SAM Serial Peripheral Interface Driver.
Copyright (c) 2012-2018 Microchip Technology Inc. and its subsidiaries.
#include "sercom_interrupt.h"
Macros | |
#define | _SERCOM_INTERRUPT_HANDLER(n, unused) |
#define | _SERCOM_INTERRUPT_VECT_NUM(n, unused) SYSTEM_INTERRUPT_MODULE_SERCOM##n, |
Functions | |
static void | _sercom_default_handler (const uint8_t instance) |
enum system_interrupt_vector | _sercom_get_interrupt_vector (Sercom *const sercom_instance) |
void | _sercom_set_handler (const uint8_t instance, const sercom_handler_t interrupt_handler) |
Variables | |
static bool | _handler_table_initialized = false |
Save status of initialized handlers. More... | |
void * | _sercom_instances [SERCOM_INST_NUM] |
static void(* | _sercom_interrupt_handlers [SERCOM_INST_NUM])(const uint8_t instance) |
Void pointers for saving device instance structures. More... | |
#define _SERCOM_INTERRUPT_HANDLER | ( | n, | |
unused | |||
) |
Generates a SERCOM interrupt handler function for a given SERCOM index.
#define _SERCOM_INTERRUPT_VECT_NUM | ( | n, | |
unused | |||
) | SYSTEM_INTERRUPT_MODULE_SERCOM##n, |
Converts a given SERCOM index to its interrupt vector index.
Referenced by _sercom_get_interrupt_vector().
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static |
Default interrupt handler.
[in] | instance | SERCOM instance used. |
References Assert.
Referenced by _sercom_set_handler().
enum system_interrupt_vector _sercom_get_interrupt_vector | ( | Sercom *const | sercom_instance | ) |
Returns the system interrupt vector.
[in] | sercom_instance | Instance pointer |
SYSTEM_INTERRUPT_MODULE_SERCOM0 | |
SYSTEM_INTERRUPT_MODULE_SERCOM1 | |
SYSTEM_INTERRUPT_MODULE_SERCOM2 | |
SYSTEM_INTERRUPT_MODULE_SERCOM3 | |
SYSTEM_INTERRUPT_MODULE_SERCOM4 | |
SYSTEM_INTERRUPT_MODULE_SERCOM5 | |
SYSTEM_INTERRUPT_MODULE_SERCOM6 | |
SYSTEM_INTERRUPT_MODULE_SERCOM7 |
References _sercom_get_sercom_inst_index(), _SERCOM_INTERRUPT_VECT_NUM, and MREPEAT.
Referenced by usart_disable(), and usart_enable().
void _sercom_set_handler | ( | const uint8_t | instance, |
const sercom_handler_t | interrupt_handler | ||
) |
Saves the given callback handler.
[in] | instance | Instance index. |
[in] | interrupt_handler | Pointer to instance callback handler. |
References _handler_table_initialized, _sercom_default_handler(), _sercom_instances, _sercom_interrupt_handlers, and i.
Referenced by usart_init().
Save status of initialized handlers.
Referenced by _sercom_set_handler().
void* _sercom_instances[SERCOM_INST_NUM] |
Referenced by _sercom_set_handler(), _usart_interrupt_handler(), and usart_init().
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static |
Void pointers for saving device instance structures.
Referenced by _sercom_set_handler().