Makefile with libs and atmel source

sam3s_example/atmel_softpack_libraries/libchip_sam3s/source/supc.c

@@ -0,0 +1,196 @@
+/* ----------------------------------------------------------------------------
+ *         ATMEL Microcontroller Software Support
+ * ----------------------------------------------------------------------------
+ * Copyright (c) 2008, 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.
+ * ----------------------------------------------------------------------------
+ */
+
+//------------------------------------------------------------------------------
+//         Headers
+//------------------------------------------------------------------------------
+
+#include "chip.h"
+
+#include <assert.h>
+
+//------------------------------------------------------------------------------
+//         Local definitions
+//------------------------------------------------------------------------------
+
+/// Key value for the SUPC_MR register.
+#define SUPC_KEY            ((uint32_t) (0xA5 << 24))
+
+//------------------------------------------------------------------------------
+//         Global functions
+//------------------------------------------------------------------------------
+
+#if !defined(__ICCARM__)
+__attribute__ ((section (".ramfunc"))) // GCC
+#endif
+//------------------------------------------------------------------------------
+/// Enables the flash power supply with the given wake-up setting.
+/// \param time  Wake-up time.
+//------------------------------------------------------------------------------
+void SUPC_EnableFlash( Supc* pSupc, uint32_t dwTime )
+{
+    pSupc->SUPC_FWUTR = dwTime ;
+    pSupc->SUPC_MR = SUPC_KEY | pSupc->SUPC_MR | AT91C_SUPC_FLASHON ;
+
+    while ((pSupc->SUPC_SR & AT91C_SUPC_FLASHS) != AT91C_SUPC_FLASHS) ;
+}
+
+#if !defined(__ICCARM__)
+__attribute__ ((section (".ramfunc"))) // GCC
+#endif
+//------------------------------------------------------------------------------
+/// Disables the flash power supply.
+//------------------------------------------------------------------------------
+void SUPC_DisableFlash( Supc* pSupc )
+{
+    pSupc->SUPC_MR = SUPC_KEY | (pSupc->SUPC_MR & ~AT91C_SUPC_FLASHON) ;
+
+    while ((pSupc->SUPC_SR & AT91C_SUPC_FLASHS) == AT91C_SUPC_FLASHS) ;
+}
+
+//------------------------------------------------------------------------------
+/// Sets the voltage regulator output voltage.
+/// \param voltage  Voltage to set.
+//------------------------------------------------------------------------------
+void SUPC_SetVoltageOutput( Supc* pSupc, uint32_t dwVoltage )
+{
+    assert( (voltage & ~AT91C_SUPC_VRVDD) == 0 ) ;
+
+    pSupc->SUPC_MR = SUPC_KEY | (pSupc->SUPC_MR & ~AT91C_SUPC_VRVDD) | dwVoltage ;
+}
+
+//------------------------------------------------------------------------------
+/// Puts the voltage regulator in deep mode.
+//------------------------------------------------------------------------------
+void SUPC_EnableDeepMode( Supc* pSupc )
+{
+    pSupc->SUPC_MR = SUPC_KEY | pSupc->SUPC_MR | AT91C_SUPC_VRDEEP ;
+}
+
+//------------------------------------------------------------------------------
+/// Puts the voltage regulator in normal mode.
+//------------------------------------------------------------------------------
+void SUPC_DisableDeepMode( Supc* pSupc )
+{
+    pSupc->SUPC_MR = SUPC_KEY | (pSupc->SUPC_MR & ~AT91C_SUPC_VRDEEP) ;
+}
+
+//-----------------------------------------------------------------------------
+/// Enables the backup SRAM power supply, so its data is saved while the device
+/// is in backup mode.
+//-----------------------------------------------------------------------------
+void SUPC_EnableSram( Supc* pSupc )
+{
+    pSupc->SUPC_MR = SUPC_KEY | pSupc->SUPC_MR | AT91C_SUPC_SRAMON ;
+}
+
+//-----------------------------------------------------------------------------
+/// Disables the backup SRAM power supply.
+//-----------------------------------------------------------------------------
+void SUPC_DisableSram( Supc* pSupc )
+{
+    pSupc->SUPC_MR = SUPC_KEY | (pSupc->SUPC_MR & ~AT91C_SUPC_SRAMON) ;
+}
+
+//-----------------------------------------------------------------------------
+/// Enables the RTC power supply.
+//-----------------------------------------------------------------------------
+void SUPC_EnableRtc( Supc* pSupc )
+{
+    pSupc->SUPC_MR = SUPC_KEY | pSupc->SUPC_MR | AT91C_SUPC_RTCON ;
+
+    while ((pSupc->SUPC_SR & AT91C_SUPC_RTS) != AT91C_SUPC_RTS) ;
+}
+
+//-----------------------------------------------------------------------------
+/// Disables the RTC power supply.
+//-----------------------------------------------------------------------------
+void SUPC_DisableRtc( Supc* pSupc )
+{
+    pSupc->SUPC_MR = SUPC_KEY | (pSupc->SUPC_MR & ~AT91C_SUPC_RTCON) ;
+
+    while ((pSupc->SUPC_SR & AT91C_SUPC_RTS) == AT91C_SUPC_RTS);
+}
+
+//-----------------------------------------------------------------------------
+/// Sets the BOD sampling mode (or disables it).
+/// \param mode  BOD sampling mode.
+//-----------------------------------------------------------------------------
+void SUPC_SetBodSampling( Supc* pSupc, uint32_t dwMode )
+{
+    assert( (dwMode & ~AT91C_SUPC_BODSMPL) == 0 ) ;
+    
+    pSupc->SUPC_BOMR &= ~AT91C_SUPC_BODSMPL;
+    pSupc->SUPC_BOMR |= dwMode ;
+}
+
+//------------------------------------------------------------------------------
+/// Disables the voltage regulator, which makes the device enter backup mode.
+//------------------------------------------------------------------------------
+void SUPC_DisableVoltageRegulator( Supc* pSupc )
+{
+    pSupc->SUPC_CR = SUPC_KEY | AT91C_SUPC_VROFF ;
+
+    while ( 1 ) ;
+}
+
+//------------------------------------------------------------------------------
+/// Shuts the device down so it enters Off mode.
+//------------------------------------------------------------------------------
+void SUPC_Shutdown( Supc* pSupc )
+{
+    pSupc->SUPC_CR = SUPC_KEY | AT91C_SUPC_SHDW ;
+
+    while (1);
+}
+
+//------------------------------------------------------------------------------
+/// Sets the wake-up sources when in backup mode.
+/// \param sources  Wake-up sources to enable.
+//------------------------------------------------------------------------------
+void SUPC_SetWakeUpSources( Supc* pSupc, uint32_t dwSources )
+{
+    assert( (dwSources & ~0x0000000B) == 0 ) ;
+    
+    pSupc->SUPC_WUMR &= ~0x0000000B;
+    pSupc->SUPC_WUMR |= dwSources ;
+}
+
+//------------------------------------------------------------------------------
+/// Sets the wake-up inputs when in backup mode.
+/// \param inputs  Wake up inputs to enable.
+//------------------------------------------------------------------------------
+void SUPC_SetWakeUpInputs( Supc* pSupc, uint32_t dwInputs )
+{
+    assert( (dwInputs & ~0xFFFF) == 0 ) ;
+    
+    pSupc->SUPC_WUIR &= ~0xFFFF ;
+    pSupc->SUPC_WUIR |= dwInputs ;
+}
+