rt-thread support network port (STM32F407VG + LAN8720A)
CubeMX configuration
Mainly configure MCO1, ETH and clock
Modify Kconfig
Add the following content to the "On-chip Peripheral Drivers" menu in rt-thread-lts-v3.1.x \ bsp \ stm32 \ stm32f407-anchor \ board \ Kconfig
config PHY_USING_LAN8720A
bool
config BSP_USING_ETH
bool "Enable ETH"
select RT_USING_NETDEV
select RT_USING_LWIP
select PHY_USING_LAN8720A
default yenv modify configuration
Run menuconfig in env and select "Enable ETH"
Generate code
Execute scons --target = iar in env to generate code that IAR can debug
Implement the phy_reset function
void phy_reset(void)
{
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_14, GPIO_PIN_RESET);
HAL_Delay(55);
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_14, GPIO_PIN_SET);
HAL_Delay(55);
}
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