X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Flink-mso19%2Fprotocol.c;h=19840efb8aa95cf96c9514abb5780c89bb522d61;hb=b07b42f319488d821d23c3310133872df70987c5;hp=d94e2b6c1b3d6625042d26f64d93e4f0f7792cb0;hpb=a24e9d0484c09f972dcb31952a1ab1559bbcdedb;p=libsigrok.git

diff --git a/hardware/link-mso19/protocol.c b/hardware/link-mso19/protocol.c
index d94e2b6c..19840efb 100644
--- a/hardware/link-mso19/protocol.c
+++ b/hardware/link-mso19/protocol.c
@@ -1,5 +1,5 @@
 /*
- * This file is part of the sigrok project.
+ * This file is part of the libsigrok project.
  *
  * Copyright (C) 2011 Daniel Ribeiro <drwyrm@gmail.com>
  * Copyright (C) 2012 Renato Caldas <rmsc@fe.up.pt>
@@ -121,7 +121,7 @@ SR_PRIV int mso_configure_trigger(const struct sr_dev_inst *sdi)
 	uint16_t ops[18];
 	ops[0] = mso_trans(3, threshold_value & 0xff);
 	//The trigger_config also holds the 2 MSB bits from the threshold value
-	ops[1] = mso_trans(4, trigger_config | (threshold_value >> 8) & 0x03);
+	ops[1] = mso_trans(4, trigger_config | ((threshold_value >> 8) & 0x03));
 	ops[2] = mso_trans(5, devc->la_trigger);
 	ops[3] = mso_trans(6, devc->la_trigger_mask);
 	ops[4] = mso_trans(7, devc->trigger_holdoff[0]);
@@ -215,7 +215,8 @@ SR_PRIV int mso_parse_serial(const char *iSerial, const char *iProduct,
 {
 	unsigned int u1, u2, u3, u4, u5, u6;
 
-	iProduct = iProduct;
+	(void)iProduct;
+
 	/* FIXME: This code is in the original app, but I think its
 	 * used only for the GUI */
 	/*    if (strstr(iProduct, "REV_02") || strstr(iProduct, "REV_03"))
@@ -333,7 +334,7 @@ SR_PRIV int mso_configure_rate(const struct sr_dev_inst *sdi, uint32_t rate)
 	return ret;
 }
 
-SR_PRIV int mso_check_trigger(struct sr_serial_dev_inst *serial, uint8_t * info)
+SR_PRIV int mso_check_trigger(struct sr_serial_dev_inst *serial, uint8_t *info)
 {
 	uint16_t ops[] = { mso_trans(REG_TRIGGER, 0) };
 	int ret;
@@ -346,7 +347,8 @@ SR_PRIV int mso_check_trigger(struct sr_serial_dev_inst *serial, uint8_t * info)
 	uint8_t buf = 0;
 	if (serial_read(serial, &buf, 1) != 1)	/* FIXME: Need timeout */
 		ret = SR_ERR;
-	*info = buf;
+	if (!info)
+		*info = buf;
 
 	sr_dbg("Trigger state is: 0x%x.", *info);
 	return ret;
@@ -411,6 +413,7 @@ SR_PRIV int mso_receive_data(int fd, int revents, void *cb_data)
 		/* FIXME: Need to do conversion to mV */
 		analog_out[i] = (devc->buffer[i * 3] & 0x3f) |
 		    ((devc->buffer[i * 3 + 1] & 0xf) << 6);
+		(void)analog_out;
 		logic_out[i] = ((devc->buffer[i * 3 + 1] & 0x30) >> 4) |
 		    ((devc->buffer[i * 3 + 2] & 0x3f) << 2);
 	}