MG32F10x Standard Peripherals Firmware Library
|
*************** (C) COPYRIGHT 2020 - 2023 megawin Technology *************** * @file DMAC/DMAC_UartToUart_MultiBlock/readme.txt * @author megawin Application Team * @version V0.1.10 * @date 05-January-2023 * @brief Description of the DMAC DMAC_UartToUart_MultiBlock example. ****************************************************************************** * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE * TIME. AS A RESULT, MEGAWIN SHALL NOT BE HELD LIABLE FOR ANY DIRECT, * INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM * THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. ******************************************************************************
This example describes how to use DMAC to transfer data received by UART to UART.
In this example, Main clock is from PLL clock and it is configured at 96MHz. The PLL clock is based on 8MHz HSE. APB1 and APB2 clock is from Main clock.
In this example, UART2->RBR is used as the source of DMA transfer, and UART2->THR is used as the target of DMA transfer. DMAC2 Channel 0 enables automatic source reload function and automatic target reload function. When this example runs, it will print out relevant information through UART1, and enter any character to start DMA transmission. Then DMAC will transfer the data received by UART2 to UART2, and then send it out.
In order to make the program work, you must do the following :
Run the example