本帖最后由 0522 于 2012-3-21 23:04 编辑 # p5 I6 L1 ?& E6 t
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修改的代码早有了。到今天不会编译。
/ m( H0 r- i# W0 A需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
4 ?$ I3 ~) _$ h! S' y - #include <malloc.h>: F1 T$ k. S4 Q
- #include <sys/types.h>8 t: c M. k( H. m+ g6 H
- #include <sys/stat.h>
# ]$ k) t1 a/ S% [ - #include <sys/ioctl.h>
) k5 E) H3 B1 u! c6 c* I( e - #include <stdio.h>! o" x% H S$ K/ p) B% L
- #include <string.h>
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* @/ @" C, X) @: ^. w- typedef struct {
- d' V7 O0 ?& Q3 j& `8 _4 U - unsigned int e2prom_cmd_sub_addr;
0 o' f; @; S! T6 `2 A- l - unsigned int sub_addr_count;
* v+ v( N: r9 L! S7 i5 K& K7 B - unsigned char* e2prom_cmd_data;
0 P& U+ F) l) K8 \% k; @( F! P - unsigned int data_count;
: _* m/ Y/ U, g; c7 p - } e2prom_s_cmd;
6 ]5 F# z, g. w- Z# B* s5 [ - ( \% u1 l( _6 i" A1 Q# t
- #define E2PROM_CMD_READ 1! D$ }! A3 N* l4 h- C1 Z0 @
- #define E2PROM_CMD_WRITE 2' }; m- X1 I# K' d
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16", t2 D8 ^# j+ U; r; f @
q3 _! V7 z4 }4 p+ {8 y6 d- static int readparam(unsigned char *mac, unsigned char *stbid)2 n% D" C/ A; Q" @9 f
- {2 w+ |4 c! k( L: C! y
- int fd, ret;/ S+ c2 j5 K) {# C; B- L
- e2prom_s_cmd arg;
& ^8 _) ?) w# f3 R/ } - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
3 M) k( d; f+ `2 Z/ S2 H& I - if (fd < 0) {3 i( X8 Q$ J! f2 f
- printf("Device %s open error.\n", E2PROM_DEVICE);& h+ E0 u) [$ d3 F; d
- return -1;9 u. A+ p# @: T* I* s5 W+ U
- }+ @) T1 g8 T# a* l+ J8 |
- arg.sub_addr_count = 2;
: b9 ~6 h' }. F' R( t4 R4 U9 A - arg.data_count = 0x18;
# [3 c( E, f8 c - arg.e2prom_cmd_sub_addr = 0x290;
% Z% y' j. V: Y" ` - arg.e2prom_cmd_data = buf;# |- l* K# N7 q9 U+ U0 A3 G9 ~$ D
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
# O, e$ e' e* W - if (ret != 0) {
! C5 W( E- j& Q5 j& d: z3 S - printf("Device %s read error.\n", E2PROM_DEVICE);
. F0 J# E7 O3 x* Q, I - return -1;/ |4 U0 y2 L1 \% a, S$ C
- }
) j# Z! ~: [) x3 w4 A1 Z - memcpy(mac, buf, 6);" c6 y( N& X% \, i
- memcpy(stbid, &buf[6], 18);
) G9 }* y' i8 p7 [* [& C0 w - stbid[18] = '\0';$ g: {% G6 L9 l3 x
/ N* B% D$ ]) }' a: b- return 0;
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- ) V$ Z. X* c- p# W
- static int writeparam(unsigned char *mac, unsigned char *stbid)$ v( W* _ F* r* d9 n
- {
# x/ U% ~; |. S - int fd, ret;
, B( k3 K( c: \1 L6 D - e2prom_s_cmd arg;
3 G0 K, t3 A1 D- b3 L - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
2 @# c+ ?. L6 t - memcpy(&buf[6], stbid, 18);' s* T6 ^+ f! g% i5 a8 [$ x
- fd = open(E2PROM_DEVICE, O_RDWR);
3 g* B @! z$ A ?2 c0 d - if (fd < 0) {& Q$ p: [: x# | M9 w+ s
- printf("Device %s open error.\n", E2PROM_DEVICE);
7 e: b, L/ S* O7 D9 z t - return -1;+ n$ Z$ y0 L* C9 y! c4 n. B3 C
- }' ]5 |5 l0 C# M1 D& y8 A. O# t, l1 u
- arg.sub_addr_count = 2;
9 O9 k! Y9 A7 t' C' R& t - arg.data_count = 0x18;
. v9 B, t; h: r% | p - arg.e2prom_cmd_sub_addr = 0x290;
# O& n! R3 g& w, f% U - arg.e2prom_cmd_data = buf;
* h% D( C- M5 l2 }5 W - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);$ X+ F' G% i! }
- if (ret != 0) {
2 J6 s$ \( c$ n - printf("Device %s write error.\n", E2PROM_DEVICE);
8 n. W9 v/ y% ~5 e- z3 K - return -1;1 ?# K/ Z2 x ? D4 a! f6 X
- }
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- return 0;
5 l# ]& y- W% w$ ]) q6 m0 m - }/ |7 O- N- z8 D5 S6 C+ t; }
5 A4 F' _: U" `" k1 k8 v2 ^+ L$ l- int main()
3 _3 u4 y/ `" K2 y9 b - {
4 `- a% a0 S$ {9 [' }3 n6 m - char c;+ _! h& }4 A6 b1 g5 v# l) v
- int i, macs[6];
/ y* |; W& n* \7 U" B: } - unsigned char mac[6];: J/ t" \4 v0 Z! y( f" s5 ^% j
- unsigned char stbid[256];: \& a& _1 B: V( l* `/ K" \( D% Q
- 2 n1 i1 T; [/ O2 y% l! s
- if (readparam(mac, stbid) < 0)+ F1 ?4 N) W6 ], {8 x3 l# D
- return 1;
6 y. m. Y2 j* \& A! D* O' D
1 B- o% p, j4 Z7 z1 \ S- printf("Current parameters: \n");
8 I7 b: u" |! D4 f& ^' C* r - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);" [1 N8 r' a9 b- U8 a$ T' m
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
' a4 t4 \+ R O( x0 h+ k. k1 M) n - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {8 i" c2 f2 `# R$ s, y. f
- printf("Input MAC error\n");
7 D. g M9 @; ^8 v( D - return 1;. C" K w$ t: L+ e$ _# U5 A. E
- }
) a) z/ z: K# [9 C2 K+ u- A7 r, [ - for (i=0; i<6; i++)mac[i] = macs[i];
4 k' Z" w% a0 B+ |2 S1 j - printf("\nPlease input new STBID: ");$ q+ U% l( B0 Q8 W" w3 |! l
- scanf("%s", stbid);6 E2 g: h2 |' {
- if (strlen(stbid) != 18) {
+ C; k/ Q7 v- k6 h - printf("Invalid stbid\n");( q% [' T/ n# y* u: d
- return 1;; ~. r9 |7 t' e5 z# h9 f
- }
9 y7 ~' x3 v; y j - printf("\nNew parameters: \n");
& N+ b: q# r: a6 O - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);! h5 {/ N5 j, h: w) B$ A/ R
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");9 E) |1 l$ p% A V0 L- K7 \' g3 ]! c8 ?& ^
- for (;;) {
4 C" K) L& y4 ?3 m& u0 `2 B - c = getchar();4 [ B r8 d" N6 z
- if (c == 'y' || c == 'Y')
4 ~6 k0 z; Q+ F# ~5 j. J) y - break;
$ Z8 P. V- O# S. c% I, j - if (c == 'n' || c == 'N') {
0 F4 S X9 G4 e$ U1 Y - printf("\nAborted.\n");8 z% P- N/ V( R6 k3 b i/ G ~3 |: A
- return 1;& c- Z* K7 L: [+ c
- }. ~ Q* o2 U: I
- }; R: x. E0 W8 e8 O9 X! v4 N3 a
- if (writeparam(mac, stbid) == 0) - j5 i$ H+ k8 q1 x8 o
- printf("Parameters changed.\n");
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; M$ m" ^. {+ F- return 0;
6 R- _' n. H B5 D8 h - }
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