rik te winkel / mbed-dev

Forked mbed-dev as I use an 20 pins stm32F042 and not the 32 pins version

Dependents:   Numitron_clock

Fork of mbed-dev by mbed official

targets/TARGET_ublox/TARGET_HI2110/gpio_api.c@153:0a78729d3229, 2017-01-22 (annotated)

Committer:
riktw
Date:
Sun Jan 22 22:20:36 2017 +0000
Revision:
153:0a78729d3229
Parent:
150:02e0a0aed4ec 
Back to 8Mhz clock. Revision 1.0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 150:02e0a0aed4ec 1 /* mbed Microcontroller Library
<> 150:02e0a0aed4ec 2 * Copyright (c) 2016 u-blox
<> 150:02e0a0aed4ec 3 *
<> 150:02e0a0aed4ec 4 * Licensed under the Apache License, Version 2.0 (the "License");
<> 150:02e0a0aed4ec 5 * you may not use this file except in compliance with the License.
<> 150:02e0a0aed4ec 6 * You may obtain a copy of the License at
<> 150:02e0a0aed4ec 7 *
<> 150:02e0a0aed4ec 8 * http://www.apache.org/licenses/LICENSE-2.0
<> 150:02e0a0aed4ec 9 *
<> 150:02e0a0aed4ec 10 * Unless required by applicable law or agreed to in writing, software
<> 150:02e0a0aed4ec 11 * distributed under the License is distributed on an "AS IS" BASIS,
<> 150:02e0a0aed4ec 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
<> 150:02e0a0aed4ec 13 * See the License for the specific language governing permissions and
<> 150:02e0a0aed4ec 14 * limitations under the License.
<> 150:02e0a0aed4ec 15 */
<> 150:02e0a0aed4ec 16
<> 150:02e0a0aed4ec 17 #include "mbed_assert.h"
<> 150:02e0a0aed4ec 18 #include "gpio_api.h"
<> 150:02e0a0aed4ec 19 #include "pinmap.h"
<> 150:02e0a0aed4ec 20
<> 150:02e0a0aed4ec 21 /* ----------------------------------------------------------------
<> 150:02e0a0aed4ec 22 * MACROS
<> 150:02e0a0aed4ec 23 * ----------------------------------------------------------------*/
<> 150:02e0a0aed4ec 24
<> 150:02e0a0aed4ec 25 /* ----------------------------------------------------------------
<> 150:02e0a0aed4ec 26 * TYPES
<> 150:02e0a0aed4ec 27 * ----------------------------------------------------------------*/
<> 150:02e0a0aed4ec 28
<> 150:02e0a0aed4ec 29 /* ----------------------------------------------------------------
<> 150:02e0a0aed4ec 30 * GLOBAL VARIABLES
<> 150:02e0a0aed4ec 31 * ----------------------------------------------------------------*/
<> 150:02e0a0aed4ec 32
<> 150:02e0a0aed4ec 33 /* ----------------------------------------------------------------
<> 150:02e0a0aed4ec 34 * MBED API CALLS
<> 150:02e0a0aed4ec 35 * ----------------------------------------------------------------*/
<> 150:02e0a0aed4ec 36
<> 150:02e0a0aed4ec 37 void gpio_init(gpio_t *obj, PinName pin)
<> 150:02e0a0aed4ec 38 {
<> 150:02e0a0aed4ec 39 if (pin == (PinName)NC) {
<> 150:02e0a0aed4ec 40 return;
<> 150:02e0a0aed4ec 41 }
<> 150:02e0a0aed4ec 42
<> 150:02e0a0aed4ec 43 MBED_ASSERT (pin < NUM_PINS);
<> 150:02e0a0aed4ec 44
<> 150:02e0a0aed4ec 45 obj->pin = pin;
<> 150:02e0a0aed4ec 46 obj->mask = (1ul << pin);
<> 150:02e0a0aed4ec 47
<> 150:02e0a0aed4ec 48 obj->reg_set = &GPIO_OUT_BITSET;
<> 150:02e0a0aed4ec 49 obj->reg_clr = &GPIO_OUT_BITCLR;
<> 150:02e0a0aed4ec 50 obj->reg_val = &GPIO_VALUE;
<> 150:02e0a0aed4ec 51 obj->reg_dir = &GPIO_DIR;
<> 150:02e0a0aed4ec 52
<> 150:02e0a0aed4ec 53 /* Claim the pin */
<> 150:02e0a0aed4ec 54 pin_function(pin, PIN_FUNCTION_GPIO);
<> 150:02e0a0aed4ec 55 }
<> 150:02e0a0aed4ec 56
<> 150:02e0a0aed4ec 57 void gpio_mode(gpio_t *obj, PinMode mode)
<> 150:02e0a0aed4ec 58 {
<> 150:02e0a0aed4ec 59 pin_mode(obj->pin, mode);
<> 150:02e0a0aed4ec 60 }
<> 150:02e0a0aed4ec 61
<> 150:02e0a0aed4ec 62 void gpio_dir(gpio_t *obj, PinDirection direction)
<> 150:02e0a0aed4ec 63 {
<> 150:02e0a0aed4ec 64 MBED_ASSERT(obj->pin != (PinName)NC);
<> 150:02e0a0aed4ec 65
<> 150:02e0a0aed4ec 66 switch (direction) {
<> 150:02e0a0aed4ec 67 case PIN_INPUT:
<> 150:02e0a0aed4ec 68 {
<> 150:02e0a0aed4ec 69 *(obj->reg_dir) &= ~(obj->mask);
<> 150:02e0a0aed4ec 70 }
<> 150:02e0a0aed4ec 71 break;
<> 150:02e0a0aed4ec 72 case PIN_OUTPUT:
<> 150:02e0a0aed4ec 73 {
<> 150:02e0a0aed4ec 74 *(obj->reg_dir) |= obj->mask;
<> 150:02e0a0aed4ec 75 }
<> 150:02e0a0aed4ec 76 break;
<> 150:02e0a0aed4ec 77 /* TODO: looks as though the default is
<> 150:02e0a0aed4ec 78 * not normally trapped here */
<> 150:02e0a0aed4ec 79 }
<> 150:02e0a0aed4ec 80 }