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57 lines
1.4 KiB
57 lines
1.4 KiB
8 years ago
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/**
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* \file
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* Pin definitions
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*/
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#ifndef WavePinDefs_h
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#define WavePinDefs_h
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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 DDRB
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#define MCP_DAC2_CS_DDR DDRB
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/** Port register for DAC chip select. */
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#define MCP_DAC_CS_PORT PORTB
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/** Port bit number for DAC chip select. */
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#define MCP_DAC_CS_BIT 2
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#define MCP_DAC2_CS_BIT 1
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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 DDRB
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/** Port register for DAC clock. */
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#define MCP_DAC_SCK_PORT PORTB
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/** Port bit number for DAC clock. */
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#define MCP_DAC_SCK_BIT 5
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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 DDRB
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/** Port register for DAC clock. */
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#define MCP_DAC_SDI_PORT PORTB
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/** Port bit number for DAC clock. */
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#define MCP_DAC_SDI_BIT 3
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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 DDRD
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/** Port register for Latch DAC Input. */
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#define MCP_DAC_LDAC_PORT PORTD
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/** Port bit number for Latch DAC Input. */
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#define MCP_DAC_LDAC_BIT 7
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#endif // USE_MCP_DAC_LDAC
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#endif // WavePinDefs_h
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