en 129 / mbed-src

[11U68]fix P0_11 to use GPIO

Fork of mbed-src by mbed official

targets/hal/TARGET_NXP/TARGET_LPC2460/port_api.c@554:edd95c0879f8, 2015-06-01 (annotated)

Committer:
mbed_official
Date:
Mon Jun 01 11:00:11 2015 +0100
Revision:
554:edd95c0879f8
Synchronized with git revision 7a1d25e3dfbe5bc1457774d4af3c73383a0ff81d



Full URL: https://github.com/mbedmicro/mbed/commit/7a1d25e3dfbe5bc1457774d4af3c73383a0ff81d/



Silicon Labs - Initial test framework pin definitions for EFM32 platforms

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 554:edd95c0879f8 1 /* mbed Microcontroller Library
mbed_official 554:edd95c0879f8 2 * Copyright (c) 2006-2015 ARM Limited
mbed_official 554:edd95c0879f8 3 *
mbed_official 554:edd95c0879f8 4 * Licensed under the Apache License, Version 2.0 (the "License");
mbed_official 554:edd95c0879f8 5 * you may not use this file except in compliance with the License.
mbed_official 554:edd95c0879f8 6 * You may obtain a copy of the License at
mbed_official 554:edd95c0879f8 7 *
mbed_official 554:edd95c0879f8 8 * http://www.apache.org/licenses/LICENSE-2.0
mbed_official 554:edd95c0879f8 9 *
mbed_official 554:edd95c0879f8 10 * Unless required by applicable law or agreed to in writing, software
mbed_official 554:edd95c0879f8 11 * distributed under the License is distributed on an "AS IS" BASIS,
mbed_official 554:edd95c0879f8 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbed_official 554:edd95c0879f8 13 * See the License for the specific language governing permissions and
mbed_official 554:edd95c0879f8 14 * limitations under the License.
mbed_official 554:edd95c0879f8 15 */
mbed_official 554:edd95c0879f8 16 #include "port_api.h"
mbed_official 554:edd95c0879f8 17 #include "pinmap.h"
mbed_official 554:edd95c0879f8 18 #include "gpio_api.h"
mbed_official 554:edd95c0879f8 19
mbed_official 554:edd95c0879f8 20 PinName port_pin(PortName port, int pin_n) {
mbed_official 554:edd95c0879f8 21 return (PinName)(LPC_GPIO0_BASE + ((port << PORT_SHIFT) | pin_n));
mbed_official 554:edd95c0879f8 22 }
mbed_official 554:edd95c0879f8 23
mbed_official 554:edd95c0879f8 24 void port_init(port_t *obj, PortName port, int mask, PinDirection dir) {
mbed_official 554:edd95c0879f8 25 obj->port = port;
mbed_official 554:edd95c0879f8 26 obj->mask = mask;
mbed_official 554:edd95c0879f8 27
mbed_official 554:edd95c0879f8 28 LPC_GPIO_TypeDef *port_reg = (LPC_GPIO_TypeDef *)(LPC_GPIO0_BASE + ((int)port * 0x20));
mbed_official 554:edd95c0879f8 29
mbed_official 554:edd95c0879f8 30 // Do not use masking, because it prevents the use of the unmasked pins
mbed_official 554:edd95c0879f8 31 // port_reg->FIOMASK = ~mask;
mbed_official 554:edd95c0879f8 32
mbed_official 554:edd95c0879f8 33 obj->reg_out = &port_reg->FIOPIN;
mbed_official 554:edd95c0879f8 34 obj->reg_in = &port_reg->FIOPIN;
mbed_official 554:edd95c0879f8 35 obj->reg_dir = &port_reg->FIODIR;
mbed_official 554:edd95c0879f8 36
mbed_official 554:edd95c0879f8 37 uint32_t i;
mbed_official 554:edd95c0879f8 38 // The function is set per pin: reuse gpio logic
mbed_official 554:edd95c0879f8 39 for (i=0; i<32; i++) {
mbed_official 554:edd95c0879f8 40 if (obj->mask & (1<<i)) {
mbed_official 554:edd95c0879f8 41 gpio_set(port_pin(obj->port, i));
mbed_official 554:edd95c0879f8 42 }
mbed_official 554:edd95c0879f8 43 }
mbed_official 554:edd95c0879f8 44
mbed_official 554:edd95c0879f8 45 port_dir(obj, dir);
mbed_official 554:edd95c0879f8 46 }
mbed_official 554:edd95c0879f8 47
mbed_official 554:edd95c0879f8 48 void port_mode(port_t *obj, PinMode mode) {
mbed_official 554:edd95c0879f8 49 uint32_t i;
mbed_official 554:edd95c0879f8 50 // The mode is set per pin: reuse pinmap logic
mbed_official 554:edd95c0879f8 51 for (i=0; i<32; i++) {
mbed_official 554:edd95c0879f8 52 if (obj->mask & (1<<i)) {
mbed_official 554:edd95c0879f8 53 pin_mode(port_pin(obj->port, i), mode);
mbed_official 554:edd95c0879f8 54 }
mbed_official 554:edd95c0879f8 55 }
mbed_official 554:edd95c0879f8 56 }
mbed_official 554:edd95c0879f8 57
mbed_official 554:edd95c0879f8 58 void port_dir(port_t *obj, PinDirection dir) {
mbed_official 554:edd95c0879f8 59 switch (dir) {
mbed_official 554:edd95c0879f8 60 case PIN_INPUT : *obj->reg_dir &= ~obj->mask; break;
mbed_official 554:edd95c0879f8 61 case PIN_OUTPUT: *obj->reg_dir |= obj->mask; break;
mbed_official 554:edd95c0879f8 62 }
mbed_official 554:edd95c0879f8 63 }
mbed_official 554:edd95c0879f8 64
mbed_official 554:edd95c0879f8 65 void port_write(port_t *obj, int value) {
mbed_official 554:edd95c0879f8 66 *obj->reg_out = (*obj->reg_in & ~obj->mask) | (value & obj->mask);
mbed_official 554:edd95c0879f8 67 }
mbed_official 554:edd95c0879f8 68
mbed_official 554:edd95c0879f8 69 int port_read(port_t *obj) {
mbed_official 554:edd95c0879f8 70 return (*obj->reg_in & obj->mask);
mbed_official 554:edd95c0879f8 71 }