Initial version

arduino/libraries/SPIS/src/SPIS.h

@@ -0,0 +1,58 @@
+/*
+  This file is part of the MKR WiFi 1010 firmware.
+  Copyright (C) 2018  Arduino AG (http://www.arduino.cc/)
+
+  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 Street, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#ifndef SPIS_H
+#define SPIS_H
+
+#include <driver/spi_common.h>
+#include <driver/spi_slave.h>
+
+class SPISClass {
+
+  public:
+    SPISClass(spi_host_device_t hostDevice, int dmaChannel, int mosiPin, int misoPin, int sclkPin, int csPin, int readyPin);
+
+    int begin();
+    int transfer(uint8_t out[], uint8_t in[], size_t len);
+
+  private:
+    static void onChipSelect();
+    void handleOnChipSelect();
+
+    static void onSetupComplete(spi_slave_transaction_t*);
+    void handleSetupComplete();
+
+  private:
+    spi_host_device_t _hostDevice;
+    int _dmaChannel;
+    int _mosiPin;
+    int _misoPin;
+    int _sclkPin;
+    int _csPin;
+    int _readyPin;
+
+    intr_handle_t _csIntrHandle;
+
+    SemaphoreHandle_t _readySemaphore;
+};
+
+extern SPISClass SPIS;
+
+#endif
+