User Manual

Open429I-C User Manual

Version: V1.3.3, Date: 2019.04.02 11 / 47

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2.6.2. USART_IT

⚫ Overview

Use HAL Interrupt measure, UART demo.

⚫ Operation and result

Download codes then press Reset button. With Serial assistance software, it

require to you input 10 characters, it will send and echo (for example, input string

Open4x9i-C)

****UART-Hyperterminal communication based on IT ****

Enter 10 characters using keyboard :

Open4x9I-C

Example Finished

2.6.3. USART_DMA

⚫ Overview

Use HAL DMA measure, UART demo.

⚫ Operation and result

Download codes then press Reset button. Information are printed as below:

**** UART-Hyperterminal communication based on DMA ***

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