diff options
Diffstat (limited to 'libcpu/arm/AT91SAM7X/interrupt.c')
| -rw-r--r-- | libcpu/arm/AT91SAM7X/interrupt.c | 64 |
1 files changed, 32 insertions, 32 deletions
diff --git a/libcpu/arm/AT91SAM7X/interrupt.c b/libcpu/arm/AT91SAM7X/interrupt.c index 0c37f63ada..3a28f507ca 100644 --- a/libcpu/arm/AT91SAM7X/interrupt.c +++ b/libcpu/arm/AT91SAM7X/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 * @@ -13,10 +13,10 @@ #include <rthw.h> #include "AT91SAM7X256.h" -#define MAX_HANDLERS 32 +#define MAX_HANDLERS 32 /* exception and interrupt handler table */ -struct rt_irq_desc irq_desc[MAX_HANDLERS]; +struct rt_irq_desc irq_desc[MAX_HANDLERS]; extern rt_uint32_t rt_interrupt_nest; @@ -30,7 +30,7 @@ rt_uint32_t rt_thread_switch_interrupt_flag; static void rt_hw_interrupt_handler(int vector, void *param) { - rt_kprintf("Unhandled interrupt %d occured!!!\n", vector); + rt_kprintf("Unhandled interrupt %d occured!!!\n", vector); } /** @@ -38,7 +38,7 @@ static void rt_hw_interrupt_handler(int vector, void *param) */ void rt_hw_interrupt_init(void) { - rt_base_t index; + rt_base_t index; /* init exceptions table */ for(index=0; index < MAX_HANDLERS; index++) @@ -47,16 +47,16 @@ void rt_hw_interrupt_init(void) irq_desc[index].param = RT_NULL; } - for (index = 0; index < MAX_HANDLERS; index ++) - { - AT91C_BASE_AIC->AIC_SVR[index] = (rt_uint32_t)rt_hw_interrupt_handler; - } + for (index = 0; index < MAX_HANDLERS; index ++) + { + AT91C_BASE_AIC->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; } /** @@ -65,11 +65,11 @@ void rt_hw_interrupt_init(void) */ void rt_hw_interrupt_mask(int vector) { - /* disable interrupt */ - AT91C_BASE_AIC->AIC_IDCR = 1 << vector; + /* disable interrupt */ + AT91C_BASE_AIC->AIC_IDCR = 1 << vector; - /* clear interrupt */ - AT91C_BASE_AIC->AIC_ICCR = 1 << vector; + /* clear interrupt */ + AT91C_BASE_AIC->AIC_ICCR = 1 << vector; } /** @@ -78,7 +78,7 @@ void rt_hw_interrupt_mask(int vector) */ void rt_hw_interrupt_umask(int vector) { - AT91C_BASE_AIC->AIC_IECR = 1 << vector; + AT91C_BASE_AIC->AIC_IECR = 1 << vector; } /** @@ -90,21 +90,21 @@ void rt_hw_interrupt_umask(int vector) * * @return the old handler */ -rt_isr_handler_t rt_hw_interrupt_install(int vector, rt_isr_handler_t handler, - void *param, const char *name) +rt_isr_handler_t rt_hw_interrupt_install(int vector, rt_isr_handler_t handler, + void *param, const char *name) { - rt_isr_handler_t old_handler = RT_NULL; - if(vector >= 0 && vector < MAX_HANDLERS) - { - old_handler = irq_desc[vector].handler; - if (handler != RT_NULL) - { - irq_desc[vector].handler = (rt_isr_handler_t)handler; - irq_desc[vector].param = param; - } - } + rt_isr_handler_t old_handler = RT_NULL; + if(vector >= 0 && vector < MAX_HANDLERS) + { + old_handler = irq_desc[vector].handler; + if (handler != RT_NULL) + { + irq_desc[vector].handler = (rt_isr_handler_t)handler; + irq_desc[vector].param = param; + } + } - return old_handler; + return old_handler; } /*@}*/ |