"led" numerical variable is pushed out from Xively. It is received and printed by mbed. You can edit the number in Xively.
Dependencies: C12832_lcd EthernetInterface LM75B MMA7660 mbed-libxively-6eca970 mbed-rtos mbed
Fork of Application-xively-jumpstart-demo by
Diff: main.cpp
- Revision:
- 0:efdea27c3b81
- Child:
- 1:0a61d7ab702c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Mon May 13 19:30:39 2013 +0000 @@ -0,0 +1,145 @@ +#include "mbed.h" +#include "EthernetInterface.h" +#include "xively.h" +#include "xi_err.h" +#include "xi_printf.h" + +#include <stdarg.h> +#include <stdio.h> + +#include "MMA7660.h" + +#define XI_FEED_ID 128488 +#define XI_API_KEY "T4KXAH_gw1PW42RjRdhU-lgmCC6SAKw3NnBPc3dydUc4ND0g" + +#include "C12832_lcd.h" + +C12832_LCD lcd; + +MMA7660 axl(p28, p27); + +extern "C" { + +void user_printf( const char* buffer ) +{ + lcd.cls(); + lcd.locate( 0, 3 ); + lcd.printf( buffer ); + //wait( 1.0 ); +} + +void mbed_printf( const char* fmt, ... ) +{ + char buffer[ 64 ]; + + va_list ap; + va_start( ap, fmt ); + vsnprintf( buffer, 64, fmt, ap ); + va_end( ap ); + + user_printf( buffer ); +} + +} + +int main() { + // set our device specific print function + USER_PRINT = user_printf; + + EthernetInterface eth; + + int s = eth.init(); //Use DHCP + + if( s != NULL ) + { + mbed_printf( "Could not initialise. Will halt!\n" ); + exit( 0 ); + } + + s = eth.connect(); + + if( s != NULL ) + { + mbed_printf( "Could not connect. Will halt!\n" ); + exit( 0 ); + } + else + { + mbed_printf( "IP: %s\n", eth.getIPAddress() ); + } + + xi_feed_t feed; + memset( &feed, NULL, sizeof( xi_feed_t ) ); + + feed.feed_id = XI_FEED_ID; + feed.datastream_count = 2; + + feed.datastreams[0].datapoint_count = 1; + xi_datastream_t* orientation_datastream = &feed.datastreams[0]; + strcpy( orientation_datastream->datastream_id, "orientation" ); + xi_datapoint_t* current_orientation = &orientation_datastream->datapoints[0]; + + feed.datastreams[1].datapoint_count = 1; + xi_datastream_t* side_rotation_datastream = &feed.datastreams[1]; + strcpy( side_rotation_datastream->datastream_id, "side_rotation" ); + xi_datapoint_t* current_side_rotation = &side_rotation_datastream->datapoints[0]; + + // create the cosm library context + xi_context_t* xi_context + = xi_create_context( XI_HTTP, XI_API_KEY, feed.feed_id ); + + // check if everything works + if( xi_context == NULL ) + { + return -1; + } + + mbed_printf("feed:%d datastreams:[%s,%s]\n", feed.feed_id, + orientation_datastream->datastream_id, + side_rotation_datastream->datastream_id); + + while(1) { + + switch( axl.getSide() ) { + case MMA7660::Front: + xi_set_value_str( current_side_rotation, "front" ); + break; + case MMA7660::Back: + xi_set_value_str( current_side_rotation, "back" ); + break; + default: + xi_set_value_str( current_side_rotation, "unknown" ); + break; + } + + switch( axl.getOrientation() ) { + case MMA7660::Down: + mbed_printf("down %s\n", + (axl.getSide() == MMA7660::Front ? "front" : "back")); + xi_set_value_str( current_orientation, "down" ); + break; + case MMA7660::Up: + mbed_printf("up %s\n", + (axl.getSide() == MMA7660::Front ? "front" : "back")); + xi_set_value_str( current_orientation, "up" ); + break; + case MMA7660::Right: + mbed_printf("right %s\n", + (axl.getSide() == MMA7660::Front ? "front" : "back")); + xi_set_value_str( current_orientation, "right" ); + break; + case MMA7660::Left: + mbed_printf("left %s\n", + (axl.getSide() == MMA7660::Front ? "front" : "back")); + xi_set_value_str( current_orientation, "left" ); + break; + default: + xi_set_value_str( current_orientation, "unknown" ); + break; + } + + mbed_printf( "update...\n" ); + xi_feed_update(xi_context, &feed); + mbed_printf( "done...\n" ); + } +} \ No newline at end of file