sI am trying to turn on or off switch. When I measue voltage on feet of the switch it is always 3.3V. There is no change. I am setting pin on or off and I get state of pin by gpio_pin_get() function.
I can see diffrence between pin and pin_1 but switch doesnt change.
#define SWTCH_NODE DT_ALIAS(swtch0)
#define SWTCH DT_GPIO_LABEL(SWTCH_NODE, gpios)
#define SWTCHPIN DT_GPIO_PIN(SWTCH_NODE, gpios)
#define FLAGS DT_GPIO_FLAGS(SWTCH_NODE, gpios)
static const struct device *dev;
int err;
int ret;
int pin;
int pin_1;
/**
* @brief TIM application task function.
*/
static void Battery(void)
{
uint16_t batData;
uint16_t socData;
uint16_t sohData;
uint16_t avData;
dev = device_get_binding(SWTCH);
ret = gpio_pin_configure(dev, SWTCHPIN, GPIO_OUTPUT| FLAGS);
err=gpio_pin_set(dev, SWTCHPIN, 1);
pin=gpio_pin_get(dev,SWTCHPIN);
LOG_INF("pin::%d",pin);
k_msleep(1000);
err=gpio_pin_set(dev, SWTCHPIN,0);
pin_1=gpio_pin_get(dev,SWTCHPIN);
LOG_INF("pin::%d",pin_1);
k_msleep(1000);
}
OVERLAY FILE
/ {
i2c-switch {
compatible = "gpio-leds";
swtch0: swtch_0 {
gpios = <&gpio0 14 (GPIO_ACTIVE_LOW)>;
label = "I2C switch";
};
};
aliases {
swtch0=&swtch0;
};
};
