本帖最后由 0522 于 2012-3-21 23:04 编辑 ; C# `: p9 K- x ^8 ~ o) P
# D- e' f3 H2 v4 p* k( a5 I. t/ X: @
修改的代码早有了。到今天不会编译。) p% W. G: | ?% d$ G" u$ _
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
! z/ s$ y) V4 [- { - #include <malloc.h>
5 ~; H S0 Z$ H7 h4 _4 Q/ a# X - #include <sys/types.h>0 V; v8 T6 ~; m+ ]3 c! Q
- #include <sys/stat.h>
7 T" {, c G( ^2 R( _5 O2 ^. Z1 o - #include <sys/ioctl.h>! K" [+ N9 |6 `9 D0 o8 u* i) B
- #include <stdio.h>
1 f$ {) V( t- v1 k4 E - #include <string.h>3 w, `% f* [4 M( \9 ~, T- {& s
# H; o; @% Q6 G8 V t- typedef struct {6 v' C) K5 F% o3 v) h
- unsigned int e2prom_cmd_sub_addr;
i* I+ O; q/ c: S2 Q/ H% v - unsigned int sub_addr_count;: k7 O9 E% m9 R5 S$ N+ b, j) K, _
- unsigned char* e2prom_cmd_data;
. `% B5 g6 y0 E8 b1 B% B - unsigned int data_count;; \8 [3 _1 }9 c4 b4 R. a
- } e2prom_s_cmd;
: `( t I; B k5 B/ m
8 M/ [5 u# C2 G, ^$ @4 |- #define E2PROM_CMD_READ 1" w! \, c3 n, T2 \9 _
- #define E2PROM_CMD_WRITE 2' a! p# F; J7 t
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"1 @0 ~. N3 O- O; Y. O
- ; ~4 U+ L6 k( f
- static int readparam(unsigned char *mac, unsigned char *stbid)
& b- W# w% B% e" S9 w1 { - {
. i+ n' L1 Y' {; y$ Z, d - int fd, ret;
7 K! E- Z) Q" d% e5 L& P - e2prom_s_cmd arg;% w' F, T5 F, B! ]5 I
- unsigned char buf[0x18];4 X) D& G8 G) k: i* V7 G- A" H3 \) z9 J
5 C! B) c+ l) {; L) `- fd = open(E2PROM_DEVICE, O_RDWR);
- S8 g3 B& `4 L! ] - if (fd < 0) {
9 G M# K- h7 [+ r& q3 _ - printf("Device %s open error.\n", E2PROM_DEVICE);# y5 ^: ^9 v8 z9 C0 T
- return -1;
V$ }7 M; n' s) ~ - }
1 D _! x6 r" B% H$ S - arg.sub_addr_count = 2;
* [2 `) `7 f& D7 k" c$ @" |4 Z. y: x+ o - arg.data_count = 0x18;
. Y' V# `- e% x8 w1 W - arg.e2prom_cmd_sub_addr = 0x290;: G( C' @5 p& H4 b/ L V/ @
- arg.e2prom_cmd_data = buf;
4 s0 z' D- F. G% U+ Y8 V8 m - ret = ioctl(fd, E2PROM_CMD_READ, &arg);6 s+ }2 y* G! U/ p( Z% H
- if (ret != 0) {+ x; G2 J( R) p. P
- printf("Device %s read error.\n", E2PROM_DEVICE);
7 D3 y2 x. s% H3 u( x- R1 n - return -1;! O8 a+ H$ Z8 b* f4 h1 B
- }
( |- k: [ @4 g; }8 f. M+ x% ` - memcpy(mac, buf, 6);* y4 D7 e8 [7 g3 Z3 r/ n; e2 h
- memcpy(stbid, &buf[6], 18);
1 Q7 B2 K2 ^3 U$ r - stbid[18] = '\0';
+ a2 \8 b, U- {% q! I9 G# w, |
i# x/ p" ^# A# w. _5 q- return 0;
# x; b% _0 T# W - }) \$ h, X, m( g
- / H4 D0 F3 [- W/ Y
- static int writeparam(unsigned char *mac, unsigned char *stbid)
* c6 k. w2 `! l+ v. ? - {
* r1 L7 A0 V7 P$ h8 ^ - int fd, ret;* f3 S- N2 @0 F! t
- e2prom_s_cmd arg;8 ^2 z: B% y% A& d: Z8 Y _' Z ~5 M
- unsigned char buf[0x18];4 W4 E. d& V. a( ]. w2 U
- 0 E D& K8 P" c- u7 t
- memcpy(buf, mac, 6);
! L' L3 `' A* p4 a. c - memcpy(&buf[6], stbid, 18);2 | n9 a: ] u1 }7 W; A, h" p T
- fd = open(E2PROM_DEVICE, O_RDWR);- j- w; y3 Z1 {. K" a
- if (fd < 0) {, Z5 H0 y3 @; }7 C3 V% V7 d& G C
- printf("Device %s open error.\n", E2PROM_DEVICE);
/ a/ t' E9 ]4 p - return -1;$ t2 E" ]' c" j$ m, L+ {
- }
* v) l% w& C5 A7 w& ^& u - arg.sub_addr_count = 2;
6 p. E0 P3 r% M/ Q1 }0 V( ? - arg.data_count = 0x18;
. e7 n4 I# i, I, }! R; f8 i& m - arg.e2prom_cmd_sub_addr = 0x290;
" b- e& b6 X6 X( ]6 M4 [# q- ] - arg.e2prom_cmd_data = buf;9 l/ Q* k' S# u5 n" ?9 q; |/ c% M1 z
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
- g, j' M* P& C" [2 v5 M - if (ret != 0) { {2 G& o# F0 l/ j* Z, Q
- printf("Device %s write error.\n", E2PROM_DEVICE);. n8 m/ z/ \& Q, ~9 O
- return -1;
$ u9 Z! z+ Q' W% `; R& v1 ` - }* M# ]- a! I. C2 s! }2 R
- 9 c2 U, I9 I2 U
- return 0;6 F* n% [/ |. V$ p) C
- }- [$ N C' S; h8 }6 @
. H+ I8 v6 o$ t1 }5 I* F$ H- int main()2 D8 _# l9 }4 }
- {1 ]8 ?. D! K; {
- char c;; g# J" H, J$ ]# u# m, L+ B ]6 Y
- int i, macs[6];
2 q+ ~3 C# m; M. H. \) P) l - unsigned char mac[6];! n8 M/ H- a8 H; r7 F8 B; g) k
- unsigned char stbid[256];5 G) R V6 ~2 B0 C- A
3 c- c) C! g, y- if (readparam(mac, stbid) < 0)/ f. B5 M1 k$ a" c) \" d. c
- return 1;
/ B! c4 F: ]9 }% }) @ - . z5 v1 \+ f- E) X6 m
- printf("Current parameters: \n");, z) }+ M$ A6 n& V* R" s5 ]
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);; b0 u( h7 I8 |! e3 J$ J: l% O
- printf(" STBID: %s\n", stbid);' \1 D+ t" ]+ ?6 J" m
- 2 B2 S, j1 Y9 t% K; t
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");/ V) n( H1 O" ]; ?
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {6 m) {6 e. J8 B+ Q
- printf("Input MAC error\n");) S) N, \3 D6 i+ {
- return 1;
4 ~, y; L- ^( M# B6 ], p - }
9 @$ ~0 V4 @# r; j$ g - for (i=0; i<6; i++)mac[i] = macs[i];
7 f `1 z# p& r( h( B! q2 I - printf("\nPlease input new STBID: ");
" n7 M1 x- F, S/ T T" O' F - scanf("%s", stbid);- D3 i. P9 ?/ w6 ?& u1 o
- if (strlen(stbid) != 18) {, x |7 Y. J9 R [3 o
- printf("Invalid stbid\n");) L/ w* Z B3 x8 I# i
- return 1; R: c, y4 N1 x# I+ o Q: m
- }
# a, F6 @& e, ^: Y - printf("\nNew parameters: \n");. ]: A8 ]! d. Y
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+ X+ n' F" u9 q/ B& N4 ?6 ^ - printf(" STBID: %s\n", stbid);
, |! O5 k/ D: q/ \! ?, ~
( Y" l0 q9 B5 k) }; W, X- printf("\nDo you want to change paramemters? (y/N) ");" q' y8 T6 {! ~
- for (;;) {* k2 t B1 q0 G+ T9 c4 I
- c = getchar();
- @1 J& |5 @: P( |, b - if (c == 'y' || c == 'Y')
8 G3 u/ g6 U( ^4 P+ m8 U( W1 d - break;2 g) V" C; {' }3 S2 q9 D$ @3 K
- if (c == 'n' || c == 'N') {2 U h( r* h4 X; L
- printf("\nAborted.\n");
% @8 R( j9 l8 g - return 1;
8 @/ o+ {5 o" h# b, _ - }2 ^, x2 N4 V) f9 C
- }8 R. i# c, e. b8 t2 E& q
- if (writeparam(mac, stbid) == 0)
$ u2 y( [2 b' y - printf("Parameters changed.\n");" C) c' c0 |0 I; d. X% T
, l2 i! } A' z7 S1 D% H- return 0;
) F/ \( R/ E; ?8 z6 Z+ i+ X/ z3 J - }
复制代码 |