mbed library sources
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targets/hal/TARGET_RENESAS/TARGET_RZ_A1H/gpio_api.c@390:35c2c1cf29cd, 2014-11-06 (annotated)
- Committer:
- mbed_official
- Date:
- Thu Nov 06 11:00:10 2014 +0000
- Revision:
- 390:35c2c1cf29cd
Synchronized with git revision 8724eb616b6e07a3bd111d3022652eb5bbefe9b7
Full URL: https://github.com/mbedmicro/mbed/commit/8724eb616b6e07a3bd111d3022652eb5bbefe9b7/
[RZ/A1H] mbed-RZ first release
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbed_official | 390:35c2c1cf29cd | 1 | /* mbed Microcontroller Library |
mbed_official | 390:35c2c1cf29cd | 2 | * Copyright (c) 2006-2013 ARM Limited |
mbed_official | 390:35c2c1cf29cd | 3 | * |
mbed_official | 390:35c2c1cf29cd | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
mbed_official | 390:35c2c1cf29cd | 5 | * you may not use this file except in compliance with the License. |
mbed_official | 390:35c2c1cf29cd | 6 | * You may obtain a copy of the License at |
mbed_official | 390:35c2c1cf29cd | 7 | * |
mbed_official | 390:35c2c1cf29cd | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
mbed_official | 390:35c2c1cf29cd | 9 | * |
mbed_official | 390:35c2c1cf29cd | 10 | * Unless required by applicable law or agreed to in writing, software |
mbed_official | 390:35c2c1cf29cd | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
mbed_official | 390:35c2c1cf29cd | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
mbed_official | 390:35c2c1cf29cd | 13 | * See the License for the specific language governing permissions and |
mbed_official | 390:35c2c1cf29cd | 14 | * limitations under the License. |
mbed_official | 390:35c2c1cf29cd | 15 | */ |
mbed_official | 390:35c2c1cf29cd | 16 | #include "gpio_api.h" |
mbed_official | 390:35c2c1cf29cd | 17 | #include "pinmap.h" |
mbed_official | 390:35c2c1cf29cd | 18 | #include "gpio_addrdefine.h" |
mbed_official | 390:35c2c1cf29cd | 19 | |
mbed_official | 390:35c2c1cf29cd | 20 | |
mbed_official | 390:35c2c1cf29cd | 21 | uint32_t gpio_set(PinName pin) { |
mbed_official | 390:35c2c1cf29cd | 22 | pin_function(pin, 0); |
mbed_official | 390:35c2c1cf29cd | 23 | return (1 << PINNO(pin)); |
mbed_official | 390:35c2c1cf29cd | 24 | } |
mbed_official | 390:35c2c1cf29cd | 25 | |
mbed_official | 390:35c2c1cf29cd | 26 | void gpio_init(gpio_t *obj, PinName pin) { |
mbed_official | 390:35c2c1cf29cd | 27 | int group ; |
mbed_official | 390:35c2c1cf29cd | 28 | if(pin == NC) return; |
mbed_official | 390:35c2c1cf29cd | 29 | |
mbed_official | 390:35c2c1cf29cd | 30 | obj->pin = pin; |
mbed_official | 390:35c2c1cf29cd | 31 | obj->mask = gpio_set(pin); |
mbed_official | 390:35c2c1cf29cd | 32 | |
mbed_official | 390:35c2c1cf29cd | 33 | group = PINGROUP(pin); |
mbed_official | 390:35c2c1cf29cd | 34 | if (group > 11) return; |
mbed_official | 390:35c2c1cf29cd | 35 | |
mbed_official | 390:35c2c1cf29cd | 36 | obj->reg_set = (volatile uint32_t *)PORT(group); |
mbed_official | 390:35c2c1cf29cd | 37 | obj->reg_in = (volatile uint32_t *) PPR(group); |
mbed_official | 390:35c2c1cf29cd | 38 | obj->reg_dir = (volatile uint32_t *) PM(group); |
mbed_official | 390:35c2c1cf29cd | 39 | obj->reg_buf = (volatile uint32_t *)PIBC(group); |
mbed_official | 390:35c2c1cf29cd | 40 | } |
mbed_official | 390:35c2c1cf29cd | 41 | |
mbed_official | 390:35c2c1cf29cd | 42 | void gpio_mode(gpio_t *obj, PinMode mode) { |
mbed_official | 390:35c2c1cf29cd | 43 | // pullup, pulldown, open...etc |
mbed_official | 390:35c2c1cf29cd | 44 | } |
mbed_official | 390:35c2c1cf29cd | 45 | |
mbed_official | 390:35c2c1cf29cd | 46 | void gpio_dir(gpio_t *obj, PinDirection direction) { |
mbed_official | 390:35c2c1cf29cd | 47 | switch (direction) { |
mbed_official | 390:35c2c1cf29cd | 48 | case PIN_INPUT : *obj->reg_dir |= obj->mask; |
mbed_official | 390:35c2c1cf29cd | 49 | *obj->reg_buf |= obj->mask; break; |
mbed_official | 390:35c2c1cf29cd | 50 | case PIN_OUTPUT: *obj->reg_dir &= ~obj->mask; |
mbed_official | 390:35c2c1cf29cd | 51 | *obj->reg_buf &= ~obj->mask; break; |
mbed_official | 390:35c2c1cf29cd | 52 | } |
mbed_official | 390:35c2c1cf29cd | 53 | } |