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allow disabling global Serial and Serial1 object (#2807)

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allow the user to disable specific global `Serial` objects to save
memory.

that's 0x1c bytes per object.
This commit is contained in:
Victor Tseng 2017-12-29 22:11:00 +08:00 committed by Develo
parent 28803540a2
commit 2b868aac00
1 changed files with 5 additions and 0 deletions
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5
cores/esp8266/HardwareSerial.cpp
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@ -180,5 +180,10 @@ HardwareSerial::operator bool() const
} }
#if !defined(NO_GLOBAL_INSTANCES) && !defined(NO_GLOBAL_SERIAL)
HardwareSerial Serial(UART0); HardwareSerial Serial(UART0);
#endif
#if !defined(NO_GLOBAL_INSTANCES) && !defined(NO_GLOBAL_SERIAL1)
HardwareSerial Serial1(UART1); HardwareSerial Serial1(UART1);
#endif