mbed library sources. Supersedes mbed-src.
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Diff: targets/TARGET_NUVOTON/TARGET_NUC472/port_api.c
- Revision:
- 153:9398a535854b
- Parent:
- 152:9a67f0b066fc
diff -r 9a67f0b066fc -r 9398a535854b targets/TARGET_NUVOTON/TARGET_NUC472/port_api.c --- a/targets/TARGET_NUVOTON/TARGET_NUC472/port_api.c Thu Dec 15 11:48:27 2016 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,99 +0,0 @@ -/* mbed Microcontroller Library - * Copyright (c) 2015-2016 Nuvoton - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include "port_api.h" -#include "gpio_api.h" -#include "pinmap.h" -#include "mbed_error.h" - -#if DEVICE_PORTIN || DEVICE_PORTOUT || DEVICE_PORTINOUT - -PinName port_pin(PortName port, int pin_n) -{ - return (PinName) NU_PORT_N_PIN_TO_PINNAME(port, pin_n); -} - -void port_init(port_t *obj, PortName port, int mask, PinDirection dir) -{ - obj->port = port; - obj->mask = mask; - obj->direction = dir; - - uint32_t i; - obj->direction = dir; - for (i = 0; i < GPIO_PIN_MAX; i++) { - if (obj->mask & (1 << i)) { - gpio_set(port_pin(port, i)); - } - } - - port_dir(obj, dir); -} - -void port_dir(port_t *obj, PinDirection dir) -{ - uint32_t i; - obj->direction = dir; - for (i = 0; i < GPIO_PIN_MAX; i++) { - if (obj->mask & (1 << i)) { - if (dir == PIN_OUTPUT) { - GPIO_SetMode(NU_PORT_BASE(obj->port), 1 << i, GPIO_MODE_OUTPUT); - } else { // PIN_INPUT - GPIO_SetMode(NU_PORT_BASE(obj->port), 1 << i, GPIO_MODE_INPUT); - } - } - } -} - -void port_mode(port_t *obj, PinMode mode) -{ - uint32_t i; - - for (i = 0; i < GPIO_PIN_MAX; i++) { - if (obj->mask & (1 << i)) { - pin_mode(port_pin(obj->port, i), mode); - } - } -} - -void port_write(port_t *obj, int value) -{ - uint32_t i; - uint32_t port_index = obj->port; - - for (i = 0; i < GPIO_PIN_MAX; i++) { - if (obj->mask & (1 << i)) { - GPIO_PIN_ADDR(port_index, i) = (value & obj->mask) ? 1 : 0; - } - } -} - -int port_read(port_t *obj) -{ - uint32_t i; - uint32_t port_index = obj->port; - int value = 0; - - for (i = 0; i < GPIO_PIN_MAX; i++) { - if (obj->mask & (1 << i)) { - value = value | (GPIO_PIN_ADDR(port_index, i) << i); - } - } - - return value; -} - -#endif