本帖最后由 0522 于 2012-3-21 23:04 编辑 $ A4 i. T7 }- ?
, L& y& Y7 B/ s; F
修改的代码早有了。到今天不会编译。
+ M* g$ ?8 t: n2 q# l0 @需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>( Q! _6 [$ `' [! |! }& ]2 d
- #include <malloc.h>
5 L* O8 T4 X0 W4 V5 O - #include <sys/types.h>. ^3 i% P( r u; `: l) j: @1 e. j v
- #include <sys/stat.h> S' i+ n' h' Y
- #include <sys/ioctl.h>
+ |, U2 H0 L7 s" G4 k8 i - #include <stdio.h>5 P1 _9 {3 S d
- #include <string.h>
/ m. G6 q$ g0 ]) c5 ?
. B5 G) b7 |' w `- T, q- typedef struct {- O$ I* ~ }# K' g3 P9 y
- unsigned int e2prom_cmd_sub_addr;0 t* }4 m) t1 v) s- S
- unsigned int sub_addr_count; H; M) y+ t, [7 W' z
- unsigned char* e2prom_cmd_data;
. \( }4 D. ^: u& f! w& w1 v: E* L% A - unsigned int data_count;
/ @: z6 W" ]$ t' m$ ~ - } e2prom_s_cmd;
6 |5 u: K* _1 q: O2 s' |
* ^! q$ l3 a: U0 J6 Q1 Y* ~3 n- #define E2PROM_CMD_READ 1* S0 V% n' E8 p& w& A/ h
- #define E2PROM_CMD_WRITE 2
+ d9 N" ^! k h1 o! ?7 B# |, e& x - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
# s& }( n3 g$ @0 ?9 q1 c0 Q/ c
; `1 c5 y9 s! U: d& V- static int readparam(unsigned char *mac, unsigned char *stbid)
6 T$ A$ \& E, H, s h0 x% R6 \5 l1 J - {
) Y2 Q& ]; h: f4 f9 N - int fd, ret;
! |3 P1 K0 Z+ X - e2prom_s_cmd arg;% R8 J. [. f z! h6 N$ M' _
- unsigned char buf[0x18];) ^3 v, b" ~( T/ N& }9 }+ Y
/ W, E* E# n( r- fd = open(E2PROM_DEVICE, O_RDWR); ^. f$ n* g' j7 O* h
- if (fd < 0) {
2 U0 r9 y- U! L3 a - printf("Device %s open error.\n", E2PROM_DEVICE);
5 k, A8 D* a( j7 _) ^: f - return -1;
6 |8 h/ R: [. H7 \; D - }
) j3 u) J3 T0 N7 b) }0 M - arg.sub_addr_count = 2;
( n, g. b* ^; S+ Q8 Z2 j8 P# k - arg.data_count = 0x18;
7 [% d! K ?5 } - arg.e2prom_cmd_sub_addr = 0x290;
- k; J' y5 y' a. \ - arg.e2prom_cmd_data = buf;( I- t ^+ Q) ~, A* Z" c
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
+ m/ ?* |2 U1 [' A+ t) k s( s - if (ret != 0) {0 R" u& g) Q1 f9 T' M) z4 }' X% }
- printf("Device %s read error.\n", E2PROM_DEVICE);( H" G' e2 y7 ^7 q* a# m
- return -1;
2 u* f& }/ o- A/ h, ] - }% Z' }. {, K ^% {
- memcpy(mac, buf, 6);& y9 q Y3 U& v, ?
- memcpy(stbid, &buf[6], 18);. R. C) \% I- a) S
- stbid[18] = '\0';% M9 i. y* c1 K6 A) b
- % g) }4 n6 G" v4 [6 E7 _! P
- return 0;
2 e! ]8 ^; X3 k$ B3 o - }* j1 A' ^$ s* o# W
- $ t$ [) M7 V5 x* N. U; d1 ]
- static int writeparam(unsigned char *mac, unsigned char *stbid)
' ?" P7 K, G: d. L1 R - {
# i* V& E* X$ G - int fd, ret;
4 \$ \# i( D* \3 _% J8 k - e2prom_s_cmd arg;( a+ k/ M: E) o' R U5 v
- unsigned char buf[0x18];3 V `( e8 j3 j( r0 X! h' m
$ [6 H4 [9 D. \; _* n2 t2 V1 F- memcpy(buf, mac, 6);& f. O; ~% s8 G V
- memcpy(&buf[6], stbid, 18);! v% h: [ B3 D1 N& x
- fd = open(E2PROM_DEVICE, O_RDWR);. W e( j8 ~4 y. z2 `) c! r
- if (fd < 0) {
+ ]2 E) R; U# \2 {) u3 V - printf("Device %s open error.\n", E2PROM_DEVICE);
, Y% `( r6 Z7 g) {; v4 a; Q n" G" Z+ p - return -1;
* r3 `: a( I. R4 B* `' y - }
' ^! Y5 j# v' y1 y, w+ [+ i: H; G/ P& B - arg.sub_addr_count = 2;, d9 ~% O6 o6 T6 c5 j
- arg.data_count = 0x18;
' M( m$ Y0 u. G2 }. d9 E - arg.e2prom_cmd_sub_addr = 0x290;
9 K, N1 s8 W/ A; d7 k0 v - arg.e2prom_cmd_data = buf;
: ~/ V/ C" t2 E - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
9 }$ U2 H2 {" K6 b7 w7 K5 o" T - if (ret != 0) {8 I x0 F. x4 C! I" ?* d8 N
- printf("Device %s write error.\n", E2PROM_DEVICE);
2 d9 s% I, @, y - return -1;( E3 B% P4 A! ^% s P, g5 r0 c7 G
- }
& K' S/ E' z6 p
5 p: b/ u6 M, Y G6 H5 G, v- return 0;
: U% m3 X2 c3 ^: R& U* r - }# v: a) h2 C/ A% e
- + b$ F! @5 e+ A
- int main()0 l8 N6 Q; s1 m% I7 L
- {
8 f4 F4 R, I8 ~. F: s - char c;
7 P, i/ j9 Y* o) t, O) { - int i, macs[6];8 P0 ^: E: B2 ^7 z) M6 f
- unsigned char mac[6];- I" p: `' ~; C+ i, u4 h$ s
- unsigned char stbid[256];
; x7 M: e5 a! v; G' X0 E+ d( S' ?
2 {4 r6 L% l* @( f2 \# {, E- if (readparam(mac, stbid) < 0)8 ]) s# f+ D. y' \( F( F. `, r
- return 1;2 H$ u* a5 L5 t1 b( p" i2 k2 @
- $ ?, h( `- ^: O5 f! z
- printf("Current parameters: \n");( B8 {. Z& c' Y9 |: \
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); M5 x3 e, P( ?4 C2 M2 F5 Z% l
- printf(" STBID: %s\n", stbid);, K$ \0 b4 j9 w7 I3 ]- P
- 1 _+ d& {9 K+ d4 A
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
, l; K$ }- Y( `! \3 c* c! \/ {: l - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {3 A" I" M0 Z+ P q# a/ H
- printf("Input MAC error\n");4 d& G2 Q: F! B) }3 c5 @
- return 1;6 Z" ~' I% U4 {: b, n# |& y- D
- }+ o" S% D1 C _* W; Q( @! H
- for (i=0; i<6; i++)mac[i] = macs[i];
. i9 I) H1 l5 A; A) @5 V - printf("\nPlease input new STBID: ");
5 @# [# ]( F: k9 u4 V% Z - scanf("%s", stbid);5 u6 v; _: e2 Y3 E9 ]" u
- if (strlen(stbid) != 18) {+ [3 u0 P' \# Q6 F4 V
- printf("Invalid stbid\n");
- _3 D% a% ?; ` - return 1;
, f/ S' l* Z5 ^, Y9 @ }: n6 t - }
/ n+ c- Z: s- E+ p - printf("\nNew parameters: \n");
4 J4 F0 a- j) n4 R2 ^ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);3 _$ |! l& k9 F) O/ G" o6 I# N
- printf(" STBID: %s\n", stbid);1 z/ j) k+ w2 b0 c9 p
: X* a& T6 H) S5 |, o4 b5 X- printf("\nDo you want to change paramemters? (y/N) ");' Q" v: X+ e, u3 Z" ^, R$ _
- for (;;) {
3 a8 o! w2 G- N) P0 @9 S - c = getchar();% b% x) w1 q8 I& }4 l$ m1 M( j
- if (c == 'y' || c == 'Y')
7 [. l! V# v% _0 J- }" m5 D4 {2 G1 g9 i - break;
4 H1 F/ W6 a3 X) P6 ?; y/ T9 v - if (c == 'n' || c == 'N') {- _5 y+ n* Q3 |
- printf("\nAborted.\n");$ q5 D* w h& w2 S. h
- return 1;5 [# d1 {% C4 u6 S
- }
( O1 v/ R5 z. A0 U - }$ V/ w. U S) Y9 y
- if (writeparam(mac, stbid) == 0)
! y5 j, \! F9 n' ^/ D9 p" C - printf("Parameters changed.\n");
' y2 A( D( F- I. \ - ( M) ], S3 j* v. d+ O
- return 0;% j2 Q0 F" r1 ^9 \
- }
复制代码 |