import at91lib from at91lib_20100901_softpack_1_9_v_1_0_svn_v1501120100901_softpack_1_9_v_1_0_svn_v15011

it's sad to see that atmel doesn't publish their svn repo or has
a centralized location or even puts proper version/release info
into the library itself

3 files changed, 208 insertions, 0 deletions

diff --git a/peripherals/rtt/rtt.c b/peripherals/rtt/rtt.c
new file mode 100644
index 0000000..5322108
--- /dev/null
+++ b/peripherals/rtt/rtt.c
@@ -0,0 +1,93 @@
+/* ----------------------------------------------------------------------------

+ *         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 "rtt.h"

+#include <utility/assert.h>

+

+//------------------------------------------------------------------------------

+//         Exported functions

+//------------------------------------------------------------------------------

+

+//------------------------------------------------------------------------------

+/// Changes the prescaler value of the given RTT and restarts it. This function

+/// disables RTT interrupt sources.

+/// \param rtt  Pointer to a AT91S_RTTC instance.

+/// \param prescaler  Prescaler value for the RTT.

+//------------------------------------------------------------------------------

+void RTT_SetPrescaler(AT91S_RTTC *rtt, unsigned short prescaler)

+{

+    rtt->RTTC_RTMR = (prescaler | AT91C_RTTC_RTTRST);

+}

+

+//------------------------------------------------------------------------------

+/// Returns the current value of the RTT timer value.

+/// \param rtt  Pointer to a AT91S_RTTC instance.

+//------------------------------------------------------------------------------

+unsigned int RTT_GetTime(AT91S_RTTC *rtt)

+{

+    return rtt->RTTC_RTVR;

+}

+

+//------------------------------------------------------------------------------

+/// Enables the specified RTT interrupt sources.

+/// \param rtt  Pointer to a AT91S_RTTC instance.

+/// \param sources  Bitmask of interrupts to enable.

+//------------------------------------------------------------------------------

+void RTT_EnableIT(AT91S_RTTC *rtt, unsigned int sources)

+{

+    ASSERT((sources & 0x0004FFFF) == 0,

+           "RTT_EnableIT: Wrong sources value.\n\r");

+    rtt->RTTC_RTMR |= sources;

+}

+

+//------------------------------------------------------------------------------

+/// Returns the status register value of the given RTT.

+/// \param rtt  Pointer to an AT91S_RTTC instance.

+//------------------------------------------------------------------------------

+unsigned int RTT_GetStatus(AT91S_RTTC *rtt)

+{

+    return rtt->RTTC_RTSR;

+}

+

+//------------------------------------------------------------------------------

+/// Configures the RTT to generate an alarm at the given time.

+/// \param pRtt  Pointer to an AT91S_RTTC instance.

+/// \param time  Alarm time.

+//------------------------------------------------------------------------------

+void RTT_SetAlarm(AT91S_RTTC *pRtt, unsigned int time)

+{

+    SANITY_CHECK(time > 0);

+

+    pRtt->RTTC_RTAR = time - 1;

+}

+

diff --git a/peripherals/rtt/rtt.dir b/peripherals/rtt/rtt.dir
new file mode 100644
index 0000000..1f91775
--- /dev/null
+++ b/peripherals/rtt/rtt.dir
@@ -0,0 +1,39 @@
+/* ----------------------------------------------------------------------------

+ *         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.

+ * ----------------------------------------------------------------------------

+ */

+

+//------------------------------------------------------------------------------

+/// \dir

+/// !!!Purpose

+///

+/// The #rtt# directory stores a collection of basic APIs to build Real Time Timer

+/// applications with Atmel AT91 microcontrollers.

+///

+/// 

+//------------------------------------------------------------------------------

+

diff --git a/peripherals/rtt/rtt.h b/peripherals/rtt/rtt.h
new file mode 100644
index 0000000..54843c4
--- /dev/null
+++ b/peripherals/rtt/rtt.h
@@ -0,0 +1,76 @@
+/* ----------------------------------------------------------------------------

+ *         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.

+ * ----------------------------------------------------------------------------

+ */

+

+//-----------------------------------------------------------------------------

+/// \unit

+///

+/// !Purpose

+///

+/// Implementation of RTT Real Time Timer controller.

+///

+/// !Contents

+///

+/// Please refer to the list of functions in the #Overview# tab of this unit

+/// for more detailed information.

+//-----------------------------------------------------------------------------

+

+

+#ifndef RTT_H

+#define RTT_H

+

+//------------------------------------------------------------------------------

+//         Headers

+//------------------------------------------------------------------------------

+

+#include <board.h>

+

+//------------------------------------------------------------------------------

+//         Definitions

+//------------------------------------------------------------------------------

+

+#ifndef AT91C_BASE_RTTC

+    #define AT91C_BASE_RTTC         AT91C_BASE_RTTC0

+#endif

+

+//------------------------------------------------------------------------------

+//         Exported functions

+//------------------------------------------------------------------------------

+

+extern void RTT_SetPrescaler(AT91S_RTTC *rtt, unsigned short prescaler);

+

+extern unsigned int RTT_GetTime(AT91S_RTTC *rtt);

+

+extern void RTT_EnableIT(AT91S_RTTC *rtt, unsigned int sources);

+

+extern unsigned int RTT_GetStatus(AT91S_RTTC *rtt);

+

+extern void RTT_SetAlarm(AT91S_RTTC *pRtt, unsigned int time);

+

+#endif //#ifndef RTT_H

+