kecheng-kc-330b: Live SPL acquisition

[libsigrok.git] / hardware / kecheng-kc-330b / protocol.h

diff --git a/hardware/kecheng-kc-330b/protocol.h b/hardware/kecheng-kc-330b/protocol.h
index 8541a68be234820ba6bf2530b90c9c69971e3c3d..1ec64e3ed63ed682b38503809e02cdd085829e59 100644 (file)
--- a/hardware/kecheng-kc-330b/protocol.h
+++ b/hardware/kecheng-kc-330b/protocol.h
@@ -38,7 +38,7 @@
 #define EP_OUT 2
 
 /* 500ms */
-#define DEFAULT_SAMPLE_INTERVAL 1
+#define DEFAULT_SAMPLE_INTERVAL 0
 #define DEFAULT_ALARM_LOW 40
 #define DEFAULT_ALARM_HIGH 120
 #define DEFAULT_WEIGHT_TIME SR_MQFLAG_SPL_TIME_WEIGHT_F
@@ -46,6 +46,10 @@
 /* Live */
 #define DEFAULT_DATA_SOURCE DATA_SOURCE_LIVE
 
+enum {
+       LIVE_SPL_IDLE,
+       LIVE_SPL_WAIT,
+};
 
 enum {
        CMD_CONFIGURE = 0x01,
@@ -61,8 +65,6 @@ enum {
 
 /** Private, per-device-instance driver context. */
 struct dev_context {
-       /* Model-specific information */
-
        /* Acquisition settings */
        uint64_t limit_samples;
        int sample_interval;
@@ -72,15 +74,20 @@ struct dev_context {
        int data_source;
 
        /* Operational state */
+       int state;
        uint64_t num_samples;
        void *cb_data;
        int usbfd[10];
+       struct libusb_transfer *xfer;
+       unsigned char buf[16];
 
        /* Temporary state across callbacks */
+       gint64 last_live_request;
 
 };
 
 SR_PRIV int kecheng_kc_330b_handle_events(int fd, int revents, void *cb_data);
+SR_PRIV void kecheng_kc_330b_receive_transfer(struct libusb_transfer *transfer);
 SR_PRIV int kecheng_kc_330b_configure(const struct sr_dev_inst *sdi);
 SR_PRIV int kecheng_kc_330b_set_date_time(struct sr_dev_inst *sdi);
 SR_PRIV int kecheng_kc_330b_recording_get(const struct sr_dev_inst *sdi,