本帖最后由 0522 于 2012-3-21 23:04 编辑
p7 v6 a7 n3 f! ^& n% P. ?5 c% F7 l7 J0 T J
修改的代码早有了。到今天不会编译。0 ]4 M: X- ^9 h U
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
0 ^, ?; M! V& K3 V3 I7 ~6 Y - #include <malloc.h>1 R# ~1 U4 ~# x2 `4 Z) j
- #include <sys/types.h>
3 U8 n* Z7 @5 a2 H- }4 ] - #include <sys/stat.h>
0 L" P2 u( `5 {* `% W$ A. o1 o0 s6 ^ - #include <sys/ioctl.h>
; }5 c7 x9 [, M4 _" a - #include <stdio.h># R* n+ t5 X. m Y) Y) ~( U
- #include <string.h>! T( F) X2 r, w" M" ?+ V% }0 |* n
- 0 z' P& m2 t B) Y2 s
- typedef struct {
. s! n7 f7 B7 A, ?! }# S0 T - unsigned int e2prom_cmd_sub_addr;0 s& g, C$ B( t# n1 s; R; `
- unsigned int sub_addr_count;) y& H. x9 [ f
- unsigned char* e2prom_cmd_data;
) J8 k2 X$ W- { - unsigned int data_count;9 T2 n9 q q9 {7 {: S
- } e2prom_s_cmd;
" y* F3 H# L; o# S9 y& h5 ?- I - 8 j* g3 l W- x) O* |' F. n
- #define E2PROM_CMD_READ 1
% I% s. `5 C L9 J, w- l - #define E2PROM_CMD_WRITE 2. O9 Z) U# u# }
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"9 s f, F: T+ D# a
/ M8 @. e% Q p# O, C7 Q4 {- static int readparam(unsigned char *mac, unsigned char *stbid)2 ^" n1 s! [9 `# V
- {
/ p% g7 y6 z+ w7 y* r1 p! M - int fd, ret;' J1 @4 p7 ]' e0 a# e% _( ]
- e2prom_s_cmd arg;
. j4 h! E4 n0 {3 ]3 l - unsigned char buf[0x18];
3 d& E9 P/ x# R0 W& w2 Q4 ~1 T - 0 A7 P. l0 k5 |; h3 U) J3 B
- fd = open(E2PROM_DEVICE, O_RDWR);
: o. u0 o/ p: ~ - if (fd < 0) {' g, g5 l9 w; p/ |% Z6 ?
- printf("Device %s open error.\n", E2PROM_DEVICE);2 |7 A4 l" F' h! I
- return -1;
( {+ n( u, c, y) b1 s! C; t3 |, l - }& V. {4 X. \. N* V: d9 K+ R
- arg.sub_addr_count = 2;
9 ?# F4 M* u" } - arg.data_count = 0x18;) Y7 f6 ^' G9 Y
- arg.e2prom_cmd_sub_addr = 0x290;- }: p0 u/ {4 u7 r6 P- [0 `) `+ V
- arg.e2prom_cmd_data = buf;
) n. m. H+ V4 S - ret = ioctl(fd, E2PROM_CMD_READ, &arg);* w! {0 d- b* r# a7 J
- if (ret != 0) {7 s3 b0 G( @% r1 u3 U
- printf("Device %s read error.\n", E2PROM_DEVICE);
7 L8 q: H4 i6 c6 O) I - return -1;
2 l( x6 ^. R% j - }
) A& p7 |( R- l - memcpy(mac, buf, 6);
( v$ K5 t* Y) y8 \( H, n3 f - memcpy(stbid, &buf[6], 18);
: f3 G# W' H; V( ~ - stbid[18] = '\0';
) k! I2 E# s: T2 E) ?$ n - # ^3 u' B( b# ^8 [3 n3 {
- return 0;
1 g- x( v; K7 [. @# P - }
% m/ Q! [3 W- n$ O" _& f+ g
) B- [3 x7 G) o, ]- static int writeparam(unsigned char *mac, unsigned char *stbid)
4 A! u' m- |3 \& `( I4 G - {
& P5 P7 u+ F Z* @6 j% P' q7 \, p - int fd, ret;
3 b2 {' ^+ u" ^* z8 Z* K - e2prom_s_cmd arg;% s' Z- F$ o a7 [( [
- unsigned char buf[0x18];) A/ [& K6 b9 I$ ^9 v. ~
: k- H5 u5 G4 P- memcpy(buf, mac, 6);
' N/ K3 }& a* R8 c9 m ~! c) Z - memcpy(&buf[6], stbid, 18);% e2 z3 R5 G ^! y0 Q" Q
- fd = open(E2PROM_DEVICE, O_RDWR);0 }; Y; \3 m4 X% B' Y' A
- if (fd < 0) {
6 E: N' W3 p5 B A! y6 A* e9 {! h - printf("Device %s open error.\n", E2PROM_DEVICE);6 }$ v; z/ _7 Z' [3 c) g
- return -1;, O6 E4 A& I K( ^
- }; L8 X/ K& W% \( K9 u
- arg.sub_addr_count = 2;; P5 l% W; J. k" L* e0 M: @1 i0 ~
- arg.data_count = 0x18;( j* ]5 l q1 C+ Y
- arg.e2prom_cmd_sub_addr = 0x290;
9 o' F1 m' B6 M" ]1 A7 a - arg.e2prom_cmd_data = buf;: @" i! `; \( f S& F* N6 o O1 s
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);5 F. Z z+ N* g% V' \0 |
- if (ret != 0) {
7 r. q( \- p6 m& B+ J - printf("Device %s write error.\n", E2PROM_DEVICE);* y' d0 K6 ]8 C( v% v* C
- return -1;
8 Y4 I, L4 Q4 N# T4 H - }/ g% u7 l7 a4 R5 k$ P, [5 p8 `
- & {5 w$ {6 w u( c% {! d9 R
- return 0;: D5 T. s/ ?0 D9 }1 X1 @ I; B
- }3 o' y7 H/ t, c* w
7 G( |3 H W, ]0 j/ m- int main()
3 s# q7 S9 j+ R4 a - {
3 a7 ]- Z/ y$ c9 W7 D. T - char c;
8 j) L0 {$ [' _8 S+ a: y - int i, macs[6];
* E% {9 l3 T) k - unsigned char mac[6];
6 R# F5 R7 F# I- O2 [ v - unsigned char stbid[256];
! x1 Y6 G7 n& \- v& ?
& ~' F- f) d5 z, F4 [5 S- if (readparam(mac, stbid) < 0)3 w; o, n, Q4 R6 D, a
- return 1;
' t; t& \( ^7 e6 Y - 9 J. @* D0 d+ s. r6 N6 x# @8 C
- printf("Current parameters: \n");
; C, d! Q- \- S! u" A - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);' c3 h+ i: {. M c* n, T, s7 @
- printf(" STBID: %s\n", stbid);& w: o3 A% } Q7 ?' M+ k% f
-
z/ G( l) J6 S1 @# y8 b% _; g - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");1 l. R9 a, O) I, [; k- }
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {1 y1 w5 v. @' l B! J
- printf("Input MAC error\n");
) t0 z2 c7 I. F: z$ H- o - return 1;
5 _+ I) o: b4 K0 {' k - }
; S# A) F+ E/ |$ t0 b7 ^ - for (i=0; i<6; i++)mac[i] = macs[i];* @/ W/ n H% \8 s; J' Y' Y: |
- printf("\nPlease input new STBID: ");2 [; s& Q0 ]+ r$ [6 \' \/ B9 z$ E
- scanf("%s", stbid);8 Q5 w9 s; u* F' S
- if (strlen(stbid) != 18) {
9 ~* W* ?8 _$ V# ~8 A - printf("Invalid stbid\n");( h- p7 a6 r. L% D" Z5 v8 x! K8 |
- return 1;
! G$ F6 Z' Y6 @& r; \3 w - }
9 [, ~: b5 o- ? V9 X6 U - printf("\nNew parameters: \n");
# O$ R' g) U. R5 {! j0 b - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);; H5 C- S$ {1 Z0 Z+ `
- printf(" STBID: %s\n", stbid);
- O: _6 e6 ]8 `$ k - % Z3 X5 T' n( S. M2 s+ ~- X0 p
- printf("\nDo you want to change paramemters? (y/N) ");0 G6 {! K- R6 g, s9 @1 x/ l: z
- for (;;) {3 k* B2 s6 b% q: g* l1 F
- c = getchar();5 Q) [; F7 T6 a# @: w) n
- if (c == 'y' || c == 'Y')
/ k& b* L4 u! \4 \3 B - break;* {9 o! j: n2 y. L |3 \8 k% P
- if (c == 'n' || c == 'N') {+ W w9 Y3 w& e, U
- printf("\nAborted.\n");
- W. h5 g4 u) Q4 d! f; [" O, r - return 1;
! }6 Y _. D+ }5 x - }4 k$ B. q; |0 O& O$ _
- }
3 L/ B- }& P% R, V& z" _8 k! g - if (writeparam(mac, stbid) == 0) ; u3 B% n8 \9 h5 a( T9 N, e6 ?
- printf("Parameters changed.\n");
9 x g: _' p: q
' `+ _2 o7 B0 P4 q- G- return 0;
4 o" Z3 m+ v* `5 Z4 h$ { - }
复制代码 |