GR551x SDK Directory Structure
The folder directory structure of GR551x SDK is shown in Figure 11.
Detailed descriptions of folders in GR551x SDK are shown in Table 5.
| Folder | Description |
|---|---|
| build\config | Project configuration directory that stores the custom_config.h template file. Contents in this file are used to configure project parameters. |
| build\gcc | GCC tools |
| build\iar | IAR tools |
| build\keil | Keil MDK tools |
| components\drivers_ext | Drivers of third-party components on the development board |
| components\libraries | Libraries provided in GR551x SDK |
| components\profiles | Source files of GATT Services/Service Clients implementation examples provided in GR551x SDK |
| components\sdk | API header files provided in GR551x SDK |
| documentation | GR551x API references |
| drivers\inc | Header files used by the GR551x peripheral drivers |
| drivers\src | Source code used by the GR551x peripheral drivers |
| external\freertos | Source code of FreeRTOS (a third-party program) |
| external\mbedtls | Source code of Mbed (a third-party program) |
| external\nanopb | Source code of Nanopb (a third-party program) |
| external\segger_rtt | Source code of SEGGER RTT (a third-party program) |
| platform\arch | Toolchain files of CMSIS |
| platform\boards | Source files for initialing GR5515 Starter Kit Board (GR5515 SK Board). The files are used for initializing basic peripherals at board level. |
| platform\include | Common header files related to platform |
| platform\soc\common | Public source files compatible to GR551x SoCs. The files include gr_interrupt.c, gr_platform.c, and gr_system.c. |
| platform\soc\linker | Symbol table files and library files provided in the GR551x SDK for the linker |
| platform\soc\include | Common header files closely related to driver underlying configurations such as registers and clock configurations |
| platform\soc\src | gr_soc.c, which is about initialization processes closely related to SoCs. The processes include initializing Flash and NVDS, configuring crystal, and calibrating PMU. |
| projects\ble | Bluetooth LE application project examples, such as Heart Rate Sensor and Proximity Reporter |
| projects\peripheral | Peripheral project examples of a GR551x SoC |
| tools | Development and debugging software of the GR551x |
