CODEWITHSUNDEEP
bluetooth-lowenergysleep-modezephyr-rtosnrf52nrf52840
HARSH SHAH
HARSH SHAH

Reputation: 11

nRF52840 DK deep sleep using Zephyr

I used nRF52840 DK module with Zephyr with J-link programmer. The issue is the deep sleep does not work, and also not wake up using GPIO rising edge where interrupt is coming I see on data logger. Also, I see on multimeter the current draw in running/active code is 500 micro Ampere and after execute sys_poweroff(); means in deep sleep is 2550 micro-Ampere.

The code simple snippet is

app main()
{
...
...
gpio_pin_interrupt_configure_dt(&intr_specs, GPIO_INT_EDGE_RISING);
// k_msleep(1000);
pm_device_action_run(cons, PM_DEVICE_ACTION_TURN_OFF);
pm_device_action_run(i2c1_dev, PM_DEVICE_ACTION_TURN_OFF);
pm_device_action_run(uart_dev, PM_DEVICE_ACTION_TURN_OFF);
pm_device_action_run(fs.flash_device, PM_DEVICE_ACTION_TURN_OFF);
// NRF_GPIOTE-\>EVENTS_PORT = 0;
// NRF_POWER-\>SYSTEMOFF = 1;
sys_poweroff();
}

My config in prj.config is shown below

CONFIG_GPIO=y
CONFIG_GPIO_INIT_PRIORITY=60
CONFIG_I2C=y
CONFIG_LOG=y
CONFIG_STDOUT_CONSOLE=y
CONFIG_CRC=y
CONFIG_PM=n
CONFIG_PM_DEVICE=y
CONFIG_POWEROFF=y
CONFIG_CBPRINTF_FP_SUPPORT=y
CONFIG_LOG_DEFAULT_LEVEL=3
CONFIG_SERIAL=y
CONFIG_UART_ASYNC_API=y
CONFIG_UART_0_INTERRUPT_DRIVEN=n
CONFIG_UART_0_ASYNC=y
CONFIG_FLASH=y
CONFIG_NVS=y
CONFIG_LOG_MODE_IMMEDIATE=y
CONFIG_NVS_LOG_LEVEL_DBG=y
CONFIG_REBOOT=y
CONFIG_MPU_ALLOW_FLASH_WRITE=y
CONFIG_BT=y
CONFIG_BT_PERIPHERAL=y
CONFIG_BT_DEVICE_NAME="BT-MT"
CONFIG_BT_DEVICE_APPEARANCE=0
CONFIG_BOOTLOADER_MCUBOOT=y

Upvotes: 1

Views: 164

Answers (1)

Pierre Neumann
Pierre Neumann

Reputation: 70

Take a look at this sample: zephyr/samples/boards/nrf/system_off/src/main.c

In older version of zephyr you had to use:

pm_state_force(0u, &(struct pm_state_info){PM_STATE_SOFT_OFF, 0, 0});

Upvotes: 0

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