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| author | Marti Bolivar <mbolivar@leaflabs.com> | 2012-06-01 17:26:03 -0400 |
|---|---|---|
| committer | Marti Bolivar <mbolivar@leaflabs.com> | 2012-06-01 17:26:03 -0400 |
| commit | 66876d1883055bccae9ae5e73fb3c5d29cb2b453 (patch) | |
| tree | 555275f97ed04efdf2524a8c2d27d08a9f9ad394 /wirish/include | |
| parent | d4d924ccda26083f4495661ee1fd1b6e549626d7 (diff) | |
| download | librambutan-66876d1883055bccae9ae5e73fb3c5d29cb2b453.tar.gz librambutan-66876d1883055bccae9ae5e73fb3c5d29cb2b453.zip | |
Preprocessor-fu to derive BOARD_HAVE_USARTn from <board/board.h>.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
Diffstat (limited to 'wirish/include')
| -rw-r--r-- | wirish/include/wirish/boards.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/wirish/include/wirish/boards.h b/wirish/include/wirish/boards.h index 3c2740a..2da252d 100644 --- a/wirish/include/wirish/boards.h +++ b/wirish/include/wirish/boards.h @@ -114,4 +114,25 @@ bool boardUsesPin(uint8 pin); #define CLOCK_SPEED_MHZ CYCLES_PER_MICROSECOND #define CLOCK_SPEED_HZ (CLOCK_SPEED_MHZ * 1000000UL) +/** + * @brief Does the board break out a USART/UART's RX and TX pins? + * + * BOARD_HAVE_USART(n) is nonzero iff USARTn is available. Also see + * BOARD_HAVE_USART1, ..., BOARD_HAVE_UART4 (sic), etc. + */ +#define BOARD_HAVE_USART(n) (defined(BOARD_USART##n##_TX_PIN) && \ + defined(BOARD_USART##n##_RX_PIN)) +/** Feature test: nonzero iff the board has USART1. */ +#define BOARD_HAVE_USART1 BOARD_HAVE_USART(1) +/** Feature test: nonzero iff the board has USART2, 0 otherwise. */ +#define BOARD_HAVE_USART2 BOARD_HAVE_USART(2) +/** Feature test: nonzero iff the board has USART3, 0 otherwise. */ +#define BOARD_HAVE_USART3 BOARD_HAVE_USART(3) +/** Feature test: nonzero iff the board has UART4, 0 otherwise. */ +#define BOARD_HAVE_UART4 BOARD_HAVE_USART(4) +/** Feature test: nonzero iff the board has UART5, 0 otherwise. */ +#define BOARD_HAVE_UART5 BOARD_HAVE_USART(5) +/** Feature test: nonzero iff the board has USART6, 0 otherwise. */ +#define BOARD_HAVE_USART6 BOARD_HAVE_USART(6) + #endif |