With the basic use of GPIO port, in addition to driving the OLED screen, it can also be used to drive the corresponding digital sensor. Here, the light intensity sensor is driven, and the display func...
[i=s]This post was last edited by dcexpert on 2020-10-6 18:16[/i]Let's first demonstrate the running effect, which is completely controlled by touch keys.Start : Touch both touch keys at the same time...
[i=s] This post was last edited by tinnu on 2020-10-25 23:18[/i](1) Enable DMA
The recommended DMA sending USART mode in the routine:
void USART_DMA_Init(void)
{dma_single_data_parameter_struct dma_in...