shao ziyang / mbed-src-kl05

mbed library sources

Dependents:   frdm_kl05z_gpio_test

Fork of mbed-src by mbed official

targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/TARGET_K64F/gpio_api.c@227:7bd0639b8911, 2014-06-11 (annotated)

Committer:
mbed_official
Date:
Wed Jun 11 16:00:09 2014 +0100
Revision:
227:7bd0639b8911
Parent:
149:1fb5f62b92bd 
Synchronized with git revision d58d532ebc0e0a96f4fffb8edefc082b71b964af



Full URL: https://github.com/mbedmicro/mbed/commit/d58d532ebc0e0a96f4fffb8edefc082b71b964af/

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 146:f64d43ff0c18 1 /* mbed Microcontroller Library
mbed_official 146:f64d43ff0c18 2 * Copyright (c) 2006-2013 ARM Limited
mbed_official 146:f64d43ff0c18 3 *
mbed_official 146:f64d43ff0c18 4 * Licensed under the Apache License, Version 2.0 (the "License");
mbed_official 146:f64d43ff0c18 5 * you may not use this file except in compliance with the License.
mbed_official 146:f64d43ff0c18 6 * You may obtain a copy of the License at
mbed_official 146:f64d43ff0c18 7 *
mbed_official 146:f64d43ff0c18 8 * http://www.apache.org/licenses/LICENSE-2.0
mbed_official 146:f64d43ff0c18 9 *
mbed_official 146:f64d43ff0c18 10 * Unless required by applicable law or agreed to in writing, software
mbed_official 146:f64d43ff0c18 11 * distributed under the License is distributed on an "AS IS" BASIS,
mbed_official 146:f64d43ff0c18 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbed_official 146:f64d43ff0c18 13 * See the License for the specific language governing permissions and
mbed_official 146:f64d43ff0c18 14 * limitations under the License.
mbed_official 146:f64d43ff0c18 15 */
mbed_official 227:7bd0639b8911 16 #include "mbed_assert.h"
mbed_official 146:f64d43ff0c18 17 #include "gpio_api.h"
mbed_official 146:f64d43ff0c18 18 #include "pinmap.h"
mbed_official 146:f64d43ff0c18 19 #include "fsl_port_hal.h"
mbed_official 146:f64d43ff0c18 20 #include "fsl_gpio_hal.h"
mbed_official 146:f64d43ff0c18 21 #include "fsl_sim_hal.h"
mbed_official 146:f64d43ff0c18 22
mbed_official 146:f64d43ff0c18 23 uint32_t gpio_set(PinName pin) {
mbed_official 227:7bd0639b8911 24 MBED_ASSERT(pin != (PinName)NC);
mbed_official 146:f64d43ff0c18 25 uint32_t pin_num = pin & 0xFF;
mbed_official 146:f64d43ff0c18 26
mbed_official 146:f64d43ff0c18 27 pin_function(pin, (int)kPortMuxAsGpio);
mbed_official 146:f64d43ff0c18 28 return 1 << pin_num;
mbed_official 146:f64d43ff0c18 29 }
mbed_official 146:f64d43ff0c18 30
mbed_official 146:f64d43ff0c18 31 void gpio_init(gpio_t *obj, PinName pin) {
mbed_official 227:7bd0639b8911 32 obj->pinName = pin;
mbed_official 227:7bd0639b8911 33 if (pin == (PinName)NC)
mbed_official 146:f64d43ff0c18 34 return;
mbed_official 146:f64d43ff0c18 35
mbed_official 146:f64d43ff0c18 36 uint32_t port = pin >> GPIO_PORT_SHIFT;
mbed_official 146:f64d43ff0c18 37 uint32_t pin_num = pin & 0xFF;
mbed_official 146:f64d43ff0c18 38 clock_hal_set_gate(kSimClockModulePORT, port, true);
mbed_official 146:f64d43ff0c18 39 port_hal_mux_control(port, pin_num, kPortMuxAsGpio);
mbed_official 146:f64d43ff0c18 40 }
mbed_official 146:f64d43ff0c18 41
mbed_official 146:f64d43ff0c18 42 void gpio_mode(gpio_t *obj, PinMode mode) {
mbed_official 146:f64d43ff0c18 43 pin_mode(obj->pinName, mode);
mbed_official 146:f64d43ff0c18 44 }
mbed_official 146:f64d43ff0c18 45
mbed_official 146:f64d43ff0c18 46 void gpio_dir(gpio_t *obj, PinDirection direction) {
mbed_official 227:7bd0639b8911 47 MBED_ASSERT(obj->pinName != (PinName)NC);
mbed_official 146:f64d43ff0c18 48 uint32_t port = obj->pinName >> GPIO_PORT_SHIFT;
mbed_official 146:f64d43ff0c18 49 uint32_t pin_num = obj->pinName & 0xFF;
mbed_official 146:f64d43ff0c18 50
mbed_official 146:f64d43ff0c18 51 switch (direction) {
mbed_official 146:f64d43ff0c18 52 case PIN_INPUT:
mbed_official 146:f64d43ff0c18 53 gpio_hal_set_pin_direction(port, pin_num, kGpioDigitalInput);
mbed_official 146:f64d43ff0c18 54 break;
mbed_official 146:f64d43ff0c18 55 case PIN_OUTPUT:
mbed_official 146:f64d43ff0c18 56 gpio_hal_set_pin_direction(port, pin_num, kGpioDigitalOutput);
mbed_official 146:f64d43ff0c18 57 break;
mbed_official 146:f64d43ff0c18 58 }
mbed_official 146:f64d43ff0c18 59 }