X-Git-Url: https://sigrok.org/gitweb/?p=libsigrok.git;a=blobdiff_plain;f=src%2Fhardware%2Fhp-59306a%2Fprotocol.c;h=69af3610d590f5c89d0f72600ee97ba175d5c7f0;hp=737ffde49931823f419b93a3f5610cdd7ac3af46;hb=97c3c869702ccc8fa3aa0ff05a1b53fd9882a5d3;hpb=12e7abe2197e303c484de0fa61bf2c2a96e3f596

diff --git a/src/hardware/hp-59306a/protocol.c b/src/hardware/hp-59306a/protocol.c
index 737ffde4..69af3610 100644
--- a/src/hardware/hp-59306a/protocol.c
+++ b/src/hardware/hp-59306a/protocol.c
@@ -18,24 +18,33 @@
  */
 
 #include <config.h>
+#include "scpi.h"
 #include "protocol.h"
 
-SR_PRIV int hp_59306a_receive_data(int fd, int revents, void *cb_data)
+SR_PRIV int hp_59306a_switch_cg(const struct sr_dev_inst *sdi,
+	const struct sr_channel_group *cg, gboolean enabled)
 {
-	const struct sr_dev_inst *sdi;
-	struct dev_context *devc;
+	char *cmd;
+	struct channel_group_context *cgc;
+	struct sr_scpi_dev_inst *scpi;
+	int ret;
 
-	(void)fd;
-
-	if (!(sdi = cb_data))
-		return TRUE;
-
-	if (!(devc = sdi->priv))
-		return TRUE;
-
-	if (revents == G_IO_IN) {
-		/* TODO */
+	if (!cg) {
+		if (enabled)
+			cmd = g_strdup("A123456");
+		else
+			cmd = g_strdup("B123456");
+	} else {
+		cgc = cg->priv;
+		if (enabled)
+			cmd = g_strdup_printf("A%zu", cgc->number);
+		else
+			cmd = g_strdup_printf("B%zu", cgc->number);
 	}
 
-	return TRUE;
+	scpi = sdi->conn;
+	ret = sr_scpi_send(scpi, cmd);
+	g_free(cmd);
+
+	return ret;
 }