[SAM] updating CAN transceiver conforming to Arduino API

Author: aethaniel

hardware/arduino/sam/libraries/CAN/sn65hvd234.c

@@ -1,31 +1,21 @@
-/* ----------------------------------------------------------------------------
- *         ATMEL Microcontroller Software Support
- * ----------------------------------------------------------------------------
- * Copyright (c) 2010, Atmel Corporation
- *
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * - Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the disclaimer below.
- *
- * Atmel's name may not be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
- * DISCLAIMED. IN NO EVENT SHALL ATMEL 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.
- * ----------------------------------------------------------------------------
- */
+/*
+  Copyright (c) 2013 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
+*/
+
 /**
   * \file
   *
@@ -46,10 +36,7 @@
  */
 extern uint32_t SN65HVD234_Init( SSN65HVD234_Data* pComponent )
 {
-    pComponent->pPIO_Rs=NULL ;
     pComponent->dwPin_Rs=0u ;
-
-    pComponent->pPIO_EN=NULL ;
     pComponent->dwPin_EN=0u ;
 
     return 0u ;
@@ -64,12 +51,11 @@ extern uint32_t SN65HVD234_Init( SSN65HVD234_Data* pComponent )
  *
  * \return              0 if OK
  */
-extern uint32_t SN65HVD234_SetRs( SSN65HVD234_Data* pComponent, Pio* pPIO_Rs, uint32_t dwPin_Rs )
+extern uint32_t SN65HVD234_SetRs( SSN65HVD234_Data* pComponent, uint32_t dwPin_Rs )
 {
-    pComponent->pPIO_Rs=pPIO_Rs ;
     pComponent->dwPin_Rs=dwPin_Rs ;
 
-    PIO_SetOutput( pPIO_Rs, dwPin_Rs, 0, 0, 1 ) ;
+    pinMode( dwPin_Rs, OUTPUT ) ;
 
     return 0u ;
 }
@@ -83,12 +69,11 @@ extern uint32_t SN65HVD234_SetRs( SSN65HVD234_Data* pComponent, Pio* pPIO_Rs, ui
  *
  * \return              0 if OK
  */
-extern uint32_t SN65HVD234_SetEN( SSN65HVD234_Data* pComponent, Pio* pPIO_EN, uint32_t dwPin_EN )
+extern uint32_t SN65HVD234_SetEN( SSN65HVD234_Data* pComponent, uint32_t dwPin_EN )
 {
-    pComponent->pPIO_EN=pPIO_EN ;
     pComponent->dwPin_EN=dwPin_EN ;
 
-    PIO_SetOutput( pPIO_EN, dwPin_EN, 0, 0, 1 ) ;
+    pinMode( dwPin_EN, OUTPUT ) ;
 
     return 0u ;
 }
@@ -103,7 +88,7 @@ extern uint32_t SN65HVD234_SetEN( SSN65HVD234_Data* pComponent, Pio* pPIO_EN, ui
 extern uint32_t SN65HVD234_Enable( SSN65HVD234_Data* pComponent )
 {
     // Raise EN of SN65HVD234 to High Level (Vcc)
-    pComponent->pPIO_EN->PIO_SODR=pComponent->dwPin_EN ;
+    digitalWrite( pComponent->dwPin_EN, HIGH ) ;
 
     return 0u ;
 }
@@ -118,7 +103,7 @@ extern uint32_t SN65HVD234_Enable( SSN65HVD234_Data* pComponent )
 extern uint32_t SN65HVD234_Disable( SSN65HVD234_Data* pComponent )
 {
     // Lower EN of SN65HVD234 to Low Level (0.0v)
-    pComponent->pPIO_EN->PIO_CODR=pComponent->dwPin_EN ;
+    digitalWrite( pComponent->dwPin_EN, LOW ) ;
 
     return 0u ;
 }
@@ -133,7 +118,7 @@ extern uint32_t SN65HVD234_Disable( SSN65HVD234_Data* pComponent )
 extern uint32_t SN65HVD234_EnableLowPower( SSN65HVD234_Data* pComponent )
 {
     // Raise Rs of SN65HVD234 to more than 0.75v
-    pComponent->pPIO_Rs->PIO_SODR=pComponent->dwPin_Rs ;
+    digitalWrite( pComponent->dwPin_Rs, HIGH ) ;
 
     // Now, SN65HVD234 is only listening
 
@@ -150,7 +135,7 @@ extern uint32_t SN65HVD234_EnableLowPower( SSN65HVD234_Data* pComponent )
 extern uint32_t SN65HVD234_DisableLowPower( SSN65HVD234_Data* pComponent )
 {
     // Lower Rs of SN65HVD234 to 0.0v < 0.33v
-    pComponent->pPIO_Rs->PIO_CODR=pComponent->dwPin_Rs ;
+    digitalWrite( pComponent->dwPin_Rs, LOW ) ;
 
     return 0u ;
 }

hardware/arduino/sam/libraries/CAN/sn65hvd234.h

@@ -1,31 +1,21 @@
-/* ----------------------------------------------------------------------------
- *         ATMEL Microcontroller Software Support
- * ----------------------------------------------------------------------------
- * Copyright (c) 2010, Atmel Corporation
- *
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * - Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the disclaimer below.
- *
- * Atmel's name may not be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
- * DISCLAIMED. IN NO EVENT SHALL ATMEL 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.
- * ----------------------------------------------------------------------------
- */
+/*
+  Copyright (c) 2013 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
+*/
+
  /**
    *  \file
    *
@@ -44,20 +34,16 @@
 
 typedef struct _SSN65HVD234_Data
 {
-    /** PIO dedicated to Rs pin */
-    Pio* pPIO_Rs ;
     /** Rs Pin on PIO */
     uint32_t dwPin_Rs ;
 
-    /** PIO dedicated to EN pin */
-    Pio* pPIO_EN ;
     /** EN Pin on PIO */
     uint32_t dwPin_EN ;
 } SSN65HVD234_Data ;
 
 extern uint32_t SN65HVD234_Init( SSN65HVD234_Data* pComponent ) ;
-extern uint32_t SN65HVD234_SetRs( SSN65HVD234_Data* pComponent, Pio* pPIO_Rs, uint32_t dwPin_Rs ) ;
-extern uint32_t SN65HVD234_SetEN( SSN65HVD234_Data* pComponent, Pio* pPIO_EN, uint32_t dwPin_EN ) ;
+extern uint32_t SN65HVD234_SetRs( SSN65HVD234_Data* pComponent, uint32_t dwPin_Rs ) ;
+extern uint32_t SN65HVD234_SetEN( SSN65HVD234_Data* pComponent, uint32_t dwPin_EN ) ;
 
 extern uint32_t SN65HVD234_Enable( SSN65HVD234_Data* pComponent ) ;
 extern uint32_t SN65HVD234_Disable( SSN65HVD234_Data* pComponent ) ;