本帖最后由 0522 于 2012-3-21 23:04 编辑 ( B7 m3 Q1 a: {# k( Z7 w6 }2 G
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修改的代码早有了。到今天不会编译。 R- m# o9 T6 j2 r2 D$ ^
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>( p, e L4 [( V" Q5 n" @6 _
- #include <malloc.h>8 Q$ K. R: _) g) H B9 R4 x, E
- #include <sys/types.h>1 t4 ~! X6 I8 t6 W: K8 q$ k7 b
- #include <sys/stat.h>+ | U/ J6 Y# ]7 x& X% t0 z; Y
- #include <sys/ioctl.h>
! X* }4 `+ d7 P+ _1 j$ j - #include <stdio.h>
R7 m5 E6 \/ H: G! B" Z - #include <string.h>7 n" u; u) S6 w7 b+ j$ E8 W( v
$ ~1 u: U& e5 T$ S2 G- typedef struct {
- N1 U) m3 m9 j2 O" Y, n8 y - unsigned int e2prom_cmd_sub_addr;* r, I5 T1 ?' E' M% N1 T3 w. Q' e* G
- unsigned int sub_addr_count;
- a4 m6 p; v7 H& i; o# E3 ~ - unsigned char* e2prom_cmd_data;2 k: d8 \. p5 `
- unsigned int data_count;
, l7 T5 |2 k) V8 }' e) r; N4 |4 k - } e2prom_s_cmd;+ b& n2 r# h% K) U
3 X+ l! [/ w7 x7 H# p- #define E2PROM_CMD_READ 18 Y, y P- B4 ]; |. B
- #define E2PROM_CMD_WRITE 2; a- a- D. I; q0 i! D
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"" G% Y) G7 d, W |( Y; f& ?) F
- 5 f0 b+ U7 k6 e
- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;; g. T8 y3 a2 P" A) `
- e2prom_s_cmd arg;
5 m2 q5 w# D1 V7 @ - unsigned char buf[0x18];; p' e6 V [: _# K: k$ ^! @4 O6 d. ?
- 8 q$ n. [7 _$ U5 t2 }3 b) t7 B
- fd = open(E2PROM_DEVICE, O_RDWR);& v# s4 l% P$ W/ S5 X
- if (fd < 0) {! |2 ?; Z& _! \; `( S
- printf("Device %s open error.\n", E2PROM_DEVICE);
, t. O' \; C2 t, `+ ^4 l - return -1;' K( R! |0 u7 B* T9 s2 s& }& t7 \7 B, W
- }, B) A' [/ {( |6 W
- arg.sub_addr_count = 2;) T: `% e: D. F/ p2 }
- arg.data_count = 0x18;
9 Z8 `( \# s" b/ L& a9 S# v0 A - arg.e2prom_cmd_sub_addr = 0x290;3 X8 r& S! B& M5 y# k( K
- arg.e2prom_cmd_data = buf;
, z, }' Y! i6 d - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
: }; M% S) m9 b - if (ret != 0) {" v! J/ t! g5 t: ^( A+ @* U, y/ v# ?
- printf("Device %s read error.\n", E2PROM_DEVICE);) l/ P2 i2 E$ @! L" e
- return -1;" M0 }. p4 E I1 L4 S5 T
- }2 ?) t' I$ w6 }
- memcpy(mac, buf, 6);
4 r# v- @! Z0 R* @3 m - memcpy(stbid, &buf[6], 18);
( P- E6 O9 @& V! K5 u - stbid[18] = '\0';
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8 `: @- l" c0 Q( S- return 0;
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# j0 I7 D* r+ d5 Z- static int writeparam(unsigned char *mac, unsigned char *stbid)
0 u1 H4 B& R2 m5 M9 R - {
% Z* a6 `2 D! X; L/ z+ n% f - int fd, ret;
9 c+ ?$ r; f4 k( @4 I - e2prom_s_cmd arg;
# {/ B9 _( Y# h - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);$ d6 s2 @, K9 b
- memcpy(&buf[6], stbid, 18);
0 W9 Y9 C1 A; F% i, _ - fd = open(E2PROM_DEVICE, O_RDWR);0 z1 D% \+ n& h: D7 ?- u
- if (fd < 0) {
8 f% J0 G. ?! w - printf("Device %s open error.\n", E2PROM_DEVICE);
- T0 Q# @5 b% v# P - return -1;9 N9 l4 M2 s: I. A
- }
7 B' F1 `8 p# @1 u9 l( L - arg.sub_addr_count = 2;4 O3 v, K; l' ]. T4 e; k) v
- arg.data_count = 0x18;
% V) b5 y) S2 m8 @) u' }4 g - arg.e2prom_cmd_sub_addr = 0x290;5 W& ^: a1 C5 e/ u, M
- arg.e2prom_cmd_data = buf;
% E' e1 o$ m4 v. _/ h - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);4 u( U# d9 j, H& D2 p! l% O; Z6 x4 V
- if (ret != 0) {. r% r7 l$ r. l, ^5 n
- printf("Device %s write error.\n", E2PROM_DEVICE);
. ~7 b' a$ c4 D# K8 Z0 w: I" |4 b* P% { - return -1;
- L% g, f9 t; h. g5 B3 U) x - }
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- return 0; R7 t- v) @6 R. X; O# K
- }
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0 J' o4 G0 w2 r8 V& f- int main()4 F' j8 `# ~/ Q4 |
- {; M0 B8 |1 X* M4 D6 U i
- char c;* I' @* b, }& d- }2 x
- int i, macs[6];* u9 c; x2 ?: z- R k
- unsigned char mac[6];; k* t" B1 f2 k+ s
- unsigned char stbid[256];4 o' T3 [# q( j- ?! P
- 1 A. s2 i2 c) n, P# {
- if (readparam(mac, stbid) < 0)
' C3 ` t( C% \- H8 @3 B - return 1;, v/ V' p9 f5 i* ]0 }5 S) U
- , N% W U* l, S, C$ f
- printf("Current parameters: \n");
6 N8 j% h8 @/ ^7 I0 K0 i. h0 a v - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
3 f' X; a0 D8 J! B- T4 H# a - printf(" STBID: %s\n", stbid);! T9 i; U4 k- E9 O
-
+ ?9 D# s. R$ w: b6 Y - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
) u+ L' E' C- G( I. h) p. E - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
1 e$ H9 j; L/ u4 t( H - printf("Input MAC error\n");/ j0 g/ |6 K5 W6 n3 h t
- return 1;
4 Z5 }8 c3 j$ \9 m2 @ - }
4 A: f( D0 V2 P/ ? - for (i=0; i<6; i++)mac[i] = macs[i];
# p; z( K! ]' _+ \& E' K6 U7 X - printf("\nPlease input new STBID: ");- n1 H1 k5 l) P8 u" ^1 C
- scanf("%s", stbid);
0 \3 s1 H% _! q4 N' | - if (strlen(stbid) != 18) {
3 e6 h2 @5 l2 R - printf("Invalid stbid\n");8 l( D% i: _0 \
- return 1;
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- printf("\nNew parameters: \n");" E7 A2 `1 G% j' ~7 D
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
# C' H8 s; B7 O& i - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");0 U5 G8 u' U' z4 ^
- for (;;) {3 k+ r7 L3 z0 s$ h! O5 I$ i
- c = getchar();( F% l' a3 J, {5 h1 B! S
- if (c == 'y' || c == 'Y')
/ e4 w+ n( j, A2 `6 Q2 b - break;
# o+ p! e6 \ V: X3 u+ P# r4 @ - if (c == 'n' || c == 'N') {; m/ |$ m( ~8 _
- printf("\nAborted.\n");
0 S9 ?, O0 O, K( \ - return 1;
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- }
! T# s9 t3 C, Z: V; V: J2 O - if (writeparam(mac, stbid) == 0) 0 H! a6 V2 m, @+ L8 ]7 e
- printf("Parameters changed.\n");/ N7 e }0 X2 f: ~1 g
- 7 Q; @9 V4 ~7 k& J: U
- return 0;; T- w) o, \* E5 h
- }
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