AT&T M2X Team
Demo app to read data from FXOS8700Q accelerometer on FRDM-K64F and send values to AT&T M2X Data Service via Ethernet. For use with DevLab
Dependencies: EthernetInterface FXOS8700Q M2XStreamClient jsonlite mbed-rtos mbed
Fork of
M2X_K64F_ACCEL
by 
Joe Bossalini
Revision 0:ece599ab76bb, committed 2014-08-05
- Comitter:
- jb8414
- Date:
- Tue Aug 05 14:46:55 2014 +0000
- Child:
- 1:c7b9e522cc8e
- Commit message:
- initial commit
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/EthernetInterface.lib Tue Aug 05 14:46:55 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/EthernetInterface/#f69b81aa9eb1
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/FXOS8700Q.lib Tue Aug 05 14:46:55 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/JimCarver/code/FXOS8700Q/#5553a64d0762
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/M2XStreamClient.lib Tue Aug 05 14:46:55 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/teams/ATT-M2X-team/code/M2XStreamClient/#f479e4f4db0e
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/jsonlite.lib Tue Aug 05 14:46:55 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/citrusbyte/code/jsonlite/#807034181e02
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Tue Aug 05 14:46:55 2014 +0000
@@ -0,0 +1,66 @@
+#include "mbed.h"
+#include "FXOS8700Q.h"
+#include "M2XStreamClient.h"
+#include "EthernetInterface.h"
+
+
+#ifndef MAX
+#define max(a,b) ({ __typeof__ (a) _a = (a); __typeof__ (b) _b = (b); _a > _b ? _a : _b; })
+#endif
+
+#ifndef MIN
+#define min(a,b) ({ __typeof__ (a) _a = (a); __typeof__ (b) _b = (b); _a < _b ? _a : _b; })
+#endif
+
+const char key[] = "<key>"; // Replace with your M2X user account master key
+const char feed[] = "<feed>"; // Replace with your blueprint feed ID
+const char stream[] = "<stream>"; // Replace with your stream name
+
+int main()
+{
+ // Setup Ethernet
+ printf("Start\r\n");
+ EthernetInterface eth;
+ printf("Init...\r\n");
+ eth.init(); //Use DHCP
+ //eth.init(ip,mask,gateway); //Use Static IP Configuration
+ printf("Connect\r\n");
+ eth.connect();
+ printf("Device IP Address is %s\r\n", eth.getIPAddress());
+
+ // Initialize the M2X client
+ Client client;
+ M2XStreamClient m2xClient(&client, key);
+ int ret;
+
+ // Create an accelerometer instance
+ FXOS8700Q_acc acc( PTE25, PTE24, FXOS8700CQ_SLAVE_ADDR1); // Proper Ports and I2C Address for K64F Freedom board
+ acc.enable();
+ printf("\r\n\nFXOS8700Q Who Am I= %X\r\n", acc.whoAmI());
+
+ while (true) {
+
+ float x, y, z;
+ acc.getX(&x);
+ acc.getY(&y);
+ acc.getZ(&z);
+
+ 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);
+
+ // If the maximum title is over 20 degrees, then send
+ // data to stream
+ if (maxTilt > 20) {
+ ret = m2xClient.post(feed, stream, maxTilt);
+ printf("send() returned %d\r\n", ret);
+ // wait(0.5);
+ }
+ }
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-rtos.lib Tue Aug 05 14:46:55 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed-rtos/#34e80e862021
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Tue Aug 05 14:46:55 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/6213f644d804 \ No newline at end of file