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ASF4 API Reference Manual ASF4 API

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38 USART Drivers
38.1 USART Asynchronous Driver
38.1.1 Structs
38.1.1.3 usart_async_descriptor Struct
Asynchronous USART descriptor structure.

ASF4 API

1 Advanced Software Framework Version 4 (ASF4) Introduction and Context
This chapter starts with an overview of the features and objectives of ASF4. The context in the larger SW/Tools ecosystem is defined, giving a relation between the ASF4, START, and the IDE. A high-level work-flow overview is presented and documentation resources are described, to give insight into which references to use for what.
2 Software Architecture
3 Driver Implementation and Design Conventions
4 AC Drivers
5 ADC Drivers
6 Analog Glue Function
7 Audio Driver
8 CAN Driver
9 CRC Driver
10 Calendar Drivers
11 Camera Driver
12 Cryptography (AES) Driver
13 DAC Drivers
14 Delay Driver
15 Digital Glue Logic
16 Ethernet MAC Driver
17 Event System Driver
18 External Bus Driver
19 External IRQ Driver
20 Flash Driver
21 Frequency Meter Drivers
22 Graphic LCD Driver
23 Graphics Processing Unit Driver(2D)
24 Hash Algorithm Driver
25 Helper Drivers
26 I2C Drivers
27 I2S Controller Driver
28 MCI Drivers
29 PAC Driver
30 PWM Driver
31 Position Decoder Driver
32 Quad SPI Drivers
33 RAND Driver
34 SPI Drivers
35 Segment LCD Drivers
36 Temperature Sensor Drivers
37 Timer Driver
38 USART Drivers
- 38.1 USART Asynchronous Driver
  - 38.1.1 Structs
    - 38.1.1.1 usart_async_callbacks Struct
      USART callbacks.
    - 38.1.1.2 usart_async_status Struct
      USART status Status descriptor holds the current status of transfer.
    - 38.1.1.3 usart_async_descriptor Struct
      Asynchronous USART descriptor structure.
  - 38.1.2 Defines
  - 38.1.3 Enums
  - 38.1.4 Typedefs
  - 38.1.5 Functions
- 38.2 USART DMA Driver
- 38.3 USART RTOS Driver
- 38.4 USART Synchronous Driver
39 USB Drivers
40 Utility Drivers
41 WDT Driver
42 Revision History
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38.1.1.3 usart_async_descriptor Struct

Asynchronous USART descriptor structure.

Members

io
device
usart_cb
stat
rx
tx_por
tx_buffer
tx_buffer_length

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