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105 lines
3.4 KiB
C
105 lines
3.4 KiB
C
/*
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* Copyright (C) 2023-2024 OpenMV, LLC.
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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
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Any redistribution, use, or modification in source or binary form
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* is done solely for personal benefit and not for any commercial
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* purpose or for monetary gain. For commercial licensing options,
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* please contact openmv@openmv.io
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*
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* THIS SOFTWARE IS PROVIDED BY THE LICENSOR AND COPYRIGHT OWNER "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE LICENSOR OR COPYRIGHT
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* OWNER BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* GPIO port for Alif.
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*/
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#include <stdint.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include "py/mphal.h"
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#include "omv_boardconfig.h"
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#include "omv_gpio.h"
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#include "omv_common.h"
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static inline GPIO_Type *omv_gpio_get_base(omv_gpio_t pin) {
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GPIO_Type *gpio = NULL;
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if (pin->port == 15) {
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gpio = (GPIO_Type *) LPGPIO_BASE;
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} else {
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gpio = (GPIO_Type *) (GPIO0_BASE + (pin->port * (GPIO1_BASE - GPIO0_BASE)));
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}
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return gpio;
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}
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void omv_gpio_config(omv_gpio_t pin, uint32_t mode, uint32_t pull, uint32_t speed, uint32_t af) {
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GPIO_Type *gpio = omv_gpio_get_base(pin);
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uint16_t pad_config = (mode | pull | speed | pin->ren) & 0xFF;
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af = (af == -1) ? pin->af : af;
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pinconf_set(pin->port, pin->pin, af, pad_config);
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// If pad was configured for GPIO module, set the pin config.
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switch (mode) {
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case OMV_GPIO_MODE_ALT:
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case OMV_GPIO_MODE_ALT_OD: {
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// No GPIO config.
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break;
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}
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case OMV_GPIO_MODE_INPUT: {
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gpio_set_direction_input(gpio, pin->pin);
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break;
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}
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case OMV_GPIO_MODE_OUTPUT:
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case OMV_GPIO_MODE_OUTPUT_OD: {
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gpio_set_direction_output(gpio, pin->pin);
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break;
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}
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case OMV_GPIO_MODE_IT_FALL: {
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break;
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}
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case OMV_GPIO_MODE_IT_RISE: {
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break;
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}
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case OMV_GPIO_MODE_IT_BOTH: {
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break;
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}
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}
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}
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void omv_gpio_deinit(omv_gpio_t pin) {
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}
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bool omv_gpio_read(omv_gpio_t pin) {
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GPIO_Type *gpio = omv_gpio_get_base(pin);
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return gpio_get_value(gpio, pin->pin);
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}
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void omv_gpio_write(omv_gpio_t pin, bool value) {
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GPIO_Type *gpio = omv_gpio_get_base(pin);
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if (value) {
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gpio_set_value_high(gpio, pin->pin);
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} else{
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gpio_set_value_low(gpio, pin->pin);
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}
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}
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