Adc+Dma; Dac - Waveshare Open429I-C (HAL) User Manual

Open429I-C User Manual
2.7.

ADC+DMA

Overview
⚫
AD acquisition demo, DMA transfer
Hardware connection
⚫
Connect Analog Test Board to SPI1 (ADC+DAC)connector
Operation and result
⚫
Rotate the onboard potentiometer, the below message will be printed on the
serial debugging assistant:
******** ADC DMA Example ********
AD1 value = 3.298V
AD2 value = 1.647V
******** ADC DMA Example ********
AD1 value = 3.298V
AD2 value = 1.647V
2.8.

DAC

Overview
⚫
DA output demo, output via DMA channel
Version: V1.3.3, Date: 2019.04.02 12 / 47