serial-dmm: Handle time-limited acquisition

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

diff --git a/hardware/serial-dmm/protocol.h b/hardware/serial-dmm/protocol.h
index 7540d8069e6a8fd41ee89c2efbde2feefef81ad3..e719efd81e15f2783d9650153dde629e11cddf6a 100644 (file)
--- a/hardware/serial-dmm/protocol.h
+++ b/hardware/serial-dmm/protocol.h
@@ -42,9 +42,11 @@ enum {
        PCE_PCE_DM32,
        RADIOSHACK_22_168,
        RADIOSHACK_22_812,
+       VOLTCRAFT_VC820,
+       VOLTCRAFT_VC840,
 };
 
-#define DMM_COUNT 11
+#define DMM_COUNT 13
 
 struct dmm_info {
        char *vendor;
@@ -70,18 +72,22 @@ struct dev_context {
        /** The current sampling limit (in number of samples). */
        uint64_t limit_samples;
 
+       /** The time limit (in milliseconds). */
+       uint64_t limit_msec;
+
        /** Opaque pointer passed in by the frontend. */
        void *cb_data;
 
        /** The current number of already received samples. */
        uint64_t num_samples;
 
+       int64_t starttime;
+
        struct sr_serial_dev_inst *serial;
 
        uint8_t buf[DMM_BUFSIZE];
        int bufoffset;
        int buflen;
-       int subdriver;
 };
 
 SR_PRIV int receive_data_DIGITEK_DT4000ZC(int fd, int revents, void *cb_data);
@@ -95,6 +101,8 @@ SR_PRIV int receive_data_PEAKTECH_4370(int fd, int revents, void *cb_data);
 SR_PRIV int receive_data_PCE_PCE_DM32(int fd, int revents, void *cb_data);
 SR_PRIV int receive_data_RADIOSHACK_22_168(int fd, int revents, void *cb_data);
 SR_PRIV int receive_data_RADIOSHACK_22_812(int fd, int revents, void *cb_data);
+SR_PRIV int receive_data_VOLTCRAFT_VC820(int fd, int revents, void *cb_data);
+SR_PRIV int receive_data_VOLTCRAFT_VC840(int fd, int revents, void *cb_data);
 
 SR_PRIV void dmm_details_tp4000zc(struct sr_datafeed_analog *analog, void *info);
 SR_PRIV void dmm_details_dt4000zc(struct sr_datafeed_analog *analog, void *info);