X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Funi-t-dmm%2Fprotocol.c;h=bd231160fee51633708e60bcbf64159fc296c98d;hb=60117e6e9aa22d8da1f34ccfa1b819300bad7bf0;hp=79dcc747b3aef52504237f3a7b09d2333341a09e;hpb=869c83751149aa03cda072355c2b670569cdfc0d;p=libsigrok.git
diff --git a/src/hardware/uni-t-dmm/protocol.c b/src/hardware/uni-t-dmm/protocol.c
index 79dcc747..bd231160 100644
--- a/src/hardware/uni-t-dmm/protocol.c
+++ b/src/hardware/uni-t-dmm/protocol.c
@@ -14,8 +14,7 @@
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ * along with this program; if not, see .
*/
#include
@@ -103,8 +102,7 @@ static int hid_chip_init(struct sr_dev_inst *sdi, uint16_t baudrate)
struct sr_usb_dev_inst *usb;
usb = sdi->conn;
-
- /* Detach kernel drivers which grabbed this device (if any). */
+
if (libusb_kernel_driver_active(usb->devhdl, 0) == 1) {
ret = libusb_detach_kernel_driver(usb->devhdl, 0);
if (ret < 0) {
@@ -112,18 +110,13 @@ static int hid_chip_init(struct sr_dev_inst *sdi, uint16_t baudrate)
libusb_error_name(ret));
return SR_ERR;
}
- sr_dbg("Successfully detached kernel driver.");
- } else {
- sr_dbg("No need to detach a kernel driver.");
}
- /* Claim interface 0. */
if ((ret = libusb_claim_interface(usb->devhdl, 0)) < 0) {
sr_err("Failed to claim interface 0: %s.",
libusb_error_name(ret));
return SR_ERR;
}
- sr_dbg("Successfully claimed interface 0.");
/* Set data for the HID feature report (e.g. baudrate). */
buf[0] = baudrate & 0xff; /* Baudrate, LSB */
@@ -159,8 +152,6 @@ static int hid_chip_init(struct sr_dev_inst *sdi, uint16_t baudrate)
return SR_ERR;
}
- sr_dbg("Successfully sent initial HID feature report.");
-
return SR_OK;
}
@@ -173,10 +164,11 @@ static void log_8byte_chunk(const uint8_t *buf)
static void log_dmm_packet(const uint8_t *buf)
{
- sr_dbg("DMM packet: %02x %02x %02x %02x %02x %02x %02x"
- " %02x %02x %02x %02x %02x %02x %02x",
- buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6],
- buf[7], buf[8], buf[9], buf[10], buf[11], buf[12], buf[13]);
+ GString *text;
+
+ text = sr_hexdump_new(buf, 14);
+ sr_dbg("DMM packet: %s", text->str);
+ sr_hexdump_free(text);
}
static int get_and_handle_data(struct sr_dev_inst *sdi)
@@ -247,6 +239,8 @@ static int get_and_handle_data(struct sr_dev_inst *sdi)
for (i = 0; i < num_databytes_in_chunk; i++, devc->buflen++) {
pbuf[devc->buflen] = buf[1 + i];
if ((dmm->packet_parse == sr_es519xx_19200_14b_parse) ||
+ (dmm->packet_parse == sr_es519xx_19200_11b_parse) ||
+ (dmm->packet_parse == sr_es519xx_2400_11b_parse) ||
(dmm->packet_parse == sr_ut71x_parse)) {
/* Mask off the parity bit. */
pbuf[devc->buflen] &= ~(1 << 7);
@@ -265,8 +259,8 @@ static int get_and_handle_data(struct sr_dev_inst *sdi)
}
/* Move remaining bytes to beginning of buffer. */
- for (i = 0; i < devc->buflen - devc->bufoffset; i++)
- pbuf[i] = pbuf[devc->bufoffset + i];
+ if (devc->bufoffset < devc->buflen)
+ memmove(pbuf, pbuf + devc->bufoffset, devc->buflen - devc->bufoffset);
devc->buflen -= devc->bufoffset;
return SR_OK;
@@ -289,7 +283,7 @@ SR_PRIV int uni_t_dmm_receive_data(int fd, int revents, void *cb_data)
/* Abort acquisition if we acquired enough samples. */
if (sr_sw_limits_check(&devc->limits))
- sdi->driver->dev_acquisition_stop(sdi);
+ sr_dev_acquisition_stop(sdi);
return TRUE;
}