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Diff: mbed-dev/targets/TARGET_ONSEMI/TARGET_NCS36510/Pad.c
- Revision:
- 10:41552d038a69
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-dev/targets/TARGET_ONSEMI/TARGET_NCS36510/Pad.c Tue Jan 10 20:42:26 2017 +0000 @@ -0,0 +1,144 @@ +/** +****************************************************************************** +* @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 2016 Semiconductor Components Industries LLC (d/b/a ON Semiconductor). + * All rights reserved. This software and/or documentation is licensed by ON Semiconductor + * under limited terms and conditions. The terms and conditions pertaining to the software + * and/or documentation are available at http://www.onsemi.com/site/pdf/ONSEMI_T&C.pdf + * (ON Semiconductor Standard Terms and Conditions of Sale, Section 8 Software) and + * if applicable the software license agreement. Do not use this software and/or + * documentation unless you have carefully read and you agree to the limited terms and + * conditions. By using this software and/or documentation, you agree to the limited + * terms and conditions. +* +* 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_L1_PP; + PADREG->PADIO5.WORD = PAD_UNUSED_PD_L1_PP; + PADREG->PADIO6.WORD = PAD_UNUSED_PD_L1_PP; + PADREG->PADIO7.WORD = PAD_UNUSED_PD_L1_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_L1_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_L1_PP; + PADREG->PADIO16.WORD = PAD_UNUSED_PD_L1_PP; + PADREG->PADIO17.WORD = PAD_UNUSED_PD_L1_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; +} \ No newline at end of file