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A simple project for sending button input up to AT&T Flow
Dependencies: FXOS8700CQ MODSERIAL mbed
For instructions on using this program, see the AT&T Starter Kit tutorial on it.
main.cpp
- Committer:
- stefanrousseau
- Date:
- 2016-08-01
- Revision:
- 61:f6b93129f954
- Parent:
- 59:7ebb9436b2bd
- Child:
- 63:90d7c69993cd
File content as of revision 61:f6b93129f954:
#include "mbed.h" #include <cctype> #include <string> #include "SerialBuffered.h" #include "config_me.h" #include "sensors.h" #include "cell_modem.h" #include "hardware.h" I2C i2c(PTC11, PTC10); //SDA, SCL -- define the I2C pins being used MODSERIAL pc(USBTX, USBRX, 256, 256); // tx, rx with default tx, rx buffer sizes SerialBuffered mdm(PTD3, PTD2, 4096); DigitalOut led_green(LED_GREEN); DigitalOut led_red(LED_RED); DigitalOut led_blue(LED_BLUE); //******************************************************************************************************************************************** //* Create string with sensor readings that can be sent to flow as an HTTP get //******************************************************************************************************************************************** K64F_Sensors_t SENSOR_DATA = { .Temperature = "0", .Humidity = "0", .AccelX = "0", .AccelY = "0", .AccelZ = "0", .MagnetometerX = "0", .MagnetometerY = "0", .MagnetometerZ = "0", .AmbientLightVis = "0", .AmbientLightIr = "0", .UVindex = "0", .Proximity = "0", .Temperature_Si7020 = "0", .Humidity_Si7020 = "0", .Virtual_Sensor1 = "0", .Virtual_Sensor2 = "0", .Virtual_Sensor3 = "0", .Virtual_Sensor4 = "0", .Virtual_Sensor5 = "0", .Virtual_Sensor6 = "0", .Virtual_Sensor7 = "0", .Virtual_Sensor8 = "0" }; void GenerateModemString(char * modem_string) { switch(iSensorsToReport) { case TEMP_HUMIDITY_ONLY: { sprintf(modem_string, "GET %s%s?serial=%s&temp=%s&humidity=%s %s%s\r\n\r\n", FLOW_BASE_URL, FLOW_INPUT_NAME, FLOW_DEVICE_NAME, SENSOR_DATA.Temperature, SENSOR_DATA.Humidity, FLOW_URL_TYPE, MY_SERVER_URL); break; } case TEMP_HUMIDITY_ACCELEROMETER: { sprintf(modem_string, "GET %s%s?serial=%s&temp=%s&humidity=%s&accelX=%s&accelY=%s&accelZ=%s %s%s\r\n\r\n", FLOW_BASE_URL, FLOW_INPUT_NAME, FLOW_DEVICE_NAME, SENSOR_DATA.Temperature, SENSOR_DATA.Humidity, SENSOR_DATA.AccelX,SENSOR_DATA.AccelY,SENSOR_DATA.AccelZ, FLOW_URL_TYPE, MY_SERVER_URL); break; } case TEMP_HUMIDITY_ACCELEROMETER_PMODSENSORS: { sprintf(modem_string, "GET %s%s?serial=%s&temp=%s&humidity=%s&accelX=%s&accelY=%s&accelZ=%s&proximity=%s&light_uv=%s&light_vis=%s&light_ir=%s %s%s\r\n\r\n", FLOW_BASE_URL, FLOW_INPUT_NAME, FLOW_DEVICE_NAME, SENSOR_DATA.Temperature, SENSOR_DATA.Humidity, SENSOR_DATA.AccelX,SENSOR_DATA.AccelY,SENSOR_DATA.AccelZ, SENSOR_DATA.Proximity, SENSOR_DATA.UVindex, SENSOR_DATA.AmbientLightVis, SENSOR_DATA.AmbientLightIr, FLOW_URL_TYPE, MY_SERVER_URL); break; } case TEMP_HUMIDITY_ACCELEROMETER_PMODSENSORS_VIRTUALSENSORS: { sprintf(modem_string, "GET %s%s?serial=%s&temp=%s&humidity=%s&accelX=%s&accelY=%s&accelZ=%s&proximity=%s&light_uv=%s&light_vis=%s&light_ir=%s&virt_sens1=%s&virt_sens2=%s&virt_sens3=%s&virt_sens4=%s&virt_sens5=%s&virt_sens6=%s&virt_sens7=%s&virt_sens8=%s %s%s\r\n\r\n", FLOW_BASE_URL, FLOW_INPUT_NAME, FLOW_DEVICE_NAME, SENSOR_DATA.Temperature, SENSOR_DATA.Humidity, SENSOR_DATA.AccelX,SENSOR_DATA.AccelY,SENSOR_DATA.AccelZ, SENSOR_DATA.Proximity, SENSOR_DATA.UVindex, SENSOR_DATA.AmbientLightVis, SENSOR_DATA.AmbientLightIr, SENSOR_DATA.Virtual_Sensor1, SENSOR_DATA.Virtual_Sensor2, SENSOR_DATA.Virtual_Sensor3, SENSOR_DATA.Virtual_Sensor4, SENSOR_DATA.Virtual_Sensor5, SENSOR_DATA.Virtual_Sensor6, SENSOR_DATA.Virtual_Sensor7, SENSOR_DATA.Virtual_Sensor8, FLOW_URL_TYPE, MY_SERVER_URL); break; } default: { sprintf(modem_string, "Invalid sensor selected\r\n\r\n"); break; } } //switch(iSensorsToReport) } //GenerateModemString //Periodic timer Ticker OneMsTicker; volatile bool bTimerExpiredFlag = false; int OneMsTicks = 0; int iTimer1Interval_ms = 1000; //******************************************************************************************************************************************** //* Periodic 1ms timer tick //******************************************************************************************************************************************** void OneMsFunction() { OneMsTicks++; if ((OneMsTicks % iTimer1Interval_ms) == 0) { bTimerExpiredFlag = true; } } //OneMsFunction() //******************************************************************************************************************************************** //* Set the RGB LED's Color //* LED Color 0=Off to 7=White. 3 bits represent BGR (bit0=Red, bit1=Green, bit2=Blue) //******************************************************************************************************************************************** void SetLedColor(unsigned char ucColor) { //Note that when an LED is on, you write a 0 to it: led_red = !(ucColor & 0x1); //bit 0 led_green = !(ucColor & 0x2); //bit 1 led_blue = !(ucColor & 0x4); //bit 2 } //SetLedColor() //******************************************************************************************************************************************** //* Process the JSON response. In this example we are only extracting a LED color. //******************************************************************************************************************************************** bool parse_JSON(char* json_string) { char* beginquote; char token[] = "\"LED\":\""; beginquote = strstr(json_string, token ); if ((beginquote != 0)) { char cLedColor = beginquote[strlen(token)]; printf(GRN "LED Found : %c" DEF "\r\n", cLedColor); switch(cLedColor) { case 'O': { //Off SetLedColor(0); break; } case 'R': { //Red SetLedColor(1); break; } case 'G': { //Green SetLedColor(2); break; } case 'Y': { //Yellow SetLedColor(3); break; } case 'B': { //Blue SetLedColor(4); break; } case 'M': { //Magenta SetLedColor(5); break; } case 'T': { //Turquoise SetLedColor(6); break; } case 'W': { //White SetLedColor(7); break; } default: { break; } } //switch(cLedColor) return true; } else { return false; } } //parse_JSON int main() { static unsigned ledOnce = 0; pc.baud(115200); pc.printf(GRN "Hello World from the Cellular IoT Kit!\r\n\r\n"); //Initialize the I2C sensors that are present sensors_init(); read_sensors(); // Set LED to RED until init finishes SetLedColor(0x1); //Red // Initialize the modem pc.printf("\r\n"); cell_modem_init(); // Set LED BLUE for partial init SetLedColor(0x4); //Blue //Create a 1ms timer tick function: iTimer1Interval_ms = SENSOR_UPDATE_INTERVAL_MS; OneMsTicker.attach(OneMsFunction, 0.001f) ; // Send and receive data perpetually while(1) { #ifdef USE_VIRTUAL_SENSORS ProcessUsbInterface(); #endif if (bTimerExpiredFlag) { bTimerExpiredFlag = false; read_sensors(); //read available external sensors from a PMOD and the on-board motion sensor char modem_string[512]; GenerateModemString(&modem_string[0]); char myJsonResponse[512]; if (cell_modem_Sendreceive(&modem_string[0], &myJsonResponse[0])) { if (!ledOnce) { ledOnce = 1; SetLedColor(0x2); //Green } parse_JSON(&myJsonResponse[0]); } } //bTimerExpiredFlag } //forever loop }