修复：热重启时保持射频时钟

src/cfgad9528/main.c

@@ -21,29 +21,33 @@
 #include "ad9528_config.h"
 
 
-int main(void)
-{
-	int ret;
-
-
-	openSpiDev(SPIDEV_AD9528_NODE_NAME);
-    if(ret < 0 ) {
-        return -1;
+int main(int argc, char *argv[])
+{
+	int ret;
+
+
+	ret = openSpiDev(SPIDEV_AD9528_NODE_NAME);
+    if(ret < 0 ) {
+        return -1;
     }
 
     ret = initSpiDev();
     if(ret < 0 ) {
-        return -1;
-    }
-
-	ret = ad9528_config();
+		return -1;
+    }
+
+	if(argc == 2 && strcmp(argv[1], "--check-ready") == 0) {
+		return ad9528_is_ready() ? 0 : 2;
+	}
+
+	ret = ad9528_config();
 	if(ret == 0) {
 		PRINTF_INFO("ad9528 cfg ok.\r\n");
 	} else {
 		PRINTF_INFO("ERROR:ad9528 cfg fail.\r\n");
 	}
 
-	return 0;
-}
+	return ret == 0 ? 0 : 1;
+}