1. support UART HCI, devolper need not to make a bridge between VHCI and UART. 2. fix bug of rand/srand called in ISR. 3. fix bug of BLE rx packets may cause assert.
1. support UART HCI, devolper need not to make a bridge between VHCI and UART. 2. fix bug of rand/srand called in ISR. 3. fix bug of BLE rx packets may cause assert.