X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=input%2Fchronovu_la8.c;h=b9f14dd308b9143be55b6ca6b08837299141a404;hb=ee7489d23449a3f5a81777fbdb3309dfe22bcecd;hp=9c75a9179208375e9bf89d47a4a1257fb3056399;hpb=44dae539254e324e0330e194f9c775be3d761503;p=libsigrok.git diff --git a/input/chronovu_la8.c b/input/chronovu_la8.c index 9c75a917..b9f14dd3 100644 --- a/input/chronovu_la8.c +++ b/input/chronovu_la8.c @@ -21,6 +21,7 @@ #include #include #include +#include #include "sigrok.h" #include "sigrok-internal.h" @@ -49,6 +50,9 @@ static uint64_t divcount_to_samplerate(uint8_t divcount) static int format_match(const char *filename) { + struct stat stat_buf; + int ret; + if (!filename) { sr_err("la8 in: %s: filename was NULL", __func__); // return SR_ERR; /* FIXME */ @@ -69,7 +73,19 @@ static int format_match(const char *filename) return FALSE; } - /* TODO: Only accept files of length 8MB + 5 bytes. */ + /* Only accept files of length 8MB + 5 bytes. */ + ret = stat(filename, &stat_buf); + if (ret != 0) { + sr_err("la8 in: %s: Error getting file size of '%s'", + __func__, filename); + return FALSE; + } + if (stat_buf.st_size != (8 * 1024 * 1024 + 5)) { + sr_dbg("la8 in: %s: File size must be exactly 8388613 bytes (" + "it actually is %d bytes in size), so this is not a " + "ChronoVu LA8 file.", __func__, stat_buf.st_size); + return FALSE; + } /* TODO: Check for divcount != 0xff. */ @@ -92,12 +108,12 @@ static int init(struct sr_input *in) } /* Create a virtual device. */ - in->vdevice = sr_dev_new(NULL, 0); + in->vdev = sr_dev_new(NULL, 0); for (i = 0; i < num_probes; i++) { snprintf(name, SR_MAX_PROBENAME_LEN, "%d", i); /* TODO: Check return value. */ - sr_dev_probe_add(in->vdevice, name); + sr_dev_probe_add(in->vdev, name); } return SR_OK; @@ -118,7 +134,7 @@ static int loadfile(struct sr_input *in, const char *filename) return SR_ERR; } - num_probes = g_slist_length(in->vdevice->probes); + num_probes = g_slist_length(in->vdev->probes); /* Seek to the end of the file, and read the divcount byte. */ divcount = 0x00; /* TODO: Don't hardcode! */ @@ -139,7 +155,7 @@ static int loadfile(struct sr_input *in, const char *filename) gettimeofday(&header.starttime, NULL); header.num_logic_probes = num_probes; header.samplerate = samplerate; - sr_session_bus(in->vdevice, &packet); + sr_session_send(in->vdev, &packet); /* TODO: Handle trigger point. */ @@ -154,8 +170,8 @@ static int loadfile(struct sr_input *in, const char *filename) for (i = 0; i < NUM_PACKETS; i++) { /* TODO: Handle errors, handle incomplete reads. */ size = read(fd, buf, PACKET_SIZE); - logic.length = PACKET_SIZE; - sr_session_bus(in->vdevice, &packet); + logic.length = size; + sr_session_send(in->vdev, &packet); } close(fd); /* FIXME */ @@ -163,7 +179,7 @@ static int loadfile(struct sr_input *in, const char *filename) sr_dbg("la8 in: %s: sending SR_DF_END", __func__); packet.type = SR_DF_END; packet.payload = NULL; - sr_session_bus(in->vdevice, &packet); + sr_session_send(in->vdev, &packet); return SR_OK; }