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9 Adding Chip Peripherals
This section describes how to add analog/digital peripherals to the application

Introduction
1 Getting Started with WBZ451 Curiosity Board
This section covers the evaluation board features and running the preprogrammed demo example.
2 Getting Started with Software Development
This section gives a detailed information on the steps to install IDE, compiler, tool chain, BLE, Zigbee stacks and application examples on the PC.
3 Getting Started with Bluetooth Low Energy Applications
This section provides details on documentation describing the steps to test and develop the precompiled BLE application examples.
4 Getting Started with Zigbee Applications
5 Getting Started with Multiprotocol Applications
This section describes steps to test and develop the precompiled BLE and Zigbee coexistence application examples.
6 Getting Started with IEEE 802.15.4 P2P Phy Application
7 Getting Started with IEEE 802.15.4 MAC Applications
8 Getting Started with Thread Applications
9 Adding Chip Peripherals
This section describes how to add analog/digital peripherals to the application
- 9.1 USART with Direct Pin Enable
  Direct Mode is a mode in which peripherals are running based on function priority for pins and not using Peripheral Pin Selection(PPS).
- 9.2 USART with Peripheral Pin Select (PPS)
  The Peripheral Pin Select (PPS) feature allows digital signals to be moved from their default pin location to another location. To enable a digital peripheral’s input and/or output signals, the appropriate PPS registers must be configured. This can be extremely handy for routing circuit boards. There are cases where a change of I/O position can make a circuit board easier to route. Sometimes mistakes are found too late to fix so having the option to change a pinout mapping in software rather than creating a new printed circuit board can be very helpful.
- 9.3 Clock
10 Flashing hex from MPLAB DISCOVER using MPLAB IPE
This section provides a detailed procedure of how to download an already existing application hex file from MPLAB DISCOVER and flash the hex file into WBZ451 Curiosity Board using MPLAB IPE.
11 Low Power Design
This section explains in detail on how to enable the low power modes – Sleep/Standby or Deep Sleep/Backup modes in the design.
12 Firmware and OTA Updates
This section documents how to enable firmware updates in the design, whether it is serial or Over The Air (OTA)
13 Wireless System Services API
14 Support Documentation
This section has documentation that is generic and used as supporting document with the application example documentation.
15 Software API Guide
16 Porting Guide
Microchip Information

9 Adding Chip Peripherals

This section describes how to add analog/digital peripherals to the application

The Chip Support Package(csp), which is downloaded as part of Install Harmony 3 Dependencies, is used to configure and generate code related to peripherals of choice.

Once a peripheral is added to Project Graph, a user can configure a variety of settings applicable to the peripheral. Upon code generation, users will have a code generated specific to the peripheral. Initialization of the peripheral, for example, SERCOM0_Initiliaze() will be added automatically to the SYS_Initialize() function call.

Figure 9-1. .

Documentation to understand the usage of various API's available for a particular peripheral is available here microchip-mplab-harmony.github.io/csp/?GUID-3D519D00-FDEE-4A3E-9EF7-20F335E64CEE
There are also precompiled application examples available as part of github.com/Microchip-MPLAB-Harmony/csp_apps_pic32cxbz2_wbz45 repo which give users ready to use examples to follow.
Adding UART logs to the BLE application