MacroRat / MouseCode

Mouse code for the MacroRat

Dependencies:   ITG3200 QEI

mbed-dev/hal/mbed_gpio.c@34:69342782fb68, 2017-05-26 (annotated)

Committer:
sahilmgandhi
Date:
Fri May 26 17:21:04 2017 +0000
Revision:
34:69342782fb68
Parent:
18:6a4db94011d3 
Added small reverse turns before the break so that we can stop faster.

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 "hal/gpio_api.h"
sahilmgandhi 18:6a4db94011d3 17
sahilmgandhi 18:6a4db94011d3 18 static inline void _gpio_init_in(gpio_t* gpio, PinName pin, PinMode mode)
sahilmgandhi 18:6a4db94011d3 19 {
sahilmgandhi 18:6a4db94011d3 20 gpio_init(gpio, pin);
sahilmgandhi 18:6a4db94011d3 21 if (pin != NC) {
sahilmgandhi 18:6a4db94011d3 22 gpio_dir(gpio, PIN_INPUT);
sahilmgandhi 18:6a4db94011d3 23 gpio_mode(gpio, mode);
sahilmgandhi 18:6a4db94011d3 24 }
sahilmgandhi 18:6a4db94011d3 25 }
sahilmgandhi 18:6a4db94011d3 26
sahilmgandhi 18:6a4db94011d3 27 static inline void _gpio_init_out(gpio_t* gpio, PinName pin, PinMode mode, int value)
sahilmgandhi 18:6a4db94011d3 28 {
sahilmgandhi 18:6a4db94011d3 29 gpio_init(gpio, pin);
sahilmgandhi 18:6a4db94011d3 30 if (pin != NC) {
sahilmgandhi 18:6a4db94011d3 31 gpio_write(gpio, value);
sahilmgandhi 18:6a4db94011d3 32 gpio_dir(gpio, PIN_OUTPUT);
sahilmgandhi 18:6a4db94011d3 33 gpio_mode(gpio, mode);
sahilmgandhi 18:6a4db94011d3 34 }
sahilmgandhi 18:6a4db94011d3 35 }
sahilmgandhi 18:6a4db94011d3 36
sahilmgandhi 18:6a4db94011d3 37 void gpio_init_in(gpio_t* gpio, PinName pin) {
sahilmgandhi 18:6a4db94011d3 38 gpio_init_in_ex(gpio, pin, PullDefault);
sahilmgandhi 18:6a4db94011d3 39 }
sahilmgandhi 18:6a4db94011d3 40
sahilmgandhi 18:6a4db94011d3 41 void gpio_init_in_ex(gpio_t* gpio, PinName pin, PinMode mode) {
sahilmgandhi 18:6a4db94011d3 42 _gpio_init_in(gpio, pin, mode);
sahilmgandhi 18:6a4db94011d3 43 }
sahilmgandhi 18:6a4db94011d3 44
sahilmgandhi 18:6a4db94011d3 45 void gpio_init_out(gpio_t* gpio, PinName pin) {
sahilmgandhi 18:6a4db94011d3 46 gpio_init_out_ex(gpio, pin, 0);
sahilmgandhi 18:6a4db94011d3 47 }
sahilmgandhi 18:6a4db94011d3 48
sahilmgandhi 18:6a4db94011d3 49 void gpio_init_out_ex(gpio_t* gpio, PinName pin, int value) {
sahilmgandhi 18:6a4db94011d3 50 _gpio_init_out(gpio, pin, PullNone, value);
sahilmgandhi 18:6a4db94011d3 51 }
sahilmgandhi 18:6a4db94011d3 52
sahilmgandhi 18:6a4db94011d3 53 void gpio_init_inout(gpio_t* gpio, PinName pin, PinDirection direction, PinMode mode, int value) {
sahilmgandhi 18:6a4db94011d3 54 if (direction == PIN_INPUT) {
sahilmgandhi 18:6a4db94011d3 55 _gpio_init_in(gpio, pin, mode);
sahilmgandhi 18:6a4db94011d3 56 if (pin != NC)
sahilmgandhi 18:6a4db94011d3 57 gpio_write(gpio, value); // we prepare the value in case it is switched later
sahilmgandhi 18:6a4db94011d3 58 } else {
sahilmgandhi 18:6a4db94011d3 59 _gpio_init_out(gpio, pin, mode, value);
sahilmgandhi 18:6a4db94011d3 60 }
sahilmgandhi 18:6a4db94011d3 61 }