1406 lines
35 KiB
C
1406 lines
35 KiB
C
/*
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* 模块名称：CH395F SPI Ethernet Protocol Stack Driver
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* 模块功能：CH395F 以太网协议栈芯片 SPI 驱动实现，提供芯片检测、初始化、
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* 网络参数配置、PHY 管理、DHCP、Socket 管理及数据收发功能
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* 适用平台：STM32F4 系列（SPI2 接口）
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* 作者：王建锋
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* 创建日期：2026-03-14
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* 修改记录：
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* 2026-03-14 王建锋 创建初始版本，按代码规范重构
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* 2026-07-18 王建锋 改造 write_send_buf / read_recv_buf 使用 SPI2 DMA 批量传输
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*/
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/* 头文件包含区 - 先包含本模块头文件，再包含依赖头文件 */
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#include "ch395f.h"
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#include "spi.h"
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#include "usart.h"
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#include <string.h>
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#include <stdio.h>
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/*
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* 调试输出配置
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*/
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#define DBG_TAG "[CH395]"
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#include "dbg_log.h"
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/*
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* 私有宏定义区
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*/
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#define CH395F_CHECK_EXIST_TEST_DATA 0x57U /* 芯片检测测试字节 */
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#define CH395F_RESET_DELAY_MS 20U /* 复位后等待延时（ms） */
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#define CH395F_INIT_TIMEOUT_MS 500U /* 初始化超时时间（ms） */
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#define CH395F_SPI_BEGIN_DELAY_MS 1U /* SPI 事务开始延时（ms） */
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#define CH395F_DMA_BUF_SIZE 1500U /* DMA 缓冲区最大字节数 */
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/*
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* 私有变量区 - DMA 传输相关
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*/
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static volatile uint8_t s_spi2_dma_done = 0U; /* DMA 传输完成标志 */
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__attribute__((aligned(4)))
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static uint8_t s_spi2_dma_tx_buf[CH395F_DMA_BUF_SIZE]; /* DMA 发送缓冲区 */
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__attribute__((aligned(4)))
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static uint8_t s_spi2_dma_rx_buf[CH395F_DMA_BUF_SIZE]; /* DMA 接收缓冲区 */
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/*
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* 私有函数声明区
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*/
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static void ch395f_spi_begin(void);
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static void ch395f_spi_end(void);
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static void ch395f_spi_dma_transfer(uint16_t len);
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/*
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* 私有函数实现区
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*/
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/*
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* 函数功能：开始 SPI 事务（CS 拉高 -> 拉低）
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* 函数说明：手册要求 SPI 模式下字节间无需间隔，
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* CS 拉高再拉低满足最小片选间隔要求
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*/
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static void ch395f_spi_begin(void)
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{
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/* CS 先拉高，确保空闲状态 */
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HAL_GPIO_WritePin(CH395_SCS_GPIO_Port, CH395_SCS_Pin, GPIO_PIN_SET);
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/* CS 拉低，启动事务（无需额外延时，SPI 时序由 SCK 频率决定） */
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HAL_GPIO_WritePin(CH395_SCS_GPIO_Port, CH395_SCS_Pin, GPIO_PIN_RESET);
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}
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/*
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* 函数功能：结束 SPI 事务（CS 拉高）
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*/
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static void ch395f_spi_end(void)
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{
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/* CS 拉高，结束事务 */
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HAL_GPIO_WritePin(CH395_SCS_GPIO_Port, CH395_SCS_Pin, GPIO_PIN_SET);
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}
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/*
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* 函数功能：DMA 全双工传输并等待完成
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* 入口参数：len - 传输字节数 uint16_t
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* 函数说明：发送 s_spi2_dma_tx_buf，接收到 s_spi2_dma_rx_buf，
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* 阻塞等待 DMA 完成回调置位标志
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*/
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static void ch395f_spi_dma_transfer(uint16_t len)
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{
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HAL_StatusTypeDef status;
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uint32_t tickstart;
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volatile uint32_t loop_cnt = 0U;
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s_spi2_dma_done = 0U;
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status = HAL_SPI_TransmitReceive_DMA(&hspi2, s_spi2_dma_tx_buf, s_spi2_dma_rx_buf, len);
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if (status != HAL_OK)
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{
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DBG_ERROR("HAL_SPI_TransmitReceive_DMA FAIL: %d, SPI_State=%d, SPI_Error=0x%lX, DMA_State=%d",
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(int)status,
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(int)hspi2.State,
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hspi2.ErrorCode,
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(int)hspi2.hdmarx->State);
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return;
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}
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tickstart = HAL_GetTick();
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while (s_spi2_dma_done == 0U)
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{
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loop_cnt++;
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if ((HAL_GetTick() - tickstart) > 1000U)
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{
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DBG_ERROR("TIMEOUT after 1s, len=%d, loop=%lu, SPI_State=%d, SPI_Error=0x%lX",
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(int)len, loop_cnt,
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(int)hspi2.State,
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hspi2.ErrorCode);
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DBG_ERROR(" DMA_RX: State=%d, Dir=%lu, CNT=%lu",
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(int)hspi2.hdmarx->State,
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hspi2.hdmarx->Init.Direction,
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__HAL_DMA_GET_COUNTER(hspi2.hdmarx));
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DBG_ERROR(" DMA_TX: State=%d, Dir=%lu, CNT=%lu",
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(int)hspi2.hdmatx->State,
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hspi2.hdmatx->Init.Direction,
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__HAL_DMA_GET_COUNTER(hspi2.hdmatx));
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DBG_ERROR(" SPI2_CR1=0x%lX, CR2=0x%lX, SR=0x%lX",
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SPI2->CR1, SPI2->CR2, SPI2->SR);
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/* 强制复位 SPI2 DMA 状态，避免死锁 */
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HAL_SPI_Abort(&hspi2);
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return;
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}
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}
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/* 检查传输是否成功：SPI 错误码必须为 0 */
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if (hspi2.ErrorCode != 0U)
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{
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DBG_INFO("SPI DMA done with errors: ErrorCode=0x%lX, SPI_State=%d",
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hspi2.ErrorCode, (int)hspi2.State);
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__HAL_SPI_CLEAR_OVRFLAG(&hspi2);
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}
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}
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/*
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* 函数功能：SPI 收发完成回调
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* 函数说明：由 HAL SPI 驱动在 DMA TX+RX 完成后调用（HAL_SPI_TransmitReceive_DMA 触发此回调）
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*/
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void HAL_SPI_TxRxCpltCallback(SPI_HandleTypeDef *hspi)
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{
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if (hspi->Instance == SPI2)
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{
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s_spi2_dma_done = 1U;
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}
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}
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/*
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* 函数功能：SPI 错误回调
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* 函数说明：由 HAL SPI 驱动在 DMA 传输出错时调用，释放等待
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*/
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void HAL_SPI_ErrorCallback(SPI_HandleTypeDef *hspi)
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{
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if (hspi->Instance == SPI2)
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{
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s_spi2_dma_done = 1U;
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}
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}
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/*
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* 公共函数实现区
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*/
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/*
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* 函数功能：向 CH395 写入命令字节
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* 入口参数：cmd - 命令码 uint8_t 0x00 - 0xFF
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* 返回值：命令码回显值 uint8_t
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* 限定条件：需在 ch395f_spi_begin() 和 ch395f_spi_end() 之间调用
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* 函数说明：SPI 模式下命令与数据之间无需间隔
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*/
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uint8_t ch395f_write_cmd(uint8_t cmd)
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{
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uint8_t rx_data;
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/* 通过 SPI 发送命令并接收回显 */
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HAL_SPI_TransmitReceive(&hspi2, &cmd, &rx_data, 1, HAL_MAX_DELAY);
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return rx_data;
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}
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/*
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* 函数功能：向 CH395 写入数据字节
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* 入口参数：data - 数据字节 uint8_t 0x00 - 0xFF
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* 返回值：数据回显值 uint8_t
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* 限定条件：需在 ch395f_spi_begin() 和 ch395f_spi_end() 之间调用
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*/
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uint8_t ch395f_write_data(uint8_t data)
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{
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uint8_t rx_data;
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/* 通过 SPI 发送数据并接收回显 */
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HAL_SPI_TransmitReceive(&hspi2, &data, &rx_data, 1, HAL_MAX_DELAY);
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return rx_data;
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}
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/*
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* 函数功能：从 CH395 读取数据字节
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* 返回值：接收到的数据字节 uint8_t
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* 限定条件：需在 ch395f_spi_begin() 和 ch395f_spi_end() 之间调用
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*/
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uint8_t ch395f_read_data(void)
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{
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uint8_t tx_dummy = 0xFFU;
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uint8_t rx_data;
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/* 发送 0xFF 作为时钟源，读取芯片返回的数据 */
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HAL_SPI_TransmitReceive(&hspi2, &tx_dummy, &rx_data, 1, HAL_MAX_DELAY);
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return rx_data;
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}
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/*
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* 函数功能：检测 CH395 芯片是否存在且通信正常
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* 返回值：CH395F_STATUS_OK - 检测到芯片，CH395F_STATUS_NOT_DETECTED - 未检测到
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* 限定条件：SPI2 已正确初始化
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* 函数说明：发送 CMD_CHECK_EXIST (0x06) 及测试字节 0x57，
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* 芯片应返回按位取反值 0xA8
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*/
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ch395f_status_t ch395f_check_exist(void)
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{
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uint8_t test_data = CH395F_CHECK_EXIST_TEST_DATA;
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uint8_t reply_data;
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/* 开始 SPI 事务 */
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ch395f_spi_begin();
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/* 发送检测命令 */
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ch395f_write_cmd(CH395F_CMD_CHECK_EXIST);
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/* 发送测试数据 */
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ch395f_write_data(test_data);
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/* 读取芯片回复 */
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reply_data = ch395f_read_data();
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/* 结束 SPI 事务 */
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ch395f_spi_end();
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/* 验证回复是否为测试数据的按位取反 */
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if (reply_data == (uint8_t)(~test_data))
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{
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return CH395F_STATUS_OK;
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}
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return CH395F_STATUS_NOT_DETECTED;
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}
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/*
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* 函数功能：读取 CH395 芯片版本号
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* 返回值：版本字节（bit5:0 为版本号）uint8_t
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* 限定条件：芯片已通过 ch395f_check_exist() 检测
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*/
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uint8_t ch395f_get_version(void)
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{
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uint8_t version;
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/* 开始 SPI 事务 */
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ch395f_spi_begin();
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/* 发送版本读取命令 */
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ch395f_write_cmd(CH395F_CMD_GET_IC_VER);
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/* 读取版本号 */
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version = ch395f_read_data();
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/* 结束 SPI 事务 */
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ch395f_spi_end();
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return version;
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}
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/*
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* 函数功能：获取远端 IP 和端口
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* 入口参数：sock - Socket 索引 uint8_t 0 - 7
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* p_buf - 6 字节输出缓冲区（4字节IP + 2字节端口）
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* 限定条件：TCP Server 模式下连接建立后调用
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* 函数说明：IP 低字节在前，端口低字节在前
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*/
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void ch395f_get_remot_ipp(uint8_t sock, uint8_t *p_buf)
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{
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uint8_t i;
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/* 检查输入参数合法性 */
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if (p_buf == NULL)
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{
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return;
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}
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/* 开始 SPI 事务 */
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ch395f_spi_begin();
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/* 发送获取远端 IP 和端口命令 */
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ch395f_write_cmd(CH395F_CMD_GET_REMOT_IPP_SN);
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/* 发送 Socket 索引 */
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ch395f_write_data(sock);
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/* 读取 4 字节 IP 地址 */
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for (i = 0; i < 4; i++)
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{
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p_buf[i] = ch395f_read_data();
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}
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/* 读取 2 字节端口号 */
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for (i = 4; i < 6; i++)
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{
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p_buf[i] = ch395f_read_data();
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}
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/* 结束 SPI 事务 */
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ch395f_spi_end();
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}
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/*
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* 函数功能：设置 CH395 功能参数
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* 入口参数：para - 4 字节功能参数 uint32_t
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* 限定条件：必须在 ch395f_init() 之前调用
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*/
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void ch395f_set_fun_para(uint32_t para)
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{
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/* 开始 SPI 事务 */
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ch395f_spi_begin();
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/* 发送设置功能参数命令 */
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ch395f_write_cmd(CH395F_CMD_SET_FUN_PARA);
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/* 发送 4 字节参数（低字节在前） */
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ch395f_write_data((uint8_t)(para));
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ch395f_write_data((uint8_t)(para >> 8));
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ch395f_write_data((uint8_t)(para >> 16));
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ch395f_write_data((uint8_t)(para >> 24));
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/* 结束 SPI 事务 */
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ch395f_spi_end();
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}
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/*
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* 函数功能：设置 TCP MSS
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* 入口参数：mss - MSS 值 uint16_t 60~1460
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* 限定条件：必须在 ch395f_init() 之前调用
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*/
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void ch395f_set_tcp_mss(uint16_t mss)
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{
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/* 开始 SPI 事务 */
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ch395f_spi_begin();
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/* 发送设置 TCP MSS 命令 */
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ch395f_write_cmd(CH395F_CMD_SET_TCP_MSS);
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/* 发送 2 字节 MSS 值（低字节在前） */
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ch395f_write_data(mss & 0xFFU);
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ch395f_write_data((mss >> 8) & 0xFFU);
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/* 结束 SPI 事务 */
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ch395f_spi_end();
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}
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|
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/*
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* 函数功能：设置 Socket 接收缓冲区
|
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* 入口参数：sock - Socket 索引 uint8_t 0 - 7
|
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* start_block - 起始块地址 uint8_t
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* block_count - 块个数 uint8_t
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* 限定条件：必须在 OPEN_SOCKET_SN 之前调用
|
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*/
|
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void ch395f_set_recv_buf(uint8_t sock, uint8_t start_block, uint8_t block_count)
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{
|
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/* 开始 SPI 事务 */
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ch395f_spi_begin();
|
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|
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/* 发送设置接收缓冲区命令 */
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ch395f_write_cmd(CH395F_CMD_SET_RECV_BUF);
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/* 发送 Socket 索引 */
|
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ch395f_write_data(sock);
|
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/* 发送起始块地址 */
|
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ch395f_write_data(start_block);
|
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|
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/* 发送块个数 */
|
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ch395f_write_data(block_count);
|
||
|
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/* 结束 SPI 事务 */
|
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ch395f_spi_end();
|
||
}
|
||
|
||
/*
|
||
* 函数功能：设置 Socket 发送缓冲区
|
||
* 入口参数：sock - Socket 索引 uint8_t 0 - 7
|
||
* start_block - 起始块地址 uint8_t
|
||
* block_count - 块个数 uint8_t
|
||
* 限定条件：必须在 OPEN_SOCKET_SN 之前调用
|
||
*/
|
||
void ch395f_set_send_buf(uint8_t sock, uint8_t start_block, uint8_t block_count)
|
||
{
|
||
/* 开始 SPI 事务 */
|
||
ch395f_spi_begin();
|
||
|
||
/* 发送设置发送缓冲区命令 */
|
||
ch395f_write_cmd(CH395F_CMD_SET_SEND_BUF);
|
||
|
||
/* 发送 Socket 索引 */
|
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ch395f_write_data(sock);
|
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|
||
/* 发送起始块地址 */
|
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ch395f_write_data(start_block);
|
||
|
||
/* 发送块个数 */
|
||
ch395f_write_data(block_count);
|
||
|
||
/* 结束 SPI 事务 */
|
||
ch395f_spi_end();
|
||
}
|
||
|
||
/*
|
||
* 函数功能：清空 Socket 接收缓冲区
|
||
* 入口参数：sock - Socket 索引 uint8_t 0 - 7
|
||
* 限定条件：Socket 已打开
|
||
*/
|
||
void ch395f_clear_recv_buf(uint8_t sock)
|
||
{
|
||
/* 开始 SPI 事务 */
|
||
ch395f_spi_begin();
|
||
|
||
/* 发送清空接收缓冲区命令 */
|
||
ch395f_write_cmd(CH395F_CMD_CLEAR_RECV_BUF_SN);
|
||
|
||
/* 发送 Socket 索引 */
|
||
ch395f_write_data(sock);
|
||
|
||
/* 结束 SPI 事务 */
|
||
ch395f_spi_end();
|
||
}
|
||
|
||
/*
|
||
* 函数功能：设置 TCP KeepAlive 空闲时间
|
||
* 入口参数：time - 空闲时间（秒） uint32_t
|
||
* 限定条件：必须在 ch395f_init() 之前调用
|
||
*/
|
||
void ch395f_set_keepalive_idle(uint32_t time)
|
||
{
|
||
/* 开始 SPI 事务 */
|
||
ch395f_spi_begin();
|
||
|
||
/* 发送设置 KeepAlive 空闲时间命令 */
|
||
ch395f_write_cmd(CH395F_CMD_SET_KEEPALIVE_IDLE);
|
||
|
||
/* 发送 4 字节时间值（低字节在前） */
|
||
ch395f_write_data((uint8_t)(time));
|
||
ch395f_write_data((uint8_t)(time >> 8));
|
||
ch395f_write_data((uint8_t)(time >> 16));
|
||
ch395f_write_data((uint8_t)(time >> 24));
|
||
|
||
/* 结束 SPI 事务 */
|
||
ch395f_spi_end();
|
||
}
|
||
|
||
/*
|
||
* 函数功能：设置 TCP KeepAlive 探测间隔
|
||
* 入口参数：time - 间隔时间（秒） uint32_t
|
||
* 限定条件：必须在 ch395f_init() 之前调用
|
||
*/
|
||
void ch395f_set_keepalive_intvl(uint32_t time)
|
||
{
|
||
/* 开始 SPI 事务 */
|
||
ch395f_spi_begin();
|
||
|
||
/* 发送设置 KeepAlive 探测间隔命令 */
|
||
ch395f_write_cmd(CH395F_CMD_SET_KEEPALIVE_INTVL);
|
||
|
||
/* 发送 4 字节时间值（低字节在前） */
|
||
ch395f_write_data((uint8_t)(time));
|
||
ch395f_write_data((uint8_t)(time >> 8));
|
||
ch395f_write_data((uint8_t)(time >> 16));
|
||
ch395f_write_data((uint8_t)(time >> 24));
|
||
|
||
/* 结束 SPI 事务 */
|
||
ch395f_spi_end();
|
||
}
|
||
|
||
/*
|
||
* 函数功能：设置 TCP KeepAlive 探测次数
|
||
* 入口参数：cnt - 探测次数 uint8_t
|
||
* 限定条件：必须在 ch395f_init() 之前调用
|
||
*/
|
||
void ch395f_set_keepalive_cnt(uint8_t cnt)
|
||
{
|
||
/* 开始 SPI 事务 */
|
||
ch395f_spi_begin();
|
||
|
||
/* 发送设置 KeepAlive 探测次数命令 */
|
||
ch395f_write_cmd(CH395F_CMD_SET_KEEPALIVE_CNT);
|
||
|
||
/* 发送探测次数 */
|
||
ch395f_write_data(cnt);
|
||
|
||
/* 结束 SPI 事务 */
|
||
ch395f_spi_end();
|
||
}
|
||
|
||
/*
|
||
* 函数功能：启用/禁用指定 Socket 的 KeepAlive
|
||
* 入口参数：sock - Socket 索引 uint8_t 0 - 7
|
||
* enable - 1 启用，0 禁用 uint8_t
|
||
* 限定条件：Socket 已打开
|
||
*/
|
||
void ch395f_set_keepalive_enable(uint8_t sock, uint8_t enable)
|
||
{
|
||
/* 开始 SPI 事务 */
|
||
ch395f_spi_begin();
|
||
|
||
/* 发送设置 KeepAlive 使能命令 */
|
||
ch395f_write_cmd(CH395F_CMD_SET_KEEPALIVE_SN);
|
||
|
||
/* 发送 Socket 索引 */
|
||
ch395f_write_data(sock);
|
||
|
||
/* 发送使能标志 */
|
||
ch395f_write_data(enable);
|
||
|
||
/* 结束 SPI 事务 */
|
||
ch395f_spi_end();
|
||
}
|
||
|
||
/*
|
||
* 函数功能：设置 TCP 重传次数
|
||
* 入口参数：cnt - 重传次数 uint8_t（0=使用默认值5）
|
||
* 限定条件：必须在 ch395f_init() 之前调用
|
||
*/
|
||
void ch395f_set_retrans_count(uint8_t cnt)
|
||
{
|
||
/* 开始 SPI 事务 */
|
||
ch395f_spi_begin();
|
||
|
||
/* 发送设置重传次数命令 */
|
||
ch395f_write_cmd(CH395F_CMD_SET_RETRAN_COUNT);
|
||
|
||
/* 发送重传次数 */
|
||
ch395f_write_data(cnt);
|
||
|
||
/* 结束 SPI 事务 */
|
||
ch395f_spi_end();
|
||
}
|
||
|
||
/*
|
||
* 函数功能：设置 TCP 重传周期
|
||
* 入口参数：period - 重传周期（毫秒） uint16_t
|
||
* 限定条件：必须在 ch395f_init() 之前调用
|
||
*/
|
||
void ch395f_set_retrans_period(uint16_t period)
|
||
{
|
||
/* 开始 SPI 事务 */
|
||
ch395f_spi_begin();
|
||
|
||
/* 发送设置重传周期命令 */
|
||
ch395f_write_cmd(CH395F_CMD_SET_RETRAN_PERIOD);
|
||
|
||
/* 发送 2 字节周期值（低字节在前） */
|
||
ch395f_write_data(period & 0xFFU);
|
||
ch395f_write_data((period >> 8) & 0xFFU);
|
||
|
||
/* 结束 SPI 事务 */
|
||
ch395f_spi_end();
|
||
}
|
||
|
||
/*
|
||
* 函数功能：软件复位 CH395
|
||
* 返回值：CH395F_STATUS_OK
|
||
* 限定条件：SPI2 已正确初始化
|
||
* 函数说明：复位耗时约 15ms（TE0），函数内部已包含延时
|
||
*/
|
||
ch395f_status_t ch395f_reset(void)
|
||
{
|
||
/* 开始 SPI 事务 */
|
||
ch395f_spi_begin();
|
||
|
||
/* 发送复位命令 */
|
||
ch395f_write_cmd(CH395F_CMD_RESET_ALL);
|
||
|
||
/* 结束 SPI 事务 */
|
||
ch395f_spi_end();
|
||
|
||
/* 等待复位完成（TE0 = 15ms 典型值，等待 20ms） */
|
||
HAL_Delay(CH395F_RESET_DELAY_MS);
|
||
|
||
return CH395F_STATUS_OK;
|
||
}
|
||
|
||
/*
|
||
* 函数功能：查询命令执行状态
|
||
* 返回值：状态字节（CH395F_ERR_SUCCESS / CH395F_ERR_BUSY / ...）uint8_t
|
||
* 限定条件：仅在长执行命令（如初始化）后调用
|
||
*/
|
||
uint8_t ch395f_get_cmd_status(void)
|
||
{
|
||
uint8_t status;
|
||
|
||
/* 开始 SPI 事务 */
|
||
ch395f_spi_begin();
|
||
|
||
/* 发送状态查询命令 */
|
||
ch395f_write_cmd(CH395F_CMD_GET_CMD_STATUS);
|
||
|
||
/* 读取状态字节 */
|
||
status = ch395f_read_data();
|
||
|
||
/* 结束 SPI 事务 */
|
||
ch395f_spi_end();
|
||
|
||
return status;
|
||
}
|
||
|
||
/*
|
||
* 函数功能：轮询等待命令执行完成
|
||
* 入口参数：timeout_ms - 超时时间（毫秒） uint32_t
|
||
* 返回值：命令执行状态码（CH395F_ERR_SUCCESS 或 CH395F_CMD_RET_ABORT）
|
||
* 限定条件：在发送长执行命令后调用
|
||
* 函数说明：每 20ms 查询一次，直到命令完成或超时
|
||
*/
|
||
uint8_t ch395f_poll_cmd_status(uint32_t timeout_ms)
|
||
{
|
||
uint8_t status;
|
||
uint32_t retry_count = 0U;
|
||
uint32_t max_retries = (timeout_ms + 20U - 1U) / 20U;
|
||
|
||
while (1)
|
||
{
|
||
HAL_Delay(20U);
|
||
status = ch395f_get_cmd_status();
|
||
|
||
if (status != CH395F_ERR_BUSY)
|
||
{
|
||
return status;
|
||
}
|
||
|
||
if (++retry_count >= max_retries)
|
||
{
|
||
return CH395F_ERR_BUSY; /* 超时 */
|
||
}
|
||
}
|
||
}
|
||
|
||
/*
|
||
* 函数功能：初始化 CH395（包含 MAC、PHY、TCP/IP 协议栈）
|
||
* 返回值：CH395F_STATUS_OK - 成功，CH395F_STATUS_TIMEOUT - 超时失败
|
||
* 限定条件：芯片已通过 ch395f_reset() 复位
|
||
* 函数说明：阻塞等待初始化完成或超时（芯片需要约 200ms，这里等最多 4s）
|
||
*/
|
||
ch395f_status_t ch395f_init(void)
|
||
{
|
||
uint8_t status;
|
||
|
||
ch395f_spi_begin();
|
||
ch395f_write_cmd(CH395F_CMD_INIT_CH395);
|
||
ch395f_spi_end();
|
||
|
||
status = ch395f_poll_cmd_status(4000U);
|
||
|
||
if (status == CH395F_ERR_SUCCESS)
|
||
{
|
||
return CH395F_STATUS_OK;
|
||
}
|
||
|
||
return (status == CH395F_ERR_BUSY) ? CH395F_STATUS_TIMEOUT : CH395F_STATUS_ERROR;
|
||
}
|
||
|
||
/*
|
||
* 函数功能：设置 CH395 IP 地址（低字节在前）
|
||
* 入口参数：p_ip - 4 字节 IP 地址指针 uint8_t*
|
||
* 限定条件：指针非空，芯片已初始化
|
||
*/
|
||
void ch395f_set_ip_addr(uint8_t *p_ip)
|
||
{
|
||
uint8_t i;
|
||
|
||
/* 检查输入参数合法性 */
|
||
if (p_ip == NULL)
|
||
{
|
||
return;
|
||
}
|
||
|
||
/* 开始 SPI 事务 */
|
||
ch395f_spi_begin();
|
||
|
||
/* 发送设置 IP 命令 */
|
||
ch395f_write_cmd(CH395F_CMD_SET_IP_ADDR);
|
||
|
||
/* 逐字节发送 IP 地址 */
|
||
for (i = 0; i < 4; i++)
|
||
{
|
||
ch395f_write_data(p_ip[i]);
|
||
}
|
||
|
||
/* 结束 SPI 事务 */
|
||
ch395f_spi_end();
|
||
}
|
||
|
||
/*
|
||
* 函数功能：设置网关 IP 地址（低字节在前）
|
||
* 入口参数：p_gwip - 4 字节网关 IP 指针 uint8_t*
|
||
* 限定条件：指针非空，芯片已初始化
|
||
*/
|
||
void ch395f_set_gwip_addr(uint8_t *p_gwip)
|
||
{
|
||
uint8_t i;
|
||
|
||
/* 检查输入参数合法性 */
|
||
if (p_gwip == NULL)
|
||
{
|
||
return;
|
||
}
|
||
|
||
/* 开始 SPI 事务 */
|
||
ch395f_spi_begin();
|
||
|
||
/* 发送设置网关命令 */
|
||
ch395f_write_cmd(CH395F_CMD_SET_GWIP_ADDR);
|
||
|
||
/* 逐字节发送网关 IP */
|
||
for (i = 0; i < 4; i++)
|
||
{
|
||
ch395f_write_data(p_gwip[i]);
|
||
}
|
||
|
||
/* 结束 SPI 事务 */
|
||
ch395f_spi_end();
|
||
}
|
||
|
||
/*
|
||
* 函数功能：设置子网掩码（低字节在前）
|
||
* 入口参数：p_mask - 4 字节子网掩码指针 uint8_t*
|
||
* 限定条件：指针非空，芯片已初始化
|
||
*/
|
||
void ch395f_set_mask_addr(uint8_t *p_mask)
|
||
{
|
||
uint8_t i;
|
||
|
||
/* 检查输入参数合法性 */
|
||
if (p_mask == NULL)
|
||
{
|
||
return;
|
||
}
|
||
|
||
/* 开始 SPI 事务 */
|
||
ch395f_spi_begin();
|
||
|
||
/* 发送设置掩码命令 */
|
||
ch395f_write_cmd(CH395F_CMD_SET_MASK_ADDR);
|
||
|
||
/* 逐字节发送子网掩码 */
|
||
for (i = 0; i < 4; i++)
|
||
{
|
||
ch395f_write_data(p_mask[i]);
|
||
}
|
||
|
||
/* 结束 SPI 事务 */
|
||
ch395f_spi_end();
|
||
}
|
||
|
||
/*
|
||
* 函数功能：设置 MAC 地址（低字节在前，存储于 EEPROM）
|
||
* 入口参数：p_mac - 6 字节 MAC 地址指针 uint8_t*
|
||
* 限定条件：指针非空，芯片已初始化
|
||
* 函数说明：执行耗时约 30us（TE5）
|
||
*/
|
||
void ch395f_set_mac_addr(uint8_t *p_mac)
|
||
{
|
||
uint8_t i;
|
||
|
||
/* 检查输入参数合法性 */
|
||
if (p_mac == NULL)
|
||
{
|
||
return;
|
||
}
|
||
|
||
/* 开始 SPI 事务 */
|
||
ch395f_spi_begin();
|
||
|
||
/* 发送设置 MAC 命令 */
|
||
ch395f_write_cmd(CH395F_CMD_SET_MAC_ADDR);
|
||
|
||
/* 逐字节发送 MAC 地址 */
|
||
for (i = 0; i < 6; i++)
|
||
{
|
||
ch395f_write_data(p_mac[i]);
|
||
}
|
||
|
||
/* 结束 SPI 事务 */
|
||
ch395f_spi_end();
|
||
}
|
||
|
||
/*
|
||
* 函数功能：从 CH395 读取 MAC 地址
|
||
* 出口参数：p_mac - 6 字节 MAC 地址缓冲区指针 uint8_t*
|
||
* 限定条件：指针非空
|
||
*/
|
||
void ch395f_get_mac_addr(uint8_t *p_mac)
|
||
{
|
||
uint8_t i;
|
||
|
||
/* 检查输入参数合法性 */
|
||
if (p_mac == NULL)
|
||
{
|
||
return;
|
||
}
|
||
|
||
/* 开始 SPI 事务 */
|
||
ch395f_spi_begin();
|
||
|
||
/* 发送读取 MAC 命令 */
|
||
ch395f_write_cmd(CH395F_CMD_GET_MAC_ADDR);
|
||
|
||
/* 逐字节读取 MAC 地址 */
|
||
for (i = 0; i < 6; i++)
|
||
{
|
||
p_mac[i] = ch395f_read_data();
|
||
}
|
||
|
||
/* 结束 SPI 事务 */
|
||
ch395f_spi_end();
|
||
}
|
||
|
||
/*
|
||
* 函数功能：读取 IP 信息（IP + 掩码 + DNS，共 20 字节）
|
||
* 出口参数：p_buf - 20 字节缓冲区指针 uint8_t*
|
||
* 限定条件：指针非空
|
||
*/
|
||
void ch395f_get_ip_inf(uint8_t *p_buf)
|
||
{
|
||
uint8_t i;
|
||
|
||
/* 检查输入参数合法性 */
|
||
if (p_buf == NULL)
|
||
{
|
||
return;
|
||
}
|
||
|
||
/* 开始 SPI 事务 */
|
||
ch395f_spi_begin();
|
||
|
||
/* 发送读取 IP 信息命令 */
|
||
ch395f_write_cmd(CH395F_CMD_GET_IP_INF);
|
||
|
||
/* 逐字节读取 IP 信息（共 20 字节） */
|
||
for (i = 0; i < 20; i++)
|
||
{
|
||
p_buf[i] = ch395f_read_data();
|
||
}
|
||
|
||
/* 结束 SPI 事务 */
|
||
ch395f_spi_end();
|
||
}
|
||
|
||
/*
|
||
* 函数功能：获取 PHY 连接状态
|
||
* 返回值：PHY 状态码（CH395F_PHY_DISCONN、CH395F_PHY_10M_FULL 等）uint8_t
|
||
* 限定条件：芯片已初始化
|
||
*/
|
||
uint8_t ch395f_get_phy_status(void)
|
||
{
|
||
uint8_t status;
|
||
|
||
/* 开始 SPI 事务 */
|
||
ch395f_spi_begin();
|
||
|
||
/* 发送读取 PHY 状态命令 */
|
||
ch395f_write_cmd(CH395F_CMD_GET_PHY_STATUS);
|
||
|
||
/* 读取 PHY 状态 */
|
||
status = ch395f_read_data();
|
||
|
||
/* 结束 SPI 事务 */
|
||
ch395f_spi_end();
|
||
|
||
return status;
|
||
}
|
||
|
||
/*
|
||
* 函数功能：设置 PHY 连接模式
|
||
* 入口参数：phystat - 连接模式码 uint8_t 0x20 = 自动协商
|
||
* 限定条件：芯片已初始化
|
||
*/
|
||
void ch395f_set_phy(uint8_t phystat)
|
||
{
|
||
/* 开始 SPI 事务 */
|
||
ch395f_spi_begin();
|
||
|
||
/* 发送设置 PHY 命令 */
|
||
ch395f_write_cmd(CH395F_CMD_SET_PHY);
|
||
|
||
/* 发送连接模式参数 */
|
||
ch395f_write_data(phystat);
|
||
|
||
/* 结束 SPI 事务 */
|
||
ch395f_spi_end();
|
||
}
|
||
|
||
/*
|
||
* 函数功能：使能/关闭 CH395 响应 PING
|
||
* 入口参数：enable - 1 使能 PING 响应，0 关闭
|
||
* 限定条件：芯片已初始化
|
||
* 函数说明：手册 5.37 CMD_PING_ENABLE，默认关闭
|
||
*/
|
||
void ch395f_ping_enable(uint8_t enable)
|
||
{
|
||
/* 开始 SPI 事务 */
|
||
ch395f_spi_begin();
|
||
|
||
/* 发送 PING 使能命令 */
|
||
ch395f_write_cmd(CH395F_CMD_PING_ENABLE);
|
||
|
||
/* 发送使能标志 */
|
||
ch395f_write_data(enable);
|
||
|
||
/* 结束 SPI 事务 */
|
||
ch395f_spi_end();
|
||
}
|
||
|
||
/*
|
||
* 函数功能：启用/禁用 DHCP
|
||
* 入口参数：enable - 1 启用，0 禁用 uint8_t
|
||
* 限定条件：芯片已初始化
|
||
*/
|
||
void ch395f_set_dhcp(uint8_t enable)
|
||
{
|
||
/* 开始 SPI 事务 */
|
||
ch395f_spi_begin();
|
||
|
||
/* 发送 DHCP 使能命令 */
|
||
ch395f_write_cmd(CH395F_CMD_DHCP_ENABLE);
|
||
|
||
/* 发送启用/禁用参数 */
|
||
ch395f_write_data(enable);
|
||
|
||
/* 结束 SPI 事务 */
|
||
ch395f_spi_end();
|
||
}
|
||
|
||
/*
|
||
* 函数功能：获取 DHCP 状态
|
||
* 返回值：0 = 成功，非零 = 错误/超时 uint8_t
|
||
* 限定条件：芯片已初始化且 DHCP 已启用
|
||
*/
|
||
uint8_t ch395f_get_dhcp_status(void)
|
||
{
|
||
uint8_t status;
|
||
|
||
/* 开始 SPI 事务 */
|
||
ch395f_spi_begin();
|
||
|
||
/* 发送读取 DHCP 状态命令 */
|
||
ch395f_write_cmd(CH395F_CMD_GET_DHCP_STATUS);
|
||
|
||
/* 读取 DHCP 状态 */
|
||
status = ch395f_read_data();
|
||
|
||
/* 结束 SPI 事务 */
|
||
ch395f_spi_end();
|
||
|
||
return status;
|
||
}
|
||
|
||
/*
|
||
* 函数功能：设置 Socket 协议类型
|
||
* 入口参数：sock - Socket 索引 uint8_t 0 - 3
|
||
* proto - 协议类型 uint8_t CH395F_PROTO_TYPE_xxx
|
||
* 限定条件：Socket 未打开
|
||
*/
|
||
void ch395f_set_proto_type(uint8_t sock, uint8_t proto)
|
||
{
|
||
/* 开始 SPI 事务 */
|
||
ch395f_spi_begin();
|
||
|
||
/* 发送设置协议类型命令 */
|
||
ch395f_write_cmd(CH395F_CMD_SET_PROTO_TYPE_SN);
|
||
|
||
/* 发送 Socket 索引 */
|
||
ch395f_write_data(sock);
|
||
|
||
/* 发送协议类型 */
|
||
ch395f_write_data(proto);
|
||
|
||
/* 结束 SPI 事务 */
|
||
ch395f_spi_end();
|
||
}
|
||
|
||
/*
|
||
* 函数功能：设置 Socket 目标 IP 地址
|
||
* 入口参数：sock - Socket 索引 uint8_t 0 - 3
|
||
* p_ip - 4 字节目标 IP 指针 uint8_t*
|
||
* 限定条件：指针非空
|
||
*/
|
||
void ch395f_set_des_ip(uint8_t sock, uint8_t *p_ip)
|
||
{
|
||
uint8_t i;
|
||
|
||
/* 检查输入参数合法性 */
|
||
if (p_ip == NULL)
|
||
{
|
||
return;
|
||
}
|
||
|
||
/* 开始 SPI 事务 */
|
||
ch395f_spi_begin();
|
||
|
||
/* 发送设置目标 IP 命令 */
|
||
ch395f_write_cmd(CH395F_CMD_SET_IP_ADDR_SN);
|
||
|
||
/* 发送 Socket 索引 */
|
||
ch395f_write_data(sock);
|
||
|
||
/* 逐字节发送目标 IP */
|
||
for (i = 0; i < 4; i++)
|
||
{
|
||
ch395f_write_data(p_ip[i]);
|
||
}
|
||
|
||
/* 结束 SPI 事务 */
|
||
ch395f_spi_end();
|
||
}
|
||
|
||
/*
|
||
* 函数功能：设置 Socket 目标端口（小端序）
|
||
* 入口参数：sock - Socket 索引 uint8_t 0 - 3
|
||
* port - 目标端口 uint16_t
|
||
* 限定条件：无
|
||
*/
|
||
void ch395f_set_des_port(uint8_t sock, uint16_t port)
|
||
{
|
||
/* 开始 SPI 事务 */
|
||
ch395f_spi_begin();
|
||
|
||
/* 发送设置目标端口命令 */
|
||
ch395f_write_cmd(CH395F_CMD_SET_DES_PORT_SN);
|
||
|
||
/* 发送 Socket 索引 */
|
||
ch395f_write_data(sock);
|
||
|
||
/* 发送端口低字节 */
|
||
ch395f_write_data(port & 0xFFU);
|
||
|
||
/* 发送端口高字节 */
|
||
ch395f_write_data((port >> 8) & 0xFFU);
|
||
|
||
/* 结束 SPI 事务 */
|
||
ch395f_spi_end();
|
||
}
|
||
|
||
/*
|
||
* 函数功能：设置 Socket 源端口（小端序）
|
||
* 入口参数：sock - Socket 索引 uint8_t 0 - 3
|
||
* port - 源端口 uint16_t
|
||
* 限定条件：无
|
||
*/
|
||
void ch395f_set_sour_port(uint8_t sock, uint16_t port)
|
||
{
|
||
/* 开始 SPI 事务 */
|
||
ch395f_spi_begin();
|
||
|
||
/* 发送设置源端口命令 */
|
||
ch395f_write_cmd(CH395F_CMD_SET_SOUR_PORT_SN);
|
||
|
||
/* 发送 Socket 索引 */
|
||
ch395f_write_data(sock);
|
||
|
||
/* 发送端口低字节 */
|
||
ch395f_write_data(port & 0xFFU);
|
||
|
||
/* 发送端口高字节 */
|
||
ch395f_write_data((port >> 8) & 0xFFU);
|
||
|
||
/* 结束 SPI 事务 */
|
||
ch395f_spi_end();
|
||
}
|
||
|
||
/*
|
||
* 函数功能：打开 Socket
|
||
* 入口参数：sock - Socket 索引 uint8_t 0 - 7
|
||
* 返回值：命令执行状态码（CH395F_ERR_SUCCESS 表示成功） uint8_t
|
||
* 限定条件：协议类型、目标 IP、端口已设置
|
||
*/
|
||
uint8_t ch395f_open_socket(uint8_t sock)
|
||
{
|
||
ch395f_spi_begin();
|
||
ch395f_write_cmd(CH395F_CMD_OPEN_SOCKET_SN);
|
||
ch395f_write_data(sock);
|
||
ch395f_spi_end();
|
||
|
||
return ch395f_poll_cmd_status(4000U);
|
||
}
|
||
|
||
/*
|
||
* 函数功能：关闭 Socket
|
||
* 入口参数：sock - Socket 索引 uint8_t 0 - 7
|
||
* 返回值：命令执行状态码（CH395F_ERR_SUCCESS 表示成功） uint8_t
|
||
* 限定条件：Socket 已打开
|
||
*/
|
||
uint8_t ch395f_close_socket(uint8_t sock)
|
||
{
|
||
ch395f_spi_begin();
|
||
ch395f_write_cmd(CH395F_CMD_CLOSE_SOCKET_SN);
|
||
ch395f_write_data(sock);
|
||
ch395f_spi_end();
|
||
|
||
return ch395f_poll_cmd_status(4000U);
|
||
}
|
||
|
||
/*
|
||
* 函数功能：启动 TCP 监听模式
|
||
* 入口参数：sock - Socket 索引 uint8_t 0 - 7
|
||
* 返回值：命令执行状态码（CH395F_ERR_SUCCESS 表示成功） uint8_t
|
||
* 限定条件：Socket 已打开且协议类型为 TCP
|
||
*/
|
||
uint8_t ch395f_tcp_listen(uint8_t sock)
|
||
{
|
||
ch395f_spi_begin();
|
||
ch395f_write_cmd(CH395F_CMD_TCP_LISTEN_SN);
|
||
ch395f_write_data(sock);
|
||
ch395f_spi_end();
|
||
|
||
return ch395f_poll_cmd_status(4000U);
|
||
}
|
||
|
||
/*
|
||
* 函数功能：启动 TCP 连接
|
||
* 入口参数：sock - Socket 索引 uint8_t 0 - 7
|
||
* 返回值：命令执行状态码（CH395F_ERR_SUCCESS 表示成功） uint8_t
|
||
* 限定条件：Socket 已打开且协议类型为 TCP
|
||
*/
|
||
uint8_t ch395f_tcp_connect(uint8_t sock)
|
||
{
|
||
ch395f_spi_begin();
|
||
ch395f_write_cmd(CH395F_CMD_TCP_CONNECT_SN);
|
||
ch395f_write_data(sock);
|
||
ch395f_spi_end();
|
||
|
||
return ch395f_poll_cmd_status(4000U);
|
||
}
|
||
|
||
/*
|
||
* 函数功能：断开 TCP 连接
|
||
* 入口参数：sock - Socket 索引 uint8_t 0 - 7
|
||
* 返回值：命令执行状态码（CH395F_ERR_SUCCESS 表示成功） uint8_t
|
||
* 限定条件：TCP 已建立连接
|
||
*/
|
||
uint8_t ch395f_tcp_disconnect(uint8_t sock)
|
||
{
|
||
ch395f_spi_begin();
|
||
ch395f_write_cmd(CH395F_CMD_TCP_DISCONNECT_SN);
|
||
ch395f_write_data(sock);
|
||
ch395f_spi_end();
|
||
|
||
return ch395f_poll_cmd_status(4000U);
|
||
}
|
||
|
||
/*
|
||
* 函数功能：向 Socket 发送缓冲区写入数据（DMA 批量传输）
|
||
* 入口参数：sock - Socket 索引 uint8_t 0 - 3
|
||
* p_data - 数据指针 uint8_t*
|
||
* len - 数据长度 uint16_t
|
||
* 限定条件：指针非空，长度大于 0，TCP 已连接或 UDP 已打开
|
||
* 函数说明：将命令头和数据打包到 DMA 缓冲区，一次 SPI DMA 传输完成
|
||
*/
|
||
void ch395f_write_send_buf(uint8_t sock, uint8_t *p_data, uint16_t len)
|
||
{
|
||
uint16_t total;
|
||
|
||
/* 检查输入参数合法性 */
|
||
if (p_data == NULL)
|
||
{
|
||
return;
|
||
}
|
||
|
||
/* 计算总长度：1(cmd) + 1(sock) + 2(len) + data */
|
||
total = 4U + len;
|
||
if (total > CH395F_DMA_BUF_SIZE)
|
||
{
|
||
return;
|
||
}
|
||
|
||
/* 打包命令头到 DMA 发送缓冲区 */
|
||
s_spi2_dma_tx_buf[0] = CH395F_CMD_WRITE_SEND_BUF_SN;
|
||
s_spi2_dma_tx_buf[1] = sock;
|
||
s_spi2_dma_tx_buf[2] = len & 0xFFU;
|
||
s_spi2_dma_tx_buf[3] = (len >> 8) & 0xFFU;
|
||
|
||
/* 拷贝用户数据到 DMA 发送缓冲区 */
|
||
memcpy(&s_spi2_dma_tx_buf[4], p_data, len);
|
||
|
||
/* 数据同步屏障：确保 memcpy 写入在 DMA 读取前对总线可见 */
|
||
__DSB();
|
||
|
||
/* CS 拉低 -> DMA 批量传输 -> CS 拉高 */
|
||
ch395f_spi_begin();
|
||
ch395f_spi_dma_transfer(total);
|
||
ch395f_spi_end();
|
||
}
|
||
|
||
/*
|
||
* 函数功能：从 Socket 接收缓冲区读取数据（DMA 批量传输）
|
||
* 入口参数：sock - Socket 索引 uint8_t 0 - 3
|
||
* p_data - 输出缓冲区指针 uint8_t*
|
||
* len - 待读取数据长度 uint16_t
|
||
* 限定条件：指针非空，长度大于 0，接收缓冲区有数据
|
||
* 函数说明：命令头打包到发送缓冲区（数据部分填 0xFF 作时钟），
|
||
* 一次 SPI DMA 全双工传输，有效数据从接收缓冲区偏移 4 字节处拷出
|
||
*/
|
||
void ch395f_read_recv_buf(uint8_t sock, uint8_t *p_data, uint16_t len)
|
||
{
|
||
uint16_t total;
|
||
|
||
/* 检查输入参数合法性 */
|
||
if (p_data == NULL)
|
||
{
|
||
return;
|
||
}
|
||
|
||
/* 计算总长度：1(cmd) + 1(sock) + 2(len) + data */
|
||
total = 4U + len;
|
||
if (total > CH395F_DMA_BUF_SIZE)
|
||
{
|
||
return;
|
||
}
|
||
|
||
/* 命令头打包到 DMA 发送缓冲区 */
|
||
s_spi2_dma_tx_buf[0] = CH395F_CMD_READ_RECV_BUF_SN;
|
||
s_spi2_dma_tx_buf[1] = sock;
|
||
s_spi2_dma_tx_buf[2] = len & 0xFFU;
|
||
s_spi2_dma_tx_buf[3] = (len >> 8) & 0xFFU;
|
||
|
||
/* 数据部分填充 0xFF（SPI 时钟驱动用） */
|
||
memset(&s_spi2_dma_tx_buf[4], 0xFFU, len);
|
||
|
||
/* CS 拉低 -> DMA 全双工传输（发命令头 + 收数据） -> CS 拉高 */
|
||
ch395f_spi_begin();
|
||
ch395f_spi_dma_transfer(total);
|
||
ch395f_spi_end();
|
||
|
||
/* 从 DMA 接收缓冲区偏移 4 字节处拷贝有效数据到用户缓冲区 */
|
||
memcpy(p_data, &s_spi2_dma_rx_buf[4], len);
|
||
}
|
||
|
||
/*
|
||
* 函数功能：获取 Socket 接收缓冲区数据长度
|
||
* 入口参数：sock - Socket 索引 uint8_t 0 - 3
|
||
* 返回值：接收数据长度 uint16_t
|
||
* 限定条件：Socket 已打开
|
||
*/
|
||
uint16_t ch395f_get_recv_len(uint8_t sock)
|
||
{
|
||
uint16_t recv_len;
|
||
|
||
/* 开始 SPI 事务 */
|
||
ch395f_spi_begin();
|
||
|
||
/* 发送获取接收长度命令 */
|
||
ch395f_write_cmd(CH395F_CMD_GET_RECV_LEN_SN);
|
||
|
||
/* 发送 Socket 索引 */
|
||
ch395f_write_data(sock);
|
||
|
||
/* 读取长度低字节 */
|
||
recv_len = ch395f_read_data();
|
||
|
||
/* 读取长度高字节并组合 */
|
||
recv_len |= (uint16_t)ch395f_read_data() << 8;
|
||
|
||
/* 结束 SPI 事务 */
|
||
ch395f_spi_end();
|
||
|
||
return recv_len;
|
||
}
|
||
|
||
/*
|
||
* 函数功能：获取全局中断状态
|
||
* 返回值：中断状态字节 uint8_t
|
||
* 限定条件：芯片已初始化
|
||
*/
|
||
uint8_t ch395f_get_glob_int_status(void)
|
||
{
|
||
uint8_t status;
|
||
|
||
/* 开始 SPI 事务 */
|
||
ch395f_spi_begin();
|
||
|
||
/* 发送读取全局中断状态命令 */
|
||
ch395f_write_cmd(CH395F_CMD_GET_GLOB_INT_STATUS);
|
||
|
||
/* 读取中断状态 */
|
||
status = ch395f_read_data();
|
||
|
||
/* 结束 SPI 事务 */
|
||
ch395f_spi_end();
|
||
|
||
return status;
|
||
}
|
||
|
||
/*
|
||
* 函数功能：获取全局中断状态（2 字节版，支持 Socket 0~7）
|
||
* 返回值：中断状态 uint16_t（低字节=Socket 0~3 + PHY/DHCP，高字节=Socket 4~7 + DHCPv6）
|
||
* 限定条件：芯片已初始化
|
||
*/
|
||
uint16_t ch395f_get_glob_int_status_all(void)
|
||
{
|
||
uint16_t status;
|
||
|
||
ch395f_spi_begin();
|
||
ch395f_write_cmd(CH395F_CMD_GET_GLOB_INT_STATUS_ALL);
|
||
status = (uint16_t)ch395f_read_data();
|
||
status |= ((uint16_t)ch395f_read_data() << 8U);
|
||
ch395f_spi_end();
|
||
|
||
return status;
|
||
}
|
||
|
||
/*
|
||
* 函数功能：获取 Socket 中断状态
|
||
* 入口参数：sock - Socket 索引 uint8_t 0 - 7
|
||
* 返回值：Socket 中断状态字节 uint8_t
|
||
* 限定条件：芯片已初始化
|
||
*/
|
||
uint8_t ch395f_get_sock_int_status(uint8_t sock)
|
||
{
|
||
uint8_t status;
|
||
|
||
/* 开始 SPI 事务 */
|
||
ch395f_spi_begin();
|
||
|
||
/* 发送读取 Socket 中断状态命令 */
|
||
ch395f_write_cmd(CH395F_CMD_GET_INT_STATUS_SN);
|
||
|
||
/* 发送 Socket 索引 */
|
||
ch395f_write_data(sock);
|
||
|
||
/* 读取中断状态 */
|
||
status = ch395f_read_data();
|
||
|
||
/* 结束 SPI 事务 */
|
||
ch395f_spi_end();
|
||
|
||
return status;
|
||
}
|
||
|
||
/*
|
||
* 函数功能：获取 Socket 状态（2 字节输出）
|
||
* 入口参数：sock - Socket 索引 uint8_t 0 - 7
|
||
* status - 2 字节输出缓冲区 [0]=Socket状态, [1]=TCP状态
|
||
* 限定条件：芯片已初始化
|
||
*/
|
||
void ch395f_get_socket_status(uint8_t sock, uint8_t *status)
|
||
{
|
||
ch395f_spi_begin();
|
||
ch395f_write_cmd(CH395F_CMD_GET_SOCKET_STATUS_SN);
|
||
ch395f_write_data(sock);
|
||
status[0] = ch395f_read_data();
|
||
status[1] = ch395f_read_data();
|
||
ch395f_spi_end();
|
||
}
|
||
|
||
/*
|
||
* 函数功能：设置 ARP 重传参数
|
||
* 入口参数：period_100ms - ARP 重传周期（单位 100ms，0=默认值=10即1秒） uint8_t
|
||
* cnt - ARP 重传次数（0=默认值=3） uint8_t
|
||
* 限定条件：应在 ch395f_init() 之后调用
|
||
* 函数说明：周期最大值约 25.5 秒，255 表示无限重传
|
||
*/
|
||
void ch395f_set_arp(uint8_t period_100ms, uint8_t cnt)
|
||
{
|
||
ch395f_spi_begin();
|
||
ch395f_write_cmd(CH395F_CMD_SET_ARP);
|
||
ch395f_write_data(period_100ms);
|
||
ch395f_write_data(cnt);
|
||
ch395f_spi_end();
|
||
}
|
||
|
||
/*
|
||
* 函数功能：设置 Socket TTL
|
||
* 入口参数：sock - Socket 索引 uint8_t 0 - 7
|
||
* ttl - TTL 值 uint8_t 最大 128
|
||
* 限定条件：Socket 已打开，TCP Server 模式下不生效
|
||
*/
|
||
void ch395f_set_ttl(uint8_t sock, uint8_t ttl)
|
||
{
|
||
ch395f_spi_begin();
|
||
ch395f_write_cmd(CH395F_CMD_SET_TTL);
|
||
ch395f_write_data(sock);
|
||
ch395f_write_data(ttl);
|
||
ch395f_spi_end();
|
||
}
|
||
|
||
/*
|
||
* 函数功能：获取不可达信息（用于调试连接失败原因）
|
||
* 出口参数：p_buf - 8 字节输出缓冲区（类型+协议码+端口+IP）
|
||
* 限定条件：收到 GINT_STAT_UNREACH 中断后调用
|
||
*/
|
||
void ch395f_get_unreach_info(uint8_t *p_buf)
|
||
{
|
||
uint8_t i;
|
||
|
||
ch395f_spi_begin();
|
||
ch395f_write_cmd(CH395F_CMD_GET_UNREACH_IPPT);
|
||
for (i = 0; i < 8; i++)
|
||
{
|
||
p_buf[i] = ch395f_read_data();
|
||
}
|
||
ch395f_spi_end();
|
||
}
|