add fix of uart sample

rtt_adapter/rtt_btstack_adapter.c

@@ -35,8 +35,11 @@ int bt_stack_init(void)
 }
 INIT_APP_EXPORT(bt_stack_init);
 
-
+#ifdef BTSTACK_BT_UART_PORT_DEV_NAME
+#define SAMPLE_UART_NAME       BTSTACK_BT_UART_PORT_DEV_NAME
+#else
 #define SAMPLE_UART_NAME       "uart3"
+#endif
 
 /* ?????????? */
 static struct rt_semaphore rx_sem;
@@ -84,6 +87,15 @@ static int uart_sample(int argc, char *argv[])
     {
         rt_strncpy(uart_name, SAMPLE_UART_NAME, RT_NAME_MAX);
     }
+#ifdef BTSTACK_BT_RESET_PIN
+    rt_pin_mode(BTSTACK_BT_RESET_PIN, PIN_MODE_OUTPUT);
+
+    rt_pin_write(BTSTACK_BT_RESET_PIN, PIN_LOW);
+    HAL_Delay(1000);
+    rt_pin_write(BTSTACK_BT_RESET_PIN, PIN_HIGH);
+    HAL_Delay(1000);
+#else
+#ifdef SOC_FAMILY_STM32
 #define BT_AP6212_PIN GET_PIN(I, 11)
     rt_pin_mode(BT_AP6212_PIN, PIN_MODE_OUTPUT);
 
@@ -91,6 +103,10 @@ static int uart_sample(int argc, char *argv[])
     HAL_Delay(1000);
     rt_pin_write(BT_AP6212_PIN, PIN_HIGH);
     HAL_Delay(1000);
+#else
+#error "Please set the reset pin 
+#endif
+#endif
     rt_kprintf("\r\n =====helloworld=====\r\n ");
     /* ?????????? */
     if(serial == NULL)