delish
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ladyada
parent
0152ac91cb
commit
c79e6e82ea
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#include <Adafruit_Watchdog.h>
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#include <Adafruit_CC3000.h>
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#include <ccspi.h>
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#include <SPI.h>
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#include "mqtt_config.h"
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#define STATICIP 1
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uint16_t checkFirmwareVersion(void);
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bool displayConnectionDetails(void);
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extern Adafruit_CC3000 cc3000;
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boolean CC3000connect(void) {
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Watchdog.reset();
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// Check for compatible firmware
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if (checkFirmwareVersion() < 0x113) halt("Wrong firmware version!");
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// Delete any old connection data on the module
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Serial.println(F("\nDeleting old connection profiles"));
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if (!cc3000.deleteProfiles()) halt("Failed!");
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#ifdef STATICIP
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Serial.println(F("Setting static IP"));
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uint32_t ipAddress = cc3000.IP2U32(10, 0, 1, 19);
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uint32_t netMask = cc3000.IP2U32(255, 255, 255, 0);
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uint32_t defaultGateway = cc3000.IP2U32(10, 0, 1, 1);
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uint32_t dns = cc3000.IP2U32(8, 8, 4, 4);
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if (!cc3000.setStaticIPAddress(ipAddress, netMask, defaultGateway, dns)) {
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Serial.println(F("Failed to set static IP!"));
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while(1);
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}
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#endif
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// Attempt to connect to an access point
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Serial.print(F("\nAttempting to connect to "));
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Serial.print(WLAN_SSID); Serial.print(F("..."));
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Watchdog.disable();
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// try 3 times
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if (!cc3000.connectToAP(WLAN_SSID, WLAN_PASS, WLAN_SECURITY, 3)) {
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return false;
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}
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Watchdog.enable(8000);
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Serial.println(F("Connected!"));
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uint8_t retries;
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#ifndef STATICIP
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/* Wait for DHCP to complete */
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Serial.println(F("Requesting DHCP"));
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retries = 10;
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while (!cc3000.checkDHCP())
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{
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Watchdog.reset();
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delay(1000);
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retries--;
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if (!retries) return false;
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}
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#endif
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/* Display the IP address DNS, Gateway, etc. */
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retries = 10;
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while (! displayConnectionDetails()) {
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Watchdog.reset();
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delay(1000);
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retries--;
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if (!retries) return false;
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}
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Watchdog.reset();
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return true;
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}
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/**************************************************************************/
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/*!
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@brief Tries to read the CC3000's internal firmware patch ID
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*/
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/**************************************************************************/
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uint16_t checkFirmwareVersion(void)
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{
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uint8_t major, minor;
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uint16_t version;
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if(!cc3000.getFirmwareVersion(&major, &minor))
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{
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Serial.println(F("Unable to retrieve the firmware version!\r\n"));
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version = 0;
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}
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else
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{
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Serial.print(F("Firmware V. : "));
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Serial.print(major); Serial.print(F(".")); Serial.println(minor);
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version = major; version <<= 8; version |= minor;
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}
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return version;
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}
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/**************************************************************************/
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/*!
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@brief Tries to read the IP address and other connection details
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*/
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/**************************************************************************/
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bool displayConnectionDetails(void)
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{
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uint32_t ipAddress, netmask, gateway, dhcpserv, dnsserv;
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if(!cc3000.getIPAddress(&ipAddress, &netmask, &gateway, &dhcpserv, &dnsserv))
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{
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Serial.println(F("Unable to retrieve the IP Address!\r\n"));
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return false;
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}
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else
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{
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Serial.print(F("\nIP Addr: ")); cc3000.printIPdotsRev(ipAddress);
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Serial.print(F("\nNetmask: ")); cc3000.printIPdotsRev(netmask);
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Serial.print(F("\nGateway: ")); cc3000.printIPdotsRev(gateway);
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Serial.print(F("\nDHCPsrv: ")); cc3000.printIPdotsRev(dhcpserv);
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Serial.print(F("\nDNSserv: ")); cc3000.printIPdotsRev(dnsserv);
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Serial.println();
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return true;
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}
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}
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#include <Adafruit_Watchdog.h>
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#include <Adafruit_CC3000.h>
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#include <ccspi.h>
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#include <SPI.h>
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#include "utility/debug.h"
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#include <avr/pgmspace.h>
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#include "Adafruit_MQTT.h"
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#include "Adafruit_MQTT_CC3000.h"
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#include "mqtt_config.h"
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Adafruit_CC3000 cc3000 = Adafruit_CC3000(ADAFRUIT_CC3000_CS, ADAFRUIT_CC3000_IRQ, ADAFRUIT_CC3000_VBAT, SPI_CLOCK_DIV2); // you can change this clock speed
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Adafruit_MQTT_CC3000 mqtt(&cc3000, AIO_SERVER, AIO_SERVERPORT, AIO_CLIENTNAME, AIO_KEY, AIO_PASSWORD);
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const char PHOTOCELL_FEED[] PROGMEM = "api/feeds/photocell/data/send.json";
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Adafruit_MQTT_Publish photocell = Adafruit_MQTT_Publish(&mqtt, PHOTOCELL_FEED);
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const char ONOFF_FEED[] PROGMEM = "api/feeds/onoff/data/receive.json";
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Adafruit_MQTT_Subscribe onoffbutton = Adafruit_MQTT_Subscribe(&mqtt, ONOFF_FEED);
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void setup() {
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Serial.begin(115200);
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Serial.println(F("Adafruit MQTT demo"));
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Serial.print(F("Free RAM: ")); Serial.println(getFreeRam(), DEC);
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// Initialise the CC3000 module
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Serial.print(F("\nInit the CC3000..."));
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if (!cc3000.begin())
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halt("Failed");
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mqtt.subscribe(&onoffbutton);
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while (! CC3000connect()) {
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Serial.println(F("Retrying WiFi"));
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while(1);
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}
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Serial.println(F("Connected to WiFi!"));
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//////////////////////////////
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Serial.println(F("Connecting to MQTT..."));
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int8_t ret;
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while ((ret = mqtt.connect()) != 0) {
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switch (ret) {
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case 1: Serial.println(F("Wrong protocol")); break;
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case 2: Serial.println(F("ID rejected")); break;
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case 3: Serial.println(F("Server unavail")); break;
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case 4: Serial.println(F("Bad user/pass")); break;
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case 5: Serial.println(F("Not authed")); break;
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case 6: Serial.println(F("Failed to subscribe")); break;
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default: {
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Serial.println(F("Connection failed"));
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CC3000connect(); // y0w, lets connect to wifi again
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return; // restart the loop
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}
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}
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Serial.println(F("Retrying MQTT connection"));
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delay(5000);
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}
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//////////////////////////////
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Serial.println(F("MQTT Connected!"));
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}
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uint32_t x=0;
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void loop() {
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Adafruit_MQTT_Subscribe *subscription;
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Watchdog.reset();
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// Try to ping the MQTT server
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/*
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if (! mqtt.ping(3) ) {
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// MQTT pings failed, lets reconnect
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}
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*/
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// this is our 'wait for incoming subscription packets' busy subloop
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while (subscription = mqtt.readSubscription(1000)) {
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if (subscription == &onoffbutton) {
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Serial.print(F("Got: "));
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Serial.println((char *)onoffbutton.lastread);
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}
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}
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// Now we can publish stuff!
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Serial.print(F("\nSending photocell val "));
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Serial.print(x);
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Serial.print("...");
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if (! photocell.publish(x++)) {
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Serial.println(F("Failed"));
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} else {
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Serial.println(F("OK!"));
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}
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}
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@ -0,0 +1,42 @@
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#define IDLE_TIMEOUT_MS 5000
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/*************************** CC3000 Pins ***********************************/
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// These are the interrupt and control pins
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#define ADAFRUIT_CC3000_IRQ 2 // MUST be an interrupt pin!
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// These can be any two pins
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#define ADAFRUIT_CC3000_VBAT 8
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#define ADAFRUIT_CC3000_CS 10
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// Use hardware SPI for the remaining pins
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// On an UNO, SCK = 13, MISO = 12, and MOSI = 11
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/************************* WiFi Access Point *********************************/
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#define WLAN_SSID "" // cannot be longer than 32 characters!
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#define WLAN_PASS ""
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// Security can be WLAN_SEC_UNSEC, WLAN_SEC_WEP, WLAN_SEC_WPA or WLAN_SEC_WPA2
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#define WLAN_SECURITY WLAN_SEC_WPA2
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/************************* Adafruit.io Setup *********************************/
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const char AIO_SERVER[] PROGMEM = "io.adafruit.com";
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#define AIO_SERVERPORT 1883
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const char AIO_CLIENTNAME[] PROGMEM = "huzzah";
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const char AIO_KEY[] PROGMEM = "";
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const char AIO_PASSWORD[] PROGMEM = "";
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const char DBG_SERVER[] PROGMEM = "apt.adafruit.com";
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#define DBG_SERVERPORT 1883
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const char DBG_CLIENTNAME[] PROGMEM = "huzzah";
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const char DBG_KEY[] PROGMEM = "";
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const char DBG_PASSWORD[] PROGMEM = "";
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#define halt(s) { Serial.println(F( s )); while(1); }
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#define println_P(s) { for (uint8_t i=0; i<strlen_P(s); i++) { Serial.write(pgm_read_byte(s+i)); } }
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boolean CC3000connect(void);
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