conrad-digi-35-cpu: Add missing Makefile.am, minor cosmetics.

[libsigrok.git] / hardware / conrad-digi-35-cpu / protocol.c

diff --git a/hardware/conrad-digi-35-cpu/protocol.c b/hardware/conrad-digi-35-cpu/protocol.c
index 0937bf6d9081cb374197bc5504ea2771a7d2c9ee..7657b319bc2d59a4e2d4555203794689673a1e2f 100644 (file)
--- a/hardware/conrad-digi-35-cpu/protocol.c
+++ b/hardware/conrad-digi-35-cpu/protocol.c
@@ -17,24 +17,23 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-/** @file
- *  <em>Conrad DIGI 35 CPU</em> power supply driver
- *  @internal
+/**
+ * @file
+ * <em>Conrad DIGI 35 CPU</em> power supply driver
+ * @internal
  */
 
 #include "protocol.h"
 
-#include <errno.h>
-#include <string.h>
-
-/** Send command with parameter.
+/**
+ * Send command with parameter.
  *
- *  @param[in] cmd Command
- *  @param[in] param Parameter (0..999, depending on command).
+ * @param[in] cmd Command
+ * @param[in] param Parameter (0..999, depending on command).
  *
- *  @retval SR_OK Success
- *  @retval SR_ERR_ARG Invalid argument.
- *  @retval SR_ERR Error.
+ * @retval SR_OK Success.
+ * @retval SR_ERR_ARG Invalid argument.
+ * @retval SR_ERR Error.
  */
 SR_PRIV int send_msg1(const struct sr_dev_inst *sdi, char cmd, int param)
 {
@@ -53,7 +52,12 @@ SR_PRIV int send_msg1(const struct sr_dev_inst *sdi, char cmd, int param)
                sr_err("Write error for cmd=%c: %d %s", cmd, errno, strerror(errno));
                return SR_ERR;
        }
-       g_usleep(50000); /* Wait 50 ms to ensure that the device does not swallow following commands. */
+
+       /*
+        * Wait 50ms to ensure that the device does not swallow any of the
+        * following commands.
+        */
+       g_usleep(50000);
 
        return SR_OK;
 }