X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Flascar-el-usb%2Fapi.c;h=1fd86b7ea00052975b12d3780283cff3b7fd3929;hb=dd5c48a6d567a3cac62c4b0058588273bbeea171;hp=5c615cceb2eafb37fc4f753340685d94e5dfb6da;hpb=a0e0bb4149081eda06714f1158639f2dadcfa9d8;p=libsigrok.git
diff --git a/src/hardware/lascar-el-usb/api.c b/src/hardware/lascar-el-usb/api.c
index 5c615cce..1fd86b7e 100644
--- a/src/hardware/lascar-el-usb/api.c
+++ b/src/hardware/lascar-el-usb/api.c
@@ -17,15 +17,13 @@
* along with this program. If not, see .
*/
+#include
#include
#include
-#include "libsigrok.h"
+#include
#include "libsigrok-internal.h"
#include "protocol.h"
-SR_PRIV struct sr_dev_driver lascar_el_usb_driver_info;
-static struct sr_dev_driver *di = &lascar_el_usb_driver_info;
-
static const uint32_t scanopts[] = {
SR_CONF_CONN,
};
@@ -33,16 +31,12 @@ static const uint32_t scanopts[] = {
static const uint32_t devopts[] = {
SR_CONF_THERMOMETER,
SR_CONF_HYGROMETER,
- SR_CONF_DATALOG,
- SR_CONF_LIMIT_SAMPLES,
+ SR_CONF_CONN | SR_CONF_GET,
+ SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
+ SR_CONF_DATALOG | SR_CONF_GET | SR_CONF_SET,
};
-static int init(struct sr_context *sr_ctx)
-{
- return std_init(sr_ctx, di, LOG_PREFIX);
-}
-
-static GSList *scan(GSList *options)
+static GSList *scan(struct sr_dev_driver *di, GSList *options)
{
struct drv_context *drvc;
struct sr_dev_inst *sdi;
@@ -51,7 +45,7 @@ static GSList *scan(GSList *options)
GSList *usb_devices, *devices, *l;
const char *conn;
- drvc = di->priv;
+ drvc = di->context;
conn = NULL;
for (l = options; l; l = l->next) {
@@ -88,22 +82,13 @@ static GSList *scan(GSList *options)
return devices;
}
-static GSList *dev_list(void)
-{
- return ((struct drv_context *)(di->priv))->instances;
-}
-
static int dev_open(struct sr_dev_inst *sdi)
{
- struct drv_context *drvc;
+ struct sr_dev_driver *di = sdi->driver;
+ struct drv_context *drvc = di->context;;
struct sr_usb_dev_inst *usb;
int ret;
- if (!(drvc = di->priv)) {
- sr_err("Driver was not initialized.");
- return SR_ERR;
- }
-
usb = sdi->conn;
if (sr_usb_open(drvc->sr_ctx->libusb_ctx, usb) != SR_OK)
@@ -122,11 +107,6 @@ static int dev_close(struct sr_dev_inst *sdi)
{
struct sr_usb_dev_inst *usb;
- if (!di->priv) {
- sr_err("Driver was not initialized.");
- return SR_ERR;
- }
-
usb = sdi->conn;
if (!usb->devhdl)
@@ -141,23 +121,6 @@ static int dev_close(struct sr_dev_inst *sdi)
return SR_OK;
}
-static int cleanup(void)
-{
- int ret;
- struct drv_context *drvc;
-
- if (!(drvc = di->priv))
- /* Can get called on an unused driver, doesn't matter. */
- return SR_OK;
-
-
- ret = std_dev_clear(di, NULL);
- g_free(drvc);
- di->priv = NULL;
-
- return ret;
-}
-
static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
const struct sr_channel_group *cg)
{
@@ -205,27 +168,17 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd
if (sdi->status != SR_ST_ACTIVE)
return SR_ERR_DEV_CLOSED;
- if (!di->priv) {
- sr_err("Driver was not initialized.");
- return SR_ERR;
- }
-
devc = sdi->priv;
ret = SR_OK;
switch (key) {
case SR_CONF_DATALOG:
- if (g_variant_get_boolean(data)) {
- /* Start logging. */
+ if (g_variant_get_boolean(data))
ret = lascar_start_logging(sdi);
- } else {
- /* Stop logging. */
+ else
ret = lascar_stop_logging(sdi);
- }
break;
case SR_CONF_LIMIT_SAMPLES:
devc->limit_samples = g_variant_get_uint64(data);
- sr_dbg("Setting sample limit to %" PRIu64 ".",
- devc->limit_samples);
break;
default:
ret = SR_ERR_NA;
@@ -256,7 +209,7 @@ static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *
return SR_OK;
}
-static void mark_xfer(struct libusb_transfer *xfer)
+static void LIBUSB_CALL mark_xfer(struct libusb_transfer *xfer)
{
if (xfer->status == LIBUSB_TRANSFER_COMPLETED)
@@ -304,11 +257,11 @@ static int lascar_proc_config(const struct sr_dev_inst *sdi)
devc->temp_unit = devc->config[0x2e] | (devc->config[0x2f] << 8);
if (devc->temp_unit != 0 && devc->temp_unit != 1) {
sr_dbg("invalid temperature unit %d", devc->temp_unit);
- /* Default to Celcius, we're all adults here. */
+ /* Default to Celsius, we're all adults here. */
devc->temp_unit = 0;
} else
sr_dbg("temperature unit is %s", devc->temp_unit
- ? "Fahrenheit" : "Celcius");
+ ? "Fahrenheit" : "Celsius");
break;
case LOG_CO:
devc->sample_size = 2;
@@ -326,8 +279,9 @@ static int lascar_proc_config(const struct sr_dev_inst *sdi)
return ret;
}
-static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
+static int dev_acquisition_start(const struct sr_dev_inst *sdi)
{
+ struct sr_dev_driver *di = sdi->driver;
struct sr_datafeed_packet packet;
struct sr_datafeed_meta meta;
struct sr_config *src;
@@ -343,36 +297,28 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
if (sdi->status != SR_ST_ACTIVE)
return SR_ERR_DEV_CLOSED;
- if (!di->priv) {
- sr_err("Driver was not initialized.");
- return SR_ERR;
- }
-
- drvc = di->priv;
+ drvc = di->context;
devc = sdi->priv;
usb = sdi->conn;
- devc->cb_data = cb_data;
if (lascar_proc_config(sdi) != SR_OK)
return SR_ERR;
sr_dbg("Starting log retrieval.");
- /* Send header packet to the session bus. */
- std_session_send_df_header(cb_data, LOG_PREFIX);
+ std_session_send_df_header(sdi, LOG_PREFIX);
interval = (devc->config[0x1c] | (devc->config[0x1d] << 8)) * 1000;
packet.type = SR_DF_META;
packet.payload = &meta;
src = sr_config_new(SR_CONF_SAMPLE_INTERVAL, g_variant_new_uint64(interval));
meta.config = g_slist_append(NULL, src);
- sr_session_send(devc->cb_data, &packet);
+ sr_session_send(sdi, &packet);
g_free(src);
if (devc->logged_samples == 0) {
/* This ensures the frontend knows the session is done. */
- packet.type = SR_DF_END;
- sr_session_send(devc->cb_data, &packet);
+ std_session_send_df_end(sdi, LOG_PREFIX);
return SR_OK;
}
@@ -387,14 +333,13 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
libusb_control_transfer(usb->devhdl, LIBUSB_REQUEST_TYPE_VENDOR,
0x02, 0x0001, 0x00, NULL, 0, 50);
-
/* Flush input. The F321 requires this. */
while (libusb_bulk_transfer(usb->devhdl, LASCAR_EP_IN, resp,
256, &ret, 5) == 0 && ret > 0)
;
libusb_fill_bulk_transfer(xfer_in, usb->devhdl, LASCAR_EP_IN,
- resp, sizeof(resp), mark_xfer, 0, 10000);
+ resp, sizeof(resp), mark_xfer, 0, BULK_XFER_TIMEOUT);
if (libusb_submit_transfer(xfer_in) != 0) {
libusb_free_transfer(xfer_in);
libusb_free_transfer(xfer_out);
@@ -415,11 +360,11 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
tv.tv_sec = 0;
tv.tv_usec = 0;
while (!xfer_in->user_data || !xfer_out->user_data) {
- g_usleep(5000);
+ g_usleep(SLEEP_US_LONG);
libusb_handle_events_timeout(drvc->sr_ctx->libusb_ctx, &tv);
}
if (xfer_in->user_data != GINT_TO_POINTER(1) ||
- xfer_in->user_data != GINT_TO_POINTER(1)) {
+ xfer_out->user_data != GINT_TO_POINTER(1)) {
sr_dbg("no response to log transfer request");
libusb_free_transfer(xfer_in);
libusb_free_transfer(xfer_out);
@@ -437,9 +382,10 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
usb_source_add(sdi->session, drvc->sr_ctx, 100,
lascar_el_usb_handle_events, (void *)sdi);
- buf = g_try_malloc(4096);
+ buf = g_malloc(4096);
libusb_fill_bulk_transfer(xfer_in, usb->devhdl, LASCAR_EP_IN,
- buf, 4096, lascar_el_usb_receive_transfer, cb_data, 100);
+ buf, 4096, lascar_el_usb_receive_transfer,
+ (struct sr_dev_inst *)sdi, 100);
if ((ret = libusb_submit_transfer(xfer_in) != 0)) {
sr_err("Unable to submit transfer: %s.", libusb_error_name(ret));
libusb_free_transfer(xfer_in);
@@ -450,15 +396,8 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
return SR_OK;
}
-SR_PRIV int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
+SR_PRIV int dev_acquisition_stop(struct sr_dev_inst *sdi)
{
- (void)cb_data;
-
- if (!di->priv) {
- sr_err("Driver was not initialized.");
- return SR_ERR;
- }
-
if (sdi->status != SR_ST_ACTIVE) {
sr_err("Device inactive, can't stop acquisition.");
return SR_ERR;
@@ -474,10 +413,10 @@ SR_PRIV struct sr_dev_driver lascar_el_usb_driver_info = {
.name = "lascar-el-usb",
.longname = "Lascar EL-USB",
.api_version = 1,
- .init = init,
- .cleanup = cleanup,
+ .init = std_init,
+ .cleanup = std_cleanup,
.scan = scan,
- .dev_list = dev_list,
+ .dev_list = std_dev_list,
.dev_clear = NULL,
.config_get = config_get,
.config_set = config_set,
@@ -486,5 +425,6 @@ SR_PRIV struct sr_dev_driver lascar_el_usb_driver_info = {
.dev_close = dev_close,
.dev_acquisition_start = dev_acquisition_start,
.dev_acquisition_stop = dev_acquisition_stop,
- .priv = NULL,
+ .context = NULL,
};
+SR_REGISTER_DEV_DRIVER(lascar_el_usb_driver_info);