ON Semiconductor / mbed-os

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Dependents:   mbed-TFT-example-NCS36510 mbed-Accelerometer-example-NCS36510 mbed-Accelerometer-example-NCS36510

targets/TARGET_ONSEMI/TARGET_NCS36510/Pad.c@0:098463de4c5d, 2017-01-25 (annotated)

Committer:
group-onsemi
Date:
Wed Jan 25 20:34:15 2017 +0000
Revision:
0:098463de4c5d
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
group-onsemi 0:098463de4c5d 1 /**
group-onsemi 0:098463de4c5d 2 ******************************************************************************
group-onsemi 0:098463de4c5d 3 * @file pad.c
group-onsemi 0:098463de4c5d 4 * @brief PAD management support code
group-onsemi 0:098463de4c5d 5 * @internal
group-onsemi 0:098463de4c5d 6 * @author ON Semiconductor
group-onsemi 0:098463de4c5d 7 * $Rev: 2848 $
group-onsemi 0:098463de4c5d 8 * $Date: 2014-04-01 22:48:18 +0530 (Tue, 01 Apr 2014) $
group-onsemi 0:098463de4c5d 9 ******************************************************************************
group-onsemi 0:098463de4c5d 10 * Copyright 2016 Semiconductor Components Industries LLC (d/b/a “ON Semiconductor”).
group-onsemi 0:098463de4c5d 11 * All rights reserved. This software and/or documentation is licensed by ON Semiconductor
group-onsemi 0:098463de4c5d 12 * under limited terms and conditions. The terms and conditions pertaining to the software
group-onsemi 0:098463de4c5d 13 * and/or documentation are available at http://www.onsemi.com/site/pdf/ONSEMI_T&C.pdf
group-onsemi 0:098463de4c5d 14 * (“ON Semiconductor Standard Terms and Conditions of Sale, Section 8 Software”) and
group-onsemi 0:098463de4c5d 15 * if applicable the software license agreement. Do not use this software and/or
group-onsemi 0:098463de4c5d 16 * documentation unless you have carefully read and you agree to the limited terms and
group-onsemi 0:098463de4c5d 17 * conditions. By using this software and/or documentation, you agree to the limited
group-onsemi 0:098463de4c5d 18 * terms and conditions.
group-onsemi 0:098463de4c5d 19 *
group-onsemi 0:098463de4c5d 20 * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
group-onsemi 0:098463de4c5d 21 * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
group-onsemi 0:098463de4c5d 22 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
group-onsemi 0:098463de4c5d 23 * ON SEMICONDUCTOR SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL,
group-onsemi 0:098463de4c5d 24 * INCIDENTAL, OR CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
group-onsemi 0:098463de4c5d 25 * @endinternal
group-onsemi 0:098463de4c5d 26 *
group-onsemi 0:098463de4c5d 27 * @ingroup pad
group-onsemi 0:098463de4c5d 28 *
group-onsemi 0:098463de4c5d 29 * @details
group-onsemi 0:098463de4c5d 30 */
group-onsemi 0:098463de4c5d 31
group-onsemi 0:098463de4c5d 32 /*************************************************************************************************
group-onsemi 0:098463de4c5d 33 * *
group-onsemi 0:098463de4c5d 34 * Header files *
group-onsemi 0:098463de4c5d 35 * *
group-onsemi 0:098463de4c5d 36 *************************************************************************************************/
group-onsemi 0:098463de4c5d 37
group-onsemi 0:098463de4c5d 38 #include "memory_map.h"
group-onsemi 0:098463de4c5d 39 #include "pad_map.h"
group-onsemi 0:098463de4c5d 40 #include "clock.h"
group-onsemi 0:098463de4c5d 41
group-onsemi 0:098463de4c5d 42 /*************************************************************************************************
group-onsemi 0:098463de4c5d 43 * *
group-onsemi 0:098463de4c5d 44 * Symbolic Constants *
group-onsemi 0:098463de4c5d 45 * *
group-onsemi 0:098463de4c5d 46 *************************************************************************************************/
group-onsemi 0:098463de4c5d 47 #define PAD_CTRL_OP_DRIVE_STRENGTH_MASK (uint32_t)0x1C
group-onsemi 0:098463de4c5d 48 #define PAD_NUM_OF_IO 17
group-onsemi 0:098463de4c5d 49 #define PAD_OP_DRIVE_STRGTH_MAX 7
group-onsemi 0:098463de4c5d 50 #define PAD_OP_DRIVE_TYPE_MAX 1
group-onsemi 0:098463de4c5d 51 #define PAD_OP_PULL_TYPE_MAX 3
group-onsemi 0:098463de4c5d 52
group-onsemi 0:098463de4c5d 53 #define PAD_REG_ADRS_BYTE_SIZE 4
group-onsemi 0:098463de4c5d 54
group-onsemi 0:098463de4c5d 55 #define PAD_OP_DRIVE_STRGTH_BIT_POS 2
group-onsemi 0:098463de4c5d 56 #define PAD_OP_DRIVE_TYPE_BIT_POS 5
group-onsemi 0:098463de4c5d 57 #define PAD_OP_PULL_TYPE_BIT_POS 0
group-onsemi 0:098463de4c5d 58
group-onsemi 0:098463de4c5d 59 /*************************************************************************************************
group-onsemi 0:098463de4c5d 60 * *
group-onsemi 0:098463de4c5d 61 * Global variables *
group-onsemi 0:098463de4c5d 62 * *
group-onsemi 0:098463de4c5d 63 *************************************************************************************************/
group-onsemi 0:098463de4c5d 64
group-onsemi 0:098463de4c5d 65 /* Peripheral PAD register mutex */
group-onsemi 0:098463de4c5d 66 /* sem_pt GlobMutexPadReg; */
group-onsemi 0:098463de4c5d 67
group-onsemi 0:098463de4c5d 68 /*************************************************************************************************
group-onsemi 0:098463de4c5d 69 * *
group-onsemi 0:098463de4c5d 70 * Functions *
group-onsemi 0:098463de4c5d 71 * *
group-onsemi 0:098463de4c5d 72 *************************************************************************************************/
group-onsemi 0:098463de4c5d 73
group-onsemi 0:098463de4c5d 74 /** Find description at pad.h */
group-onsemi 0:098463de4c5d 75 void fPadInit()
group-onsemi 0:098463de4c5d 76 {
group-onsemi 0:098463de4c5d 77 /** - Enable the clock for PAD peripheral device */
group-onsemi 0:098463de4c5d 78 CLOCK_ENABLE(CLOCK_PAD);
group-onsemi 0:098463de4c5d 79
group-onsemi 0:098463de4c5d 80 /** - Set pad parameters, output drive strength, pull piece control, output drive type */
group-onsemi 0:098463de4c5d 81 PADREG->PADIO0.WORD = PAD_OUTPUT_PN_L1_OD; /* UART1 TXD */
group-onsemi 0:098463de4c5d 82 PADREG->PADIO1.WORD = PAD_INPUT_PD_L1_PP; /* UART1 RXD */
group-onsemi 0:098463de4c5d 83 PADREG->PADIO2.WORD = PAD_INPUT_PD_L1_PP; /* UART1 CTS */
group-onsemi 0:098463de4c5d 84 PADREG->PADIO3.WORD = PAD_OUTPUT_PN_L1_OD; /* UART1 RTS */
group-onsemi 0:098463de4c5d 85 PADREG->PADIO4.WORD = PAD_UNUSED_PD_L1_PP;
group-onsemi 0:098463de4c5d 86 PADREG->PADIO5.WORD = PAD_UNUSED_PD_L1_PP;
group-onsemi 0:098463de4c5d 87 PADREG->PADIO6.WORD = PAD_UNUSED_PD_L1_PP;
group-onsemi 0:098463de4c5d 88 PADREG->PADIO7.WORD = PAD_UNUSED_PD_L1_PP;
group-onsemi 0:098463de4c5d 89 PADREG->PADIO8.WORD = PAD_OUTPUT_PN_L1_OD; /* UART2 TXD */
group-onsemi 0:098463de4c5d 90 PADREG->PADIO9.WORD = PAD_INPUT_PD_L1_PP; /* UART2 RXD */
group-onsemi 0:098463de4c5d 91 PADREG->PADIO10.WORD = PAD_UNUSED_PD_L1_PP;
group-onsemi 0:098463de4c5d 92 PADREG->PADIO11.WORD = PAD_INPUT_PD_L1_PP; /* SWO */
group-onsemi 0:098463de4c5d 93 PADREG->PADIO12.WORD = PAD_INPUT_PD_L1_PP; /* SWCLK */
group-onsemi 0:098463de4c5d 94 PADREG->PADIO13.WORD = PAD_INPUT_PD_L1_PP; /* SWDIO */
group-onsemi 0:098463de4c5d 95 PADREG->PADIO14.WORD = PAD_INPUT_PD_L1_PP;
group-onsemi 0:098463de4c5d 96 PADREG->PADIO15.WORD = PAD_UNUSED_PD_L1_PP;
group-onsemi 0:098463de4c5d 97 PADREG->PADIO16.WORD = PAD_UNUSED_PD_L1_PP;
group-onsemi 0:098463de4c5d 98 PADREG->PADIO17.WORD = PAD_UNUSED_PD_L1_PP;
group-onsemi 0:098463de4c5d 99
group-onsemi 0:098463de4c5d 100 /** - Disable the clock for PAD peripheral device */
group-onsemi 0:098463de4c5d 101 CLOCK_DISABLE(CLOCK_PAD);
group-onsemi 0:098463de4c5d 102
group-onsemi 0:098463de4c5d 103 }
group-onsemi 0:098463de4c5d 104
group-onsemi 0:098463de4c5d 105 /** Find description at pad.h */
group-onsemi 0:098463de4c5d 106 boolean fPadIOCtrl(uint8_t PadNum, uint8_t OutputDriveStrength, uint8_t OutputDriveType, uint8_t PullType)
group-onsemi 0:098463de4c5d 107 {
group-onsemi 0:098463de4c5d 108 PadReg_t *PadRegOffset;
group-onsemi 0:098463de4c5d 109 /** \verbatim
group-onsemi 0:098463de4c5d 110 Table: O/p drive strength
group-onsemi 0:098463de4c5d 111
group-onsemi 0:098463de4c5d 112 Drive strength 3.3V (min/typ/max) 1V (min/typ/max)
group-onsemi 0:098463de4c5d 113 000 1/1.4/2.1 mA 0.043/0.07/0.11 mA
group-onsemi 0:098463de4c5d 114 001 2/2.7/4.1 mA 0.086/0.15/0.215 mA
group-onsemi 0:098463de4c5d 115 010 4.1/5.3/7.8 mA 0.188/0.3/0.4 mA
group-onsemi 0:098463de4c5d 116 011 8.1/10.4/15 8 mA 0.4/0.6/0.81 mA
group-onsemi 0:098463de4c5d 117 100 20.8/26/37 mA* 1/1.6/2.2 mA
group-onsemi 0:098463de4c5d 118 101 40.5/50/70 mA* 2/3/4.3 mA
group-onsemi 0:098463de4c5d 119 11x 57/73/102 mA* 3/4.6/6.2 mA
group-onsemi 0:098463de4c5d 120
group-onsemi 0:098463de4c5d 121 *Values are only accessible when CDBGPWRUPREQ is high. This limits the maximum output current in functional mode. \endverbatim */
group-onsemi 0:098463de4c5d 122
group-onsemi 0:098463de4c5d 123
group-onsemi 0:098463de4c5d 124 if((PadNum <= PAD_NUM_OF_IO) &&
group-onsemi 0:098463de4c5d 125 (OutputDriveStrength <= PAD_OP_DRIVE_STRGTH_MAX) &&
group-onsemi 0:098463de4c5d 126 (OutputDriveType <= PAD_OP_DRIVE_TYPE_MAX) && (PullType <= PAD_OP_PULL_TYPE_MAX)) {
group-onsemi 0:098463de4c5d 127 /** - Get PAD IO register address for the PAD number */
group-onsemi 0:098463de4c5d 128 PadRegOffset = (PadReg_t*)(PADREG_BASE + (PadNum * PAD_REG_ADRS_BYTE_SIZE));
group-onsemi 0:098463de4c5d 129
group-onsemi 0:098463de4c5d 130 /** - Enable the clock for PAD peripheral device */
group-onsemi 0:098463de4c5d 131 CLOCK_ENABLE(CLOCK_PAD);
group-onsemi 0:098463de4c5d 132
group-onsemi 0:098463de4c5d 133 /** - Set drive type, pulltype & drive strength */
group-onsemi 0:098463de4c5d 134 PadRegOffset->PADIO0.WORD = (uint32_t)((PullType << PAD_OP_PULL_TYPE_BIT_POS) |
group-onsemi 0:098463de4c5d 135 (OutputDriveStrength << PAD_OP_DRIVE_STRGTH_BIT_POS) |
group-onsemi 0:098463de4c5d 136 (OutputDriveType << PAD_OP_DRIVE_TYPE_BIT_POS));
group-onsemi 0:098463de4c5d 137
group-onsemi 0:098463de4c5d 138 /** - Disable the clock for PAD peripheral device */
group-onsemi 0:098463de4c5d 139 CLOCK_DISABLE(CLOCK_PAD);
group-onsemi 0:098463de4c5d 140 return True;
group-onsemi 0:098463de4c5d 141 }
group-onsemi 0:098463de4c5d 142 /* Invalid parameter/s */
group-onsemi 0:098463de4c5d 143 return False;
group-onsemi 0:098463de4c5d 144 }