本帖最后由 0522 于 2012-3-21 23:04 编辑
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; u) \4 j G7 W+ t修改的代码早有了。到今天不会编译。
/ e+ l, M3 U2 b. ]) p( c' U需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h> T9 T1 [5 m. x& Z; |8 k
- #include <malloc.h>
+ u4 |7 e( E+ T' i9 y8 ?7 O - #include <sys/types.h>2 r6 J5 W* e# I; ^
- #include <sys/stat.h># ^9 o9 z) C7 |& }+ ^* T, t# e
- #include <sys/ioctl.h>3 A! E) L2 H7 ?- H
- #include <stdio.h>0 C' X( B3 K" \! r" Y& E- H
- #include <string.h>1 A# M% s. r& V' G1 Z4 j3 B/ f
- 1 q+ `! G% Q! w( s l1 h7 j
- typedef struct {( x% u2 W5 D3 r- L8 F6 v0 Q
- unsigned int e2prom_cmd_sub_addr;5 ^& |* D$ w) ]' T, l/ [; O
- unsigned int sub_addr_count;5 ~" {9 W- R: L6 Y9 _0 Y+ y
- unsigned char* e2prom_cmd_data; m1 z' v- \& y7 J1 C# M! m
- unsigned int data_count;
' b. {: \0 L' ] - } e2prom_s_cmd;& c* J- `1 m3 X* L" _
- 6 H W3 K! a" `7 t* X
- #define E2PROM_CMD_READ 1
' A: E' e6 ^) U" O" F: Z - #define E2PROM_CMD_WRITE 2
V$ F, ~! J7 d8 d - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"6 A% ~# z8 F5 r- A U
- 2 K9 E2 u# l5 Y, y3 w n
- static int readparam(unsigned char *mac, unsigned char *stbid)8 e( g: Q+ d, }. N
- {
/ `0 N f% i, _, j% x+ \ - int fd, ret;; ` ]4 A5 ?5 M# S( y5 ^8 g1 g' v
- e2prom_s_cmd arg;* y' c8 d5 z! F1 Q( H, R
- unsigned char buf[0x18];% M7 [: T" q0 C& u" z( O
" W! d9 V7 D H( [5 | j* J- fd = open(E2PROM_DEVICE, O_RDWR);" E+ R# r/ s& Q, y. R' F* A
- if (fd < 0) {/ W8 ]/ I T, c* P3 w L
- printf("Device %s open error.\n", E2PROM_DEVICE);
7 K% y0 z. _8 @6 q" j, f7 f - return -1;
5 m7 Y( w: G: l8 z- Q0 B9 @ - }
3 d# W9 g% l4 m2 |$ b& W9 T7 c4 x4 A - arg.sub_addr_count = 2;
& N6 P5 q* Q1 n1 S - arg.data_count = 0x18;
5 Z/ z# W$ c2 J3 w. Z0 G& @ - arg.e2prom_cmd_sub_addr = 0x290;* Q8 Z* u7 ?( V
- arg.e2prom_cmd_data = buf;
4 h1 z4 J& e+ U& S& E) ` - ret = ioctl(fd, E2PROM_CMD_READ, &arg);3 i) w/ @* s8 O
- if (ret != 0) {* `+ X2 L- Z* y( B, Y, J
- printf("Device %s read error.\n", E2PROM_DEVICE);
8 M0 C5 m2 h; G4 s - return -1;+ O; U0 [, o5 g, _& q" _
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- memcpy(mac, buf, 6);" J7 V9 q) H9 L: R( |6 h
- memcpy(stbid, &buf[6], 18);' u8 G, h4 p$ f/ P2 i+ _
- stbid[18] = '\0';4 @7 P; k5 ~9 J& b6 `5 N5 A* ^4 w
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- return 0;7 l' k! _8 p% ?5 B1 I
- }
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* |3 H; n: J5 U- static int writeparam(unsigned char *mac, unsigned char *stbid) S+ p$ }- c- ^/ N1 O
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- int fd, ret;7 g0 i2 `. T( ^$ J
- e2prom_s_cmd arg;
3 k& l5 b/ d( B! z - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
" b" P5 }" ?1 S1 |. U8 H, o - memcpy(&buf[6], stbid, 18);2 U k O: [2 F3 m
- fd = open(E2PROM_DEVICE, O_RDWR);6 y! S3 X. {" f, T4 Z% \$ \( D
- if (fd < 0) {# q. i/ h( y8 ~; o7 ?, F
- printf("Device %s open error.\n", E2PROM_DEVICE);5 O' K" f6 Z- u9 c
- return -1;
9 z+ [8 |' h3 i# j1 p" [( [) R% _' W - }
: ^- }& s' x2 F# e _9 T: N2 J - arg.sub_addr_count = 2;# |/ x V2 j8 q
- arg.data_count = 0x18;
/ H* G" }5 L" {# z7 U! s - arg.e2prom_cmd_sub_addr = 0x290;
: i/ d% S& A! [ - arg.e2prom_cmd_data = buf;
# k: h& f0 @+ W: w - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);$ l9 X9 Z" `7 n- }# |3 g
- if (ret != 0) {
5 Q7 p+ N" f$ } - printf("Device %s write error.\n", E2PROM_DEVICE);
$ w) W% z! b% `+ |# o - return -1;0 h. R& X. i& ~* W
- }
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- return 0;( P# C; [3 V$ {, k& p& c. F4 c2 c
- }
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' ^, ?/ v: Y% }( w3 K X: _/ c- int main()5 q, K4 E- I5 `/ [( Y
- {
# l: C6 y! S2 t - char c;! a; k4 q- c4 ^$ p1 \. q5 z
- int i, macs[6];
# q4 f+ S% b* D/ U5 i - unsigned char mac[6];
p% o; K$ a8 X& B - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)9 j5 Q A& r( @+ k( g: r c8 ^
- return 1;
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- printf("Current parameters: \n");
" h) q/ L8 `) |" f5 h0 e - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
7 Z9 A$ d; G7 h+ g: F - printf(" STBID: %s\n", stbid);" ^5 r: s0 p6 D% C E, u" U
-
b$ [5 \: I# t: T5 F- ? - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");1 I' h% ~; J+ i
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) { s+ s; ]2 f/ m0 G
- printf("Input MAC error\n");
) o+ p0 D- v2 z- K( K - return 1;2 k( q/ W; X% c7 ^+ Z, E
- }' H* {+ _" [- B" W! v+ w3 L% ]- _1 O
- for (i=0; i<6; i++)mac[i] = macs[i];
# C4 a9 r$ ~( e9 c8 Y' w - printf("\nPlease input new STBID: ");
- V3 k0 @: i2 f9 f1 g3 t - scanf("%s", stbid);
3 \ z) C& i$ m% ^) U7 P - if (strlen(stbid) != 18) {
! u: a2 u, T5 A8 ] - printf("Invalid stbid\n");
) Y. G! K; h% a* V* P - return 1;. N" z- ^ t' m" P8 w' q) l
- }
) o1 d" x0 e; b, p - printf("\nNew parameters: \n");' T! e/ U" j. G" P
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
. Z* G4 f- q- G9 k - printf(" STBID: %s\n", stbid);' Y- O; w4 y1 a5 n2 N C" ^
+ h4 l6 h6 u9 ?/ k4 i( y- printf("\nDo you want to change paramemters? (y/N) ");7 a( {$ [ W; }1 _
- for (;;) {0 N# C+ [2 ]7 {7 l7 h
- c = getchar();
7 i+ Z8 M* D; @$ S2 ]( c" j - if (c == 'y' || c == 'Y')% ?9 ]$ Y6 `$ A1 s6 w
- break;
; A- \) B% K' p+ j/ N2 A - if (c == 'n' || c == 'N') {! r6 Z+ i% r% _' `! l6 X# }
- printf("\nAborted.\n");: e( g8 }- I) `* v( \
- return 1;2 u" U2 D" k6 t* U/ ~# x
- }- e* C5 F( i* w c: G; y
- }. N7 E+ ?6 k6 n$ M$ G+ q/ B$ z: n
- if (writeparam(mac, stbid) == 0)
/ l! ~( w# {* O3 L- w6 X/ i - printf("Parameters changed.\n");
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. Z* E, N7 w: i# S# ], \7 J: G6 V- return 0;' V j9 H7 W$ P& g# C$ g
- }
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