MacroRat / MouseCode

Mouse code for the MacroRat

Dependencies:   ITG3200 QEI

mbed-dev/targets/TARGET_NUVOTON/TARGET_M451/gpio_api.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) 2015-2016 Nuvoton
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 "gpio_api.h"
sahilmgandhi 18:6a4db94011d3 18 #include "mbed_assert.h"
sahilmgandhi 18:6a4db94011d3 19 #include "pinmap.h"
sahilmgandhi 18:6a4db94011d3 20 #include "mbed_error.h"
sahilmgandhi 18:6a4db94011d3 21 #include "PeripheralPins.h"
sahilmgandhi 18:6a4db94011d3 22
sahilmgandhi 18:6a4db94011d3 23 uint32_t gpio_set(PinName pin)
sahilmgandhi 18:6a4db94011d3 24 {
sahilmgandhi 18:6a4db94011d3 25 if (pin == (PinName) NC) {
sahilmgandhi 18:6a4db94011d3 26 return 0;
sahilmgandhi 18:6a4db94011d3 27 }
sahilmgandhi 18:6a4db94011d3 28
sahilmgandhi 18:6a4db94011d3 29 uint32_t pin_index = NU_PINNAME_TO_PIN(pin);
sahilmgandhi 18:6a4db94011d3 30
sahilmgandhi 18:6a4db94011d3 31 #if 1
sahilmgandhi 18:6a4db94011d3 32 pin_function(pin, 0 << NU_MFP_POS(pin_index));
sahilmgandhi 18:6a4db94011d3 33 #else
sahilmgandhi 18:6a4db94011d3 34 pinmap_pinout(pin, PinMap_GPIO);
sahilmgandhi 18:6a4db94011d3 35 #endif
sahilmgandhi 18:6a4db94011d3 36
sahilmgandhi 18:6a4db94011d3 37 return (uint32_t)(1 << pin_index); // Return the pin mask
sahilmgandhi 18:6a4db94011d3 38 }
sahilmgandhi 18:6a4db94011d3 39
sahilmgandhi 18:6a4db94011d3 40 void gpio_init(gpio_t *obj, PinName pin)
sahilmgandhi 18:6a4db94011d3 41 {
sahilmgandhi 18:6a4db94011d3 42 obj->pin = pin;
sahilmgandhi 18:6a4db94011d3 43
sahilmgandhi 18:6a4db94011d3 44 if (obj->pin == (PinName) NC) {
sahilmgandhi 18:6a4db94011d3 45 return;
sahilmgandhi 18:6a4db94011d3 46 }
sahilmgandhi 18:6a4db94011d3 47
sahilmgandhi 18:6a4db94011d3 48 obj->mask = gpio_set(pin);
sahilmgandhi 18:6a4db94011d3 49 }
sahilmgandhi 18:6a4db94011d3 50
sahilmgandhi 18:6a4db94011d3 51 void gpio_mode(gpio_t *obj, PinMode mode)
sahilmgandhi 18:6a4db94011d3 52 {
sahilmgandhi 18:6a4db94011d3 53 if (obj->pin == (PinName) NC) {
sahilmgandhi 18:6a4db94011d3 54 return;
sahilmgandhi 18:6a4db94011d3 55 }
sahilmgandhi 18:6a4db94011d3 56
sahilmgandhi 18:6a4db94011d3 57 pin_mode(obj->pin, mode);
sahilmgandhi 18:6a4db94011d3 58 }
sahilmgandhi 18:6a4db94011d3 59
sahilmgandhi 18:6a4db94011d3 60 void gpio_dir(gpio_t *obj, PinDirection direction)
sahilmgandhi 18:6a4db94011d3 61 {
sahilmgandhi 18:6a4db94011d3 62 if (obj->pin == (PinName) NC) {
sahilmgandhi 18:6a4db94011d3 63 return;
sahilmgandhi 18:6a4db94011d3 64 }
sahilmgandhi 18:6a4db94011d3 65
sahilmgandhi 18:6a4db94011d3 66 uint32_t pin_index = NU_PINNAME_TO_PIN(obj->pin);
sahilmgandhi 18:6a4db94011d3 67 uint32_t port_index = NU_PINNAME_TO_PORT(obj->pin);
sahilmgandhi 18:6a4db94011d3 68 GPIO_T *gpio_base = NU_PORT_BASE(port_index);
sahilmgandhi 18:6a4db94011d3 69
sahilmgandhi 18:6a4db94011d3 70 uint32_t mode_intern = GPIO_MODE_INPUT;
sahilmgandhi 18:6a4db94011d3 71
sahilmgandhi 18:6a4db94011d3 72 switch (direction) {
sahilmgandhi 18:6a4db94011d3 73 case PIN_INPUT:
sahilmgandhi 18:6a4db94011d3 74 mode_intern = GPIO_MODE_INPUT;
sahilmgandhi 18:6a4db94011d3 75 break;
sahilmgandhi 18:6a4db94011d3 76
sahilmgandhi 18:6a4db94011d3 77 case PIN_OUTPUT:
sahilmgandhi 18:6a4db94011d3 78 mode_intern = GPIO_MODE_OUTPUT;
sahilmgandhi 18:6a4db94011d3 79 break;
sahilmgandhi 18:6a4db94011d3 80
sahilmgandhi 18:6a4db94011d3 81 default:
sahilmgandhi 18:6a4db94011d3 82 return;
sahilmgandhi 18:6a4db94011d3 83 }
sahilmgandhi 18:6a4db94011d3 84
sahilmgandhi 18:6a4db94011d3 85 GPIO_SetMode(gpio_base, 1 << pin_index, mode_intern);
sahilmgandhi 18:6a4db94011d3 86 }