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。
" u$ G% E- o1 G9 ]需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>. l1 h; Z+ D( I3 J& \+ N* M
- #include <malloc.h>
( }* N# P% }. p L' o7 j, d) l - #include <sys/types.h>
1 L, D' O, @# }6 x* t7 s - #include <sys/stat.h>
2 c- t/ p: a& K$ f - #include <sys/ioctl.h>+ t4 ~+ l: ]$ o
- #include <stdio.h>
! Q, C: M# o+ O2 V2 h8 p - #include <string.h>! ?* i: a* w+ x# S$ w
- * @* L0 ?3 v+ \+ G4 k+ y0 L c
- typedef struct {
# x3 s) e+ s; A6 q' t; |& M0 W - unsigned int e2prom_cmd_sub_addr;; f6 ]% v% q+ v' v: H6 h# s
- unsigned int sub_addr_count;
9 L1 i; O5 c. {& Z6 Z# K& t - unsigned char* e2prom_cmd_data;# O* v) o" x6 b
- unsigned int data_count;+ @# m9 M( P% D. V& B
- } e2prom_s_cmd;- d* }, w- M+ O. m6 K+ _
! E# j$ ~1 ?& b: x/ o" D5 m- #define E2PROM_CMD_READ 16 F+ _* [; {4 t3 e9 P' V! L
- #define E2PROM_CMD_WRITE 2
0 r( e2 g: M5 N( r$ [ - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)' g- s3 `1 w/ u
- {# R2 d3 S- T( S( r+ V' }
- int fd, ret; A6 ?, x6 d0 k) {% N
- e2prom_s_cmd arg;
% i0 x6 A; }+ b; B" H - unsigned char buf[0x18];: K2 E) _2 A0 _) h( w* S% J, x
5 Y9 N U) m+ \. T/ s2 W- fd = open(E2PROM_DEVICE, O_RDWR);
9 r, [. l5 w- W& @- S - if (fd < 0) {
. ]# }9 K& G. R+ P& B) U - printf("Device %s open error.\n", E2PROM_DEVICE);* K' J7 x1 G* j* d* r2 Q
- return -1;
5 A7 O$ t/ q) @$ m - }
% U2 @0 s Q/ P/ L% e+ R - arg.sub_addr_count = 2;+ d( |( R) t7 ~, B! }* U8 ^
- arg.data_count = 0x18;
" T3 I3 {0 U2 H7 Z1 H9 W - arg.e2prom_cmd_sub_addr = 0x290;
6 U" @. K5 ` w1 j3 ]& Z - arg.e2prom_cmd_data = buf;
7 d* I. g# }4 }/ z1 D* z6 \7 \; B0 o - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
/ Z/ P) x7 @& \6 q* e+ F - if (ret != 0) {2 n, g1 s2 _2 d: V' h) ~
- printf("Device %s read error.\n", E2PROM_DEVICE);
; W9 e0 y1 U) J& |8 j p; I - return -1;
+ `# o$ h5 V. a2 w { - }
: P- \; `/ t% Q0 F! i1 V B - memcpy(mac, buf, 6);. P+ ^' |5 j' o. e( _
- memcpy(stbid, &buf[6], 18);- w/ s( E0 X- Z/ r K1 f
- stbid[18] = '\0';' n) q/ J- B+ i( @1 ?/ a. p
- . K( z$ ^/ T1 a* Z7 D& \6 Y
- return 0;
( R H) |9 P- S' A6 `- o N/ O( ^, g - }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
3 C, N* W8 n; q# P1 m& s) Q# h. ]7 x - {
( d1 ~3 z: }4 s! q5 W - int fd, ret;' h! s2 m. \4 H: |4 R- M
- e2prom_s_cmd arg;2 X# z, i& C3 N2 j
- unsigned char buf[0x18];
# h" U! O) @0 i i. ~
( q! m- w0 r% V: k3 n% d' g- memcpy(buf, mac, 6);6 l/ o& ]: K7 x/ k% D0 {$ k. d+ Z: X
- memcpy(&buf[6], stbid, 18);5 `5 A6 g# h8 e9 i
- fd = open(E2PROM_DEVICE, O_RDWR);
: J6 z2 Z# L% V( Z- S# Y - if (fd < 0) {
' f. P8 e; E, a9 ~% m( V% Q* Z - printf("Device %s open error.\n", E2PROM_DEVICE);! b2 h% q, X$ S" l* {* A4 ?
- return -1;/ R7 Q9 [7 [$ r* F. E
- }
0 c- p9 W, D. B! C! ?" \, ` - arg.sub_addr_count = 2;
4 d: Z" q' }/ v9 a. Q8 ~$ B3 C - arg.data_count = 0x18;
# t% J& p0 r) h) |/ w$ k - arg.e2prom_cmd_sub_addr = 0x290;- k" ]1 r9 ?" J# D2 B) _
- arg.e2prom_cmd_data = buf;
# P0 x, Z- f2 v - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
' p% o, t" R/ Y \# a3 y% V; @ - if (ret != 0) {' b4 a1 f) F9 c3 j! k
- printf("Device %s write error.\n", E2PROM_DEVICE);
7 }$ g! y' d% I4 t: ~# @ - return -1;8 Y: s: x- c: E% ]/ U4 ]' K
- }" y! q6 w$ v& Y8 R- B
. }8 w# }2 j0 O- return 0;
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- 9 G$ _$ D6 r: u- M
- int main()1 T+ h% }+ Y9 H3 D3 e6 g9 p
- {
O& ?( d! n( \. q8 g6 H/ w - char c;7 G6 K u3 g, A S' ~
- int i, macs[6];2 t/ s( I( Q! ?/ e; p) {
- unsigned char mac[6];
, x, z9 ?6 j9 h5 U; g+ I) S - unsigned char stbid[256];
- H$ U0 Z X# ]9 }2 z# Q; ? - 7 E k% Y. H2 T7 i* `2 I
- if (readparam(mac, stbid) < 0)2 ]* _& }/ x5 x+ @
- return 1;
+ d* o. Y3 H; w' F3 {; f8 D8 Z [ - ) X2 D5 b1 W5 q
- printf("Current parameters: \n");$ R* W3 P/ |- I+ L$ B& n9 p; v8 @
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
2 u8 [/ o u: d' y - printf(" STBID: %s\n", stbid);6 h- N, e# u$ k K3 L; o6 h5 V
-
1 Z; O \" ~. l4 J) j. u& a - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");8 W. H! E% Z! j% H: c: Y
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {/ ^/ f! J- d; [$ }
- printf("Input MAC error\n");
9 V) L7 b+ @0 G5 A$ L0 ~) Q2 x/ L - return 1;; P/ w2 v) v7 E, H: B# v
- }5 \! o% h: }! u) A7 w7 ]
- for (i=0; i<6; i++)mac[i] = macs[i];
* P! u( O( E1 ~- x" o - printf("\nPlease input new STBID: ");
2 k9 {9 n/ g1 B3 J* k( ~ - scanf("%s", stbid);
X- D/ J6 j2 T! I0 Y - if (strlen(stbid) != 18) {3 B0 j8 U, z6 |# b
- printf("Invalid stbid\n");9 J4 t u: [* V1 ^% Z4 `
- return 1;: o$ p8 h0 V# a0 u
- }& v6 [% k3 u5 `2 {7 d; t
- printf("\nNew parameters: \n");- U: X$ o5 Q& M' c' W3 q3 J
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);4 T! E% L/ H* z, I6 {' D
- printf(" STBID: %s\n", stbid);5 k! ?" _/ C9 Z$ I
5 b F: x( [0 A" H% J: N- printf("\nDo you want to change paramemters? (y/N) ");
- D: ]8 S2 z2 w/ t- F: v - for (;;) {4 D; N# Q$ u; L A7 l; r
- c = getchar();
( Y4 j& a5 a. `, V% F" r - if (c == 'y' || c == 'Y')7 J2 m2 G: w1 }* Y- i
- break;
% B6 @- \ b' j! g - if (c == 'n' || c == 'N') {) X5 V/ |9 P2 V6 f, \, E
- printf("\nAborted.\n");
; { \5 M8 K5 v5 S8 U0 A# a! k - return 1;
* e9 a6 u1 [5 N" h. b9 w - }$ s! h d. z9 ]/ y
- }$ C, `4 G. j) o' D/ H, U* B- l) `) y
- if (writeparam(mac, stbid) == 0) 8 C: p, p& u# P- U1 ~' g" ^8 n$ w* A, l
- printf("Parameters changed.\n");
H' H+ l2 w/ O% h& o: m
' y7 W5 M! `( _2 [+ f0 A- return 0;
* k: l; W! m7 q" i1 b" e) g - }
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