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Removed stuff

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Mark Qvist 2014-04-03 22:29:26 +02:00
parent 268d592c22
commit 6b6042462c
6 changed files with 7 additions and 165 deletions
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54
Modem/hardware.h
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@ -1,6 +1,6 @@
#ifndef HW_AFSK_H
#define HW_AFSK_H
#ifndef FSK_MODEM_HW
#define FSK_MODEM_HW
#include "cfg/cfg_arch.h"
@ -10,64 +10,18 @@ struct Afsk;
void hw_afsk_adcInit(int ch, struct Afsk *_ctx);
void hw_afsk_dacInit(int ch, struct Afsk *_ctx);
/**
* Initialize the specified channel of the ADC for AFSK needs.
* The adc should be configured to have a continuos stream of convertions.
* For every convertion there must be an ISR that read the sample
* and call afsk_adc_isr(), passing the context and the sample.
*
* \param ch channel to be used for AFSK demodulation.
* \param ctx AFSK context (\see Afsk). This parameter must be saved and
* passed back to afsk_adc_isr() for every convertion.
*/
/*
* This macro will be called for AFSK initialization. We could implement everything here as a macro,
* but since initialization is rather complicated we decided to split its own function. Such function
* is defined in hw_afsk.c.
* Remember: since this .c file is not created by the wizard, you must add it to your_project_name.mk.
* If you create the file using BeRTOS SDK, it will be added for you.
*/
#define AFSK_ADC_INIT(ch, ctx) hw_afsk_adcInit(ch, ctx)
/*
* Activate strobe pin. We use it for debugging purposes. If you don't use it, simply
* leave empty the following macros
*/
#define AFSK_STROBE_INIT() do { DDRB |= BV(5); } while (0)
/*
* Set the pin high. This macro is called at the beginning of the interrupt routine
*/
#define AFSK_STROBE_ON() do { PORTB |= BV(5); } while (0)
/*
* Set the pin low. This macro is called at the end of the interrupt routine
*/
#define AFSK_STROBE_OFF() do { PORTB &= ~BV(5); } while (0)
/**
* Initialize the specified channel of the DAC for AFSK needs.
* The DAC has to be configured in order to call an ISR for every sample sent.
* The DAC doesn't have to start the IRQ immediatly but have to wait
* the AFSK driver to call AFSK_DAC_IRQ_START().
* The ISR must then call afsk_dac_isr() passing the AFSK context.
* \param ch DAC channel to be used for AFSK modulation.
* \param ctx AFSK context (\see Afsk). This parameter must be saved and
* passed back to afsk_dac_isr() for every convertion.
*/
// Initialization, start and stop for DAC
#define AFSK_DAC_INIT(ch, ctx) do { (void)ch, (void)ctx; DDRD |= 0xF0; DDRB |= BV(3); } while (0)
/**
* Start DAC convertions on channel \a ch.
* \param ch DAC channel.
*/
#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)
/**
* Stop DAC convertions on channel \a ch.
* \param ch DAC channel.
*/
#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)
#endif /* HW_AFSK_H */
#endif