MacroRat / MouseCode

Mouse code for the MacroRat

Dependencies:   ITG3200 QEI

mbed-dev/targets/TARGET_ublox/TARGET_HI2110/gpio_api.c@18:6a4db94011d3, 2017-05-14 (annotated)

Committer:
sahilmgandhi
Date:
Sun May 14 23:18:57 2017 +0000
Revision:
18:6a4db94011d3
Publishing again

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sahilmgandhi 18:6a4db94011d3 1 /* mbed Microcontroller Library
sahilmgandhi 18:6a4db94011d3 2 * Copyright (c) 2016 u-blox
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
sahilmgandhi 18:6a4db94011d3 17 #include "mbed_assert.h"
sahilmgandhi 18:6a4db94011d3 18 #include "gpio_api.h"
sahilmgandhi 18:6a4db94011d3 19 #include "pinmap.h"
sahilmgandhi 18:6a4db94011d3 20
sahilmgandhi 18:6a4db94011d3 21 /* ----------------------------------------------------------------
sahilmgandhi 18:6a4db94011d3 22 * MACROS
sahilmgandhi 18:6a4db94011d3 23 * ----------------------------------------------------------------*/
sahilmgandhi 18:6a4db94011d3 24
sahilmgandhi 18:6a4db94011d3 25 /* ----------------------------------------------------------------
sahilmgandhi 18:6a4db94011d3 26 * TYPES
sahilmgandhi 18:6a4db94011d3 27 * ----------------------------------------------------------------*/
sahilmgandhi 18:6a4db94011d3 28
sahilmgandhi 18:6a4db94011d3 29 /* ----------------------------------------------------------------
sahilmgandhi 18:6a4db94011d3 30 * GLOBAL VARIABLES
sahilmgandhi 18:6a4db94011d3 31 * ----------------------------------------------------------------*/
sahilmgandhi 18:6a4db94011d3 32
sahilmgandhi 18:6a4db94011d3 33 /* ----------------------------------------------------------------
sahilmgandhi 18:6a4db94011d3 34 * MBED API CALLS
sahilmgandhi 18:6a4db94011d3 35 * ----------------------------------------------------------------*/
sahilmgandhi 18:6a4db94011d3 36
sahilmgandhi 18:6a4db94011d3 37 void gpio_init(gpio_t *obj, PinName pin)
sahilmgandhi 18:6a4db94011d3 38 {
sahilmgandhi 18:6a4db94011d3 39 if (pin == (PinName)NC) {
sahilmgandhi 18:6a4db94011d3 40 return;
sahilmgandhi 18:6a4db94011d3 41 }
sahilmgandhi 18:6a4db94011d3 42
sahilmgandhi 18:6a4db94011d3 43 MBED_ASSERT (pin < NUM_PINS);
sahilmgandhi 18:6a4db94011d3 44
sahilmgandhi 18:6a4db94011d3 45 obj->pin = pin;
sahilmgandhi 18:6a4db94011d3 46 obj->mask = (1ul << pin);
sahilmgandhi 18:6a4db94011d3 47
sahilmgandhi 18:6a4db94011d3 48 obj->reg_set = &GPIO_OUT_BITSET;
sahilmgandhi 18:6a4db94011d3 49 obj->reg_clr = &GPIO_OUT_BITCLR;
sahilmgandhi 18:6a4db94011d3 50 obj->reg_val = &GPIO_VALUE;
sahilmgandhi 18:6a4db94011d3 51 obj->reg_dir = &GPIO_DIR;
sahilmgandhi 18:6a4db94011d3 52
sahilmgandhi 18:6a4db94011d3 53 /* Claim the pin */
sahilmgandhi 18:6a4db94011d3 54 pin_function(pin, PIN_FUNCTION_GPIO);
sahilmgandhi 18:6a4db94011d3 55 }
sahilmgandhi 18:6a4db94011d3 56
sahilmgandhi 18:6a4db94011d3 57 void gpio_mode(gpio_t *obj, PinMode mode)
sahilmgandhi 18:6a4db94011d3 58 {
sahilmgandhi 18:6a4db94011d3 59 pin_mode(obj->pin, mode);
sahilmgandhi 18:6a4db94011d3 60 }
sahilmgandhi 18:6a4db94011d3 61
sahilmgandhi 18:6a4db94011d3 62 void gpio_dir(gpio_t *obj, PinDirection direction)
sahilmgandhi 18:6a4db94011d3 63 {
sahilmgandhi 18:6a4db94011d3 64 MBED_ASSERT(obj->pin != (PinName)NC);
sahilmgandhi 18:6a4db94011d3 65
sahilmgandhi 18:6a4db94011d3 66 switch (direction) {
sahilmgandhi 18:6a4db94011d3 67 case PIN_INPUT:
sahilmgandhi 18:6a4db94011d3 68 {
sahilmgandhi 18:6a4db94011d3 69 *(obj->reg_dir) &= ~(obj->mask);
sahilmgandhi 18:6a4db94011d3 70 }
sahilmgandhi 18:6a4db94011d3 71 break;
sahilmgandhi 18:6a4db94011d3 72 case PIN_OUTPUT:
sahilmgandhi 18:6a4db94011d3 73 {
sahilmgandhi 18:6a4db94011d3 74 *(obj->reg_dir) |= obj->mask;
sahilmgandhi 18:6a4db94011d3 75 }
sahilmgandhi 18:6a4db94011d3 76 break;
sahilmgandhi 18:6a4db94011d3 77 /* TODO: looks as though the default is
sahilmgandhi 18:6a4db94011d3 78 * not normally trapped here */
sahilmgandhi 18:6a4db94011d3 79 }
sahilmgandhi 18:6a4db94011d3 80 }