init:初始框架
This commit is contained in:
SkyLi
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/*********************************************************************************************************************
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* MSPM0G3507 Opensource Library 即（MSPM0G3507 开源库）是一个基于官方 SDK 接口的第三方开源库
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* Copyright (c) 2022 SEEKFREE 逐飞科技
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*
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* 本文件是 MSPM0G3507 开源库的一部分
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*
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* MSPM0G3507 开源库 是免费软件
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* 您可以根据自由软件基金会发布的 GPL（GNU General Public License，即 GNU通用公共许可证）的条款
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* 即 GPL 的第3版（即 GPL3.0）或（您选择的）任何后来的版本，重新发布和/或修改它
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*
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* 本开源库的发布是希望它能发挥作用，但并未对其作任何的保证
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* 甚至没有隐含的适销性或适合特定用途的保证
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* 更多细节请参见 GPL
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*
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* 您应该在收到本开源库的同时收到一份 GPL 的副本
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* 如果没有，请参阅<https://www.gnu.org/licenses/>
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*
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* 额外注明：
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* 本开源库使用 GPL3.0 开源许可证协议 以上许可申明为译文版本
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* 许可申明英文版在 libraries/doc 文件夹下的 GPL3_permission_statement.txt 文件中
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* 许可证副本在 libraries 文件夹下 即该文件夹下的 LICENSE 文件
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* 欢迎各位使用并传播本程序 但修改内容时必须保留逐飞科技的版权声明（即本声明）
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*
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* 文件名称 zf_device_wifi_spi
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* 公司名称 成都逐飞科技有限公司
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* 版本信息 查看 libraries/doc 文件夹内 version 文件版本说明
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* 开发环境 MDK 5.37
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* 适用平台 MSPM0G3507
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* 店铺链接 https://seekfree.taobao.com/
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*
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* 修改记录
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* 日期 作者 备注
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* 2025-06-1 SeekFree first version
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********************************************************************************************************************/
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/*********************************************************************************************************************
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* 接线定义：
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* ------------------------------------
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* 模块管脚 单片机管脚
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* RST 查看 zf_device_wifi_spi.h 中 WIFI_SPI_RST_PIN 宏定义
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* INT 查看 zf_device_wifi_spi.h 中 WIFI_SPI_INT_PIN 宏定义
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* CS 查看 zf_device_wifi_spi.h 中 WIFI_SPI_CS_PIN 宏定义
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* MISO 查看 zf_device_wifi_spi.h 中 WIFI_SPI_MISO_PIN 宏定义
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* SCK 查看 zf_device_wifi_spi.h 中 WIFI_SPI_SCK_PIN 宏定义
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* MOSI 查看 zf_device_wifi_spi.h 中 WIFI_SPI_MOSI_PIN 宏定义
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* 5V 5V 电源
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* GND 电源地
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* 其余引脚悬空
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* ------------------------------------
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*********************************************************************************************************************/
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#include "stdio.h"
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#include "zf_common_clock.h"
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#include "zf_common_debug.h"
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#include "zf_common_fifo.h"
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#include "zf_driver_delay.h"
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#include "zf_driver_gpio.h"
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#include "zf_driver_spi.h"
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#include "zf_device_type.h"
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#include "zf_device_wifi_spi.h"
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#define WIFI_CONNECT_TIME_OUT 10000 // 单位毫秒
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#define SOCKET_CONNECT_TIME_OUT 50000 // 单位毫秒
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#define OTHER_TIME_OUT 1000 // 单位毫秒
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char wifi_spi_version[12]; // 保存模块固件版本信息
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char wifi_spi_mac_addr[20]; // 保存模块MAC地址信息
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char wifi_spi_ip_addr_port[25]; // 保存模块IP地址与端口信息
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static fifo_struct wifi_spi_fifo;
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static uint8 wifi_spi_buffer[WIFI_SPI_RECVIVE_FIFO_SIZE];
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static volatile wifi_spi_state_enum wifi_spi_mutex;
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//-------------------------------------------------------------------------------------------------------------------
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// 函数简介 等待WIFI SPI就绪
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// 参数说明 wait_time 最大等待时间 单位毫秒
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// 返回参数 uint8 状态 0-成功 1-错误
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// 使用示例 内部使用，用户无需关心
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// 备注信息
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//-------------------------------------------------------------------------------------------------------------------
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static uint8 wifi_spi_wait_idle (uint32 wait_time)
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{
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uint32 time = 0;
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wait_time = wait_time*100;
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while(0 == gpio_get_level(WIFI_SPI_INT_PIN))
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{
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system_delay_us(10);
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time++;
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if(wait_time <= time)
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{
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break;
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}
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}
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return (wait_time <= time);
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}
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//-------------------------------------------------------------------------------------------------------------------
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// 函数简介 写入数据到WIFI SPI
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// 参数说明 *buffer1 第一组需要发送的数据缓冲区地址
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// 参数说明 length1 第一组数据长度
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// 参数说明 *buffer2 第二组需要发送的数据缓冲区地址
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// 参数说明 length2 第二组数据长度
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// 返回参数 void
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// 使用示例 内部使用，用户无需关心
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// 备注信息
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//-------------------------------------------------------------------------------------------------------------------
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static void wifi_spi_write (const uint8 *buffer1, uint16 length1, const uint8 *buffer2, uint16 length2)
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{
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gpio_low(WIFI_SPI_CS_PIN);
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if(NULL != buffer1)
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{
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spi_write_8bit_array(WIFI_SPI_INDEX, buffer1, length1);
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}
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if(NULL != buffer2)
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{
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spi_write_8bit_array(WIFI_SPI_INDEX, buffer2, length2);
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}
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gpio_high(WIFI_SPI_CS_PIN);
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}
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//-------------------------------------------------------------------------------------------------------------------
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// 函数简介 WIFI SPI 发送与接收同时进行（命令收发）
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// 参数说明 *packets 发送与接收的地址
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// 参数说明 length 需要接收的长度
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// 返回参数 void
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// 使用示例 内部使用，用户无需关心
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// 备注信息
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//-------------------------------------------------------------------------------------------------------------------
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static void wifi_spi_transfer_command (wifi_spi_packets_struct *packets, uint16 length)
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{
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gpio_low(WIFI_SPI_CS_PIN);
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spi_transfer_8bit(WIFI_SPI_INDEX, (uint8 *)&(packets->head), (uint8 *)&(packets->head), sizeof(wifi_spi_head_struct));
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if(length)
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{
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spi_transfer_8bit(WIFI_SPI_INDEX, (const uint8 *)(packets->buffer), packets->buffer, length);
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}
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gpio_high(WIFI_SPI_CS_PIN);
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}
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//-------------------------------------------------------------------------------------------------------------------
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// 函数简介 WIFI SPI 发送与接收同时进行(数据收发)
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// 参数说明 *write_data 发送的数据缓冲区地址
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// 参数说明 *read_data 接收到的数据的存储地址
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// 参数说明 length 需要接收的长度
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// 返回参数 void
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// 使用示例 内部使用，用户无需关心
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// 备注信息
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//-------------------------------------------------------------------------------------------------------------------
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static void wifi_spi_transfer_data (const uint8 *write_data, wifi_spi_packets_struct *read_data, uint16 length)
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{
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gpio_low(WIFI_SPI_CS_PIN);
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read_data->head.command = WIFI_SPI_DATA;
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read_data->head.length = length;
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spi_transfer_8bit(WIFI_SPI_INDEX, (uint8 *)&(read_data->head), (uint8 *)&(read_data->head), sizeof(wifi_spi_head_struct));
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if(WIFI_SPI_RECVIVE_SIZE < length)
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{
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spi_transfer_8bit(WIFI_SPI_INDEX, write_data, read_data->buffer, WIFI_SPI_RECVIVE_SIZE);
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spi_write_8bit_array(WIFI_SPI_INDEX, &write_data[WIFI_SPI_RECVIVE_SIZE], length - WIFI_SPI_RECVIVE_SIZE);
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}
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else
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{
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// 将需要发送的数据拷贝到读取缓冲区，避免出现write_data越界访问
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memcpy(read_data->buffer, write_data, length);
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spi_transfer_8bit(WIFI_SPI_INDEX, read_data->buffer, read_data->buffer, WIFI_SPI_RECVIVE_SIZE);
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}
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gpio_high(WIFI_SPI_CS_PIN);
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}
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//-------------------------------------------------------------------------------------------------------------------
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// 函数简介 WIFI SPI 参数设置
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// 参数说明 command 命令类型
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// 参数说明 *buffer 参数地址
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// 参数说明 length 参数长度
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// 参数说明 wait_time 最大等待时间 单位100微妙
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// 返回参数 uint8 状态 0-成功 1-错误
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// 使用示例 内部使用，用户无需关心
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// 备注信息
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//-------------------------------------------------------------------------------------------------------------------
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static uint8 wifi_spi_set_parameter (wifi_spi_packets_command_enum command, uint8 *buffer, uint16 length, uint32 wait_time)
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{
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uint8 return_state;
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wifi_spi_head_struct head;
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return_state = 1;
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do
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{
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head.command = command;
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head.length = length;
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// 等待从机准备就绪
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if(wifi_spi_wait_idle(wait_time))
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{
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break;
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}
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wifi_spi_write(&head.command, sizeof(wifi_spi_head_struct), buffer, length);
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if(wifi_spi_wait_idle(wait_time))
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{
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break;
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}
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// 接收应答信号
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head.command = WIFI_SPI_DATA;
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head.length = 0;
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wifi_spi_transfer_command((wifi_spi_packets_struct *)&head, head.length);
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system_delay_us(20);
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if(WIFI_SPI_REPLY_OK == head.command)
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{
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return_state = 0;
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}
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}while(0);
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return return_state;
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}
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//-------------------------------------------------------------------------------------------------------------------
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// 函数简介 WIFI SPI 模块信息获取
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// 参数说明 command 命令类型
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// 参数说明 *read_data 保存接收到的参数地址
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// 参数说明 wait_time 最大等待时间 单位100微妙
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// 返回参数 uint8 状态 0-成功 1-错误
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// 使用示例 内部使用，用户无需关心
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// 备注信息
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//-------------------------------------------------------------------------------------------------------------------
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static uint8 wifi_spi_get_parameter (wifi_spi_packets_command_enum command, wifi_spi_packets_struct *read_data, uint32 wait_time)
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{
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uint8 return_state;
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return_state = 1;
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do
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{
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// 等待从机准备就绪
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if(wifi_spi_wait_idle(wait_time))
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{
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break;
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}
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read_data->head.command = command;
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wifi_spi_write(&(read_data->head.command), WIFI_SPI_RECVIVE_SIZE, NULL, 0);
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if(wifi_spi_wait_idle(wait_time))
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{
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break;
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}
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read_data->head.command = WIFI_SPI_DATA;
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read_data->head.length = 0;
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wifi_spi_transfer_command(read_data, WIFI_SPI_RECVIVE_SIZE);
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return_state = 0;
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}while(0);
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return return_state;
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}
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//-------------------------------------------------------------------------------------------------------------------
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// 函数简介 WIFI SPI 固件版本获取
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// 参数说明 void 端口号
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// 返回参数 uint8 状态 0-成功 1-错误
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// 使用示例
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// 备注信息 调用函数之后，固件版本信息以字符串形式保存在wifi_spi_version数组中
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//-------------------------------------------------------------------------------------------------------------------
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static uint8 wifi_spi_get_version (void)
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{
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uint8 return_state;
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wifi_spi_packets_struct temp_packets;
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return_state = wifi_spi_get_parameter(WIFI_SPI_GET_VERSION, &temp_packets, OTHER_TIME_OUT);
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if((0 == return_state) && (WIFI_SPI_REPLY_VERSION == temp_packets.head.command))
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{
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memcpy(wifi_spi_version, temp_packets.buffer, temp_packets.head.length);
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}
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return_state = (return_state == 0) ? (WIFI_SPI_REPLY_VERSION != temp_packets.head.command) : 1;
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return return_state;
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}
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//-------------------------------------------------------------------------------------------------------------------
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// 函数简介 WIFI SPI MAC地址获取
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// 参数说明 void 端口号
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// 返回参数 uint8 状态 0-成功 1-错误
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// 使用示例
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// 备注信息 调用函数之后，MAC地址信息以字符串形式保存在wifi_spi_mac_addr数组中
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//-------------------------------------------------------------------------------------------------------------------
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static uint8 wifi_spi_get_mac_addr (void)
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{
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uint8 return_state;
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wifi_spi_packets_struct temp_packets;
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return_state = wifi_spi_get_parameter(WIFI_SPI_GET_MAC_ADDR, &temp_packets, OTHER_TIME_OUT);
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if((0 == return_state) && (WIFI_SPI_REPLY_MAC_ADDR == temp_packets.head.command))
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{
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memcpy(wifi_spi_mac_addr, temp_packets.buffer, temp_packets.head.length);
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}
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return_state = (return_state == 0) ? (WIFI_SPI_REPLY_MAC_ADDR != temp_packets.head.command) : 1;
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return return_state;
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}
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//-------------------------------------------------------------------------------------------------------------------
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// 函数简介 WIFI SPI IP地址与端口号获取
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// 参数说明 void 端口号
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// 返回参数 uint8 状态 0-成功 1-错误
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// 使用示例
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// 备注信息 调用函数之后，IP地址与端口号信息以字符串形式保存在wifi_spi_ip_addr_port数组中
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// 需要在连接Socket之后调用此函数才能正常获取信息
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//-------------------------------------------------------------------------------------------------------------------
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static uint8 wifi_spi_get_ip_addr_port (void)
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{
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uint8 return_state;
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wifi_spi_packets_struct temp_packets;
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return_state = wifi_spi_get_parameter(WIFI_SPI_GET_IP_ADDR, &temp_packets, OTHER_TIME_OUT);
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if((0 == return_state) && (WIFI_SPI_REPLY_IP_ADDR == temp_packets.head.command))
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{
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memcpy(wifi_spi_ip_addr_port, temp_packets.buffer, temp_packets.head.length);
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}
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return_state = (return_state == 0) ? (WIFI_SPI_REPLY_IP_ADDR != temp_packets.head.command) : 1;
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return return_state;
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}
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//-------------------------------------------------------------------------------------------------------------------
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// 函数简介 WIFI SPI 设置连接的WiFi信息并尝试连接WiFi
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// 参数说明 *wifi_ssid WIFI名称
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// 参数说明 *pass_word WIFI密码
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// 返回参数 uint8 状态 0-成功 1-错误
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// 使用示例 wifi_spi_wifi_connect("SEEKFREE", "SEEKFREE123");
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// 备注信息 wifi_spi_wifi_connect("SEEKFREE", NULL); // 连接没有密码的WIFI热点
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//-------------------------------------------------------------------------------------------------------------------
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uint8 wifi_spi_wifi_connect (char *wifi_ssid, char *pass_word)
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{
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uint8 return_state;
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uint8 temp_buffer[64];
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uint16 length;
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if(NULL != pass_word)
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{
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// WIFI热点有密码发送热点名称与密码
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length = (uint16)sprintf((char *)temp_buffer, "%s\r\n%s\r\n", wifi_ssid, pass_word);
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}
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else
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{
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// WIFI热点没有密码只需要发送热点名称
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length = (uint16)sprintf((char *)temp_buffer, "%s\r\n", wifi_ssid);
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}
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return_state = wifi_spi_set_parameter(WIFI_SPI_SET_WIFI_INFORMATION, temp_buffer, length, WIFI_CONNECT_TIME_OUT);
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// 本机IP地址与端口号信息以字符串形式保存在wifi_spi_ip_addr_port数组中
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wifi_spi_get_ip_addr_port();
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return return_state;
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}
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//-------------------------------------------------------------------------------------------------------------------
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// 函数简介 WIFI SPI 设置连接的Socket信息并尝试连接Socket
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||||
// 参数说明 *transport_type 传输类型
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// 参数说明 *ip_addr IP地址
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||||
// 参数说明 *port 目标端口号
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// 参数说明 *local_port 本机端口号
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||||
// 返回参数 uint8 状态 0-成功 1-错误
|
||||
// 使用示例 wifi_spi_socket_connect("TCP", "192.168.2.5", "8080", "6060");
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||||
// 备注信息
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||||
//-------------------------------------------------------------------------------------------------------------------
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||||
uint8 wifi_spi_socket_connect (char *transport_type, char *ip_addr, char *port, char *local_port)
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||||
{
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||||
uint8 return_state;
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||||
uint8 temp_buffer[41];
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||||
uint16 length;
|
||||
|
||||
length = (uint16)sprintf((char *)temp_buffer, "%s\r\n%s\r\n%s\r\n%s\r\n", transport_type, ip_addr, port, local_port);
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||||
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||||
return_state = wifi_spi_set_parameter(WIFI_SPI_SET_SOCKET_INFORMATION, temp_buffer, length, SOCKET_CONNECT_TIME_OUT);
|
||||
|
||||
// 本机IP地址与端口号信息以字符串形式保存在wifi_spi_ip_addr_port数组中
|
||||
wifi_spi_get_ip_addr_port();
|
||||
|
||||
return return_state;
|
||||
}
|
||||
|
||||
//-------------------------------------------------------------------------------------------------------------------
|
||||
// 函数简介 WIFI SPI 断开Socket连接
|
||||
// 参数说明 void
|
||||
// 返回参数 uint8 状态 0-成功 1-错误
|
||||
// 使用示例 wifi_spi_socket_disconnect();
|
||||
// 备注信息
|
||||
//-------------------------------------------------------------------------------------------------------------------
|
||||
uint8 wifi_spi_socket_disconnect (void)
|
||||
{
|
||||
wifi_spi_packets_struct temp_packets;
|
||||
|
||||
return wifi_spi_get_parameter(WIFI_SPI_CLOSE_SOCKET, &temp_packets, OTHER_TIME_OUT);
|
||||
}
|
||||
|
||||
//-------------------------------------------------------------------------------------------------------------------
|
||||
// 函数简介 WIFI SPI 软复位
|
||||
// 参数说明 void
|
||||
// 返回参数 uint8 状态 0-成功 1-错误
|
||||
// 使用示例
|
||||
// 备注信息
|
||||
//-------------------------------------------------------------------------------------------------------------------
|
||||
uint8 wifi_spi_reset (void)
|
||||
{
|
||||
uint8 return_state;
|
||||
wifi_spi_head_struct head;
|
||||
return_state = 1;
|
||||
do
|
||||
{
|
||||
head.command = WIFI_SPI_RESET;
|
||||
head.length = 0xA5A5;
|
||||
return_state = wifi_spi_wait_idle(OTHER_TIME_OUT);
|
||||
if(return_state)
|
||||
{
|
||||
break;
|
||||
}
|
||||
wifi_spi_write(&head.command, sizeof(wifi_spi_head_struct), NULL, 0);
|
||||
}while(0);
|
||||
|
||||
return return_state;
|
||||
}
|
||||
|
||||
//-------------------------------------------------------------------------------------------------------------------
|
||||
// 函数简介 WIFI SPI UDP模式时立即发送函数
|
||||
// 参数说明 void
|
||||
// 返回参数 uint8 状态 0-成功 1-错误
|
||||
// 使用示例
|
||||
// 备注信息 在UDP模式下模块收到数据后会等待2毫秒，2毫秒后未收到数据则将数据通过socket发送到网络，如果希望立即发送则在数据传输完毕后调用此函数
|
||||
//-------------------------------------------------------------------------------------------------------------------
|
||||
uint8 wifi_spi_udp_send_now (void)
|
||||
{
|
||||
uint8 return_state = 1;
|
||||
wifi_spi_packets_struct temp_packets;
|
||||
|
||||
if(WIFI_SPI_IDLE == wifi_spi_mutex)
|
||||
{
|
||||
// 将通讯状态设置为忙
|
||||
wifi_spi_mutex = WIFI_SPI_BUSY;
|
||||
do
|
||||
{
|
||||
if(wifi_spi_wait_idle(OTHER_TIME_OUT))
|
||||
{
|
||||
break;
|
||||
}
|
||||
|
||||
// 立即开始socket发送
|
||||
temp_packets.head.command = WIFI_SPI_UDP_SEND;
|
||||
temp_packets.head.length = 0;
|
||||
wifi_spi_transfer_command(&temp_packets, WIFI_SPI_RECVIVE_SIZE);
|
||||
|
||||
// 检查收到的包中是否有数据
|
||||
if((WIFI_SPI_REPLY_DATA_START == temp_packets.head.command) || (WIFI_SPI_REPLY_DATA_END == temp_packets.head.command))
|
||||
{
|
||||
// 保存接收到的数据
|
||||
if(temp_packets.head.length)
|
||||
{
|
||||
fifo_write_buffer(&wifi_spi_fifo, temp_packets.buffer, temp_packets.head.length);
|
||||
}
|
||||
}
|
||||
|
||||
// 等待应答信号
|
||||
if(wifi_spi_wait_idle(OTHER_TIME_OUT))
|
||||
{
|
||||
break;
|
||||
}
|
||||
|
||||
// 接收应答信号
|
||||
temp_packets.head.command = WIFI_SPI_DATA;
|
||||
temp_packets.head.length = 0;
|
||||
wifi_spi_transfer_command(&temp_packets, temp_packets.head.length);
|
||||
|
||||
if(WIFI_SPI_REPLY_OK == temp_packets.head.command)
|
||||
{
|
||||
return_state = 0;
|
||||
}
|
||||
|
||||
}while(0);
|
||||
|
||||
// 将通讯状态设置为空闲
|
||||
wifi_spi_mutex = WIFI_SPI_IDLE;
|
||||
}
|
||||
|
||||
return return_state;
|
||||
}
|
||||
|
||||
//-------------------------------------------------------------------------------------------------------------------
|
||||
// 函数简介 WIFI SPI 数据块发送函数并同步接收数据
|
||||
// 参数说明 *buffer 需要发送的数据地址
|
||||
// 参数说明 length 发送长度
|
||||
// 返回参数 uint32 剩余未发送的长度
|
||||
// 使用示例 wifi_spi_send_buffer(buffer, 100);
|
||||
// 备注信息
|
||||
//-------------------------------------------------------------------------------------------------------------------
|
||||
uint32 wifi_spi_send_buffer (const uint8 *buffer, uint32 length)
|
||||
{
|
||||
uint16 send_length;
|
||||
wifi_spi_packets_struct temp_packets;
|
||||
|
||||
// 检查WIFI SPI状态，如果在其他中断或者线程中已经发起了通讯，则本次不能发送数据
|
||||
if(WIFI_SPI_IDLE == wifi_spi_mutex)
|
||||
{
|
||||
// 将通讯状态设置为忙
|
||||
wifi_spi_mutex = WIFI_SPI_BUSY;
|
||||
|
||||
while(length)
|
||||
{
|
||||
send_length = length > WIFI_SPI_TRANSFER_SIZE ? (uint16)WIFI_SPI_TRANSFER_SIZE : (uint16)length;
|
||||
|
||||
if(wifi_spi_wait_idle(OTHER_TIME_OUT))
|
||||
{
|
||||
break;
|
||||
}
|
||||
|
||||
wifi_spi_transfer_data(buffer, &temp_packets, send_length);
|
||||
|
||||
// 检查收到的包中是否有数据
|
||||
if((WIFI_SPI_REPLY_DATA_START == temp_packets.head.command) || (WIFI_SPI_REPLY_DATA_END == temp_packets.head.command))
|
||||
{
|
||||
// 保存接收到的数据
|
||||
if(temp_packets.head.length)
|
||||
{
|
||||
fifo_write_buffer(&wifi_spi_fifo, temp_packets.buffer, temp_packets.head.length);
|
||||
}
|
||||
}
|
||||
|
||||
length -= send_length;
|
||||
buffer += send_length;
|
||||
}
|
||||
|
||||
// 检查最后一次的接收是否将所有的数据都接收完毕
|
||||
while(WIFI_SPI_REPLY_DATA_START == temp_packets.head.command)
|
||||
{
|
||||
if(wifi_spi_wait_idle(OTHER_TIME_OUT))
|
||||
{
|
||||
break;
|
||||
}
|
||||
|
||||
// 继续读取模块剩余数据
|
||||
temp_packets.head.command = WIFI_SPI_DATA;
|
||||
temp_packets.head.length = 0;
|
||||
wifi_spi_transfer_command(&temp_packets, WIFI_SPI_RECVIVE_SIZE);
|
||||
// 检查收到的包中是否有数据
|
||||
if((WIFI_SPI_REPLY_DATA_START == temp_packets.head.command) || (WIFI_SPI_REPLY_DATA_END == temp_packets.head.command))
|
||||
{
|
||||
// 保存接收到的数据
|
||||
if(temp_packets.head.length)
|
||||
{
|
||||
fifo_write_buffer(&wifi_spi_fifo, temp_packets.buffer, temp_packets.head.length);
|
||||
}
|
||||
}
|
||||
}
|
||||
wifi_spi_mutex = WIFI_SPI_IDLE;
|
||||
}
|
||||
return length;
|
||||
}
|
||||
|
||||
//-------------------------------------------------------------------------------------------------------------------
|
||||
// 函数简介 WIFI SPI 读取缓冲区
|
||||
// 参数说明 *buffer 接收缓冲区
|
||||
// 参数说明 length 读取数据长度
|
||||
// 返回参数 uint32 实际读取数据长度
|
||||
// 使用示例 wifi_spi_read_buffer(buffer, 100);
|
||||
// 备注信息
|
||||
//-------------------------------------------------------------------------------------------------------------------
|
||||
uint32 wifi_spi_read_buffer (uint8 *buffer, uint32 length)
|
||||
{
|
||||
zf_assert(NULL != buffer);
|
||||
uint32 data_len = length;
|
||||
|
||||
#if(1 == WIFI_SPI_READ_TRANSFER)
|
||||
|
||||
wifi_spi_packets_struct temp_packets;
|
||||
// 检查WIFI SPI状态，如果在其他中断或者线程中已经发起了通讯，则本次不能发送数据
|
||||
if(WIFI_SPI_IDLE == wifi_spi_mutex)
|
||||
{
|
||||
// 将通讯状态设置为忙
|
||||
wifi_spi_mutex = WIFI_SPI_BUSY;
|
||||
|
||||
// 发起通讯查看模块内是否有数据未读取
|
||||
do
|
||||
{
|
||||
if(wifi_spi_wait_idle(OTHER_TIME_OUT))
|
||||
{
|
||||
break;
|
||||
}
|
||||
temp_packets.head.command = WIFI_SPI_DATA;
|
||||
temp_packets.head.length = 0;
|
||||
wifi_spi_transfer_command(&temp_packets, WIFI_SPI_RECVIVE_SIZE);
|
||||
// 检查收到的包中是否有数据
|
||||
if((WIFI_SPI_REPLY_DATA_START == temp_packets.head.command) || (WIFI_SPI_REPLY_DATA_END == temp_packets.head.command))
|
||||
{
|
||||
// 保存接收到的数据
|
||||
if(temp_packets.head.length)
|
||||
{
|
||||
fifo_write_buffer(&wifi_spi_fifo, temp_packets.buffer, temp_packets.head.length);
|
||||
}
|
||||
}
|
||||
}while(WIFI_SPI_REPLY_DATA_START == temp_packets.head.command);
|
||||
wifi_spi_mutex = WIFI_SPI_IDLE;
|
||||
}
|
||||
#endif
|
||||
|
||||
fifo_read_buffer(&wifi_spi_fifo, buffer, &data_len, FIFO_READ_AND_CLEAN);
|
||||
return data_len;
|
||||
}
|
||||
|
||||
//-------------------------------------------------------------------------------------------------------------------
|
||||
// 函数简介 WiFi 模块初始化
|
||||
// 参数说明 *wifi_ssid 目标连接的 WiFi 的名称 字符串形式
|
||||
// 参数说明 *pass_word 目标连接的 WiFi 的密码 字符串形式
|
||||
// 返回参数 uint8 模块初始化状态 0-成功 1-错误
|
||||
// 使用示例 wifi_spi_init("SEEKFREE", "SEEKFREE123");
|
||||
// 备注信息 wifi_spi_init("SEEKFREE", NULL); // 连接没有密码的WIFI热点
|
||||
//-------------------------------------------------------------------------------------------------------------------
|
||||
uint8 wifi_spi_init (char *wifi_ssid, char *pass_word)
|
||||
{
|
||||
uint8 return_state = 0;
|
||||
|
||||
fifo_init(&wifi_spi_fifo, FIFO_DATA_8BIT, wifi_spi_buffer, WIFI_SPI_RECVIVE_FIFO_SIZE);
|
||||
spi_init(WIFI_SPI_INDEX, SPI_MODE0, WIFI_SPI_SPEED, WIFI_SPI_SCK_PIN, WIFI_SPI_MOSI_PIN, WIFI_SPI_MISO_PIN, SPI_CS_NULL);//硬件SPI初始化
|
||||
gpio_init(WIFI_SPI_CS_PIN, GPO, 1, GPO_PUSH_PULL);
|
||||
gpio_init(WIFI_SPI_RST_PIN, GPO, 1, GPO_PUSH_PULL);
|
||||
gpio_init(WIFI_SPI_INT_PIN, GPI, 0, GPI_PULL_DOWN);
|
||||
|
||||
// 复位
|
||||
gpio_set_level(WIFI_SPI_RST_PIN, 0);
|
||||
system_delay_ms(10);
|
||||
gpio_set_level(WIFI_SPI_RST_PIN, 1);
|
||||
|
||||
// 等待模块初始化
|
||||
system_delay_ms(100);
|
||||
wifi_spi_mutex = WIFI_SPI_IDLE;
|
||||
|
||||
do
|
||||
{
|
||||
// 固件版本信息以字符串形式保存在wifi_spi_version数组中
|
||||
return_state = wifi_spi_get_version();
|
||||
if(return_state)
|
||||
{
|
||||
break;
|
||||
}
|
||||
|
||||
// MAC地址信息以字符串形式保存在wifi_spi_mac_addr数组中
|
||||
wifi_spi_get_mac_addr();
|
||||
|
||||
|
||||
return_state = wifi_spi_wifi_connect(wifi_ssid, pass_word);
|
||||
if(return_state)
|
||||
{
|
||||
break;
|
||||
}
|
||||
|
||||
#if(1 == WIFI_SPI_AUTO_CONNECT)
|
||||
return_state = wifi_spi_socket_connect("TCP", WIFI_SPI_TARGET_IP, WIFI_SPI_TARGET_PORT, WIFI_SPI_LOCAL_PORT);
|
||||
if(return_state)
|
||||
{
|
||||
break;
|
||||
}
|
||||
#endif
|
||||
|
||||
#if(2 == WIFI_SPI_AUTO_CONNECT)
|
||||
return_state = wifi_spi_socket_connect("UDP", WIFI_SPI_TARGET_IP, WIFI_SPI_TARGET_PORT, WIFI_SPI_LOCAL_PORT);
|
||||
if(return_state)
|
||||
{
|
||||
break;
|
||||
}
|
||||
#endif
|
||||
}while(0);
|
||||
|
||||
return return_state;
|
||||
}
|
||||
Reference in New Issue
Block a user