本帖最后由 0522 于 2012-3-21 23:04 编辑
; H m, v* y" e/ _; T) v
' N$ o6 }9 p- p- T" b- [5 s8 H. m修改的代码早有了。到今天不会编译。
" J2 M2 o! n( x" Z; f3 V- M需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>4 x" t, U4 h% b' F2 Q* O
- #include <malloc.h>
% @; Q/ C; a. G; N9 ~ \ - #include <sys/types.h>' d% t n5 u7 T! F0 C9 a
- #include <sys/stat.h>/ ], @ ?" K4 S% _: M+ \( ?7 t
- #include <sys/ioctl.h>
1 u8 U+ Y+ l/ T0 g - #include <stdio.h>7 x$ m$ @0 {3 x: t
- #include <string.h>
% u- D# m( x3 l# R. |0 ~ l
5 [# X& m3 g2 D/ J$ ~, w, P5 `- typedef struct {
0 S1 P* i6 `. y8 H X - unsigned int e2prom_cmd_sub_addr;
! s" ]& {, s. }7 u" j* q9 y - unsigned int sub_addr_count;
* ^0 x: |, h- l. U$ B7 c% Q" g1 ] - unsigned char* e2prom_cmd_data;
# T& x& Z! N# e$ E - unsigned int data_count;
7 t6 n9 M5 l' q9 ^3 O; w% a - } e2prom_s_cmd;
7 C( ~2 s' E: C/ @" Z8 C - 4 u5 `: E$ r D. L, B
- #define E2PROM_CMD_READ 14 i9 S" [8 |6 v
- #define E2PROM_CMD_WRITE 2
1 ~( E- O3 B- J& X, n6 n - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
9 ?: k! B) E4 o7 D1 n9 l" ^* g L - ) b/ I( @* `' @+ ?3 m& p4 y
- static int readparam(unsigned char *mac, unsigned char *stbid)5 ]1 P6 A y) ^6 V, a( k2 w* ]8 G+ i
- {) e' x1 L: i$ a7 q3 o2 I( r
- int fd, ret;; n. l! ^' _2 s0 P) p8 s1 b* G: X5 V
- e2prom_s_cmd arg;. }8 w1 g- r/ K6 Y' a/ F
- unsigned char buf[0x18];% V& g! d8 Q. r1 L" Q* }
- 4 o: u! K b) O, O1 T6 ]( A1 d' m
- fd = open(E2PROM_DEVICE, O_RDWR);
( A' ]- L7 T2 n: r: @ - if (fd < 0) {
3 X$ N! I" A' P8 d - printf("Device %s open error.\n", E2PROM_DEVICE);1 s( g% E& w) d7 j8 \" ^- T
- return -1;/ s7 g: s- o3 H! S+ R; H ` N
- }' D8 r% T2 }9 j/ z( e8 v( {
- arg.sub_addr_count = 2;! p, A7 [! b/ e/ b4 d
- arg.data_count = 0x18;' A' H: b+ v, O/ J
- arg.e2prom_cmd_sub_addr = 0x290;
0 W7 z ]' J! s6 J' w - arg.e2prom_cmd_data = buf;% y7 z, G0 k% W, j
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);1 ?% p, _" w! q4 _- O0 v
- if (ret != 0) {
! L/ q) Q4 J' |1 U/ y7 O$ f - printf("Device %s read error.\n", E2PROM_DEVICE);; L$ P" ~5 |2 N
- return -1;
0 Y1 D8 t0 W) H - }
0 K6 x0 U5 _7 V# Z$ b% W9 v9 j. N - memcpy(mac, buf, 6);
$ O% }6 a: F, [0 l& J3 r - memcpy(stbid, &buf[6], 18);7 ?9 D' j+ L1 V# e0 L1 e
- stbid[18] = '\0';+ v$ d7 f! e! E
; ~5 K/ @+ N& }+ K* B( H- return 0;
6 l+ W$ ^- b) o8 Z# H5 { - }
8 t" ^, n! z" } e( b; J( g& _ - 8 G0 h) @( V4 k8 ?$ ]3 v
- static int writeparam(unsigned char *mac, unsigned char *stbid)
2 h: n; l4 Z1 o7 c9 M& K - {5 _2 a# Q1 n8 Z
- int fd, ret;) r3 l3 a7 r/ `* T9 [5 J
- e2prom_s_cmd arg;8 Z8 Q1 d6 @1 r5 x
- unsigned char buf[0x18];
0 u6 |% n$ L! }6 l7 ?& F" g: m
: i n& x6 _7 s4 g- memcpy(buf, mac, 6);9 N, j2 } j4 M( y2 d, J2 z
- memcpy(&buf[6], stbid, 18);% y' R& I8 @; f% Z4 i& u
- fd = open(E2PROM_DEVICE, O_RDWR);
* W' u4 L/ P3 }# T8 j - if (fd < 0) {
: Z# b, A' Z( ?# z. E8 D K - printf("Device %s open error.\n", E2PROM_DEVICE);
$ a/ p- ^5 G' G; M - return -1;
5 z8 ] p5 K+ ^% c - }" R* n, q2 E) c; x9 t- @
- arg.sub_addr_count = 2;
I+ e e8 e/ \% T# {& } - arg.data_count = 0x18;0 q0 @; q( ~6 }& k( t( h3 e
- arg.e2prom_cmd_sub_addr = 0x290;
( _: w, K6 c1 {8 L2 E$ [7 M9 S1 O, G - arg.e2prom_cmd_data = buf;
' k, m5 M' W2 s6 N+ }2 @+ ] - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);0 M, S7 Y4 l6 O& K ?5 U- _
- if (ret != 0) {0 k" P- @3 H7 Y- u/ W; C- v
- printf("Device %s write error.\n", E2PROM_DEVICE);. T( o4 ?4 U3 B" O; A7 @
- return -1;
! N3 I r6 z: N1 k& F' s8 f% e9 X: d0 ~, P - }
) [* Z- e0 ^1 ]2 C3 N: ~5 L. o- E - ) q$ b! l& t6 N& D" Z: I ?% s
- return 0;
; P: G5 b1 {( T0 i9 M& C$ F2 l - }
5 `% p. z4 |1 q3 e) I5 x0 U - / n# D+ A) r6 F5 {. r
- int main()1 b! H& f% {5 [: \) F& h
- {
- r- Z# h/ F# _, {3 E& |+ ~ - char c;
3 D ^3 ^4 [2 q4 j - int i, macs[6];
3 P& y l$ D( J( g - unsigned char mac[6];
) i) ^9 ]- G5 x9 c+ J/ w( e - unsigned char stbid[256];
5 i4 O ]8 @( k& y( y( e
5 G; S+ T* Q: D4 [ k7 m- if (readparam(mac, stbid) < 0)
9 P3 d+ R( i$ _2 k9 | Q1 N7 { - return 1;
4 P- u9 t* N- u5 { - G, U- T5 B3 f2 z1 Q+ R4 \
- printf("Current parameters: \n");
" J% Q2 C7 c4 ~% B& ]0 u2 z - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
; q w; M: Y% C) v - printf(" STBID: %s\n", stbid);# U8 i% K6 S. U8 l
- 0 W5 @# W' }* P
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");4 n# |: u, Q: c- r
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {4 N! r* w. z2 q! h
- printf("Input MAC error\n");
* ^# X3 F t$ P; X- e2 {7 S - return 1;
: J v( O2 ?- E3 T9 n w; G5 \2 } - }- X% |$ B/ S1 I+ J/ N& Z. I
- for (i=0; i<6; i++)mac[i] = macs[i];( U5 D! o3 }" k0 J
- printf("\nPlease input new STBID: ");
1 c* n* `4 z4 C# @ - scanf("%s", stbid);1 r" Z c- }1 F& b. ?+ P
- if (strlen(stbid) != 18) {
7 O j+ O0 T- z/ b0 [ - printf("Invalid stbid\n");$ |) {3 Z8 @* M' W$ u$ u
- return 1;- w+ S! V; Q# N/ u% b- H1 N0 |/ t
- }
) R- f( y6 P$ H - printf("\nNew parameters: \n");7 ~: C( B4 X% i1 S. p# z
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);7 a& s3 Q# V9 \0 ~. ?: j
- printf(" STBID: %s\n", stbid);( U' g$ u5 M% q- i
5 ^/ t( @* P+ C/ u8 e- printf("\nDo you want to change paramemters? (y/N) ");
j# E: }, P) S/ _ - for (;;) {& Y/ a, G7 O5 b/ e. _4 ~: D- r
- c = getchar();
4 q# N2 ^$ n6 B( }1 \2 ~( e" \ - if (c == 'y' || c == 'Y')
6 N' e! _6 V, }( i0 W2 u - break;
% b6 ]6 |% y* ? - if (c == 'n' || c == 'N') {
I& ^1 a g1 b8 b4 {5 L3 a - printf("\nAborted.\n");1 f( Q; w$ W+ D1 X
- return 1;9 A) }- U2 y# P( y* M" s
- }
7 @* P [7 N% U: `* w3 B4 @+ y - }) O% p" X; w/ E5 T0 i% N& u4 w6 c$ j5 P
- if (writeparam(mac, stbid) == 0) 7 X/ ^# U0 c5 }9 @3 u1 k% t
- printf("Parameters changed.\n");0 B% K# ]+ X' o6 J3 [* r! j& H
- # p) H. t$ @* S* x
- return 0;
' b: s- S8 ? r - }
复制代码 |