added basic code

1 files changed, 76 insertions, 0 deletions

diff --git a/arduino/cores/nRF5/wiring_digital.h b/arduino/cores/nRF5/wiring_digital.h
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+/*
+  Copyright (c) 2014 Arduino.  All right reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+  See the GNU Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#ifndef _WIRING_DIGITAL_
+#define _WIRING_DIGITAL_
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+// #include "WVariant.h"
+
+/**
+ * \brief Configures the specified pin to behave either as an input or an output. See the description of digital pins for details.
+ *
+ * \param ulPin The number of the pin whose mode you wish to set
+ * \param ulMode Can be INPUT, OUTPUT, INPUT_PULLUP or INPUT_PULLDOWN
+ */
+extern void pinMode( uint32_t dwPin, uint32_t dwMode ) ;
+
+/**
+ * \brief Write a HIGH or a LOW value to a digital pin.
+ *
+ * If the pin has been configured as an OUTPUT with pinMode(), its voltage will be set to the
+ * corresponding value: 5V (or 3.3V on 3.3V boards) for HIGH, 0V (ground) for LOW.
+ *
+ * If the pin is configured as an INPUT, writing a HIGH value with digitalWrite() will enable an internal
+ * 20K pullup resistor (see the tutorial on digital pins). Writing LOW will disable the pullup. The pullup
+ * resistor is enough to light an LED dimly, so if LEDs appear to work, but very dimly, this is a likely
+ * cause. The remedy is to set the pin to an output with the pinMode() function.
+ *
+ * \note Digital pin PIN_LED is harder to use as a digital input than the other digital pins because it has an LED
+ * and resistor attached to it that's soldered to the board on most boards. If you enable its internal 20k pull-up
+ * resistor, it will hang at around 1.7 V instead of the expected 5V because the onboard LED and series resistor
+ * pull the voltage level down, meaning it always returns LOW. If you must use pin PIN_LED as a digital input, use an
+ * external pull down resistor.
+ *
+ * \param dwPin the pin number
+ * \param dwVal HIGH or LOW
+ */
+extern void digitalWrite( uint32_t dwPin, uint32_t dwVal ) ;
+
+/**
+ * \brief Reads the value from a specified digital pin, either HIGH or LOW.
+ *
+ * \param ulPin The number of the digital pin you want to read (int)
+ *
+ * \return HIGH or LOW
+ */
+extern int digitalRead( uint32_t ulPin ) ;
+
+extern void digitalToggle( uint32_t pin );
+
+void ledOn(uint32_t pin);
+void ledOff(uint32_t pin);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _WIRING_DIGITAL_ */