source: rtems/c/src/lib/libcpu/arm/lpc22xx/irq/irq.h @ 359e537

4.104.11
Last change on this file since 359e537 was 359e537, checked in by Ralf Corsepius <ralf.corsepius@…>, on Nov 30, 2009 at 5:09:41 AM

Whitespace removal.

  • Property mode set to 100644
File size: 4.8 KB
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1/*
2 * Interrupt handler Header file
3 *
4 * Copyright (c) 2006 by Ray <rayx.cn@gmail.com> to support LPC ARM
5 *
6 *  The license and distribution terms for this file may be
7 *  found in the file LICENSE in this distribution or at
8 *
9 *  http://www.rtems.com/license/LICENSE.
10 *
11 *
12 *  $Id$
13 */
14
15#ifndef __IRQ_H__
16#define __IRQ_H__
17
18#ifdef __cplusplus
19extern "C" {
20#endif
21
22  /* define that can be useful (the values are just examples) */
23#ifndef __asm__
24
25/*
26 * Include some preprocessor value also used by assember code
27 */
28
29#include <rtems.h>
30#include <lpc22xx.h>
31
32extern void default_int_handler();
33/***********************************************************************
34 * Constants
35 **********************************************************************/
36
37/* possible interrupt sources on the LPC22xx */
38#define LPC22xx_INTERRUPT_WDINT  0      /* Watchdog int. 0 */
39#define LPC22xx_INTERRUPT_RSV0   1      /* Reserved int. 1 */
40#define LPC22xx_INTERRUPT_DBGRX  2      /* Embedded ICE DbgCommRx receive */
41#define LPC22xx_INTERRUPT_DBGTX  3      /* Embedded ICE DbgCommRx Transmit*/
42#define LPC22xx_INTERRUPT_TIMER0 4      /* Timer 0 */
43#define LPC22xx_INTERRUPT_TIMER1 5      /* Timer 1 */
44#define LPC22xx_INTERRUPT_UART0  6      /* UART 0 */
45#define LPC22xx_INTERRUPT_UART1  7      /* UART 1 */
46#define LPC22xx_INTERRUPT_PWM0   8      /* PWM */
47#define LPC22xx_INTERRUPT_I2C    9      /* I2C  */
48#define LPC22xx_INTERRUPT_SPI0  10      /* SPI0 */
49#define LPC22xx_INTERRUPT_SPI1  11      /* SPI1 */
50#define LPC22xx_INTERRUPT_PLL   12      /* PLL */
51#define LPC22xx_INTERRUPT_RTC   13      /* RTC */
52#define LPC22xx_INTERRUPT_EINT0 14      /* Externel Interrupt 0 */
53#define LPC22xx_INTERRUPT_EINT1 15      /* Externel Interrupt 1 */
54#define LPC22xx_INTERRUPT_EINT2 16      /* Externel Interrupt 2 */
55#define LPC22xx_INTERRUPT_EINT3 17      /* Externel Interrupt 3 */
56#define LPC22xx_INTERRUPT_ADC   18      /* AD Converter */
57/* Following interrupt used by lpc229x */
58#define LPC22xx_INTERRUPT_CANERR 19     /* CAN LUTerr interrupt */
59#define LPC22xx_INTERRUPT_CAN1TX 20     /* CAN1 Tx interrupt */
60#define LPC22xx_INTERRUPT_CAN1RX 21     /* CAN1 Rx interrupt */
61#define LPC22xx_INTERRUPT_CAN2TX 22     /* CAN2 Tx interrupt */
62#define LPC22xx_INTERRUPT_CAN2RX 23     /* CAN2 Rx interrupt */
63#define LPC22xx_INTERRUPT_CAN3TX 24     /* CAN1 Tx interrupt */
64#define LPC22xx_INTERRUPT_CAN3RX 25     /* CAN1 Rx interrupt */
65#define LPC22xx_INTERRUPT_CAN4TX 26     /* CAN2 Tx interrupt */
66#define LPC22xx_INTERRUPT_CAN4RX 27     /* CAN2 Rx interrupt */
67#define BSP_MAX_INT              28
68
69#define UNDEFINED_INSTRUCTION_VECTOR_ADDR   (*(u_long *)0x00000004L)
70#define SOFTWARE_INTERRUPT_VECTOR_ADDR      (*(u_long *)0x00000008L)
71#define PREFETCH_ABORT_VECTOR_ADDR          (*(u_long *)0x0000000CL)
72#define DATA_ABORT_VECTOR_ADDR              (*(u_long *)0x00000010L)
73#define IRQ_VECTOR_ADDR                     (*(u_long *)0x00000018L)
74#define FIQ_VECTOR_ADDR                     (*(u_long *)0x0000001CL)
75
76#define DATA_ABORT_ISR_ADDR                 (*(u_long *)0x00000030L)
77#define IRQ_ISR_ADDR                        (*(u_long *)0x00000038L)
78#define FIQ_ISR_ADDR                        (*(u_long *)0x0000003CL)
79
80
81typedef unsigned char  rtems_irq_level;
82typedef unsigned char  rtems_irq_trigger;
83
84typedef unsigned int rtems_irq_number;
85struct  __rtems_irq_connect_data__;     /* forward declaratiuon */
86
87typedef void (*rtems_irq_hdl)       (void);
88typedef void (*rtems_irq_enable)    (const struct __rtems_irq_connect_data__*);
89typedef void (*rtems_irq_disable)   (const struct __rtems_irq_connect_data__*);
90typedef int  (*rtems_irq_is_enabled)(const struct __rtems_irq_connect_data__*);
91
92//extern rtems_irq_hdl bsp_vector_table[BSP_MAX_INT];
93#define VECTOR_TABLE VICVectAddrBase
94
95typedef struct __rtems_irq_connect_data__ {
96    /* IRQ line */
97    rtems_irq_number              name;
98
99    /* Handler */
100    rtems_irq_hdl                 hdl;
101
102    /* function for enabling interrupts at device level. */
103    rtems_irq_enable              on;
104
105    /* function for disabling interrupts at device level. */
106    rtems_irq_disable             off;
107
108    /* Function to test if interrupt is enabled */
109    rtems_irq_is_enabled        isOn;
110
111    /* priority level of interrupt */
112    rtems_irq_level               irqLevel;
113
114    /* Trigger method (rising/falling edge or high/low level) */
115    rtems_irq_trigger             irqTrigger;
116} rtems_irq_connect_data;
117
118/*
119 * function to initialize the interrupt for a specific BSP
120 */
121void BSP_rtems_irq_mngt_init();
122
123
124/*
125 * function to connect a particular irq handler.
126 */
127int BSP_install_rtems_irq_handler       (const rtems_irq_connect_data*);
128
129/*
130 * function to get the current RTEMS irq handler for ptr->name.
131 */
132int BSP_get_current_rtems_irq_handler   (rtems_irq_connect_data* ptr);
133
134/*
135 * function to disconnect the RTEMS irq handler for ptr->name.
136 */
137int BSP_remove_rtems_irq_handler        (const rtems_irq_connect_data*);
138
139#endif /* __asm__ */
140
141#ifdef __cplusplus
142}
143#endif
144
145#endif /* __IRQ_H__ */
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