/**
* @brief Main program.
* @param None
* @retval None
*/
int main(void)
{
/* Setup STM32 system (clocks, Ethernet, GPIO, NVIC) and STM3210C-EVAL resources */
System_Setup();
/* Initilaize the LwIP satck */
LwIP_Init();
/* Initilaize the HelloWorld module */
HelloWorld_init();
/* Initilaize the webserver module */
httpd_init();
/* Initialize the TFTP server */
tftpd_init();
/* Infinite loop */
while (1)
{
/* Periodic tasks */
System_Periodic_Handle();
}
}
/**
* @brief Main program.
* @param None
* @retval None
*/
int main(void)
{
FlagStatus status;
uint16_t bak_dr10;
//uint16_t bak_dr9;
//RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR | RCC_APB1Periph_BKP, ENABLE);
//PWR_BackupAccessCmd(ENABLE);
//bak_dr10 = BKP_ReadBackupRegister(BKP_DR10);
//bak_dr9 = BKP_ReadBackupRegister(BKP_DR9);
//BKP_WriteBackupRegister(BKP_DR10, 0x0707);
//BKP_WriteBackupRegister(BKP_DR9, 0x0001);
/* Test if Key push-button on STM3210C-EVAL Board is not pressed */
//if((bak_dr10 == 0x0707) /*&& (bak_dr9 != 0x0000)*/)
if(1)
{
/* Setup STM32 system (clocks, Ethernet, GPIO, NVIC) and STM3210C-EVAL resources */
System_Setup();
Delay(1000);
//可添加延时, 用以确保DM9000启动时电压满足芯片要求
//"nRST must not go high until after the VDDIO and VDD_CORE supplies are stable" 手册P51
GPIO_WriteBit(ETH_RESET, Bit_SET); //拉高DM9000 nRST, 复位启动
/* Configure the Ethernet peripheral */
Ethernet_Configuration();
/*
//判断设备是否是初次上电, 如果'是', 重启一次, 确保以太网初始化正常
status = RCC_GetFlagStatus(RCC_FLAG_SFTRST);
RCC_ClearFlag();
if(!status)
{
Delay(10);
NVIC_SystemReset();
}
*/
/* Initilaize the LwIP stack */
LwIP_Init();
#ifdef USE_IAP_HTTP
/* Initilaize the webserver module */
IAP_httpd_init();
#endif
#ifdef USE_IAP_TFTP
/* Initialize the TFTP server */
IAP_tftpd_init();
#endif
/* Infinite loop */
while (1)
{
/* check if any packet received */
if (ETH_GetRxPktSize()!=0)
{
/* process received eth packet */
LwIP_Pkt_Handle();
}
/* Periodic tasks */
System_Periodic_Handle();
}
}
/* enter in IAP mode */
else
{
/* 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();
}
else
{/* Otherwise, do nothing */
/* LED3 (RED) ON to indicate bad software (when not valid stack address) */
//STM_EVAL_LEDInit(LED3);
//STM_EVAL_LEDOn(LED3);
/* do nothing */
while(1);
}
}
return 0;
}