move lpc_chip_13xx files

2018-12-03 16:38:29 +07:00
parent ea37c96d15
commit f898f8f7a4
54 changed files with 45 additions and 47 deletions
@@ -0,0 +1,99 @@
+/*
+ * @brief LPC13xx RITimer chip driver
+ *
+ * @note
+ * Copyright(C) NXP Semiconductors, 2012
+ * All rights reserved.
+ *
+ * @par
+ * Software that is described herein is for illustrative purposes only
+ * which provides customers with programming information regarding the
+ * LPC products.  This software is supplied "AS IS" without any warranties of
+ * any kind, and NXP Semiconductors and its licensor disclaim any and
+ * all warranties, express or implied, including all implied warranties of
+ * merchantability, fitness for a particular purpose and non-infringement of
+ * intellectual property rights.  NXP Semiconductors assumes no responsibility
+ * or liability for the use of the software, conveys no license or rights under any
+ * patent, copyright, mask work right, or any other intellectual property rights in
+ * or to any products. NXP Semiconductors reserves the right to make changes
+ * in the software without notification. NXP Semiconductors also makes no
+ * representation or warranty that such application will be suitable for the
+ * specified use without further testing or modification.
+ *
+ * @par
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation is hereby granted, under NXP Semiconductors' and its
+ * licensor's relevant copyrights in the software, without fee, provided that it
+ * is used in conjunction with NXP Semiconductors microcontrollers.  This
+ * copyright, permission, and disclaimer notice must appear in all copies of
+ * this code.
+ */
+
+#include "chip.h"
+
+#if defined(CHIP_LPC1347)
+
+/*****************************************************************************
+ * Private types/enumerations/variables
+ ****************************************************************************/
+
+/*****************************************************************************
+ * Public types/enumerations/variables
+ ****************************************************************************/
+
+/*****************************************************************************
+ * Private functions
+ ****************************************************************************/
+
+/*****************************************************************************
+ * Public functions
+ ****************************************************************************/
+
+/* Initialize the RIT */
+void Chip_RIT_Init(LPC_RITIMER_T *pRITimer)
+{
+	pRITimer->COMPVAL = 0xFFFFFFFF;
+	pRITimer->MASK  = 0x00000000;
+	pRITimer->CTRL  = 0x0C;
+	pRITimer->COUNTER   = 0x00000000;
+	pRITimer->COMPVAL_H = 0x0;
+}
+
+/* DeInitialize the RIT */
+void Chip_RIT_DeInit(LPC_RITIMER_T *pRITimer)
+{
+	Chip_RIT_Init(pRITimer);
+}
+
+/* Set timer interval value */
+void Chip_RIT_SetTimerInterval(LPC_RITIMER_T *pRITimer, uint32_t time_interval)
+{
+	uint32_t cmp_value;
+
+	/* Determine aapproximate compare value based on clock rate and passed interval */
+	cmp_value = (Chip_Clock_GetSystemClockRate() / 1000) * time_interval;
+
+	/* Set timer compare value */
+	Chip_RIT_SetCOMPVAL(pRITimer, cmp_value);
+
+	/* Set timer enable clear bit to clear timer to 0 whenever
+	   counter value equals the contents of RICOMPVAL */
+	Chip_RIT_EnableCTRL(pRITimer, RIT_CTRL_ENCLR);
+}
+
+/* Check whether interrupt is pending */
+IntStatus Chip_RIT_GetIntStatus(LPC_RITIMER_T *pRITimer)
+{
+	uint8_t result;
+
+	if ((pRITimer->CTRL & RIT_CTRL_INT) == 1) {
+		result = SET;
+	}
+	else {
+		return RESET;
+	}
+
+	return (IntStatus) result;
+}
+
+#endif /* defined(CHIP_LPC1347) */