X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;ds=inline;f=hardware%2Fcem-dt-885x%2Fprotocol.h;h=49fe55d3aab3111f1dca469de749a12a39da93ec;hb=a90e480cdc808d0c91eecc6b5078e745a751882b;hp=7f296e83dc3cf4422c004ba4d24eb25d5569ca93;hpb=e37c4b3959052691a9e9d9ec4cfcdf0f8c6e36e1;p=libsigrok.git

diff --git a/hardware/cem-dt-885x/protocol.h b/hardware/cem-dt-885x/protocol.h
index 7f296e83..49fe55d3 100644
--- a/hardware/cem-dt-885x/protocol.h
+++ b/hardware/cem-dt-885x/protocol.h
@@ -35,6 +35,9 @@
 #define sr_err(s, args...) sr_err(LOG_PREFIX s, ## args)
 
 #define BUF_SIZE 32
+/* When in hold mode, force the last measurement out at this interval.
+ * We're using 50ms, which duplicates the non-hold 20Hz update rate. */
+#define HOLD_REPEAT_INTERVAL 50 * 1000
 
 enum {
 	TOKEN_WEIGHT_TIME_FAST = 0x02,
@@ -63,15 +66,25 @@ enum {
 	TOKEN_MEAS_RANGE_80_130 = 0x4c,
 };
 
+enum {
+	CMD_TOGGLE_RECORDING = 0x55,
+	CMD_TOGGLE_WEIGHT_FREQ = 0x99,
+	CMD_TOGGLE_WEIGHT_TIME = 0x77,
+	CMD_TOGGLE_HOLD_MAX_MIN = 0x11,
+};
+
 /** Private, per-device-instance driver context. */
 struct dev_context {
+	/* Device state */
+	uint64_t cur_mqflags;
+	int recording;
+
 	/* Acquisition settings */
 	uint64_t limit_samples;
 
 	/* Operational state */
 	int state;
 	uint64_t num_samples;
-	uint64_t cur_mqflags;
 
 	/* Temporary state across callbacks */
 	void *cb_data;
@@ -79,7 +92,8 @@ struct dev_context {
 	unsigned char token;
 	int buf_len;
 	unsigned char buf[BUF_SIZE];
-
+	float last_spl;
+	gint64 hold_last_sent;
 };
 
 /* Parser state machine. */
@@ -91,5 +105,14 @@ enum {
 };
 
 SR_PRIV int cem_dt_885x_receive_data(int fd, int revents, void *cb_data);
+SR_PRIV int cem_dt_885x_recording_set(const struct sr_dev_inst *sdi, gboolean start);
+SR_PRIV gboolean cem_dt_885x_recording_get(const struct sr_dev_inst *sdi);
+SR_PRIV int cem_dt_885x_weight_freq_get(const struct sr_dev_inst *sdi);
+SR_PRIV int cem_dt_885x_weight_freq_set(const struct sr_dev_inst *sdi, int freqw);
+SR_PRIV int cem_dt_885x_weight_time_get(const struct sr_dev_inst *sdi);
+SR_PRIV int cem_dt_885x_weight_time_set(const struct sr_dev_inst *sdi, int timew);
+SR_PRIV int cem_dt_885x_holdmode_get(const struct sr_dev_inst *sdi,
+		gboolean *holdmode);
+SR_PRIV int cem_dt_885x_holdmode_set(const struct sr_dev_inst *sdi, int holdmode);
 
 #endif