From 96b0c8c37c15abf4768bdf700d25cc35073a26b2 Mon Sep 17 00:00:00 2001
From: mculover666 <2412828003@qq.com>
Date: Tue, 11 Aug 2020 19:20:25 +0800
Subject: [PATCH] add deinit func in sal wrapper and ec20

---
 devices/ec20/ec20.c                         | 15 +++++++++++++++
 devices/ec20/ec20.h                         |  6 +-----
 net/sal_module_wrapper/sal_module_wrapper.c |  7 +++++++
 net/sal_module_wrapper/sal_module_wrapper.h | 11 +++++++++++
 4 files changed, 34 insertions(+), 5 deletions(-)

diff --git a/devices/ec20/ec20.c b/devices/ec20/ec20.c
index 01e0ef5f..565360f0 100644
--- a/devices/ec20/ec20.c
+++ b/devices/ec20/ec20.c
@@ -551,3 +551,18 @@ int ec20_sal_init(hal_uart_port_t uart_port)
     return 0;
 }
 
+int ec20_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/ec20/ec20.h b/devices/ec20/ec20.h
index aaa7669e..0863771e 100644
--- a/devices/ec20/ec20.h
+++ b/devices/ec20/ec20.h
@@ -20,12 +20,8 @@
 
 #include "tos_hal.h"
 
-typedef enum sal_send_mode {
-    SAL_SEND_MODE_NORMAL,
-    SAL_SEND_MODE_TRANSPARENT,
-} sal_send_mode_t;
-
 int ec20_sal_init(hal_uart_port_t uart_port);
+int ec20_sal_deinit(void);
 
 #endif /* __EC20_H__ */
 
diff --git a/net/sal_module_wrapper/sal_module_wrapper.c b/net/sal_module_wrapper/sal_module_wrapper.c
index 12531cbb..5449b479 100644
--- a/net/sal_module_wrapper/sal_module_wrapper.c
+++ b/net/sal_module_wrapper/sal_module_wrapper.c
@@ -12,6 +12,13 @@ int tos_sal_module_register(sal_module_t *module)
     return -1;
 }
 
+int tos_sal_module_register_default()
+{
+    g_sal_module = NULL;
+
+    return 0;
+}
+
 int tos_sal_module_init(void)
 {
     if (g_sal_module && g_sal_module->init) {
diff --git a/net/sal_module_wrapper/sal_module_wrapper.h b/net/sal_module_wrapper/sal_module_wrapper.h
index 74c11393..f481dd7c 100644
--- a/net/sal_module_wrapper/sal_module_wrapper.h
+++ b/net/sal_module_wrapper/sal_module_wrapper.h
@@ -63,6 +63,17 @@ typedef struct sal_module_st {
  */
 int tos_sal_module_register(sal_module_t *module);
 
+/**
+ * @brief Register a default sal module.
+ *
+ * @attention None
+ *
+ * @param[in] None
+ *
+ * @return  errcode
+ */
+int tos_sal_module_register_default(void);
+
 /**
  * @brief Initialize the module.
  *