2020年10月12日 | STM32驱动W5100实现udp通信

环境：

主机:WIN7

开发环境:MDK4.72

MCU:STM32F103ZE

源代码:

驱动层代码:

drv_w5100.h

/*********************************************************************

*   w5100驱动层头文件

*   (c)copyright 2013,jdh

*   All Right Reserved

*文件名:drv_w5100.h

*程序员:jdh

*修改日期:2013/10/22

*   2013/10/23

*   2013/10/24

**********************************************************************/

/*********************************************************************

硬件连接说明

电路标号 单片机引脚 特殊功能

W5100_MISO PB4 SPI3_MISO

W5100_MOSI PB5 SPI3_MOSI

W5100_CS PA15 SPI3_NSS

W5100_SCLK PB3 SPI3_SCK

/RESET PD3

/INT PD6

**********************************************************************/

#ifndef _DRV_W5100_H_

#define _DRV_W5100_H_

/*********************************************************************

* 头文件

**********************************************************************/

#include "stm32f10x.h"

#include "stm32f10x_spi.h"

/*********************************************************************

* 宏定义

**********************************************************************/

/*********************************************************************

* 读写操作

**********************************************************************/

//写操作

#define WRITE_COMMAND    0xf0   

//读操作

#define READ_COMMAND    0x0f    

/*********************************************************************

* 基地址

**********************************************************************/

#define COMMON_BASE 0x0000

/*********************************************************************

* 寄存器

**********************************************************************/

//-----------------------------------------------------------------------------

//                               Common register

//-----------------------------------------------------------------------------

//Mode register, R/W, Default=0x00

#define SOCKET0       0

#define SOCKET1       1

#define SOCKET2       2

#define SOCKET3       3

#define TCP_SERVER    0

#define TCP_CLIENT    1

#define UDP           2

#define W5100_MODE COMMON_BASE

#define MODE_RST 0x80 //Software reset

#define MODE_PB 0x10 //Ping block mode

#define MODE_PPPOE 0x08 //PPOE mode

#define MODE_AI 0x02 //Address auto increment in indirect bus I/F

#define MODE_IND 0x01 //Indirect bus I/F mode

//Gateway address register, R/W, default=0x00

#define W5100_GAR COMMON_BASE+0x01

//Subnet mask address, R/W, default=0x00

#define W5100_SUBR COMMON_BASE+0x05

//Source hardware address, R/W, default=0x00

#define W5100_SHAR COMMON_BASE+0x09

//Source IP address, R/W, default=0x00

#define W5100_SIPR COMMON_BASE+0x0f

//Interrupt and interrupt mask register

#define W5100_IR COMMON_BASE+0x15 //RO, Default=0x00

#define IR_CONFLICT 0x80 //IP conflict

#define IR_UNREACH 0x40 //Destination unreachable

#define IR_PPPOE 0x20 //PPOE close

#define IR_S3_INT 0x08 //Occurrence of socket 3 socket interrupt

#define IR_S2_INT 0x04 //Occurrence of socket 2 socket interrupt

#define IR_S1_INT 0x02 //Occurrence of socket 1 socket interrupt

#define IR_S0_INT 0x01 //Occurrence of socket 0 socket interrupt

#define W5100_IMR COMMON_BASE+0x16 //R/W, Default=0x00

#define IMR_CONFLICT 0x80 //IP conflict

#define IMR_UNREACH 0x40 //Destination unreachable

#define IMR_PPPOE 0x20 //PPOE close

#define IMR_S3_INT 0x08 //Occurrence of socket 3 socket interrupt

#define IMR_S2_INT 0x04 //Occurrence of socket 2 socket interrupt

#define IMR_S1_INT 0x02 //Occurrence of socket 1 socket interrupt

#define IMR_S0_INT 0x01 //Occurrence of socket 0 socket interrupt

//Retry time value. Value 1 means 100us, R/W, default=0x07D0

#define W5100_RTR COMMON_BASE+0x17

//Retry count, R/W, Default=0x08

#define W5100_RCR COMMON_BASE+0X19

//RX memory size register, R/W, default=0x55

//--------------------------------------------------------    S1      S0      Memory size

//  Socket3    |  Socket2    |  Socket1    |  Socket0    |    0       0           1KB

//-------------|-------------|-------------|-------------|    0       1           2KB

//S1       S0  |S1       S0  |S1       S0  |S1       S0  |    1       0           4KB

//--------------------------------------------------------    1       1           8KB

#define W5100_RMSR COMMON_BASE+0x1a

//TX memory size register, R/W, default=0x55

#define W5100_TMSR COMMON_BASE+0x1b

//Authentication type in PPPOE mode, R, default=0x0000

#define W5100_PATR COMMON_BASE+0x1c

//PPP LCP request timer register, R/W, default=0x28

//Value 1 is about 25ms

#define W5100_PTIMER COMMON_BASE+0x28

//PPP LCP magic number register, R/W, default=0x00

#define W5100_PMAGIC COMMON_BASE+0x29

//Unreachable IP address, RO, default=0x00

#define W5100_UIPR COMMON_BASE+0x2a

//Unreachable port register, RO, default=0x0000

#define W5100_UPORT COMMON_BASE+0x2e

//-----------------------------------------------------------------------------

//                                  Socket register

//-----------------------------------------------------------------------------

//Socket mode register, R/W, default=0x00

#define W5100_S0_MR COMMON_BASE+0x0400 //Socket 0

#define W5100_S1_MR COMMON_BASE+0x0500 //Socket 1

#define W5100_S2_MR COMMON_BASE+0x0600 //Socket 2

#define W5100_S3_MR COMMON_BASE+0x0700 //Socket 3

#define S_MR_MULTI 0x80 //Multcasting

#define S_MR_MC 0x20 //Multcast

//  P3   P2   P1   P0     Meaning

#define S_MR_CLOSED 0x00 //  0    0    0    0      Closed

#define S_MR_TCP 0x01 //  0    0    0    1      TCP

#define S_MR_UDP 0x02 //  0    0    1    0      UDP

#define S_MR_IPRAW 0x03 //  0    0    1    1      IPRAW

#define S_MR_MACRAW 0x04 //  0    1    0    0      MACRAW

#define S_MR_PPPOE 0x05 //  0    1    0    1      PPPOE

//Socket command register, R/W, default=0x00

#define W5100_S0_CR COMMON_BASE+0x0401 //Socket 0

#define W5100_S1_CR COMMON_BASE+0x0501 //Socket 1

#define W5100_S2_CR COMMON_BASE+0x0601 //Socket 2

#define W5100_S3_CR COMMON_BASE+0x0701 //Socket 3

#define S_CR_OPEN 0x01 //It is used to initialize the socket

#define S_CR_LISTEN 0x02 //In TCP mode, it waits for a connection request from any remote peer(Client)

#define S_CR_CONNECT 0x04 //In TCP mode, it sends a connection request to remote peer(SERVER)

#define S_CR_DISCON 0x08 //In TCP mode, it sends a connection termination request

#define S_CR_CLOSE 0x10 //Used to close the socket

#define S_CR_SEND 0x20 //It transmit the data as much as the increase size of write pointer

#define S_CR_SEND_MAC 0x21 //In UDP mode, same as SEND

#define S_CR_SEND_KEEP 0x22 //In TCP mode

#define S_CR_RECV 0x40 //Receiving is processed including the value of socket RX read

//pointer register

/* Definition for PPPOE */

#define S_CR_PCON 0x23 //Start of ADSL connection

#define S_CR_PDISCON 0x24 //End of ADSL connection

#define S_CR_PCR 0x25 //Send REQ message ineach phase

#define S_CR_PCN 0x26 //Send NAK message in each phase

#define S_CR_PCJ 0x27 //Senf REJECT message in each phase

//Socket interrup register, RO, default=0x00

#define W5100_S0_IR COMMON_BASE+0x0402 //Socket 0

#define W5100_S1_IR COMMON_BASE+0x0502 //Socket 1

#define W5100_S2_IR COMMON_BASE+0x0602 //Socket 2

#define W5100_S3_IR COMMON_BASE+0x0702 //Socket 3

#define S_IR_SENDOK 0x10 //Send data complete

#define S_IR_TIMEOUT 0x08 //Set if timeout occurs during connection or termination

//or data transmission

#define S_IR_RECV 0x04 //Set if data is received

#define S_IR_DISCON 0x02 //Set if receiv connection termination request

#define S_IR_CON 0x01 //Set if connetion is established

/* Definition for PPPOE */

#define S_IR_PRECV 0x80 //Indicate receiving no support option data

#define S_IR_PFAIL 0x40 //Indicate PAP Authentication fail

#define S_IR_PNEXT 0x20 //Go next phase

//Socket status register, RO, default=0x00

#define W5100_S0_SSR COMMON_BASE+0x0403 //Socket 0

#define W5100_S1_SSR COMMON_BASE+0x0503 //Socket 1

#define W5100_S2_SSR COMMON_BASE+0x0603 //Socket 2

#define W5100_S3_SSR COMMON_BASE+0x0703 //Socket 3

#define S_SSR_CLOSED 0x00 //In case that OPEN command are given to Sn_CR, Timeout interrupt

//is asserted or connection is terminated

#define S_SSR_INIT 0x13 //In case that Sn_MR is set as TCP and OPEN commands are given to Sn_CR

#define S_SSR_LISTEN 0x14 //In case that under the SOCK_INIT status, LISTEN commands

//are given to Sn_CR

#define S_SSR_ESTABLISHED 0x17 //In case that connection is established

#define S_SSR_CLOSE_WAIT 0x1c //In case that connection temination request is received

#define S_SSR_UDP 0x22 //In case that OPEN command is given to Sn_CR when Sn_MR is set as UDP

#define S_SSR_IPRAW 0x32 //In case that OPEN command is given to Sn_CR when Sn_MR is set as IPRAW

#define S_SSR_MACRAW 0x42 //In case that OPEN command is given to S0_CR when S0_MR is set as MACRAW