bool nordic_pm_is_active(struct device *dev)
{
struct nordic_pm_info *priv = (struct nordic_pm_info*)dev->priv;
bool active = false;
soc_gpio_read(priv->gpio_dev, priv->wakeup_pin, &active);
return active;
}
static DRIVER_API_RC soc_gpio_test_pin(struct device *dev, unsigned int input_pin, unsigned int output_pin)
{
DRIVER_API_RC ret;
bool value;
gpio_cfg_data_t in_pin_cfg;
gpio_cfg_data_t out_pin_cfg;
in_pin_cfg.gpio_type = GPIO_INPUT;
in_pin_cfg.int_type = LEVEL;
in_pin_cfg.int_polarity = ACTIVE_LOW;
in_pin_cfg.int_debounce = DEBOUNCE_OFF;
in_pin_cfg.int_ls_sync = LS_SYNC_OFF;
in_pin_cfg.gpio_cb = NULL;
out_pin_cfg.gpio_type = GPIO_OUTPUT;
out_pin_cfg.int_type = LEVEL;
out_pin_cfg.int_polarity = ACTIVE_LOW;
out_pin_cfg.int_debounce = DEBOUNCE_OFF;
out_pin_cfg.int_ls_sync = LS_SYNC_OFF;
out_pin_cfg.gpio_cb = NULL;
if((ret = soc_gpio_set_config(dev, input_pin, &in_pin_cfg)) != DRV_RC_OK) {
cu_print("Error pin %d config (%d)\n", input_pin, ret);
return ret;
}
if((ret = soc_gpio_set_config(dev, output_pin, &out_pin_cfg)) != DRV_RC_OK) {
cu_print("Error pin %d config (%d)\n", output_pin, ret);
soc_gpio_deconfig(dev, input_pin);
return ret;
}
// Test LOW
if((ret = soc_gpio_write(dev, output_pin, 0)) != DRV_RC_OK) {
cu_print("Error pin %d write 1 (%d)\n", output_pin, ret);
soc_gpio_deconfig(dev, output_pin);
soc_gpio_deconfig(dev, input_pin);
return ret;
}
trans_delay(); // Delay a little bit
if((ret = soc_gpio_read(dev, input_pin, &value)) != DRV_RC_OK) {
cu_print("Error pin %d read 1 (%d)\n", input_pin, ret);
soc_gpio_deconfig(dev, output_pin);
soc_gpio_deconfig(dev, input_pin);
return ret;
}
if(value) {
cu_print("Error pin %d is at 1, 0 expected\n", input_pin);
soc_gpio_deconfig(dev, output_pin);
soc_gpio_deconfig(dev, input_pin);
return DRV_RC_FAIL;
}
// Test HIGH
if((ret = soc_gpio_write(dev, output_pin, 1)) != DRV_RC_OK) {
cu_print("Error pin %d write 2 (%d)\n", output_pin, ret);
soc_gpio_deconfig(dev, output_pin);
soc_gpio_deconfig(dev, input_pin);
return ret;
}
trans_delay(); // Delay a little bit
if((ret = soc_gpio_read(dev, input_pin, &value)) != DRV_RC_OK) {
cu_print("Error pin %d read 2 (%d)\n", input_pin, ret);
soc_gpio_deconfig(dev, output_pin);
soc_gpio_deconfig(dev, input_pin);
return ret;
}
if(!value) {
cu_print("Error pin %d is at 0, 1 expected\n", input_pin);
soc_gpio_deconfig(dev, output_pin);
soc_gpio_deconfig(dev, input_pin);
return DRV_RC_FAIL;
}
soc_gpio_deconfig(dev, output_pin);
soc_gpio_deconfig(dev, input_pin);
return DRV_RC_OK;
}
