Why does the SX1276Reset( ) function change the NRESET pin to input mode when resetting?
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ceriklee commented
Hi. I have a question about the reset code.
void SX1276Reset( void )
{
// Enables the TCXO if available on the board design
SX1276SetBoardTcxo( true );
// Set RESET pin to 0
GpioInit( &SX1276.Reset, RADIO_RESET, PIN_OUTPUT, PIN_PUSH_PULL, PIN_NO_PULL, 0 );
// Wait 1 ms
DelayMs( 1 );
// Configure RESET as input
GpioInit( &SX1276.Reset, RADIO_RESET, PIN_INPUT, PIN_PUSH_PULL, PIN_NO_PULL, 1 );
// Wait 6 ms
DelayMs( 6 );
}
If you look at the // Configure RESET as input code at the end of the reset function, the GPIO is set to input mode through the PIN_INPUT parameter. Isn't the NRESET pin supposed to be set as an output from the MCU's point of view? Is there any special reason to set it to Input mode?
mluis1 commented