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 v8 D; q* y/ c: e7 g
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>6 Z" h* ~, R; H$ h
- #include <malloc.h>
# ^; ~6 d2 o9 v, X' ] - #include <sys/types.h>7 h. g! }9 {, h1 F: X2 |
- #include <sys/stat.h> g1 q" b- b) p/ h
- #include <sys/ioctl.h>
9 _: O S7 u4 h3 p1 ~6 S4 x+ |% n, F5 p - #include <stdio.h>5 S3 @$ t& Q s$ D# p9 V& o; u
- #include <string.h>4 i- M- c) ~) A* t/ W2 S
2 P2 t" m M/ k. m- typedef struct {
+ b0 B: E, {: X1 W - unsigned int e2prom_cmd_sub_addr;9 t0 o& C1 \- g9 M. `1 {
- unsigned int sub_addr_count;
- ]1 U3 u( W9 Y8 a - unsigned char* e2prom_cmd_data;
2 t/ }* v& S m" Y( }; ]2 V9 I - unsigned int data_count; S t/ f1 e9 f+ U
- } e2prom_s_cmd;
" R7 _3 H# O5 O% | - " E% t$ R2 {: p
- #define E2PROM_CMD_READ 1
% A2 |7 _: d' D0 M/ e - #define E2PROM_CMD_WRITE 2
7 i7 K# s$ m4 w5 S% b - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"1 C* j: }, U8 @! N$ z% |
- 0 p: b6 s7 \3 o: |& r
- static int readparam(unsigned char *mac, unsigned char *stbid)1 n6 t9 [ y# E
- {
. y- j+ |; a8 R/ K( c, y; g7 ] - int fd, ret;" |- O: T9 ^$ L) c
- e2prom_s_cmd arg;
+ N; h0 T% O) K( r - unsigned char buf[0x18];" y$ D% `$ l- v( @
# W' k+ t7 R$ O) h4 [- fd = open(E2PROM_DEVICE, O_RDWR);& e: H0 C# o: Z! i5 @6 E1 c
- if (fd < 0) {
* J, r! b* \! w6 s$ e& U - printf("Device %s open error.\n", E2PROM_DEVICE);9 |) Z8 U7 @: q/ E3 f% X3 i2 Z
- return -1;
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- arg.sub_addr_count = 2;
# w; A, R7 t5 t. T9 I; m9 L - arg.data_count = 0x18;: x" i+ R4 J' f9 z1 h+ E
- arg.e2prom_cmd_sub_addr = 0x290;
8 e2 v, B9 Q2 R$ w, w - arg.e2prom_cmd_data = buf;
2 L! ~: E4 O9 C+ \ - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
/ V* F; m* l; [5 x" { - if (ret != 0) {, X/ Q; C3 s9 ~: |8 r
- printf("Device %s read error.\n", E2PROM_DEVICE);
/ l: e% e3 h ^ - return -1; ]/ y$ G, V; c1 s
- } u! J9 Y. m$ Z8 l- ~* ]0 z5 O* G
- memcpy(mac, buf, 6);
# s$ Y \& j8 X9 M( G! Q - memcpy(stbid, &buf[6], 18);
/ p3 `* b- @* `7 a1 e+ i' _ - stbid[18] = '\0';$ n$ ?) K& w9 n: y( g. x( E
8 ^; m$ {+ c1 M# H5 Z- return 0;# `$ G4 H H0 r8 f4 m+ J
- }% Y" U1 I8 o; G
- % @& V+ T0 @) y9 K2 R% G
- static int writeparam(unsigned char *mac, unsigned char *stbid)* j9 L% R, M# S/ R# k) V: W7 Z4 ]
- { `6 k2 |4 ?2 L3 Q. z+ o8 d/ ?
- int fd, ret;
" v0 H/ E* C. j: `0 J - e2prom_s_cmd arg;* S+ l( h5 {9 ]& H7 [' q' g
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);2 g; W5 t5 X4 g5 {- ?) o
- memcpy(&buf[6], stbid, 18);) o: y) F" Z* w. x
- fd = open(E2PROM_DEVICE, O_RDWR);
/ _5 w% K8 a8 B6 o/ ?, o. y - if (fd < 0) {
3 l5 M5 l, `3 w3 N3 R& Z2 B - printf("Device %s open error.\n", E2PROM_DEVICE);0 ?. ?$ k7 J/ U) U
- return -1;
4 u s' H3 \; I2 ]- x5 Z - }
7 K/ p0 }/ ~' \2 J+ F6 R# L - arg.sub_addr_count = 2;! j2 ^3 f- }" j7 k% j, F' k8 c: y
- arg.data_count = 0x18;
! {" Z- t7 d7 X! f - arg.e2prom_cmd_sub_addr = 0x290;7 I) o! L, u9 ]# e+ F
- arg.e2prom_cmd_data = buf;1 u( n: \3 }( s! n
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
- i# i2 @3 C K) t2 [0 F; F5 s - if (ret != 0) { M9 S4 R5 S% U4 j+ f
- printf("Device %s write error.\n", E2PROM_DEVICE);& [& k& T9 C0 m9 e9 B, e
- return -1;" e' n* @( b- ?! p* n3 \
- }4 ^+ I g' J7 M% h% Y
" g. l- S7 a2 E1 I" z( h& T- return 0;4 v6 Z+ G1 D/ e9 l& B ~1 l
- }
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- int main() z8 |. O8 a! f& l3 V. q i9 M- w& p
- {. H4 f2 T) x. M x
- char c;
- E. Z, ~& I+ S j - int i, macs[6];
6 d# e7 X6 l' Q. F- C: z - unsigned char mac[6];5 D/ {4 a6 H" V& V: {
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
9 ?7 v9 d' ~( L. o - return 1;! }" B3 E) Y0 o
% z6 M3 R- N0 u' ]; j$ O- printf("Current parameters: \n");, }1 |& a1 Q) d! [$ S. O
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);6 X. b: e/ m/ L
- printf(" STBID: %s\n", stbid);
, z6 q6 D/ M% _ -
% T H9 w7 w% `: d - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
' \7 }3 P0 J; Z& {% i: ] - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
$ I% f: ^3 ?/ ]: L/ P/ A - printf("Input MAC error\n");
2 X9 p3 {% t- @0 f ]2 ^ s/ n1 D - return 1;
4 R! S+ ?: t# W* C& g4 r. E - }
5 t& J# [% e9 h, e: \ - for (i=0; i<6; i++)mac[i] = macs[i];
u8 d4 V# S: `+ k - printf("\nPlease input new STBID: ");4 b0 i: S# J7 T7 p9 G( O: f
- scanf("%s", stbid);# V# w# E |; ]0 d
- if (strlen(stbid) != 18) {0 [6 d. |+ c, D) W9 L
- printf("Invalid stbid\n");8 D5 i9 c# j9 ]) R* c
- return 1;
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- printf("\nNew parameters: \n");
% j0 f7 f" E- |) C2 M - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
- L! b% G, w' | - printf(" STBID: %s\n", stbid);
# m' _$ @ j: A, p! [ - 0 Y- |% `+ o5 Z3 B
- printf("\nDo you want to change paramemters? (y/N) ");5 h7 v7 K9 g. K9 F: P
- for (;;) {
5 A1 P. b9 y( A4 t0 [$ N! f - c = getchar();3 W/ q; G3 Q/ D* q6 I
- if (c == 'y' || c == 'Y')2 p: F- [7 S. W; z4 M$ E# w
- break;
5 g& ~3 A; U* z# b4 ]9 l - if (c == 'n' || c == 'N') {
1 |7 g/ t8 q: I; s# L- x$ v - printf("\nAborted.\n");2 v& l7 R% |' W/ N% C% P
- return 1;
0 f8 Q* z4 ~; e0 l - }
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- if (writeparam(mac, stbid) == 0) * m% X r8 K O) v
- printf("Parameters changed.\n");
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- return 0;: f, g; ^) V: Z {: h5 l
- }
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