Paul Staron
Firebase example. demonstrating PUT, POST and GET functions. Requires target MCU with at least 280kB Flash/33kB RAM. Tested on STM32F767 and STM32F446 boards using ETHERNET (STM32F767) and ESP8266 WIFI. Edit the mbed_app.json file to change interface, currently set to ESP8266 WIFI at 460800 baud, the default is 115200 baud. however its much more responsive at 460800 if you can use the AT command AT+UART_DEF? (see Espressif instruction set). Using TLSSocket reuse function(default) or can be set to open a new socket per request. Random dummy sensor values are used, just add some real sensors and edit the getSENSORS function. The data format is .json style and need to be wrapped in curly braces. Go to: https://firebase.google.com/products/realtime-database/ and set up a real-time database, takes a couple of minutes, and get your Project ID and Web API key from the Database/settings page. These are entered in the Firebase.h file. Added NTP RTC time set function.
Dependencies: NTPclient Firebase-https
Revision 1:7f0e80fcb3a0, committed 2020-03-08
- Comitter:
- star297
- Date:
- Sun Mar 08 14:45:02 2020 +0000
- Parent:
- 0:76248fdccc2a
- Commit message:
- Added NTP set RTC function.
Changed in this revision
--- a/Firebase-https.lib Thu Jan 23 22:33:09 2020 +0000 +++ b/Firebase-https.lib Sun Mar 08 14:45:02 2020 +0000 @@ -1,1 +1,1 @@ -https://os.mbed.com/users/star297/code/Firebase-https/#768ae9838086 +https://os.mbed.com/users/star297/code/Firebase-https/#4f2c1fcc6fb6
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/NTPclient.lib Sun Mar 08 14:45:02 2020 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/star297/code/NTPclient/#3854dc7bd4de
--- a/main.cpp Thu Jan 23 22:33:09 2020 +0000
+++ b/main.cpp Sun Mar 08 14:45:02 2020 +0000
@@ -1,10 +1,11 @@
#include "mbed.h"
#include "Firebase.h"
#include "trng_api.h"
+#include "NTPclient.h"
DigitalOut led1(LED1,0);
-DigitalOut led2(LED2,0);
-DigitalOut led3(LED3,0);
+DigitalOut led2(LED1,0);
+DigitalOut led3(LED1,0);
char dataPUT[200]; // PUT data container
char dataPOST[200]; // POST data container
@@ -16,18 +17,23 @@
int main()
{
- ThisThread::sleep_for(1000); // allow time to reset
+ ThisThread::sleep_for(100); // allow time to reset
printf("\033[0m\033[2J\033[H\n ----- Firebase Example -----\r\n\n\n");
printf("Initialise!\r\n\n");
-
- // Need to set the date/time here first eg, SNTP server
-
+
// connect to the default connection access point
- network = connect_to_default_network_interface();
- if (!network) {
- printf("Cannot connect to the network, see serial output\n");
- return 1;
- }
+ net = connect_to_default_network_interface();
+
+ // get NTP time and set RTC
+ NTPclient ntp(*net);
+ printf("\nConnecting to NTP server..\n");
+ // NTP server address, timezone offset in seconds +/-, enable DST, set RTC
+ if(ntp.getNTP("0.pool.ntp.org",0,1,1)){
+ time_t seconds = time(NULL);
+ printf("System time set by NTP: %s\n\n", ctime(&seconds));
+ }
+ else{printf("No NTP could not set RTC !!\n\n");
+ }
printf("\nConnecting TLS re-use socket...!\n\n");
TLSSocket* socket = new TLSSocket();
@@ -47,7 +53,7 @@
if(RTCsecond%10==0){PUTdata=1;} // PUT 10 second counter
if(RTCsecond==0){GETdata=1;} // GET minute counter
- if(RTCminute==0 && RTCsecond==0){POSTdata=1;} // POST hour counter
+ if(RTCminute==0 && RTCsecond==0){POSTdata=1;} // POST hour counter
if(PUTdata){ // PUT data to Firebase, initialise a data block the updates it on subsiquent PUT's
led3=1;
@@ -74,7 +80,7 @@
if(GETdata){ // retrieve data from Firebase
led2=1;
strcpy(FirebaseUrl, FirebaseID); // Firebase account ID
- strcat(FirebaseUrl, "/Test/Current/.json?auth="); // bit in the middle to send .json data and authority
+ strcat(FirebaseUrl, "/Mill/Current/.json?auth="); // bit in the middle to send .json data and authority
strcat(FirebaseUrl, FirebaseAuth); // Firebase account authorisation key
printf("\nGET current... time: %s\n",timebuff);
printf("%s \n\n",getFirebase((char*)FirebaseUrl));
@@ -88,13 +94,13 @@
{
// dummy sensor values, change these if you add real sensors eg, BME280, DS1820 etc.
// STM32F7 trng
- RCC->AHB2ENR |= RCC_AHB2ENR_RNGEN; // Enable RNG clock source
- RNG->CR |= RNG_CR_RNGEN; // RNG Peripheral enable
- while (!(RNG->SR & (RNG_SR_DRDY))); // Wait until one RNG number is ready
- int num = RNG->DR;
- num = abs(num%100);
+ //RCC->AHB2ENR |= RCC_AHB2ENR_RNGEN; // Enable RNG clock source
+ //RNG->CR |= RNG_CR_RNGEN; // RNG Peripheral enable
+ //while (!(RNG->SR & (RNG_SR_DRDY))); // Wait until one RNG number is ready
+ //int num = RNG->DR;
+ //num = abs(num%100);
- //int num = abs(rand()%100);
+ int num = abs(rand()%100);
//printf("RNG: %d\n",num);
char Temp[5][7] = {"23.80","72.50","65.00","45.30","30.60"};
--- a/mbed-os.lib Thu Jan 23 22:33:09 2020 +0000 +++ b/mbed-os.lib Sun Mar 08 14:45:02 2020 +0000 @@ -1,1 +1,1 @@ -https://github.com/ARMmbed/mbed-os/#430e64fce8098fd5e54f6de32f3f029f35dc705f +https://github.com/ARMmbed/mbed-os/#c12b433026beae5b3b769c27941bc6d7fe5d4b27
--- a/mbed_app.json Thu Jan 23 22:33:09 2020 +0000
+++ b/mbed_app.json Sun Mar 08 14:45:02 2020 +0000
@@ -16,19 +16,26 @@
"*": {
"platform.stdio-baud-rate": 921600,
"platform.stdio-convert-newlines": true,
- "mbed-trace.enable": null,
+ "mbed-trace.enable": true,
"mbed-http.http-buffer-size": 2048,
"nsapi.default-wifi-security": "WPA_WPA2",
- "nsapi.default-wifi-ssid": "\"SSID\"",
- "nsapi.default-wifi-password": "\"PASSWORD\""
+ "nsapi.default-wifi-ssid": "\"Molino Metz\"",
+ "nsapi.default-wifi-password": "\"36693557\""
},
- "NUCLEO_F401RE": {
+ "NUCLEO_L476RG": {
"target.network-default-interface-type" : "WIFI",
"esp8266.serial-baudrate" : 460800,
"esp8266.tx" : "D8",
"esp8266.rx" : "D2",
"esp8266.provide-default" : true
},
+ "DISCO_L476VG": {
+ "target.network-default-interface-type" : "WIFI",
+ "esp8266.serial-baudrate" : 230400,
+ "esp8266.tx" : "PB_6",
+ "esp8266.rx" : "PB_7",
+ "esp8266.provide-default" : true
+ },
"NUCLEO_F446ZE": {
"target.network-default-interface-type" : "WIFI",
"esp8266.serial-baudrate" : 460800,
@@ -37,18 +44,32 @@
"esp8266.provide-default" : true
},
"NUCLEO_F767ZI": {
- "target.network-default-interface-type" : "WIFI",
+ "target.network-default-interface-type" : "ETHERNET",
+ "esp8266.serial-baudrate" : 460800,
+ "esp8266.tx" : "D1",
+ "esp8266.rx" : "D0",
+ "esp8266.provide-default" : true
+ },
+ "NUCLEO_H743Z12": {
+ "target.network-default-interface-type" : "ETHERNET",
"esp8266.serial-baudrate" : 460800,
"esp8266.tx" : "D1",
"esp8266.rx" : "D0",
"esp8266.provide-default" : true
},
"DISCO_F746NG": {
- "target.network-default-interface-type" : "WIFI",
+ "target.network-default-interface-type" : "ETHERNET",
"esp8266.serial-baudrate" : 460800,
"esp8266.tx" : "D1",
"esp8266.rx" : "D0",
"esp8266.provide-default" : true
+ },
+ "DISCO_F469NI": {
+ "target.network-default-interface-type" : "WIFI",
+ "esp8266.serial-baudrate" : 230400,
+ "esp8266.tx" : "PC_6",
+ "esp8266.rx" : "PC_7",
+ "esp8266.provide-default" : true
}
}
}