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Refactoring to make explicit D-to-A and PTT pins & ports, and turning on and

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off PTT. This should also help to make porting to another chip easier.
This commit is contained in:
Paul Kronenwetter 2015-10-02 17:39:33 -04:00
parent 373e4d8274
commit a7a167c19b
3 changed files with 38 additions and 15 deletions
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23
hardware/AFSK.h
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@ -142,23 +142,30 @@ typedef struct Afsk
#define AFSK_DAC_IRQ_START() do { extern bool hw_afsk_dac_isr; hw_afsk_dac_isr = true; } while (0)
#define AFSK_DAC_IRQ_STOP() do { extern bool hw_afsk_dac_isr; hw_afsk_dac_isr = false; } while (0)
#define AFSK_DAC_INIT() do { DAC_DDR |= 0xF8; } while (0)
// DAC_PINS equals b11111000 which on port D on Arduino sets D3, D4, D5, D6, D7
// to be outputs.
#define AFSK_DAC_INIT() do { DAC_DDR |= DAC_PINS; } while (0)
// Here's some macros for controlling the RX/TX LEDs
// THE _INIT() functions writes to the DDRB register
// to configure the pins as output pins, and the _ON()
// and _OFF() functions writes to the PORT registers
// to turn the pins on or off.
#define LED_TX_INIT() do { LED_DDR |= _BV(1); } while (0)
#define LED_TX_ON() do { LED_PORT |= _BV(1); } while (0)
#define LED_TX_OFF() do { LED_PORT &= ~_BV(1); } while (0)
#define LED_TX_INIT() do { LED_DDR |= _BV(LED_TX); } while (0)
#define LED_TX_ON() do { LED_PORT |= _BV(LED_TX); } while (0)
#define LED_TX_OFF() do { LED_PORT &= ~_BV(LED_TX); } while (0)
#define LED_RX_INIT() do { LED_DDR |= _BV(2); } while (0)
#define LED_RX_ON() do { LED_PORT |= _BV(2); } while (0)
#define LED_RX_OFF() do { LED_PORT &= ~_BV(2); } while (0)
#define LED_RX_INIT() do { LED_DDR |= _BV(LED_RX); } while (0)
#define LED_RX_ON() do { LED_PORT |= _BV(LED_RX); } while (0)
#define LED_RX_OFF() do { LED_PORT &= ~_BV(LED_RX); } while (0)
// Along the same lines, these initialize and control the PTT signal
#define PTT_INIT() do { PTT_DDR |= _BV(PTT_TX); } while (0)
#define PTT_TX_ON() do { PTT_PORT |= _BV(PTT_TX); } while (0)
#define PTT_TX_OFF() do { PTT_PORT &= ~_BV(PTT_TX); } while (0)
void AFSK_init(Afsk *afsk);
void AFSK_transmit(char *buffer, size_t size);
void AFSK_poll(Afsk *afsk);
#endif
#endif