57 lines
1.3 KiB
C
57 lines
1.3 KiB
C
#ifndef AD_7714_H
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#define AD_7714_H
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#include <inttypes.h>
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/* AD7714 COM register */
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#define AD_COM_REG (0<<4)
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#define AD_MODE_REG (1<<4)
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#define AD_F_HIGH_REG (2<<4)
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#define AD_F_LOW_REG (3<<4)
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#define AD_TEST_REG (4<<4)
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#define AD_DATA_REG (5<<4)
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#define AD_ZS_CAL_REG (6<<4)
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#define AD_FS_CAL_REG (7<<4)
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#define AD_WR (1<<3)
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#define AD_FD0 (4<<0)
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#define AD_FD1 (5<<0)
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#define AD_FD2 (6<<0)
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/* AD7714 MODE register */
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#define AD_NOR_MOD (0<<5)
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#define AD_SELFCAL_MOD (1<<5)
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#define AD_ZS_SYSCAL_MOD (2<<5)
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#define AD_FS_SYSCAL_MOD (3<<5)
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#define AD_SYSOFFCAL_MOD (4<<5)
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#define AD_BG_CAL_MOD (5<<5)
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#define AD_ZS_SELFCAL_MOD (6<<5)
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#define AD_FS_SELFCAL_MOD (7<<5)
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#define AD_GAIN_1 (0<<2)
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#define AD_GAIN_2 (1<<2)
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#define AD_GAIN_4 (2<<2)
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#define AD_GAIN_8 (3<<2)
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#define AD_GAIN_16 (4<<2)
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#define AD_GAIN_32 (5<<2)
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#define AD_GAIN_64 (6<<2)
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#define AD_GAIN_128 (7<<2)
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#define AD_BO (1<<1)
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#define AD_FSYNC (1<<0)
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#define Ad7714_Disable_It() { cbi(EIMSK, INT6); }
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#define Ad7714_Enable_It() { sbi(EIMSK, INT6); }
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#define Ad7714_Ready() (bit_is_clear(EIFR, INTF6))
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extern uint16_t ad7714_sample;
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extern uint8_t ad7714_sample_read;
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void ad7714_init( void );
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void ad7714_on_spi_it( void );
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void ad7714_on_it( void );
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#endif /* AD_7714_H */
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