X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Frdtech-tc%2Fprotocol.c;h=9b5270db5dd0201737f71f1a2fabca38ea64e1af;hb=861fa81fdd0e2031e798e6a637b66c6abe2df2d8;hp=ef1ce3edcc6a7f0b8ddb740e91e2c308bf27846b;hpb=269f1e0e49d52833183890ef6edffd8739081c88;p=libsigrok.git

diff --git a/src/hardware/rdtech-tc/protocol.c b/src/hardware/rdtech-tc/protocol.c
index ef1ce3ed..9b5270db 100644
--- a/src/hardware/rdtech-tc/protocol.c
+++ b/src/hardware/rdtech-tc/protocol.c
@@ -29,10 +29,9 @@
 #include "libsigrok-internal.h"
 #include "protocol.h"
 
-#define SERIAL_WRITE_TIMEOUT_MS 1
-
-#define TC_POLL_PERIOD_MS 100
-#define TC_TIMEOUT_MS 1000
+#define PROBE_TO_MS	1000
+#define WRITE_TO_MS	1
+#define POLL_PERIOD_MS	100
 
 static const char *poll_cmd = "getva";
 
@@ -131,13 +130,14 @@ SR_PRIV int rdtech_tc_probe(struct sr_serial_dev_inst *serial, struct dev_contex
 	int len;
 	uint8_t poll_pkt[TC_POLL_LEN];
 
-	if (serial_write_blocking(serial, poll_cmd, strlen(poll_cmd),
-			SERIAL_WRITE_TIMEOUT_MS) < 0) {
+	len = serial_write_blocking(serial,
+		poll_cmd, strlen(poll_cmd), WRITE_TO_MS);
+	if (len < 0) {
 		sr_err("Failed to send probe request.");
 		return SR_ERR;
 	}
 
-	len = serial_read_blocking(serial, devc->buf, TC_POLL_LEN, TC_TIMEOUT_MS);
+	len = serial_read_blocking(serial, devc->buf, TC_POLL_LEN, PROBE_TO_MS);
 	if (len != TC_POLL_LEN) {
 		sr_err("Failed to read probe response.");
 		return SR_ERR;
@@ -161,16 +161,18 @@ SR_PRIV int rdtech_tc_poll(const struct sr_dev_inst *sdi, gboolean force)
 	struct dev_context *devc;
 	int64_t now, elapsed;
 	struct sr_serial_dev_inst *serial;
+	int len;
 
 	devc = sdi->priv;
 	now = g_get_monotonic_time() / 1000;
 	elapsed = now - devc->cmd_sent_at;
-	if (!force && elapsed < TC_POLL_PERIOD_MS)
+	if (!force && elapsed < POLL_PERIOD_MS)
 		return SR_OK;
 
 	serial = sdi->conn;
-	if (serial_write_blocking(serial, poll_cmd, strlen(poll_cmd),
-			SERIAL_WRITE_TIMEOUT_MS) < 0) {
+	len = serial_write_blocking(serial,
+		poll_cmd, strlen(poll_cmd), WRITE_TO_MS);
+	if (len < 0) {
 		sr_err("Unable to send poll request.");
 		return SR_ERR;
 	}