Add support for the UNI-T UT71x series (aka Voltcraft VC-920/940/960).

[libsigrok.git] / src / hardware / uni-t-dmm / protocol.c

diff --git a/src/hardware/uni-t-dmm/protocol.c b/src/hardware/uni-t-dmm/protocol.c
index ca2568e8661455274e8afbb7d72d102a1d81a313..37144980fa108ea13e5b880274b491e686ec47ff 100644 (file)
--- a/src/hardware/uni-t-dmm/protocol.c
+++ b/src/hardware/uni-t-dmm/protocol.c
@@ -226,19 +226,21 @@ static int get_and_handle_data(struct sr_dev_inst *sdi, int dmm, void *info)
         * Append the 1-7 data bytes of this chunk to pbuf.
         *
         * Special case:
-        * DMMs with Cyrustek ES51922 chip need serial settings of
-        * 19230/7o1. The WCH CH9325 UART to USB/HID chip used in (some
+        * DMMs with Cyrustek ES51922 chip and UT71x DMMs need serial settings
+        * of 7o1. The WCH CH9325 UART to USB/HID chip used in (some
         * versions of) the UNI-T UT-D04 cable however, will also send
         * the parity bit to the host in the 8-byte data chunks. This bit
         * is encoded in bit 7 of each of the 1-7 data bytes and must thus
-        * be removed in order for the actual ES51922 protocol parser to
-        * work properly.
+        * be removed in order for the actual protocol parser to work properly.
         */
        num_databytes_in_chunk = buf[0] & 0x0f;
        for (i = 0; i < num_databytes_in_chunk; i++, devc->buflen++) {
                pbuf[devc->buflen] = buf[1 + i];
-               if (udmms[dmm].packet_parse == sr_es519xx_19200_14b_parse)
+               if ((udmms[dmm].packet_parse == sr_es519xx_19200_14b_parse) ||
+                   (udmms[dmm].packet_parse == sr_ut71x_parse)) {
+                       /* Mask off the parity bit. */
                        pbuf[devc->buflen] &= ~(1 << 7);
+               }
        }
 
        /* Now look for packets in that data. */
@@ -308,8 +310,16 @@ RECEIVE_DATA(UNI_T_UT61B, fs9922)
 RECEIVE_DATA(UNI_T_UT61C, fs9922)
 RECEIVE_DATA(UNI_T_UT61D, fs9922)
 RECEIVE_DATA(UNI_T_UT61E, es519xx)
+RECEIVE_DATA(UNI_T_UT71A, ut71x)
+RECEIVE_DATA(UNI_T_UT71B, ut71x)
+RECEIVE_DATA(UNI_T_UT71C, ut71x)
+RECEIVE_DATA(UNI_T_UT71D, ut71x)
+RECEIVE_DATA(UNI_T_UT71E, ut71x)
 RECEIVE_DATA(VOLTCRAFT_VC820, fs9721)
 RECEIVE_DATA(VOLTCRAFT_VC830, fs9922)
 RECEIVE_DATA(VOLTCRAFT_VC840, fs9721)
+RECEIVE_DATA(VOLTCRAFT_VC920, ut71x)
+RECEIVE_DATA(VOLTCRAFT_VC940, ut71x)
+RECEIVE_DATA(VOLTCRAFT_VC960, ut71x)
 RECEIVE_DATA(TENMA_72_7745, es519xx)
 RECEIVE_DATA(TENMA_72_7750, es519xx)