Add SAMA5D2 Xplained IAR demo.

[freertos] / FreeRTOS / Demo / CORTEX_A5_SAMA5D2x_Xplained_IAR / AtmelFiles / drivers / peripherals / pit.h

diff --git a/FreeRTOS/Demo/CORTEX_A5_SAMA5D2x_Xplained_IAR/AtmelFiles/drivers/peripherals/pit.h b/FreeRTOS/Demo/CORTEX_A5_SAMA5D2x_Xplained_IAR/AtmelFiles/drivers/peripherals/pit.h
new file mode 100644 (file)
index 0000000..80b357e
--- /dev/null
+++ b/FreeRTOS/Demo/CORTEX_A5_SAMA5D2x_Xplained_IAR/AtmelFiles/drivers/peripherals/pit.h
@@ -0,0 +1,121 @@
+/* ----------------------------------------------------------------------------\r
+ *         SAM Software Package License\r
+ * ----------------------------------------------------------------------------\r
+ * Copyright (c) 2011, Atmel Corporation\r
+ *\r
+ * All rights reserved.\r
+ *\r
+ * Redistribution and use in source and binary forms, with or without\r
+ * modification, are permitted provided that the following conditions are met:\r
+ *\r
+ * - Redistributions of source code must retain the above copyright notice,\r
+ * this list of conditions and the disclaimer below.\r
+ *\r
+ * Atmel's name may not be used to endorse or promote products derived from\r
+ * this software without specific prior written permission.\r
+ *\r
+ * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR\r
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF\r
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE\r
+ * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,\r
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT\r
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,\r
+ * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF\r
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING\r
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,\r
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\r
+ * ----------------------------------------------------------------------------\r
+ */\r
+\r
+#ifndef _PIT_H_\r
+#define _PIT_H_\r
+\r
+/*------------------------------------------------------------------------------\r
+ *         Headers\r
+ *------------------------------------------------------------------------------*/\r
+\r
+#include <stdint.h>\r
+\r
+/*----------------------------------------------------------------------------\r
+ *        Exported functions\r
+ *----------------------------------------------------------------------------*/\r
+\r
+#ifdef __cplusplus\r
+extern "C" {\r
+#endif\r
+\r
+/**\r
+* \brief Initialize the Periodic Interval Timer to generate a tick at the\r
+* specified period, given the current master clock frequency.\r
+*\r
+*  \param period Period in micro seconds.\r
+*/\r
+extern void pit_init(uint32_t period);\r
+\r
+/**\r
+ * \brief Set the Periodic Interval Value of the PIT.\r
+ *\r
+ *  \param piv  PIV value to set.\r
+ */\r
+extern void pit_set_piv(uint32_t piv);\r
+\r
+/**\r
+ * \brief Enables the PIT if this is not already the case.\r
+ *\r
+ */\r
+extern void pit_enable(void);\r
+\r
+/**\r
+ * \brief Disnables the PIT when PIV value is reached.\r
+ *\r
+ */\r
+extern void pit_disable(void);\r
+\r
+/**\r
+ * \brief Enable the PIT periodic interrupt.\r
+ *\r
+ */\r
+extern void pit_enable_it(void);\r
+\r
+/**\r
+ * \brief Disables the PIT periodic interrupt.\r
+ *\r
+ */\r
+extern void pit_disable_it(void);\r
+\r
+/**\r
+ * \brief Returns the value of the PIT mode register.\r
+ *\r
+ * \return PIT_MR value.\r
+ */\r
+extern uint32_t pit_get_mode(void);\r
+\r
+/**\r
+ * \brief Returns the value of the PIT status register, clearing it as\r
+ * a side effect.\r
+ *\r
+ * \return PIT_SR value.\r
+ */\r
+extern uint32_t pit_get_status(void);\r
+\r
+/**\r
+ * \brief Returns the value of the PIT Image Register, to read PICNT\r
+ *  and CPIV without clearing the current values.\r
+ *\r
+ * \return PIT_PIIR value.\r
+ */\r
+extern uint32_t pit_get_piir(void);\r
+\r
+/**\r
+ * \brief Returns the value of the PIT Value Register, clearing it as\r
+ * a side effect.\r
+ *\r
+ * \return PITC_PIVR value.\r
+ */\r
+extern uint32_t pit_get_pivr(void);\r
+\r
+#ifdef __cplusplus\r
+}\r
+#endif\r
+\r
+#endif /* #ifndef _PIT_H_ */\r