63 lines
1.4 KiB
C
63 lines
1.4 KiB
C
#include <driver/gpio.h>
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#include "esp_log.h"
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#include "relays.h"
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#include "constants.h"
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static const char *TAG = "relays";
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/**
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* Device relays GPIO ids
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*/
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static int DEVICE_GPIO_IDS[4] = {4, 14, 15, 2};
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int relays_count()
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{
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return sizeof(DEVICE_GPIO_IDS) / sizeof(int);
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}
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void relays_setup()
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{
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int pin_bit_mask = 0;
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for (size_t i = 0; i < relays_count(); i++)
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{
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pin_bit_mask |= 1ULL << DEVICE_GPIO_IDS[i];
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}
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// zero-initialize the config structure.
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gpio_config_t io_conf = {};
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// disable interrupt
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io_conf.intr_type = GPIO_INTR_DISABLE;
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// set as output mode
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io_conf.mode = GPIO_MODE_OUTPUT;
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// bit mask of the pins that you want to set,e.g.GPIO18/19
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io_conf.pin_bit_mask = pin_bit_mask;
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// disable pull-down mode
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io_conf.pull_down_en = 0;
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// disable pull-up mode
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io_conf.pull_up_en = 0;
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// configure GPIO with the given settings
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gpio_config(&io_conf);
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}
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void relays_turn_off_all()
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{
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ESP_LOGI(TAG, "Turning off all relays...");
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for (size_t i = 0; i < relays_count(); i++)
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{
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relays_set(i, false);
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}
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}
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void relays_set(int number, bool is_on)
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{
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size_t gpio_id = DEVICE_GPIO_IDS[number];
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ESP_LOGI(TAG, "Set relay %d (gpio %d) to %s", number, gpio_id, is_on ? "on" : "off");
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int res = gpio_set_level(gpio_id, is_on ? 0 : 1);
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if (res != ESP_OK)
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{
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ESP_LOGE(TAG, "Failed to toggle GPIO %d : %d", gpio_id, res);
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}
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} |