Johannes Stratmann / mbed-dev

added prescaler for 16 bit pwm in LPC1347 target

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targets/hal/TARGET_RENESAS/TARGET_RZ_A1H/gpio_api.c@144:ef7eb2e8f9f7, 2016-09-02 (annotated)

Committer:
<>
Date:
Fri Sep 02 15:07:44 2016 +0100
Revision:
144:ef7eb2e8f9f7
Parent:
0:9b334a45a8ff 
This updates the lib to the mbed lib v125

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 144:ef7eb2e8f9f7 1 /* mbed Microcontroller Library
<> 144:ef7eb2e8f9f7 2 * Copyright (c) 2006-2013 ARM Limited
<> 144:ef7eb2e8f9f7 3 *
<> 144:ef7eb2e8f9f7 4 * Licensed under the Apache License, Version 2.0 (the "License");
<> 144:ef7eb2e8f9f7 5 * you may not use this file except in compliance with the License.
<> 144:ef7eb2e8f9f7 6 * You may obtain a copy of the License at
<> 144:ef7eb2e8f9f7 7 *
<> 144:ef7eb2e8f9f7 8 * http://www.apache.org/licenses/LICENSE-2.0
<> 144:ef7eb2e8f9f7 9 *
<> 144:ef7eb2e8f9f7 10 * Unless required by applicable law or agreed to in writing, software
<> 144:ef7eb2e8f9f7 11 * distributed under the License is distributed on an "AS IS" BASIS,
<> 144:ef7eb2e8f9f7 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
<> 144:ef7eb2e8f9f7 13 * See the License for the specific language governing permissions and
<> 144:ef7eb2e8f9f7 14 * limitations under the License.
<> 144:ef7eb2e8f9f7 15 */
<> 144:ef7eb2e8f9f7 16 #include "gpio_api.h"
<> 144:ef7eb2e8f9f7 17 #include "pinmap.h"
<> 144:ef7eb2e8f9f7 18 #include "gpio_addrdefine.h"
<> 144:ef7eb2e8f9f7 19
<> 144:ef7eb2e8f9f7 20
<> 144:ef7eb2e8f9f7 21 uint32_t gpio_set(PinName pin) {
<> 144:ef7eb2e8f9f7 22 pin_function(pin, 0);
<> 144:ef7eb2e8f9f7 23 return (1 << PINNO(pin));
<> 144:ef7eb2e8f9f7 24 }
<> 144:ef7eb2e8f9f7 25
<> 144:ef7eb2e8f9f7 26 void gpio_init(gpio_t *obj, PinName pin) {
<> 144:ef7eb2e8f9f7 27 int group ;
<> 144:ef7eb2e8f9f7 28 obj->pin = pin;
<> 144:ef7eb2e8f9f7 29 if(pin == NC) return;
<> 144:ef7eb2e8f9f7 30
<> 144:ef7eb2e8f9f7 31 obj->mask = gpio_set(pin);
<> 144:ef7eb2e8f9f7 32
<> 144:ef7eb2e8f9f7 33 group = PINGROUP(pin);
<> 144:ef7eb2e8f9f7 34 if (group > 11) return;
<> 144:ef7eb2e8f9f7 35
<> 144:ef7eb2e8f9f7 36 obj->reg_set = (volatile uint32_t *) PSR(group);
<> 144:ef7eb2e8f9f7 37 obj->reg_in = (volatile uint32_t *) PPR(group);
<> 144:ef7eb2e8f9f7 38 obj->reg_dir = (volatile uint32_t *)PMSR(group);
<> 144:ef7eb2e8f9f7 39 obj->reg_buf = (volatile uint32_t *)PIBC(group);
<> 144:ef7eb2e8f9f7 40 }
<> 144:ef7eb2e8f9f7 41
<> 144:ef7eb2e8f9f7 42 void gpio_mode(gpio_t *obj, PinMode mode) {
<> 144:ef7eb2e8f9f7 43 /* Pull up and Pull down settings aren't supported because RZ/A1H doesn't have pull up/down for pins(signals). */
<> 144:ef7eb2e8f9f7 44 }
<> 144:ef7eb2e8f9f7 45
<> 144:ef7eb2e8f9f7 46 void gpio_dir(gpio_t *obj, PinDirection direction) {
<> 144:ef7eb2e8f9f7 47 switch (direction) {
<> 144:ef7eb2e8f9f7 48 case PIN_INPUT :
<> 144:ef7eb2e8f9f7 49 *obj->reg_dir = (obj->mask << 16) | obj->mask;
<> 144:ef7eb2e8f9f7 50 *obj->reg_buf |= obj->mask;
<> 144:ef7eb2e8f9f7 51 break;
<> 144:ef7eb2e8f9f7 52 case PIN_OUTPUT:
<> 144:ef7eb2e8f9f7 53 *obj->reg_dir = (obj->mask << 16) | 0;
<> 144:ef7eb2e8f9f7 54 *obj->reg_buf &= ~obj->mask;
<> 144:ef7eb2e8f9f7 55 break;
<> 144:ef7eb2e8f9f7 56 }
<> 144:ef7eb2e8f9f7 57 }