如何使用STM32CubeMX配置ETH 如何用stm32cubemx 设置 FLASH读写配置

\u5982\u4f55\u4f7f\u7528STM32CubeMX\u914d\u7f6eETH

\u5177\u4f53\u914d\u7f6e\u8fc7\u7a0b\uff1a
1\u3001\u6253\u5f00STM32CubeMX\uff0c\u5e76\u9009\u62e9\u597d\u76f8\u5e94\u7684\u82af\u7247\u3002\u6587\u4e2d\u7684\u82af\u7247\u4e3aSTM32F207VCT6\uff0c\u9009\u62e9\u540e\u5982\u4e0b\u56fe\uff1a


2\u3001\u914d\u7f6eRCC\u65f6\u949f\u3001ETH\u3001PA8\u4ee5\u53ca\u4f7f\u80fdLWIP\uff1b
\u7531\u4e8e\u6b64\u5904\u6211\u4eec\u7684\u5f00\u53d1\u677f\u786c\u4ef6\u4e0a\u4e3aRMII\u65b9\u5f0f\uff0c\u56e0\u6b64\u9009\u62e9ETH-RMII\uff0c\u82e5\u6709\u540c\u5fd7\u7684\u5f00\u53d1\u677f\u4e3aMII\u65b9\u5f0f\uff0c\u8bf7\u53c2\u8003MII\u7684\u914d\u7f6e\u65b9\u6cd5\uff0c\u6b64\u5904\u53ea\u9488\u5bf9RMII\uff1b
RCC\u9009\u62e9\u5916\u90e8\u65f6\u949f\u6e90\uff0c\u53e6\u5916\u52fe\u9009MCO1\uff0c\u8f6f\u4ef6\u4f1a\u81ea\u52a8\u5c06PA8\u914d\u7f6e\u4e3aMCO1\u6a21\u5f0f\uff0c\u8be5\u5f15\u811a\u5bf9\u4e8eRMII\u65b9\u5f0f\u5f88\u91cd\u8981\uff0c\u7528\u4e8e\u4e3aPHY\u82af\u7247\u63d0\u4f9b50MHz\u65f6\u949f\uff1b
\u4f7f\u80fdLWIP\uff1b

3\u3001\u65f6\u949f\u6811\u7684\u76f8\u5173\u914d\u7f6e\uff0c\u5fc5\u987b\u4fdd\u8bc1MCO1\u8f93\u51fa\u4e3a50Mhz\uff0c\u5982\u679c\u8fd9\u4e2a\u9891\u7387\u4e0d\u5bf9\u4f1a\u5bfc\u81f4PHY\u82af\u7247\u65e0\u6cd5\u5de5\u4f5c\uff1b
\u6211\u8fd9\u91cc\u56e0\u4e3a\u82af\u7247\u4e3a207VCT6\uff0c\u4e3a\u4e86\u4f7fMCO1\u8f93\u51fa\u4e3a50Mhz\uff0c\u505a\u4e86PLL\u500d\u9891\u53c2\u6570\u7684\u4e00\u4e9b\u8c03\u6574\uff0c\u603b\u4f53\u5982\u4e0b\uff1a\uff08\u540c\u5fd7\u4eec\u914d\u7f6e\u65f6\u53ef\u6839\u636e\u81ea\u5df1\u7684\u82af\u7247\u7075\u6d3b\u914d\u7f6e\uff0c\u4f46\u9700\u4fdd\u8bc1MCO1\u7684\u8f93\u51fa\u4e3a50Mhz\uff09

4\u3001ETH\u3001LWIP\u3001RCC\u76f8\u5173\u53c2\u6570\u8bbe\u7f6e\uff1b
\u81f3\u6b64\uff0c\u6bd4\u8f83\u91cd\u8981\u7684\u90fd\u5728\u524d\u9762\u4e86\uff0c\u4f46\u662f\u8fd8\u6709\u4e00\u70b9\u4ecd\u9700\u8981\u6ce8\u610f\uff0c\u5373PA8\u5f15\u811a\u8f93\u51fa\u901f\u5ea6\uff0c\u51e0\u6b21\u4e0d\u6210\u529f\u90fd\u662f\u56e0\u4e3a\u8fd9\u4e2a\u5f15\u811a\u6ca1\u6ce8\u610f\u3002

\u540e\u7eed\u7684\u53c2\u6570\u8bbe\u7f6e\u53ef\u4ee5\u6839\u636e\u540c\u5fd7\u4eec\u81ea\u5df1\u7684\u9700\u6c42\u5206\u522b\u8bbe\u7f6e\uff0c\u8fd9\u91cc\u7ed9\u51fa\u6211\u7684\u8bbe\u7f6e\u4f9b\u53c2\u8003\uff1b
ETH\u53c2\u6570\u4fdd\u6301\u9ed8\u8ba4\uff0c\u4f46\u4e2d\u65ad\u52fe\u9009\u4e00\u4e0b\uff1b

LWIP\u53c2\u6570\u8bbe\u7f6e\u5982\u4e0b\uff1a\uff08\u56e0\u4e3a\u6211\u8fd9\u91cc\u662f\u914d\u7f6eUDP\u670d\u52a1\u5668\uff0cIP\u9009\u62e9\u9759\u6001\u5206\u914d\uff09

5\u3001\u751f\u6210\u5de5\u7a0b\uff0c\u505a\u6700\u540e\u7684\u51fd\u6570\u4fee\u6539\uff1b
\u7ed9\u751f\u6210\u7684\u5de5\u7a0b\u6dfb\u52a0UDP\u670d\u52a1\u5668\u7684\u521d\u59cb\u5316\u4ee5\u53ca\u7aef\u53e3\u7ed1\u5b9a\u7b49\u76f8\u5173\u51fd\u6570\uff1b
\u6211\u8fd9\u91cc\u76f4\u63a5\u5c06\u4e4b\u524d\u7684\u5b98\u65b9\u4f8b\u7a0b\u4e2d\u7684UDP\u670d\u52a1\u5668\u6587\u4ef6\u52a0\u8fdb\u6765\uff0c\u5982\u4e0b\uff1a

\u4e4b\u540e\u5c06.c\u6587\u4ef6\u6dfb\u52a0\u5230\u7528\u6237\u7a0b\u5e8f\uff0c\u4e3b\u51fd\u6570\u6dfb\u52a0Udp\u7684.h\u5934\u6587\u4ef6\uff1b\u5982\u4e0b\uff1a\uff08udp\u6587\u4ef6\u7684\u5177\u4f53\u5185\u5bb9\u5728\u540e\u9762\u7ed9\u51fa\uff09

6\u3001\u4e3b\u51fd\u6570\u8fd8\u9700\u8981\u6dfb\u52a0\u4e00\u4e0b\u51e0\u4e2a\u51fd\u6570\uff0c\u5728\u8fd9\u91cc\u4e0d\u5bf9\u51fd\u6570\u4f5c\u7528\u53ca\u5b9e\u73b0\u539f\u7406\u8bb2\u89e3\uff0c\u4ec5\u505a\u6dfb\u52a0\u8bf4\u660e\u3002


\u9644\uff1audp_echoserver\u76f8\u5173\u6587\u4ef6\u5185\u5bb9\uff08\u8be5\u6587\u4ef6\u4e3a\u5b98\u65b9\u7684\u793a\u4f8b\u7a0b\u5e8f\uff0c\u7248\u6743\u5f52\u5b98\u65b9\uff0c\u6b64\u5904\u505a\u8f6c\u8f7d\uff09
udp_echoserver.c\u7684\u5185\u5bb9\u5982\u4e0b\uff1a

/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "lwip/pbuf.h"
#include "lwip/udp.h"
#include "lwip/tcp.h"
#include
#include


/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
#define UDP_SERVER_PORT 7 /* define the UDP local connection port */
#define UDP_CLIENT_PORT 7 /* define the UDP remote connection port */


/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
void udp_echoserver_receive_callback(void *arg, struct udp_pcb *upcb, struct pbuf *p, const ip_addr_t *addr, u16_t port);


/* Private functions ---------------------------------------------------------*/


/**
* @brief Initialize the server application.
* @param None
* @retval None
*/
void udp_echoserver_init(void)
{
struct udp_pcb *upcb;
err_t err;

/* Create a new UDP control block */
upcb = udp_new();

if (upcb)
{
/* Bind the upcb to the UDP_PORT port */
/* Using IP_ADDR_ANY allow the upcb to be used by any local interface */
err = udp_bind(upcb, IP_ADDR_ANY, UDP_SERVER_PORT);

if(err == ERR_OK)
{
/* Set a receive callback for the upcb */
udp_recv(upcb, udp_echoserver_receive_callback, NULL);
}
}
}


/**
* @brief This function is called when an UDP datagrm has been received on the port UDP_PORT.
* @param arg user supplied argument (udp_pcb.recv_arg)
* @param pcb the udp_pcb which received data
* @param p the packet buffer that was received
* @param addr the remote IP address from which the packet was received
* @param port the remote port from which the packet was received
* @retval None
*/
void udp_echoserver_receive_callback(void *arg, struct udp_pcb *upcb, struct pbuf *p, const ip_addr_t *addr, u16_t port)
{


/* Connect to the remote client */
udp_connect(upcb, addr, UDP_CLIENT_PORT);

/* Tell the client that we have accepted it */
udp_send(upcb, p);


/* free the UDP connection, so we can accept new clients */
udp_disconnect(upcb);

/* Free the p buffer */
pbuf_free(p);

}


udp_echoserver.h\u7684\u5185\u5bb9\u5982\u4e0b\uff1a

#ifndef __ECHO_H__
#define __ECHO_H__

void udp_echoserver_init(void);

#endif /* __MINIMAL_ECHO_H */


7\u3001\u81f3\u6b64\uff0c\u6240\u6709\u7684\u5de5\u4f5c\u5b8c\u6210\uff0c\u7f16\u8bd1\u5de5\u7a0b\uff0c\u4e0b\u8f7d\u81f3\u5f00\u53d1\u677f\u3002\u7531\u4e8eudp_echoserver\u4e2d\u7ed1\u5b9a\u7684\u7aef\u53e3\u53f7\u4e3a7\uff0c\u8fd9\u91cc\u6211\u4eec\u901a\u8fc7\u6d4b\u8bd5\u5de5\u5177\u6d4b\u8bd5\u7f51\u7edc\u7684\u529f\u80fd\uff0c

1.\u65b0\u5efa\u5de5\u7a0b
\u6253\u5f00STM32cubeMX\u8f6f\u4ef6\uff0c\u70b9\u51fbNew Project\u3002\u9009\u62e9\u5bf9\u5e94\u5f00\u677fMCU\uff08STM32F103ZET6\uff09\u3002
\u9009\u62e9\u5de5\u7a0b\u540e\u8fdb\u5165\u5de5\u7a0b\u754c\u9762\uff0c\u5982\u4e0b\u56fe\u6240\u793a\u3002
2. \u914d\u7f6e\u5916\u8bbe\u3002
RCC\u8bbe\u7f6e\uff0c\u9009\u62e9HSE\uff08\u5916\u90e8\u9ad8\u901f\u65f6\u949f\uff09\u4e3aCrystal/Ceramic Resonator\uff08\u6676\u632f/\u9676\u74f7\u8c10\u632f\u5668\uff09
GPIO\u53e3\u529f\u80fd\u9009\u62e9\uff0cPF6,PF7,PF8,PF9\u4e3aLED1-LED4.\u627e\u5230\u5bf9\u5e94\u7ba1\u811a\u8bbe\u7f6e\u4e3aGPIO_Output\u6a21\u5f0f\u3002\uff08\u9ec4\u8272\u5f15\u811a\u4e3a\u8be5\u529f\u80fd\u7684GPIO\u5df2\u88ab\u7528\u4f5c\u5176\u4ed6\u529f\u80fd\uff0c\u53ef\u4ee5\u5ffd\u7565\u3002\u7eff\u8272\u8868\u793a\u7ba1\u811a\u5df2\u4f7f\u7528\uff09
3. \u65f6\u949f\u914d\u7f6e
\u65f6\u949f\u914d\u7f6e\u91c7\u7528\u56fe\u5f62\u914d\u7f6e\uff0c\u76f4\u89c2\u7b80\u5355\u3002\u5404\u4e2a\u5916\u8bbe\u65f6\u949f\u4e00\u76ee\u4e86\u7136\u3002STM32\u6700\u9ad8\u65f6\u949f\u4e3a72M\uff0c\u6b64\u5904\u53ea\u6709\u5728HCLK\u5904\u8f93\u516572\uff0c\u8f6f\u4ef6\u5373\u53ef\u81ea\u52a8\u914d\u7f6e\u3002\uff08RCC\u9009\u62e9\u5916\u90e8\u9ad8\u901f\u65f6\u949f\uff09\u3002
4.\u529f\u80fd\u5916\u8bbe\u914d\u7f6e
\u5728\u914d\u7f6e\u6846\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u6709\u51e0\u4e2a\u533a\u57df\uff0c\u5206\u522b\u5bf9\u5e94\u7684\u529f\u80fd\u8bbe\u7f6e\u5982\u4e0b
Multimedia\uff08\u591a\u5a92\u4f53\uff09\uff1a\u97f3\u9891\u89c6\u9891\u3001LCD
Control\uff08\u63a7\u5236\uff09\uff1a\u5b9a\u65f6\u5668
Analog\uff08\u6a21\u62df\uff09\uff1aDAC\u3001ADC
Connectivity\uff08\u901a\u8baf\u8fde\u63a5\uff09\uff1a\u4e32\u53e3\u3001SPI \u3001I2C\u3001USB\u3001ETH
SYStem\uff08\u7cfb\u7edf\uff09\uff1aDMA\uff08\u76f4\u63a5\u5b58\u50a8\u5668\u5b58\u53d6\uff09\u3001GPIO\u3001NVIC\u3001RCC\u3001\u770b\u95e8\u72d7
middlewares\uff08\u4e2d\u95f4\u4ef6\uff09\uff1a FreeRTOS\u3001FATFS\u3001LwIP\u3001USB
\u6b64\u5de5\u7a0b\u4e2dDMA\u6ca1\u7528\u7684\u4e0d\u7528\u914d\u7f6e\uff0cNVIC\uff08\u5d4c\u5957\u4e2d\u65ad\u5411\u91cf\u63a7\u5236\u5668\uff08Nested Vectored Interrupt Controller\uff09\uff09\u914d\u7f6e\u4e2d\u65ad\u4f18\u5148\u7ea7\u3002RCC\u4e0d\u7528\u914d\u7f6e\u3002
GPIO Pin Level \uff08\u7ba1\u811a\u72b6\u6001\uff09\uff1a\u4f4e\u7535\u5e73
GPIO mode \uff08\u7ba1\u811a\u6a21\u5f0f \uff09\uff1a\u63a8\u633d\u8f93\u51fa
Maximum output speed \uff08\u6700\u5927\u8f93\u51fa\u901f\u5ea6\uff09\uff1a\u4f4e\u901f
User Label \uff08\u7528\u6237\u6807\u7b7e\uff09\uff1aLED1
\u66f4\u6539\u7528\u6237\u6807\u7b7e\uff0c\u7ba1\u811a\u914d\u7f6e\u56fe\u4f1a\u663e\u793a\u7ba1\u811a\u7684\u6807\u7b7e\u3002
4. \u529f\u8017\u8ba1\u7b97
\u8fd9\u4e2a\u6839\u636e\u914d\u7f6e\u7684\u5916\u8bbe\u8ba1\u7b97\u529f\u8017\uff0c\u4e0d\u7528\u7406\u4f1a\u3002
5. \u751f\u6210\u5de5\u7a0b\u62a5\u544a

具体配置过程:
1、打开STM32CubeMX,并选择好相应的芯片。
文中的芯片为STM32F207VCT6,选择后:
2、配置RCC时钟、ETH、PA8以及使能LWIP;
由于此处的开发板硬件上为RMII方式,因此选择ETH-RMII,若有同志的开发板为MII方式,请参考MII的配置方法,此处只针对RMII;
RCC选择外部时钟源,另外勾选MCO1,软件会自动将PA8配置为MCO1模式,该引脚对于RMII方式很重要,用于为PHY芯片提供50MHz时钟;
使能LWIP;
3、时钟树的相关配置,必须保证MCO1输出为50Mhz,如果这个频率不对会导致PHY芯片无法工作;
这里因为芯片为207VCT6,为了使MCO1输出为50Mhz,做了PLL倍频参数的一些调整,总体如下:(同志们配置时可根据自己的芯片灵活配置,但需保证MCO1的输出为50Mhz)
4、ETH、LWIP、RCC相关参数设置;
至此,比较重要的都在前面了,但是还有一点仍需要注意,即PA8引脚输出速度,几次不成功都是因为这个引脚没注意。
后续的参数设置可以根据同志们自己的需求分别设置,这里给出设置供参考;
ETH参数保持默认,但中断勾选一下;
LWIP参数设置如下:(因为这里是配置UDP服务器,IP选择静态分配)
5、生成工程,做最后的函数修改;
给生成的工程添加UDP服务器的初始化以及端口绑定等相关函数;
这里直接将之前的官方例程中的UDP服务器文件加进来,如下:
之后将。
c文件添加到用户程序,主函数添加Udp的。
h头文件;
如下:(udp文件的具体内容在后面给出)
6、主函数还需要添加一下几个函数,在这里不对函数作用及实现原理讲解,仅做添加说明。

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