Mouse code for the MacroRat
mbed-dev/targets/TARGET_NUVOTON/TARGET_M451/port_api.c
- Committer:
- sahilmgandhi
- Date:
- 2017-06-03
- Revision:
- 46:b156ef445742
- Parent:
- 18:6a4db94011d3
File content as of revision 46:b156ef445742:
/* 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_DATA(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_DATA(port_index, i) << i); } } return value; } #endif