]>
Commit | Line | Data |
---|---|---|
713be7a4 MG |
1 | #include <usb.h> |
2 | #include <stdio.h> | |
3 | #include <stdlib.h> | |
4 | #include <unistd.h> | |
7df76f49 | 5 | #include <stdint.h> |
713be7a4 MG |
6 | |
7 | #include "usbtmc.h" | |
8 | #include "scope.h" | |
9 | ||
10 | /* Just USB for now... */ | |
11 | int sendscpi(struct scope* sc, char* cmd, unsigned char *resp, int resplen) | |
12 | { | |
13 | return usbtmc_sendscpi(sc->usbdev, cmd, resp, resplen); | |
14 | } | |
15 | ||
16 | void closescope(struct scope* sc) | |
17 | { | |
18 | return usbtmc_close(sc->usbdev); | |
19 | } | |
20 | ||
21 | void claimscope(struct scope* sc) | |
22 | { | |
23 | return usbtmc_claim(sc->usbdev); | |
24 | } | |
25 | ||
26 | void releasescope(struct scope* sc) | |
27 | { | |
28 | //Disable keylock, so the user doesn't have to press the 'force'-button | |
29 | sendscpi(sc, ":KEY:LOCK DISABLE",NULL,0); | |
30 | return usbtmc_release(sc->usbdev); | |
31 | } | |
32 | ||
33 | struct scope* initscope(void) | |
34 | { | |
35 | struct usb_dev_handle *usbdev; | |
36 | struct scope *sc; | |
37 | ||
38 | usbdev = usbtmc_initscope(); | |
39 | ||
2999345d MG |
40 | if (!usbdev) { |
41 | printf("No scope found.\n"); | |
42 | exit(EXIT_FAILURE); | |
43 | } | |
713be7a4 MG |
44 | |
45 | sc = calloc(1, sizeof(struct scope)); | |
46 | if (sc == NULL) { | |
47 | perror("malloc"); | |
48 | exit(EXIT_FAILURE); | |
49 | } | |
50 | ||
51 | sc->usbdev = usbdev; | |
52 | ||
53 | claimscope(sc); | |
54 | sendscpi(sc, "*IDN?", (unsigned char*)sc->idn, sizeof(sc->idn)); | |
55 | releasescope(sc); | |
56 | ||
57 | printf("Scope found (%s)\n", sc->idn); | |
58 | ||
59 | return sc; | |
60 | } | |
61 | ||
62 | char *scope_idn(struct scope *sc) | |
63 | { | |
64 | return sc->idn; | |
65 | } |