From 1b85253f861967e97690d161633834e835a55ef1 Mon Sep 17 00:00:00 2001 From: Marti Bolivar Date: Wed, 3 Aug 2011 12:27:18 -0400 Subject: exti.c: Clean up some bit-banding usages. --- libmaple/exti.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) (limited to 'libmaple') 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) { -- cgit v1.2.3