mikeflores2000 AT&T MultiTech M2X Exercises book
Dependencies: M2XStreamClient MMA8451Q SocketModem jsonlite mbed
Fork of M2X_MTS_Accel by
main.cpp
- Committer:
- mikeflores2000
- Date:
- 2014-09-04
- Revision:
- 4:8157d7b1cd01
- Parent:
- 3:3aa188afd648
File content as of revision 4:8157d7b1cd01:
#include "mbed.h" #include "MMA8451Q.h" #include "M2XStreamClient.h" #include "include_me.h" #include "math.h" #if defined (TARGET_KL25Z) || defined (TARGET_KL46Z) PinName const SDA = PTE25; PinName const SCL = PTE24; #elif defined (TARGET_KL05Z) PinName const SDA = PTB4; PinName const SCL = PTB3; #else #error TARGET NOT DEFINED #endif #define MMA8451_I2C_ADDRESS (0x1d<<1) using namespace mts; const char key[] = "7a453ac1769a6f027e20fa4460f3934a"; // Replace with your M2X user account master key const char feed[] = "c34e9db73edb0b171fa3e92bbad63d86"; // Replace with your blueprint feed ID const char stream[] = "tilt"; // Replace with your stream name // set to 1 for cellular shield board // set to 0 for wifi shield board #define CELL_SHIELD 0 // ssid and phrase for wifi std::string ssid = "HD-Members-5Ghz"; // Replace with your Wifi ID (SSID) std::string phrase = "hackerdojo"; // Replace with your Wifi phrase (password) Wifi::SecurityType security_type = Wifi::WPA; // Replace with your Wifi security type int main() { #if CELL_SHIELD MTSSerialFlowControl* serial = new MTSSerialFlowControl(PTD3, PTD2, PTA12, PTC8); serial->baud(115200); Transport::setTransport(Transport::CELLULAR); Cellular* cell = Cellular::getInstance(); cell->init(serial, PTA4, PTC9); //DCD and DTR pins for KL46Z int max_tries = 5; int i; std::string apn = "wap.cingular"; // set to the appropriate APN (i.e. "m2m.com.attz" for M2X SIMs) i = 0; while (i++ < max_tries) { if (cell->getRegistration() == Cellular::REGISTERED) { printf("registered with tower\n\r"); break; } else if (i >= max_tries) { printf("failed to register with tower\n\r"); } else { wait(3); } } printf("signal strength: %d\n\r", cell->getSignalStrength()); i = 0; printf("setting APN to %s\n\r", apn.c_str()); while (i++ < max_tries) { if (cell->setApn(apn) == SUCCESS) { printf("successfully set APN\n\r"); break; } else if (i >= max_tries) { printf("failed to set APN\n\r"); } else { wait(1); } } i = 0; printf("bringing up PPP link\n\r"); while (i++ < max_tries) { if (cell->connect()) { printf("PPP link is up\n\r"); break; } else if (i >= max_tries) { printf("failed to bring PPP link up\n\r"); } else { wait(1); } } #else // WiFi shield for (int i = 6; i >= 0; i = i - 2) { wait(2); printf("Waiting %d seconds...\n\r", i); } MTSSerial* serial = new MTSSerial(PTD3, PTD2, 256, 256); serial->baud(9600); Transport::setTransport(Transport::WIFI); Wifi* wifi = Wifi::getInstance(); printf("Init: %s\n\r", wifi->init(serial) ? "SUCCESS" : "FAILURE"); printf("Set Network: %s\n\r", getCodeNames(wifi->setNetwork(ssid, security_type, phrase)).c_str()); printf("Set DHCP: %s\n\r", getCodeNames(wifi->setDeviceIP("DHCP")).c_str()); printf("Signal Strnegth (dBm): %d\n\r", wifi->getSignalStrength()); printf("Is Connected: %s\n\r", wifi->isConnected() ? "True" : "False"); printf("Connect: %s\n\r", wifi->connect() ? "Success" : "Failure"); printf("Is Connected: %s\n\r", wifi->isConnected() ? "True" : "False"); #endif // Initialize the M2X client Client client; M2XStreamClient m2xClient(&client, key); int ret; // Create an accelerometer instance MMA8451Q acc(SDA, SCL, MMA8451_I2C_ADDRESS); printf("MMA8451 ID: %d\n", acc.getWhoAmI()); // Add code here to read accelerometer data and post to M2X stream while (true) { // Get accelerometer data float x, y, z; x = acc.getAccX(); y = acc.getAccY(); z = acc.getAccZ(); printf("Accel X: %1.2f, Y: %1.2f, Z: %1.2f\n\r", x, y, z); // Calculate pitch and roll. Find the maximum tilt angle. float pitch = atan(x / sqrt(y * y + z * z)); float roll = atan(y / sqrt(x * x + z * z)); float maxTilt = max(abs(roll), abs(pitch)) * 180.0 / 3.14159; printf("Pitch: %5.1f roll: %5.1f maxTilt: %5.1f\n\r", pitch, roll, maxTilt); wait(10); printf("\n"); // If the maximum title is over 20 degrees, then send // data to stream if (maxTilt > 20) { ret = m2xClient.post(feed, stream, maxTilt); printf("maxTilt EXCEEDED 20 !!!! send() returned %d\r\n", ret); wait(10); } } }