本帖最后由 0522 于 2012-3-21 23:04 编辑
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修改的代码早有了。到今天不会编译。
* |5 w; ]9 B! V1 @. w需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>3 }" }% q& V/ l( F @
- #include <malloc.h>
9 u h% O* ?5 B: W - #include <sys/types.h>
2 G, E' }4 m3 s- B' }. k! f) m - #include <sys/stat.h>
5 x1 q B( V4 m - #include <sys/ioctl.h>
8 Y/ [1 P- R" x! f) ?3 S - #include <stdio.h> @" P0 i$ Y& a/ P
- #include <string.h>
6 L! s3 Z( K4 i+ _4 ? - ( u( y; F6 M4 O) x& r
- typedef struct {7 a: o" k y; O
- unsigned int e2prom_cmd_sub_addr;
9 S2 \" x; F& {; M1 X9 N - unsigned int sub_addr_count;
0 [ U$ `3 [6 k& b - unsigned char* e2prom_cmd_data;0 D; I* c; P) \* m
- unsigned int data_count;; S2 {) b& p9 J6 l, e4 R) Q" P, K
- } e2prom_s_cmd;
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0 X) Z/ {* Q- _9 @+ d- #define E2PROM_CMD_READ 1' A9 w7 v5 r$ G* K
- #define E2PROM_CMD_WRITE 2
+ e. V: L- g9 K" ^2 K8 G! ?0 s - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"7 P; n3 T# P+ A6 f9 D! h) ~6 y
- : T" k, H$ O: u' O# C- h/ F
- static int readparam(unsigned char *mac, unsigned char *stbid)4 a! h# H7 g3 v2 t' R! l
- {# ^9 S. B6 R0 _. o9 b6 K1 O
- int fd, ret;% [: Y1 G8 S2 ?4 d0 D/ v. F- c; J
- e2prom_s_cmd arg;
. w* _! v$ ~% v# J$ y$ B$ ? - unsigned char buf[0x18];
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5 {- Y9 v8 y! T# x- fd = open(E2PROM_DEVICE, O_RDWR);
9 G0 Q; Q9 g3 U# M - if (fd < 0) {) `6 Y4 ~' [1 [
- printf("Device %s open error.\n", E2PROM_DEVICE);0 ], n1 X$ Y9 |. G _/ Z
- return -1;7 U: u/ i& f O1 @
- }' C5 r/ G k; @2 z% x
- arg.sub_addr_count = 2;
! T$ z8 V5 {, F3 k* o& K - arg.data_count = 0x18;
, @6 @9 D# B* [7 X - arg.e2prom_cmd_sub_addr = 0x290;6 J' r7 P7 }" t$ z8 x
- arg.e2prom_cmd_data = buf; s. q: ` p8 u5 n* M8 Z
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);) K& V9 v; O' q0 Y
- if (ret != 0) {. I2 i2 u; I7 ~0 B) N; Z
- printf("Device %s read error.\n", E2PROM_DEVICE);
0 C' b J+ k. D; k/ h - return -1;5 W/ _( S0 h- D; E' v
- }5 [- Z4 ^3 V7 L
- memcpy(mac, buf, 6);
4 u# ]; T6 b3 T- _* d1 a: _- C - memcpy(stbid, &buf[6], 18);. A5 H2 {4 E8 r. |
- stbid[18] = '\0';$ J$ ?+ {( d0 ]# q
1 X$ @3 a6 T1 [! E1 W- return 0;
6 F7 `$ O( @/ w- k! {0 T3 u: y0 N - }
7 d9 _, q, c) O1 W - 3 B1 S5 `! Y+ |- [) u
- static int writeparam(unsigned char *mac, unsigned char *stbid)
# g4 E& q& V" w# f8 j! L5 [% I - {
+ x; U, h+ C. ?$ T- s! ]: M5 `: E - int fd, ret;
$ l9 q$ w' X! y2 w4 z+ h - e2prom_s_cmd arg;3 J- h# C' W5 q
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);1 D0 [. \+ Z$ ?, L0 x' u: ~
- memcpy(&buf[6], stbid, 18);
' N) b- G' b. |! A0 z - fd = open(E2PROM_DEVICE, O_RDWR);% g- z' \) ^: E. r5 U3 l
- if (fd < 0) {( k4 b2 U8 i4 Q: E8 U
- printf("Device %s open error.\n", E2PROM_DEVICE);% ?5 f9 y9 a8 ]& s @0 N% Y/ E
- return -1;, t- q* ]- _. y1 ?8 r
- }" U% i" C. Y( n' h; U* J4 Q
- arg.sub_addr_count = 2; b$ [$ @2 ]2 N3 U# `0 Q' Q
- arg.data_count = 0x18;+ M. \+ b# \% F0 N, I# x1 ]; d7 ?
- arg.e2prom_cmd_sub_addr = 0x290;
2 _$ X& j3 j' L3 K0 e - arg.e2prom_cmd_data = buf;
8 m! E; z( T8 \1 j" w - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);! g; \" B: m8 ^, L+ X8 s
- if (ret != 0) {' q* L6 }$ ~; S' y! {+ ~
- printf("Device %s write error.\n", E2PROM_DEVICE);
5 y% s6 B% l8 b {) s - return -1;( l9 `8 W, r+ b, h
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- return 0;( Y! L7 Z9 `& E( ]3 c# N" u/ _
- }, i: U" r/ j% m4 X B
) @" I6 L$ `1 X; R* o& H! q' Y- int main()0 k3 f3 ?) _# i5 d
- {
' B) s2 ]0 m3 A! L - char c;. K/ L! W. G- u% A
- int i, macs[6];
: j+ S/ b. J$ }2 @ - unsigned char mac[6];7 l: R) n2 c$ K5 k, }* ^
- unsigned char stbid[256]; G* g, A' p/ ], j
- & [, Q* T: u3 y3 ]: {) T, J3 @
- if (readparam(mac, stbid) < 0)4 ^) @# e$ F; m
- return 1;
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, N" U" H) Q x- printf("Current parameters: \n");
9 ]& \; N8 a: H - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
: a6 L( T0 i/ W - printf(" STBID: %s\n", stbid);- W. R1 ]3 S8 N9 t$ I- A8 u! w
-
; s% f2 v6 @( G5 [8 A - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
+ r6 ^3 S M5 I - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
8 O2 \& _' Q- w6 ]$ G! P - printf("Input MAC error\n");
9 r1 Y8 Z+ b& I( B" |& R - return 1;
) B, {* Y9 ~ a* G; V - }
" O4 P* e- o/ U - for (i=0; i<6; i++)mac[i] = macs[i];
3 j- C( ^* L: d8 m; G% v; | - printf("\nPlease input new STBID: ");
0 v- g" Y" }) g, @# P' X7 U+ { - scanf("%s", stbid);
; |7 Z3 f6 N: U9 _$ ~ - if (strlen(stbid) != 18) {( G1 X* J0 c' p" S
- printf("Invalid stbid\n");
8 s: n) ], g1 ~* V& I5 N - return 1;
1 w; `- k( |: `4 X6 O V' T9 V* j8 ? - }. E2 k6 R) u: \& A- _9 ]) A6 N- C
- printf("\nNew parameters: \n"); A# E, g. x, D1 J# q- ]3 {
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);9 B+ i% O8 H# l7 R7 i
- printf(" STBID: %s\n", stbid);5 R6 ?6 r% H. B8 j: ?; O
- % f3 g4 B3 w t6 x- q
- printf("\nDo you want to change paramemters? (y/N) ");
8 h; h- ~. t& Z7 r" E( Z0 R - for (;;) {$ M( \* d+ e8 q2 O7 e6 `+ r& j! T: I! D
- c = getchar();
8 n: v3 `& U# } - if (c == 'y' || c == 'Y')
1 ?1 z( c- a) u& a y - break;
" I2 ^ t k7 n - if (c == 'n' || c == 'N') {
7 ~. O t# J% E( A0 V) t - printf("\nAborted.\n");
$ t- o5 V% ?# o' R: e9 p9 a6 _ - return 1;0 l& H) M6 Q9 `' j% l
- }* v/ p" W1 {1 F* I, l- e
- }
+ {$ L! X4 ^& u8 ^ - if (writeparam(mac, stbid) == 0)
E1 n# B; a" _ - printf("Parameters changed.\n");, j( y0 y1 \ K" L
- / J( u0 c7 B6 q2 b
- return 0;( ^6 j+ v) J5 z
- }
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