  board.h | Standard board header file |
| board_init.c | SAM D21 Xplained Pro board initialization |
| clock.c | SAM D21/R21/DA/HA Clock Driver |
| clock.h | SAM Clock Driver |
| clock_config_check.h | SAM D21/R21/DA/HA Clock Driver |
| clock_feature.h | SAM Clock Driver |
| compiler.h | Commonly used includes, types and macros |
| conf_app.h | Application configuration |
| conf_board.h | SAM D21 Xplained Pro board configuration |
| conf_clocks.h | SAM D21 Clock configuration |
| conf_extint.h | SAM D21 External Interrupt Driver Configuration Header |
| conf_sleepmgr.h | Sleep manager configuration |
| conf_usb.h | USB configuration file for CDC application |
| extint.c | SAM External Interrupt Driver |
| extint.h | SAM External Interrupt Driver |
| extint_callback.c | SAM External Interrupt Driver |
| extint_callback.h | SAM External Interrupt Driver |
| gclk.c | SAM D21/R21/DA/HA Generic Clock Driver |
| gclk.h | SAM Generic Clock Driver |
| i2c_common.h | SAM SERCOM I2C Common Driver |
| i2c_master.c | SAM I2C Master Driver |
| i2c_master.h | SAM SERCOM I2C Master Driver |
| i2c_master_interrupt.c | SAM I2C Master Interrupt Driver |
| i2c_master_interrupt.h | SAM SERCOM I2C Master Interrupt Driver |
| interrupt.h | Global interrupt management for 8- and 32-bit AVR |
| interrupt_sam_nvic.c | Global interrupt management for SAM D20, SAM3 and SAM4 (NVIC based) |
| interrupt_sam_nvic.h | Global interrupt management for SAM D20, SAM3 and SAM4 (NVIC based) |
| io.h | Arch file for SAM0 |
| main.c | I2C Master Bootloader Bridge Application |
| main.h | Main functions |
| mrecursion.h | Preprocessor macro recursion utils |
| mrepeat.h | Preprocessor macro repeating utils |
| parts.h | Atmel part identification macros |
| pinmux.c | SAM Pin Multiplexer Driver |
| pinmux.h | SAM Pin Multiplexer Driver |
| port.c | SAM GPIO Port Driver |
| port.h | SAM GPIO Port Driver |
| power.h | SAM Power related functionality |
| preprocessor.h | Preprocessor utils |
| qs_i2c_master_basic_use.h | SAM SERCOM I2C Master Quick Start Guide |
| qs_i2c_master_callback.h | SAM SERCOM I2C Master Interface Driver |
| qs_i2c_master_dma.h | SAM SERCOM I2C Master Driver with DMA Quick Start Guide |
| qs_pinmux_basic.h | SAM PINMUX Driver Quick Start |
| qs_port_basic.h | SAM GPIO Port Driver Quick Start |
| qs_usart_basic_use.h | SAM USART Quick Start |
| qs_usart_dma_use.h | SAM Quick Start Guide for Using Usart driver with DMA |
| read.c | System-specific implementation of the _read function used by the standard library |
| reset.h | SAM Reset related functionality |
| samd21_xplained_pro.h | SAM D21 Xplained Pro board definition |
| sercom.c | SAM Serial Peripheral Interface Driver |
| sercom.h | SAM Serial Peripheral Interface Driver |
| sercom_interrupt.c | SAM Serial Peripheral Interface Driver |
| sercom_interrupt.h | SAM Serial Peripheral Interface Driver |
| sercom_pinout.h | SAM SERCOM Module Pinout Definitions |
| serial.h | Serial Mode management |
| sleepmgr.c | Chip-specific sleep manager configuration |
| samd/sleepmgr.h | Chip-specific sleep manager configuration |
| sleepmgr.h | Sleep manager |
| status_codes.h | Status code definitions |
| stdio_serial.h | Common Standard I/O Serial Management |
| stringz.h | Preprocessor stringizing utils |
| system.c | SAM System related functionality |
| system.h | SAM System related functionality |
| system_interrupt.c | SAM System Interrupt Driver |
| system_interrupt.h | SAM System Interrupt Driver |
| system_interrupt_features.h | SAM D21 System Interrupt Driver |
| tpaste.h | Preprocessor token pasting utils |
| udc.c | USB Device Controller (UDC) |
| udc.h | Interface of the USB Device Controller (UDC) |
| udc_desc.h | Common API for USB Device Interface |
| udd.h | Common API for USB Device Drivers (UDD) |
| udi.h | Common API for USB Device Interface |
| udi_cdc.c | USB Device Communication Device Class (CDC) interface |
| udi_cdc.h | USB Device Communication Device Class (CDC) interface definitions |
| udi_cdc_conf.h | Default CDC configuration for a USB Device with a single interface |
| udi_cdc_desc.c | Default descriptors for a USB Device with a single interface CDC |
| ui.c | User Interface |
| ui.h | Common User Interface for CDC application |
| usart.c | SAM SERCOM USART Driver |
| usart.h | SAM SERCOM USART Driver |
| usart_serial.h | USART Serial wrapper service for the SAM D/L/C/R devices |
| usb.c | SAM USB Driver |
| usb.h | SAM USB Driver |
| usb_atmel.h | All USB VIDs and PIDs from Atmel USB applications |
| usb_device_udd.c | USB Device wrapper layer for compliance with common driver UDD |
| usb_dual.c | SAM USB Dual Role driver file |
| usb_dual.h | SAM USB Dual Role driver header file |
| usb_protocol.h | USB protocol definitions |
| usb_protocol_cdc.h | USB Communication Device Class (CDC) protocol definitions |
 write.c | System-specific implementation of the _write function used by the standard library |
1.8.5