Ermanno Brusadin / mbed

mbed library sources

Dependents:   FRDM-KL46Z_LCD_Test FRDM-KL46Z_LCD_Test FRDM-KL46Z_Plantilla FRDM-KL46Z_Plantilla ... more

targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/gpio_api.c@0:6bc4ac881c8e, 2016-07-28 (annotated)

Committer:
ebrus
Date:
Thu Jul 28 15:56:34 2016 +0000
Revision:
0:6bc4ac881c8e
1;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ebrus 0:6bc4ac881c8e 1 /* mbed Microcontroller Library
ebrus 0:6bc4ac881c8e 2 * Copyright (c) 2006-2013 ARM Limited
ebrus 0:6bc4ac881c8e 3 *
ebrus 0:6bc4ac881c8e 4 * Licensed under the Apache License, Version 2.0 (the "License");
ebrus 0:6bc4ac881c8e 5 * you may not use this file except in compliance with the License.
ebrus 0:6bc4ac881c8e 6 * You may obtain a copy of the License at
ebrus 0:6bc4ac881c8e 7 *
ebrus 0:6bc4ac881c8e 8 * http://www.apache.org/licenses/LICENSE-2.0
ebrus 0:6bc4ac881c8e 9 *
ebrus 0:6bc4ac881c8e 10 * Unless required by applicable law or agreed to in writing, software
ebrus 0:6bc4ac881c8e 11 * distributed under the License is distributed on an "AS IS" BASIS,
ebrus 0:6bc4ac881c8e 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
ebrus 0:6bc4ac881c8e 13 * See the License for the specific language governing permissions and
ebrus 0:6bc4ac881c8e 14 * limitations under the License.
ebrus 0:6bc4ac881c8e 15 */
ebrus 0:6bc4ac881c8e 16 #include "mbed_assert.h"
ebrus 0:6bc4ac881c8e 17 #include "gpio_api.h"
ebrus 0:6bc4ac881c8e 18 #include "pinmap.h"
ebrus 0:6bc4ac881c8e 19 #include "fsl_port_hal.h"
ebrus 0:6bc4ac881c8e 20 #include "fsl_gpio_hal.h"
ebrus 0:6bc4ac881c8e 21 #include "fsl_sim_hal.h"
ebrus 0:6bc4ac881c8e 22 #include "fsl_clock_manager.h"
ebrus 0:6bc4ac881c8e 23
ebrus 0:6bc4ac881c8e 24 uint32_t gpio_set(PinName pin) {
ebrus 0:6bc4ac881c8e 25 MBED_ASSERT(pin != (PinName)NC);
ebrus 0:6bc4ac881c8e 26 uint32_t pin_num = pin & 0xFF;
ebrus 0:6bc4ac881c8e 27
ebrus 0:6bc4ac881c8e 28 pin_function(pin, (int)kPortMuxAsGpio);
ebrus 0:6bc4ac881c8e 29 return 1 << pin_num;
ebrus 0:6bc4ac881c8e 30 }
ebrus 0:6bc4ac881c8e 31
ebrus 0:6bc4ac881c8e 32 void gpio_init(gpio_t *obj, PinName pin) {
ebrus 0:6bc4ac881c8e 33 obj->pinName = pin;
ebrus 0:6bc4ac881c8e 34 if (pin == (PinName)NC)
ebrus 0:6bc4ac881c8e 35 return;
ebrus 0:6bc4ac881c8e 36
ebrus 0:6bc4ac881c8e 37 uint32_t port = pin >> GPIO_PORT_SHIFT;
ebrus 0:6bc4ac881c8e 38 uint32_t port_addrs[] = PORT_BASE_ADDRS;
ebrus 0:6bc4ac881c8e 39 uint32_t pin_num = pin & 0xFF;
ebrus 0:6bc4ac881c8e 40 CLOCK_SYS_EnablePortClock(port);
ebrus 0:6bc4ac881c8e 41 PORT_HAL_SetMuxMode(port_addrs[port], pin_num, kPortMuxAsGpio);
ebrus 0:6bc4ac881c8e 42 }
ebrus 0:6bc4ac881c8e 43
ebrus 0:6bc4ac881c8e 44 void gpio_mode(gpio_t *obj, PinMode mode) {
ebrus 0:6bc4ac881c8e 45 pin_mode(obj->pinName, mode);
ebrus 0:6bc4ac881c8e 46 }
ebrus 0:6bc4ac881c8e 47
ebrus 0:6bc4ac881c8e 48 void gpio_dir(gpio_t *obj, PinDirection direction) {
ebrus 0:6bc4ac881c8e 49 MBED_ASSERT(obj->pinName != (PinName)NC);
ebrus 0:6bc4ac881c8e 50 uint32_t port = obj->pinName >> GPIO_PORT_SHIFT;
ebrus 0:6bc4ac881c8e 51 uint32_t gpio_addrs[] = GPIO_BASE_ADDRS;
ebrus 0:6bc4ac881c8e 52 uint32_t pin_num = obj->pinName & 0xFF;
ebrus 0:6bc4ac881c8e 53
ebrus 0:6bc4ac881c8e 54 switch (direction) {
ebrus 0:6bc4ac881c8e 55 case PIN_INPUT:
ebrus 0:6bc4ac881c8e 56 GPIO_HAL_SetPinDir(gpio_addrs[port], pin_num, kGpioDigitalInput);
ebrus 0:6bc4ac881c8e 57 break;
ebrus 0:6bc4ac881c8e 58 case PIN_OUTPUT:
ebrus 0:6bc4ac881c8e 59 GPIO_HAL_SetPinDir(gpio_addrs[port], pin_num, kGpioDigitalOutput);
ebrus 0:6bc4ac881c8e 60 break;
ebrus 0:6bc4ac881c8e 61 }
ebrus 0:6bc4ac881c8e 62 }