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@ -39,6 +39,8 @@
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#ifndef _FASTIO_DUE_H
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#define _FASTIO_DUE_H
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#include <pins_arduino.h>
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/**
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* Utility functions
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*/
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@ -64,7 +66,7 @@
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// Write to a pin
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#define _WRITE_VAR(IO,V) do { \
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volatile Pio* port = g_APinDescription[IO].pPort; \
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volatile Pio* port = digitalPinToPort(IO); \
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uint32_t mask = g_APinDescription[IO].ulPin; \
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if (V) port->PIO_SODR = mask; \
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else port->PIO_CODR = mask; \
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@ -84,26 +86,19 @@
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// Set pin as input
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#define _SET_INPUT(IO) do{ \
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pmc_enable_periph_clk(g_APinDescription[IO].ulPeripheralId); \
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PIO_Configure(g_APinDescription[IO].pPort, PIO_INPUT, g_APinDescription[IO].ulPin, 0); \
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PIO_Configure(g_APinDescription[IO].pPort, PIO_INPUT, digitalPinToBitMask(IO), 0); \
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}while(0)
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// Set pin as output
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#define _SET_OUTPUT(IO) do{ \
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pmc_enable_periph_clk(g_APinDescription[IO].ulPeripheralId); \
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PIO_Configure(g_APinDescription[IO].pPort, _READ(IO) ? PIO_OUTPUT_1 : PIO_OUTPUT_0, g_APinDescription[IO].ulPin, g_APinDescription[IO].ulPinConfiguration); \
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PIO_Configure(g_APinDescription[IO].pPort, _READ(IO) ? PIO_OUTPUT_1 : PIO_OUTPUT_0, digitalPinToBitMask(IO), g_APinDescription[IO].ulPinConfiguration); \
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g_pinStatus[IO] = (g_pinStatus[IO] & 0xF0) | PIN_STATUS_DIGITAL_OUTPUT;\
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}while(0)
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// Set pin as input with pullup mode
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#define _PULLUP(IO,V) pinMode(IO, (V) ? INPUT_PULLUP : INPUT)
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// Check if pin is an input
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#define _GET_INPUT(IO)
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// Check if pin is an output
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#define _GET_OUTPUT(IO)
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// Check if pin is a timer
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#define _GET_TIMER(IO)
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// Read a pin (wrapper)
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#define READ(IO) _READ(IO)
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@ -120,13 +115,16 @@
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#define SET_INPUT_PULLUP(IO) do{ _SET_INPUT(IO); _PULLUP(IO, HIGH); }while(0)
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// Set pin as output (wrapper) - reads the pin and sets the output to that value
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#define SET_OUTPUT(IO) _SET_OUTPUT(IO)
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// Check if pin is an input (wrapper)
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#define GET_INPUT(IO) _GET_INPUT(IO)
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// Check if pin is an output (wrapper)
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#define GET_OUTPUT(IO) _GET_OUTPUT(IO)
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// Check if pin is a timer (wrapper)
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#define GET_TIMER(IO) _GET_TIMER(IO)
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// Check if pin is an input
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#define GET_INPUT(IO) !(digitalPinToPort(IO)->PIO_OSR & digitalPinToBitMask(IO))
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// Check if pin is an output
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#define GET_OUTPUT(IO) !!(digitalPinToPort(IO)->PIO_OSR & digitalPinToBitMask(IO))
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// Check if pin is a timer
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#define GET_TIMER(IO) ( \
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(g_APinDescription[IO].ulPinAttribute & PIN_ATTR_TIMER) == PIN_ATTR_TIMER \
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|| (g_APinDescription[IO].ulPinAttribute & PIN_ATTR_PWM) == PIN_ATTR_PWM \
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)
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// Shorthand
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#define OUT_WRITE(IO,V) { SET_OUTPUT(IO); WRITE(IO,V); }
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