Diff: targets/hal/TARGET_ONSEMI/TARGET_NCS36510/Pad.c

Revision:

144:ef7eb2e8f9f7

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/hal/TARGET_ONSEMI/TARGET_NCS36510/Pad.c	Fri Sep 02 15:07:44 2016 +0100
@@ -0,0 +1,140 @@
+#ifdef REVD
+/**
+******************************************************************************
+* @file pad.c
+* @brief PAD management support code
+* @internal
+* @author ON Semiconductor
+* $Rev: 2848 $
+* $Date: 2014-04-01 22:48:18 +0530 (Tue, 01 Apr 2014) $
+******************************************************************************
+* @copyright (c) 2012 ON Semiconductor. All rights reserved.
+* ON Semiconductor is supplying this software for use with ON Semiconductor
+* processor based microcontrollers only.
+*
+* THIS SOFTWARE IS PROVIDED "AS IS".  NO WARRANTIES, WHETHER EXPRESS, IMPLIED
+* OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
+* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
+* ON SEMICONDUCTOR SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL,
+* INCIDENTAL, OR CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
+* @endinternal
+*
+* @ingroup pad
+*
+* @details
+*/
+
+/*************************************************************************************************
+*                                                                                                *
+*  Header files                                                                                  *
+*                                                                                                *
+*************************************************************************************************/
+
+#include "memory_map.h"
+#include "pad_map.h"
+#include "clock.h"
+
+/*************************************************************************************************
+*                                                                                                *
+*  Symbolic Constants                                                                            *
+*                                                                                                *
+*************************************************************************************************/
+#define PAD_CTRL_OP_DRIVE_STRENGTH_MASK    (uint32_t)0x1C
+#define PAD_NUM_OF_IO                      17
+#define PAD_OP_DRIVE_STRGTH_MAX            7
+#define PAD_OP_DRIVE_TYPE_MAX              1
+#define PAD_OP_PULL_TYPE_MAX               3
+
+#define PAD_REG_ADRS_BYTE_SIZE             4
+
+#define PAD_OP_DRIVE_STRGTH_BIT_POS        2
+#define PAD_OP_DRIVE_TYPE_BIT_POS          5
+#define PAD_OP_PULL_TYPE_BIT_POS           0
+
+/*************************************************************************************************
+*                                                                                                *
+*  Global variables                                                                              *
+*                                                                                                *
+*************************************************************************************************/
+
+/* Peripheral PAD register mutex */
+/* sem_pt GlobMutexPadReg; */
+
+/*************************************************************************************************
+*                                                                                                *
+*  Functions                                                                                     *
+*                                                                                                *
+*************************************************************************************************/
+
+/** Find description at pad.h */
+void fPadInit()
+{
+    /** - Enable the clock for PAD peripheral device */
+    CLOCK_ENABLE(CLOCK_PAD);
+
+    /** - Set pad parameters, output drive strength, pull piece control, output drive type */
+    PADREG->PADIO0.WORD = PAD_OUTPUT_PN_L1_OD;       /* UART1 TXD */
+    PADREG->PADIO1.WORD = PAD_INPUT_PD_L1_PP;        /* UART1 RXD */
+    PADREG->PADIO2.WORD = PAD_INPUT_PD_L1_PP;        /* UART1 CTS */
+    PADREG->PADIO3.WORD = PAD_OUTPUT_PN_L1_OD;       /* UART1 RTS */
+    PADREG->PADIO4.WORD = PAD_UNUSED_PD_L0_PP;
+    PADREG->PADIO5.WORD = PAD_UNUSED_PD_L0_PP;
+    PADREG->PADIO6.WORD = PAD_UNUSED_PD_L0_PP;
+    PADREG->PADIO7.WORD = PAD_UNUSED_PD_L0_PP;
+    PADREG->PADIO8.WORD = PAD_OUTPUT_PN_L1_OD;       /* UART2 TXD */
+    PADREG->PADIO9.WORD = PAD_INPUT_PD_L1_PP;        /* UART2 RXD */
+    PADREG->PADIO10.WORD = PAD_UNUSED_PD_L0_PP;
+    PADREG->PADIO11.WORD = PAD_INPUT_PD_L1_PP;       /* SWO */
+    PADREG->PADIO12.WORD = PAD_INPUT_PD_L1_PP;       /* SWCLK */
+    PADREG->PADIO13.WORD = PAD_INPUT_PD_L1_PP;       /* SWDIO */
+    PADREG->PADIO14.WORD = PAD_INPUT_PD_L1_PP;
+    PADREG->PADIO15.WORD = PAD_UNUSED_PD_L0_PP;
+    PADREG->PADIO16.WORD = PAD_UNUSED_PD_L0_PP;
+    PADREG->PADIO17.WORD = PAD_UNUSED_PD_L0_PP;
+
+    /** - Disable the clock for PAD peripheral device */
+    CLOCK_DISABLE(CLOCK_PAD);
+
+}
+
+/** Find description at pad.h */
+boolean fPadIOCtrl(uint8_t PadNum, uint8_t OutputDriveStrength, uint8_t OutputDriveType, uint8_t PullType)
+{
+    PadReg_t *PadRegOffset;
+    /** \verbatim
+    	Table: O/p drive strength
+
+    		Drive strength	3.3V (min/typ/max)	1V (min/typ/max)
+    		000  	 		1/1.4/2.1 mA		0.043/0.07/0.11 mA
+    		001  	 		2/2.7/4.1 mA		0.086/0.15/0.215 mA
+    		010  	 		4.1/5.3/7.8 mA		0.188/0.3/0.4 mA
+    		011  	 		8.1/10.4/15 8 mA	0.4/0.6/0.81 mA
+    		100  	 		20.8/26/37 mA*		1/1.6/2.2 mA
+    		101  	 		40.5/50/70 mA*	    2/3/4.3 mA
+    		11x  	 		57/73/102 mA*   	3/4.6/6.2 mA
+
+    	*Values are only accessible when CDBGPWRUPREQ is high.  This limits the maximum output current in functional mode. \endverbatim */
+
+
+    if((PadNum  <= PAD_NUM_OF_IO) &&
+            (OutputDriveStrength <= PAD_OP_DRIVE_STRGTH_MAX) &&
+            (OutputDriveType <= PAD_OP_DRIVE_TYPE_MAX) && (PullType <= PAD_OP_PULL_TYPE_MAX)) {
+        /** - Get PAD IO register address for the PAD number */
+        PadRegOffset = (PadReg_t*)(PADREG_BASE + (PadNum * PAD_REG_ADRS_BYTE_SIZE));
+
+        /** - Enable the clock for PAD peripheral device */
+        CLOCK_ENABLE(CLOCK_PAD);
+
+        /** - Set drive type, pulltype & drive strength */
+        PadRegOffset->PADIO0.WORD = (uint32_t)((PullType << PAD_OP_PULL_TYPE_BIT_POS) |
+                                               (OutputDriveStrength << PAD_OP_DRIVE_STRGTH_BIT_POS) |
+                                               (OutputDriveType << PAD_OP_DRIVE_TYPE_BIT_POS));
+
+        /** - Disable the clock for PAD peripheral device */
+        CLOCK_DISABLE(CLOCK_PAD);
+        return True;
+    }
+    /* Invalid parameter/s */
+    return False;
+}
+#endif /* REVD */