ESP8266 Community Forum

- Sat Dec 06, 2014 12:23 pm #4130 Hi,
i need GPIO13 on a ESP-03 module as simple output port, but it doesnt work.
I tried:

Code: Select all//Set GPIO to output mode
  PIN_FUNC_SELECT(PERIPHS_IO_MUX_MTCK_U, FUNC_GPIO13);

  gpio_output_set(0, BIT13, BIT13, 0); //set GPIO low
  os_delay_us(5000);
  gpio_output_set (BIT13, 0, BIT13, 0); // set GPIO high


Any ideas ? Thanks.
Holger

- Sat Dec 06, 2014 1:01 pm #4132 your code is right and propably working normally but you cant see gpio difference because "os_delay_us(5000);" very very little. try this os_delay_us(2*1000*1000)

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- Sat Dec 06, 2014 1:12 pm #4134 Thanks!
Yes right, 5ms is very fast .. it work now. Cool.

Holger