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- /* 连接到FTP服务器 ,从FTP服务器中下载文件,下载逻辑 */
- /* includes ----------------------------------------------------------*/
- #include "EC800_FTP_OTA.h"
- /* typedef -----------------------------------------------------------*/
- typedef struct{
- const char *account; // 用户名
- const char *passWord; // 密码
- uint8_t fileType; // 文件类型 1;ASCII
- uint8_t transmode; // 传输模式 1:被动
- uint8_t rsptimeout; // 最大响应时间 90
- const char * ftpAddr; // ftp服务器地址
- uint16_t ftpPort; // ftp服务器端口
-
- const char * textDirectory; // 下载文件的文件所在目录
- const char *textName; // 下载文件的文件名称
- uint32_t filesize; // 下载的文件大小
- uint32_t startAddr; // 下载文件的起始字节
- uint32_t byteNum; // 一次获取的字节个数
- }ftpInfo;
- ftpInfo s_ftpInfo = {
- .account = "cdzupdate",
- .passWord = "cdz2021!Z",
- .fileType = 1,
- .transmode = 1,
- .rsptimeout = 90,
-
- .ftpAddr = "39.98.211.244",
- .ftpPort = 21,
- .textDirectory = "/data/cdz",
- .textName = "centralCtrSys.bin",
- };
- /* define ------------------------------------------------------------*/
- // 登陆到FTP服务器
- // 第一步:配置和激活 PDP 上下文
- #define AT_QIACT_1 "AT+QIACT=1\r\n" // 激活 PDP 上下文 1
- #define AT_QIACT_query "AT+QIACT?\r\n" // 查询 PDP 上下文状态
- #define AT_QFTPCFG_ID_1 "AT+QFTPCFG=\"contextid\",1\r\n" // 查询 PDP 上下文状态
- // 第二步: 配置用户账号和传输设置
- #define AT_QFTPCFG_ACCOUNT "AT+QFTPCFG=\"account\",\"%s\",\"%s\"\r\n" // 设置用户名和密码。
- #define AT_QFTPCFG_FILE(fileType) "AT+QFTPCFG=\"filetype\"," #fileType "\r\n" // 设置文件类型为ASCII AT+QFTPCFG="filetype",1
- #define AT_QFTPCFG_TRANS(mode) "AT+QFTPCFG=\"transmode\"," #mode "\r\n" // 设置为被动传输方式AT+QFTPCFG="transmode",1
- #define AT_QFTPCFG_TIMEOUT(time) "AT+QFTPCFG=\"rsptimeout\"," #time "\r\n" // 设置最大响应时间(默认为90秒)
- //第三步:登录FTP服务器。
- #define AT_QFTPOPEN(addr,port) "AT+QFTPOPEN=\"" #addr "\"," #port "\r\n" // 登录FTP服务器。
- // 从FTP服务器下载文件 本项目文件较小,选择直接通过COM口输出下载数据
- #define AT_QFTPCWD(directory) "AT+QFTPCWD=\"" #directory "\"\r\n" // 设置当前目录。
- #define AT_QFTPSIZE(textName) "AT+QFTPSIZE=\"" #textName "\"\r\n" // 查询 FTP(S)服务器 test_my1.txt 文件大小
- #define AT_QFTPGET(textName, startByte, downloadNum) \
- "AT+QFTPGET=\"" #textName "\",\"COM:\"," #startByte "," #downloadNum "\r\n" // 下载文件, 通过COM口输出特定字段的数据
- // AT指令响应超时时间定义
- #define REC_TIMEOUT (10000) // 1ms
- /* macro -------------------------------------------------------------*/
- /* variables ---------------------------------------------------------*/
- /* function prototypes -----------------------------------------------*/
- int findSubstring(const char* haystack, const char* needle) {
- // 如果needle是空字符串,我们定义它总是在haystack中找到,位置为0
- if (!needle[0]) {
- return 0;
- }
- for (int i = 0; haystack[i] != '\0'; ++i) {
- // 当发现第一个字符匹配时,开始查找整个needle
- if (haystack[i] == needle[0]) {
- int j = 0;
- // 检查整个needle是否匹配
- while (needle[j] != '\0' && haystack[i + j] == needle[j]) {
- j++;
- }
- // 如果needle到达了字符串的末尾,我们找到了完整的匹配
- if (needle[j] == '\0') {
- return i; // 返回needle在haystack中开始的位置
- }
- // 否则,继续从haystack的下一个字符开始查找
- }
- }
- // 如果未找到匹配,返回-1
- return -1;
- }
- uint8_t Accept_and_Compare_Str(const char* needle){
- uint8_t temp = 0;
- static uint16_t timeOutCnt = 0; // 超时计数
- char buff[USART3_REC_LEN] = {0};
- while(!temp) {
- memcpy(buff, g_usart3_rx_buf, USART3_REC_LEN);
- HAL_UART_Receive_DMA(&huart3, (uint8_t*)g_usart3_rx_buf, USART3_REC_LEN); //设置接收缓冲区
- __HAL_UART_ENABLE_IT(&huart3, UART_IT_IDLE);
-
- if(strstr(g_usart3_rx_buf, needle)){
- temp = 1;
- }
- if(strstr(g_usart3_rx_buf, "ERROR")){
- temp = 2;
- }
- if(timeOutCnt < REC_TIMEOUT){
- timeOutCnt++;
- }else{
- timeOutCnt = 0;
- temp = 3;
- }
- osDelay(1);
- };
- g_usart3_rx_sta = 0;
- HAL_UART_DMAStop(&huart3);
- __HAL_UART_DISABLE_IT(&huart3, UART_IT_IDLE);
- return temp;
- }
- /* 1.登陆到FTP服务器--------------------------------------------------------*/
- static uint8_t logIn_step = 0;
- /**
- * @brief 通过EC800登录FTP
- * @param NONE
- * @note NONE
- * @retval 无
- */
- void EC800_LogIn_FTP(void){
- char* found = NULL;
- uint8_t errorCnt = 0; // 错误计数
- ftpInfo *p_ftpInfo = &s_ftpInfo;
- char atCmd[100] = {0}; // 静态缓冲区用于存放AT命令
- p_ftpInfo->fileType = p_ftpInfo->fileType; // 避免报警告
- switch(logIn_step){
- case 0: // 配置和激活 PDP 上下文
- // EC800M_SendCommand(AT_QIACT_1);
- //
- // found = EC800M_RecRespond(g_usart3_rx_buf, AT_RESP_OK);
- //
- // if (found != NULL) {
- // printf("Activation successful\r\n");
- // }else{
- // errorCnt++;
- // printf("Activation unsuccessful\r\n");
- // }
- EC800M_SendCommand(AT_QIACT_query);
- found = EC800M_RecRespond(g_usart3_rx_buf, AT_RESP_OK);
- if (found != NULL) {
- printf("PDP Context Status OK\r\n");
- }else{
- errorCnt++;
- printf("PDP Context Status error\r\n");
- }
- EC800M_SendCommand(AT_QFTPCFG_ID_1);
-
- found = EC800M_RecRespond(g_usart3_rx_buf, AT_RESP_OK);
- if (found != NULL) {
- printf("Set PDP context to 1.\r\n");
- }else{
- errorCnt++;
- printf("ERROR! Set PDP context to 1.\r\n");
- }
- if(errorCnt == 0){
- logIn_step = 1;
- }
- break;
- case 1: // 配置用户账号和传输设置
- snprintf(atCmd, sizeof(atCmd), "AT+QFTPCFG=\"account\",\"%s\",\"%s\"\r\n", p_ftpInfo->account, p_ftpInfo->passWord);
- EC800M_SendCommand(atCmd);
-
- found = EC800M_RecRespond(g_usart3_rx_buf, AT_RESP_OK);
- if (found != NULL) {
- printf("FINISH! Set username and password.\r\n");
- }else{
- errorCnt++;
- printf("ERROR! Set username and password.\r\n");
- }
- snprintf(atCmd, sizeof(atCmd), "AT+QFTPCFG=\"filetype\",%d\r\n", p_ftpInfo->fileType);
- EC800M_SendCommand(atCmd);
-
- found = EC800M_RecRespond(g_usart3_rx_buf, AT_RESP_OK);
- if (found != NULL) {
- printf("FINISH! Set username and password.\r\n");
- }else{
- errorCnt++;
- printf("ERROR! Set username and password.\r\n");
- }
- snprintf(atCmd, sizeof(atCmd), "AT+QFTPCFG=\"transmode\",%d\r\n", p_ftpInfo->transmode);
- EC800M_SendCommand(atCmd);
-
- found = EC800M_RecRespond(g_usart3_rx_buf, AT_RESP_OK);
- if (found != NULL) {
- printf("FINISH! Set to passive transfer mode.\r\n");
- }else{
- errorCnt++;
- printf("ERROR! Set to passive transfer mode.\r\n");
- }
- snprintf(atCmd, sizeof(atCmd), "AT+QFTPCFG=\"rsptimeout\",%d\r\n", p_ftpInfo->rsptimeout);
- EC800M_SendCommand(atCmd);
-
- found = EC800M_RecRespond(g_usart3_rx_buf, AT_RESP_OK);
- if (found != NULL) {
- printf("FINISH! Set username and password.\r\n");
- }else{
- errorCnt++;
- printf("ERROR! Set username and password.\r\n");
- }
- if(errorCnt == 0){
- logIn_step = 2;
- }
- break;
- case 2: // 登录FTP服务器。
- snprintf(atCmd, sizeof(atCmd), "AT+QFTPOPEN=\"%s\",%d\r\n", p_ftpInfo->ftpAddr, p_ftpInfo->ftpPort);
- EC800M_SendCommand(atCmd);
-
- // EC800_recEnable(); // 开始接收数据
- errorCnt = Accept_and_Compare_Str("+QFTPOPEN: 0,0");
- if(errorCnt == 1){
- errorCnt = 0;
- printf("FINISH! Log in to the FTP server.\r\n");
- }else{
- printf("ERROR! Log in to the FTP server.\r\n");
- }
- if(errorCnt == 0){
- logIn_step = 3;
- }
- break;
- default :
- break;
- }
-
- }
- /* 2.从FTP服务器上下载文件--------------------------------------------------------*/
- //int extract_data(const char* input, char* output, size_t output_size) {
- // const char* start_marker = "CONNECT\r\n";
- // const char* end_marker = "\r\nOK";
- // const char* start;
- // const char* end;
- //
- // // 寻找开始标记
- // start = strstr(input, start_marker);
- // if (start == NULL) {
- // return HAL_ERROR;
- // }
- //
- // // 移动指针越过开始标记
- // start += strlen(start_marker);
- //
- // // 寻找结束标记
- // end = strstr(start, end_marker);
- // if (end == NULL) {
- // return HAL_ERROR;
- // }
- //
- // // 计算要提取数据的长度
- // size_t data_length = end - start;
- // if (data_length >= output_size) { // 确保输出缓冲区能够存放提取的数据
- // return HAL_ERROR;
- // }
- //
- // // 提取数据
- // memcpy(output, start, data_length);
- //
- // // 在输出字符串最后添加一个null终止符
- // output[data_length] = '\0';
- //
- // return HAL_OK;
- //}
- /**
- * @brief 剔除除去固件的其他的数据
- * @param NONE
- * @note NONE
- * @retval 无
- */
- int extract_data_as_uint32(const char* input, uint32_t* output, size_t output_size) {
- const char* start_marker = "CONNECT\r\n";
- const char* end_marker = "\r\nOK";
- const char* start;
- const char* end;
- // 寻找开始标记
- // start = strstr(input, start_marker);
- start = input;
- if (start == NULL) {
- return HAL_ERROR;
- }
- // 移动指针越过开始标记
- // start += strlen(start_marker);
- // 寻找结束标记
- end = strstr(start, end_marker);
- if (end == NULL) {
- return HAL_ERROR;
- }
- // 计算要提取数据的长度
- size_t data_length = end - start;
- // 确保提取的数据长度为4的倍数,适用于 uint32_t
- if (data_length % sizeof(uint32_t) != 0) {
- return HAL_ERROR;
- }
- // 计算 uint32_t 的数量
- size_t data_length_uint32 = data_length / sizeof(uint32_t);
- if (data_length_uint32 > output_size) { // 确保输出缓冲区能够存放提取的数据
- return HAL_ERROR;
- }
- // 提取数据并转换为 uint32_t 数组
- memcpy(output, start, data_length_uint32 * sizeof(uint32_t));
-
- return HAL_OK;
- }
- uint32_t totalBytesReceived = 0;
- uint32_t currentFlashAddress = APP1_ADDRESS;
- /**
- * @brief 更新固件
- * @param NONE
- * @note NONE
- * @retval 无
- */
- void UpdateFirmware(void) {
- ftpInfo *p_ftpInfo = &s_ftpInfo;
- uint32_t buffer[FLASH_PAGE_SIZE / sizeof(uint32_t)]; // 2KB缓冲区
- uint8_t returnTemp = 0; // 用于接收返回值的临时变量
- char atCmd[100] = {0}; // 静态缓冲区用于存放AT命令
- if (totalBytesReceived < (p_ftpInfo->filesize)) {
- // 计算剩余要接收的字节数
- uint32_t remaining = (p_ftpInfo->filesize) - totalBytesReceived;
- uint32_t bytesToRead = remaining < 100 ? remaining : 100;
- p_ftpInfo->startAddr = totalBytesReceived;
- p_ftpInfo->byteNum = bytesToRead; //
- // 发送AT指令以开始接收
- snprintf(atCmd, sizeof(atCmd), "AT+QFTPGET=\"%s\",\"COM:\",%u,%u\r\n", p_ftpInfo->textName, p_ftpInfo->startAddr, p_ftpInfo->byteNum);
- EC800M_SendCommand(atCmd);
- returnTemp = Accept_and_Compare_Str("+QFTPGET: 0,"); // 开始接收数据
- if((returnTemp == 1) || (returnTemp == 3)){ // 接收成功
- // 接收数据处理到buffer 剔除除去固件的其他的数据
- returnTemp = extract_data_as_uint32(g_usart3_rx_buf, buffer, FLASH_PAGE_SIZE / sizeof(uint32_t));
- if(returnTemp != HAL_OK){
- printf("ERROR! UpdateFirmware_extract_data\n");
- return;
- }
- }else{
- return;
- }
- // 将接收到的数据写入Flash
- // if (FLASH_Write(currentFlashAddress, buffer, FLASH_PAGE_SIZE / sizeof(uint32_t)) != HAL_OK) {
- // // 错误处理
- // printf("ERROR! UpdateFirmware_FLASH_Write\n");
- // return;
- // }
- // 更新地址和接收统计
- currentFlashAddress += FLASH_PAGE_SIZE;
- totalBytesReceived += bytesToRead;
- }
- // 根据实际情况实现接收完成后的操作
- }
- uint8_t downloadStep = 0;
- /**
- * @brief FTP服务器上下载文件
- * @param NONE
- * @note 每一个任务周期过来下载2k的数据,以保证其他任务的正常运行
- * @retval 无
- */
- void EC800_FTP_DownloadText(void){
- uint8_t errorCnt = 0; // 错误计数
- ftpInfo *p_ftpInfo = &s_ftpInfo;
- char atCmd[100] = {0}; // 静态缓冲区用于存放AT命令
- switch(downloadStep){
- case 0: // 设置文件目录
- snprintf(atCmd, sizeof(atCmd), "AT+QFTPCWD=\"%s\"\r\n", p_ftpInfo->textDirectory);
- EC800M_SendCommand(atCmd);
-
- errorCnt = Accept_and_Compare_Str("+QFTPCWD: 0,0");
- if (errorCnt == 1) {
- errorCnt = 0;
- printf("FINISH! Set the file directory.\r\n");
- }else{
- printf("ERROR! Set the file directory.\r\n");
- }
- if(errorCnt == 0){
- downloadStep = 1;
- }
- break;
- case 1: // 获取文件长度
- snprintf(atCmd, sizeof(atCmd), "AT+QFTPSIZE=\"%s\"\r\n", p_ftpInfo->textName);
- EC800M_SendCommand(atCmd);
-
- errorCnt = Accept_and_Compare_Str("+QFTPSIZE: 0,");
- if (errorCnt == 1) {
- errorCnt = 0;
- printf("FINISH! Get the length of the file.\r\n");
- // 使用sscanf从字符串中解析整数
- if(sscanf(g_usart3_rx_buf, "\r\n+QFTPSIZE: %*d,%u", &(p_ftpInfo->filesize)) == 1) {
- // 解析成功,filesize变量现在包含值1000
- printf("The filesize is: %u\n", p_ftpInfo->filesize);
- } else {
- // 解析失败
- errorCnt++;
- printf("Failed to parse the filesize.\n");
- }
- }else{
- printf("ERROR! Get the length of the file.\r\n");
- }
- if(errorCnt == 0){
- downloadStep = 2;
- }
- break;
- case 2:
- UpdateFirmware();
- break;
- default :
- break;
- }
- }
- /* 3. OTA升级从FTP流程--------------------------------------------------------*/
- uint8_t upgradeStep = 0;
- /**
- * @brief OTA升级从FTP
- * @param NONE
- * @note NONE
- * @retval 无
- */
- void EC800_FTP_OTA_Upgrade(void){
- switch (upgradeStep){
- case 0: // 登陆到FTP服务器
- EC800_LogIn_FTP();
- if(logIn_step == 3){
- upgradeStep = 1;
- }
- break;
- case 1: // 从FTP服务器上下载文件
- EC800_FTP_DownloadText();
- break;
- case 2: // 复位升级
- HAL_NVIC_SystemReset();
- break;
- default:
- break;
- }
- }
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