Commit e756ad6c authored by Jordan Yates's avatar Jordan Yates Committed by Anas Nashif
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lora: sx126x: disable DIO1 in sleep mode 



Disable the DIO1 interrupt when the sx126x modem is in sleep mode.
On nRF hardware, this lets the `GPIOTE` hardware be switched off, saving
15uA.

Fixes #31569.

Signed-off-by: default avatarJordan Yates <jordan.yates@data61.csiro.au>
parent 67765353

drivers/lora/sx126x.c

+9 −3
Original line number Diff line number Diff line
@@ -331,6 +331,11 @@ void SX126xSetOperatingMode(RadioOperatingModes_t mode) 
		sx126x_set_rx_enable(1);

		break;



	case MODE_SLEEP:

		/* Additionally disable the DIO1 interrupt to save power */

		gpio_pin_interrupt_configure(dev_data.dio1, GPIO_DIO1_PIN,

					     GPIO_INT_DISABLE);

		__fallthrough;

	default:

		sx126x_set_rx_enable(0);

		sx126x_set_tx_enable(0);
@@ -406,6 +411,10 @@ void SX126xWakeup(void) 
{

	int ret;



	/* Reenable DIO1 when waking up */

	gpio_pin_interrupt_configure(dev_data.dio1, GPIO_DIO1_PIN,

				     GPIO_INT_EDGE_TO_ACTIVE);



	uint8_t req[] = { RADIO_GET_STATUS, 0 };

	const struct spi_buf tx_buf = {

		.buf = req,
@@ -480,9 +489,6 @@ static int sx126x_lora_init(const struct device *dev) 
		return -EIO;

	}



	gpio_pin_interrupt_configure(dev_data.dio1, GPIO_DIO1_PIN,

				     GPIO_INT_EDGE_TO_ACTIVE);



	dev_data.spi = device_get_binding(DT_INST_BUS_LABEL(0));

	if (!dev_data.spi) {

		LOG_ERR("Cannot get pointer to %s device",

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