shinichi nakazawa / mbed-src

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Fork of mbed-src by mbed official

targets/hal/TARGET_RENESAS/TARGET_RZ_A1H/port_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?

UserRevisionLine numberNew 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 "port_api.h"
mbed_official 390:35c2c1cf29cd 17 #include "pinmap.h"
mbed_official 390:35c2c1cf29cd 18 #include "gpio_api.h"
mbed_official 390:35c2c1cf29cd 19
mbed_official 390:35c2c1cf29cd 20 PinName port_pin(PortName port, int pin_n) {
mbed_official 390:35c2c1cf29cd 21 return (PinName)(0);
mbed_official 390:35c2c1cf29cd 22 }
mbed_official 390:35c2c1cf29cd 23
mbed_official 390:35c2c1cf29cd 24 void port_init(port_t *obj, PortName port, int mask, PinDirection dir) {
mbed_official 390:35c2c1cf29cd 25 obj->port = port;
mbed_official 390:35c2c1cf29cd 26 obj->mask = mask;
mbed_official 390:35c2c1cf29cd 27
mbed_official 390:35c2c1cf29cd 28 // Do not use masking, because it prevents the use of the unmasked pins
mbed_official 390:35c2c1cf29cd 29 // port_reg->FIOMASK = ~mask;
mbed_official 390:35c2c1cf29cd 30
mbed_official 390:35c2c1cf29cd 31 uint32_t i;
mbed_official 390:35c2c1cf29cd 32 // The function is set per pin: reuse gpio logic
mbed_official 390:35c2c1cf29cd 33 for (i=0; i<32; i++) {
mbed_official 390:35c2c1cf29cd 34 if (obj->mask & (1<<i)) {
mbed_official 390:35c2c1cf29cd 35 gpio_set(port_pin(obj->port, i));
mbed_official 390:35c2c1cf29cd 36 }
mbed_official 390:35c2c1cf29cd 37 }
mbed_official 390:35c2c1cf29cd 38
mbed_official 390:35c2c1cf29cd 39 port_dir(obj, dir);
mbed_official 390:35c2c1cf29cd 40 }
mbed_official 390:35c2c1cf29cd 41
mbed_official 390:35c2c1cf29cd 42 void port_mode(port_t *obj, PinMode mode) {
mbed_official 390:35c2c1cf29cd 43 uint32_t i;
mbed_official 390:35c2c1cf29cd 44 // The mode is set per pin: reuse pinmap logic
mbed_official 390:35c2c1cf29cd 45 for (i=0; i<32; i++) {
mbed_official 390:35c2c1cf29cd 46 if (obj->mask & (1<<i)) {
mbed_official 390:35c2c1cf29cd 47 pin_mode(port_pin(obj->port, i), mode);
mbed_official 390:35c2c1cf29cd 48 }
mbed_official 390:35c2c1cf29cd 49 }
mbed_official 390:35c2c1cf29cd 50 }
mbed_official 390:35c2c1cf29cd 51
mbed_official 390:35c2c1cf29cd 52 void port_dir(port_t *obj, PinDirection dir) {
mbed_official 390:35c2c1cf29cd 53 switch (dir) {
mbed_official 390:35c2c1cf29cd 54 case PIN_INPUT : *obj->reg_dir &= ~obj->mask; break;
mbed_official 390:35c2c1cf29cd 55 case PIN_OUTPUT: *obj->reg_dir |= obj->mask; break;
mbed_official 390:35c2c1cf29cd 56 }
mbed_official 390:35c2c1cf29cd 57 }
mbed_official 390:35c2c1cf29cd 58
mbed_official 390:35c2c1cf29cd 59 void port_write(port_t *obj, int value) {
mbed_official 390:35c2c1cf29cd 60 *obj->reg_out = (*obj->reg_in & ~obj->mask) | (value & obj->mask);
mbed_official 390:35c2c1cf29cd 61 }
mbed_official 390:35c2c1cf29cd 62
mbed_official 390:35c2c1cf29cd 63 int port_read(port_t *obj) {
mbed_official 390:35c2c1cf29cd 64 return (*obj->reg_in & obj->mask);
mbed_official 390:35c2c1cf29cd 65 }