TT12-MCU/applications/func/func.c

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/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2023-07-06 murmur the first version
*/
#include "func.h"
#define LOG_TAG "func"
#define LOG_LVL LOG_LVL_DBG
#include <ulog.h>
//3.2.1双模通信功能
//1为TT通信0为BD短报文通信
void setCommMode(int isTT)
{
if (isTT) {
//change mode
}
else {
}
//write to cfg file
set_cfg("commMode", isTT);
LOG_D("set commMode to %s",isTT?"TT":"BD");
}
int getCommMode()
{
//load from cfg file
int flag = get_cfg("commMode");
if (flag < 0) {
LOG_W("get mode fault.");
}
return flag;
}
//3.2.2状态自检
/**
* MB
* @param path指定磁盘挂载的路径
* @return MB
*/
static uint16_t getFreeSpace(const char *path)
{
long long cap;
struct statfs buffer;
int result = dfs_statfs(path ? path : "/", &buffer);
if (result != 0)
{
LOG_E("dfs_statfs failed.");
return 0;
}
cap = (uint16_t)((long long)buffer.f_bsize) * ((long long)buffer.f_bfree) / 1024LL / 1024LL ;//转换为MB
return cap;
}
void d_getFreeSpace()
{
LOG_D("free space of flash is %d MB.",getFreeSpace(NULL));
uint16_t rst = getFreeSpace("/sd");
LOG_D("free space of sd is %d MB.%02X,%02X",rst,rst>>8,rst&0xff);
}
/**
*
* @return
*/
RT_WEAK int getPowerLevel(void)
{
return 0;
}
/**
*
* @param din
* @param len
* @return
*/
RT_WEAK int upSend(uint8_t *din, size_t len)
{
//此函数有打包操作,需线程操作
LOG_D("upsend.");
return 0;
uint8_t dout[200];
//打包数据
static MSG cfg;
rt_memset(&cfg, 0, sizeof(MSG)); // 分配空间
char *fin;
time2Str(fin);
packInit(&cfg, fin, 0); //写入配置
size_t rst = packMsg(&cfg, din, len, dout);
LOG_HEX("upSend", 16, dout, rst);
return 0;
}
/**
*
*/
void selfTest()
{
LOG_D("FUNC = selftest");
rt_uint8_t rst[100]={0x5A, 0xA5, 0x32, 0x3E, 0x0A, 0x41};
int p = 6;
rt_uint8_t sysSta=1,xh=0,jh=0,commSpeed=0;
//长度
rst[p++]=0x00;
rst[p++]=0x09;
rst[p++] = sysSta;
rst[p++] = xh;
rst[p++] = jh;
rst[p++] = commSpeed;
rst[p++] = getPowerLevel();
//flash 剩餘空間
uint16_t cap = getFreeSpace("/");
rst[p++] = (uint8_t)(cap >> 8);
rst[p++] = (uint8_t)(cap & 0xff);
//SD卡剩餘空間
cap = getFreeSpace("/sd");
rst[p++] = (uint8_t)(cap >> 8);
rst[p++] = (uint8_t)(cap & 0xff);
rst[p++] = bccCRC(rst+2, p-1); ////校验位为1个字节采用异或运算从指令的第3个字节开始到奇偶校验位的前一个字节结束
rst[p++] = 0xED; //结束位
LOG_HEX("selfTestRes",16,rst,p);
//发送结果
upSend(rst,p);
}
//3.2.3日志记录
//日志功能由各函数通过LOG_D()实现
//3.2.4自毁功能
/**
*
* @param setON 1-0-
*/
void setSelfDestructSWT(int setON)
{
//write to cfg file
set_cfg("SelfDesSW", setON);
LOG_D("set SelfDesSW to %s",setON?"ON":"OFF");
}
/**
*
* @return 1-0-
*/
int getSelfDestructSWT()
{
//load from cfg file
int flag = get_cfg("SelfDesSW");
if (flag < 0) {
LOG_W("get mode fault.");
}
return flag;
}
/**
*
*/
void selfDestruct()
{
if (getSelfDestructSWT()) {
//硬件自毁
LOG_W("SELF DESTRUCT START.");
}
}
//3.2.5开、关窗功能
extern void updateAlarm(int *t);
/**
*
*/
void setCommWindow(int *t)
{
updateAlarm(t);
LOG_D("更新开窗时间完成。");
}
/**
*
* @param t t=0
*/
void openWindow(int t)
{
//开启TT
pwTT_thread_entry("1");//开机
if (!t) {
LOG_D("手动开窗完成,需手动关窗。");
return;
}
//设置定时器,定时器到则关窗
/* 创建定时器,单次定时器 */
rt_timer_t timer1;
timer1 = rt_timer_create("window", pwTT_thread_entry,
0, rt_tick_from_millisecond(t*60*1000),
RT_TIMER_FLAG_ONE_SHOT);
/* 启动定时器 */
if (timer1 != RT_NULL)
{
rt_timer_start(timer1);
LOG_D("手动开窗完成,%d分钟后自动关窗。",t);
}
}
/**
*
*/
void closeWindow()
{
pwTT_thread_entry("0");//关 机
LOG_D("手动关窗完成。");
}
//3.2.6工作参数配置、状态查询
//包含浮体自身、标体透传、两者结合
//这里主要实现浮体自身
//浮体自身的参数配置各功能函数有实现,此处需规定参数下发协议和解码实现
//获取当前位置
/**
*
* @param dout
* @param cnt
* @return 0
*/
RT_WEAK int getLoc(uint8_t * dout, size_t cnt)
{
LOG_D("待实现获取位置函数此处以0xCD代替");
uint8_t tmp[200];
memset(tmp,0xCD,200);
memcpy(dout,tmp,cnt*10);
return cnt*10;//4+4+2
}
/**
*
* @param dout
* @param pairCnt
* @return
*/
static int getAndCheckLoc(uint8_t *dout, size_t pairCnt)
{
uint8_t loc[200];
size_t cnt = getLoc(loc,pairCnt);
while (!cnt)
{
static i=0;
LOG_W("位置信息还未准备好。");
rt_thread_mdelay(4000);//状态数据默认3s更新一次
cnt = getLoc(loc,pairCnt);
if (i++ > 20) {
LOG_E("位置信息获取异常");
break;
}
}
memcpy(dout,loc,cnt);
return cnt;
}
/**
* c回应深度数据
* @param din
* @param len
* @return
*/
int reportDepth(uint8_t *din,size_t len)
{
uint8_t rst[len];
memcpy(rst,din,len);
// 000000000000000000005AA53E320608000A170407101B33FFFFFFFF24ED
getAndCheckLoc(rst+0,1);//有10个位置的空余字节尚不清楚定义
upSend(rst, len);
}
//天通指令类型0x70 0x01
//3.2.8定时自报位置信息
//每小时传数据时同步传位置信息
//与告警信息共用编码方式
//首字节00为定时发送未检测围栏其它为在围栏外
//单次最多可上报15条位置信息
/**
* 15
* @param dout
* @return
*/
static int packLocMsg(uint8_t *dout)
{
uint8_t alertMsg[200] =
{ 0x5A, 0xA5, ADDR_ANJI, ADDR_TT, _CFG_LOCATION_ALERT >> 8, _CFG_LOCATION_ALERT & 0xFF, 0, 0 };
alertMsg[8] = 0; //首字节00为定时发送未检测围栏其它为在围栏外
int len = time2Byte(alertMsg+9);//添加时间戳
len += (getAndCheckLoc(alertMsg + 9 + len, 15)+1); //p指向第2个数据
alertMsg[7] = len; //update len of raw data
alertMsg[8 + len] = bccCRC(alertMsg + 2, 8 + len - 2); //update CRC
alertMsg[8 + len + 1] = 0xED;
len = 8 + len + 2;
LOG_HEX("packLocMsg", 16, alertMsg, len); //bccCRC+Tail
memcpy(dout, alertMsg, len);
return len;
}
static void d_packLocMsg(void)
{
uint8_t tmp[200];
packLocMsg(tmp);
}
/**
*
* @param din
* @param len
* @param dout
* @return
*/
static int cryptLocMsg(uint8_t *din, size_t len, uint8_t *dout)
{ //加密。因加密后数据长度会变化,故不能只加密位置数据。
uint8_t cd[200]={0xAB,0xAB};
size_t nlen = 0;
//#define FULL_DATA_CRYPT
#ifdef FULL_DATA_CRYPT
nlen = cryp_data(din, len, cd);
#else
//单独加密时在加密后数据头部添加0xABAB便于识别、解析
nlen = cryp_data(din, len, cd + 2) + 2;
#endif
memcpy(dout, cd, nlen);
return nlen;
}
int packAndSendLoc()
{
uint8_t rst[200];
int len = packLocMsg(rst);
LOG_D("len=%d",len);
len = cryptLocMsg(rst, len, rst);
LOG_D("len=%d",len);
LOG_HEX("crypt",16,rst,len);
}
//3.2.9深度异常告警
int packDeepMsg(uint8_t *din, int len, uint8_t *dout)
{
//获取并更新位置信息
uint8_t loc[]={};
rt_memcpy(din+6, loc, 8);//位置数据从【】字节开始共8个字节
//加密。因加密后数据长度会变化,故不能只加密位置数据。
size_t nlen = cryptByte(din, len, dout);
LOG_D("位置数据加密完成");
upSend(dout, nlen);
}
//3.2.10位置异常告警
//map.c中实现
/**
*
* @param x
* @param y
* @return truefalse
*/
static int isInFence(float x, float y)
{
float polyX[]={},polyY[]={};
int polyCorners = mapParse("/map.geojson",polyX,polyY);
return pointInPolygon(polyCorners,polyX,polyY,x,y);
}
/**
*
* @param setON 1-0-
*/
void setLocationAlertSWT(int setON)
{
}
/**
*
*/
void checkLocAndAlert()
{
//get Lon and Lat
uint8_t loc[8];
getAndCheckLoc(loc,1);
float x,y =0;
memcpy(&x,loc,4);
memcpy(&y,loc+4,4);
int isIN = isInFence(x, y);
if (isIN) {
LOG_I("设备在预设范围内,位置正常。");
}
else {
LOG_W("警告!设备不在预设范围内!");
uint8_t msg[200];
int len = packLocMsg(msg);
len = cryptLocMsg(msg,len,msg);
//告警信息与3.2.8定时自报位置信息的共用编码方式
// uint8_t alertMsg[]={0x5A,0xA5,ADDR_ANJI,ADDR_TT};
// alertMsg[4] = _CFG_LOCATION_ALERT >> 8;
// alertMsg[5] = _CFG_LOCATION_ALERT & 0xFF;
//
// //加密。
// uint8_t cd[200];
// size_t nlen = cryptByte(din, len, cd);
// upSend(alertMsg, sizeof(alertMsg));
}
}
//3.2.12数据存储区清空
//
/**
* 使
*/
void clearAllData()
{
mkfs("elm","sd0");//format SD
mkfs("elm", "W25Q128");//format flash
}
/**
* @brief TT根据下发的指令执行对应的功能
*
* @param din
* @param len
*/
void ttRunCMD(uint8_t *din, size_t len)
{
/**
+--------+--------+------------+------------+---------+--------+------+------+-------+-----+-------+---------+------+
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | ... | 8+N | 9+N | 10+N |
+--------+--------+------------+------------+---------+--------+------+------+-------+-----+-------+---------+------+
| Header | Header | targetAddr | sourceAddr | mainCMD | subCMD | lenH | lenL | data1 | ... | dataN | BbccCRC | tail |
+--------+--------+------------+------------+---------+--------+------+------+-------+-----+-------+---------+------+
*/
int cmd = (din[4] << 8) + din[5];
// int para[]
switch (cmd)
{
case _CFG_COMM_MODE:
setCommMode(din[8]);
break;
case _CMD_SELF_TEST:
selfTest();
break;
case _CFG_SELF_DESTRUCT:
setSelfDestructSWT(din[8]);
break;
case _CMD_SELF_DESTRUCT:
selfDestruct();
break;
case _CFG_COMM_WINDOW:
setCommWindow(din+8);//只支持两组开窗
break;
case _CMD_OPEN_WINDOW:
openWindow(din[7]?((din[8] << 8) + din[9]):0);//两字节开窗时间
break;
case _CMD_CLOSE_WINDOW:
closeWindow();
break;
case _CFG_LOCATION_ALERT:
setLocationAlertSWT(din[8]);
break;
case _CMD_CLEAR_DATA:
clearAllData();
break;
default:
LOG_W("未支持的指令。");
break;
}
}
RT_WEAK int xpParse(uint8_t * din, size_t len)
{
LOG_D("直接调用小彭的函数进行处理。");
return 0;
}
//原计划将指令粗解析放在上位机考虑到上位机到位时间晚现放到MCU端
/**
* @brief 3S数据0x5AA50xED
*
* @param din
* @param count
*/
void parse3SData(uint8_t *din, size_t count)
{
/**
+--------+--------+------------+------------+---------+--------+------+------+-------+-----+-------+---------+------+
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | ... | 8+N | 9+N | 10+N |
+--------+--------+------------+------------+---------+--------+------+------+-------+-----+-------+---------+------+
| Header | Header | targetAddr | sourceAddr | mainCMD | subCMD | lenH | lenL | data1 | ... | dataN | BbccCRC | tail |
+--------+--------+------------+------------+---------+--------+------+------+-------+-----+-------+---------+------+
*/
uint8_t head[]={0x5A,0xA5};
//header[4] addr[2]  func[2]  len[2]  data[N]  fcrc[1] tail[1]
uint8_t rst = memcmp(din,head,sizeof(head[0]));
if (rst)
{
LOG_W("0x%02X%02X != 0x%5AA5,帧头不匹配",din[0],din[1]);
return;
}
if (din[count-2] != bccCRC(din+2,count-2-2))//校验位为1个字节采用异或运算从指令的第3个字节开始到奇偶校验位的前一个字节结束
{
LOG_W("0x%02X != 0x%02X,校验值不匹配",din[count-2] , bccCRC(din+2,count-2-2));
return;
}
if (din[count-1] != 0xED)
{
LOG_W("0x%02X != 0xED,帧尾不匹配",din[count-1]);
return;
}
// uint8_t dout[200];
// size_t len=0;
if (din[2] == ADDR_TT)//仅给TT的消息
{
ttRunCMD(din,count);
}
if (din[3] == ADDR_3S)//给3S的指令需要再加工返回数据可能也需要再加工
{
//
xpParse(din,count);
//以下处理逻辑作废
//绝大部分数据均需要转换。详见《主要指令一览》
// int cmd = (din[4]<<8) + din[5]
// switch (cmd)
// {
// case _CMD_RTC_CHECK:
// case 0:
// /* 不转换 */
// break;
// default:
// //转换
// char rst[]="";
// bytes2str(din,count,16,"",rst);
// break;
// }
// //发送
}
}
/**
* @brief TT数据TT收到的指令必是单指令
*
* @param din
* @param len
*/
void parseTTData(uint8_t *din, size_t len)
{
/**
* +---------------------+-----------+-----------+-----------+-----------+---------+---------------------+------------+
* | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
* +---------------------+-----------+-----------+-----------+-----------+---------+---------------------+------------+
* | fstart[4] | fnum[2] | bak[2] | ftype[2] | fdlen[2] | fcrc[1] | ftccid[4] | rawData[N] |
* | 0x88,0xAA,0xBB,0x88 | 0x00,0x01 | 0x00,0x22 | 0x70,0x21 | 0x00,0xAA | 0x00 | 0x27,0x22,0x22,0x22 | |
* +---------------------+-----------+-----------+-----------+-----------+---------+---------------------+------------+
*/
uint8_t head[]={0x88,0xAA,0xBB,0x88, 0x00,0x01, 0x00,0x22, 0x70,0x21, 0x00,0xaa, 0x00, 0x27,0x22,0x22,0x22 };
//fstart[4] fnum[2]  bak[2]  ftype[2]  fdlen[2]  fcrc[1] ftccid[4]
// uint8_t rst[10];
// size_t n=isInByte(din, len, head, 10, rst);
// uint8_t ndin[200];
// for (size_t i = 0; i < n; i++)
// {
// int n=rst[i+1]
// memcpy(ndin,din,rst[i+1]-rst[i]);
// }
uint8_t rst = memcmp(din,head,10);//只比较到ftype
if (rst)
{
LOG_W("帧头不匹配");
return;
}
uint8_t id[30]="";
LOG_D("get new data: id=\"%s\", cur/all=[%d/%d]",bytes2str(din+17,7,10,"_",id),din[25],din[26]);
if (din[24] >> 7) // fcfg=数据类型。解析TT收到的数据时仅需解析“命令”“数据”传输是单向的。
{
LOG_W("浮标端仅接受指令,暂不支持数据。");
return;
}
uint8_t rawData[200];
uint8_t rawDataLen=len-27;
memcpy(rawData, din + 27, rawDataLen);
parse3SData(rawData,rawDataLen);
// switch (din[24] & 0x7F) // 识别指令的目标地址
// {
// case _ONLY_FOR_TT:
// ttRunCMD(rawData, len - 27);
// break;
// case _ONLY_FOR_3S:
// /* code */
// // 发送数据至3S
// break;
// case _FOR_BOTH:
// // 发送数据至3S
// // 等待返回数据
// // 打包
// // 上传
// break;
// default:
// LOG_W("未识别到指令的目标地址");
// break;
// }
}
/**
*
* @param din
* @param len
* @return 0---1--
*/
int cacheData(uint8_t *din, size_t len)
{
static int cnt = 0;
LOG_D("cached size=%d", cnt);
char rootDir[22] = "/sd/rxdata/";
// if (!opendir(rootDir))
{
mkdir(rootDir, 0);
}
strcat(rootDir, "2023_07_19/");
//name of cachefile
static char f[60] = "";
if (cnt == 0 || cnt > 1024)
{
//广播待发送文件
cnt = 0;
//更新时戳
char ts[30] = "";
time2Str(ts);
//更新文件夹
strncpy(rootDir + strlen(rootDir) - 9, ts, 8);
// if (!opendir(rootDir))
{
mkdir(rootDir, 0);
}
//更新文件名
f[0] = '\0';
strcat(f, rootDir);
// strcpy(f,rootDir);
strcat(f, "23_07_19_16_38_36_36.bin");
LOG_D("need to creat new file");
strncpy(f + strlen(rootDir), ts, strlen(ts));
}
LOG_D("f=%s", f);
int fd = open(f, O_WRONLY | O_CREAT | O_APPEND);
if (fd < 0)
{
LOG_E("open file %s failed!", f);
return -RT_ERROR;
}
else
{
int rst = write(fd, din, len);
if (rst != len)
{
LOG_E("write to file %s failed!", f);
close(fd);
return -RT_ERROR;
}
cnt += len;
close(fd);
}
return RT_EOK;
}
void d_cacheData()
{
uint8_t demo[200];
size_t len = sizeof(demo);
memset(demo,0xAB,len);
cacheData(demo, len);
}
#define FUNC_DEMO
#ifdef FUNC_DEMO //测试时导出命令到控制台
MSH_CMD_EXPORT(d_getFreeSpace,getFreeSpace);
MSH_CMD_EXPORT(selfTest,sysSelfTest);
MSH_CMD_EXPORT(d_packLocMsg,dpackLocMsg);
MSH_CMD_EXPORT(packAndSendLoc,packAndSendLoc);
MSH_CMD_EXPORT(d_cacheData,d_cacheData);
#endif