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fsfw_example_public/common/stm32_nucleo/networking/app_ethernet.c
2021-04-27 17:22:34 +02:00

101 lines
2.6 KiB
C

/* Includes ------------------------------------------------------------------*/
#include "app_ethernet.h"
#include "ethernetif.h"
#include "udp_config.h"
#if LWIP_DHCP
#include "app_dhcp.h"
#endif
#include <lwipopts.h>
#include <lwip/netif.h>
#include <stm32h7xx_nucleo.h>
#include <OBSWConfig.h>
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
uint32_t ethernetLinkTimer = 0;
/* Private function prototypes -----------------------------------------------*/
void handle_status_change(struct netif* netif, bool link_up);
/* Private functions ---------------------------------------------------------*/
/**
* @brief Notify the User about the network interface config status
* @param netif: the network interface
* @retval None
*/
void ethernet_link_status_updated(struct netif *netif)
{
if (netif_is_link_up(netif))
{
set_eth_cable_connected(true);
handle_status_change(netif, true);
}
else
{
set_eth_cable_connected(false);
handle_status_change(netif, false);
}
}
void set_lwip_addresses(ip_addr_t* ipaddr, ip_addr_t* netmask, ip_addr_t* gw) {
IP4_ADDR(ipaddr, IP_ADDR0, IP_ADDR1, IP_ADDR2, IP_ADDR3);
IP4_ADDR(netmask, NETMASK_ADDR0, NETMASK_ADDR1 ,
NETMASK_ADDR2, NETMASK_ADDR3);
IP4_ADDR(gw, GW_ADDR0, GW_ADDR1, GW_ADDR2, GW_ADDR3);
}
void handle_status_change(struct netif* netif, bool link_up) {
if(link_up) {
#if LWIP_DHCP
/* Update DHCP state machine */
set_dhcp_state(DHCP_START);
#else
uint8_t iptxt[20];
sprintf((char *)iptxt, "%s", ip4addr_ntoa(netif_ip4_addr(netif)));
printf("\rNetwork cable connected. Static IP address: %s | Port: %d\n\r", iptxt,
UDP_SERVER_PORT);
#if OBSW_ETHERNET_USE_LED1_LED2 == 1
BSP_LED_On(LED1);
BSP_LED_Off(LED2);
#endif
#endif /* LWIP_DHCP */
}
else {
printf("Network cable disconnected\n\r");
#if LWIP_DHCP
/* Update DHCP state machine */
set_dhcp_state(DHCP_LINK_DOWN);
#else
#if OBSW_ETHERNET_USE_LED1_LED2 == 1
BSP_LED_Off(LED1);
BSP_LED_On(LED2);
#endif
#endif /* LWIP_DHCP */
}
}
#if LWIP_NETIF_LINK_CALLBACK
/**
* @brief Ethernet Link periodic check
* @param netif
* @retval None
*/
void ethernet_link_periodic_handle(struct netif *netif)
{
/* Ethernet Link every 100ms */
if (HAL_GetTick() - ethernetLinkTimer >= 100)
{
ethernetLinkTimer = HAL_GetTick();
ethernet_link_check_state(netif);
}
}
#endif /* LWIP_NETIF_LINK_CALLBACK */