X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Frdtech-tc%2Fprotocol.h;h=e495375ca673dc7b46bef478fbec0c964e237be4;hb=HEAD;hp=4692ec4022f004fe223abba239050041ec21c486;hpb=63f46e3e6f1b3b0a20a1da45ad10a1cd0a8937ab;p=libsigrok.git

diff --git a/src/hardware/rdtech-tc/protocol.h b/src/hardware/rdtech-tc/protocol.h
index 4692ec40..e495375c 100644
--- a/src/hardware/rdtech-tc/protocol.h
+++ b/src/hardware/rdtech-tc/protocol.h
@@ -25,7 +25,16 @@
 
 #define LOG_PREFIX "rdtech-tc"
 
-#define RDTECH_TC_BUFSIZE 256
+/*
+ * Keep request and response buffers of sufficient size. The maximum
+ * request text currently involved is "bgetva\r\n" which translates
+ * to 9 bytes. The poll response (a measurement, the largest amount
+ * of data that is currently received) is 192 bytes in length. Add
+ * some slack for alignment, and for in-flight messages or adjacent
+ * data during synchronization to the data stream.
+ */
+#define RDTECH_TC_MAXREQLEN 12
+#define RDTECH_TC_RSPBUFSIZE 256
 
 struct rdtech_dev_info {
 	char *model_name;
@@ -33,17 +42,31 @@ struct rdtech_dev_info {
 	uint32_t serial_num;
 };
 
+struct rdtech_tc_channel_desc {
+	const char *name;
+	struct binary_value_spec spec;
+	struct sr_rational scale;
+	int digits;
+	enum sr_mq mq;
+	enum sr_unit unit;
+};
+
 struct dev_context {
+	gboolean is_bluetooth;
+	char req_text[RDTECH_TC_MAXREQLEN];
 	struct rdtech_dev_info dev_info;
-	const struct binary_analog_channel *channels;
+	const struct rdtech_tc_channel_desc *channels;
+	size_t channel_count;
+	struct feed_queue_analog **feeds;
 	struct sr_sw_limits limits;
-	uint8_t buf[RDTECH_TC_BUFSIZE];
-	size_t buflen;
+	uint8_t buf[RDTECH_TC_RSPBUFSIZE];
+	size_t rdlen;
 	int64_t cmd_sent_at;
+	size_t rx_after_tx;
 };
 
 SR_PRIV int rdtech_tc_probe(struct sr_serial_dev_inst *serial, struct dev_context *devc);
 SR_PRIV int rdtech_tc_receive_data(int fd, int revents, void *cb_data);
-SR_PRIV int rdtech_tc_poll(const struct sr_dev_inst *sdi);
+SR_PRIV int rdtech_tc_poll(const struct sr_dev_inst *sdi, gboolean force);
 
 #endif