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75 lines
1.7 KiB
75 lines
1.7 KiB
/** @file system.h
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@author M. P. Hayes, UCECE
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@date 15 May 2007
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@brief System specific definitions
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*/
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#ifndef SYSTEM_H
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#define SYSTEM_H
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/* Data typedefs. */
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#include <stdint.h>
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typedef uint8_t bool;
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/* Useful macros. */
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#define BIT(X) (1 << (X))
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#define ARRAY_SIZE(ARRAY) (sizeof (ARRAY) / sizeof (ARRAY[0]))
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#define __unused__ __attribute__ ((unused))
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/* Clock frequency Hz. */
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#define F_CPU 8000000
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/* LED matrix columns. */
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#define LEDMAT_COL1_PIO PIO_DEFINE(PORT_C, 6)
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#define LEDMAT_COL2_PIO PIO_DEFINE(PORT_B, 7)
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#define LEDMAT_COL3_PIO PIO_DEFINE(PORT_C, 4)
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#define LEDMAT_COL4_PIO PIO_DEFINE(PORT_C, 7)
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#define LEDMAT_COL5_PIO PIO_DEFINE(PORT_C, 5)
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#define LEDMAT_COLS_NUM 5
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/* LED matrix rows. */
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#define LEDMAT_ROW1_PIO PIO_DEFINE(PORT_B, 6)
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#define LEDMAT_ROW2_PIO PIO_DEFINE(PORT_B, 5)
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#define LEDMAT_ROW3_PIO PIO_DEFINE(PORT_B, 4)
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#define LEDMAT_ROW4_PIO PIO_DEFINE(PORT_B, 3)
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#define LEDMAT_ROW5_PIO PIO_DEFINE(PORT_B, 2)
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#define LEDMAT_ROW6_PIO PIO_DEFINE(PORT_B, 1)
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#define LEDMAT_ROW7_PIO PIO_DEFINE(PORT_B, 0)
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#define LEDMAT_ROWS_NUM 7
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/* Button. */
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#define BUTTON1 0
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#define BUTTON1_PIO PIO_DEFINE(PORT_D, 7)
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/* Navswitch. */
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#define NAVSWITCH_PUSH_PIO LEDMAT_COL3_PIO
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#define NAVSWITCH_EAST_PIO LEDMAT_COL1_PIO
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#define NAVSWITCH_WEST_PIO LEDMAT_COL2_PIO
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#define NAVSWITCH_NORTH_PIO LEDMAT_COL4_PIO
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#define NAVSWITCH_SOUTH_PIO LEDMAT_COL5_PIO
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/* LED (active high). */
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#define LED1 0
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#define LED1_PIO PIO_DEFINE(PORT_C, 2)
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/* Infrared transmitter LED and receiver. */
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#define IR_TX_LOW_PIO PIO_DEFINE(PORT_D, 3)
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#define IR_TX_HIGH_PIO PIO_DEFINE(PORT_D, 0)
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#define IR_RX_PIO PIO_DEFINE(PORT_D, 2)
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#define IR_MODULATION_FREQ 36e3
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void system_init (void);
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#endif
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