这里使用RS485,因此需要对RS485使能端口进行配置,其他为串口的配置,然后在发送和接收中断时候调用modbus相关接口进行处理: 1#include"port.h"23#include"FreeRTOS.h"4#include"queue.h"56#include3/cm3/nvic.h>7#include3/stm32/usart.h>8#include3/stm32/rcc.h>9#include3/stm32/gpio.h>1011/* --- M...
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USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None; USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx; USART_Init(usart_mb, &USART_InitStructure); USART_Cmd(usart_mb, ENABLE); #ifdef FREEMODBUS_PORT_INTERFACE_RS485 //MAX485操作 低电平为接收模式 RS485_T...
最近调试了DM9006的驱动,发现网上参考的代码较少,在F4平台上费了很久时间总是调试通了,这里贴上适合FreeRTOS加lwip的代码,为后来人提供方便,这个芯片是接FSMC几口驱动的,我也是用FSMC驱动的,当然可以特定拿出单片机的16个IO口出来,当作数据传输线进行驱动。 bsp_dm9
3. To flow over. 4. To go beyond a limit: The meeting ran over by 30 minutes. run through 1. To pierce: The soldier was run through by a bayonet. 2. To use up quickly: She ran through all her money. 3. To rehearse quickly: Let's run through the first act again. 4. To go...
• ERR:OVER POWER SUPP [122] This error appears when, in order to maintain the selected current, the Dionex RFC is required to apply a higher voltage than the suppressor can support. To troubleshoot: • Reduce the flow rate. • Rehydrate the suppressor. Refer to the suppressor manual...
Adjusted EBITDA, Adjusted EBITDA margin, non-GAAP gross profit margin, non-GAAP net profit (loss) per share, and free cash flow are non-GAAP measures of financial performance. See “Key Performance Indicators and Non-GAAP Measures” for additional information and “Reconciliation of GAAP to Non...
Dispersal and gene flow determine connectivity among populations, and can be studied through population genetics and phylogeography. We here review the results of such a framework for free-living marine nematodes. Although field experiments have illustrated substantial dispersal in nematodes at ecological ...
The Siberian rivers freeze over in the winter (some of them freeze down to the bottom) and flood widely in the spring. In the dry landlocked areas of Asia only the transit rivers, which are fed by mountain snow and glaciers, have abundant water. These rivers reach peak flow rate and hig...