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MultiFastSerial example sketch: notes on fatal error in avr-gcc 4.5.x

This commit is contained in:
Pat Hickey 2012-10-15 19:24:09 -07:00
parent 2dace5cf5f
commit 8577a0c7a1
1 changed files with 13 additions and 0 deletions
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13
libraries/FastSerial/examples/MultiFastSerial/MultiFastSerial.pde
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@ -17,6 +17,19 @@
/* Not required by this sketch, but required by AP_Common */
#include <AP_Math.h>
#if __GNUC__ == 4 && __GNUC_MINOR__ == 5
#warning avr-gcc 4.5.x is known to have a bug with FastSerialPort2 and 3
/* avr-gcc 4.5.3 will leave off the USART2 and USART3 vectors from the vector
* table. It will crash this example sketch at millis == 2000.
* See http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47696 for info.
* Known to work:
* avr-gcc 4.3.2 as shipped by Arduino IDE on Windows.
* avr-gcc 4.4.2 does not have this bug (unknown status otherwise)
* avr-gcc 4.6.2 has other issues that need to be worked out
* -pch 15 October 2012
*/
#endif
//
// Create a FastSerial driver that looks just like the stock Arduino
// driver, on each serial port.