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author | Marti Bolivar <mbolivar@leaflabs.com> | 2012-06-05 17:59:14 -0400 |
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committer | Marti Bolivar <mbolivar@leaflabs.com> | 2012-06-07 03:38:29 -0400 |
commit | ab6814b687a670475fcf9be2be2af30f72904320 (patch) | |
tree | 7dc28052181ab938b5dfad5af2c15072b7a96e19 | |
parent | adbbbc19369f64d64f72d9417a0bf0272d1ba497 (diff) | |
download | librambutan-ab6814b687a670475fcf9be2be2af30f72904320.tar.gz librambutan-ab6814b687a670475fcf9be2be2af30f72904320.zip |
wirish/boards.h: Optionally derive SYSTICK_RELOAD_VAL.
It's stupid to make everyone keep this around.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
-rw-r--r-- | wirish/include/wirish/boards.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/wirish/include/wirish/boards.h b/wirish/include/wirish/boards.h index 1375512..73d5509 100644 --- a/wirish/include/wirish/boards.h +++ b/wirish/include/wirish/boards.h @@ -113,6 +113,9 @@ bool boardUsesPin(uint8 pin); /* Set derived definitions */ #define CLOCK_SPEED_MHZ CYCLES_PER_MICROSECOND #define CLOCK_SPEED_HZ (CLOCK_SPEED_MHZ * 1000000UL) +#ifndef SYSTICK_RELOAD_VAL +#define SYSTICK_RELOAD_VAL (1000 * CYCLES_PER_MICROSECOND - 1) +#endif /** * @brief Does the board break out a USART/UART's RX and TX pins? |