本帖最后由 0522 于 2012-3-21 23:04 编辑 , H# u8 `) X% J4 o' m; l% V
" R1 x1 S& \4 y/ m8 A修改的代码早有了。到今天不会编译。
( t I+ Y: T9 n: x5 U0 |需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>8 O' P5 T" ~5 {( F* [" h6 {
- #include <malloc.h>
) x' D+ t0 d3 Z5 ]( z - #include <sys/types.h>( A7 q9 Z7 R+ i' K& P8 l% T
- #include <sys/stat.h>
5 D" M9 M! A* r0 } - #include <sys/ioctl.h>+ @8 |" {/ Y3 [
- #include <stdio.h>+ K' w+ N Y' S& H
- #include <string.h>
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1 T% ~5 [8 |# @5 H. t ^- typedef struct {; {& J! V5 b: O; a9 \
- unsigned int e2prom_cmd_sub_addr;) [ L# W6 M7 p
- unsigned int sub_addr_count;6 @3 g ^* y% D I3 i" \: q' n
- unsigned char* e2prom_cmd_data;, D6 x5 r8 R* |5 D# [2 } m
- unsigned int data_count;9 b% Y8 j. \# S* Z) Q V8 v7 J! ^
- } e2prom_s_cmd;
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$ O" m. S. w- A) V! `* W- #define E2PROM_CMD_READ 1
5 D: z$ d, l" ^1 g z" ~( g - #define E2PROM_CMD_WRITE 2' m2 k$ Z( D9 @8 r
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"0 \# ^( Z) F0 b; ]+ [4 M n$ Y
- 1 N7 ?, |' |! o j: X
- static int readparam(unsigned char *mac, unsigned char *stbid)
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$ ^: S1 b7 q1 ^3 c$ H( v - int fd, ret;; @- V4 O* r0 X: y/ o' u" W
- e2prom_s_cmd arg;
1 Y( t5 I! c) u3 b$ I - unsigned char buf[0x18];
# R( W3 _- B6 |; M) W$ U
+ I2 M; c" V+ ?* R- fd = open(E2PROM_DEVICE, O_RDWR);
; G0 }3 A" ?2 k - if (fd < 0) {$ u5 O' S+ n, p3 ], v2 M! s6 r
- printf("Device %s open error.\n", E2PROM_DEVICE);! L+ |" [0 a+ H* S3 ?* o
- return -1;- m4 Z' F7 \% E' _4 u5 X+ F
- }
# L5 V4 R) o0 b& Y; E; {: {9 @ - arg.sub_addr_count = 2;
2 k8 `5 ~- G% U i# I - arg.data_count = 0x18;/ y- G8 l( ]2 Y
- arg.e2prom_cmd_sub_addr = 0x290;
) f' o. s5 E$ S8 z' _: g3 X - arg.e2prom_cmd_data = buf;
* [' B. u6 p6 P4 ^! k - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
" e3 w" _+ @7 }$ l - if (ret != 0) {# U9 B+ Q' \! _3 {. W7 l# f
- printf("Device %s read error.\n", E2PROM_DEVICE);% y& j8 {, G |. f: }1 P
- return -1;
- b: L* C2 s6 e: j3 I - }
4 v: k' ]& Z6 r1 W - memcpy(mac, buf, 6);
% ~$ N' s& [& q( A% `% t3 Y - memcpy(stbid, &buf[6], 18);
8 O2 M/ c+ e! b3 s. U7 d - stbid[18] = '\0';5 p9 N% U+ a" Y: G+ {2 e4 a
- . I/ r q: q- @7 n% p Y5 x
- return 0;& y$ A5 Q' f/ u' k U
- }$ V% |# t d8 f% t
- 9 d# P! k. u, w0 {7 o
- static int writeparam(unsigned char *mac, unsigned char *stbid)
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% t. h$ g' ~9 U$ j - int fd, ret;; b; p2 k0 J" P5 E9 Y
- e2prom_s_cmd arg;
3 ]7 [2 ? ^1 W# \ - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
5 U0 X$ v, {0 J7 S - memcpy(&buf[6], stbid, 18);
- }" \( a$ A8 B$ f4 e/ Q, j T( f" i - fd = open(E2PROM_DEVICE, O_RDWR);" |" t: R4 z+ a9 b
- if (fd < 0) {* O; R3 g' A- P
- printf("Device %s open error.\n", E2PROM_DEVICE);
, ?& c I0 ?2 N& M9 [ - return -1;1 O: l( b+ s# W
- }
: u( R1 F! r# y% ] - arg.sub_addr_count = 2;, k. h- I* {8 x8 M
- arg.data_count = 0x18;
; J+ t# D- [& \8 J) j+ `) `; Z7 n+ d# h - arg.e2prom_cmd_sub_addr = 0x290;
8 Y8 M3 Q& t Z1 B: p) M4 K- {6 p - arg.e2prom_cmd_data = buf;
6 O6 z, [. ?5 O b9 X - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);! J t8 K% }: c, L& ~$ \2 ^- a
- if (ret != 0) {
* M6 ]- C7 {$ `3 l6 h - printf("Device %s write error.\n", E2PROM_DEVICE);
2 r: u) M- D* Y$ ` - return -1;
F" @% t8 u9 V/ U0 X - }
+ `7 S0 d7 A8 M7 G& |* x - $ R2 G, O2 z+ W
- return 0;
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" z$ R; C* |5 F: l% S8 F _* @9 q2 o- int main()- h5 L0 c$ x; x/ K- C( y
- {% e4 A0 \! h; w" @! K" o, e
- char c;
, O$ ]: `! }: k8 K! u+ B3 e# h3 J - int i, macs[6];
4 _$ j! w$ p# {3 s: y - unsigned char mac[6];, c# r! o3 h& B$ b& V; R
- unsigned char stbid[256];" l1 l8 U% @, V' H7 U. s
- 9 X; ~8 g- a, k; @! @* J( q
- if (readparam(mac, stbid) < 0)
6 q- k+ L; x6 T# Y - return 1;; `9 A3 t: }- W2 l
- $ ^! r! B$ ]% i& o5 t9 o
- printf("Current parameters: \n");9 h& {/ Z, D3 I+ _
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);& A" F3 A6 n4 s3 |3 ?# p2 L
- printf(" STBID: %s\n", stbid);
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/ X. M. J# H3 C Q - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");4 s: d, m) `# }% L% I& @& O
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {2 {& N% C3 W- W9 A& |
- printf("Input MAC error\n");; d6 `1 Q2 W" ^ _6 P# s
- return 1;9 U' f8 K8 F P" d
- }
( M R' p% M2 J7 J: b7 B2 t- N - for (i=0; i<6; i++)mac[i] = macs[i];" K9 s9 m9 h# ~" I; L6 j
- printf("\nPlease input new STBID: ");
4 X- y/ G; q% u8 X0 Y2 u - scanf("%s", stbid);
& l3 \5 F1 w& a7 Q; X3 i0 G - if (strlen(stbid) != 18) {* l5 a+ E! V9 F; ~' _5 l1 B
- printf("Invalid stbid\n");
( y& @( J4 p1 Q- b D: a - return 1;0 r- e# S7 G2 J
- }
1 @' x- \( j6 s. L& | - printf("\nNew parameters: \n");
+ H! @. G$ m4 _+ ~( s2 k - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
, W8 [3 z6 ^/ s9 A - printf(" STBID: %s\n", stbid);
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6 l# Q; d8 T/ O- printf("\nDo you want to change paramemters? (y/N) ");
/ w. s0 M/ t2 y; t% K' O2 g - for (;;) {& W' T' D' s4 j+ {1 K* u3 L) T
- c = getchar();" }7 D2 ]% w/ n* {) C6 n
- if (c == 'y' || c == 'Y')
& k6 h. ^. @+ d* @9 o" \+ @ - break;( a" J) j+ h% v- D
- if (c == 'n' || c == 'N') {
# w6 b& s1 f( H: s$ h - printf("\nAborted.\n");
5 ?* T- @& _+ X- U2 l* x - return 1;% B4 W9 Q1 l4 T
- }
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- if (writeparam(mac, stbid) == 0) 6 ~$ F* q L8 a
- printf("Parameters changed.\n");( u. \- ]( v" u
- + g: f @/ S* |! M
- return 0;3 |' e" ?$ v. t" r
- }
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