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A program for IoT demonstration with mbed, EnOcean and MQTT.
Dependencies: IBMIoTClientEthernetExample C12832 EthernetInterface MQTT USB400Serial USBHost mbed
Fork of IBMIoTClientEthernetExample by
Diff: main.cpp
- Revision:
- 12:354dbc33ecc0
- Parent:
- 11:7a6df9a2dcdc
diff -r 7a6df9a2dcdc -r 354dbc33ecc0 main.cpp --- a/main.cpp Tue Mar 10 08:24:52 2015 +0000 +++ b/main.cpp Sat Aug 08 04:23:12 2015 +0000 @@ -21,10 +21,9 @@ * *******************************************************************************/ -#include "LM75B.h" -#include "MMA7660.h" #include "MQTTClient.h" #include "MQTTEthernet.h" +#include "USB400Serial.h" #include "C12832.h" #include "Arial12x12.h" #include "rtos.h" @@ -33,10 +32,10 @@ #define __APP_SW_REVISION__ "10" // Configuration values needed to connect to IBM IoT Cloud -#define ORG "quickstart" // For a registered connection, replace with your org -#define ID "" // For a registered connection, replace with your id -#define AUTH_TOKEN "" // For a registered connection, replace with your auth-token -#define TYPE DEFAULT_TYPE_NAME // For a registered connection, replace with your type +#define ORG "CHANGE_THIS" // For a registered connection, replace with your org +#define ID "CHANGE_THIS" // For a registered connection, replace with your id +#define AUTH_TOKEN "CHANGE_THIS" // For a registered connection, replace with your auth-token +#define TYPE "CHANGE_THIS" // For a registered connection, replace with your type #define MQTT_PORT 1883 #define MQTT_TLS_PORT 8883 @@ -55,7 +54,7 @@ #include "K64F.h" #endif -bool quickstartMode = true; +bool quickstartMode = false; char org[11] = ORG; char type[30] = TYPE; char id[30] = ID; // mac without colons @@ -65,6 +64,46 @@ char* joystickPos = "CENTRE"; int blink_interval = 0; +int sensor = 0; +int humidity = 0; +int temperature = 0; + +uint8_t u8CRC8Table[256] = { + 0x00, 0x07, 0x0e, 0x09, 0x1c, 0x1b, 0x12, 0x15, + 0x38, 0x3f, 0x36, 0x31, 0x24, 0x23, 0x2a, 0x2d, + 0x70, 0x77, 0x7e, 0x79, 0x6c, 0x6b, 0x62, 0x65, + 0x48, 0x4f, 0x46, 0x41, 0x54, 0x53, 0x5a, 0x5d, + 0xe0, 0xe7, 0xee, 0xe9, 0xfc, 0xfb, 0xf2, 0xf5, + 0xd8, 0xdf, 0xd6, 0xd1, 0xc4, 0xc3, 0xca, 0xcd, + 0x90, 0x97, 0x9e, 0x99, 0x8c, 0x8b, 0x82, 0x85, + 0xa8, 0xaf, 0xa6, 0xa1, 0xb4, 0xb3, 0xba, 0xbd, + 0xc7, 0xc0, 0xc9, 0xce, 0xdb, 0xdc, 0xd5, 0xd2, + 0xff, 0xf8, 0xf1, 0xf6, 0xe3, 0xe4, 0xed, 0xea, + 0xb7, 0xb0, 0xb9, 0xbe, 0xab, 0xac, 0xa5, 0xa2, + 0x8f, 0x88, 0x81, 0x86, 0x93, 0x94, 0x9d, 0x9a, + 0x27, 0x20, 0x29, 0x2e, 0x3b, 0x3c, 0x35, 0x32, + 0x1f, 0x18, 0x11, 0x16, 0x03, 0x04, 0x0d, 0x0a, + 0x57, 0x50, 0x59, 0x5e, 0x4b, 0x4c, 0x45, 0x42, + 0x6f, 0x68, 0x61, 0x66, 0x73, 0x74, 0x7d, 0x7a, + 0x89, 0x8e, 0x87, 0x80, 0x95, 0x92, 0x9b, 0x9c, + 0xb1, 0xb6, 0xbf, 0xb8, 0xad, 0xaa, 0xa3, 0xa4, + 0xf9, 0xfe, 0xf7, 0xf0, 0xe5, 0xe2, 0xeb, 0xec, + 0xc1, 0xc6, 0xcf, 0xc8, 0xdd, 0xda, 0xd3, 0xd4, + 0x69, 0x6e, 0x67, 0x60, 0x75, 0x72, 0x7b, 0x7c, + 0x51, 0x56, 0x5f, 0x58, 0x4d, 0x4a, 0x43, 0x44, + 0x19, 0x1e, 0x17, 0x10, 0x05, 0x02, 0x0b, 0x0c, + 0x21, 0x26, 0x2f, 0x28, 0x3d, 0x3a, 0x33, 0x34, + 0x4e, 0x49, 0x40, 0x47, 0x52, 0x55, 0x5c, 0x5b, + 0x76, 0x71, 0x78, 0x7f, 0x6A, 0x6d, 0x64, 0x63, + 0x3e, 0x39, 0x30, 0x37, 0x22, 0x25, 0x2c, 0x2b, + 0x06, 0x01, 0x08, 0x0f, 0x1a, 0x1d, 0x14, 0x13, + 0xae, 0xa9, 0xa0, 0xa7, 0xb2, 0xb5, 0xbc, 0xbb, + 0x96, 0x91, 0x98, 0x9f, 0x8a, 0x8D, 0x84, 0x83, + 0xde, 0xd9, 0xd0, 0xd7, 0xc2, 0xc5, 0xcc, 0xcb, + 0xe6, 0xe1, 0xe8, 0xef, 0xfa, 0xfd, 0xf4, 0xf3 +}; + +#define proccrc8(u8CRC, u8Data) (u8CRC8Table[u8CRC ^ u8Data]) void off() { @@ -116,68 +155,6 @@ } } - -void printMenu(int menuItem) -{ - lcd.cls(); - lcd.locate(0,0); - switch (menuItem) - { - case 0: - lcd.printf("IBM IoT Cloud"); - lcd.locate(0,16); - lcd.printf("Scroll with joystick"); - break; - case 1: - lcd.printf("Go to:"); - lcd.locate(0,16); - lcd.printf("http://ibm.biz/iotqstart"); - break; - case 2: - lcd.printf("Device Identity:"); - lcd.locate(0,16); - lcd.printf("%s", id); - break; - case 3: - lcd.printf("Status:"); - lcd.locate(0,16); - lcd.printf(connected ? "Connected" : "Disconnected"); - break; - case 4: - lcd.printf("App version:"); - lcd.locate(0,16); - lcd.printf("%s",__APP_SW_REVISION__); - break; - } -} - - -void setMenu() -{ - static int menuItem = 0; - if (Down) - { - joystickPos = "DOWN"; - if (menuItem >= 0 && menuItem < 4) - printMenu(++menuItem); - } - else if (Left) - joystickPos = "LEFT"; - else if (Click) - joystickPos = "CLICK"; - else if (Up) - { - joystickPos = "UP"; - if (menuItem <= 4 && menuItem > 0) - printMenu(--menuItem); - } - else if (Right) - joystickPos = "RIGHT"; - else - joystickPos = "CENTRE"; -} - - /** * Display a message on the LCD screen prefixed with IBM IoT Cloud */ @@ -197,7 +174,7 @@ char hostname[strlen(org) + strlen(iot_ibm) + 1]; sprintf(hostname, "%s%s", org, iot_ibm); - DEBUG("hostname is %s\n", hostname); +// DEBUG("hostname is %s\n", hostname); int rc = ipstack->connect(hostname, IBM_IOT_PORT); if (rc != 0) return rc; @@ -205,7 +182,7 @@ // Construct clientId - d:org:type:id char clientId[strlen(org) + strlen(type) + strlen(id) + 5]; sprintf(clientId, "d:%s:%s:%s", org, type, id); - DEBUG("clientid is %s\n", clientId); +// DEBUG("clientid is %s\n", clientId); // MQTT Connect MQTTPacket_connectData data = MQTTPacket_connectData_initializer; @@ -223,9 +200,7 @@ connected = true; green(); displayMessage("Connected"); - wait(2); - displayMessage("Scroll with joystick"); - } + } return rc; } @@ -247,7 +222,7 @@ wait(1.0f); WARN("Ethernet link not present. Check cable connection\n"); } - + while (connect(client, ipstack) != 0) { #if defined(TARGET_K64F) @@ -276,9 +251,12 @@ char* pubTopic = "iot-2/evt/status/fmt/json"; char buf[250]; +// sprintf(buf, +// "{\"d\":{\"myName\":\"IoT mbed\",\"accelX\":%0.4f,\"accelY\":%0.4f,\"accelZ\":%0.4f,\"temp\":%0.4f,\"joystick\":\"%s\",\"potentiometer1\":%0.4f,\"potentiometer2\":%0.4f}}", +// MMA.x(), MMA.y(), MMA.z(), sensor.temp(), joystickPos, ain1.read(), ain2.read()); sprintf(buf, - "{\"d\":{\"myName\":\"IoT mbed\",\"accelX\":%0.4f,\"accelY\":%0.4f,\"accelZ\":%0.4f,\"temp\":%0.4f,\"joystick\":\"%s\",\"potentiometer1\":%0.4f,\"potentiometer2\":%0.4f}}", - MMA.x(), MMA.y(), MMA.z(), sensor.temp(), joystickPos, ain1.read(), ain2.read()); + "{\"d\":{\"sensor\":\"%02X\",\"hum\":%3.1f,\"temp\":%2.2f}}", + sensor, humidity*0.4, temperature*0.16); message.qos = MQTT::QOS0; message.retained = false; message.dup = false; @@ -289,42 +267,6 @@ return client->publish(pubTopic, message); } - -#if defined(TARGET_K64F) -int getUUID48(char* buf, int buflen) -{ - unsigned int UUID_LOC_WORD0 = 0x40048060; - unsigned int UUID_LOC_WORD1 = 0x4004805C; - - // Fetch word 0 - uint32_t word0 = *(uint32_t *)UUID_LOC_WORD0; - - // Fetch word 1 - // we only want bottom 16 bits of word1 (MAC bits 32-47) - // and bit 9 forced to 1, bit 8 forced to 0 - // Locally administered MAC, reduced conflicts - // http://en.wikipedia.org/wiki/MAC_address - uint32_t word1 = *(uint32_t *)UUID_LOC_WORD1; - word1 |= 0x00000200; - word1 &= 0x0000FEFF; - - int rc = snprintf(buf, buflen, "%4x%08x", word1, word0); // Device id must be in lower case - - return rc; -} -#else -char* getMac(EthernetInterface& eth, char* buf, int buflen) // Obtain MAC address -{ - strncpy(buf, eth.getMACAddress(), buflen); - - char* pos; // Remove colons from mac address - while ((pos = strchr(buf, ':')) != NULL) - memmove(pos, pos + 1, strlen(pos) + 1); - return buf; -} -#endif - - void messageArrived(MQTT::MessageData& md) { MQTT::Message &message = md.message; @@ -358,16 +300,13 @@ WARN("Unsupported command: %.*s\n", len, start); } - int main() -{ - quickstartMode = (strcmp(org, "quickstart") == 0); +{ +// quickstartMode = (strcmp(org, "quickstart") == 0); + lcd.set_font((unsigned char*) Arial12x12); // Set a nice font for the LCD screen + led2 = LED2_OFF; // K64F: turn off the main board LED + displayMessage("Connecting"); - lcd.set_font((unsigned char*) Arial12x12); // Set a nice font for the LCD screen - - led2 = LED2_OFF; // K64F: turn off the main board LED - - displayMessage("Connecting"); #if defined(TARGET_K64F) yellow(); // Don't flash on the K64F, because starting a thread causes the EthernetInterface init call to hang #else @@ -376,7 +315,7 @@ MQTTEthernet ipstack; MQTT::Client<MQTTEthernet, Countdown, MQTT_MAX_PACKET_SIZE> client(ipstack); - +/* if (quickstartMode) { #if defined(TARGET_K64F) @@ -385,33 +324,91 @@ getMac(ipstack.getEth(), id, sizeof(id)); #endif } - +*/ attemptConnect(&client, &ipstack); - - if (!quickstartMode) - { + +// if (!quickstartMode) +// { int rc = 0; if ((rc = client.subscribe("iot-2/cmd/+/fmt/json", MQTT::QOS1, messageArrived)) != 0) WARN("rc from MQTT subscribe is %d\n", rc); - } +// } + + USB400Serial usb400; + int i; + int dataLength; + int optionalLength; + uint8_t c; + uint8_t crc; - blink_interval = 0; - int count = 0; - while (true) - { - if (++count == 100) - { // Publish a message every second - if (publish(&client, &ipstack) != 0) - attemptConnect(&client, &ipstack); // if we have lost the connection - count = 0; + while(1) { + + while(!usb400.connect()) + wait(0.5); + + while (1) { + if (!usb400.connected()) + break; + + if (usb400.available()) { + c = usb400.getc(); + + if (c == 0x55) { + crc = 0; + + c = usb400.getc(); + crc = proccrc8(crc, c); + dataLength = c; + + c = usb400.getc(); + crc = proccrc8(crc, c); + dataLength = (dataLength << 8) | c; + + c = usb400.getc(); + crc = proccrc8(crc, c); + optionalLength = c; + + c = usb400.getc(); + crc = proccrc8(crc, c); // packet type + + c = usb400.getc(); + crc = proccrc8(crc, c); // CRC + + if (crc == 0) { + crc = 0; + + for (i = 0; i < dataLength; i++) { + c = usb400.getc(); + crc = proccrc8(crc, c); + + if (i == 4) { +// printf("Sensor: %02X ", c); + sensor = c; + } + //A5-04-01 + if (i == 6) { + humidity = c; + } + if (i == 7) { + temperature = c; + } + } +// printf("hum:%3.1f%% temp:%2.2fC\r\n", humidity*0.4, temperature*0.16); + + if (publish(&client, &ipstack) != 0) + attemptConnect(&client, &ipstack); // if we have lost the connection + + for (i = 0; i < optionalLength; i++) { + c = usb400.getc(); + crc = proccrc8(crc, c); + } + + c = usb400.getc(); + crc = proccrc8(crc, c); + + } + } + } } - - if (blink_interval == 0) - led2 = LED2_OFF; - else if (count % blink_interval == 0) - led2 = !led2; - if (count % 20 == 0) - setMenu(); - client.yield(10); // allow the MQTT client to receive messages - } + } }