Kay Pee / Mbed 2 deprecated IoT_W5500_MQTT

IoT sensor/controller using STM32, W5500 ethernet, MQTT

Dependencies:   mbed WIZnet_Library Watchdog DHT MQTT DS1820

main.cpp@11:2a397ea7acc8, 2020-03-03 (annotated)

Committer:
Geekshow
Date:
Tue Mar 03 00:15:32 2020 +0000
Revision:
11:2a397ea7acc8
Parent:
10:3ad12f8d8b46
Child:
12:bcb38c1af703
Added DS18B20 temp measurement

Who changed what in which revision?

UserRevisionLine numberNew contents of line
zhangyx 0:1170747a672f 1 #include "mbed.h"
Geekshow 7:3c2222251deb 2 #include "Watchdog.h"
Geekshow 3:de9611d75590 3 //#include "rtos.h"
Geekshow 3:de9611d75590 4 //#include "pins.h"
Geekshow 4:ebaf1973d008 5 #include "WIZnetInterface.h"
Geekshow 4:ebaf1973d008 6 #include "MQTTSocket.h"
Geekshow 4:ebaf1973d008 7 #include "MQTTClient.h"
Geekshow 3:de9611d75590 8
Geekshow 3:de9611d75590 9 // ========== PIN DEFINITIONS ============
Geekshow 6:4d30bc5a8076 10 // TODO move pin definitions into separate file
Geekshow 4:ebaf1973d008 11 #define LED_GREEN PA_5
Geekshow 4:ebaf1973d008 12 #define LED_ORANGE PA_1 // Don't use! Shared with D3
Geekshow 3:de9611d75590 13 #define BUTTON PC_9
Geekshow 3:de9611d75590 14
Geekshow 6:4d30bc5a8076 15 #define A_0 PC_0 // Analogue Input 0
Geekshow 6:4d30bc5a8076 16 #define A_1 PC_1 // Analogue Input 1
Geekshow 6:4d30bc5a8076 17 #define A_2 PC_2 // Analogue Input 2
Geekshow 6:4d30bc5a8076 18 #define A_3 PC_3 // Analogue Input 3
Geekshow 6:4d30bc5a8076 19 #define A_4 PC_4 // Analogue Input 4
Geekshow 6:4d30bc5a8076 20 #define A_5 PC_5 // Analogue Input 5
Geekshow 3:de9611d75590 21
Geekshow 6:4d30bc5a8076 22 #define D_0 PA_3 // digital output D0
Geekshow 6:4d30bc5a8076 23 #define D_1 PA_2 // digital output D1
Geekshow 6:4d30bc5a8076 24 #define D_2 PA_0 // digital output D2
Geekshow 6:4d30bc5a8076 25 #define D_3 PA_1 // digital output D3
Geekshow 6:4d30bc5a8076 26 #define D_4 PB_5 // digital output D4
Geekshow 6:4d30bc5a8076 27 #define D_5 PB_6 // digital output D5
Geekshow 6:4d30bc5a8076 28 #define D_6 PA_8 // digital output D6
Geekshow 6:4d30bc5a8076 29 #define D_7 PA_9 // digital output D7
Geekshow 6:4d30bc5a8076 30 #define D_8 PA_10 // digital output D8
Geekshow 6:4d30bc5a8076 31 #define D_9 PB_7 // digital output D9
Geekshow 6:4d30bc5a8076 32 #define D_10 PA_4 // digital output D10 - SPI1 SS
Geekshow 6:4d30bc5a8076 33 #define D_11 PA_4 // digital output D11 - SPI1 MOSI
Geekshow 6:4d30bc5a8076 34 #define D_12 PA_4 // digital output D12 - SPI1 MISO
Geekshow 6:4d30bc5a8076 35 //#define D_13 PA_4 // digital output D13 - SPI1 CLK - GREEN LED
Geekshow 6:4d30bc5a8076 36 #define D_14 PB_8 // digital output D14
Geekshow 8:6d7be3bed961 37 #define D_35 PC_6 // pin 13 on Extension
Geekshow 8:6d7be3bed961 38 #define D_36 PC_7 // pin 14 on Extension
Geekshow 8:6d7be3bed961 39 #define D_37 PC_8 // pin 15 on Extension (last)
Geekshow 3:de9611d75590 40 // ================= *************** ==================
Geekshow 8:6d7be3bed961 41 #define USART3_TX PC_10 // D26 - pin 4 on Extension
Geekshow 6:4d30bc5a8076 42 // ================= *************** ==================
Geekshow 6:4d30bc5a8076 43 // serial output? for uLCD
Geekshow 6:4d30bc5a8076 44 // ================= *************** ==================
Geekshow 8:6d7be3bed961 45 // sensor inputs
Geekshow 11:2a397ea7acc8 46 #include "DS1820.h"
Geekshow 11:2a397ea7acc8 47 #define MAX_PROBES 4
Geekshow 11:2a397ea7acc8 48 #define ONEWIRE_PIN PB_11 // D30 pin 6 on UEXT // pin 8 on Extension
Geekshow 11:2a397ea7acc8 49 DS1820* probe[MAX_PROBES];
Geekshow 11:2a397ea7acc8 50 #include "DHT.h"
Geekshow 11:2a397ea7acc8 51 #define DHT_PIN PB_10 // D29 pin 5 on UEXT // pin 7 on Extension
Geekshow 3:de9611d75590 52 // ================= *************** ==================
Geekshow 4:ebaf1973d008 53 #define NODE_NAME "controller03" // TODO just define node number
Geekshow 3:de9611d75590 54
Geekshow 6:4d30bc5a8076 55 #define NUM_OUTPUTS 8
Geekshow 6:4d30bc5a8076 56 DigitalOut outputs[NUM_OUTPUTS] = {D_0, D_1, D_2, D_3, D_4, D_5, D_6, D_7};
Geekshow 6:4d30bc5a8076 57 #define NUM_INPUTS 6
Geekshow 6:4d30bc5a8076 58 DigitalIn inputs[NUM_INPUTS] = {PC_0, PC_1, PC_2, PC_3, PC_4, PC_5};
Geekshow 6:4d30bc5a8076 59 bool input_state[NUM_INPUTS];
Geekshow 6:4d30bc5a8076 60
Geekshow 6:4d30bc5a8076 61 Serial pc(USART3_TX, NC); // serial debug output on D26 (pin 4 of Extension)
Geekshow 6:4d30bc5a8076 62 //Serial pc(PA_9, NC); // serial debug output on D7
Geekshow 6:4d30bc5a8076 63 //Serial xxxxxx // find a serial port for Amp/uLCD connection
Geekshow 6:4d30bc5a8076 64
Geekshow 6:4d30bc5a8076 65 DigitalIn button(BUTTON);
Geekshow 6:4d30bc5a8076 66 DigitalOut led(LED_GREEN);
Geekshow 6:4d30bc5a8076 67
Geekshow 11:2a397ea7acc8 68 DHT dht0(DHT_PIN, DHT22);
Geekshow 11:2a397ea7acc8 69 float temp[1];
Geekshow 11:2a397ea7acc8 70 float humidity[1];
Geekshow 9:a8098e772b48 71
Geekshow 7:3c2222251deb 72 Watchdog wd;
Geekshow 6:4d30bc5a8076 73 Ticker tick_60sec;
Geekshow 5:b2ae1ed8a30e 74 Ticker tick_5sec;
Geekshow 5:b2ae1ed8a30e 75 Ticker tick_1sec;
Geekshow 6:4d30bc5a8076 76 Ticker tick_500ms;
Geekshow 6:4d30bc5a8076 77
Geekshow 6:4d30bc5a8076 78 bool flag_publish;
Geekshow 11:2a397ea7acc8 79 bool flag_read_dht;
Geekshow 11:2a397ea7acc8 80 bool flag_read_ds18b20;
Geekshow 4:ebaf1973d008 81
Geekshow 4:ebaf1973d008 82 typedef MQTT::Client<MQTTSocket,Countdown> MClient;
Geekshow 4:ebaf1973d008 83
Geekshow 6:4d30bc5a8076 84 const char* ONOFF[] = {"ON", "OFF"};
Geekshow 4:ebaf1973d008 85 const char* OPENCLOSED[] = {"CLOSED", "OPEN"};
Geekshow 6:4d30bc5a8076 86 enum IO_STATE{IO_ON, IO_OFF};
Geekshow 4:ebaf1973d008 87
Geekshow 5:b2ae1ed8a30e 88 uint8_t mac_addr[6]={0x00, 0x00, 0x00, 0xBE, 0xEF, 0x03}; // TODO make last byte dynamic
Geekshow 8:6d7be3bed961 89 //const char* mqtt_broker = "192.168.10.4";
Geekshow 8:6d7be3bed961 90 const char* mqtt_broker = "192.168.1.99";
Geekshow 5:b2ae1ed8a30e 91 const int mqtt_port = 1883;
Geekshow 5:b2ae1ed8a30e 92 unsigned long uptime_sec = 0;
Geekshow 6:4d30bc5a8076 93 int connected = -1;
Geekshow 5:b2ae1ed8a30e 94
Geekshow 5:b2ae1ed8a30e 95
Geekshow 4:ebaf1973d008 96
Geekshow 6:4d30bc5a8076 97 void on_control_cmd(const char* topic, const char* message)
zhangyx 0:1170747a672f 98 {
Geekshow 4:ebaf1973d008 99 int new_state = 0;
Geekshow 6:4d30bc5a8076 100 pc.printf("Received CMD %s %s\r\n", topic, message);
Geekshow 6:4d30bc5a8076 101 // find out command first
Geekshow 6:4d30bc5a8076 102 if(strcmp(message, "ON") == 0) {
Geekshow 4:ebaf1973d008 103 pc.printf("ON value requested!\r\n");
Geekshow 6:4d30bc5a8076 104 new_state = IO_ON;
Geekshow 4:ebaf1973d008 105 }
Geekshow 6:4d30bc5a8076 106 else if(strcmp(message, "OFF") == 0) {
Geekshow 4:ebaf1973d008 107 pc.printf("OFF value requested!\r\n");
Geekshow 6:4d30bc5a8076 108 new_state = IO_OFF;
Geekshow 4:ebaf1973d008 109 }
Geekshow 4:ebaf1973d008 110 else {
Geekshow 6:4d30bc5a8076 111 pc.printf("Unknown command value specified!\r\n"); // TODO return current value on no message
Geekshow 4:ebaf1973d008 112 return;
Geekshow 4:ebaf1973d008 113 }
Geekshow 6:4d30bc5a8076 114 // are we updating an output?
Geekshow 6:4d30bc5a8076 115 if(strncmp(topic, "output", 6) == 0) {
Geekshow 6:4d30bc5a8076 116 // find out which output to apply it to
Geekshow 6:4d30bc5a8076 117 int output_num = int(topic[6])-48;
Geekshow 6:4d30bc5a8076 118 if(output_num >= NUM_OUTPUTS) {
Geekshow 6:4d30bc5a8076 119 pc.printf("ERROR: unknown output num %d\r\n", output_num);
Geekshow 6:4d30bc5a8076 120 }
Geekshow 6:4d30bc5a8076 121 else {
Geekshow 6:4d30bc5a8076 122 // turn something on/off!
Geekshow 6:4d30bc5a8076 123 pc.printf("Output: %d updated to %s\r\n", output_num, ONOFF[new_state]);
Geekshow 6:4d30bc5a8076 124 outputs[output_num] = new_state;
Geekshow 10:3ad12f8d8b46 125 flag_publish = 1; // workaround for below
Geekshow 10:3ad12f8d8b46 126 // publish_value(client, topic, ONOFF[new_state], false); // needs to access client :-/
Geekshow 6:4d30bc5a8076 127 }
Geekshow 6:4d30bc5a8076 128 }
Geekshow 6:4d30bc5a8076 129 else {
Geekshow 6:4d30bc5a8076 130 pc.printf("ERROR: Couldn't parse topic: %s\r\n", topic);
Geekshow 4:ebaf1973d008 131 }
Geekshow 4:ebaf1973d008 132 }
Geekshow 4:ebaf1973d008 133
Geekshow 4:ebaf1973d008 134 int publish(MClient& client, const char* msg_type, const char* point,
Geekshow 4:ebaf1973d008 135 const char* payload = NULL, size_t payload_len = 0,
Geekshow 4:ebaf1973d008 136 bool retain = false, MQTT::QoS qos = MQTT::QOS1){
Geekshow 4:ebaf1973d008 137 char topic[64];
Geekshow 4:ebaf1973d008 138 sprintf(topic, "%s/" NODE_NAME "/%s", msg_type, point);
Geekshow 4:ebaf1973d008 139 int ret = client.publish(topic, (void*)payload, payload_len, qos, retain);
Geekshow 4:ebaf1973d008 140 if(ret == -1) {
Geekshow 4:ebaf1973d008 141 pc.printf("ERROR during client.publish() = %d\r\n",ret);
Geekshow 4:ebaf1973d008 142 }
Geekshow 4:ebaf1973d008 143 return ret;
zhangyx 0:1170747a672f 144 }
zhangyx 2:a50b794b8ede 145
Geekshow 4:ebaf1973d008 146
Geekshow 4:ebaf1973d008 147 void messageArrived(MQTT::MessageData& md)
Geekshow 3:de9611d75590 148 {
Geekshow 6:4d30bc5a8076 149 // MQTT callback function
Geekshow 4:ebaf1973d008 150 MQTT::Message &message = md.message;
Geekshow 4:ebaf1973d008 151
Geekshow 4:ebaf1973d008 152 // copy message payload into local char array IMPROVE ME!
Geekshow 4:ebaf1973d008 153 char* payload = new char[message.payloadlen+1];
Geekshow 6:4d30bc5a8076 154 if(!payload) // will this ever happen?
Geekshow 4:ebaf1973d008 155 return;
Geekshow 4:ebaf1973d008 156 memcpy(payload, message.payload, message.payloadlen);
Geekshow 4:ebaf1973d008 157 payload[message.payloadlen]='\0';
Geekshow 4:ebaf1973d008 158
Geekshow 4:ebaf1973d008 159 // copy topic payload into local char array IMPROVE ME!
Geekshow 4:ebaf1973d008 160 char* topic = new char[md.topicName.lenstring.len+1];
Geekshow 6:4d30bc5a8076 161 if(!topic){ // will this ever happen?
Geekshow 4:ebaf1973d008 162 delete[] payload;
Geekshow 4:ebaf1973d008 163 return;
Geekshow 4:ebaf1973d008 164 }
Geekshow 4:ebaf1973d008 165 memcpy(topic, md.topicName.lenstring.data, md.topicName.lenstring.len);
Geekshow 4:ebaf1973d008 166 topic[md.topicName.lenstring.len]='\0';
Geekshow 4:ebaf1973d008 167
Geekshow 4:ebaf1973d008 168 pc.printf("Rcvd: %s : %s\r\n", topic, payload);
Geekshow 4:ebaf1973d008 169
Geekshow 6:4d30bc5a8076 170 // find first delimiter in topic string
Geekshow 4:ebaf1973d008 171 char *topics = strtok (topic,"/");
Geekshow 4:ebaf1973d008 172 for (int tok=0; tok<2 && topics != NULL; tok++) // WARNING! hard coded 2 layer topic!
Geekshow 4:ebaf1973d008 173 {
Geekshow 6:4d30bc5a8076 174 // pc.printf ("Topics %d: %s\r\n",tok, topics);
Geekshow 4:ebaf1973d008 175 topics = strtok (NULL, "/");
Geekshow 4:ebaf1973d008 176 }
Geekshow 4:ebaf1973d008 177 on_control_cmd(topics, payload);
Geekshow 4:ebaf1973d008 178 delete[] topic;
Geekshow 4:ebaf1973d008 179 delete[] payload;
Geekshow 3:de9611d75590 180 }
Geekshow 3:de9611d75590 181
Geekshow 4:ebaf1973d008 182
Geekshow 10:3ad12f8d8b46 183 int publish_value(MClient &client, const char *topic, const char *buf, bool retain = false)
Geekshow 3:de9611d75590 184 {
Geekshow 10:3ad12f8d8b46 185 return publish(client, "stat", topic, buf, strlen(buf), retain);
Geekshow 4:ebaf1973d008 186 }
Geekshow 4:ebaf1973d008 187
Geekshow 6:4d30bc5a8076 188
Geekshow 6:4d30bc5a8076 189 void publish_outputs(MClient &client) {
Geekshow 6:4d30bc5a8076 190 for(int i=0; i<NUM_OUTPUTS; i++) {
Geekshow 6:4d30bc5a8076 191 bool output_state = outputs[i];
Geekshow 6:4d30bc5a8076 192 char topic[] = "outputx";
Geekshow 6:4d30bc5a8076 193 topic[6] = i+48;
Geekshow 6:4d30bc5a8076 194 pc.printf("Output: %s is %s\r\n", topic, ONOFF[output_state]);
Geekshow 10:3ad12f8d8b46 195 connected = publish_value(client, topic, ONOFF[output_state], false);
Geekshow 10:3ad12f8d8b46 196 }
Geekshow 10:3ad12f8d8b46 197 }
Geekshow 10:3ad12f8d8b46 198
Geekshow 10:3ad12f8d8b46 199 void publish_inputs(MClient &client) {
Geekshow 10:3ad12f8d8b46 200 for(int i=0; i<NUM_INPUTS; i++) {
Geekshow 10:3ad12f8d8b46 201 char topic_str[8]; // long enough string for inputx
Geekshow 10:3ad12f8d8b46 202 sprintf(topic_str, "input%d", i);
Geekshow 10:3ad12f8d8b46 203 connected = publish_value(client,topic_str,OPENCLOSED[input_state[i]], false);
Geekshow 6:4d30bc5a8076 204 }
Geekshow 6:4d30bc5a8076 205 }
Geekshow 6:4d30bc5a8076 206
Geekshow 6:4d30bc5a8076 207
Geekshow 6:4d30bc5a8076 208 void publish_info(MClient &client) {
Geekshow 6:4d30bc5a8076 209 // uptime
Geekshow 6:4d30bc5a8076 210 pc.printf("Uptime %d\r\n", uptime_sec);
Geekshow 6:4d30bc5a8076 211 char uptime_sec_str[12]; // long enough string for a long int
Geekshow 6:4d30bc5a8076 212 sprintf(uptime_sec_str, "%d", uptime_sec);
Geekshow 10:3ad12f8d8b46 213 connected = publish_value(client,"uptime",uptime_sec_str, false);
Geekshow 10:3ad12f8d8b46 214 // alive
Geekshow 10:3ad12f8d8b46 215 publish_value(client, "alive","ON", false);
Geekshow 6:4d30bc5a8076 216 }
Geekshow 6:4d30bc5a8076 217
Geekshow 6:4d30bc5a8076 218
Geekshow 8:6d7be3bed961 219 void read_inputs(MClient &client) {
Geekshow 6:4d30bc5a8076 220 for(int i=0; i<NUM_INPUTS; i++) {
Geekshow 6:4d30bc5a8076 221 bool old_state = input_state[i]; // save old state
Geekshow 6:4d30bc5a8076 222 input_state[i] = inputs[i]; // read new value
Geekshow 6:4d30bc5a8076 223 // pc.printf("Input %d is %d\r\n", i, input_state[i]);
Geekshow 6:4d30bc5a8076 224 if(input_state[i] != old_state) {
Geekshow 6:4d30bc5a8076 225 // input has changed state
Geekshow 6:4d30bc5a8076 226 pc.printf("Input %d changed to %s\r\n", i, OPENCLOSED[input_state[i]]);
Geekshow 6:4d30bc5a8076 227 char topic_str[8]; // long enough string for inputx
Geekshow 6:4d30bc5a8076 228 sprintf(topic_str, "input%d", i);
Geekshow 10:3ad12f8d8b46 229 connected = publish_value(client,topic_str,OPENCLOSED[input_state[i]], false);
Geekshow 6:4d30bc5a8076 230 }
Geekshow 6:4d30bc5a8076 231 }
Geekshow 6:4d30bc5a8076 232 }
Geekshow 6:4d30bc5a8076 233
Geekshow 5:b2ae1ed8a30e 234
Geekshow 11:2a397ea7acc8 235 void read_dht(MClient &client) {
Geekshow 9:a8098e772b48 236 int error = dht0.readData();
Geekshow 9:a8098e772b48 237 if (0 == error) {
Geekshow 9:a8098e772b48 238 temp[0] = dht0.ReadTemperature(CELCIUS);
Geekshow 9:a8098e772b48 239 humidity[0] = dht0.ReadHumidity();
Geekshow 11:2a397ea7acc8 240 pc.printf("Temperature: %3.1f, Humidity: %3.1f\n", temp[0], humidity[0]);
Geekshow 9:a8098e772b48 241 } else {
Geekshow 9:a8098e772b48 242 pc.printf("DHT read error: %d\n", error);
Geekshow 10:3ad12f8d8b46 243 return;
Geekshow 9:a8098e772b48 244 }
Geekshow 9:a8098e772b48 245 // convert to string and publish
Geekshow 9:a8098e772b48 246 char temp_str[6];
Geekshow 9:a8098e772b48 247 sprintf(temp_str, "%3.1f", temp[0]);
Geekshow 10:3ad12f8d8b46 248 connected = publish_value(client,"temp0",temp_str, false);
Geekshow 9:a8098e772b48 249 char humidity_str[6];
Geekshow 9:a8098e772b48 250 sprintf(humidity_str, "%3.1f", humidity[0]);
Geekshow 10:3ad12f8d8b46 251 connected = publish_value(client,"humidity0",humidity_str, false);
Geekshow 11:2a397ea7acc8 252 }
Geekshow 11:2a397ea7acc8 253
Geekshow 11:2a397ea7acc8 254
Geekshow 11:2a397ea7acc8 255 void read_ds18b20(MClient &client, int num_ds18b20) {
Geekshow 11:2a397ea7acc8 256 // Announce num of DS18B20 found
Geekshow 11:2a397ea7acc8 257 char temp_str[6];
Geekshow 11:2a397ea7acc8 258 char topic_str[6];
Geekshow 11:2a397ea7acc8 259 sprintf(temp_str, "%d", num_ds18b20);
Geekshow 11:2a397ea7acc8 260 connected = publish_value(client,"num_ds18b20",temp_str, false);
Geekshow 11:2a397ea7acc8 261 //Start temperature conversion, wait until ready
Geekshow 11:2a397ea7acc8 262 probe[0]->convertTemperature(true, DS1820::all_devices);
Geekshow 11:2a397ea7acc8 263 for (int i = 0; i<num_ds18b20; i++) {
Geekshow 11:2a397ea7acc8 264 float temp = probe[i]->temperature();
Geekshow 11:2a397ea7acc8 265 pc.printf("Device %d returns %3.3foC\r\n", i, temp);
Geekshow 11:2a397ea7acc8 266 // convert to string and publish
Geekshow 11:2a397ea7acc8 267 sprintf(temp_str, "%3.3f", temp);
Geekshow 11:2a397ea7acc8 268 sprintf(topic_str, "probetemp%d", i);
Geekshow 11:2a397ea7acc8 269 connected = publish_value(client,topic_str,temp_str, false);
Geekshow 11:2a397ea7acc8 270 }
Geekshow 9:a8098e772b48 271 }
Geekshow 8:6d7be3bed961 272
Geekshow 8:6d7be3bed961 273
Geekshow 5:b2ae1ed8a30e 274 int networking_init(MQTTSocket &sock, MClient &client, WIZnetInterface &wiz) {
Geekshow 4:ebaf1973d008 275 int ret = 0;
Geekshow 4:ebaf1973d008 276 pc.printf("\n\nNode: %s\r\n", NODE_NAME);
Geekshow 4:ebaf1973d008 277 pc.printf("%s attempting ethernet connection...\r\n", NODE_NAME);
Geekshow 4:ebaf1973d008 278 wiz.init(mac_addr); // resets the w5500
Geekshow 4:ebaf1973d008 279 if (wiz.connect() == (-1)) {
Geekshow 4:ebaf1973d008 280 pc.printf("Error getting DHCP address!!\r\n");
Geekshow 4:ebaf1973d008 281 }
Geekshow 4:ebaf1973d008 282
Geekshow 4:ebaf1973d008 283 pc.printf("IP: %s\r\n", wiz.getIPAddress());
Geekshow 5:b2ae1ed8a30e 284
Geekshow 4:ebaf1973d008 285 ret = sock.connect((char*)mqtt_broker,mqtt_port);
Geekshow 4:ebaf1973d008 286 if(ret != 0){
Geekshow 4:ebaf1973d008 287 pc.printf("failed to connect to TCP server\r\n");
Geekshow 4:ebaf1973d008 288 return 1;
Geekshow 4:ebaf1973d008 289 }
Geekshow 4:ebaf1973d008 290 pc.printf("sock.connect()=%d\r\n",ret);
Geekshow 5:b2ae1ed8a30e 291
Geekshow 4:ebaf1973d008 292 if(client.connect() != 0){
Geekshow 4:ebaf1973d008 293 pc.printf("MQTT connect failed\r\n");
Geekshow 4:ebaf1973d008 294 return -1;
Geekshow 4:ebaf1973d008 295 }
Geekshow 4:ebaf1973d008 296 pc.printf("client.connect()=%d\r\n",ret);
Geekshow 4:ebaf1973d008 297
Geekshow 4:ebaf1973d008 298 ret = client.subscribe("cmnd/" NODE_NAME "/+", MQTT::QOS1, messageArrived);
Geekshow 4:ebaf1973d008 299 pc.printf("client.subscribe()=%d\r\n", ret);
Geekshow 6:4d30bc5a8076 300 // TODO add client ID when subscribing
Geekshow 4:ebaf1973d008 301
Geekshow 4:ebaf1973d008 302 // Node online message
Geekshow 10:3ad12f8d8b46 303 publish_value(client, "alive","ON", false);
Geekshow 10:3ad12f8d8b46 304 publish_value(client, "IPAddress", wiz.getIPAddress(), true);
Geekshow 4:ebaf1973d008 305 pc.printf("Initialization done.\r\n");
Geekshow 4:ebaf1973d008 306
Geekshow 4:ebaf1973d008 307 return 0;
Geekshow 5:b2ae1ed8a30e 308 }
Geekshow 5:b2ae1ed8a30e 309
Geekshow 6:4d30bc5a8076 310 void every_60sec() {
Geekshow 6:4d30bc5a8076 311 // no waits or blocking routines here please!
Geekshow 11:2a397ea7acc8 312 flag_read_dht = 1;
Geekshow 11:2a397ea7acc8 313 flag_read_ds18b20 = 1;
Geekshow 6:4d30bc5a8076 314 }
Geekshow 6:4d30bc5a8076 315
Geekshow 6:4d30bc5a8076 316 void every_5sec() {
Geekshow 6:4d30bc5a8076 317 // no waits or blocking routines here please!
Geekshow 6:4d30bc5a8076 318 flag_publish = 1;
Geekshow 3:de9611d75590 319 }
Geekshow 3:de9611d75590 320
Geekshow 5:b2ae1ed8a30e 321 void every_second() {
Geekshow 6:4d30bc5a8076 322 // no waits or blocking routines here please!
Geekshow 5:b2ae1ed8a30e 323 uptime_sec++;
Geekshow 6:4d30bc5a8076 324 if(connected == 0) {
Geekshow 6:4d30bc5a8076 325 led = !led;
Geekshow 9:a8098e772b48 326 }
Geekshow 9:a8098e772b48 327 wd.Service(); // kick the dog before the timeout
Geekshow 9:a8098e772b48 328 }
Geekshow 6:4d30bc5a8076 329
Geekshow 6:4d30bc5a8076 330 void every_500ms() {
Geekshow 6:4d30bc5a8076 331 // no waits or blocking routines here please!
Geekshow 6:4d30bc5a8076 332 if(connected != 0) {
Geekshow 6:4d30bc5a8076 333 led = !led;
Geekshow 6:4d30bc5a8076 334 }
Geekshow 5:b2ae1ed8a30e 335 }
Geekshow 3:de9611d75590 336
Geekshow 3:de9611d75590 337 int main()
Geekshow 3:de9611d75590 338 {
Geekshow 10:3ad12f8d8b46 339 wd.Configure(20.0);
Geekshow 9:a8098e772b48 340 // WIZnetInterface wiz(PA_7, PA_6, PA_5, PA_4, NC); // SPI1 with no reset
Geekshow 11:2a397ea7acc8 341 WIZnetInterface wiz(PB_15, PB_14, PB_13, PB_12, PC_6); // SPI2 with D35 reset
Geekshow 6:4d30bc5a8076 342 MQTTSocket sock;
Geekshow 6:4d30bc5a8076 343 MClient client(sock);
Geekshow 6:4d30bc5a8076 344
Geekshow 6:4d30bc5a8076 345 tick_500ms.attach(&every_500ms, 0.5);
Geekshow 5:b2ae1ed8a30e 346 tick_1sec.attach(&every_second, 1.0);
Geekshow 11:2a397ea7acc8 347 tick_5sec.attach(&every_5sec, 5.1);
Geekshow 11:2a397ea7acc8 348 tick_60sec.attach(&every_60sec, 59);
Geekshow 6:4d30bc5a8076 349
Geekshow 6:4d30bc5a8076 350 //pulse all outputs
Geekshow 6:4d30bc5a8076 351 for(int i=0; i<NUM_OUTPUTS; i++) {
Geekshow 6:4d30bc5a8076 352 outputs[i] = IO_OFF;
Geekshow 6:4d30bc5a8076 353 wait(0.2);
Geekshow 6:4d30bc5a8076 354 }
Geekshow 10:3ad12f8d8b46 355
Geekshow 5:b2ae1ed8a30e 356 pc.printf("\n\nNode: %s\r\n", NODE_NAME);
Geekshow 6:4d30bc5a8076 357
Geekshow 10:3ad12f8d8b46 358 wd.Service(); // kick the dog before the timeout
Geekshow 5:b2ae1ed8a30e 359 connected = networking_init(sock, client, wiz);
Geekshow 11:2a397ea7acc8 360
Geekshow 11:2a397ea7acc8 361 // Initialize DS18B20 probe array to DS1820 objects
Geekshow 11:2a397ea7acc8 362 int num_ds18b20 = 0;
Geekshow 11:2a397ea7acc8 363 while(DS1820::unassignedProbe(ONEWIRE_PIN)) {
Geekshow 11:2a397ea7acc8 364 probe[num_ds18b20] = new DS1820(ONEWIRE_PIN);
Geekshow 11:2a397ea7acc8 365 num_ds18b20++;
Geekshow 11:2a397ea7acc8 366 if (num_ds18b20 == MAX_PROBES)
Geekshow 11:2a397ea7acc8 367 break;
Geekshow 11:2a397ea7acc8 368 }
Geekshow 11:2a397ea7acc8 369 pc.printf("DS18B20: Found %d device(s)\r\n", num_ds18b20);
Geekshow 5:b2ae1ed8a30e 370
Geekshow 3:de9611d75590 371 while(1) {
Geekshow 6:4d30bc5a8076 372 read_inputs(client);
Geekshow 5:b2ae1ed8a30e 373
Geekshow 5:b2ae1ed8a30e 374 if(connected != 0) {
Geekshow 5:b2ae1ed8a30e 375 pc.printf("Restarting network....\r\n");
Geekshow 6:4d30bc5a8076 376 connected = networking_init(sock, client, wiz);
Geekshow 6:4d30bc5a8076 377 }
Geekshow 6:4d30bc5a8076 378 else {
Geekshow 6:4d30bc5a8076 379 // we're connected, do stuff!
Geekshow 6:4d30bc5a8076 380 if(flag_publish) {
Geekshow 6:4d30bc5a8076 381 publish_outputs(client);
Geekshow 10:3ad12f8d8b46 382 publish_inputs(client);
Geekshow 6:4d30bc5a8076 383 publish_info(client);
Geekshow 6:4d30bc5a8076 384 flag_publish = 0;
Geekshow 6:4d30bc5a8076 385 }
Geekshow 11:2a397ea7acc8 386 else if(flag_read_dht) {
Geekshow 11:2a397ea7acc8 387 read_dht(client);
Geekshow 11:2a397ea7acc8 388 flag_read_dht = 0;
Geekshow 11:2a397ea7acc8 389 }
Geekshow 11:2a397ea7acc8 390 else if(flag_read_ds18b20) {
Geekshow 11:2a397ea7acc8 391 read_ds18b20(client, num_ds18b20);
Geekshow 11:2a397ea7acc8 392 flag_read_ds18b20 = 0;
Geekshow 9:a8098e772b48 393 }
zhangyx 0:1170747a672f 394 }
Geekshow 7:3c2222251deb 395
Geekshow 10:3ad12f8d8b46 396 client.yield(50); // pause a while, yawn......
zhangyx 0:1170747a672f 397 }
zhangyx 0:1170747a672f 398 }