79 lines
2.3 KiB
Markdown
79 lines
2.3 KiB
Markdown
1. 配置ETH，使能以太网物理层驱动程序
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2. 使能lwIP，配置相关信息
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3. board.h中按说明操作
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- 开启宏定义
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- board.c添加初始化代码
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```c
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/**
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* @brief ETH MSP Initialization
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* This function configures the hardware resources used in this example
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* @param heth: ETH handle pointer
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* @retval None
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*/
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void HAL_ETH_MspInit(ETH_HandleTypeDef* heth)
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{
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GPIO_InitTypeDef GPIO_InitStruct = {0};
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if(heth->Instance==ETH)
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{
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/* USER CODE BEGIN ETH_MspInit 0 */
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/* USER CODE END ETH_MspInit 0 */
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/* Peripheral clock enable */
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__HAL_RCC_ETH_CLK_ENABLE();
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__HAL_RCC_GPIOC_CLK_ENABLE();
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__HAL_RCC_GPIOA_CLK_ENABLE();
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__HAL_RCC_GPIOB_CLK_ENABLE();
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/**ETH GPIO Configuration
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PC1 ------> ETH_MDC
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PA1 ------> ETH_REF_CLK
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PA2 ------> ETH_MDIO
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PA7 ------> ETH_CRS_DV
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PC4 ------> ETH_RXD0
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PC5 ------> ETH_RXD1
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PG11 PB11 ------> ETH_TX_EN
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PG13 PB12 ------> ETH_TXD0
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PG14 PB13 ------> ETH_TXD1
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*/
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GPIO_InitStruct.Pin = GPIO_PIN_1|GPIO_PIN_4|GPIO_PIN_5;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
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GPIO_InitStruct.Alternate = GPIO_AF11_ETH;
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HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
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GPIO_InitStruct.Pin = GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_7;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
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GPIO_InitStruct.Alternate = GPIO_AF11_ETH;
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HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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GPIO_InitStruct.Pin = GPIO_PIN_11|GPIO_PIN_14|GPIO_PIN_13;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
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GPIO_InitStruct.Alternate = GPIO_AF11_ETH;
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HAL_GPIO_Init(GPIOG, &GPIO_InitStruct);
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/* ETH interrupt Init */
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HAL_NVIC_SetPriority(ETH_IRQn, 0, 0);
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HAL_NVIC_EnableIRQ(ETH_IRQn);
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/* USER CODE BEGIN ETH_MspInit 1 */
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/* USER CODE END ETH_MspInit 1 */
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}
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}
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void phy_reset(void)
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{
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rt_pin_mode(RESET_IO, PIN_MODE_OUTPUT);
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rt_pin_write(RESET_IO, PIN_HIGH);
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rt_thread_mdelay(50);
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rt_pin_write(RESET_IO, PIN_LOW);
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rt_thread_mdelay(50);
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rt_pin_write(RESET_IO, PIN_HIGH);
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}
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```
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