blob: 32cd3f174fdeb5d94dab8e977fa11e108c8969a1 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
/* USRP E310 Firmware Interrupt Management
* Copyright (C) 2014 Ettus Research
* This file is part of the USRP E310 Firmware
* The USRP E310 Firmware is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
* The USRP E310 Firmware is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with the USRP E310 Firmware. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef INTERRUPT_H
#define INTERRUPT_H
/**
* \brief Shared IRQ handlers return either of these values
*
* A shared IRQ handler will either 'claim' the IRQ and return IRQ_HANDLED,
* or indicate it is not sure whether it was the IRQ source and return IRQ_NONE.
*/
typedef enum {
IRQ_NONE,
IRQ_HANDLED
} irqreturn_t;
/**
* \brief (Shared) IRQ handlers should use this type signature
*/
typedef irqreturn_t (*irq_handler_t)(void);
/**
* \brief Initialize the IRQ subsystem
*/
void interrupt_init(void);
#endif /* INTERRUPT_H */
|