本帖最后由 0522 于 2012-3-21 23:04 编辑 & a% A" p- B6 J, h% i! J
8 X2 |: @' o I8 M修改的代码早有了。到今天不会编译。2 p! e6 M ?' Z, c* C
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>9 G4 `% R/ K5 I, k. }
- #include <malloc.h>- p1 \5 }- T/ w% {7 e
- #include <sys/types.h>
: z6 v% u5 a/ L4 o( Q2 Y* I6 ~ - #include <sys/stat.h>
: B9 F, K" Z1 L1 |7 d% E/ A - #include <sys/ioctl.h># O R. L6 ?9 E5 g9 [
- #include <stdio.h>! u) J/ k: U8 g6 n; e7 R% G
- #include <string.h> M$ _3 M& Q7 r$ i: N
; K6 O% A: K+ w3 Q- typedef struct {7 ?- R6 Q. C; ~' T/ d/ z% l1 m
- unsigned int e2prom_cmd_sub_addr;
7 u1 Q ]- C2 m' |" U1 T# p - unsigned int sub_addr_count;
3 v# f v' {% H/ ?2 R - unsigned char* e2prom_cmd_data;* J3 q* K: q3 L1 ^8 Y: d
- unsigned int data_count;
, t4 i4 o; |' e/ ^ - } e2prom_s_cmd;
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5 f7 w! y) t, T- q% \# E- #define E2PROM_CMD_READ 1
2 x( D" `% }, H0 L/ s) s - #define E2PROM_CMD_WRITE 2
; ]5 B3 n- e' P& x - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid); X1 w6 k, \( d, I: F; Z2 X
- {$ e2 ?5 H/ y" I: @: W
- int fd, ret;1 s" L4 s" R9 g# \
- e2prom_s_cmd arg;
* d, P( E0 n4 z - unsigned char buf[0x18];8 D5 V; b' K0 L3 B: ?) g1 A
- ' \# |% x! V" r- T3 O
- fd = open(E2PROM_DEVICE, O_RDWR);! M. T: @% _) C K$ E( h
- if (fd < 0) {
8 y! j3 I7 S5 @# V- D - printf("Device %s open error.\n", E2PROM_DEVICE);" b+ c9 }' E+ p' ^0 @) ~, x
- return -1;
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/ }2 e& T K6 e7 j, D - arg.sub_addr_count = 2;
/ U& N0 [0 q; x+ S - arg.data_count = 0x18;
) L$ `% s! `! I5 r$ I. r3 R - arg.e2prom_cmd_sub_addr = 0x290;
7 ^; s, @1 z- D, e" T0 \6 l - arg.e2prom_cmd_data = buf;6 ]8 `; b$ x, C6 O) N. a) i; l
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);/ c6 p! g$ B% } o
- if (ret != 0) {
- Z# q0 V1 d& T+ v - printf("Device %s read error.\n", E2PROM_DEVICE);( d2 j7 o d( i8 W9 ~: i
- return -1;# m+ q6 n$ Y; _" a
- }
2 d1 o# ^5 `( T3 R+ ^7 Q6 F - memcpy(mac, buf, 6);# n' T! G+ o- p: b0 n# A
- memcpy(stbid, &buf[6], 18);
, I0 h' c, n+ D! x - stbid[18] = '\0';
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7 ]: S! a" N6 M) b7 S- return 0;
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4 [4 M( F0 g/ g% O: ]; T8 ^4 J+ S+ T- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;) i, L7 {0 \; g+ Y& G
- e2prom_s_cmd arg;- N: r7 }0 N3 D
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);% m) R; e; Q! D% t3 b* {9 F( @
- memcpy(&buf[6], stbid, 18);7 S* w+ a# j5 m
- fd = open(E2PROM_DEVICE, O_RDWR); Q" o% v+ }. { ]
- if (fd < 0) {
5 d8 F! G0 T# M( M - printf("Device %s open error.\n", E2PROM_DEVICE);- s r, V2 F8 H, X, \- {) ]
- return -1;
& k4 z2 O1 f( @ - }
) \ e& z' s& @- U, f' \; e - arg.sub_addr_count = 2;
( n9 ~& F3 c6 q0 ^5 _ - arg.data_count = 0x18;
5 G: G- s6 M" i% y: r - arg.e2prom_cmd_sub_addr = 0x290;
$ [/ n8 k( E, i% M* g' U% W9 y) O - arg.e2prom_cmd_data = buf;7 @6 |: L* m5 F' _/ x/ J0 V. f. R% Y
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
+ Y9 i; z, I( F8 S7 p. b$ i) K; D% l - if (ret != 0) {1 f, b+ A$ a) b1 ^4 t
- printf("Device %s write error.\n", E2PROM_DEVICE);5 W! G2 [7 `9 {* l% Z2 J
- return -1;" |/ [, f/ g z( @4 g
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- return 0;4 g& X4 p3 |' k+ o) r7 o0 m
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, ?' W+ k0 g1 @. n- int main()8 I- W+ k5 \8 r6 H" R1 }
- {
* Y' O G, v1 ]8 w1 O! L - char c;
7 C3 `, O) W4 }6 t& k, ^ - int i, macs[6];
O# o3 f3 c, \! U+ c - unsigned char mac[6];2 g2 ^( r2 ]4 T' U
- unsigned char stbid[256];
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2 |9 w: o( h& U: M4 m6 u, \- if (readparam(mac, stbid) < 0)7 h/ a1 F3 U" ^5 g+ T; z: l
- return 1;
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- printf("Current parameters: \n");0 q9 Y$ }+ j! ~) d
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);9 Y# J9 ~8 v$ Y! G2 C
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
: s4 B+ E+ u- R2 Z b - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {# o" Z" |' Y, m7 t1 W# V% r
- printf("Input MAC error\n");
/ S1 J- u0 i% j, g2 }, n% r: Q - return 1;
$ T0 s5 _( t7 z# ^7 i5 C0 n' I: f - }
& q+ R3 q% _" ^8 `9 Z- {4 A - for (i=0; i<6; i++)mac[i] = macs[i];( z- \* E. u$ K4 E+ Y1 ^7 ~) z
- printf("\nPlease input new STBID: ");
7 R1 I, J1 F# Y" u! |& u - scanf("%s", stbid);
# r1 y1 V4 w+ y: ~7 A% `4 t - if (strlen(stbid) != 18) {
: z. w% O; L& ^0 K$ o - printf("Invalid stbid\n");
& X. p% a& ?8 c0 h; q - return 1;
; k0 Y: I# S- F' P% s6 C3 y - }1 i$ V( {, u" `' n; H: ^
- printf("\nNew parameters: \n");% W$ Z( K1 |+ p* N% p& z
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);9 u+ f8 Y" Y8 T& O2 T, e# j7 u# B
- printf(" STBID: %s\n", stbid);* |3 V* t" m# q! V# @6 J
- + T C! Y( F# w: Z
- printf("\nDo you want to change paramemters? (y/N) ");9 `& t3 q! ] t: Y0 [! D6 n
- for (;;) {1 Y, n+ U) O$ H/ _2 j
- c = getchar();' q7 P7 r0 G$ P- m
- if (c == 'y' || c == 'Y')
- I, H' k& L+ J$ ^1 E$ L6 }8 v - break;/ ]0 K+ T0 x" z% _3 ]# x
- if (c == 'n' || c == 'N') {
* P- d. ]& ]% S) k# t, c9 r4 \ - printf("\nAborted.\n");# B; J. j3 }9 z4 n4 \
- return 1;% p; o( u8 P' I; z u4 Z7 N( w
- }
/ c( a; W/ y) L8 {0 ]6 C - }
+ i- ?' O6 z! D+ X6 X" \ - if (writeparam(mac, stbid) == 0)
7 S, }0 p5 Z2 f( a' G - printf("Parameters changed.\n");
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- return 0;
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