MacroRat / MouseCode

Mouse code for the MacroRat

Dependencies:   ITG3200 QEI

mbed-dev/targets/TARGET_NXP/TARGET_LPC176X/pinmap.c@46:b156ef445742, 2017-06-03 (annotated)

Committer:
sahilmgandhi
Date:
Sat Jun 03 00:22:44 2017 +0000
Revision:
46:b156ef445742
Parent:
18:6a4db94011d3 
Final code for internal battlebot competition.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sahilmgandhi 18:6a4db94011d3 1 /* mbed Microcontroller Library
sahilmgandhi 18:6a4db94011d3 2 * Copyright (c) 2006-2013 ARM Limited
sahilmgandhi 18:6a4db94011d3 3 *
sahilmgandhi 18:6a4db94011d3 4 * Licensed under the Apache License, Version 2.0 (the "License");
sahilmgandhi 18:6a4db94011d3 5 * you may not use this file except in compliance with the License.
sahilmgandhi 18:6a4db94011d3 6 * You may obtain a copy of the License at
sahilmgandhi 18:6a4db94011d3 7 *
sahilmgandhi 18:6a4db94011d3 8 * http://www.apache.org/licenses/LICENSE-2.0
sahilmgandhi 18:6a4db94011d3 9 *
sahilmgandhi 18:6a4db94011d3 10 * Unless required by applicable law or agreed to in writing, software
sahilmgandhi 18:6a4db94011d3 11 * distributed under the License is distributed on an "AS IS" BASIS,
sahilmgandhi 18:6a4db94011d3 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
sahilmgandhi 18:6a4db94011d3 13 * See the License for the specific language governing permissions and
sahilmgandhi 18:6a4db94011d3 14 * limitations under the License.
sahilmgandhi 18:6a4db94011d3 15 */
sahilmgandhi 18:6a4db94011d3 16 #include "mbed_assert.h"
sahilmgandhi 18:6a4db94011d3 17 #include "pinmap.h"
sahilmgandhi 18:6a4db94011d3 18 #include "mbed_error.h"
sahilmgandhi 18:6a4db94011d3 19
sahilmgandhi 18:6a4db94011d3 20 void pin_function(PinName pin, int function) {
sahilmgandhi 18:6a4db94011d3 21 MBED_ASSERT(pin != (PinName)NC);
sahilmgandhi 18:6a4db94011d3 22
sahilmgandhi 18:6a4db94011d3 23 uint32_t pin_number = (uint32_t)pin - (uint32_t)P0_0;
sahilmgandhi 18:6a4db94011d3 24 int index = pin_number >> 4;
sahilmgandhi 18:6a4db94011d3 25 int offset = (pin_number & 0xF) << 1;
sahilmgandhi 18:6a4db94011d3 26
sahilmgandhi 18:6a4db94011d3 27 PINCONARRAY->PINSEL[index] &= ~(0x3 << offset);
sahilmgandhi 18:6a4db94011d3 28 PINCONARRAY->PINSEL[index] |= function << offset;
sahilmgandhi 18:6a4db94011d3 29 }
sahilmgandhi 18:6a4db94011d3 30
sahilmgandhi 18:6a4db94011d3 31 void pin_mode(PinName pin, PinMode mode) {
sahilmgandhi 18:6a4db94011d3 32 MBED_ASSERT(pin != (PinName)NC);
sahilmgandhi 18:6a4db94011d3 33
sahilmgandhi 18:6a4db94011d3 34 uint32_t pin_number = (uint32_t)pin - (uint32_t)P0_0;
sahilmgandhi 18:6a4db94011d3 35 int index = pin_number >> 5;
sahilmgandhi 18:6a4db94011d3 36 int offset = pin_number & 0x1F;
sahilmgandhi 18:6a4db94011d3 37 uint32_t drain = ((uint32_t) mode & (uint32_t) OpenDrain) >> 2;
sahilmgandhi 18:6a4db94011d3 38
sahilmgandhi 18:6a4db94011d3 39 PINCONARRAY->PINMODE_OD[index] &= ~(drain << offset);
sahilmgandhi 18:6a4db94011d3 40 PINCONARRAY->PINMODE_OD[index] |= drain << offset;
sahilmgandhi 18:6a4db94011d3 41
sahilmgandhi 18:6a4db94011d3 42 if (!drain) {
sahilmgandhi 18:6a4db94011d3 43 index = pin_number >> 4;
sahilmgandhi 18:6a4db94011d3 44 offset = (pin_number & 0xF) << 1;
sahilmgandhi 18:6a4db94011d3 45
sahilmgandhi 18:6a4db94011d3 46 PINCONARRAY->PINMODE[index] &= ~(0x3 << offset);
sahilmgandhi 18:6a4db94011d3 47 PINCONARRAY->PINMODE[index] |= (uint32_t)mode << offset;
sahilmgandhi 18:6a4db94011d3 48 }
sahilmgandhi 18:6a4db94011d3 49 }