diff options
Diffstat (limited to 'libcpu/arm/AT91SAM7S/interrupt.c')
| -rw-r--r-- | libcpu/arm/AT91SAM7S/interrupt.c | 46 |
1 files changed, 23 insertions, 23 deletions
diff --git a/libcpu/arm/AT91SAM7S/interrupt.c b/libcpu/arm/AT91SAM7S/interrupt.c index db9d31fe28..e4aa8643f1 100644 --- a/libcpu/arm/AT91SAM7S/interrupt.c +++ b/libcpu/arm/AT91SAM7S/interrupt.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2006-2018, RT-Thread Development Team + * Copyright (c) 2006-2021, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * @@ -11,7 +11,7 @@ #include <rtthread.h> #include "AT91SAM7S.h" -#define MAX_HANDLERS 32 +#define MAX_HANDLERS 32 extern rt_uint32_t rt_interrupt_nest; @@ -25,7 +25,7 @@ rt_uint32_t rt_thread_switch_interrupt_flag; void rt_hw_interrupt_handler(int vector) { - rt_kprintf("Unhandled interrupt %d occured!!!\n", vector); + rt_kprintf("Unhandled interrupt %d occured!!!\n", vector); } /** @@ -33,18 +33,18 @@ void rt_hw_interrupt_handler(int vector) */ void rt_hw_interrupt_init() { - rt_base_t index; + rt_base_t index; - for (index = 0; index < MAX_HANDLERS; index ++) - { - AT91C_AIC_SVR(index) = (rt_uint32_t)rt_hw_interrupt_handler; - } + for (index = 0; index < MAX_HANDLERS; index ++) + { + AT91C_AIC_SVR(index) = (rt_uint32_t)rt_hw_interrupt_handler; + } - /* init interrupt nest, and context in thread sp */ - rt_interrupt_nest = 0; - rt_interrupt_from_thread = 0; - rt_interrupt_to_thread = 0; - rt_thread_switch_interrupt_flag = 0; + /* init interrupt nest, and context in thread sp */ + rt_interrupt_nest = 0; + rt_interrupt_from_thread = 0; + rt_interrupt_to_thread = 0; + rt_thread_switch_interrupt_flag = 0; } /** @@ -53,11 +53,11 @@ void rt_hw_interrupt_init() */ void rt_hw_interrupt_mask(int vector) { - /* disable interrupt */ - AT91C_AIC_IDCR = 1 << vector; + /* disable interrupt */ + AT91C_AIC_IDCR = 1 << vector; - /* clear interrupt */ - AT91C_AIC_ICCR = 1 << vector; + /* clear interrupt */ + AT91C_AIC_ICCR = 1 << vector; } /** @@ -66,7 +66,7 @@ void rt_hw_interrupt_mask(int vector) */ void rt_hw_interrupt_umask(int vector) { - AT91C_AIC_IECR = 1 << vector; + AT91C_AIC_IECR = 1 << vector; } /** @@ -77,11 +77,11 @@ void rt_hw_interrupt_umask(int vector) */ void rt_hw_interrupt_install(int vector, rt_isr_handler_t new_handler, rt_isr_handler_t *old_handler) { - if(vector >= 0 && vector < MAX_HANDLERS) - { - if (*old_handler != RT_NULL) *old_handler = (rt_isr_handler_t)AT91C_AIC_SVR(vector); - if (new_handler != RT_NULL) AT91C_AIC_SVR(vector) = (rt_uint32_t)new_handler; - } + if(vector >= 0 && vector < MAX_HANDLERS) + { + if (*old_handler != RT_NULL) *old_handler = (rt_isr_handler_t)AT91C_AIC_SVR(vector); + if (new_handler != RT_NULL) AT91C_AIC_SVR(vector) = (rt_uint32_t)new_handler; + } } /*@}*/ |