extern SR_PRIV struct dmmchip dmmchip_fs9922;
+extern SR_PRIV struct dmmchip dmmchip_victor70c;
static struct sr_hwopt victor_70c_vidpid[] = {
{ SR_HWOPT_CONN, "1244.d237" },
{ 0, NULL }
};
static struct dev_profile dev_profiles[] = {
- { "victor-70c", "Victor", "70C", &dmmchip_fs9922,
- DMM_TRANSPORT_USBHID, victor_70c_vidpid
+ { "victor-70c", "Victor", "70C", &dmmchip_victor70c,
+ DMM_TRANSPORT_USBHID, 1000, victor_70c_vidpid
},
- { "mastech-va18b", "Mastech", "VA18B", NULL, DMM_TRANSPORT_SERIAL, NULL},
- { NULL, NULL, NULL, NULL, 0, NULL }
+ { "mastech-va18b", "Mastech", "VA18B", NULL, DMM_TRANSPORT_SERIAL, 0, NULL},
+ { NULL, NULL, NULL, NULL, 0, 0, NULL }
};
static const int hwopts[] = {
SR_PRIV struct sr_dev_driver genericdmm_driver_info;
static struct sr_dev_driver *gdi = &genericdmm_driver_info;
/* TODO need a way to keep this local to the static library */
-SR_PRIV libusb_context *genericdmm_usb_context = NULL;
+static libusb_context *genericdmm_usb_context = NULL;
+static int hw_dev_acquisition_stop(const struct sr_dev_inst *sdi,
+ void *cb_data);
static GSList *connect_usb(const char *conn)
struct sr_dev_inst *sdi;
struct drv_context *drvc;
struct dev_context *devc;
+ struct sr_probe *probe;
libusb_device **devlist;
struct libusb_device_descriptor des;
GSList *devices;
return NULL;
if (bus > 64) {
- sr_err("invalid bus");
+ sr_err("Invalid bus.");
return NULL;
}
if (addr > 127) {
- sr_err("invalid address");
+ sr_err("Invalid address.");
return NULL;
}
libusb_get_device_list(genericdmm_usb_context, &devlist);
for (i = 0; devlist[i]; i++) {
if ((err = libusb_get_device_descriptor(devlist[i], &des))) {
- sr_err("genericdmm: failed to get device descriptor: %d", err);
+ sr_err("Failed to get device descriptor: %d.", err);
continue;
}
/* Found one. */
if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
- sr_err("genericdmm: devc malloc failed.");
- return 0;
+ sr_err("Device context malloc failed.");
+ return NULL;
}
devcnt = g_slist_length(drvc->instances);
- if (!(sdi = sr_dev_inst_new(devcnt, SR_ST_ACTIVE,
+ if (!(sdi = sr_dev_inst_new(devcnt, SR_ST_INACTIVE,
NULL, NULL, NULL))) {
- sr_err("genericdmm: sr_dev_inst_new returned NULL.");
+ sr_err("sr_dev_inst_new returned NULL.");
return NULL;
}
sdi->priv = devc;
+ if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1")))
+ return NULL;
+ sdi->probes = g_slist_append(sdi->probes, probe);
devc->usb = sr_usb_dev_inst_new(
libusb_get_bus_number(devlist[i]),
libusb_get_device_address(devlist[i]), NULL);
devices = NULL;
/* TODO */
- sr_dbg("not yet implemented");
+ sr_dbg("Not yet implemented.");
return devices;
}
return devices;
}
+static int open_usb(struct sr_dev_inst *sdi)
+{
+ libusb_device **devlist;
+ struct libusb_device_descriptor des;
+ struct dev_context *devc;
+ int ret, tmp, cnt, i;
+
+ devc = sdi->priv;
+
+ if (sdi->status == SR_ST_ACTIVE)
+ /* already in use */
+ return SR_ERR;
+
+ cnt = libusb_get_device_list(genericdmm_usb_context, &devlist);
+ if (cnt < 0) {
+ sr_err("Failed to retrieve device list (%d).", cnt);
+ return SR_ERR;
+ }
+
+ ret = SR_ERR;
+ for (i = 0; i < cnt; i++) {
+ if ((tmp = libusb_get_device_descriptor(devlist[i], &des))) {
+ sr_err("Failed to get device descriptor: %d.", tmp);
+ continue;
+ }
+
+ if (libusb_get_bus_number(devlist[i]) != devc->usb->bus
+ || libusb_get_device_address(devlist[i]) != devc->usb->address)
+ /* this is not the one */
+ continue;
+
+ if ((tmp = libusb_open(devlist[i], &devc->usb->devhdl))) {
+ sr_err("Failed to open device: %d.", tmp);
+ break;
+ }
+
+ sr_info("Opened device %s on %d.%d.", devc->profile->modelid,
+ devc->usb->bus, devc->usb->address);
+ ret = SR_OK;
+ break;
+ }
+ libusb_free_device_list(devlist, 1);
+
+ return ret;
+}
+
+static int clear_instances(void)
+{
+ GSList *l;
+ struct sr_dev_inst *sdi;
+ struct dev_context *devc;
+ struct drv_context *drvc;
+
+ if (!(drvc = gdi->priv))
+ return SR_OK;
+
+ /* Properly close and free all devices. */
+ for (l = drvc->instances; l; l = l->next) {
+ if (!(sdi = l->data)) {
+ /* Log error, but continue cleaning up the rest. */
+ sr_err("sdi was NULL, continuing.");
+ continue;
+ }
+ if (!(devc = sdi->priv)) {
+ /* Log error, but continue cleaning up the rest. */
+ sr_err("sdi->priv was NULL, continuing.");
+ continue;
+ }
+
+ if (devc->profile) {
+ switch (devc->profile->transport) {
+ case DMM_TRANSPORT_USBHID:
+ sr_usb_dev_inst_free(devc->usb);
+ break;
+ case DMM_TRANSPORT_SERIAL:
+ if (devc->serial && devc->serial->fd != -1)
+ serial_close(devc->serial->fd);
+ sr_serial_dev_inst_free(devc->serial);
+ break;
+ }
+ }
+
+ sr_dev_inst_free(sdi);
+ }
+
+ g_slist_free(drvc->instances);
+ drvc->instances = NULL;
+
+ return SR_OK;
+}
+
static int hw_init(void)
{
struct drv_context *drvc;
if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) {
- sr_err("genericdmm: driver context malloc failed.");
- return SR_ERR;
+ sr_err("Driver context malloc failed.");
+ return SR_ERR_MALLOC;
}
if (libusb_init(&genericdmm_usb_context) != 0) {
- sr_err("genericdmm: Failed to initialize USB.");
+ sr_err("Failed to initialize USB.");
return SR_ERR;
}
struct dev_profile *pr, *profile;
struct sr_dev_inst *sdi;
struct drv_context *drvc;
+ struct dev_context *devc;
const char *model;
drvc = gdi->priv;
* or model. Do that now.
*/
sdi = l->data;
+ devc = sdi->priv;
+ devc->profile = profile;
sdi->driver = gdi;
if (!sdi->vendor)
sdi->vendor = g_strdup(profile->vendor);
return devices;
}
+static GSList *hw_dev_list(void)
+{
+ struct drv_context *drvc;
+
+ drvc = gdi->priv;
+
+ return drvc->instances;
+}
+
static int hw_dev_open(struct sr_dev_inst *sdi)
{
struct dev_context *devc;
+ int ret;
if (!(devc = sdi->priv)) {
- sr_err("genericdmm: sdi->priv was NULL.");
+ sr_err("sdi->priv was NULL.");
return SR_ERR_BUG;
}
- sr_dbg("genericdmm: Opening serial port '%s'.", devc->serial->port);
-
+ ret = SR_OK;
switch (devc->profile->transport) {
case DMM_TRANSPORT_USBHID:
- /* TODO */
+ ret = open_usb(sdi);
break;
case DMM_TRANSPORT_SERIAL:
- /* TODO: O_NONBLOCK? */
+ sr_dbg("Opening serial port '%s'.", devc->serial->port);
devc->serial->fd = serial_open(devc->serial->port, O_RDWR | O_NONBLOCK);
if (devc->serial->fd == -1) {
- sr_err("genericdmm: Couldn't open serial port '%s'.",
+ sr_err("Couldn't open serial port '%s'.",
devc->serial->port);
- return SR_ERR;
+ ret = SR_ERR;
}
// serial_set_params(devc->serial->fd, 2400, 8, 0, 1, 2);
break;
default:
sr_err("No transport set.");
+ ret = SR_ERR;
}
- return SR_OK;
+ return ret;
}
static int hw_dev_close(struct sr_dev_inst *sdi)
struct dev_context *devc;
if (!(devc = sdi->priv)) {
- sr_err("genericdmm: %s: sdi->priv was NULL.", __func__);
+ sr_err("%s: sdi->priv was NULL.", __func__);
return SR_ERR_BUG;
}
static int hw_cleanup(void)
{
- GSList *l;
- struct sr_dev_inst *sdi;
- struct dev_context *devc;
- struct drv_context *drvc;
- if (!(drvc = gdi->priv))
- return SR_OK;
-
- /* Properly close and free all devices. */
- for (l = drvc->instances; l; l = l->next) {
- if (!(sdi = l->data)) {
- /* Log error, but continue cleaning up the rest. */
- sr_err("genericdmm: sdi was NULL, continuing.");
- continue;
- }
- if (!(devc = sdi->priv)) {
- /* Log error, but continue cleaning up the rest. */
- sr_err("genericdmm: sdi->priv was NULL, continuing.");
- continue;
- }
-
- if (devc->profile) {
- switch (devc->profile->transport) {
- case DMM_TRANSPORT_USBHID:
- /* TODO */
- sr_usb_dev_inst_free(devc->usb);
- break;
- case DMM_TRANSPORT_SERIAL:
- if (devc->serial && devc->serial->fd != -1)
- serial_close(devc->serial->fd);
- sr_serial_dev_inst_free(devc->serial);
- break;
- }
- }
-
- sr_dev_inst_free(sdi);
- }
-
- g_slist_free(drvc->instances);
- drvc->instances = NULL;
+ clear_instances();
if (genericdmm_usb_context)
libusb_exit(genericdmm_usb_context);
case SR_DI_CUR_SAMPLERATE:
/* TODO get rid of this */
*data = NULL;
+ return SR_ERR_ARG;
break;
default:
/* Unknown device info ID. */
struct dev_context *devc;
if (!(devc = sdi->priv)) {
- sr_err("genericdmm: sdi->priv was NULL.");
+ sr_err("sdi->priv was NULL.");
return SR_ERR_BUG;
}
switch (hwcap) {
case SR_HWCAP_LIMIT_MSEC:
+ /* TODO: not yet implemented */
if (*(const uint64_t *)value == 0) {
- sr_err("genericdmm: LIMIT_MSEC can't be 0.");
+ sr_err("LIMIT_MSEC can't be 0.");
return SR_ERR;
}
devc->limit_msec = *(const uint64_t *)value;
- sr_dbg("genericdmm: Setting LIMIT_MSEC to %" PRIu64 ".",
+ sr_dbg("Setting time limit to %" PRIu64 "ms.",
devc->limit_msec);
break;
case SR_HWCAP_LIMIT_SAMPLES:
devc->limit_samples = *(const uint64_t *)value;
- sr_dbg("genericdmm: Setting LIMIT_SAMPLES to %" PRIu64 ".",
+ sr_dbg("Setting sample limit to %" PRIu64 ".",
devc->limit_samples);
break;
default:
- sr_err("genericdmm: Unknown capability: %d.", hwcap);
+ sr_err("Unknown capability: %d.", hwcap);
return SR_ERR;
break;
}
struct sr_dev_inst *sdi;
struct dev_context *devc;
+ (void)revents;
+
if (!(sdi = cb_data))
- return FALSE;
+ return TRUE;
if (!(devc = sdi->priv))
- return FALSE;
-
- if (revents != G_IO_IN) {
- sr_err("genericdmm: No data?");
- return FALSE;
- }
+ return TRUE;
switch (devc->profile->transport) {
case DMM_TRANSPORT_USBHID:
- /* TODO */
+ if (devc->profile->chip->data)
+ devc->profile->chip->data(sdi);
break;
case DMM_TRANSPORT_SERIAL:
/* TODO */
+ fd = fd;
break;
}
+ if (devc->num_samples >= devc->limit_samples)
+ hw_dev_acquisition_stop(sdi, cb_data);
+
return TRUE;
}
struct dev_context *devc;
if (!(devc = sdi->priv)) {
- sr_err("genericdmm: sdi->priv was NULL.");
+ sr_err("sdi->priv was NULL.");
return SR_ERR_BUG;
}
- sr_dbg("genericdmm: Starting acquisition.");
+ sr_dbg("Starting acquisition.");
devc->cb_data = cb_data;
/* Send header packet to the session bus. */
- sr_dbg("genericdmm: Sending SR_DF_HEADER.");
+ sr_dbg("Sending SR_DF_HEADER.");
packet.type = SR_DF_HEADER;
packet.payload = (uint8_t *)&header;
header.feed_version = 1;
sr_session_send(devc->cb_data, &packet);
/* Send metadata about the SR_DF_ANALOG packets to come. */
- sr_dbg("genericdmm: Sending SR_DF_META_ANALOG.");
+ sr_dbg("Sending SR_DF_META_ANALOG.");
packet.type = SR_DF_META_ANALOG;
packet.payload = &meta;
meta.num_probes = 1;
/* Hook up a proxy handler to receive data from the device. */
switch (devc->profile->transport) {
case DMM_TRANSPORT_USBHID:
- /* TODO libusb FD setup */
+ /* Callously using stdin here. This works because no G_IO_* flags
+ * are set, but will certainly break when any other driver does
+ * this, and runs at the same time as genericdmm.
+ * We'll need a timeout-only source when revamping the whole
+ * driver source system.
+ */
+ sr_source_add(0, 0, devc->profile->poll_timeout,
+ receive_data, (void *)sdi);
break;
case DMM_TRANSPORT_SERIAL:
/* TODO serial FD setup */
/* Avoid compiler warnings. */
(void)sdi;
- sr_dbg("genericdmm: Stopping acquisition.");
+ sr_dbg("Stopping acquisition.");
/* Send end packet to the session bus. */
- sr_dbg("genericdmm: Sending SR_DF_END.");
+ sr_dbg("Sending SR_DF_END.");
packet.type = SR_DF_END;
sr_session_send(cb_data, &packet);
+ sr_source_remove(0);
+
return SR_OK;
}
.init = hw_init,
.cleanup = hw_cleanup,
.scan = hw_scan,
+ .dev_list = hw_dev_list,
+ .dev_clear = clear_instances,
.dev_open = hw_dev_open,
.dev_close = hw_dev_close,
.info_get = hw_info_get,
projects / libsigrok.git / blobdiff