Johannes Stratmann / mbed-dev

added prescaler for 16 bit pwm in LPC1347 target

Fork of mbed-dev by mbed official

targets/hal/TARGET_ONSEMI/TARGET_NCS36510/Pad.c@144:ef7eb2e8f9f7, 2016-09-02 (annotated)

Committer:
<>
Date:
Fri Sep 02 15:07:44 2016 +0100
Revision:
144:ef7eb2e8f9f7
This updates the lib to the mbed lib v125

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 144:ef7eb2e8f9f7 1 #ifdef REVD
<> 144:ef7eb2e8f9f7 2 /**
<> 144:ef7eb2e8f9f7 3 ******************************************************************************
<> 144:ef7eb2e8f9f7 4 * @file pad.c
<> 144:ef7eb2e8f9f7 5 * @brief PAD management support code
<> 144:ef7eb2e8f9f7 6 * @internal
<> 144:ef7eb2e8f9f7 7 * @author ON Semiconductor
<> 144:ef7eb2e8f9f7 8 * $Rev: 2848 $
<> 144:ef7eb2e8f9f7 9 * $Date: 2014-04-01 22:48:18 +0530 (Tue, 01 Apr 2014) $
<> 144:ef7eb2e8f9f7 10 ******************************************************************************
<> 144:ef7eb2e8f9f7 11 * @copyright (c) 2012 ON Semiconductor. All rights reserved.
<> 144:ef7eb2e8f9f7 12 * ON Semiconductor is supplying this software for use with ON Semiconductor
<> 144:ef7eb2e8f9f7 13 * processor based microcontrollers only.
<> 144:ef7eb2e8f9f7 14 *
<> 144:ef7eb2e8f9f7 15 * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
<> 144:ef7eb2e8f9f7 16 * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
<> 144:ef7eb2e8f9f7 17 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
<> 144:ef7eb2e8f9f7 18 * ON SEMICONDUCTOR SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL,
<> 144:ef7eb2e8f9f7 19 * INCIDENTAL, OR CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
<> 144:ef7eb2e8f9f7 20 * @endinternal
<> 144:ef7eb2e8f9f7 21 *
<> 144:ef7eb2e8f9f7 22 * @ingroup pad
<> 144:ef7eb2e8f9f7 23 *
<> 144:ef7eb2e8f9f7 24 * @details
<> 144:ef7eb2e8f9f7 25 */
<> 144:ef7eb2e8f9f7 26
<> 144:ef7eb2e8f9f7 27 /*************************************************************************************************
<> 144:ef7eb2e8f9f7 28 * *
<> 144:ef7eb2e8f9f7 29 * Header files *
<> 144:ef7eb2e8f9f7 30 * *
<> 144:ef7eb2e8f9f7 31 *************************************************************************************************/
<> 144:ef7eb2e8f9f7 32
<> 144:ef7eb2e8f9f7 33 #include "memory_map.h"
<> 144:ef7eb2e8f9f7 34 #include "pad_map.h"
<> 144:ef7eb2e8f9f7 35 #include "clock.h"
<> 144:ef7eb2e8f9f7 36
<> 144:ef7eb2e8f9f7 37 /*************************************************************************************************
<> 144:ef7eb2e8f9f7 38 * *
<> 144:ef7eb2e8f9f7 39 * Symbolic Constants *
<> 144:ef7eb2e8f9f7 40 * *
<> 144:ef7eb2e8f9f7 41 *************************************************************************************************/
<> 144:ef7eb2e8f9f7 42 #define PAD_CTRL_OP_DRIVE_STRENGTH_MASK (uint32_t)0x1C
<> 144:ef7eb2e8f9f7 43 #define PAD_NUM_OF_IO 17
<> 144:ef7eb2e8f9f7 44 #define PAD_OP_DRIVE_STRGTH_MAX 7
<> 144:ef7eb2e8f9f7 45 #define PAD_OP_DRIVE_TYPE_MAX 1
<> 144:ef7eb2e8f9f7 46 #define PAD_OP_PULL_TYPE_MAX 3
<> 144:ef7eb2e8f9f7 47
<> 144:ef7eb2e8f9f7 48 #define PAD_REG_ADRS_BYTE_SIZE 4
<> 144:ef7eb2e8f9f7 49
<> 144:ef7eb2e8f9f7 50 #define PAD_OP_DRIVE_STRGTH_BIT_POS 2
<> 144:ef7eb2e8f9f7 51 #define PAD_OP_DRIVE_TYPE_BIT_POS 5
<> 144:ef7eb2e8f9f7 52 #define PAD_OP_PULL_TYPE_BIT_POS 0
<> 144:ef7eb2e8f9f7 53
<> 144:ef7eb2e8f9f7 54 /*************************************************************************************************
<> 144:ef7eb2e8f9f7 55 * *
<> 144:ef7eb2e8f9f7 56 * Global variables *
<> 144:ef7eb2e8f9f7 57 * *
<> 144:ef7eb2e8f9f7 58 *************************************************************************************************/
<> 144:ef7eb2e8f9f7 59
<> 144:ef7eb2e8f9f7 60 /* Peripheral PAD register mutex */
<> 144:ef7eb2e8f9f7 61 /* sem_pt GlobMutexPadReg; */
<> 144:ef7eb2e8f9f7 62
<> 144:ef7eb2e8f9f7 63 /*************************************************************************************************
<> 144:ef7eb2e8f9f7 64 * *
<> 144:ef7eb2e8f9f7 65 * Functions *
<> 144:ef7eb2e8f9f7 66 * *
<> 144:ef7eb2e8f9f7 67 *************************************************************************************************/
<> 144:ef7eb2e8f9f7 68
<> 144:ef7eb2e8f9f7 69 /** Find description at pad.h */
<> 144:ef7eb2e8f9f7 70 void fPadInit()
<> 144:ef7eb2e8f9f7 71 {
<> 144:ef7eb2e8f9f7 72 /** - Enable the clock for PAD peripheral device */
<> 144:ef7eb2e8f9f7 73 CLOCK_ENABLE(CLOCK_PAD);
<> 144:ef7eb2e8f9f7 74
<> 144:ef7eb2e8f9f7 75 /** - Set pad parameters, output drive strength, pull piece control, output drive type */
<> 144:ef7eb2e8f9f7 76 PADREG->PADIO0.WORD = PAD_OUTPUT_PN_L1_OD; /* UART1 TXD */
<> 144:ef7eb2e8f9f7 77 PADREG->PADIO1.WORD = PAD_INPUT_PD_L1_PP; /* UART1 RXD */
<> 144:ef7eb2e8f9f7 78 PADREG->PADIO2.WORD = PAD_INPUT_PD_L1_PP; /* UART1 CTS */
<> 144:ef7eb2e8f9f7 79 PADREG->PADIO3.WORD = PAD_OUTPUT_PN_L1_OD; /* UART1 RTS */
<> 144:ef7eb2e8f9f7 80 PADREG->PADIO4.WORD = PAD_UNUSED_PD_L0_PP;
<> 144:ef7eb2e8f9f7 81 PADREG->PADIO5.WORD = PAD_UNUSED_PD_L0_PP;
<> 144:ef7eb2e8f9f7 82 PADREG->PADIO6.WORD = PAD_UNUSED_PD_L0_PP;
<> 144:ef7eb2e8f9f7 83 PADREG->PADIO7.WORD = PAD_UNUSED_PD_L0_PP;
<> 144:ef7eb2e8f9f7 84 PADREG->PADIO8.WORD = PAD_OUTPUT_PN_L1_OD; /* UART2 TXD */
<> 144:ef7eb2e8f9f7 85 PADREG->PADIO9.WORD = PAD_INPUT_PD_L1_PP; /* UART2 RXD */
<> 144:ef7eb2e8f9f7 86 PADREG->PADIO10.WORD = PAD_UNUSED_PD_L0_PP;
<> 144:ef7eb2e8f9f7 87 PADREG->PADIO11.WORD = PAD_INPUT_PD_L1_PP; /* SWO */
<> 144:ef7eb2e8f9f7 88 PADREG->PADIO12.WORD = PAD_INPUT_PD_L1_PP; /* SWCLK */
<> 144:ef7eb2e8f9f7 89 PADREG->PADIO13.WORD = PAD_INPUT_PD_L1_PP; /* SWDIO */
<> 144:ef7eb2e8f9f7 90 PADREG->PADIO14.WORD = PAD_INPUT_PD_L1_PP;
<> 144:ef7eb2e8f9f7 91 PADREG->PADIO15.WORD = PAD_UNUSED_PD_L0_PP;
<> 144:ef7eb2e8f9f7 92 PADREG->PADIO16.WORD = PAD_UNUSED_PD_L0_PP;
<> 144:ef7eb2e8f9f7 93 PADREG->PADIO17.WORD = PAD_UNUSED_PD_L0_PP;
<> 144:ef7eb2e8f9f7 94
<> 144:ef7eb2e8f9f7 95 /** - Disable the clock for PAD peripheral device */
<> 144:ef7eb2e8f9f7 96 CLOCK_DISABLE(CLOCK_PAD);
<> 144:ef7eb2e8f9f7 97
<> 144:ef7eb2e8f9f7 98 }
<> 144:ef7eb2e8f9f7 99
<> 144:ef7eb2e8f9f7 100 /** Find description at pad.h */
<> 144:ef7eb2e8f9f7 101 boolean fPadIOCtrl(uint8_t PadNum, uint8_t OutputDriveStrength, uint8_t OutputDriveType, uint8_t PullType)
<> 144:ef7eb2e8f9f7 102 {
<> 144:ef7eb2e8f9f7 103 PadReg_t *PadRegOffset;
<> 144:ef7eb2e8f9f7 104 /** \verbatim
<> 144:ef7eb2e8f9f7 105 Table: O/p drive strength
<> 144:ef7eb2e8f9f7 106
<> 144:ef7eb2e8f9f7 107 Drive strength 3.3V (min/typ/max) 1V (min/typ/max)
<> 144:ef7eb2e8f9f7 108 000 1/1.4/2.1 mA 0.043/0.07/0.11 mA
<> 144:ef7eb2e8f9f7 109 001 2/2.7/4.1 mA 0.086/0.15/0.215 mA
<> 144:ef7eb2e8f9f7 110 010 4.1/5.3/7.8 mA 0.188/0.3/0.4 mA
<> 144:ef7eb2e8f9f7 111 011 8.1/10.4/15 8 mA 0.4/0.6/0.81 mA
<> 144:ef7eb2e8f9f7 112 100 20.8/26/37 mA* 1/1.6/2.2 mA
<> 144:ef7eb2e8f9f7 113 101 40.5/50/70 mA* 2/3/4.3 mA
<> 144:ef7eb2e8f9f7 114 11x 57/73/102 mA* 3/4.6/6.2 mA
<> 144:ef7eb2e8f9f7 115
<> 144:ef7eb2e8f9f7 116 *Values are only accessible when CDBGPWRUPREQ is high. This limits the maximum output current in functional mode. \endverbatim */
<> 144:ef7eb2e8f9f7 117
<> 144:ef7eb2e8f9f7 118
<> 144:ef7eb2e8f9f7 119 if((PadNum <= PAD_NUM_OF_IO) &&
<> 144:ef7eb2e8f9f7 120 (OutputDriveStrength <= PAD_OP_DRIVE_STRGTH_MAX) &&
<> 144:ef7eb2e8f9f7 121 (OutputDriveType <= PAD_OP_DRIVE_TYPE_MAX) && (PullType <= PAD_OP_PULL_TYPE_MAX)) {
<> 144:ef7eb2e8f9f7 122 /** - Get PAD IO register address for the PAD number */
<> 144:ef7eb2e8f9f7 123 PadRegOffset = (PadReg_t*)(PADREG_BASE + (PadNum * PAD_REG_ADRS_BYTE_SIZE));
<> 144:ef7eb2e8f9f7 124
<> 144:ef7eb2e8f9f7 125 /** - Enable the clock for PAD peripheral device */
<> 144:ef7eb2e8f9f7 126 CLOCK_ENABLE(CLOCK_PAD);
<> 144:ef7eb2e8f9f7 127
<> 144:ef7eb2e8f9f7 128 /** - Set drive type, pulltype & drive strength */
<> 144:ef7eb2e8f9f7 129 PadRegOffset->PADIO0.WORD = (uint32_t)((PullType << PAD_OP_PULL_TYPE_BIT_POS) |
<> 144:ef7eb2e8f9f7 130 (OutputDriveStrength << PAD_OP_DRIVE_STRGTH_BIT_POS) |
<> 144:ef7eb2e8f9f7 131 (OutputDriveType << PAD_OP_DRIVE_TYPE_BIT_POS));
<> 144:ef7eb2e8f9f7 132
<> 144:ef7eb2e8f9f7 133 /** - Disable the clock for PAD peripheral device */
<> 144:ef7eb2e8f9f7 134 CLOCK_DISABLE(CLOCK_PAD);
<> 144:ef7eb2e8f9f7 135 return True;
<> 144:ef7eb2e8f9f7 136 }
<> 144:ef7eb2e8f9f7 137 /* Invalid parameter/s */
<> 144:ef7eb2e8f9f7 138 return False;
<> 144:ef7eb2e8f9f7 139 }
<> 144:ef7eb2e8f9f7 140 #endif /* REVD */