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pvvx 2017-06-21 03:00:20 +03:00
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USDK/example_sources/uart_stream_dma/readme.txt Normal file
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Example Description
This example describes how to use UART to communicate with PC.
Required Components:
USBtoTTL adapter
Connect to PC
- Connect Ground: connect to GND pin via USBtoTTL adapter
- Use UART1
GPIOA_6 as UART1_RX connect to TX of USBtoTTL adapter
GPIOA_7 as UART1_TX connect to RX of USBtoTTL adapter
Open Super terminal or teraterm and
set baud rate to 38400, 1 stopbit, no parity, no flow contorl.
This example shows:
1. The RX data ready interrupt service routine is used to receive characters from the PC, and then loopback them to the PC.
2. The TX done interrupt service routine will send a prompt string "8195a$" to the PC.