2020_09_25_mqtt
Dependencies: HTS221 VL53L0X BSP_B-L475E-IOT01 MQTT
Revision 3:1da698331ec8, committed 2021-02-23
- Comitter:
- PINGTING
- Date:
- Tue Feb 23 11:14:09 2021 +0000
- Parent:
- 2:a21eb3abb874
- Commit message:
- 2021_02_23
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
| mbed_app.json | Show annotated file Show diff for this revision Revisions of this file |
--- a/main.cpp Sat Jan 04 16:47:24 2020 +0000
+++ b/main.cpp Tue Feb 23 11:14:09 2021 +0000
@@ -1,5 +1,4 @@
-/* WiFi+MQTT Example
- */
+/* WiFi+MQTT Example*/
#include "mbed.h"
#include "TCPSocket.h"
@@ -10,12 +9,12 @@
#include "MQTTmbed.h"
#include "MQTTClient.h"
#include "HTS221Sensor.h"
-//#define MQTT_HOST "demo.thingsboard.io"
-#define MQTT_HOST "192.168.43.14"
+//#define MQTT_HOST "demo.thingsboard.io"
+#define MQTT_HOST "172.20.10.6"
#define MQTT_PORT 1883
-#define MQTT_TOPIC "Pubtest"
+#define MQTT_TOPIC "Voltage"
#include <string>
-#include "VL53L0X.h"
+//#include "VL53L0X.h"
ISM43362Interface net;
// WiFiInterface *wifi;
Serial pc(USBTX,USBRX);
@@ -28,15 +27,15 @@
}
static DevI2C devI2c(PB_11,PB_10);
static DigitalOut shutdown_pin(PC_6);
-static VL53L0X range(&devI2c, &shutdown_pin, PC_7);
-Serial uart(PC_4, PC_5);//TX,RX
+//static VL53L0X range(&devI2c, &shutdown_pin, PC_7);
+Serial uart(PA_0, PA_1);//TX,RX
int idx=0;
std::string inputdata;
char ch1;
int main(void){
uart.baud(115200);
- range.init_sensor(VL53L0X_DEFAULT_ADDRESS);
+ //range.init_sensor(VL53L0X_DEFAULT_ADDRESS);
int count = 0;
printf("\r\nWiFi+MQTT Example Demo\n");
@@ -59,12 +58,12 @@
printf("\Wifi Example Done,MQTT Example Start\n");
// MQTT Example Start
- float version = 0.6;
+ //float version = 0.6;
char* publishtopic = "publishtest";
char* subscribetopic = "subscribtest";
- logMessage("HelloMQTT: version is %.2f\r\n", version);
- char assess_token[] = "uNYseQgqntIrL7q5F2tL";
+ //logMessage("HelloMQTT: version is %.2f\r\n", version);
+ //char assess_token[] = "uNYseQgqntIrL7q5F2tL";
NetworkInterface* network = &net;
if (!network) {
return -1;
@@ -84,7 +83,7 @@
MQTTPacket_connectData data = MQTTPacket_connectData_initializer;
//data.MQTTVersion = 3;
data.clientID.cstring = "mbed-sample";
- data.username.cstring = assess_token;
+ //data.username.cstring = assess_token;
//data.password.cstring = "";
if ((rc = client.connect(data)) != 0)
logMessage("rc from MQTT connect is %d\r\n", rc);
@@ -98,61 +97,34 @@
printf("successfully connect!\n\n");
- // Initialize sensors --------------------------------------------------
-
- //uint8_t id;
- //DevI2C i2c_2(PB_11, PB_10);
- //HTS221Sensor hum_temp(&i2c_2);
-
- // hum_temp.init(NULL);
- //hum_temp.enable();
- //hum_temp.read_id(&id);
-
- //printf("HTS221 humidity & temperature sensor = 0x%X\r\n", id);
- //std::string inputdata;
- //inputdata="{\"PM2.5\":10,\"PM10\":20,\"temperature\":20,\"humidity\":45}";
+// Initialize sensors --------------------------------------------------
+
+ std::string inputdata;
while (1) {
-
- //buffer variables
-char ch;
-//if data is ready in the buffer
-while (uart.readable()) {
-//read 1 character
-
-ch = uart.getc();
-//pc.printf("datacomming:%c",ch);
-/////Pm25///////
-
-if (ch == 's') {
-//so the pointer should be set to the first position
-inputdata.clear();
-//pc.printf("start string");
-}
-//write buffer character to big buffer string
-inputdata += ch;
-//pc.printf("input string:%s",inputdata);
-//if the character is # than the end of the sentence is
-//reached and some stuff has to be done
-if (ch == '#') {
-//remove start and stop characters
-inputdata.erase(0,1);
-inputdata.erase(inputdata.length()-1,1);
-pc.printf("%s",inputdata);
-char msg[inputdata.size()+1];
+ char ch;
+ while (uart.readable()) {
+ ch = uart.getc();
+ if (ch == 's') {
+ inputdata.clear();
+ }
+ inputdata += ch;
+ if (ch == '#') {
+ inputdata.erase(0,1);
+ inputdata.erase(inputdata.length()-1,1);
+ pc.printf("%s\r\n",inputdata);
+ char msg[inputdata.size()+1];
inputdata.copy(msg,inputdata.size()+1);
msg[inputdata.size()]='\0';
int n=strlen(msg);
- void *payload = reinterpret_cast<void*>(msg);
- size_t payload_len = n;
-
- printf("publish to: %s %d %s\r\n", MQTT_HOST, MQTT_PORT, MQTT_TOPIC);
+ void *payload = reinterpret_cast<void*>(msg);
+ size_t payload_len = n;
+ //printf("publish to: %s %d %s\r\n", MQTT_HOST, MQTT_PORT,MQTT_TOPIC);
- if (client.publish(MQTT_TOPIC, payload, n) < 0) {
- printf("failed to publish MQTT message");
+ if(client.publish(MQTT_TOPIC, payload, n) < 0) {
+ printf("failed to publish MQTT message");
+ }
}
- }
-}
-
+ }
}
--- a/mbed_app.json Sat Jan 04 16:47:24 2020 +0000
+++ b/mbed_app.json Tue Feb 23 11:14:09 2021 +0000
@@ -7,11 +7,11 @@
},
"wifi-ssid": {
"help": "WiFi SSID",
- "value": "\"note9\""
+ "value": "\"Pananpi\""
},
"wifi-password": {
"help": "WiFi Password",
- "value": "\"12345678\""
+ "value": "\"iloveyourmother\""
},
"api-key":{
"help": "REST API Key for Treasure Data",