kopia lustrzana https://github.com/ArjanteMarvelde/uSDR-pico
33 wiersze
1.1 KiB
C
33 wiersze
1.1 KiB
C
#ifndef _SI5351_H
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#define _SI5351_H
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/*
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* si5351.h
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*
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* Created: 13 March 2021
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* Author: Arjan
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*/
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typedef struct
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{
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uint32_t freq; // type can hold up to 4GHz
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uint8_t flag; // flag != 0 when update needed
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uint8_t phase; // in quarter waves (0, 1, 2, 3)
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uint8_t ri; // Ri (1 .. 128)
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uint8_t msi; // MSi parameter a (4, 6, 8 .. 126)
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float msn; // MSN (24.0 .. 35.9999)
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} vfo_t;
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extern vfo_t vfo[2]; // Table contains all control data for three clk outputs, but 0 and 1 are coupled in vfo[0]
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int si_getreg(uint8_t *data, uint8_t reg, uint8_t len);
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void vfo_init(void);
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void vfo_evaluate(void);
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#define SI_GETFREQ(i) ((((i)>=0)&&((i)<2))?vfo[(i)].freq:0)
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#define SI_INCFREQ(i, d) if ((((i)>=0)&&((i)<2))&&((vfo[(i)].freq)<(150000000-(d)))) { vfo[(i)].freq += (d); vfo[(i)].flag = 1;}
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#define SI_DECFREQ(i, d) if ((((i)>=0)&&((i)<2))&&((vfo[(i)].freq)>(d))) { (vfo[(i)].freq) -= (d); vfo[(i)].flag = 1;}
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#define SI_SETFREQ(i, f) if ((((i)>=0)&&((i)<2))&&((f)<150000000)) { vfo[(i)].freq = (f); vfo[(i)].flag = 1;}
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#endif /* _SI5351_H */ |