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zhujisheng
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c3c3d9bc6f
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edc48494de
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#include "SIM7000.h"
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#include <SoftwareSerial.h>
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#define RXD2 10
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#define TXD2 11
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//你需要修改以下信息
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#define NetworkAPN "cmnbiot3"
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#define ServerIP "54.255.233.63"
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#define ServerPort 5055
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#define DeviceID 123456
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SoftwareSerial mySS = SoftwareSerial(RXD2, TXD2);
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SIM7000 sim7000;
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void setup() {
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Serial.begin(115200);
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mySS.begin(19200);
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//连接到sim7000
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if (sim7000.begin(mySS))
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Serial.println("Connected to Sim7000 ok.");
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else{
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Serial.println("Couldn't connect to Sim7000 module!");
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while(1);
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}
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//探测sim卡已插入
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if(sim7000.check_send_cmd("AT+CPIN?\r\n","CPIN: READY"))
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Serial.println("SIM card READY.");
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else{
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Serial.println("SIM card ERROR, Check if you have insert SIM card and restart SIM7000!");
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while(1);
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}
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//选择LTE，NB-IOT，打开扰码
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if(sim7000.check_send_cmd("AT+CNMP=38\r\n","OK"))
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Serial.println("Select LTE OK.");
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else{
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Serial.println("Select LTE, return error!");
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while(1);
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}
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if(sim7000.check_send_cmd("AT+CMNB=2\r\n","OK"))
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Serial.println("Select NB-IOT OK.");
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else{
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Serial.println("Select NB-IOT, return error!");
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while(1);
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}
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if(sim7000.check_send_cmd("AT+NBSC=1\r\n","OK"))
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Serial.println("Enable the scrambling feature OK.");
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else{
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Serial.println("Enable the scrambling feature, return error!");
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while(1);
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}
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//获得可用的APN
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sim7000.check_send_cmd("AT+CGNAPN\r\n","OK");
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//设置APN，连接网络
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char command[100];
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sprintf(command, "AT+CSTT=\"%s\"\r\n",NetworkAPN);
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if(sim7000.check_send_cmd(command,"OK"))
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Serial.println("Set APN OK.");
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else{
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Serial.println("Set APN, not return OK!");
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}
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if(sim7000.check_send_cmd("AT+CIICR\r\n","OK"))
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Serial.println("CIICR OK.");
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else
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Serial.println("Set CIICR, not return OK!");
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//打开卫星定位电源
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if(sim7000.check_send_cmd("AT+CGNSPWR=1\r\n","OK"))
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Serial.println("CGNSPWR OK.");
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else{
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Serial.println("CGNSPWR, return error!");
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while(1);
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}
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}
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void loop() {
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char GNSSBuffer[150];
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char command[200];
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char *p, *lat, *lon, *datetime;
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// 获得时间与经纬度
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sim7000.sendCmd("AT+CGNSINF\r\n");
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sim7000.readBuffer(GNSSBuffer, 150);
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p = strstr(GNSSBuffer, ",");
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p = strstr(p+1, ",");
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datetime = p+1;
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p = strstr(p+1, ",");
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*p = NULL;
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lat = p+1;
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p = strstr(p+1, ",");
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*p = NULL;
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lon = p+1;
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p = strstr(p+1, ",");
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*p = NULL;
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Serial.print("Datetime: ");
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Serial.println(datetime);
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Serial.print("Latitude: ");
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Serial.println(lat);
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Serial.print("Longitude: ");
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Serial.println(lon);
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sim7000.check_send_cmd("AT+CIFSR\r\n", "OK");
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// 连接traccar服务器，发送数据
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if(strlen(datetime)>0){
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Serial.println("Connect to server...");
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sprintf(command, "AT+CIPSTART=\"TCP\",\"%s\",%d\r\n", ServerIP, ServerPort);
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sim7000.check_send_cmd(command,"OK", 20000, 10000);
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if(sim7000.check_send_cmd("AT+CIPSTATUS\r\n","CONNECT OK")){
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sprintf(command, "GET /?id=%ld&lat=%s&lon=%s HTTP/1.1\r\n\r\n", DeviceID, lat, lon);
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sim7000.check_send_cmd("AT+CIPSEND\r\n", ">");
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sim7000.sendCmd(command);
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sim7000.check_send_cmd("\x1a", "SEND OK", 20000, 10000);
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sim7000.check_send_cmd("AT+CIPCLOSE\r\n", "OK", 20000, 10000);
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}
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}
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delay(5000);
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}
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@ -0,0 +1,97 @@
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#include "SIM7000.h"
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bool SIM7000::begin(Stream &port)
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{
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mySerial = &port;
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int16_t timeout = 7000;
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while (timeout > 0) {
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while (mySerial->available()) mySerial->read();
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if (check_send_cmd("AT\r\n","OK"))
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return true;
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delay(500);
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timeout-=500;
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}
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return false;
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}
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bool SIM7000::checkSIMStatus(void)
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{
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int count = 0;
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while(count < 3){
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if(check_send_cmd("AT\r\n","OK")){
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break;
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}else{
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count++;
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delay(300);
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}
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}
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if(count == 3){
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return false;
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}
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count = 0;
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while(count < 3){
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if(check_send_cmd("AT+CPIN?\r\n","READY")){
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break;
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}else{
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count++;
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delay(300);
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}
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}
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if(count == 3){
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return false;
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}
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return true;
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}
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bool SIM7000::check_send_cmd(const char* cmd, const char* resp, unsigned int timeout, unsigned int chartimeout)
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{
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char SIMbuffer[100];
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sendCmd(cmd);
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readBuffer(SIMbuffer,100, timeout, chartimeout);
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if(NULL != strstr(SIMbuffer,resp)){
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return true;
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}else{
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return false;
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}
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}
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void SIM7000::sendCmd(const char* cmd)
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{
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mySerial->write(cmd);
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Serial.println("================>>>>>>");
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Serial.print("SendCommand: ");
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Serial.print(cmd);
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}
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int SIM7000::readBuffer(char *buffer, int count, unsigned int timeout, unsigned int chartimeout)
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{
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int i = 0;
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unsigned long timerStart, prevChar;
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timerStart = millis();
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prevChar = 0;
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while(1){
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while(mySerial->available()>0){
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buffer[i++] = mySerial->read();
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prevChar = millis();
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if(i >= count){
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buffer[i] = '\0';
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Serial.println("<<<<<<<================");
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Serial.println(buffer);
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return i;
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}
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}
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if(timeout){
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if((unsigned long) (millis() - timerStart) > timeout){
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break;
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}
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}
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if(((unsigned long) (millis() - prevChar) > chartimeout) && (prevChar != 0)){
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break;
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}
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}
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buffer[i] = '\0';
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Serial.println("<<<<<<<================");
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Serial.println(buffer);
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return i;
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}
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@ -0,0 +1,24 @@
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#ifndef __SIM7000_H__
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#define __SIM7000_H__
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#include <Arduino.h>
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#include <SoftwareSerial.h>
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#define DEFAULT_TIMEOUT 5000 //miliseconds
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#define DEFAULT_INTERCHAR_TIMEOUT 1500 //miliseconds
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class SIM7000
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{
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public:
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bool check_send_cmd(const char* cmd, const char* resp, unsigned int timeout = DEFAULT_TIMEOUT, unsigned int chartimeout = DEFAULT_INTERCHAR_TIMEOUT);
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void sendCmd(const char* cmd);
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int readBuffer(char *buffer, int count, unsigned int timeout = DEFAULT_TIMEOUT, unsigned int chartimeout = DEFAULT_INTERCHAR_TIMEOUT);
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bool setBaudRate(long rate);
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bool checkSIMStatus(void);
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bool begin(Stream &port);
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private:
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char latitude[8];
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char longitude[8];
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SoftwareSerial* mySerial;
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};
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#endif
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