Function 

Description 

vm_bt_spp_accept 

A server uses this function in order to accept a connection when it is notified by the VM_BT_SPP_EVENT_AUTHORIZE event. 

vm_bt_spp_bind 

Creates an SPP instance. 

vm_bt_spp_close 

This function destroys a SPP resource. 

vm_bt_spp_connect 

Connects to a server. 

vm_bt_spp_disconnect 

Disconnects an already opened SPP connection. 

vm_bt_spp_get_device_address 

Get the Bluetooth address with the connection ID. 

vm_bt_spp_get_min_buffer_size 

Gets the bt_spp minimum buffer, returns the minimum size for tx and rx buffer in vm_bt_spp_connect() It is recommended to malloc tx/rx buffer for SPP data transmission, the size is determined by the device. 

vm_bt_spp_open 

Opens bt_spp and returns the resource handle if it is successful. 

vm_bt_spp_read 

Read data over an established connection. 

vm_bt_spp_reject 

The server uses this function to reject when it is notified by the VM_BT_SPP_EVENT_AUTHORIZE event. PARAMETERS. connection_id : Connection ID. 

vm_bt_spp_set_security_level 

Set the security level for the handle. 

vm_bt_spp_set_service_name 

Sets an SPP resource name. 

vm_bt_spp_write 

Writes data over an established connection.