【兆易GD32H759I-EVAL】以太网测试
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本帖最后由 TL-LED 于 2024-6-12 18:01 编辑
这篇通过参考官网的例程来测试下以太网。
一、硬件电路部分
以太网部分电路图
以太网测试需要板子上跳线JP48， JP51， JP57， JP59， JP60， JP70来选择此功能引脚。
二、LWIP源码
官网的测试例程使用了LWIP，lwip-2.1.2版本。
源码下载地址：http://download-mirror.savannah.gnu.org/releases/lwip/
三、程序
3.1、hello_gigadevice.c
/*!
\file hello_gigadevice.c
\brief TCP server demo program
\version 2024-01-05, V1.2.0, demo for GD32H7xx
*/
/*
Copyright (c) 2024, GigaDevice Semiconductor Inc.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#include "hello_gigadevice.h"
#include "lwip/tcp.h"
#include <string.h>
#include <stdio.h>
#include "gd32h7xx.h"
#define GREETING "\n\r======= HelloGigaDevice =======\
\n\r== GD32 ==\
\n\r== Telnet SUCCESS==\
\n\rHello. What is your name?\r\n"
#define HELLO "\n\rGigaDevice Hello "
#define MAX_NAME_SIZE 32
extern const uint8_t gd32_str[];
struct name {
int length;
char bytes[MAX_NAME_SIZE];
};
static err_t hello_gigadevice_recv(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t err);
static err_t hello_gigadevice_accept(void *arg, struct tcp_pcb *pcb, err_t err);
static void hello_gigadevice_conn_err(void *arg, err_t err);
/*!
\brief called when a data is received on the telnet connection
\param[in] arg: the user argument
\param[in] pcb: the tcp_pcb that has received the data
\param[in] p: the packet buffer
\param[in] err: the error value linked with the received data
\param[out] none
\retval err_t: error value
*/
static err_t hello_gigadevice_recv(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t err)
{
struct pbuf *q;
struct name *name = (struct name *)arg;
int done;
char *c;
int i;
/* we perform here any necessary processing on the pbuf */
if(p != NULL) {
/* we call this function to tell the LwIp that we have processed the data */
/* this lets the stack advertise a larger window, so more data can be received*/
tcp_recved(pcb, p->tot_len);
/* check the name if NULL, no data passed, return withh illegal argument error */
if(!name) {
pbuf_free(p);
return ERR_ARG;
}
done = 0;
for(q = p; q != NULL; q = q->next) {
c = q->payload;
for(i = 0; i < q->len && !done; i++) {
/* a telnet communication packet is ended with an enter key */
done = ((c[i] == '\r') || (c[i] == '\n'));
if(name->length < MAX_NAME_SIZE) {
/* save the received data to name->bytes */
name->bytes[name->length++] = c[i];
}
}
}
if(done) {
if(name->bytes[name->length - 2] != '\r' || name->bytes[name->length - 1] != '\n') {
/* limit the received data length to MAX_NAME_SIZE - 2('\r' and '\n' will be put into the buffer) */
if((name->bytes[name->length - 1] == '\r' || name->bytes[name->length - 1] == '\n') && (name->length + 1 <= MAX_NAME_SIZE)) {
/* calculate the buffer size to be sent(including '\r' and '\n') */
name->length += 1;
} else if(name->length + 2 <= MAX_NAME_SIZE) {
name->length += 2;
} else {
name->length = MAX_NAME_SIZE;
}
name->bytes[name->length - 2] = '\r';
name->bytes[name->length - 1] = '\n';
}
tcp_write(pcb, HELLO, strlen(HELLO), 1);
tcp_write(pcb, name->bytes, name->length, TCP_WRITE_FLAG_COPY);
printf("\n\rGigaDevice\n\rTelnet %s %s", HELLO, name->bytes);
name->length = 0;
}
/* end of processing, we free the pbuf */
pbuf_free(p);
} else if(err == ERR_OK) {
/* when the pbuf is NULL and the err is ERR_OK, the remote end is closing the connection. */
/* we free the allocated memory and we close the connection */
mem_free(name);
return tcp_close(pcb);
}
return ERR_OK;
}
/*!
\brief this function when the Telnet connection is established
\param[in] arg: user supplied argument
\param[in] pcb: the tcp_pcb which accepted the connection
\param[in] err: error value
\param[out] none
\retval err_t: error value
*/
static err_t hello_gigadevice_accept(void *arg, struct tcp_pcb *pcb, err_t err)
{
u32_t ipaddress;
u8_t iptxt[50];
u8_t iptab[4];
ipaddress = pcb->remote_ip.addr;
printf("\n\rTelnet hello_gigadevice_accept:%d.%d.%d.%d %s",
(u8_t)(ipaddress), (u8_t)(ipaddress >> 8), (u8_t)(ipaddress >> 16), (u8_t)(ipaddress >> 24), GREETING);
/* read its IP address */
iptab[0] = (u8_t)(ipaddress >> 24);
iptab[1] = (u8_t)(ipaddress >> 16);
iptab[2] = (u8_t)(ipaddress >> 8);
iptab[3] = (u8_t)(ipaddress);
sprintf((char *)iptxt, "Telnet:%d.%d.%d.%d ", iptab[3], iptab[2], iptab[1], iptab[0]);
printf("%s\r\n", iptxt);
/* tell LwIP to associate this structure with this connection. */
tcp_arg(pcb, mem_calloc(sizeof(struct name), 1));
/* configure LwIP to use our call back functions. */
tcp_err(pcb, hello_gigadevice_conn_err);
tcp_recv(pcb, hello_gigadevice_recv);
/* send out the first message */
tcp_write(pcb, iptxt, strlen((char *)iptxt), 1);
sprintf((char *)iptxt, "You telnet computer's IP is: %d.%d.%d.%d\n", iptab[3], iptab[2], iptab[1], iptab[0]);
printf("%s\r\n", iptxt);
tcp_write(pcb, gd32_str, strlen((char *)gd32_str), 1);
tcp_write(pcb, GREETING, strlen(GREETING), 1);
return ERR_OK;
}
/*!
\brief initialize the hello application
\param[in] none
\param[out] none
\retval none
*/
void hello_gigadevice_init(void)
{
struct tcp_pcb *pcb;
/* create a new TCP control block */
pcb = tcp_new();
/* assign to the new pcb a local IP address and a port number */
/* using IP_ADDR_ANY allow the pcb to be used by any local interface */
tcp_bind(pcb, IP_ADDR_ANY, 8000);
/* set the connection to the LISTEN state */
pcb = tcp_listen(pcb);
/* Specify the function to be called when a connection is established */
tcp_accept(pcb, hello_gigadevice_accept);
}
/*!
\brief this function is called when an error occurs on the connection
\param[in] arg: user supplied argument
\param[in] err: error value
\param[out] none
\retval none
*/
static void hello_gigadevice_conn_err(void *arg, err_t err)
{
struct name *name;
name = (struct name *)arg;
mem_free(name);
}
3.2、tcp_client.c
/*!
\file tcp_client.c
\brief TCP client demo program
\version 2024-01-05, V1.2.0, demo for GD32H7xx
*/
/*
Copyright (c) 2024, GigaDevice Semiconductor Inc.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#include "tcp_client.h"
#include "lwip/tcp.h"
#include "lwip/memp.h"
#include <string.h>
#include <stdio.h>
#include "gd32h7xx.h"
#include "main.h"
#define MAX_BUF_SIZE 50
struct recev_packet {
int length;
char bytes[MAX_BUF_SIZE];
};
static err_t tcp_client_connected(void *arg, struct tcp_pcb *pcb, err_t err);
static err_t tcp_client_recv(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t err);
/*!
\brief called when a data is received on the tcp connection
\param[in] arg: the user argument
\param[in] pcb: the tcp_pcb that has received the data
\param[in] p: the packet buffer
\param[in] err: the error value linked with the received data
\param[out] none
\retval err_t: error value
*/
static err_t tcp_client_recv(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t err)
{
struct pbuf *q;
struct recev_packet *recev_packet = (struct recev_packet *)arg;
int buf_full;
char *c;
int i;
/* we perform here any necessary processing on the pbuf */
if(p != NULL) {
/* we call this function to tell the LwIp that we have processed the data */
/* this lets the stack advertise a larger window, so more data can be received*/
tcp_recved(pcb, p->tot_len);
/* check the name if NULL, no data passed, return withh illegal argument error */
if(!recev_packet) {
pbuf_free(p);
return ERR_ARG;
}
buf_full = 0;
for(q = p; q != NULL; q = q->next) {
c = q->payload;
for(i = 0; i < q->len && !buf_full; i++) {
/* if the received data size is larger than the size we want to get */
if(recev_packet->length < MAX_BUF_SIZE) {
recev_packet->bytes[recev_packet->length] = c[i];
recev_packet->length++;
} else {
buf_full = 1;
}
}
}
/* send out the message */
tcp_write(pcb, recev_packet->bytes, recev_packet->length, 1);
recev_packet->length = 0;
pbuf_free(p);
} else if(ERR_OK == err) {
mem_free(recev_packet);
return tcp_close(pcb);
}
return ERR_OK;
}
/*!
\brief this function when the connection is established
\param[in] arg: user supplied argument
\param[in] pcb: the tcp_pcb which accepted the connection
\param[in] err: error value
\param[out] none
\retval err_t: error value
*/
static err_t tcp_client_connected(void *arg, struct tcp_pcb *pcb, err_t err)
{
tcp_arg(pcb, mem_calloc(sizeof(struct recev_packet), 1));
/* configure LwIP to use our call back functions */
tcp_recv(pcb, tcp_client_recv);
return ERR_OK;
}
/*!
\brief initialize the tcp_client application
\param[in] none
\param[out] none
\retval none
*/
void tcp_client_init(void)
{
struct tcp_pcb *pcb;
ip_addr_t ipaddr;
IP4_ADDR(&ipaddr, IP_S_ADDR0, IP_S_ADDR1, IP_S_ADDR2, IP_S_ADDR3);
/* create a new TCP control block */
pcb = tcp_new();
/* assign to the new pcb a local IP address and a port number */
/* using IP_ADDR_ANY allow the pcb to be used by any local interface */
if(ERR_USE != tcp_bind(pcb, IP_ADDR_ANY, 10260)) {
/* Specify the function to be called when a connection is established */
tcp_connect(pcb, &ipaddr, 10260, tcp_client_connected);
} else {
printf("connect is still alive \r\n ");
memp_free(MEMP_TCP_PCB, pcb);
}
}
3.3、udp_echo.c
/*!
\file udp_echo.c
\brief UDP demo program
\version 2024-01-05, V1.2.0, demo for GD32H7xx
*/
/*
Copyright (c) 2024, GigaDevice Semiconductor Inc.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#include "udp_echo.h"
#include "lwip/udp.h"
#include <string.h>
#include <stdio.h>
#include "gd32h7xx.h"
static void udp_echo_recv(void *arg, struct udp_pcb *pcb, struct pbuf *p, const ip_addr_t *addr, u16_t port);
/*!
\brief called when a data is received on the udp connection
\param[in] args: the user argument
\param[in] pcb: the udp_pcb that has received the data
\param[in] p: the packet buffer
\param[in] addr: pointer on the receive IP address
\param[in] port: receive port number
\param[out] none
\retval none
*/
static void udp_echo_recv(void *arg, struct udp_pcb *pcb, struct pbuf *p, const ip_addr_t *addr, u16_t port)
{
ip_addr_t destaddr = *addr;
if(p != NULL) {
udp_sendto(pcb, p, &destaddr, port);
/* end of processing, we free the pbuf */
pbuf_free(p);
}
}
/*!
\brief initialize the udp_client application
\param[in] none
\param[out] none
\retval none
*/
void udp_echo_init(void)
{
struct udp_pcb *udppcb;
/* create a new UDP control block */
udppcb = udp_new();
/* assign to the new pcb a local IP address and a port number */
udp_bind(udppcb, IP_ADDR_ANY, 1025);
udp_recv(udppcb, udp_echo_recv, NULL);
}
3.4、main.c
#include "main.h"
#define SYSTEMTICK_PERIOD_MS 10
__IO uint32_t g_localtime = 0; /* for creating a time reference incremented by 10ms */
uint32_t g_timedelay;
void cache_enable(void);
void mpu_config(void);
int main(void)
{
cache_enable();
//systick_config();
mpu_config();
init_usart(115200);
enet_system_setup();
lwip_stack_init();
while(1) {
#ifdef USE_ENET0
#ifndef USE_ENET_INTERRUPT
/* check if any packet received */
if(enet_rxframe_size_get(ENET0)) {
/* process received ethernet packet */
lwip_pkt_handle0();
}
#endif /* USE_ENET_INTERRUPT */
#endif /* USE_ENET0 */
#ifdef USE_ENET1
#ifndef USE_ENET_INTERRUPT
/* check if any packet received */
if(enet_rxframe_size_get(ENET1)) {
/* process received ethernet packet */
lwip_pkt_handle1();
}
#endif /* USE_ENET_INTERRUPT */
#endif /* USE_ENET1 */
/* handle periodic timers for LwIP */
#ifdef TIMEOUT_CHECK_USE_LWIP
sys_check_timeouts();
#ifdef USE_DHCP
lwip_dhcp_process_handle();
#endif /* USE_DHCP */
#else
lwip_periodic_handle(g_localtime);
#endif /* TIMEOUT_CHECK_USE_LWIP */
}
}
void cache_enable(void)
{
/* enable i-cache */
SCB_EnableICache();
/* enable d-cache */
SCB_EnableDCache();
}
/*!
\brief after the netif is fully configured, it will be called to initialize the function of telnet, client and udp
\param[in] netif: the struct used for lwIP network interface
\param[out] none
\retval none
*/
void lwip_netif_status_callback(struct netif *netif)
{
if(((netif->flags & NETIF_FLAG_UP) != 0) && (0 != netif->ip_addr.addr)) {
/* initilaize the helloGigadevice module telnet 8000 */
hello_gigadevice_init();
/* initilaize the tcp client: echo 10260 */
tcp_client_init();
/* initilaize the udp: echo 1025 */
udp_echo_init();
}
}
/*!
\brief insert a delay time
\param[in] ncount: number of 10ms periods to wait for
\param[out] none
\retval none
*/
void delay_10ms(uint32_t ncount)
{
/* capture the current local time */
g_timedelay = g_localtime + ncount;
/* wait until the desired delay finish */
while(g_timedelay > g_localtime) {
}
}
/*!
\brief updates the system local time
\param[in] none
\param[out] none
\retval none
*/
void time_update(void)
{
g_localtime += SYSTEMTICK_PERIOD_MS;
}
/*!
\brief configure the MPU
\param[in] none
\param[out] none
\retval none
*/
void mpu_config(void)
{
mpu_region_init_struct mpu_init_struct;
mpu_region_struct_para_init(&mpu_init_struct);
/* disable the MPU */
ARM_MPU_SetRegion(0U, 0U);
/* Configure the DMA descriptors and Rx/Tx buffer*/
mpu_init_struct.region_base_address = 0x30000000;
mpu_init_struct.region_size = MPU_REGION_SIZE_16KB;
mpu_init_struct.access_permission = MPU_AP_FULL_ACCESS;
mpu_init_struct.access_bufferable = MPU_ACCESS_BUFFERABLE;
mpu_init_struct.access_cacheable = MPU_ACCESS_NON_CACHEABLE;
mpu_init_struct.access_shareable = MPU_ACCESS_NON_SHAREABLE;
mpu_init_struct.region_number = MPU_REGION_NUMBER0;
mpu_init_struct.subregion_disable = MPU_SUBREGION_ENABLE;
mpu_init_struct.instruction_exec = MPU_INSTRUCTION_EXEC_PERMIT;
mpu_init_struct.tex_type = MPU_TEX_TYPE0;
mpu_region_config(&mpu_init_struct);
mpu_region_enable();
/* Configure the LwIP RAM heap */
mpu_init_struct.region_base_address = 0x30004000;
mpu_init_struct.region_size = MPU_REGION_SIZE_16KB;
mpu_init_struct.access_permission = MPU_AP_FULL_ACCESS;
mpu_init_struct.access_bufferable = MPU_ACCESS_NON_BUFFERABLE;
mpu_init_struct.access_cacheable = MPU_ACCESS_NON_CACHEABLE;
mpu_init_struct.access_shareable = MPU_ACCESS_SHAREABLE;
mpu_init_struct.region_number = MPU_REGION_NUMBER1;
mpu_init_struct.subregion_disable = MPU_SUBREGION_ENABLE;
mpu_init_struct.instruction_exec = MPU_INSTRUCTION_EXEC_PERMIT;
mpu_init_struct.tex_type = MPU_TEX_TYPE1;
mpu_region_config(&mpu_init_struct);
mpu_region_enable();
/* enable the MPU */
ARM_MPU_Enable(MPU_MODE_PRIV_DEFAULT);
}
四、测试
4.1、TCP服务器测试
开发板为TCP服务器端，PC为TCP客户端。
建立连接后，通信内容如下：
4.2、TCP客户端测试
开发板为TCP客户端，PC为TCP服务器端。测试时先打开PC端服务器再给开发板上电。
建立连接后，通信内容如下：
4.3、UDP测试
PC的IP地址端口号和开发板IP地址端口号要一致。
建立连接后，通信内容如下：
五、附件
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