wang tang
watersensor and DS1280 temp sensor
Dependencies: watersenor_and_temp_code MQTT NetworkSocketAPI X_NUCLEO_IDW01M1v2 mbed
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DS1820_IDW01M1
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Revision 0:80c7778c82b8, committed 2017-10-31
- Comitter:
- rozendhyan@gmail.com
- Date:
- Tue Oct 31 18:41:30 2017 +0800
- Child:
- 1:2ee9e5685a1e
- Commit message:
- My commit message
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/.gitignore Tue Oct 31 18:41:30 2017 +0800 @@ -0,0 +1,7 @@ +# dir +BUILD/ +mbed/ +MQTT/ +NetworkSocketAPI/ +X_NUCLEO_IDW01M1v2/ +.hg/ \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/.hgignore Tue Oct 31 18:41:30 2017 +0800 @@ -0,0 +1,7 @@ +# dir +BUILD/ +mbed/ +MQTT/ +NetworkSocketAPI/ +X_NUCLEO_IDW01M1v2/ +.git/ \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/.mbed Tue Oct 31 18:41:30 2017 +0800 @@ -0,0 +1,3 @@ +ROOT=. +TARGET=NUCLEO_F401RE +TOOLCHAIN=GCC_ARM
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/BME280/BME280.hpp Tue Oct 31 18:41:30 2017 +0800
@@ -0,0 +1,74 @@
+#include "mbed.h"
+
+#ifndef BME280_HPP
+#define BME280_HPP
+
+#define BME280_size 14
+
+Serial sensor(PA_11,PA_12);
+Serial pc(USBTX,USBRX);
+int AT[3] = {0xA5,0x52,0xF7};
+class BME280{
+public:
+ void judgement_data(char buf[]);
+ int Temp_read();
+
+private:
+ void receive();
+ void send_AT();
+ char buf[BME280_size];
+ int Lux,Temp,Preesure,Hum,Height;
+
+};
+void BME280::judgement_data(char buf[]){
+ int i=0;
+ if(buf[i++]== 0x5A){
+ //pc.printf("first_step\n");
+ if(buf[i++]== 0x5A){
+ //pc.printf("second_step\n");
+ //i++;//go to data type
+ if(buf[i] == 0x15){
+ //pc.printf("Lux type\n");
+ i++;//04
+ Lux = ((buf[i+1]<<24) | (buf[i+2]<<16) | (buf[i+3]<<8) | buf[i+4])/100;
+ //Lux = (0x00<<24) | (0x00<<16) | (0xFE<<8) | 0x40;//test
+ //pc.printf("Lux = %d\n", Lux);
+ }else if(buf[i] == 0x45){
+ //pc.printf("temp type\n");
+ i++;//0A
+ Temp = ((buf[i+1]<<8)|(buf[i+2]))/100;
+ Preesure = ((buf[i+3]<<24)|(buf[i+4]<<16)|(buf[i+5]<<8)|(buf[i+6]))/100;
+ Hum = ((buf[i+7]<<8)|(buf[i+8]))/100;
+ Height = ((buf[i+9]<<8)|(buf[i+10]));
+ //pc.printf("Temp = %d\n", Temp);
+ //pc.printf("Preesure = %d\n", Preesure);
+ //pc.printf("Hum = %d\n", Hum);
+ //pc.printf("Height = %d\n", Height);
+ }
+ }
+ }
+}
+void BME280::receive(){
+ for(int i=0;i<BME280_size;i++){
+ buf[i] = sensor.getc();
+ //pc.putc(buf[i]);
+ }
+
+}
+void BME280::send_AT(){
+ for(int i=0;i<3;i++){
+ sensor.putc(AT[i]);
+ //pc.putc(AT[i]);
+ }
+}
+int BME280::Temp_read(){
+ send_AT();
+ //wait(0.2);
+ receive();
+ //wait(0.2);
+ judgement_data(this->buf);
+
+ return Temp;
+}
+
+#endif
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/MQTT.lib Tue Oct 31 18:41:30 2017 +0800 @@ -0,0 +1,1 @@ +https://developer.mbed.org/teams/ST/code/MQTT/#66826ea709ea
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/NetworkSocketAPI.lib Tue Oct 31 18:41:30 2017 +0800 @@ -0,0 +1,1 @@ +http://mbed.org/teams/NetworkSocketAPI/code/NetworkSocketAPI/#ea3a618e0818
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/README.md Tue Oct 31 18:41:30 2017 +0800 @@ -0,0 +1,47 @@ +# MQTT-IDW01M1 +This project is testing MQTT on mbed +- device + - NUCLEO_F401RE + - IDW01M1(WiFi board) +- MQTT cloud + - Node-Red(local,in my RaspberryPi) +- Toolchain + - ARM_GCC +- Tools + - mbed cli + - MQTTlens + +## compile +First you need dowload mbed lib +``` +mbed deploy +``` +Setting toolchain and target +``` +mbed toolcahin $(yourtoolchain) +mbed target $(your target) +``` +compile +``` +mbed compile +``` + + +## MQTT step +### connect to your AP +### connect to your host +### MQTT connect +### Subscribe +### Publish + +## MQTT function +- Subscribe +- Publish + +## MQTT variables +- QOS + + +## Reference material +- [X-NUCLEO-IDW01M1 Wi-Fi expansion board](https://os.mbed.com/components/X-NUCLEO-IDW01M1/) +- [IDW01M1_Cloud_IBM](https://os.mbed.com/teams/ST/code/IDW01M1_Cloud_IBM/)
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/X_NUCLEO_IDW01M1v2.lib Tue Oct 31 18:41:30 2017 +0800 @@ -0,0 +1,1 @@ +https://developer.mbed.org/teams/ST/code/X_NUCLEO_IDW01M1v2/#0368732b5b9d
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Tue Oct 31 18:41:30 2017 +0800
@@ -0,0 +1,195 @@
+#include "mbed.h"
+#include "BME280.hpp"
+#include "SpwfInterface.h"
+#include "TCPSocket.h"
+#include "MQTTClient.h"
+#include "MQTTWiFi.h"
+
+// MQTT use
+#define MQTT_MAX_PACKET_SIZE 250
+#define MQTT_MAX_PAYLOAD_SIZE 300
+//Configuration value needed to connect Red-node
+#define BROKER_URL "192.168.0.10";
+#define MQTT_PORT 1883
+//MQTT use Topic
+#define TOPIC "temp"
+
+
+//Wifi network
+#define SSID "megu megu fire"
+#define PASSW "66666667"
+
+DigitalOut myled(LED1);
+BME280 bmpSensor;
+
+int connack_rc = 0; // MQTT connack return code
+const char * ip_addr = "";
+char *host_addr = "";
+bool netConnecting = false;
+int connectTimeout = 1000;
+bool mqttConnecting = false;
+bool netConnected = false;
+bool connected = false;
+int retryAttempt = 0;
+char subscription_url[MQTT_MAX_PAYLOAD_SIZE];
+
+MQTT::Message message;
+MQTTString TopicName={TOPIC};
+MQTT::MessageData MsgData(TopicName, message);
+
+
+void subscribe_cb(MQTT::MessageData & msgMQTT) {
+ char msg[MQTT_MAX_PAYLOAD_SIZE];
+ msg[0]='\0';
+ strncat (msg, (char*)msgMQTT.message.payload, msgMQTT.message.payloadlen);
+ printf ("--->>> subscribe_cb msg: %s\n\r", msg);
+}
+int subscribe(MQTT::Client<MQTTWiFi, Countdown, MQTT_MAX_PACKET_SIZE>* client, MQTTWiFi* ipstack)
+{
+ char* pubTopic = TOPIC;
+ return client->subscribe(pubTopic, MQTT::QOS1, subscribe_cb);
+}
+
+
+int connect(MQTT::Client<MQTTWiFi, Countdown, MQTT_MAX_PACKET_SIZE>* client,MQTTWiFi* ipstack){
+ const char* host = BROKER_URL;
+
+ char hostname[strlen(host) + 1];
+ sprintf(hostname,"%s", host);
+
+ SpwfSAInterface& WiFi = ipstack->getWiFi();
+
+ //Network Debug statements
+ LOG("=====================================\n\r");
+ LOG("Connecting WiFi.\n\r");
+ LOG("Nucleo IP ADDRESS: %s\n\r", WiFi.get_ip_address());
+ LOG("Nucleo MAC ADDRESS: %s\n\r", WiFi.get_mac_address());
+ LOG("Server Hostname: %s port: %d\n\r", hostname, MQTT_PORT);
+ LOG("Topic: %s\n\r", TOPIC);
+ //need subscrie
+ LOG("=====================================\n\r");
+ netConnecting = true;
+ ipstack->open(&ipstack->getWiFi());
+ int rc = ipstack->connect(hostname,MQTT_PORT,connectTimeout);
+ if (rc != 0)
+ {
+ WARN("IP Stack connect returned: %d\n", rc);
+ return rc;
+ }
+ printf ("--->TCP Connected\n\r");
+ netConnected = true;
+ netConnecting = false;
+
+ //MQTT Connect
+ mqttConnecting = true;
+ MQTTPacket_connectData data = MQTTPacket_connectData_initializer;
+ data.MQTTVersion = 4;
+ data.struct_version =0;
+
+ if((rc = client->connect(data)) == 0){
+ connected = true;
+ printf("--->MQTT Connected\n\r");
+#ifdef SUBSCRIBE
+ if (!subscribe(client, ipstack)) printf ("--->>>MQTT subscribed to: %s\n\r",TOPIC);
+#endif
+ }else {
+ WARN("MQTT connect returned %d\n", rc);
+ }
+ if (rc >= 0)
+ connack_rc = rc;
+ mqttConnecting = false;
+ return rc;
+
+}
+int getConnTimeout(int attemptNumber)
+{ // First 10 attempts try within 3 seconds, next 10 attempts retry after every 1 minute
+ // after 20 attempts, retry every 10 minutes
+ return (attemptNumber < 10) ? 3 : (attemptNumber < 20) ? 60 : 600;
+}
+void attemptConnect(MQTT::Client<MQTTWiFi, Countdown, MQTT_MAX_PACKET_SIZE>* client, MQTTWiFi* ipstack)
+{
+ connected = false;
+
+ while (connect(client, ipstack) != MQTT_CONNECTION_ACCEPTED)
+ {
+ /*if (connack_rc == MQTT_NOT_AUTHORIZED || connack_rc == MQTT_BAD_USERNAME_OR_PASSWORD) {
+ printf ("File: %s, Line: %d Error: %d\n\r",__FILE__,__LINE__, connack_rc);
+ return; // don't reattempt to connect if credentials are wrong
+ } */
+ int timeout = getConnTimeout(++retryAttempt);
+ WARN("Retry attempt number %d waiting %d\n", retryAttempt, timeout);
+
+ // if ipstack and client were on the heap we could deconstruct and goto a label where they are constructed
+ // or maybe just add the proper members to do this disconnect and call attemptConnect(...)
+ // this works - reset the system when the retry count gets to a threshold
+ if (retryAttempt == 5)
+ NVIC_SystemReset();
+ else
+ wait(timeout);
+ }
+}
+int publish (MQTT::Client<MQTTWiFi, Countdown, MQTT_MAX_PACKET_SIZE>* client,MQTTWiFi* ipstack){
+
+
+ MQTT::Message message;
+ int data = bmpSensor.Temp_read();
+ char *pubTopic = TOPIC;
+ char buf[MQTT_MAX_PAYLOAD_SIZE];
+
+
+ printf("Temp = %d\n", data);
+ sprintf(buf,"%d",data);
+ message.qos = MQTT::QOS0;
+ message.retained = false;
+ message.dup = false;
+ message.payload = (void*)buf;
+ message.payloadlen = strlen(buf);
+
+ printf("Publishing %s\n\r", buf);
+ return client->publish(pubTopic, message);
+}
+
+int main(int argc, char const *argv[])
+{
+ myled =0;
+ /* code */
+ const char *ssid = SSID;
+ const char *seckey = PASSW;
+ //use SpwfSAInterface connect AP
+ SpwfSAInterface spwf(D8,D2, false);
+
+ printf("\r\nX-NUCLEO-IDW01M1 mbed \n");
+ printf("\r\nconnecting to AP\n");
+ //connect to Wifi
+ MQTTWiFi ipstack(spwf, ssid, seckey, NSAPI_SECURITY_WPA2);
+ //check wifi has got ip_address
+ if(ipstack.getWiFi().get_ip_address() == 0){
+ printf("Connect WiFi is failed!\nPlease check your ssid and passwd is correct");
+ return 0;
+ }
+ printf("ip: %s\n",ipstack.getWiFi().get_ip_address() );
+
+ MQTT::Client<MQTTWiFi, Countdown, MQTT_MAX_PACKET_SIZE> client(ipstack);
+ attemptConnect(&client, &ipstack);
+
+ myled=1;
+ int count = 0;
+// tyeld.start();
+ while (true)
+ {
+ if (++count == 100)
+ { // Publish a message every second
+ if (publish(&client, &ipstack) != 0) {
+ myled=0;
+ attemptConnect(&client, &ipstack); // if we have lost the connection
+ } else myled=1;
+ count = 0;
+ }
+// int start = tyeld.read_ms();
+ client.yield(10); // allow the MQTT client to receive messages
+// printf ("tyeld: %d\n\r",tyeld.read_ms()-start);
+
+ }
+
+ return 0;
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Tue Oct 31 18:41:30 2017 +0800 @@ -0,0 +1,1 @@ +https://mbed.org/users/mbed_official/code/mbed/builds/4eea097334d6
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed_settings.py Tue Oct 31 18:41:30 2017 +0800 @@ -0,0 +1,45 @@ +""" +mbed SDK +Copyright (c) 2016 ARM Limited + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + +http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. +""" + +from os.path import join, abspath, dirname + +#ROOT = abspath(join(dirname(__file__), ".")) + +############################################################################## +# Build System Settings +############################################################################## +#BUILD_DIR = abspath(join(ROOT, "build")) + +# ARM +#ARM_PATH = "C:/Program Files/ARM" + +# GCC ARM +#GCC_ARM_PATH = "" + +# GCC CodeRed +#GCC_CR_PATH = "C:/code_red/RedSuite_4.2.0_349/redsuite/Tools/bin" + +# IAR +#IAR_PATH = "C:/Program Files (x86)/IAR Systems/Embedded Workbench 7.0/arm" + +# Goanna static analyser. Please overload it in private_settings.py +#GOANNA_PATH = "c:/Program Files (x86)/RedLizards/Goanna Central 3.2.3/bin" + +#BUILD_OPTIONS = [] + +# mbed.org username +#MBED_ORG_USER = ""
Binary file mbed_settings.pyc has changed