X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Frdtech-um%2Fprotocol.h;h=159031a7885c286a4f28683dbf3cf484e0f0bf27;hb=85accbc2e7c14b49039b5a9a3fc8afc169a9acc0;hp=f344f1b9eb2960e10a1664e2944a3d46f1bfae25;hpb=fda34e5af6e7a11744035c1c8df2f2b2f95cf1d8;p=libsigrok.git

diff --git a/src/hardware/rdtech-um/protocol.h b/src/hardware/rdtech-um/protocol.h
index f344f1b9..159031a7 100644
--- a/src/hardware/rdtech-um/protocol.h
+++ b/src/hardware/rdtech-um/protocol.h
@@ -33,27 +33,19 @@ enum rdtech_um_model_id {
 	RDTECH_UM34C = 0x0d4c,
 };
 
-enum rdtech_um_checksum {
-	RDTECH_CSUM_STATIC_FFF1,
-	RDTECH_CSUM_UM34C,
-};
-
 /* Supported device profiles */
 struct rdtech_um_profile {
 	const char *model_name;
 	enum rdtech_um_model_id model_id;
 	const struct binary_analog_channel *channels;
-
-	/* Verify poll packet checksum; return 1 if OK, 0 otherwise. */
-	int (*poll_csum)(char buf[], int len);
+	gboolean (*csum_ok)(const uint8_t *buf, size_t len);
 };
 
 struct dev_context {
 	const struct rdtech_um_profile *profile;
 	struct sr_sw_limits limits;
-
-	char buf[RDTECH_UM_BUFSIZE];
-	int buflen;
+	uint8_t buf[RDTECH_UM_BUFSIZE];
+	size_t buflen;
 	int64_t cmd_sent_at;
 };