70 lines
1.9 KiB
C
70 lines
1.9 KiB
C
/**
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* \file
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* Pin definitions
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*/
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#include <ArduinoPins.h>
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#ifndef WavePinDefs_h
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#define WavePinDefs_h
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// SPI pin definitions
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/** SPI slave select pin. Warning: SS may be redefined as another pin
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but the hardware SS_PIN must be set to output mode before any calls to
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WaveHC functions. The SS_PIN can then be used as a general output pin */
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#define SS SS_PIN
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/** SPI master output, slave input pin. */
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#define MOSI MOSI_PIN
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/** SPI master input, slave output pin. */
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#define MISO MISO_PIN
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/** SPI serial clock pin. */
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#define SCK SCK_PIN
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//------------------------------------------------------------------------------
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// DAC pin definitions
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// LDAC may be connected to ground to save a pin
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/** Set USE_MCP_DAC_LDAC to 0 if LDAC is grounded. */
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#define USE_MCP_DAC_LDAC 1
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// use arduino pins 2, 3, 4, 5 for DAC
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// pin 2 is DAC chip select
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/** Data direction register for DAC chip select. */
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#define MCP_DAC_CS_DDR PIN2_DDRREG
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/** Port register for DAC chip select. */
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#define MCP_DAC_CS_PORT PIN2_PORTREG
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/** Port bit number for DAC chip select. */
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#define MCP_DAC_CS_BIT PIN2_BITNUM
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// pin 3 is DAC serial clock
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/** Data direction register for DAC clock. */
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#define MCP_DAC_SCK_DDR PIN3_DDRREG
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/** Port register for DAC clock. */
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#define MCP_DAC_SCK_PORT PIN3_PORTREG
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/** Port bit number for DAC clock. */
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#define MCP_DAC_SCK_BIT PIN3_BITNUM
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// pin 4 is DAC serial data in
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/** Data direction register for DAC serial in. */
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#define MCP_DAC_SDI_DDR PIN4_DDRREG
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/** Port register for DAC clock. */
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#define MCP_DAC_SDI_PORT PIN4_PORTREG
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/** Port bit number for DAC clock. */
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#define MCP_DAC_SDI_BIT PIN4_BITNUM
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// pin 5 is LDAC if used
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#if USE_MCP_DAC_LDAC
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/** Data direction register for Latch DAC Input. */
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#define MCP_DAC_LDAC_DDR PIN5_DDRREG
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/** Port register for Latch DAC Input. */
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#define MCP_DAC_LDAC_PORT PIN5_PORTREG
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/** Port bit number for Latch DAC Input. */
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#define MCP_DAC_LDAC_BIT PIN5_BITNUM
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#endif // USE_MCP_DAC_LDAC
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#endif // WavePinDefs_h
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