Color Oled(SSD1331) connect to STMicroelectronics Nucleo-F466

Dependencies:   ssd1331

Committer:
kadonotakashi
Date:
Wed Oct 10 00:33:53 2018 +0000
Revision:
0:8fdf9a60065b
how to make mbed librry

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kadonotakashi 0:8fdf9a60065b 1 /* mbed Microcontroller Library
kadonotakashi 0:8fdf9a60065b 2 * Copyright (c) 2015-2016 Nuvoton
kadonotakashi 0:8fdf9a60065b 3 *
kadonotakashi 0:8fdf9a60065b 4 * Licensed under the Apache License, Version 2.0 (the "License");
kadonotakashi 0:8fdf9a60065b 5 * you may not use this file except in compliance with the License.
kadonotakashi 0:8fdf9a60065b 6 * You may obtain a copy of the License at
kadonotakashi 0:8fdf9a60065b 7 *
kadonotakashi 0:8fdf9a60065b 8 * http://www.apache.org/licenses/LICENSE-2.0
kadonotakashi 0:8fdf9a60065b 9 *
kadonotakashi 0:8fdf9a60065b 10 * Unless required by applicable law or agreed to in writing, software
kadonotakashi 0:8fdf9a60065b 11 * distributed under the License is distributed on an "AS IS" BASIS,
kadonotakashi 0:8fdf9a60065b 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
kadonotakashi 0:8fdf9a60065b 13 * See the License for the specific language governing permissions and
kadonotakashi 0:8fdf9a60065b 14 * limitations under the License.
kadonotakashi 0:8fdf9a60065b 15 */
kadonotakashi 0:8fdf9a60065b 16
kadonotakashi 0:8fdf9a60065b 17 #include "gpio_api.h"
kadonotakashi 0:8fdf9a60065b 18 #include "mbed_assert.h"
kadonotakashi 0:8fdf9a60065b 19 #include "pinmap.h"
kadonotakashi 0:8fdf9a60065b 20 #include "mbed_error.h"
kadonotakashi 0:8fdf9a60065b 21 #include "PeripheralPins.h"
kadonotakashi 0:8fdf9a60065b 22
kadonotakashi 0:8fdf9a60065b 23 uint32_t gpio_set(PinName pin)
kadonotakashi 0:8fdf9a60065b 24 {
kadonotakashi 0:8fdf9a60065b 25 if (pin == (PinName) NC) {
kadonotakashi 0:8fdf9a60065b 26 return 0;
kadonotakashi 0:8fdf9a60065b 27 }
kadonotakashi 0:8fdf9a60065b 28
kadonotakashi 0:8fdf9a60065b 29 uint32_t pin_index = NU_PINNAME_TO_PIN(pin);
kadonotakashi 0:8fdf9a60065b 30
kadonotakashi 0:8fdf9a60065b 31 #if 1
kadonotakashi 0:8fdf9a60065b 32 pin_function(pin, 0 << NU_MFP_POS(pin_index));
kadonotakashi 0:8fdf9a60065b 33 #else
kadonotakashi 0:8fdf9a60065b 34 pinmap_pinout(pin, PinMap_GPIO);
kadonotakashi 0:8fdf9a60065b 35 #endif
kadonotakashi 0:8fdf9a60065b 36
kadonotakashi 0:8fdf9a60065b 37 return (uint32_t)(1 << pin_index); // Return the pin mask
kadonotakashi 0:8fdf9a60065b 38 }
kadonotakashi 0:8fdf9a60065b 39
kadonotakashi 0:8fdf9a60065b 40 int gpio_is_connected(const gpio_t *obj)
kadonotakashi 0:8fdf9a60065b 41 {
kadonotakashi 0:8fdf9a60065b 42 return (obj->pin != (PinName) NC);
kadonotakashi 0:8fdf9a60065b 43 }
kadonotakashi 0:8fdf9a60065b 44
kadonotakashi 0:8fdf9a60065b 45 void gpio_init(gpio_t *obj, PinName pin)
kadonotakashi 0:8fdf9a60065b 46 {
kadonotakashi 0:8fdf9a60065b 47 obj->pin = pin;
kadonotakashi 0:8fdf9a60065b 48
kadonotakashi 0:8fdf9a60065b 49 if (obj->pin == (PinName) NC) {
kadonotakashi 0:8fdf9a60065b 50 return;
kadonotakashi 0:8fdf9a60065b 51 }
kadonotakashi 0:8fdf9a60065b 52
kadonotakashi 0:8fdf9a60065b 53 obj->mask = gpio_set(pin);
kadonotakashi 0:8fdf9a60065b 54 /* Default mode/direction */
kadonotakashi 0:8fdf9a60065b 55 obj->mode = PullUp;
kadonotakashi 0:8fdf9a60065b 56 obj->direction = PIN_INPUT;
kadonotakashi 0:8fdf9a60065b 57 }
kadonotakashi 0:8fdf9a60065b 58
kadonotakashi 0:8fdf9a60065b 59 void gpio_mode(gpio_t *obj, PinMode mode)
kadonotakashi 0:8fdf9a60065b 60 {
kadonotakashi 0:8fdf9a60065b 61 if (obj->pin == (PinName) NC) {
kadonotakashi 0:8fdf9a60065b 62 return;
kadonotakashi 0:8fdf9a60065b 63 }
kadonotakashi 0:8fdf9a60065b 64
kadonotakashi 0:8fdf9a60065b 65 switch (mode) {
kadonotakashi 0:8fdf9a60065b 66 case PullNone:
kadonotakashi 0:8fdf9a60065b 67 case PullDown:
kadonotakashi 0:8fdf9a60065b 68 case PullUp:
kadonotakashi 0:8fdf9a60065b 69 /* H/W doesn't support separate configuration for input pull mode/direction.
kadonotakashi 0:8fdf9a60065b 70 * We translate to input-only/push-pull output I/O mode dependent on direction. */
kadonotakashi 0:8fdf9a60065b 71 obj->mode = (obj->direction == PIN_INPUT) ? InputOnly : PushPullOutput;
kadonotakashi 0:8fdf9a60065b 72 break;
kadonotakashi 0:8fdf9a60065b 73
kadonotakashi 0:8fdf9a60065b 74 case QuasiBidirectional:
kadonotakashi 0:8fdf9a60065b 75 /* With quasi-bidirectional I/O mode, before digital input function is performed,
kadonotakashi 0:8fdf9a60065b 76 * the corresponding bit in GPIOx_DOUT must be set to 1. */
kadonotakashi 0:8fdf9a60065b 77 obj->mode = QuasiBidirectional;
kadonotakashi 0:8fdf9a60065b 78 if (obj->direction == PIN_INPUT) {
kadonotakashi 0:8fdf9a60065b 79 gpio_write(obj, 1);
kadonotakashi 0:8fdf9a60065b 80 }
kadonotakashi 0:8fdf9a60065b 81 break;
kadonotakashi 0:8fdf9a60065b 82
kadonotakashi 0:8fdf9a60065b 83 case InputOnly:
kadonotakashi 0:8fdf9a60065b 84 case PushPullOutput:
kadonotakashi 0:8fdf9a60065b 85 /* We may meet contradictory I/O mode/direction configuration. Favor I/O mode
kadonotakashi 0:8fdf9a60065b 86 * in the gpio_mode call here. */
kadonotakashi 0:8fdf9a60065b 87 if (mode == InputOnly) {
kadonotakashi 0:8fdf9a60065b 88 obj->direction = PIN_INPUT;
kadonotakashi 0:8fdf9a60065b 89 obj->mode = InputOnly;
kadonotakashi 0:8fdf9a60065b 90 } else {
kadonotakashi 0:8fdf9a60065b 91 obj->direction = PIN_OUTPUT;
kadonotakashi 0:8fdf9a60065b 92 obj->mode = PushPullOutput;
kadonotakashi 0:8fdf9a60065b 93 }
kadonotakashi 0:8fdf9a60065b 94 break;
kadonotakashi 0:8fdf9a60065b 95
kadonotakashi 0:8fdf9a60065b 96 default:
kadonotakashi 0:8fdf9a60065b 97 /* Allow for configuring other I/O modes directly */
kadonotakashi 0:8fdf9a60065b 98 obj->mode = mode;
kadonotakashi 0:8fdf9a60065b 99 break;
kadonotakashi 0:8fdf9a60065b 100 }
kadonotakashi 0:8fdf9a60065b 101
kadonotakashi 0:8fdf9a60065b 102 pin_mode(obj->pin, obj->mode);
kadonotakashi 0:8fdf9a60065b 103 }
kadonotakashi 0:8fdf9a60065b 104
kadonotakashi 0:8fdf9a60065b 105 void gpio_dir(gpio_t *obj, PinDirection direction)
kadonotakashi 0:8fdf9a60065b 106 {
kadonotakashi 0:8fdf9a60065b 107 if (obj->pin == (PinName) NC) {
kadonotakashi 0:8fdf9a60065b 108 return;
kadonotakashi 0:8fdf9a60065b 109 }
kadonotakashi 0:8fdf9a60065b 110
kadonotakashi 0:8fdf9a60065b 111 obj->direction = direction;
kadonotakashi 0:8fdf9a60065b 112
kadonotakashi 0:8fdf9a60065b 113 switch (obj->mode) {
kadonotakashi 0:8fdf9a60065b 114 case PullNone:
kadonotakashi 0:8fdf9a60065b 115 case PullDown:
kadonotakashi 0:8fdf9a60065b 116 case PullUp:
kadonotakashi 0:8fdf9a60065b 117 /* H/W doesn't support separate configuration for input pull mode/direction.
kadonotakashi 0:8fdf9a60065b 118 * We translate to input-only/push-pull output I/O mode dependent on direction. */
kadonotakashi 0:8fdf9a60065b 119 obj->mode = (obj->direction == PIN_INPUT) ? InputOnly : PushPullOutput;
kadonotakashi 0:8fdf9a60065b 120 break;
kadonotakashi 0:8fdf9a60065b 121
kadonotakashi 0:8fdf9a60065b 122 case QuasiBidirectional:
kadonotakashi 0:8fdf9a60065b 123 /* With quasi-bidirectional I/O mode, before digital input function is performed,
kadonotakashi 0:8fdf9a60065b 124 * the corresponding bit in GPIOx_DOUT must be set to 1. */
kadonotakashi 0:8fdf9a60065b 125 if (obj->direction == PIN_INPUT) {
kadonotakashi 0:8fdf9a60065b 126 gpio_write(obj, 1);
kadonotakashi 0:8fdf9a60065b 127 }
kadonotakashi 0:8fdf9a60065b 128 break;
kadonotakashi 0:8fdf9a60065b 129
kadonotakashi 0:8fdf9a60065b 130 case InputOnly:
kadonotakashi 0:8fdf9a60065b 131 case PushPullOutput:
kadonotakashi 0:8fdf9a60065b 132 /* We may meet contradictory I/O mode/direction configuration. Favor direction
kadonotakashi 0:8fdf9a60065b 133 * in the gpio_dir call here. */
kadonotakashi 0:8fdf9a60065b 134 obj->mode = (obj->direction == PIN_INPUT) ? InputOnly : PushPullOutput;
kadonotakashi 0:8fdf9a60065b 135 break;
kadonotakashi 0:8fdf9a60065b 136
kadonotakashi 0:8fdf9a60065b 137 default:
kadonotakashi 0:8fdf9a60065b 138 break;
kadonotakashi 0:8fdf9a60065b 139 }
kadonotakashi 0:8fdf9a60065b 140
kadonotakashi 0:8fdf9a60065b 141 pin_mode(obj->pin, obj->mode);
kadonotakashi 0:8fdf9a60065b 142 }