stm32f103 hal库驱动W5500详细代码
时间: 2023-09-10 19:13:16 浏览: 65
以下是基于STM32CubeIDE和HAL库的W5500驱动代码:
首先,在CubeMX中配置GPIO和SPI,然后生成代码。
然后,在main.c文件中初始化W5500并设置其寄存器。
```c
#include "main.h"
#include "spi.h"
#include "gpio.h"
#include "w5500.h"
W5500_Dev w5500_dev;
int main(void)
{
HAL_Init();
MX_GPIO_Init();
MX_SPI1_Init();
W5500_Init(&w5500_dev, &hspi1, GPIOA, GPIO_PIN_4);
W5500_SetMACAddress(&w5500_dev, (uint8_t *)"AA:BB:CC:DD:EE:FF");
W5500_SetIPAddress(&w5500_dev, 192, 168, 1, 100);
W5500_SetGatewayAddress(&w5500_dev, 192, 168, 1, 1);
W5500_SetSubnetMask(&w5500_dev, 255, 255, 255, 0);
while (1)
{
// loop
}
}
```
在w5500.h头文件中定义了驱动的API函数。
```c
#ifndef __W5500_H
#define __W5500_H
#ifdef __cplusplus
extern "C" {
#endif
#include "stm32f1xx_hal.h"
#define W5500_REGISTER_BLOCK_SIZE 0x400
#define W5500_REGISTER_BLOCK_SIZE_SHIFT 10
typedef struct
{
SPI_HandleTypeDef *spi;
GPIO_TypeDef *cs_port;
uint16_t cs_pin;
} W5500_Dev;
void W5500_Init(W5500_Dev *dev, SPI_HandleTypeDef *spi, GPIO_TypeDef *cs_port, uint16_t cs_pin);
void W5500_SetMACAddress(W5500_Dev *dev, uint8_t *mac);
void W5500_SetIPAddress(W5500_Dev *dev, uint8_t ip1, uint8_t ip2, uint8_t ip3, uint8_t ip4);
void W5500_SetGatewayAddress(W5500_Dev *dev, uint8_t ip1, uint8_t ip2, uint8_t ip3, uint8_t ip4);
void W5500_SetSubnetMask(W5500_Dev *dev, uint8_t ip1, uint8_t ip2, uint8_t ip3, uint8_t ip4);
#ifdef __cplusplus
}
#endif
#endif /* __W5500_H */
```
在w5500.c文件中实现了这些API函数。
```c
#include "w5500.h"
#define W5500_SPI_TIMEOUT 1000
#define W5500_REGISTER_MODE 0x0000
#define W5500_REGISTER_GATEWAY_ADDRESS 0x0001
#define W5500_REGISTER_SUBNET_MASK 0x0005
#define W5500_REGISTER_MAC_ADDRESS 0x0009
#define W5500_REGISTER_IP_ADDRESS 0x000F
#define W5500_MODE_VALUE 0x01
void W5500_Init(W5500_Dev *dev, SPI_HandleTypeDef *spi, GPIO_TypeDef *cs_port, uint16_t cs_pin)
{
dev->spi = spi;
dev->cs_port = cs_port;
dev->cs_pin = cs_pin;
HAL_GPIO_WritePin(dev->cs_port, dev->cs_pin, GPIO_PIN_SET);
uint8_t tx_data[3] = {0x00, 0x00, W5500_MODE_VALUE};
uint8_t rx_data[3] = {0};
HAL_GPIO_WritePin(dev->cs_port, dev->cs_pin, GPIO_PIN_RESET);
HAL_SPI_TransmitReceive(dev->spi, tx_data, rx_data, sizeof(tx_data), W5500_SPI_TIMEOUT);
HAL_GPIO_WritePin(dev->cs_port, dev->cs_pin, GPIO_PIN_SET);
}
void W5500_SetMACAddress(W5500_Dev *dev, uint8_t *mac)
{
uint8_t tx_data[7] = {0x00, 0x09, mac[0], mac[1], mac[2], mac[3], mac[4]};
HAL_GPIO_WritePin(dev->cs_port, dev->cs_pin, GPIO_PIN_RESET);
HAL_SPI_Transmit(dev->spi, tx_data, sizeof(tx_data), W5500_SPI_TIMEOUT);
HAL_GPIO_WritePin(dev->cs_port, dev->cs_pin, GPIO_PIN_SET);
}
void W5500_SetIPAddress(W5500_Dev *dev, uint8_t ip1, uint8_t ip2, uint8_t ip3, uint8_t ip4)
{
uint8_t tx_data[5] = {0x00, 0x0F, ip1, ip2, ip3, ip4};
HAL_GPIO_WritePin(dev->cs_port, dev->cs_pin, GPIO_PIN_RESET);
HAL_SPI_Transmit(dev->spi, tx_data, sizeof(tx_data), W5500_SPI_TIMEOUT);
HAL_GPIO_WritePin(dev->cs_port, dev->cs_pin, GPIO_PIN_SET);
}
void W5500_SetGatewayAddress(W5500_Dev *dev, uint8_t ip1, uint8_t ip2, uint8_t ip3, uint8_t ip4)
{
uint8_t tx_data[5] = {0x00, 0x01, ip1, ip2, ip3, ip4};
HAL_GPIO_WritePin(dev->cs_port, dev->cs_pin, GPIO_PIN_RESET);
HAL_SPI_Transmit(dev->spi, tx_data, sizeof(tx_data), W5500_SPI_TIMEOUT);
HAL_GPIO_WritePin(dev->cs_port, dev->cs_pin, GPIO_PIN_SET);
}
void W5500_SetSubnetMask(W5500_Dev *dev, uint8_t ip1, uint8_t ip2, uint8_t ip3, uint8_t ip4)
{
uint8_t tx_data[5] = {0x00, 0x05, ip1, ip2, ip3, ip4};
HAL_GPIO_WritePin(dev->cs_port, dev->cs_pin, GPIO_PIN_RESET);
HAL_SPI_Transmit(dev->spi, tx_data, sizeof(tx_data), W5500_SPI_TIMEOUT);
HAL_GPIO_WritePin(dev->cs_port, dev->cs_pin, GPIO_PIN_SET);
}
```
这些函数中,主要的操作是通过SPI总线向W5500写入寄存器的值。每个寄存器都有一个地址,可以在W5500的数据手册中找到。
注意,这里只给出了一些基本的初始化函数,还可以写更多的函数来配置其他寄存器。同时,还需要编写其他函数来读取和写入数据包以进行网络通信。