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/port_api.c@150:49699a7d7064, 2014-04-04 (annotated)

Committer:
mbed_official
Date:
Fri Apr 04 10:45:08 2014 +0100
Revision:
150:49699a7d7064
Parent:
149:1fb5f62b92bd
Child:
267:8673334f2cbe
Synchronized with git revision d4566711265f6e274f03a79a4819636519bf3a42



Full URL: https://github.com/mbedmicro/mbed/commit/d4566711265f6e274f03a79a4819636519bf3a42/



K64F - port HAL corrections, pwm clock configuration store

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 146:f64d43ff0c18 16 #include "port_api.h"
mbed_official 146:f64d43ff0c18 17 #include "pinmap.h"
mbed_official 146:f64d43ff0c18 18 #include "gpio_api.h"
mbed_official 146:f64d43ff0c18 19
mbed_official 146:f64d43ff0c18 20 PinName port_pin(PortName port, int pin_n) {
mbed_official 146:f64d43ff0c18 21 return (PinName)((port << GPIO_PORT_SHIFT) | pin_n);
mbed_official 146:f64d43ff0c18 22 }
mbed_official 146:f64d43ff0c18 23
mbed_official 146:f64d43ff0c18 24 void port_init(port_t *obj, PortName port, int mask, PinDirection dir) {
mbed_official 146:f64d43ff0c18 25 obj->port = port;
mbed_official 146:f64d43ff0c18 26 obj->mask = mask;
mbed_official 146:f64d43ff0c18 27
mbed_official 146:f64d43ff0c18 28 // The function is set per pin: reuse gpio logic
mbed_official 146:f64d43ff0c18 29 for (uint32_t i = 0; i < 32; i++) {
mbed_official 146:f64d43ff0c18 30 if (obj->mask & (1 << i)) {
mbed_official 146:f64d43ff0c18 31 gpio_set(port_pin(obj->port, i));
mbed_official 146:f64d43ff0c18 32 }
mbed_official 146:f64d43ff0c18 33 }
mbed_official 146:f64d43ff0c18 34
mbed_official 146:f64d43ff0c18 35 port_dir(obj, dir);
mbed_official 146:f64d43ff0c18 36 }
mbed_official 146:f64d43ff0c18 37
mbed_official 146:f64d43ff0c18 38 void port_mode(port_t *obj, PinMode mode) {
mbed_official 146:f64d43ff0c18 39
mbed_official 146:f64d43ff0c18 40 // The mode is set per pin: reuse pinmap logic
mbed_official 146:f64d43ff0c18 41 for (uint32_t i = 0; i < 32; i++) {
mbed_official 146:f64d43ff0c18 42 if (obj->mask & (1 << i)) {
mbed_official 146:f64d43ff0c18 43 pin_mode(port_pin(obj->port, i), mode);
mbed_official 146:f64d43ff0c18 44 }
mbed_official 146:f64d43ff0c18 45 }
mbed_official 146:f64d43ff0c18 46 }
mbed_official 146:f64d43ff0c18 47
mbed_official 146:f64d43ff0c18 48 void port_dir(port_t *obj, PinDirection dir) {
mbed_official 150:49699a7d7064 49 uint32_t direction = gpio_hal_get_port_direction((uint32_t)obj->port);
mbed_official 146:f64d43ff0c18 50 switch (dir) {
mbed_official 146:f64d43ff0c18 51 case PIN_INPUT :
mbed_official 150:49699a7d7064 52 direction &= ~obj->mask;
mbed_official 150:49699a7d7064 53 gpio_hal_set_port_direction((uint32_t)obj->port, direction);
mbed_official 146:f64d43ff0c18 54 break;
mbed_official 146:f64d43ff0c18 55 case PIN_OUTPUT:
mbed_official 150:49699a7d7064 56 direction |= obj->mask;
mbed_official 150:49699a7d7064 57 gpio_hal_set_port_direction((uint32_t)obj->port, direction);
mbed_official 146:f64d43ff0c18 58 break;
mbed_official 146:f64d43ff0c18 59 }
mbed_official 146:f64d43ff0c18 60 }
mbed_official 146:f64d43ff0c18 61
mbed_official 146:f64d43ff0c18 62 void port_write(port_t *obj, int value) {
mbed_official 150:49699a7d7064 63 uint32_t input = gpio_hal_read_port_input((uint32_t)obj->port) & ~obj->mask;
mbed_official 150:49699a7d7064 64 gpio_hal_write_port_output((uint32_t)obj->port, input | (uint32_t)(value & obj->mask));
mbed_official 146:f64d43ff0c18 65 }
mbed_official 146:f64d43ff0c18 66
mbed_official 146:f64d43ff0c18 67 int port_read(port_t *obj) {
mbed_official 146:f64d43ff0c18 68 return (int)(gpio_hal_read_port_input((uint32_t)obj->port) & obj->mask);
mbed_official 146:f64d43ff0c18 69 }