stm32F407学习之19：HTTP客户端（IAP）
最近打算写个HTTP下载程序的功能。 直接上代码
一、编写HTTP客户端
httpclient.h
#ifndef __HTTP_CLIENT_H__
#define __HTTP_CLIENT_H__
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
#include "stm32f4xx.h"
#include "board.h"
#include "rtx_os.h"
#include "lwip/init.h"
#include "lwip/netif.h"
#include "lwip/tcp.h"
#include "lwip/err.h"
#include "lwip/inet.h"
#include "lwip/dns.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
// 回调函数类型定义
typedef void (*http_data_callback_t)(const uint8_t *data, size_t len, void *user_data);
// HTTP客户端状态
typedef enum {
DOWNLOAD_STATE_IDLE, // 空闲状态
DOWNLOAD_STATE_STARTING, // 开始下载
DOWNLOAD_STATE_DOWNLOADING, // 正在下载
DOWNLOAD_STATE_COMPLETED, // 下载完成
DOWNLOAD_STATE_ERROR, // 发生错误
DOWNLOAD_STATE_FINISHED // 升级结束
} download_state_t;
typedef struct {
http_data_callback_t data_callback;
void *user_data;
size_t total_len; // 总数据长度
size_t received_len; // 已接收的数据长度
int is_header_received; // 是否已经接收完HTTP头
int is_error_occurred; // 是否发生错误
char *error_message; // 错误信息
char *file; //待下载的文件
download_state_t state; // 当前下载状态
char is_chunked; //支持分段
} http_client_state_t;
// 初始化HTTP客户端
void http_client_init(http_client_state_t *state);
// 下载文件
err_t http_client_download(const char *server_ip, uint16_t port) ;
// 获取当前下载状态
download_state_t http_client_get_state(void);
// 获取错误信息
const char* http_client_get_error_message(void);
static void *memmem(const void *haystack, size_t haystack_len, const void *needle, size_t needle_len) {
if (needle_len == 0) {
return (void *)haystack;
}
const unsigned char *h = (const unsigned char *)haystack;
const unsigned char *n = (const unsigned char *)needle;
for (size_t i = 0; i <= haystack_len - needle_len; ++i) {
if (memcmp(h + i, n, needle_len) == 0) {
return (void *)(h + i);
}
}
return NULL;
}
#ifdef __cplusplus
}
#endif
#endif
httpclient.c
#include "httpclient.h"
#include "lwip_client.h"
#include "rlog.h"
#define SERVER_PORT 80 // 服务器端口号
http_client_state_t client_state = {
.data_callback = NULL,
.user_data = NULL,
.total_len = 0,
.received_len = 0,
.is_header_received = 0,
.is_error_occurred = 0,
.error_message = NULL,
.file = NULL,
.state = DOWNLOAD_STATE_IDLE,
.is_chunked = 0
};
void tcp_dw_err(void *arg, err_t err) {
RLOG_ERROR("TCP error: %d\n", err);
client_state.is_error_occurred = 1;
client_state.error_message = "TCP connection error";
client_state.state = DOWNLOAD_STATE_ERROR;
}
err_t tcp_connected(void *arg, struct tcp_pcb *tpcb, err_t err) {
RLOG_DEBUG("TCP connected\n");
if (err == ERR_OK) {
RLOG_DEBUG("TCP connected\n");
client_state.state = DOWNLOAD_STATE_DOWNLOADING;
char *request = "GET ";
char *file_path = (char *)arg;
char *request_end = " HTTP/1.1\r\nHost: ";
char *host = "192.168.1.104"; // 这里假设服务器IP是固定的，可以根据需要动态设置
char *full_request = malloc(strlen(request) + strlen(file_path) + strlen(request_end) + strlen(host) + 1);
if (full_request) {
sprintf(full_request, "%s%s%s%s\r\n\r\n", request, file_path, request_end, host);
tcp_write(tpcb, full_request, strlen(full_request), TCP_WRITE_FLAG_COPY);
RLOG_DEBUG("%s\r\n", full_request);
free(full_request);
}
tcp_output(tpcb);
} else {
RLOG_DEBUG("Failed to connect to server: %d\n", err);
client_state.is_error_occurred = 1;
client_state.error_message = "Failed to connect to server";
client_state.state = DOWNLOAD_STATE_ERROR;
}
return err;
}
err_t tcp_dw_recv(void *arg, struct tcp_pcb *tpcb, struct pbuf *p, err_t err) {
if (err == ERR_OK) {
if (p != NULL) {
RLOG_DEBUG("Received %d bytes\n", p->len);
// 处理 HTTP 响应头
if (!client_state.is_header_received) {
char *header_end = memmem(p->payload, p->len, "\r\n\r\n", 4);
if (header_end) {
// 找到响应头结束标志
header_end += 4; // 跳过 "\r\n\r\n"
int header_len = header_end - (char *)p->payload;
// 检查状态码
char *status_code = memmem(p->payload, header_len, "HTTP/1.1 200 OK", 15);
if(!status_code) status_code = memmem(p->payload, header_len, "HTTP/1.0 200 OK", 15);
if (status_code) {
RLOG_DEBUG("HTTP 200 OK received\n");
client_state.is_header_received = 1;
// 解析 Content-Length
char *content_length = memmem(p->payload, header_len, "Content-Length: ", 16);
if (content_length) {
content_length += 16; // 跳过 "Content-Length: "
char *end = memchr(content_length, '\r', header_len - (content_length - (char *)p->payload));
if (end) {
*end = '\0'; // 终止字符串
client_state.total_len = atoi(content_length);
RLOG_DEBUG("Content-Length: %d\n", client_state.total_len);
}
}
// 检查是否使用分块传输编码
char *transfer_encoding = memmem(p->payload, header_len, "Transfer-Encoding: chunked", 26);
if (transfer_encoding) {
client_state.is_chunked = 1;
RLOG_DEBUG("Chunked Transfer Encoding detected\n");
}
// 调用回调函数处理剩余数据
if (client_state.data_callback) {
client_state.data_callback(header_end, p->len - header_len, client_state.user_data);
}
client_state.received_len += p->len - header_len;
} else {
RLOG_DEBUG("HTTP status code is not 200 OK\n");
client_state.is_error_occurred = 1;
client_state.error_message = "HTTP status code is not 200 OK";
client_state.state = DOWNLOAD_STATE_ERROR;
tcp_close(tpcb);
pbuf_free(p);
return ERR_OK;
}
} else {
RLOG_DEBUG("HTTP header not complete yet\n");
// 如果响应头不完整，继续接收
tcp_output(tpcb);
pbuf_free(p);
return ERR_OK;
}
} else {
// 已经处理过响应头，直接处理数据
if (client_state.is_chunked) {
// 处理分块数据
char *chunk_size_str = memmem(p->payload, p->len, "\r\n", 2);
if (chunk_size_str) {
chunk_size_str += 2; // 跳过 "\r\n"
int chunk_size = strtol(chunk_size_str, NULL, 16);
if (chunk_size > 0) {
// 处理当前块
char *chunk_data = memmem(p->payload, p->len, "\r\n", 2) + 2;
if (client_state.data_callback) {
client_state.data_callback(chunk_data, chunk_size, client_state.user_data);
}
client_state.received_len += chunk_size;
} else {
// 最后一个块，接收完成
client_state.state = DOWNLOAD_STATE_COMPLETED;
RLOG_DEBUG("File downloaded successfully. Total received: %d bytes\n", client_state.received_len);
tcp_close(tpcb);
}
}
} else {
// 不是分块传输，直接处理数据
if (client_state.data_callback) {
client_state.data_callback(p->payload, p->len, client_state.user_data);
}
client_state.received_len += p->len;
}
}
tcp_recved(tpcb, p->len);
pbuf_free(p);
RLOG_DEBUG("File downloaded successfully. current received: %d bytes\n", client_state.received_len);
// 检查是否接收完整个文件
if (client_state.received_len >= client_state.total_len) {
client_state.state = DOWNLOAD_STATE_COMPLETED;
RLOG_DEBUG("File downloaded successfully. Total received: %d bytes\n", client_state.received_len);
tcp_close(tpcb);
} else {
// 继续接收
tcp_output(tpcb);
}
} else {
// 数据接收完成
if (client_state.received_len == client_state.total_len) {
client_state.state = DOWNLOAD_STATE_COMPLETED;
RLOG_DEBUG("File downloaded successfully. Total received: %d bytes\n", client_state.received_len);
} else {
client_state.is_error_occurred = 1;
client_state.error_message = "Incomplete file received";
client_state.state = DOWNLOAD_STATE_ERROR;
RLOG_DEBUG("Incomplete file received. Total received: %d bytes\n", client_state.received_len);
}
tcp_close(tpcb);
}
} else {
RLOG_DEBUG("Error in data receive: %d\n", err);
client_state.is_error_occurred = 1;
client_state.error_message = "Error in data receive";
client_state.state = DOWNLOAD_STATE_ERROR;
tcp_close(tpcb);
}
return err;
}
err_t tcp_dw_sent(void *arg, struct tcp_pcb *tpcb, u16_t len) {
err_t err = ERR_OK;
if (err != ERR_OK) {
RLOG_DEBUG("Error in data send: %d\n", err);
client_state.is_error_occurred = 1;
client_state.error_message = "Error in data send";
client_state.state = DOWNLOAD_STATE_ERROR;
tcp_close(tpcb);
}
return err;
}
err_t tcp_dw_poll(void *arg, struct tcp_pcb *tpcb) {
if (client_state.is_error_occurred) {
RLOG_DEBUG("Error occurred: %s\n", client_state.error_message);
tcp_close(tpcb);
}
return ERR_OK;
}
void http_client_init(http_client_state_t *state) {
memcpy(&client_state, state, sizeof(http_client_state_t));
}
err_t http_client_download(const char *server_ip, uint16_t port) {
struct tcp_pcb *pcb = NULL;
struct ip_addr server_ip_addr;
pcb = tcp_new();
if (pcb == NULL) {
client_state.state = DOWNLOAD_STATE_ERROR;
client_state.error_message = "Failed to create TCP PCB";
return ERR_ARG;
}
if (strcmp(server_ip,"default") == 0) {
IP4_ADDR(&server_ip_addr, 192, 168, 1, 104);
} else {
tcp_close(pcb);
return ERR_ARG;
}
err_t err = tcp_connect(pcb, &server_ip_addr, port, tcp_connected);
if (err != ERR_OK) {
client_state.state = DOWNLOAD_STATE_ERROR;
client_state.error_message = "Failed to connect to server";
tcp_close(pcb);
return ERR_CONN;
}
tcp_arg(pcb, (void *)client_state.file);
tcp_err(pcb, tcp_dw_err);
tcp_recv(pcb, tcp_dw_recv);
tcp_sent(pcb, tcp_dw_sent);
tcp_poll(pcb, tcp_dw_poll, 1);
return err;
}
download_state_t http_client_get_state(void) {
return client_state.state;
}
const char* http_client_get_error_message(void) {
return client_state.error_message;
}
upg_task.h
#ifndef __UPG_TASK_H__
#define __UPG_TASK_H__
#ifdef __cplusplus
extern "C" {
#endif
#include "stm32f4xx.h"
#include "board.h"
#include "rtx_os.h"
void upg_task_create(void);
#ifdef __cplusplus
}
#endif
#endif
upg_task.c
#include <stdio.h>
#include "rtx_os.h"
#include "board.h"
#include "upg_task.h"
#include "httpclient.h"
#include "appflash.h"
#include "rlog.h"
// 状态机状态
typedef enum {
UPG_STATE_INIT,
UPG_STATE_DOWNLOAD,
UPG_STATE_WAIT,
UPG_STATE_CHECK,
UPG_STATE_WRITE,
UPG_STATE_ERROR,
UPG_STATE_FINISHED,
} upg_state_t;
static uint32_t file_length = 0;
static uint32_t lootcnt = 0;
// 回调函数示例
void savedata(const uint8_t *data, size_t len, void *user_data) {
// 这里实现将数据保存到Flash的逻辑
// 例如，使用硬件平台提供的Flash写入API
file_length += len;
lootcnt ++;
RLOG_DEBUG("Saving %d bytes to Flash. total_len = %d lootcnt = %d\n", len,file_length, lootcnt);
// 假设有一个函数 flash_write(uint8_t *data, size_t len) 用于写入Flash
// flash_write((uint8_t *)data, len);
//osDelay(5000);
}
//动态属性
const osThreadAttr_t upg_task_attr = {
.name = "upgTask", // 任务名称
.stack_size = 2048, // 任务栈大小
.priority = osPriorityHigh, // 任务优先级
};
//http://192.168.1.104/Application.bin
//task2
void UpgTask(void *argument) {
// 执行任务逻辑
// ...
osDelay(3000);
RLOG_DEBUG("UPGTask called..\n");
upg_state_t current_state = UPG_STATE_INIT;
// 初始化HTTP客户端
http_client_state_t client_state;
// 设置服务器IP和文件路径
char *server_ip = "default";
char *downloadfile = "/application.bin";
//char *downloadfile = "/text.bin";
uint8_t retry = 0;
download_state_t download_state;
err_t err = ERR_OK;
client_state.state = DOWNLOAD_STATE_STARTING;
client_state.data_callback = savedata;
client_state.user_data = NULL;
client_state.received_len = 0;
client_state.is_header_received = 0;
client_state.is_error_occurred = 0;
client_state.error_message = NULL;
client_state.file = downloadfile; //待下载的文件
http_client_init(&client_state);
retry = 0;
while (1) {
RLOG_DEBUG("UpgTask current_state = %d\r\n",current_state);
switch (current_state) {
case UPG_STATE_INIT:
RLOG_DEBUG("Initializing...\n");
// 开始下载
err = http_client_download(server_ip, 80);
if(err == ERR_OK){
current_state = UPG_STATE_DOWNLOAD;
}
else{
if(++retry >= 3) { //尝试5次
current_state = UPG_STATE_ERROR;
}
osDelay(500);
}
break;
case UPG_STATE_DOWNLOAD:
RLOG_DEBUG("Downloading...\n");
// 进入等待状态
current_state = UPG_STATE_WAIT;
break;
case UPG_STATE_WAIT:
// 获取当前下载状态
download_state = http_client_get_state();
if (download_state == DOWNLOAD_STATE_COMPLETED) {
RLOG_DEBUG("Download completed successfully.\n");
current_state = UPG_STATE_CHECK;
} else if (download_state == DOWNLOAD_STATE_ERROR) {
const char *error_message = http_client_get_error_message();
RLOG_DEBUG("Error occurred: %s\n", error_message);
current_state = UPG_STATE_ERROR;
}
// 这里可以添加其他任务或事件处理
// 例如，调用lwip的定时器处理函数
break;
case UPG_STATE_CHECK:
RLOG_DEBUG("Program Check.\n");
//current_state = UPG_STATE_ERROR;
current_state = UPG_STATE_WRITE;
break;
case UPG_STATE_WRITE:
//只更新头部，不执行真正的写操作
RLOG_DEBUG("Program write.\n");
current_state = UPG_STATE_FINISHED;
break;
case UPG_STATE_FINISHED:
RLOG_DEBUG("Program finished.\n");
return ;
case UPG_STATE_ERROR:
RLOG_DEBUG("Program terminated due to error.\n");
return ;
default:
RLOG_DEBUG("Unknown state.\n");
return ;
}
// 延时 1 秒
osDelay(1000); // 参数单位为毫秒
}
}
void upg_task_create(void)
{
osThreadNew(UpgTask, NULL, &upg_task_attr); // 使用默认属性创建任务
}
二、验证结果
[10:34:21.215]收←◆[DEBUG] UPGTask called..
[10:34:21.288]收←◆[DEBUG] UpgTask current_state = 0
[DEBUG] Initializing...
[DEBUG] TCP connected
[DEBUG] TCP connected
[DEBUG] GET /application.bin HTTP/1.1
Host: 192.168.1.104
[DEBUG] Received 154 bytes
[DEBUG] HTTP 200 OK received
[DEBUG] Content-Length: 82692
[DEBUG] Saving 0 bytes to Flash. total_len = 0 lootcnt = 1
[DEBUG] File downloaded successfully. current received: 0 bytes
[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 1460 lootcnt = 2
[DEBUG] File downloaded successfully. current received: 1460 bytes
[DEBUG] Received 588 bytes
[DEBUG] Saving 588 bytes to Flash. total_len = 2048 lootcnt = 3
[DEBUG] File downloaded successfully. current received: 2048 bytes
[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 3508 lootcnt = 4
[DEBUG] File downloaded successfully. current received: 3508 bytes
[DEBUG] Received 872 bytes
[DEBUG] Saving 872 bytes to Flash. total_len = 4380 lootcnt = 5
[DEBUG] File downloaded successfully. current received: 4380 bytes
[10:34:21.356]收←◆[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 5840 lootcnt = 6
[DEBUG] File downloaded successfully. current received: 5840 bytes
[DEBUG] Received 588 bytes
[DEBUG] Saving 588 bytes to Flash. total_len = 6428 lootcnt = 7
[DEBUG] File downloaded successfully. current received: 6428 bytes
[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 7888 lootcnt = 8
[DEBUG] File downloaded successfully. current received: 7888 bytes
[DEBUG] Received 872 bytes
[DEBUG] Saving 872 bytes to Flash. total_len = 8760 lootcnt = 9
[DEBUG] File downloaded successfully. current received: 8760 bytes
[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 10220 lootcnt = 10
[DEBUG] File downloaded successfully. current received: 10220 bytes
[DEBUG] Received 588 bytes
[DEBUG] Saving 588 bytes to Flash. total_len = 10808 lootcnt = 11
[DEBUG] File downloaded successfully. current received: 10808 bytes
[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 12268 lootcnt = 12
[DEBUG] File downloaded successfully. current received: 12268 bytes
[DEBUG] Received 872 bytes
[DEBUG] Saving 872 bytes to Flash. total_len = 13140 lootcnt = 13
[DEBUG] File downloaded successfully. current received: 13140 bytes
[10:34:21.414]收←◆[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 14600 lootcnt = 14
[DEBUG] File downloaded successfully. current received: 14600 bytes
[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 16060 lootcnt = 15
[DEBUG] File downloaded successfully. current received: 16060 bytes
[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 17520 lootcnt = 16
[DEBUG] File downloaded successfully. current received: 17520 bytes
[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 18980 lootcnt = 17
[DEBUG] File downloaded successfully. current received: 18980 bytes
[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 20440 lootcnt = 18
[DEBUG] File downloaded successfully. current received: 20440 bytes
[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 21900 lootcnt = 19
[DEBUG] File downloaded successfully. current received: 21900 bytes
[10:34:21.478]收←◆[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 23360 lootcnt = 20
[DEBUG] File downloaded successfully. current received: 23360 bytes
[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 24820 lootcnt = 21
[DEBUG] File downloaded successfully. current received: 24820 bytes
[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 26280 lootcnt = 22
[DEBUG] File downloaded successfully. current received: 26280 bytes
[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 27740 lootcnt = 23
[DEBUG] File downloaded successfully. current received: 27740 bytes
[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 29200 lootcnt = 24
[DEBUG] File downloaded successfully. current received: 29200 bytes
[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 30660 lootcnt = 25
[DEBUG] File downloaded successfully. current received: 30660 bytes
[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 32120 lootcnt = 26
[DEBUG] File downloaded successfully. current received: 32120 bytes
[10:34:21.542]收←◆[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 33580 lootcnt = 27
[DEBUG] File downloaded successfully. current received: 33580 bytes
[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 35040 lootcnt = 28
[DEBUG] File downloaded successfully. current received: 35040 bytes
[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 36500 lootcnt = 29
[DEBUG] File downloaded successfully. current received: 36500 bytes
[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 37960 lootcnt = 30
[DEBUG] File downloaded successfully. current received: 37960 bytes
[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 39420 lootcnt = 31
[DEBUG] File downloaded successfully. current received: 39420 bytes
[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 40880 lootcnt = 32
[DEBUG] File downloaded successfully. current received: 40880 bytes
[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 42340 lootcnt = 33
[DEBUG] File downloaded successfully. current received: 42340 bytes
[10:34:21.598]收←◆[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 43800 lootcnt = 34
[DEBUG] File downloaded successfully. current received: 43800 bytes
[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 45260 lootcnt = 35
[DEBUG] File downloaded successfully. current received: 45260 bytes
[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 46720 lootcnt = 36
[DEBUG] File downloaded successfully. current received: 46720 bytes
[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 48180 lootcnt = 37
[DEBUG] File downloaded successfully. current received: 48180 bytes
[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 49640 lootcnt = 38
[DEBUG] File downloaded successfully. current received: 49640 bytes
[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 51100 lootcnt = 39
[DEBUG] File downloaded successfully. current received: 51100 bytes
[10:34:21.664]收←◆[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 52560 lootcnt = 40
[DEBUG] File downloaded successfully. current received: 52560 bytes
[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 54020 lootcnt = 41
[DEBUG] File downloaded successfully. current received: 54020 bytes
[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 55480 lootcnt = 42
[DEBUG] File downloaded successfully. current received: 55480 bytes
[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 56940 lootcnt = 43
[DEBUG] File downloaded successfully. current received: 56940 bytes
[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 58400 lootcnt = 44
[DEBUG] File downloaded successfully. current received: 58400 bytes
[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 59860 lootcnt = 45
[DEBUG] File downloaded successfully. current received: 59860 bytes
[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 61320 lootcnt = 46
[DEBUG] File downloaded successfully. current received: 61320 bytes
[10:34:21.727]收←◆[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 62780 lootcnt = 47
[DEBUG] File downloaded successfully. current received: 62780 bytes
[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 64240 lootcnt = 48
[DEBUG] File downloaded successfully. current received: 64240 bytes
[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 65700 lootcnt = 49
[DEBUG] File downloaded successfully. current received: 65700 bytes
[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 67160 lootcnt = 50
[DEBUG] File downloaded successfully. current received: 67160 bytes
[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 68620 lootcnt = 51
[DEBUG] File downloaded successfully. current received: 68620 bytes
[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 70080 lootcnt = 52
[DEBUG] File downloaded successfully. current received: 70080 bytes
[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 71540 lootcnt = 53
[DEBUG] File downloaded successfully. current received: 71540 bytes
[10:34:21.791]收←◆[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 73000 lootcnt = 54
[DEBUG] File downloaded successfully. current received: 73000 bytes
[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 74460 lootcnt = 55
[DEBUG] File downloaded successfully. current received: 74460 bytes
[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 75920 lootcnt = 56
[DEBUG] File downloaded successfully. current received: 75920 bytes
[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 77380 lootcnt = 57
[DEBUG] File downloaded successfully. current received: 77380 bytes
[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 78840 lootcnt = 58
[DEBUG] File downloaded successfully. current received: 78840 bytes
[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 80300 lootcnt = 59
[DEBUG] File downloaded successfully. current received: 80300 bytes
[DEBUG] Received 1460 bytes
[DEBUG] Saving 1460 bytes to Flash. total_len = 81760 lootcnt = 60
[DEBUG] File downloaded successfully. current received: 81760 bytes
[10:34:21.841]收←◆[DEBUG] Received 932 bytes
[DEBUG] Saving 932 bytes to Flash. total_len = 82692 lootcnt = 61
[DEBUG] File downloaded successfully. current received: 82692 bytes
[DEBUG] File downloaded successfully. Total received: 82692 bytes
[DEBUG] File downloaded successfully. Total received: 82692 bytes
TestTask called..
LedTask called..
NullTask called..
[10:34:22.849]收←◆[DEBUG] UpgTask current_state = 1
[10:34:22.896]收←◆[DEBUG] Downloading...
TestTask called..
LedTask called..
NullTask called..
[10:34:23.882]收←◆[DEBUG] UpgTask current_state = 2
[10:34:23.936]收←◆[DEBUG] Download completed successfully.
TestTask called..
LedTask called..
NullTask called..
[10:34:24.900]收←◆[DEBUG] UpgTask current_state = 3
[10:34:24.946]收←◆[DEBUG] Program Check.
TestTask called..
LedTask called..
NullTask called..
[10:34:25.917]收←◆[DEBUG] UpgTask current_state = 4
[10:34:25.967]收←◆[DEBUG] Program write.
TestTask called..
LedTask called..
NullTask called..
[10:34:26.935]收←◆[DEBUG] UpgTask current_state = 6
[10:34:26.996]收←◆[DEBUG] Program finished.
LedTask called..
NullTask called..
三、其它
在实际验证的时候，好像HTTP分段功能有问题。后期有空再调试吧。另外，调试过程中，需要要修改PBUF_POOL_BUFSIZE， 将值调整为2048后，下载不发丢包。
#define PBUF_POOL_BUFSIZE 2048
浙公网安备 33010602011771号