WIZnet W55MH32 多功能测试固件

本篇总结

W55MH32 作为 HTTP 服务器，通过网页配置界面实现外设控制、SD 卡读写、USB 串口通信及网络参数配置。

硬件平台：本例程基于 W55MH32L-EVB 开发板运行。

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W55MH32 中的 Web 实现

W55MH32 内部搭建轻量级 HTTP 服务器，静态网页以直接响应返回，LED 控制、网络配置等动态操作通过 CGI 响应处理，并借助 AJAX 与后端 CGI 接口交互实现数据实时更新和指令下发，让用户通过浏览器即可完成设备配置与功能测试。

wiz_NetInfo net_info;

/* hardware initialization */
rcc_clk_config();
delay_init();
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);
console_usart_init(115200);
usb_init();

delay_ms(200);
printf("%s factory firmware\r\n", _WIZCHIP_ID_);
tim3_init();
user_gpio_init();
i2c_CfgGpio();

MYI2C_Init(&SENx, 1000, 0x38);
/* wiztoe init */
wiz_toe_init();
#if DEFAULT_MAC_EN == 1
getSHAR(default_net_info.mac);
#endif

wiz_phy_link_check();
check_eeprom_network_info(&default_net_info);
network_init(ethernet_buf, &default_net_info);

wizchip_getnetinfo(&net_info);

uint8_t check_eeprom_network_info(wiz_NetInfo *net_info)
{
  wiz_NetInfo eeprom_net_info = {0};

  if (ee_CheckDevice(EEPROM_DEV_ADDR) == 1)
  {
      printf("No serial EEPROM detected!\r\n");
      return 0;
  }
  ee_ReadBytes((uint8_t *)&eeprom_net_info, 0, sizeof(eeprom_net_info));
  if (eeprom_net_info.mac[0] == 0x00 && eeprom_net_info.mac[1] == 0x08 && eeprom_net_info.mac[2] == 0xdc)
  {
      memcpy(net_info, &eeprom_net_info, sizeof(wiz_NetInfo));
      return 1;
  }
  return 0;
}

reg_httpServer_webContent((uint8_t *)"index.html", (uint8_t *)HTML_PAGE);
httpServer_init(http_tx_ethernet_buf, http_rx_ethernet_buf, _WIZCHIP_SOCK_NUM_, socknumlist);

void TIM3_IRQHandler(void)
{
    static uint32_t tim3_1ms_count   = 0;
    static uint8_t  tim3_100ms_count = 0;
    if (TIM_GetITStatus(TIM3, TIM_IT_Update) != RESET)
    {
        tim3_1ms_count++;
        tim3_100ms_count++;
        btn_timer_cnt++;
        if (btn_timer_flag && btn_timer_cnt >= 20)
        {
            btn_timer_flag = 0;
            if ((GPIO_ReadInputDataBit(GPIOG, GPIO_Pin_6) == RESET))
            {
                btn_cnt++;
            }
        }
        if (tim3_100ms_count >= 100)
        {
            tim3_100ms_count = 0;
            MYI2C_Handle(&SENx);
        }
        if (tim3_1ms_count >= 1000)
        {
            DHCP_time_handler();
            httpServer_time_handler();
            tim3_1ms_count = 0;
        }
        TIM_ClearITPendingBit(TIM3, TIM_IT_Update);
    }
}

while (1)
{
    httpServer_run(SOCKET_ID);
    if (reboot_flag)
    {
        NVIC_SystemReset();
    }
    usb_run();
}

void usb_run(void)
{
    uint16_t len;
    if (usbstatus != bDeviceState)
    {
        usbstatus = bDeviceState;
        if (usbstatus == CONFIGURED)
        {
            usb_conn_flag = 1;
            printf("USB connected\r\n");
        }
        else
        {
            usb_conn_flag = 0;
            printf("USB disconnected\r\n");
        }
    }
    if (USB_USART_RX_STA & 0x8000)
    {
        len = USB_USART_RX_STA & 0x3FFF;
        strncpy((char *)(usb_data[data_cnt]), (char *)USB_USART_RX_BUF, len);
        usb_printf("Tx->:%s\r\n", usb_data[data_cnt]);
        USB_USART_RX_STA = 0;
        if (data_cnt < 18)
        {
            data_cnt++;
        }
        else
        {
            data_cnt = 0;
        }
    }
}

uint8_t predefined_set_cgi_processor(uint8_t *uri_name, uint8_t *uri, uint8_t *buf, uint16_t *len)
{
    uint8_t ret = 1;

    if (strcmp((const char *)uri_name, "set_io_state.cgi") == 0)
    {
        uint8_t *param;
        uint8_t  name[10];
        uint8_t  val;
        param = get_http_param_value((char *)uri, "name");
        if (param)
        {
            strcpy((char *)name, (char *)param);
            param = get_http_param_value((char *)uri, "val");
            if (param) val = (uint8_t)ATOI(param, 10);

            if (strcmp((char *)name, "led") == 0)
            { if (val == 1) led_on(); else led_off(); }
            if (strcmp((char *)name, "beep") == 0)
            { if (val == 1) beep_on(); else beep_off(); }
        }
        *len = sprintf((char *)buf, "console.log('%s is %s');", name, val ? "on" : "off");
    }
    else if (strcmp((const char *)uri_name, "set_netinfo.cgi") == 0)
    {
        set_netinfo(uri, buf, len);
    }
    else if (strcmp((const char *)uri_name, "web_send_usb_data.cgi") == 0)
    {
        uint8_t *param;
        if (usb_conn_flag)
        {
            param = get_http_param_value((char *)uri, "data");
            if (param)
            {
                *len = sprintf((char *)buf, "$('usb-textbox').value='Tx->:'+$('usb-input').value+'\\n'+$('usb-textbox').value;");
                usb_printf("Rx->:%s\r\n", param);
            }
        }
        else
        {
            *len = sprintf((char *)buf, "alert('USB未连接');");
        }
    }
    else if (strcmp((const char *)uri_name, "put_sd.cgi") == 0)
    {
        uint8_t  filename[255];
        uint16_t filelen;
        uint8_t *param;
        param = get_http_param_value((char *)uri, "filename");
        if (param) strcpy((char *)filename, (char *)param);
        param = get_http_param_value((char *)uri, "filelen");
        if (param) filelen = ATOI(param, 10);
        param = get_http_param_value((char *)uri, "filedata");
        if (put_sd(filename, param, filelen))
            *len = sprintf((char *)buf, "alert('存储成功');readContent();");
        else
            *len = sprintf((char *)buf, "alert('存储文件失败！请检查SD卡是否正确插入！')");
    }
    else
    {
        ret = 0;
    }
    return ret;
}

uint8_t predefined_get_cgi_processor(uint8_t *uri_name, uint8_t *buf, uint16_t *len)
{
    uint8_t ret = 1;

    if (strcmp((const char *)uri_name, "check_eeprom.cgi") == 0)
    {
        if (ee_Test())
            *len = sprintf((char *)buf, "alert('eeprom测试通过!');");
        else
            *len = sprintf((char *)buf, "alert('eeprom测试失败!');");
    }
    else if (strcmp((const char *)uri_name, "get_netinfo.cgi") == 0)
    {
        make_json_netinfo(buf, len);
    }
    else if (strcmp((const char *)uri_name, "get_update_page.cgi") == 0)
    {
        make_json_update_page(buf, len);
    }
    else if (strcmp((const char *)uri_name, "get_sd.cgi") == 0)
    {
        uint8_t temp[255] = {0};
        uint8_t i;
        if (get_sd_filename() == 0)
        {
            *len = sprintf((char *)buf, "alert('SD卡未插入或识别异常!');");
        }
        else
        {
            memset(send_data, 0, sizeof(send_data));
            for (i = 0; i < file_cnt; i++)
            {
                sprintf((char *)temp, "%s\\n", file_name[i]);
                strcat((char *)send_data, (char *)temp);
            }
            *len = sprintf((char *)buf, "$('sd-textbox').value=\"%s\";", send_data);
            memset(send_data, 0, sizeof(send_data));
            memset(file_name, 0, sizeof(file_name));
            file_cnt = 0;
        }
    }
    else
    {
        ret = 0;
    }
    return ret;
}

if (reboot_flag)
{
    NVIC_SystemReset();
}