betty/interrupts.h

   1 /*
   2  * interrupts.h - arm exception handling header file
   3  *
   4  * author: hackbard@hackdaworld.org
   5  *
   6  */
   7
   8 #ifndef INTERRUPTS_H
   9 #define INTERRUPTS_H
  10
  11 #include "lpc2xxx.h"
  12 #include "types.h"
  13
  14 /* defines */
  15
  16 #define INTERRUPT_MAX_VIC               16
  17
  18 #define INTERRUPT_WATCHDOG              0
  19 #define INTERRUPT_DBG_COMM_RX           2
  20 #define INTERRUPT_DBG_COMM_TX           3
  21 #define INTERRUPT_TIMER0                4
  22 #define INTERRUPT_TIMER1                5
  23 #define INTERRUPT_UART0                 6
  24 #define INTERRUPT_UART1                 7
  25 #define INTERRUPT_PWM                   8
  26 #define INTERRUPT_I2C                   9
  27 #define INTERRUPT_SPI0                  10
  28 #define INTERRUPT_SPI1                  11
  29 #define INTERRUPT_PLL                   12
  30 #define INTERRUPT_RTC                   13
  31 #define INTERRUPT_EINT0                 14
  32 #define INTERRUPT_EINT1                 15
  33 #define INTERRUPT_EINT2                 16
  34 #define INTERRUPT_EINT3                 17
  35 #define INTERRUPT_ADC                   18
  36
  37 #define INTERRUPT_MODE_IRQ              0
  38 #define INTERRUPT_MODE_VIRQ             1
  39 #define INTERRUPT_MODE_FIQ              2
  40
  41 #define INTERRUPT_EXT_MODE_EDGE         0
  42 #define INTERRUPT_EXT_MODE_LEVEL        1
  43 #define INTERRUPT_EXT_POLAR_LOW         0
  44 #define INTERRUPT_EXT_POLAR_HIGH        1
  45 #define INTERRUPT_EXT_NOWAKE            0
  46 #define INTERRUPT_EXT_WAKEUP            1
  47
  48 #define INTERRUPT_EXT0                  0
  49 #define INTERRUPT_EXT1                  1
  50 #define INTERRUPT_EXT2                  2
  51 #define INTERRUPT_EXT3                  3
  52
  53 #define INTERRUPT_TC0                   0
  54 #define INTERRUPT_TC1                   1
  55
  56 #define INTERRUPT_TC_MODE_T             0x00
  57 #define INTERRUPT_TC_MODE_CR            0x01
  58 #define INTERRUPT_TC_MODE_CF            0x02
  59 #define INTERRUPT_TC_MODE_CB            0x03
  60
  61 #define INTERRUPT_TC_MATCH_IR           0x01
  62 #define INTERRUPT_TC_MATCH_RESET        0x02
  63 #define INTERRUPT_TC_MATCH_STOP         0x04
  64
  65 #define INTERRUPT_M0                    0
  66 #define INTERRUPT_M1                    1
  67 #define INTERRUPT_M2                    2
  68 #define INTERRUPT_M3                    3
  69
  70 #define INTERRUPT_TC_CAPT_R             0x01
  71 #define INTERRUPT_TC_CAPT_F             0x02
  72 #define INTERRUPT_TC_CAPT_I             0x04
  73
  74 #define INTERRUPT_C0                    0
  75 #define INTERRUPT_C1                    1
  76 #define INTERRUPT_C2                    2
  77 #define INTERRUPT_C3                    3
  78
  79 #define INTERRUPT_MATCH0                0x01
  80 #define INTERRUPT_MATCH1                0x02
  81 #define INTERRUPT_MATCH2                0x04
  82 #define INTERRUPT_MATCH3                0x08
  83 #define INTERRUPT_CAP0                  0x10
  84 #define INTERRUPT_CAP1                  0x20
  85 #define INTERRUPT_CAP2                  0x40
  86 #define INTERRUPT_CAP3                  0x80
  87
  88 #define INTERRUPT_PWM0                  0x01
  89 #define INTERRUPT_PWM1                  0x02
  90 #define INTERRUPT_PWM2                  0x04
  91 #define INTERRUPT_PWM3                  0x08
  92 #define INTERRUPT_PWM4                  0x10
  93 #define INTERRUPT_PWM5                  0x20
  94 #define INTERRUPT_PWM6                  0x40
  95
  96 #define INTERRUPT_SET                   0x00
  97 #define INTERRUPT_USED                  0x01
  98 #define INTERRUPT_PRIORITY_USED         0x02
  99 #define INTERRUPT_CALLBACK_CHANGED      0x03
 100 #define INTERRUPT_SRC_NOT_USED          0x04
 101
 102 /* type definitions */
 103
 104 typedef struct s_interrupt {
 105         void (*default_soft_callback)(void);
 106         void (*fiq_callback)(void);
 107 } t_interrupt;
 108
 109 /* function prototypes */
 110
 111 void interrupt_init(void);
 112 void interrupt_set_default_callback(u32 callback_addr);
 113 void interrupt_set_soft_callback(void (*callback)(void));
 114 void interrupt_set_fiq_callback(void (*callback)(void));
 115 void interrupt_soft_clear(u8 src_number);
 116 void interrupt_clear(u8 src_number);
 117 void interrupt_soft_enable(u8 src_number);
 118 int interrupt_enable(u8 src_number,u8 mode,u8 prio,u32 callback_addr);
 119 int interrupt_change_callback(u8 src_number,u32 callback_addr);
 120
 121 void interrupt_ext_ir_config(u8 eint,u8 wakeup,u8 mode,u8 polarity);
 122 void interrupt_ext_ir_set(u8 eint);
 123 void interrupt_ack(void);
 124
 125 void interrupt_tc_config(u8 tcnum,u8 mode,u8 cap,u32 psc);
 126 void interrupt_tc_match_config(u8 tcnum,u8 mnum,u32 val,u8 mode);
 127 void interrupt_tc_capt_config(u8 tcnum,u8 cnum,u8 mode);
 128 void interrupt_tc_ir_set(u8 tcnum,u8 tcmc);
 129 void interrupt_tc_enable(u8 tcnum);
 130
 131 void interrupt_pwm_ir_set(u8 pwm_channel);
 132
 133 void interrupt_handler_reset(void);
 134 void interrupt_handler_undef_instruction(void);
 135 void interrupt_handler_soft_ir(void);
 136 void interrupt_handler_prefetch_abort(void);
 137 void interrupt_handler_data_abort(void);
 138 void interrupt_handler_fiq(void);
 139
 140 #endif