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AP_OSD: skip backend drawing for boards without font backends

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this saves a lot of flash space on boards that want the MSP OSD system
but not the MAX7456 backend
This commit is contained in:
Andrew Tridgell 2020-08-31 18:56:23 +10:00
parent 25746ef27e
commit 0e55a63be2
1 changed files with 6 additions and 0 deletions
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6
libraries/AP_OSD/AP_OSD.cpp
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@ -253,7 +253,13 @@ void AP_OSD::update_osd()
update_current_screen(); update_current_screen();
screen[current_screen].set_backend(backend); screen[current_screen].set_backend(backend);
// skip the drawing if we are not using a font based backend. This saves a lot of flash space when
// using the MSP OSD system on boards that don't have a MAX7456
#if defined(WITH_SITL_OSD) || defined(HAL_WITH_SPI_OSD)
screen[current_screen].draw(); screen[current_screen].draw();
#endif
} }
backend->flush(); backend->flush();