serial-dmm: Commented struct dmm_info.

[libsigrok.git] / hardware / serial-dmm / protocol.c

diff --git a/hardware/serial-dmm/protocol.c b/hardware/serial-dmm/protocol.c
index e2801a38bd3b68967af206766191992c4acddb06..fab6c4ae8d25223303400f5c0638ddd84ff54eb5 100644 (file)
--- a/hardware/serial-dmm/protocol.c
+++ b/hardware/serial-dmm/protocol.c
@@ -80,7 +80,9 @@ static void handle_new_data(struct sr_dev_inst *sdi, int dmm, void *info)
        /* Try to get as much data as the buffer can hold. */
        len = DMM_BUFSIZE - devc->buflen;
        len = serial_read(serial, devc->buf + devc->buflen, len);
-       if (len < 1) {
+       if (len == 0)
+               return; /* No new bytes, nothing to do. */
+       if (len < 0) {
                sr_err("Serial port read error: %d.", len);
                return;
        }
@@ -165,13 +167,20 @@ RECEIVE_DATA(PEAKTECH_3410, metex14)
 RECEIVE_DATA(MASTECH_MAS345, metex14)
 RECEIVE_DATA(VA_VA18B, fs9721)
 RECEIVE_DATA(METEX_M3640D, metex14)
+RECEIVE_DATA(METEX_M4650CR, metex14)
 RECEIVE_DATA(PEAKTECH_4370, metex14)
 RECEIVE_DATA(PCE_PCE_DM32, fs9721)
 RECEIVE_DATA(RADIOSHACK_22_168, metex14)
 RECEIVE_DATA(RADIOSHACK_22_805, metex14)
 RECEIVE_DATA(RADIOSHACK_22_812, rs9lcd)
 RECEIVE_DATA(TECPEL_DMM_8061_SER, fs9721)
+RECEIVE_DATA(VOLTCRAFT_M3650D, metex14)
+RECEIVE_DATA(VOLTCRAFT_M4650CR, metex14)
 RECEIVE_DATA(VOLTCRAFT_VC820_SER, fs9721)
+RECEIVE_DATA(VOLTCRAFT_VC830_SER, fs9922)
 RECEIVE_DATA(VOLTCRAFT_VC840_SER, fs9721)
+RECEIVE_DATA(UNI_T_UT60A_SER, fs9721)
+RECEIVE_DATA(UNI_T_UT60E_SER, fs9721)
 RECEIVE_DATA(UNI_T_UT61D_SER, fs9922)
 RECEIVE_DATA(UNI_T_UT61E_SER, es51922)
+RECEIVE_DATA(ISO_TECH_IDM103N, es519xx)