nrf_gpio_port_read

[c cook]

I'm using SD 110 and the PCA10001 board.

I make the call to:nrf_gpio_port_read(LED_1), where LED_1 is on, or high. This call always returns a 0. How can I read the state of this GPIO pin? Why am I getting a 0 for the return, when the pin is obviously high?

I get the same return value of 0, if the LED is off.

Here's My Code:

#define LED_1          	 19
nrf_gpio_cfg_output(LED_1);
LED_State = nrf_gpio_pin_read(LED_1);

[Stefan Birnir Sverrisson]

Hi

I think the nrf_gpio_port_read is reading a whole port. Port 0 are pins 0-7, port 1 are pins 8-15, port 2 are pins 16-23, and port 4 are pins 24-31. What you mean to use is perhaps the nrf_gpio_pin_read function, am I correct?

You can see the nrf_gpio_pin_read function used in e.g. this example.

[annapalu]

hi,

the link is not available. can you post again? I have the same problem, maybe the nrf_gpio_pin_read can be used only for input gpio?

thanks, Anna