Johannes Stratmann / mbed-dev

added prescaler for 16 bit pwm in LPC1347 target

Fork of mbed-dev by mbed official

targets/hal/TARGET_RENESAS/TARGET_VK_RZ_A1H/gpio_object.h@147:ba84b7dc41a7, 2016-09-10 (annotated)

Committer:
JojoS
Date:
Sat Sep 10 15:32:04 2016 +0000
Revision:
147:ba84b7dc41a7
Parent:
119:3921aeca8633 
added prescaler for 16 bit timers (solution as in LPC11xx), default prescaler 31 for max 28 ms period time

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 119:3921aeca8633 1 /* mbed Microcontroller Library
mbed_official 119:3921aeca8633 2 * Copyright (c) 2006-2013 ARM Limited
mbed_official 119:3921aeca8633 3 *
mbed_official 119:3921aeca8633 4 * Licensed under the Apache License, Version 2.0 (the "License");
mbed_official 119:3921aeca8633 5 * you may not use this file except in compliance with the License.
mbed_official 119:3921aeca8633 6 * You may obtain a copy of the License at
mbed_official 119:3921aeca8633 7 *
mbed_official 119:3921aeca8633 8 * http://www.apache.org/licenses/LICENSE-2.0
mbed_official 119:3921aeca8633 9 *
mbed_official 119:3921aeca8633 10 * Unless required by applicable law or agreed to in writing, software
mbed_official 119:3921aeca8633 11 * distributed under the License is distributed on an "AS IS" BASIS,
mbed_official 119:3921aeca8633 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbed_official 119:3921aeca8633 13 * See the License for the specific language governing permissions and
mbed_official 119:3921aeca8633 14 * limitations under the License.
mbed_official 119:3921aeca8633 15 */
mbed_official 119:3921aeca8633 16 #ifndef MBED_GPIO_OBJECT_H
mbed_official 119:3921aeca8633 17 #define MBED_GPIO_OBJECT_H
mbed_official 119:3921aeca8633 18
mbed_official 119:3921aeca8633 19 #include "mbed_assert.h"
mbed_official 119:3921aeca8633 20
mbed_official 119:3921aeca8633 21 #ifdef __cplusplus
mbed_official 119:3921aeca8633 22 extern "C" {
mbed_official 119:3921aeca8633 23 #endif
mbed_official 119:3921aeca8633 24
mbed_official 119:3921aeca8633 25 typedef struct {
mbed_official 119:3921aeca8633 26 PinName pin;
mbed_official 119:3921aeca8633 27 uint32_t mask;
mbed_official 119:3921aeca8633 28
mbed_official 119:3921aeca8633 29 __IO uint32_t *reg_dir;
mbed_official 119:3921aeca8633 30 __IO uint32_t *reg_set;
mbed_official 119:3921aeca8633 31 __I uint32_t *reg_in;
mbed_official 119:3921aeca8633 32 __IO uint32_t *reg_buf;
mbed_official 119:3921aeca8633 33 } gpio_t;
mbed_official 119:3921aeca8633 34
mbed_official 119:3921aeca8633 35 static inline void gpio_write(gpio_t *obj, int value) {
mbed_official 119:3921aeca8633 36 *obj->reg_set = (obj->mask << 16) | ((value != 0) ? obj->mask : 0);
mbed_official 119:3921aeca8633 37 }
mbed_official 119:3921aeca8633 38
mbed_official 119:3921aeca8633 39 static inline int gpio_read(gpio_t *obj) {
mbed_official 119:3921aeca8633 40 return ((*obj->reg_in & obj->mask) ? 1 : 0);
mbed_official 119:3921aeca8633 41 }
mbed_official 119:3921aeca8633 42
mbed_official 119:3921aeca8633 43 static inline int gpio_is_connected(const gpio_t *obj) {
mbed_official 119:3921aeca8633 44 return obj->pin != (PinName)NC;
mbed_official 119:3921aeca8633 45 }
mbed_official 119:3921aeca8633 46
mbed_official 119:3921aeca8633 47 #ifdef __cplusplus
mbed_official 119:3921aeca8633 48 }
mbed_official 119:3921aeca8633 49 #endif
mbed_official 119:3921aeca8633 50
mbed_official 119:3921aeca8633 51 #endif