ESP8266 Community Forum

Posted: **Sun Aug 23, 2015 10:11 am**

thanks for the judgement free answer.

I switched the defines to the original values:

uint32 io_info[][3] = {{PERIPHS_IO_MUX_MTDI_U, FUNC_GPIO12, 12},{PERIPHS_IO_MUX_MTCK_U, FUNC_GPIO13, 13},{PERIPHS_IO_MUX_MTMS_U, FUNC_GPIO14, 14},};

but that unfortunately didn't work... any other suggestions?

Posted: **Sun Aug 23, 2015 10:34 am**

I wasn't meant as a conviction, it was meant as a general hint that may help debugging the code that apparently doesn't work.

Posted: **Sun Aug 23, 2015 10:35 am**

What happens if you set the pin functions explicitly, before you call the pwm setup code (yes, indeed, the code suggests it isn't necessary...)

Posted: **Sun Aug 23, 2015 10:43 am**

Code: Select all

   PIN_FUNC_SELECT(PERIPHS_IO_MUX_MTCK_U, FUNC_GPIO13);
   PIN_FUNC_SELECT(PERIPHS_IO_MUX_MTDI_U, FUNC_GPIO12);
   PIN_FUNC_SELECT(PERIPHS_IO_MUX_MTMS_U, FUNC_GPIO14);

didn't help.

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