added basic code

1 files changed, 80 insertions, 0 deletions

diff --git a/arduino/cores/nRF5/wiring_analog.cpp b/arduino/cores/nRF5/wiring_analog.cpp
new file mode 100755
index 0000000..a462fba
--- /dev/null
+++ b/arduino/cores/nRF5/wiring_analog.cpp
@@ -0,0 +1,80 @@
+/**************************************************************************/
+/*!
+    @file     wiring_analog.cpp
+    @author   hathach (tinyusb.org)
+
+    @section LICENSE
+
+    Software License Agreement (BSD License)
+
+    Copyright (c) 2018, Adafruit Industries (adafruit.com)
+    All rights reserved.
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions are met:
+    1. Redistributions of source code must retain the above copyright
+    notice, this list of conditions and the following disclaimer.
+    2. Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions and the following disclaimer in the
+    documentation and/or other materials provided with the distribution.
+    3. Neither the name of the copyright holders nor the
+    names of its contributors may be used to endorse or promote products
+    derived from this software without specific prior written permission.
+
+    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
+    EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
+    DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+    LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+    ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+/**************************************************************************/
+
+#include "Arduino.h"
+
+/* Implement analogWrite() and analogWriteResolution() using
+ * HardwarePWM.
+ *
+ * Note: Arduino's core implement this in C linker. So do we
+ */
+
+extern "C"
+{
+
+/**
+ * This will apply to all PWM Hardware
+ */
+void analogWriteResolution( uint8_t res )
+{
+  HwPWM0.setResolution(res);
+  HwPWM1.setResolution(res);
+  HwPWM2.setResolution(res);
+}
+
+/**
+ * Generate PWM without pre-configured. this function will
+ * configure pin to available HardwarePWM and start it if not started
+ *
+ * @param pin
+ * @param value
+ */
+void analogWrite( uint32_t pin, uint32_t value )
+{
+  for(int i=0; i<HWPWM_MODULE_NUM; i++)
+  {
+    // Added by if needed
+    if ( HwPWMx[i]->addPin(pin) )
+    {
+      HwPWMx[i]->writePin(pin, value);
+      return;
+    }
+  }
+}
+
+}
+
+