X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fgmc-mh-1x-2x%2Fapi.c;h=efb9e009c71b4d25f0b3a2fa66a12ca38f443e8e;hb=da005885c8ebbf98772f75126764f758b2640d11;hp=13918c6365d6846ddcc4451f7d95c433ad16d08d;hpb=4f840ce965b1c30c5ab75afecc56193cbaf5c1b3;p=libsigrok.git

diff --git a/src/hardware/gmc-mh-1x-2x/api.c b/src/hardware/gmc-mh-1x-2x/api.c
index 13918c63..efb9e009 100644
--- a/src/hardware/gmc-mh-1x-2x/api.c
+++ b/src/hardware/gmc-mh-1x-2x/api.c
@@ -58,7 +58,6 @@ static const uint32_t devopts_bd[] = {
 	SR_CONF_POWER_OFF | SR_CONF_GET | SR_CONF_SET,
 };
 
-
 /* TODO:
  * - For the 29S SR_CONF_ENERGYMETER, too.
  * - SR_CONF_PATTERN_MODE for some 2x devices
@@ -66,7 +65,6 @@ static const uint32_t devopts_bd[] = {
  * Need to implement device-specific lists.
  */
 
-/** Init driver. */
 static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx)
 {
 	return std_init(sr_ctx, di, LOG_PREFIX);
@@ -110,7 +108,7 @@ static enum model scan_model_sm(struct sr_serial_dev_inst *serial)
 	gint64 timeout_us;
 
 	model = METRAHIT_NONE;
-	timeout_us = g_get_monotonic_time() + 1 * 1000 * 1000;
+	timeout_us = g_get_monotonic_time() + (1 * 1000 * 1000);
 
 	/*
 	 * Try to find message consisting of device code and several
@@ -237,8 +235,9 @@ static GSList *scan_1x_2x_rs232(struct sr_dev_driver *di, GSList *options)
 	return devices;
 }
 
-/** Scan for Metrahit 2x in a bidirectional mode using Gossen Metrawatt 'BD 232' interface.
- *
+/**
+ * Scan for Metrahit 2x in a bidirectional mode using Gossen Metrawatt
+ * 'BD 232' interface.
  */
 static GSList *scan_2x_bd232(struct sr_dev_driver *di, GSList *options)
 {
@@ -297,18 +296,18 @@ static GSList *scan_2x_bd232(struct sr_dev_driver *di, GSList *options)
 		goto exit_err;
 
 	/* Wait for reply from device(s) for up to 2s. */
-	timeout_us = g_get_monotonic_time() + 2*1000*1000;
+	timeout_us = g_get_monotonic_time() + (2 * 1000 * 1000);
 
 	while (timeout_us > g_get_monotonic_time()) {
 		/* Receive reply (14 bytes) */
 		devc->buflen = 0;
-		for (cnt = 0; cnt < 14; cnt++) {
+		for (cnt = 0; cnt < GMC_REPLY_SIZE; cnt++) {
 			byte = read_byte(serial, timeout_us);
 			if (byte != -1)
 				devc->buf[devc->buflen++] = (byte & MASK_6BITS);
 		}
 
-		if (devc->buflen != 14)
+		if (devc->buflen != GMC_REPLY_SIZE)
 			continue;
 
 		devc->addr = devc->buf[0];
@@ -346,15 +345,13 @@ exit_err:
 
 	if (serial)
 		sr_serial_dev_inst_free(serial);
-	if (devc)
-		g_free(devc);
+	g_free(devc);
 	if (sdi)
 		sr_dev_inst_free(sdi);
 
 	return NULL;
 }
 
-/** Driver device list function */
 static GSList *dev_list(const struct sr_dev_driver *di)
 {
 	return ((struct drv_context *)(di->priv))->instances;
@@ -383,7 +380,6 @@ static int cleanup(const struct sr_dev_driver *di)
 	return std_dev_clear(di, NULL);
 }
 
-/** Get value of configuration item */
 static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
 		const struct sr_channel_group *cg)
 {
@@ -392,8 +388,6 @@ static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *s
 
 	(void)cg;
 
-	ret = SR_OK;
-
 	if (!sdi || !(devc = sdi->priv))
 		return SR_ERR_ARG;
 
@@ -415,7 +409,7 @@ static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *s
 	return ret;
 }
 
-/** Implementation of config_list, auxiliary function for common parts, */
+/** Implementation of config_list, auxiliary function for common parts. */
 static int config_list_common(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
 		const struct sr_channel_group *cg)
 {