本帖最后由 0522 于 2012-3-21 23:04 编辑
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2 i8 w$ R9 c! \9 X9 S1 w修改的代码早有了。到今天不会编译。8 `) j& \4 x$ n
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>0 D7 _2 N$ @1 U) y7 \
- #include <malloc.h>8 a3 s$ _$ o/ V" w i- b
- #include <sys/types.h>
5 l$ h+ @; M4 P+ |4 H6 E9 w - #include <sys/stat.h>
1 V: F/ d8 @; A- D: ?) K t/ W7 R - #include <sys/ioctl.h>
, b" i: x& Q8 u5 a' ~+ V/ h7 j - #include <stdio.h>6 x2 B$ p, S8 n
- #include <string.h>
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- typedef struct {1 W5 o9 A4 a/ R; n1 {6 {
- unsigned int e2prom_cmd_sub_addr;
# ]2 I2 [5 f3 Q! V5 T- Q - unsigned int sub_addr_count;# ~- v8 B% w6 H, _9 |
- unsigned char* e2prom_cmd_data;' R5 }, k+ T" t( H
- unsigned int data_count;
2 G9 R/ c! G8 X - } e2prom_s_cmd;+ ^5 r A% D J; C
- # c+ V: t( X. g
- #define E2PROM_CMD_READ 1) @6 U! L6 s# K9 H+ P
- #define E2PROM_CMD_WRITE 2
) `( c3 f7 R* k& n, E8 g$ v6 l4 Q - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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+ ?1 q5 {; F; F5 q$ e- static int readparam(unsigned char *mac, unsigned char *stbid)3 T0 \2 I8 P' f7 i# C+ B. Q. s
- {
& Y f) Y" i" z9 B - int fd, ret;
* c3 F/ Z! o# L! i' i1 r - e2prom_s_cmd arg;$ `: u5 p. h& Z+ y' |9 e1 \0 {5 x; y
- unsigned char buf[0x18];% V! v( G! Q- h7 n D2 c9 A1 z
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- fd = open(E2PROM_DEVICE, O_RDWR);
0 [4 U. F, F2 O: u5 y0 @2 y7 J - if (fd < 0) {
/ R" J5 k/ Z4 ~6 |' V - printf("Device %s open error.\n", E2PROM_DEVICE);
0 @6 W; a4 M4 f; W$ @' a# u. d - return -1;+ c4 e5 g7 D8 N; h$ g% D
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- arg.sub_addr_count = 2;2 U0 h+ B6 s% V: O, L* \( f5 h
- arg.data_count = 0x18;: l" E- |4 G5 y9 s# Y
- arg.e2prom_cmd_sub_addr = 0x290;9 o0 h/ Y. _2 W& S, U. x
- arg.e2prom_cmd_data = buf;
, J7 {3 a* F) K* E0 `% q( ? - ret = ioctl(fd, E2PROM_CMD_READ, &arg);/ H0 [/ Z1 o1 `1 b- g
- if (ret != 0) {5 B2 b) q$ M( l1 p7 b
- printf("Device %s read error.\n", E2PROM_DEVICE);
# B$ f5 w; E, n# w7 ] - return -1;( q4 p& M# d9 i0 T& [' O
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- memcpy(mac, buf, 6);
" o! p# F% M* V, t; q - memcpy(stbid, &buf[6], 18);
0 ~4 t% I [$ C& C8 ] - stbid[18] = '\0';
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5 H. G# }$ H* c- return 0;
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. `& w" u$ h0 N6 K2 q0 E- static int writeparam(unsigned char *mac, unsigned char *stbid)3 Z4 W, u: ]: ] Q
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- int fd, ret;* _* ]8 e# m3 n- W. S
- e2prom_s_cmd arg;) L: j+ O$ ]) u& c' G
- unsigned char buf[0x18];: p0 p0 F5 d+ x5 p
% P( A! t& N w0 J2 {- memcpy(buf, mac, 6);
; ?0 B' n. k \ - memcpy(&buf[6], stbid, 18);
4 y+ ^' N' ~4 r: H4 g" [- ` - fd = open(E2PROM_DEVICE, O_RDWR);; ~0 `! d" O+ u; B5 _: U! B
- if (fd < 0) {( p; T% t4 ^9 M, T& `
- printf("Device %s open error.\n", E2PROM_DEVICE);
2 ~7 L, A/ N3 c7 f - return -1;
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- arg.sub_addr_count = 2;
( k7 L& P& P9 s - arg.data_count = 0x18;: J" G8 z. w' t2 z
- arg.e2prom_cmd_sub_addr = 0x290;
3 i' e+ o& Y8 U* `/ V7 f* C - arg.e2prom_cmd_data = buf;9 U/ ]$ h3 c- R5 M
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);- I3 i6 X, v) F2 V: d) Z0 H$ @( K
- if (ret != 0) {& G# J- K4 N5 A: E8 o6 p. @% |2 c9 X
- printf("Device %s write error.\n", E2PROM_DEVICE);
5 t3 f# V, y% M7 w6 M$ D - return -1;! F% `4 |! _7 c! v9 v! }
- } ]3 Y! l' D+ r* }3 u- {
$ |9 o& l0 e6 ^7 K+ u- return 0;
9 E7 O' V2 q3 _4 P - }
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4 N ?5 m$ L7 i- int main()1 V5 p# R$ s3 A3 X/ i2 o
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- char c;, q/ `+ O- p; e9 e( T( x
- int i, macs[6];9 `- P& J/ B9 D( c( G8 S
- unsigned char mac[6];
% ?* E& |. W" z4 r H( u - unsigned char stbid[256];3 ^& B6 M# z7 K' U/ U4 V1 [4 H$ G3 P
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- if (readparam(mac, stbid) < 0)0 `1 W) k0 H, ^: r
- return 1;
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- printf("Current parameters: \n");5 O/ `" m, f; t. d$ h
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
4 h/ c }/ b: b4 S1 |0 w3 } - printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");! s4 K4 ~5 k/ q2 J: j
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {, H; ~% Q9 r$ l& H
- printf("Input MAC error\n");6 K: l- q/ V; m. h1 u- a1 o. _4 C
- return 1;
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" m" G+ b, i/ z, r7 @5 C - for (i=0; i<6; i++)mac[i] = macs[i];; W; P9 ]8 y. @
- printf("\nPlease input new STBID: ");. |$ C! Q: P8 j+ ~+ P( T: w( w
- scanf("%s", stbid);+ o2 }9 H5 I) ~$ C+ _- N
- if (strlen(stbid) != 18) {! U$ A; ?$ a( m( n, ^. F
- printf("Invalid stbid\n");
0 l3 B5 w8 `6 b! } - return 1;% p+ x2 h! |/ S5 p2 l0 c1 D* U+ U. t
- }
' A9 }$ J( ~; w* S - printf("\nNew parameters: \n");
! E2 g0 z% D8 l! U# L: a! @ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
# n4 `9 v d% X% G0 \9 _2 n - printf(" STBID: %s\n", stbid);
2 H6 ~% M8 K/ Y5 K! x4 `6 t - 1 V2 O" H6 S/ Q/ ?
- printf("\nDo you want to change paramemters? (y/N) ");
) `) v1 S* w: o3 h8 ~- P - for (;;) {5 P: U( U& j' t n- P
- c = getchar();
9 r8 i3 Q2 h" X' n - if (c == 'y' || c == 'Y')
& h) T: c) Q, x, }% o4 d - break;
/ J$ s' h/ q* J - if (c == 'n' || c == 'N') {
2 P; P9 ^. w) Y2 S4 a. M6 t6 N+ q - printf("\nAborted.\n");
" i! @! S* M6 _# E8 ~0 s9 e" F8 h - return 1;
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- }
% [7 [( p; ^5 P% Y+ n8 Z - if (writeparam(mac, stbid) == 0) 7 {* E; A0 L/ J8 i0 V
- printf("Parameters changed.\n");
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- return 0;
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