takashi kadono / Mbed OS Nucleo446_SSD1331

Color Oled(SSD1331) connect to STMicroelectronics Nucleo-F466

Dependencies:   ssd1331

mbed-os/targets/TARGET_Atmel/TARGET_SAM_CortexM4/gpio_api.c@0:8fdf9a60065b, 2018-10-10 (annotated)

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) 2006-2015 ARM Limited
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 #include "mbed_assert.h"
kadonotakashi 0:8fdf9a60065b 17 #include "PinNames.h"
kadonotakashi 0:8fdf9a60065b 18 #include "gpio_object.h"
kadonotakashi 0:8fdf9a60065b 19 #include "gpio_api.h"
kadonotakashi 0:8fdf9a60065b 20 #include "compiler.h"
kadonotakashi 0:8fdf9a60065b 21 #include "ioport.h"
kadonotakashi 0:8fdf9a60065b 22
kadonotakashi 0:8fdf9a60065b 23 extern uint8_t g_sys_init;
kadonotakashi 0:8fdf9a60065b 24
kadonotakashi 0:8fdf9a60065b 25 uint32_t gpio_set(PinName pin)
kadonotakashi 0:8fdf9a60065b 26 {
kadonotakashi 0:8fdf9a60065b 27 MBED_ASSERT(pin != (PinName)NC);
kadonotakashi 0:8fdf9a60065b 28 return (1UL << (pin % 32));
kadonotakashi 0:8fdf9a60065b 29 }
kadonotakashi 0:8fdf9a60065b 30
kadonotakashi 0:8fdf9a60065b 31 void gpio_init(gpio_t *obj, PinName pin)
kadonotakashi 0:8fdf9a60065b 32 {
kadonotakashi 0:8fdf9a60065b 33 MBED_ASSERT(pin != (PinName)NC);
kadonotakashi 0:8fdf9a60065b 34 if (g_sys_init == 0) {
kadonotakashi 0:8fdf9a60065b 35 sysclk_init();
kadonotakashi 0:8fdf9a60065b 36 system_board_init();
kadonotakashi 0:8fdf9a60065b 37 g_sys_init = 1;
kadonotakashi 0:8fdf9a60065b 38 }
kadonotakashi 0:8fdf9a60065b 39 obj->pin = pin;
kadonotakashi 0:8fdf9a60065b 40
kadonotakashi 0:8fdf9a60065b 41 ioport_set_pin_dir(pin, IOPORT_DIR_INPUT);
kadonotakashi 0:8fdf9a60065b 42 ioport_set_pin_mode(pin, IOPORT_MODE_PULLUP);
kadonotakashi 0:8fdf9a60065b 43 }
kadonotakashi 0:8fdf9a60065b 44
kadonotakashi 0:8fdf9a60065b 45 void gpio_mode(gpio_t *obj, PinMode mode)
kadonotakashi 0:8fdf9a60065b 46 {
kadonotakashi 0:8fdf9a60065b 47 MBED_ASSERT(obj->pin != (PinName)NC);
kadonotakashi 0:8fdf9a60065b 48 obj->mode = mode;
kadonotakashi 0:8fdf9a60065b 49 switch (mode) {
kadonotakashi 0:8fdf9a60065b 50 case PullNone :
kadonotakashi 0:8fdf9a60065b 51 ioport_set_pin_mode(obj->pin, IOPORT_MODE_OPEN_DRAIN);
kadonotakashi 0:8fdf9a60065b 52 break;
kadonotakashi 0:8fdf9a60065b 53 case PullUp:
kadonotakashi 0:8fdf9a60065b 54 ioport_set_pin_mode(obj->pin, IOPORT_MODE_PULLUP);
kadonotakashi 0:8fdf9a60065b 55 break;
kadonotakashi 0:8fdf9a60065b 56 case PullDown:
kadonotakashi 0:8fdf9a60065b 57 ioport_set_pin_mode(obj->pin, IOPORT_MODE_PULLDOWN);
kadonotakashi 0:8fdf9a60065b 58 break;
kadonotakashi 0:8fdf9a60065b 59 }
kadonotakashi 0:8fdf9a60065b 60 }
kadonotakashi 0:8fdf9a60065b 61
kadonotakashi 0:8fdf9a60065b 62 void gpio_dir(gpio_t *obj, PinDirection direction)
kadonotakashi 0:8fdf9a60065b 63 {
kadonotakashi 0:8fdf9a60065b 64 MBED_ASSERT(obj->pin != (PinName)NC);
kadonotakashi 0:8fdf9a60065b 65 obj->direction = direction;
kadonotakashi 0:8fdf9a60065b 66 switch (direction) {
kadonotakashi 0:8fdf9a60065b 67 case PIN_INPUT :
kadonotakashi 0:8fdf9a60065b 68 ioport_set_pin_dir(obj->pin, IOPORT_DIR_INPUT);
kadonotakashi 0:8fdf9a60065b 69 break;
kadonotakashi 0:8fdf9a60065b 70 case PIN_OUTPUT:
kadonotakashi 0:8fdf9a60065b 71 ioport_set_pin_dir(obj->pin, IOPORT_DIR_OUTPUT);
kadonotakashi 0:8fdf9a60065b 72 break;
kadonotakashi 0:8fdf9a60065b 73 case PIN_INPUT_OUTPUT:
kadonotakashi 0:8fdf9a60065b 74 ioport_set_pin_dir(obj->pin, IOPORT_DIR_OUTPUT);
kadonotakashi 0:8fdf9a60065b 75 break;
kadonotakashi 0:8fdf9a60065b 76 }
kadonotakashi 0:8fdf9a60065b 77 }