af722062c1
The sensor uses the ALERT terminology (pin can be configured to trigger on certain events such as conversion ready or overvoltage alerts). The "IRQ" name is not clear. Signed-off-by: Gerard Marull-Paretas <gerard.marull@nordicsemi.no>
51 lines
1.1 KiB
C
51 lines
1.1 KiB
C
/*
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* Copyright 2022 Grinn
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include "ina23x_trigger.h"
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#include <zephyr/logging/log.h>
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LOG_MODULE_REGISTER(INA23X_TRIGGER, CONFIG_SENSOR_LOG_LEVEL);
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static void ina23x_gpio_callback(const struct device *port,
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struct gpio_callback *cb, uint32_t pin)
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{
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ARG_UNUSED(pin);
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struct ina23x_trigger *trigg = CONTAINER_OF(cb, struct ina23x_trigger, gpio_cb);
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k_work_submit(&trigg->conversion_work);
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}
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int ina23x_trigger_mode_init(struct ina23x_trigger *trigg, const struct gpio_dt_spec *alert_gpio)
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{
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int ret;
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if (!device_is_ready(alert_gpio->port)) {
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LOG_ERR("Alert GPIO device not ready");
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return -ENODEV;
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}
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ret = gpio_pin_configure_dt(alert_gpio, GPIO_INPUT);
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if (ret < 0) {
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LOG_ERR("Could not configure gpio");
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return ret;
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}
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gpio_init_callback(&trigg->gpio_cb,
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ina23x_gpio_callback,
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BIT(alert_gpio->pin));
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ret = gpio_add_callback(alert_gpio->port, &trigg->gpio_cb);
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if (ret < 0) {
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LOG_ERR("Could not set gpio callback");
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return ret;
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}
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return gpio_pin_interrupt_configure_dt(alert_gpio,
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GPIO_INT_EDGE_FALLING);
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}
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