Lee Kai Xuan / mbed-os

mbed-os

Fork of mbed-os by erkin yucel

targets/TARGET_ONSEMI/TARGET_NCS36510/pinmap.c@0:f269e3021894, 2016-10-23 (annotated)

Committer:
elessair
Date:
Sun Oct 23 15:10:02 2016 +0000
Revision:
0:f269e3021894
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
elessair 0:f269e3021894 1 /* mbed Microcontroller Library
elessair 0:f269e3021894 2 * Copyright (c) 2006-2013 ARM Limited
elessair 0:f269e3021894 3 *
elessair 0:f269e3021894 4 * Licensed under the Apache License, Version 2.0 (the "License");
elessair 0:f269e3021894 5 * you may not use this file except in compliance with the License.
elessair 0:f269e3021894 6 * You may obtain a copy of the License at
elessair 0:f269e3021894 7 *
elessair 0:f269e3021894 8 * http://www.apache.org/licenses/LICENSE-2.0
elessair 0:f269e3021894 9 *
elessair 0:f269e3021894 10 * Unless required by applicable law or agreed to in writing, software
elessair 0:f269e3021894 11 * distributed under the License is distributed on an "AS IS" BASIS,
elessair 0:f269e3021894 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
elessair 0:f269e3021894 13 * See the License for the specific language governing permissions and
elessair 0:f269e3021894 14 * limitations under the License.
elessair 0:f269e3021894 15 */
elessair 0:f269e3021894 16
elessair 0:f269e3021894 17 /* Orion specific header files */
elessair 0:f269e3021894 18
elessair 0:f269e3021894 19 #include "pad.h"
elessair 0:f269e3021894 20
elessair 0:f269e3021894 21 /* MBED header files */
elessair 0:f269e3021894 22 #include "pinmap.h"
elessair 0:f269e3021894 23
elessair 0:f269e3021894 24 void pin_function(PinName pin, int function)
elessair 0:f269e3021894 25 {
elessair 0:f269e3021894 26 /** - Enable the clock for PAD peripheral device */
elessair 0:f269e3021894 27 CLOCK_ENABLE(CLOCK_CROSSB);
elessair 0:f269e3021894 28
elessair 0:f269e3021894 29 /* Note: GPIO 0,1,2,3 are used for UART 1, GPIO 8,9 are used for UART 2 */
elessair 0:f269e3021894 30 CrossbReg_pt crossBar = (CrossbReg_t *)(CROSSBREG_BASE + (pin * CROSS_REG_ADRS_BYTE_SIZE));
elessair 0:f269e3021894 31 crossBar->DIOCTRL0 = function;
elessair 0:f269e3021894 32
elessair 0:f269e3021894 33 /** - Disable the clock for PAD peripheral device */
elessair 0:f269e3021894 34 CLOCK_DISABLE(CLOCK_CROSSB);
elessair 0:f269e3021894 35 }
elessair 0:f269e3021894 36
elessair 0:f269e3021894 37 void pin_mode(PinName pin, PinMode mode)
elessair 0:f269e3021894 38 {
elessair 0:f269e3021894 39 /** - Get PAD IO register address for the PAD number */
elessair 0:f269e3021894 40 PadReg_t *padRegOffset = (PadReg_t*)(PADREG_BASE + (pin * PAD_REG_ADRS_BYTE_SIZE));
elessair 0:f269e3021894 41
elessair 0:f269e3021894 42 /** - Enable the clock for PAD peripheral device */
elessair 0:f269e3021894 43 CLOCK_ENABLE(CLOCK_PAD);
elessair 0:f269e3021894 44
elessair 0:f269e3021894 45 switch (mode) {
elessair 0:f269e3021894 46 case PushPullPullDown:
elessair 0:f269e3021894 47 padRegOffset->PADIO0.BITS.TYPE = PAD_OUTCFG_PUSHPULL;
elessair 0:f269e3021894 48 padRegOffset->PADIO0.BITS.PULL = PAD_PULL_DOWN;
elessair 0:f269e3021894 49 break;
elessair 0:f269e3021894 50
elessair 0:f269e3021894 51 case PushPullNoPull:
elessair 0:f269e3021894 52 padRegOffset->PADIO0.BITS.TYPE = PAD_OUTCFG_PUSHPULL;
elessair 0:f269e3021894 53 padRegOffset->PADIO0.BITS.PULL = PAD_PULL_NONE;
elessair 0:f269e3021894 54 break;
elessair 0:f269e3021894 55
elessair 0:f269e3021894 56 case PushPullPullUp:
elessair 0:f269e3021894 57 padRegOffset->PADIO0.BITS.TYPE = PAD_OUTCFG_PUSHPULL;
elessair 0:f269e3021894 58 padRegOffset->PADIO0.BITS.PULL = PAD_PULL_UP;
elessair 0:f269e3021894 59 break;
elessair 0:f269e3021894 60
elessair 0:f269e3021894 61 case OpenDrainPullDown:
elessair 0:f269e3021894 62 padRegOffset->PADIO0.BITS.TYPE = PAD_OOUTCFG_OPENDRAIN;
elessair 0:f269e3021894 63 padRegOffset->PADIO0.BITS.PULL = PAD_PULL_DOWN;
elessair 0:f269e3021894 64 break;
elessair 0:f269e3021894 65
elessair 0:f269e3021894 66 case OpenDrainNoPull:
elessair 0:f269e3021894 67 padRegOffset->PADIO0.BITS.TYPE = PAD_OOUTCFG_OPENDRAIN;
elessair 0:f269e3021894 68 padRegOffset->PADIO0.BITS.PULL = PAD_PULL_NONE;
elessair 0:f269e3021894 69 break;
elessair 0:f269e3021894 70
elessair 0:f269e3021894 71 case OpenDrainPullUp:
elessair 0:f269e3021894 72 padRegOffset->PADIO0.BITS.TYPE = PAD_OOUTCFG_OPENDRAIN;
elessair 0:f269e3021894 73 padRegOffset->PADIO0.BITS.PULL = PAD_PULL_UP;
elessair 0:f269e3021894 74 break;
elessair 0:f269e3021894 75
elessair 0:f269e3021894 76 default:
elessair 0:f269e3021894 77 break;
elessair 0:f269e3021894 78
elessair 0:f269e3021894 79 }
elessair 0:f269e3021894 80
elessair 0:f269e3021894 81 /** - Disable the clock for PAD peripheral device */
elessair 0:f269e3021894 82 CLOCK_DISABLE(CLOCK_PAD);
elessair 0:f269e3021894 83
elessair 0:f269e3021894 84 }