To enable 20719 HCI mode - Refer this thread: Is there any appliction in wiced studio to bring up the CYW920719 board in Hci mode
20719 will support all standard HCI commands. To develop HCI commands python script on Linux , you can refer any of the below two options / tool :
Yes I am able to send the Hci commnds through hcitool. Thanks lot for your solution. It worked me and helped lot.