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GPS: exclude SIRF and NMEA on APM copter build

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This only works for the centralised builder, the modified Arduino IDE
will still include the NMEA and SIRF drivers meaning it will require
approximately 4k additional flash which may push us over the limit on
the APM2.  Users will instead need to exclude other features to get
below the APM1/2 flash limit.
This commit is contained in:
Randy Mackay 2014-07-13 15:40:53 +09:00
parent 527de3f2e4
commit f630f9abc3
2 changed files with 11 additions and 1 deletions
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2
libraries/AP_GPS/AP_GPS.cpp
View File

@ -193,7 +193,7 @@ AP_GPS::detect_instance(uint8_t instance)
new_gps = new AP_GPS_SBP(*this, state[instance], port);
}
#endif // HAL_CPU_CLASS
#if !defined( __AVR_ATmega1280__ )
#if !defined(GPS_SKIP_SIRF_NMEA)
// save a bit of code space on a 1280
else if ((_type[instance] == GPS_TYPE_AUTO || _type[instance] == GPS_TYPE_SIRF) &&
AP_GPS_SIRF::_detect(dstate->sirf_detect_state, data)) {

10
libraries/AP_GPS/AP_GPS.h
View File

@ -24,6 +24,7 @@
#include <AP_Param.h>
#include <AP_Math.h>
#include <GCS_MAVLink.h>
#include <AP_Vehicle.h>
#include "GPS_detect_state.h"
/**
@ -42,6 +43,15 @@
#define GPS_RTK_AVAILABLE 0
#endif
/**
* save flash by skipping NMEA and SIRF support on ArduCopter on APM1/2 or any frame type on AVR1280 CPUs
*/
#if HAL_CPU_CLASS < HAL_CPU_CLASS_75 && defined(APM_BUILD_DIRECTORY)
#if (APM_BUILD_TYPE(APM_BUILD_ArduCopter) || defined(__AVR_ATmega1280__))
#define GPS_SKIP_SIRF_NMEA
#endif
#endif
class DataFlash_Class;
class AP_GPS_Backend;