本帖最后由 0522 于 2012-3-21 23:04 编辑 $ a" I$ E9 C3 b5 g
$ N2 \, x2 x! Q2 r0 Y K) ^2 F8 R# g修改的代码早有了。到今天不会编译。
# b. T" v# H) P) h2 g% q' _需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
# Y }0 o2 g, [$ B x - #include <malloc.h>! S, f t! X$ O% S2 i9 |
- #include <sys/types.h>6 T& G- s9 {9 g# m- W
- #include <sys/stat.h>/ A; u( t+ t; x W# N" u4 R
- #include <sys/ioctl.h>
& V Y3 _* X& m2 F# [ - #include <stdio.h># V* z( g7 V8 L. \+ P5 ~( b' M
- #include <string.h>
+ L7 o. z2 T4 [, i( R. F6 I5 ? - ; w3 ]8 W# t* y* {
- typedef struct {
" p: f8 O! o- r+ V. r( Z - unsigned int e2prom_cmd_sub_addr;* f, A; y- R% q6 R
- unsigned int sub_addr_count;
* n) G% y4 K2 R* U. a - unsigned char* e2prom_cmd_data;' k8 B, @- @$ P0 Y. _; G( w1 P
- unsigned int data_count;! f" L! z! m6 G$ m8 H, `
- } e2prom_s_cmd;. M. Y/ O( Q2 I
8 c( S8 E! U% e; @0 T- #define E2PROM_CMD_READ 1/ x% M& G. h+ j0 k5 j- a4 Q
- #define E2PROM_CMD_WRITE 2; e6 T3 f. @* \# h% K
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16" y2 j; q8 m9 T& [2 z7 ]
- . h, @: s2 z' V3 t) @
- static int readparam(unsigned char *mac, unsigned char *stbid)
0 S8 Z( x( d; p3 I0 n. P - {8 O" n, e/ h+ E' i$ X8 e
- int fd, ret;: a; v7 j8 N) N6 _/ T. H7 B
- e2prom_s_cmd arg;
8 {, q0 [1 J9 S. `+ L - unsigned char buf[0x18];9 v) T: y: P: m* T$ ]- r3 d7 a
- ( W8 S2 {# }& c+ `3 ~
- fd = open(E2PROM_DEVICE, O_RDWR);/ Y' ^' s& w, S& S& V
- if (fd < 0) {! j0 k$ H1 a9 X7 l# Y4 k
- printf("Device %s open error.\n", E2PROM_DEVICE);
4 J- ?- o7 [! d& ]1 A - return -1;1 T/ D2 r: V: e- \ V, D
- }9 y" Z) Z4 N3 }, Y1 C
- arg.sub_addr_count = 2;
5 c: E* h" q- d# B8 }2 [, a - arg.data_count = 0x18;' @- [% w7 \8 [4 x# y
- arg.e2prom_cmd_sub_addr = 0x290;
2 B& n# K: g" C3 c5 f. T; n - arg.e2prom_cmd_data = buf;6 j; n9 W% ]* y
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
# y& D9 O7 M2 y - if (ret != 0) {
& t% f0 L) _9 z* i* ^6 b: [ - printf("Device %s read error.\n", E2PROM_DEVICE);
9 h) t6 y. E' z; @8 a& G - return -1;3 @3 R( o7 X8 z! I$ Z- i% l/ T' ]
- }/ g8 H3 ~% J$ K: n$ I
- memcpy(mac, buf, 6);/ x1 S; x3 d; N( [$ i* w l4 W
- memcpy(stbid, &buf[6], 18);6 Y" k" ?# v% Q" w' z, q& w2 D
- stbid[18] = '\0';2 r( o% ` [1 o7 Z
. L( t# S& l {5 P) J; {- return 0;/ Z% e$ b/ ]; k2 K4 m
- }
: s9 T2 M r) b+ Q c - ! i9 U1 d' t2 i Q
- static int writeparam(unsigned char *mac, unsigned char *stbid)$ r; k6 W0 p' f1 }: f: C1 I# p9 Q
- {
0 M: Z1 q% Z2 M% S' S' \' P1 s7 S: d - int fd, ret;
; q6 J2 j9 K+ p) J7 R4 w0 F9 g- i - e2prom_s_cmd arg;1 E" t( S# O; K: a
- unsigned char buf[0x18];1 D0 j& Z4 Y9 G& i6 }
- 4 Q3 D/ C2 L/ T
- memcpy(buf, mac, 6);5 o$ U5 @* g/ X- v( l
- memcpy(&buf[6], stbid, 18);
! u' C; |% C( {3 I# w3 ~. u - fd = open(E2PROM_DEVICE, O_RDWR);) M( v P! n0 U6 P& k! @
- if (fd < 0) {" G- w- ~) n7 ?. O9 [
- printf("Device %s open error.\n", E2PROM_DEVICE);
4 {1 x: g) h$ ^& B6 Z, I - return -1;
6 r. |+ _ A) K5 \2 e* ^ - }
k3 F r# y: `! h; J) e- s - arg.sub_addr_count = 2; o, u/ t% `4 r( L* e) F9 f
- arg.data_count = 0x18;; ~1 G" \7 J1 Q
- arg.e2prom_cmd_sub_addr = 0x290;4 s* ?# Y+ S7 L/ j5 ^1 @
- arg.e2prom_cmd_data = buf;# Q" k* n3 N0 }1 {
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);- A* \& X( B8 S) s% K4 q
- if (ret != 0) {& E5 D1 V9 w/ s' K1 v+ Q" L5 _
- printf("Device %s write error.\n", E2PROM_DEVICE); G0 R1 W* H; [4 [3 _ Q9 y
- return -1;6 C7 [4 i! u- b$ k
- }
# V5 x, A/ x' o+ s) P$ @, G - 4 @* ?$ k9 C- S+ S" N* E: T
- return 0;
+ B5 ?0 Q. M+ N& |. _* k - }% Y* \$ P' b7 E: ^6 E6 h" J
1 }5 l" Y' R0 B P' @6 `2 s- int main() `# G- g) b6 \# }9 N& K
- {2 }& ?# R( D0 U# N3 V0 Q
- char c;+ P9 ?% I3 {5 ]* r- P4 q# {1 S/ h
- int i, macs[6];& A3 D$ v. G( a6 s5 ~3 @
- unsigned char mac[6];
5 v' J4 W, d% X: y& R - unsigned char stbid[256];
: M! T0 ?; p0 t/ f) R$ ^$ U - $ N/ h P/ F% G3 l2 I
- if (readparam(mac, stbid) < 0)
" g% U# h1 u+ b. S/ X - return 1;" W8 b. R w6 [2 D4 J
- ; n9 l' K1 j/ s7 {% T% a
- printf("Current parameters: \n");
5 ~$ o( B% z5 ?& J1 _, Q - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
5 U1 z F$ x% E; ] - printf(" STBID: %s\n", stbid);9 |& [4 B$ I3 ~2 `! y* d
- 9 \; [/ C% u# \
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
1 E2 v/ L c2 X1 k8 l4 p - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
# L) Y) ~# g' ~. ^& T - printf("Input MAC error\n");: M. Z# ~" q2 w* l+ D& J9 s, ^
- return 1;4 Q" Q3 |) g5 M" Y$ ?
- }6 R; Q: u. m' }3 y
- for (i=0; i<6; i++)mac[i] = macs[i];- b: R' w& |& D6 V9 k
- printf("\nPlease input new STBID: ");
% i$ |- X. j9 B1 } - scanf("%s", stbid);9 g5 |8 c% h4 @
- if (strlen(stbid) != 18) {
! I* O( d' S7 g5 R" G& l4 ?7 r - printf("Invalid stbid\n");
3 H1 c2 ~" N5 y - return 1;
% B! ?5 J) r0 q8 V; G - }
5 e8 R$ [5 \( e3 ~- D - printf("\nNew parameters: \n");& `* i7 k5 s0 y+ z6 {, n
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
' v) X+ I5 n3 Z# g# ^ - printf(" STBID: %s\n", stbid);
$ n. P4 b# i1 a3 S" Q6 V
2 A# y7 s/ U) @8 [% M# ^6 a% Q- printf("\nDo you want to change paramemters? (y/N) ");! d. A5 c! ] i9 R( s
- for (;;) {- n+ E' s' x. w9 O7 E6 Y
- c = getchar();' M, @3 R% r, u# e1 I$ w* o) F
- if (c == 'y' || c == 'Y')
, E( ]$ ~% p4 u5 j9 m5 @ - break;3 J o# @; w& C3 ~4 T
- if (c == 'n' || c == 'N') {
. i0 Z' F: C: L - printf("\nAborted.\n");
0 X+ n5 M& z5 v) N$ G( D - return 1;2 P8 ^. m# v( w$ E A/ [
- }. B- @8 U" K' f) A) t# d5 O
- }
( p$ w3 L3 u3 q$ v - if (writeparam(mac, stbid) == 0) 0 G. I- ]( l: N! ]
- printf("Parameters changed.\n");
( A7 g& y T5 r9 _1 @' j - ! S& O1 F2 _7 {4 r: u' z$ D3 V
- return 0;
* q7 ^- A$ d+ e7 H1 B) e+ p6 C - }
复制代码 |