E e: D0 Y8 h
- . F! Q' `8 U5 O! B5 v
- printf("\nDo you want to change paramemters? (y/N) ");0 l0 W* N% Z! O- x
- for (;;) {& j& O; I3 \) E7 u, }
- c = getchar();
5 U$ V* m! ~5 J" D3 v* d8 Z - if (c == 'y' || c == 'Y')! o. b# M! ~& Y- f$ H
- break;, x+ W$ B9 L. h# d& X
- if (c == 'n' || c == 'N') {
# q9 X9 u: m$ l$ v - printf("\nAborted.\n");3 | C! H+ J5 |* T- p7 y
- return 1;9 o5 t# y, }" W0 _ I* @1 b" m( H
- }5 `/ F1 t4 i6 P
- }
4 w8 F0 q0 y3 \3 v4 \: @7 ? - if (writeparam(mac, stbid) == 0) ( b0 ?* D) c) ~% T
- printf("Parameters changed.\n");
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- I; t1 X' v, ^- return 0;
; ^4 g( X8 r2 F7 w% z - }
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