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Uart block_read_write

Overview

After the application starts, perform the following 2 operations:

  1. Initialize serial port 1

  2. Cyclically read data from serial port 1 blocking mode and write back to serial port 1

Requirements

  1. Note that the configuration of serial port 1 in the device table matches the board

Building and flashing

Sample location: examples/peripheral/uart/block_read_write For operations such as compiling and burning, please refer to: [Quick Start] (../../../../../get_started/index. html # build function)

Running result

Successfully running will output the following logs

D/dt              [0.002] add device iflash
D/ptb             [0.002] partition table base 0xe000
D/ft              [0.002] ft_0 base 0, ft_1 base 1000
D/ft              [0.004] ft init too
D/ft              [0.004] ft init 1
D/main            [0.004] boot reason 0
D/main            [0.004] heap size 273160(266.76KB)
D/main            [0.004] flash size 0x200000(2MB)
I/exam_uart       [0.006] uart block read write demo start.

D/dt              [0.006] add device uart1