/**
* @brief Main program.
* @param None
* @retval None
*/
int main(void)
{
/* STM32F4xx HAL library initialization:
- Configure the Flash prefetch, instruction and Data caches
- Configure the Systick to generate an interrupt each 1 msec
- Set NVIC Group Priority to 4
- Global MSP (MCU Support Package) initialization
*/
HAL_Init();
/* Configure the system clock to have a system clock = 168 Mhz */
SystemClock_Config();
/* Configure the BSP */
BSP_Config();
/* Initilaize the LwIP stack */
lwip_init();
/* Configure the Network interface */
Netif_Config();
/* tcp echo server Init */
udp_echoserver_init();
/* Notify user about the netwoek interface config */
User_notification(&gnetif);
/* Infinite loop */
while (1)
{
/* Read a received packet from the Ethernet buffers and send it
to the lwIP for handling */
ethernetif_input(&gnetif);
/* Handle timeouts */
sys_check_timeouts();
}
}
/**
* ----------------------------------------------------------------------
* Function given to help user to continue LwIP Initialization
* Up to user to complete or change this function ...
* Up to user to call this function in main.c in while (1) of main(void)
*-----------------------------------------------------------------------
* Read a received packet from the Ethernet buffers
* Send it to the lwIP stack for handling
* Handle timeouts if NO_SYS_NO_TIMERS not set and without RTOS
*/
void MX_LWIP_Process(void)
{
ethernetif_input(&gnetif);
/* Handle timeouts */
#if !NO_SYS_NO_TIMERS && NO_SYS
sys_check_timeouts();
#endif
if (gnetif.ip_addr.addr !=ip)
{
ip = gnetif.ip_addr.addr;
a = ip & 0xFF;
b = ip & 0xFF00;
b = b >> 0x8;
c = ip & 0xFF0000 ;
c = c >> 0x10;
d = ip & 0xFF000000 ;
d = d >> 0x18;
printf("got ip address %i.%i.%i.%i\n\r",a,b,c,d);
}
/**
* @brief Called when a frame is received
* @param None
* @retval None
*/
void LwIP_Pkt_Handle(void)
{
/* Read a received packet from the Ethernet buffers and send it to the lwIP for handling */
ethernetif_input(&gnetif);
}
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
/* Configure Key Button */
BSP_PB_Init(BUTTON_KEY, BUTTON_MODE_GPIO);
/* Test if Key push-button is not pressed */
if (BSP_PB_GetState(BUTTON_KEY) != 0x00)
{ /* Key push-button not pressed: jump to user application */
/* Check if valid stack address (RAM address) then jump to user application */
if (((*(__IO uint32_t*)USER_FLASH_FIRST_PAGE_ADDRESS) & 0x2FFE0000 ) == 0x20000000)
{
/* Jump to user application */
JumpAddress = *(__IO uint32_t*) (USER_FLASH_FIRST_PAGE_ADDRESS + 4);
Jump_To_Application = (pFunction) JumpAddress;
/* Initialize user application's Stack Pointer */
__set_MSP(*(__IO uint32_t*) USER_FLASH_FIRST_PAGE_ADDRESS);
Jump_To_Application();
/* do nothing */
while(1);
}
else
{/* Otherwise, do nothing */
/* LED3 (RED) ON to indicate bad software (when not valid stack address) */
BSP_LED_Init(LED3);
BSP_LED_On(LED3);
/* do nothing */
while(1);
}
}
/* Enter in IAP mode */
else
{
/* STM32F4xx HAL library initialization:
- Configure the Flash prefetch, instruction and Data caches
- Configure the Systick to generate an interrupt each 1 msec
- Set NVIC Group Priority to 4
- Global MSP (MCU Support Package) initialization
*/
HAL_Init();
/* Configure the system clock to 168 MHz */
SystemClock_Config();
/* Configure the BSP */
BSP_Config();
/* Initialize the LwIP stack */
lwip_init();
/* Configure the Network interface */
Netif_Config();
#ifdef USE_IAP_HTTP
/* Initialize the webserver module */
IAP_httpd_init();
#endif
#ifdef USE_IAP_TFTP
/* Initialize the TFTP server */
IAP_tftpd_init();
#endif
/* Notify user about the network interface config */
User_notification(&gnetif);
/* Infinite loop */
while (1)
{
/* Read a received packet from the Ethernet buffers and send it
to the lwIP for handling */
ethernetif_input(&gnetif);
/* Handle timeouts */
sys_check_timeouts();
#ifdef USE_DHCP
/* handle periodic timers for LwIP */
DHCP_Periodic_Handle(&gnetif);
#endif
}
}
}
//用于以太网中断调用
void lwip_pkt_handle(void)
{
ethernetif_input(&lwip_netif);
}
/*-----------------------------------------------------------------------------------*/
void
ethernetif_process_input(void *arg, void *packet, int packet_len)
{
struct netif *netif = (struct netif*)arg;
ethernetif_input(netif, packet, packet_len);
}
static NORETURN void ethernetif_loop(void *arg)
{
struct netif *netif = (struct netif *)arg;
while (1)
ethernetif_input(netif);
}
static err_t eth_handle_event(struct netif *netif, uint32_t event)
{
int link_status;
uint32_t eth_event;
pin_toggle();
if (event == NIC_EVENT_API_RESET) {
LOGI(TAG, "reset ethernet card.");
/* restart init */
eth_hard_reset();
eth_mac_handle = csi_eth_mac_initialize(0, NULL);
/* enable irq */
csi_eth_mac_control(eth_mac_handle, CSI_ETH_MAC_CONTROL_RX, 1);
eth_gpio_config_int(1);
g_bTimerStopped = 1;
} else {
eth_event = eth_get_event(0);
if (eth_event) {
csi_kernel_timer_stop(timer_send_handle);
g_bTimerStopped = 1;
g_continue_send_error = 0;
} else {
//printf("invalid interrupt\n");
}
if (eth_event & 0x80) {
LOGI(TAG, "reset ethernet card.");
/* restart init */
eth_hard_reset();
eth_mac_handle = csi_eth_mac_initialize(0, NULL);
/* enable irq */
} else {
if (eth_event & CSI_ETH_MAC_EVENT_LINK_CHANGE) {
link_status = csi_eth_phy_get_linkstate(eth_phy_handle);
if ((link_status != -1)) {
nic_link_stat = link_status;
LOGI(TAG, "Net:link %s", (link_status == 1) ? "up" : "down");
if (link_status == 1) {
//aos_post_event(EV_NET, CODE_NET_ON_CONNECTED, VALUE_NET_ETH);
} else {
//aos_post_event(EV_NET, CODE_NET_ON_DISCONNECT, VALUE_NET_ETH);
}
}
}
if (eth_event == CSI_ETH_MAC_EVENT_RX_FRAME) {
ethernetif_input(netif);
/*if there are packets in rx buffer, interrupt will be triggered again*/
}
if (eth_event == CSI_ETH_MAC_EVENT_TX_FRAME) {
}
pin_toggle();
}
//Enable interrupt
csi_eth_mac_control(eth_mac_handle, CSI_ETH_MAC_CONTROL_RX, 1);
eth_gpio_config_int(1);
}
return 0;
}
