223 lines
6.6 KiB
C
223 lines
6.6 KiB
C
/*
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* Copyright (c) 2018, George Oikonomou - http://www.spd.gr
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*---------------------------------------------------------------------------*/
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#include "contiki.h"
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#include "dev/gpio-hal.h"
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#include "sys/log.h"
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#include <stdint.h>
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/*---------------------------------------------------------------------------*/
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/* Log configuration */
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#define LOG_MODULE "GPIO arch"
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#define LOG_LEVEL LOG_LEVEL_NONE
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/*---------------------------------------------------------------------------*/
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static gpio_hal_pin_cfg_t pin_cfg[GPIO_HAL_PIN_COUNT];
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static uint8_t pin_state[GPIO_HAL_PIN_COUNT];
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/*---------------------------------------------------------------------------*/
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void
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gpio_hal_arch_init(void)
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{
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/* Do nothing */
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}
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/*---------------------------------------------------------------------------*/
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void
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gpio_hal_arch_interrupt_enable(gpio_hal_pin_t pin)
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{
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if(pin >= GPIO_HAL_PIN_COUNT) {
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LOG_ERR("Pin %u out of bounds\n", pin);
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return;
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}
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LOG_DBG("Pin %u: Enabled interrupt\n", pin);
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}
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/*---------------------------------------------------------------------------*/
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void
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gpio_hal_arch_interrupt_disable(gpio_hal_pin_t pin)
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{
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if(pin >= GPIO_HAL_PIN_COUNT) {
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LOG_ERR("Pin %u out of bounds\n", pin);
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return;
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}
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LOG_DBG("Pin %u: Disabled interrupt\n", pin);
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}
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/*---------------------------------------------------------------------------*/
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void
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gpio_hal_arch_pin_cfg_set(gpio_hal_pin_t pin, gpio_hal_pin_cfg_t cfg)
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{
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if(pin >= GPIO_HAL_PIN_COUNT) {
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LOG_ERR("Pin %u out of bounds\n", pin);
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return;
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}
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pin_cfg[pin] = cfg;
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LOG_DBG("Pin %u: Set config=0x%02x\n", pin, pin_cfg[pin]);
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}
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/*---------------------------------------------------------------------------*/
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gpio_hal_pin_cfg_t
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gpio_hal_arch_pin_cfg_get(gpio_hal_pin_t pin)
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{
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if(pin >= GPIO_HAL_PIN_COUNT) {
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LOG_ERR("Pin %u out of bounds\n", pin);
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return 0;
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}
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LOG_DBG("Pin %u: Config=0x%02x\n", pin, pin_cfg[pin]);
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return pin_cfg[pin];
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}
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/*---------------------------------------------------------------------------*/
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void
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gpio_hal_arch_pin_set_input(gpio_hal_pin_t pin)
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{
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if(pin >= GPIO_HAL_PIN_COUNT) {
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LOG_ERR("Pin %u out of bounds\n", pin);
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return;
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}
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LOG_DBG("Pin %u: Set input\n", pin);
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}
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/*---------------------------------------------------------------------------*/
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void
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gpio_hal_arch_pin_set_output(gpio_hal_pin_t pin)
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{
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if(pin >= GPIO_HAL_PIN_COUNT) {
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LOG_ERR("Pin %u out of bounds\n", pin);
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return;
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}
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LOG_DBG("Pin %u: Set output\n", pin);
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}
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/*---------------------------------------------------------------------------*/
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void
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gpio_hal_arch_set_pin(gpio_hal_pin_t pin)
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{
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if(pin >= GPIO_HAL_PIN_COUNT) {
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LOG_ERR("Pin %u out of bounds\n", pin);
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return;
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}
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pin_state[pin] = 1;
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LOG_DBG("Pin %u: Set\n", pin);
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}
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/*---------------------------------------------------------------------------*/
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void
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gpio_hal_arch_clear_pin(gpio_hal_pin_t pin)
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{
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if(pin >= GPIO_HAL_PIN_COUNT) {
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LOG_ERR("Pin %u out of bounds\n", pin);
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return;
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}
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pin_state[pin] = 0;
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LOG_DBG("Pin %u: Clear\n", pin);
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}
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/*---------------------------------------------------------------------------*/
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uint8_t
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gpio_hal_arch_read_pin(gpio_hal_pin_t pin)
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{
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if(pin >= GPIO_HAL_PIN_COUNT) {
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LOG_ERR("Pin %u out of bounds\n", pin);
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return 0;
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}
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LOG_DBG("Pin %u: Read=%u\n", pin, pin_state[pin]);
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return pin_state[pin];
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}
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/*---------------------------------------------------------------------------*/
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void
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gpio_hal_arch_write_pin(gpio_hal_pin_t pin, uint8_t value)
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{
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if(pin >= GPIO_HAL_PIN_COUNT) {
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LOG_ERR("Pin %u out of bounds\n", pin);
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return;
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}
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pin_state[pin] = value;
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LOG_DBG("Pin %u: Write=%u\n", pin, pin_state[pin]);
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}
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/*---------------------------------------------------------------------------*/
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void
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gpio_hal_arch_set_pins(gpio_hal_pin_mask_t pins)
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{
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gpio_hal_pin_t pin;
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for(pin = 0; pin < GPIO_HAL_PIN_COUNT; pin++) {
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if(pins & (1 << pin)) {
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pin_state[pin] = 1;
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}
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}
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LOG_DBG("Set pins 0x%08" PRIx32 "\n", pins);
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}
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/*---------------------------------------------------------------------------*/
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void
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gpio_hal_arch_clear_pins(gpio_hal_pin_mask_t pins)
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{
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gpio_hal_pin_t pin;
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for(pin = 0; pin < GPIO_HAL_PIN_COUNT; pin++) {
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if(pins & (1 << pin)) {
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pin_state[pin] = 0;
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}
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}
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LOG_DBG("Clear pins 0x%08" PRIx32 "\n", pins);
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}
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/*---------------------------------------------------------------------------*/
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gpio_hal_pin_mask_t
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gpio_hal_arch_read_pins(gpio_hal_pin_mask_t pins)
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{
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gpio_hal_pin_t pin;
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gpio_hal_pin_mask_t state = 0;
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for(pin = 0; pin < GPIO_HAL_PIN_COUNT; pin++) {
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state |= (pin_state[pin] << pin);
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}
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LOG_DBG("Read pins 0x%08" PRIx32 "\n", state);
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return state;
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}
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/*---------------------------------------------------------------------------*/
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void
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gpio_hal_arch_write_pins(gpio_hal_pin_mask_t pins, gpio_hal_pin_mask_t value)
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{
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gpio_hal_pin_t pin;
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for(pin = 0; pin < GPIO_HAL_PIN_COUNT; pin++) {
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if(pins & (1 << pin)) {
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pin_state[pin] = (value & (1 << pin)) == 0 ? 0 : 1;
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}
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}
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LOG_DBG("Write pins 0x%08" PRIx32 "->0x%08" PRIx32 "\n", pins, value);
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}
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/*---------------------------------------------------------------------------*/
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