M2X Ethernet demo using Seeed Ethernet W5200 Shield
Dependencies: LM75B M2XStreamClient jsonlite mbed-rtos mbed Nucleo_Sensor_Shield
Fork of m2x-seeed_ethernet_demo by
main.cpp
- Committer:
- dangriffin
- Date:
- 2014-12-17
- Revision:
- 11:40d8cfc941ed
- Parent:
- 10:8cb13d51ba2f
File content as of revision 11:40d8cfc941ed:
#include <jsonlite.h> #include "M2XStreamClient.h" #include "mbed.h" #include "WIZnetInterface.h" #include "x_cube_mems.h" #define ST_NUCLEO char feedId[] = "0c76bf26149c9c01d8eec11553d1a6f2"; // Feed you want to post to char m2xKey[] = "76ee6b8414970d7ade8c75829d0cf879"; // Your M2X access key char tempStreamName[] = "temperature"; // Stream you want to post to M2X char humidityStreamName[] = "humidity"; // Stream you want to post to M2X char name[] = "Austin"; // Name of current location of datasource double latitude = 30.3748076; double longitude = -97.7386896; // You can also read those values from a GPS double elevation = 300.00; volatile float TEMPERATURE_Value, TEMPERATURE_Value_f; volatile float HUMIDITY_Value; volatile float PRESSURE_Value; volatile AxesRaw_TypeDef MAG_Value; volatile AxesRaw_TypeDef ACC_Value; volatile AxesRaw_TypeDef GYR_Value; PwmOut mypwm(PWM_OUT); /** * Configure the SPI interfac to the ethernet module * D11 - MOSI pin * D12 - MISO pin * D13 - SCK pin * D10 - SEL pin * NC - Reset pin; use D5 otherwise the shield might get into reset loop */ SPI spi(PA_7, PA_6, PA_5); // mosi, miso, sclk WIZnetInterface eth(&spi, PB_6, PA_10); // spi, cs, reset /* Instantiate the M2X Stream Client */ Client client; M2XStreamClient m2xClient(&client, m2xKey); /* Call back function for reading back data point data from M2X */ void on_data_point_found(const char* at, const char* value, int index, void* context, int type) { printf("Found a data point, index: %d\r\n", index); printf("At: %s Value: %s\r\n", at, value); } /* Call back function for reading back location data from M2X */ void on_location_found(const char* name, double latitude, double longitude, double elevation, const char* timestamp, int index, void* context) { printf("Found a location, index: %d\r\n", index); printf("Name: %s Latitude: %lf Longitude: %lf\r\n", name, latitude, longitude); printf("Elevation: %lf Timestamp: %s\r\n", elevation, timestamp); } int main() { uint8_t mac[6]; int response; uint8_t hts221_id; static X_CUBE_MEMS *mems_expansion_board = X_CUBE_MEMS::Instance(); hts221_id = mems_expansion_board->hts221.ReadID(); printf("HTS221_ID = 0x%x\n\t\r", hts221_id); mypwm.period_ms(500); mypwm.pulsewidth_ms(250); /* Have mbed assign the mac address */ mbed_mac_address((char *)mac); printf("Start...\n"); wait_ms(3000); /* Initialize ethernet interface */ int ret = eth.init(mac); //Use DHCP if (!ret) { printf("Initialized, MAC: %s\n", eth.getMACAddress()); } else { printf("Error eth.init() - ret = %d\n", ret); return -1; } /* Get IP address */ while (1) { printf(">>> Get IP address...\n"); ret = eth.connect(); // Connect to network printf("ret: %d\n",ret); if (ret < 0) { printf(">>> Could not connect to network! Retrying ...\n"); wait_ms(3000); printf("past this point...\n"); } else { break; } } if (!ret) { printf("IP: %s, MASK: %s, GW: %s\n", eth.getIPAddress(), eth.getNetworkMask(), eth.getGateway()); } else { printf("Error eth.connect() - ret = %d\n", ret); return -1; } mypwm.pulsewidth_ms(500); /* Main loop */ while (true) { /* Wait 5 secs and then loop */ delay(2500); mypwm.pulsewidth_ms(0); /* Read sensors */ mems_expansion_board->hts221.GetTemperature((float *)&TEMPERATURE_Value); mems_expansion_board->hts221.GetHumidity((float *)&HUMIDITY_Value); //mems_expansion_board->lps25h.GetPressure((float *)&PRESSURE_Value); //mems_expansion_board->lis3mdl.GetAxes((AxesRaw_TypeDef *)&MAG_Value); //mems_expansion_board->lsm6ds0.Acc_GetAxes((AxesRaw_TypeDef *)&ACC_Value); //mems_expansion_board->lsm6ds0.Gyro_GetAxes((AxesRaw_TypeDef *)&GYR_Value); delay(2500); mypwm.pulsewidth_ms(500); /* Post temperature to M2X */ TEMPERATURE_Value_f =(1.8 * TEMPERATURE_Value) + 32.0; printf("TEMP: %f C %f F \r\n", TEMPERATURE_Value, TEMPERATURE_Value_f); response = m2xClient.updateStreamValue(feedId, tempStreamName, TEMPERATURE_Value_f); printf("Post response code: %d\r\n", response); if (response == -1) { mypwm.pulsewidth_ms(250); printf("Temperature data transmit post error\n"); } /* Post humidity to M2X */ printf("HUMIDITY: %f \r\n", HUMIDITY_Value); response = m2xClient.updateStreamValue(feedId, humidityStreamName, HUMIDITY_Value); printf("Post response code: %d\r\n", response); if (response == -1) { mypwm.pulsewidth_ms(250); printf("Humidity data transmit post error\n"); } /* Update location data */ response = m2xClient.updateLocation(feedId, name, latitude, longitude, elevation); printf("updateLocation response code: %d\r\n", response); if (response == -1) { mypwm.pulsewidth_ms(250); printf("Location data transmit post error\n"); } printf("\r\n"); } }