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[oswald.git] / metawatch / F5xx_F6xx_Core_Lib / HAL_PMAP.c

diff --git a/metawatch/F5xx_F6xx_Core_Lib/HAL_PMAP.c b/metawatch/F5xx_F6xx_Core_Lib/HAL_PMAP.c
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+++ b/metawatch/F5xx_F6xx_Core_Lib/HAL_PMAP.c
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+/*******************************************************************************
+ *
+ * HAL_PMAP.c
+ * Port Mapper Library for PMAP controller of MSP430F5xx/6xx family
+ * 
+ *
+ * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/ 
+ * 
+ * 
+ *  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 following disclaimer.
+ *
+ *    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.
+ *
+ *    Neither the name of Texas Instruments Incorporated 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 AND CONTRIBUTORS 
+ *  "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 
+ *  OWNER OR CONTRIBUTORS 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.
+ * 
+ * Created: Version 1.0 11/24/2009
+ * Updated: Version 2.0 12/15/2010
+ *  
+ ******************************************************************************/
+
+#include "msp430.h"
+#include "HAL_PMAP.h" 
+#include "portmacro.h"
+
+// Check and define PMAP function only if the device has port mapping capability
+// Note: This macro is defined in the device-specific header file if this
+// feature is available on a given MSP430.
+#ifdef __MSP430_HAS_PORT_MAPPING__ 
+
+void configure_ports(const unsigned char *port_mapping, unsigned char *PxMAPy, 
+                    unsigned char num_of_ports, unsigned char port_map_reconfig)
+{
+  uint16_t i;
+  
+  portENTER_CRITICAL();
+  
+  // Get write-access to port mapping registers:
+  PMAPPWD = PMAPPW;
+  
+  if (port_map_reconfig) {
+    // Allow reconfiguration during runtime:
+    PMAPCTL = PMAPRECFG;
+  }
+  
+  // Configure Port Mapping: 
+  for (i = 0; i < num_of_ports * 8; i++) {
+    PxMAPy[i] = port_mapping[i];
+  }
+  
+  // Disable write-access to port mapping registers:
+  PMAPPWD = 0;
+  
+  portEXIT_CRITICAL();
+}
+
+#endif  /* __MSP430_HAS_PORT_MAPPING__ */