From a5ce13699896f7d9328d76fec1c99778bb5dd631 Mon Sep 17 00:00:00 2001
From: mculover666 <2412828003@qq.com>
Date: Tue, 11 Aug 2020 19:22:40 +0800
Subject: [PATCH] add deinit func in esp8266 driver

---
 devices/esp8266/esp8266.c | 15 +++++++++++++++
 devices/esp8266/esp8266.h |  2 ++
 2 files changed, 17 insertions(+)

diff --git a/devices/esp8266/esp8266.c b/devices/esp8266/esp8266.c
index bfbc1c4e..732700c3 100644
--- a/devices/esp8266/esp8266.c
+++ b/devices/esp8266/esp8266.c
@@ -475,3 +475,18 @@ int esp8266_sal_init(hal_uart_port_t uart_port)
     return 0;
 }
 
+int esp8266_sal_deinit()
+{
+    int id = 0;
+
+    for (id = 0; id < AT_DATA_CHANNEL_NUM; ++id) {
+        tos_sal_module_close(id);
+    }
+
+    tos_sal_module_register_default();
+
+    tos_at_deinit();
+    
+    return 0;
+}
+
diff --git a/devices/esp8266/esp8266.h b/devices/esp8266/esp8266.h
index c5add3f9..2e8370a7 100644
--- a/devices/esp8266/esp8266.h
+++ b/devices/esp8266/esp8266.h
@@ -40,5 +40,7 @@ int esp8266_sal_init(hal_uart_port_t uart_port);
 
 int esp8266_join_ap(const char *ssid, const char *pwd);
 
+int esp8266_sal_deinit(void);
+
 #endif /* __ESP8266_H__ */