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| author | Marti Bolivar <mbolivar@leaflabs.com> | 2011-08-03 12:27:18 -0400 |
|---|---|---|
| committer | Marti Bolivar <mbolivar@leaflabs.com> | 2011-08-03 17:34:03 -0400 |
| commit | 1b85253f861967e97690d161633834e835a55ef1 (patch) | |
| tree | 14d09de087ee692c289aaa4022fdafa81822ea31 /libmaple/exti.c | |
| parent | ee083072a08527bf2abb59366b06c273dcf4ecf7 (diff) | |
| download | librambutan-1b85253f861967e97690d161633834e835a55ef1.tar.gz librambutan-1b85253f861967e97690d161633834e835a55ef1.zip | |
exti.c: Clean up some bit-banding usages.
Diffstat (limited to 'libmaple/exti.c')
| -rw-r--r-- | libmaple/exti.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/libmaple/exti.c b/libmaple/exti.c index 4999746..a3a2db7 100644 --- a/libmaple/exti.c +++ b/libmaple/exti.c @@ -100,14 +100,14 @@ void exti_attach_interrupt(afio_exti_num num, /* Set trigger mode */ switch (mode) { case EXTI_RISING: - *bb_perip(&EXTI_BASE->RTSR, num) = 1; + bb_peri_set_bit(&EXTI_BASE->RTSR, num, 1); break; case EXTI_FALLING: - *bb_perip(&EXTI_BASE->FTSR, num) = 1; + bb_peri_set_bit(&EXTI_BASE->FTSR, num, 1); break; case EXTI_RISING_FALLING: - *bb_perip(&EXTI_BASE->RTSR, num) = 1; - *bb_perip(&EXTI_BASE->FTSR, num) = 1; + bb_peri_set_bit(&EXTI_BASE->RTSR, num, 1); + bb_peri_set_bit(&EXTI_BASE->FTSR, num, 1); break; } @@ -115,7 +115,7 @@ void exti_attach_interrupt(afio_exti_num num, afio_exti_select(num, port); /* Unmask external interrupt request */ - *bb_perip(&EXTI_BASE->IMR, num) = 1; + bb_peri_set_bit(&EXTI_BASE->IMR, num, 1); /* Enable the interrupt line */ enable_irq(num); @@ -128,11 +128,11 @@ void exti_attach_interrupt(afio_exti_num num, */ void exti_detach_interrupt(afio_exti_num num) { /* First, mask the interrupt request */ - *bb_perip(&EXTI_BASE->IMR, num) = 0; + bb_peri_set_bit(&EXTI_BASE->IMR, num, 0); /* Then, clear the trigger selection registers */ - *bb_perip(&EXTI_BASE->FTSR, num) = 0; - *bb_perip(&EXTI_BASE->RTSR, num) = 0; + bb_peri_set_bit(&EXTI_BASE->FTSR, num, 0); + bb_peri_set_bit(&EXTI_BASE->RTSR, num, 0); /* Next, disable the IRQ, unless it's multiplexed and there are * other active external interrupts on the same IRQ line */ @@ -221,7 +221,7 @@ static inline void dispatch_handler(uint32 exti_num) { } static inline void clear_pending(uint32 exti_num) { - *bb_perip(&EXTI_BASE->PR, exti_num) = 1; + EXTI_BASE->PR = 1 << exti_num; } static inline void enable_irq(afio_exti_num exti) { |