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27 lines
897 B
C
27 lines
897 B
C
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#ifndef FSK_MODEM_HW
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#define FSK_MODEM_HW
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#include "cfg/cfg_arch.h"
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#include <avr/io.h>
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struct Afsk;
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void hw_afsk_adcInit(int ch, struct Afsk *_ctx);
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void hw_afsk_dacInit(int ch, struct Afsk *_ctx);
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// ADC initialization
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#define AFSK_ADC_INIT(ch, ctx) hw_afsk_adcInit(ch, ctx)
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// LED on/off (pin 13)
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#define AFSK_STROBE_INIT() do { DDRB |= BV(5); } while (0)
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#define AFSK_STROBE_ON() do { PORTB |= BV(5); } while (0)
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#define AFSK_STROBE_OFF() do { PORTB &= ~BV(5); } while (0)
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// Initialization, start and stop for DAC
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#define AFSK_DAC_INIT(ch, ctx) do { (void)ch, (void)ctx; DDRD |= 0xF0; DDRB |= BV(3); } while (0)
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#define AFSK_DAC_IRQ_START(ch) do { (void)ch; extern bool hw_afsk_dac_isr; PORTB |= BV(3); hw_afsk_dac_isr = true; } while (0)
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#define AFSK_DAC_IRQ_STOP(ch) do { (void)ch; extern bool hw_afsk_dac_isr; PORTB &= ~BV(3); hw_afsk_dac_isr = false; } while (0)
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#endif
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