diff options
Diffstat (limited to 'nuttx/configs/nucleo-f4x1re/src/nucleo-f4x1re.h')
| -rw-r--r-- | nuttx/configs/nucleo-f4x1re/src/nucleo-f4x1re.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/nuttx/configs/nucleo-f4x1re/src/nucleo-f4x1re.h b/nuttx/configs/nucleo-f4x1re/src/nucleo-f4x1re.h index 90896fd11..880d1748a 100644 --- a/nuttx/configs/nucleo-f4x1re/src/nucleo-f4x1re.h +++ b/nuttx/configs/nucleo-f4x1re/src/nucleo-f4x1re.h @@ -193,6 +193,11 @@ * * All buttons are pulled on the shield. A sensed low value indicates * when the button is pressed. + * + * NOTE: Button F cannot be used with the default USART1 configuration + * because PA9 is configured for USART1_RX by default. Use select + * different USART1 pins in the board.h file or select a different + * USART */ #define ADC_XOUPUT 1 /* X output is on ADC channel 1 */ |