本帖最后由 0522 于 2012-3-21 23:04 编辑 ! @- ~+ T( E" F) f2 V9 N
2 q6 h6 t s3 B: ~% X$ Z修改的代码早有了。到今天不会编译。& m, x8 @# N; z; c& l7 u$ s' d
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
4 c/ t8 F4 `- e! R$ S F+ ` I - #include <malloc.h>5 v' E/ g* G2 \8 @( E2 f: I
- #include <sys/types.h> T' W9 p9 {0 A, w; L1 O
- #include <sys/stat.h>( M k( i; [- ]! {( y* S
- #include <sys/ioctl.h>) \' G: E( t" X4 r6 g* T% E
- #include <stdio.h>; F2 u* t: `; f, x$ X' G0 x
- #include <string.h>
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- typedef struct {
( H4 s3 `! {6 @2 ^5 n - unsigned int e2prom_cmd_sub_addr;$ L3 i/ M, k9 a0 m6 ]" t, j- O
- unsigned int sub_addr_count;
0 W" I; E/ A7 y* W I5 _ - unsigned char* e2prom_cmd_data;4 v# m) V; O) r: `* N$ X3 b3 F& O
- unsigned int data_count;" _% X- h3 d% V: s) C# r- z8 X0 `
- } e2prom_s_cmd;2 ] f* B" f0 e5 a0 k2 X+ L9 h
- 2 X* V! F) Q3 b9 C
- #define E2PROM_CMD_READ 1* ?4 O9 h+ Y2 V: B
- #define E2PROM_CMD_WRITE 2
- L; C: k, H# Z9 C, i - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)) q, |/ t2 h/ f8 L
- {
5 Y8 H! i% H5 U$ W+ ^2 k; I - int fd, ret;
( R. p' f* ]; U - e2prom_s_cmd arg;& y) K- J% `' B, G& \4 C
- unsigned char buf[0x18];
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( n! b' F' w% k H- fd = open(E2PROM_DEVICE, O_RDWR);
) k3 V e" n) F: r J7 e - if (fd < 0) {) @3 A# B# v7 V; \1 e
- printf("Device %s open error.\n", E2PROM_DEVICE);
6 i; l* k& H) X0 ~4 n; c0 x @1 _( b; u - return -1;
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- arg.sub_addr_count = 2;
6 H$ S$ }& ?5 s( A- L( L1 A - arg.data_count = 0x18;
& r! R: P7 P5 b0 T. m, j$ w% | - arg.e2prom_cmd_sub_addr = 0x290;
5 u/ ^7 e3 Q2 P1 G9 R3 |, v - arg.e2prom_cmd_data = buf;
4 A, a% w# o/ H - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
3 ^, b* I+ n6 q4 X! x4 a2 r3 L, \ - if (ret != 0) {- s1 X5 o. d0 `
- printf("Device %s read error.\n", E2PROM_DEVICE);0 i3 E& m: [! d7 a0 X
- return -1;8 g C+ Y( e5 F4 A
- }, [% l1 i) x3 D- v8 [$ Z0 O
- memcpy(mac, buf, 6);
1 B% @2 B H) F7 e" u. y - memcpy(stbid, &buf[6], 18);4 S. d. I; V( T( G6 j, I! r5 N
- stbid[18] = '\0';) m. E1 y7 z5 z' g$ p: H
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- return 0;
( H6 R# M$ K/ \4 ^ - }
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- static int writeparam(unsigned char *mac, unsigned char *stbid), ~1 r; s J( ?" u* ^
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- int fd, ret;$ H7 L4 ]" u1 |4 Q6 k1 D$ @
- e2prom_s_cmd arg;
- f6 v) c* h& Y. q( C - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);" \ k* P* E& c8 I) ~. }, Y8 O
- memcpy(&buf[6], stbid, 18);7 A1 ]3 O/ W& v( h4 n
- fd = open(E2PROM_DEVICE, O_RDWR);
5 T& a8 d- L$ [; Z0 V. T - if (fd < 0) {
; }; A' L/ e5 |4 O - printf("Device %s open error.\n", E2PROM_DEVICE);: P p5 B( ` H+ ?" x% O. F/ H
- return -1;
) b& O9 V' \" X6 b0 a2 T - }
/ k3 T: \- U" g# ?; ? - arg.sub_addr_count = 2;
9 A1 v9 p9 A1 Y' X - arg.data_count = 0x18;
$ q% t7 d3 D6 @* L9 C# E( z" m - arg.e2prom_cmd_sub_addr = 0x290;
+ [& n7 _' ~9 |+ f; \ - arg.e2prom_cmd_data = buf;% h* b0 y* {1 B$ Z1 Q" g1 M
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
7 e6 y! I1 I/ {# j; K" |( `3 O - if (ret != 0) {# V, L, U4 b" ^1 i, z! \
- printf("Device %s write error.\n", E2PROM_DEVICE);
; [' M9 F- ]* ^; m- M' I3 o5 { - return -1;
5 O% M, T" D$ g) O/ L2 ` - }
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- return 0;, ?: e% M7 g+ K" J! }
- }
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- int main(): J& W6 f! d/ v. a2 H% E* m
- {
7 ~# i- x8 S1 g2 L1 b' G7 B - char c;* R9 w! K( `" Z7 T; x# T
- int i, macs[6];
: X T- G7 B, e9 l+ R5 t" | - unsigned char mac[6];; u7 U) C& ] L
- unsigned char stbid[256];+ h3 z3 r) ^- C; Q' I
- " K+ w+ d6 c+ c9 _% I
- if (readparam(mac, stbid) < 0)
' c6 b& J0 k b+ b/ { v$ H4 P - return 1;
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" c9 j- E' X `6 a- printf("Current parameters: \n");9 Y8 A1 J* f" N6 e
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);4 ^6 h$ @+ K- ~
- printf(" STBID: %s\n", stbid);
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; `$ n; D7 a" q Y; K* B% J - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");; q& f( j" B& P$ l& o; s
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
3 Q7 ?* N9 [1 |5 v - printf("Input MAC error\n");
! j) t3 C' V" l1 ^$ f. | - return 1;, E' \5 z1 v# P: y* \, {
- }
+ D& `3 f; {; r+ _ - for (i=0; i<6; i++)mac[i] = macs[i];
6 {3 x# R; i4 {0 t2 V; a - printf("\nPlease input new STBID: ");* P' K; k2 _! N' ]( t: z* Z7 O
- scanf("%s", stbid);" [) l# n- A4 J9 H. h8 n
- if (strlen(stbid) != 18) {) X; _0 Z0 M7 l
- printf("Invalid stbid\n");' \2 O W) o- m+ p. j
- return 1;
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- printf("\nNew parameters: \n");
i: D U, c+ M7 b2 v4 L - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);) c+ X) J3 L' {! l# E
- printf(" STBID: %s\n", stbid);
# S% D6 ]; I$ v; x
; V6 v! @' r2 X2 A5 b4 C2 D- printf("\nDo you want to change paramemters? (y/N) ");! x0 V. \& Y/ X: |
- for (;;) {7 h) s1 I& C, |. p0 u4 G `$ X
- c = getchar();
7 `$ \3 e( i' V$ ~5 G1 Q/ g# O - if (c == 'y' || c == 'Y')
$ l1 L$ i! a# t7 |/ i - break;
9 C6 e, M) D/ q9 T; e. e; u - if (c == 'n' || c == 'N') {
; m* _2 y3 N7 a; O - printf("\nAborted.\n");
) W/ J6 ]. Q+ b6 ~ }- S - return 1;
) s. `# T! o7 o% C - }: E( I: `4 B! z' c" }
- }
0 g1 N" Y# S* |- W - if (writeparam(mac, stbid) == 0)
1 B# A+ l8 i/ _& x0 x) f j2 v - printf("Parameters changed.\n");
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* S/ n$ J0 t5 D. O2 p* O' ?! H; A- return 0;
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