Set command

Syntax:

%XGPIOTEST=<direction>,<mask>,<pin_ctrl>

The set command parameters and their defined values are the following:

<direction>

0 – Output

1 – Input

<mask>

Bitmask for pins to control.

1 bit per pin in ascending pin order starting from bit 0.

Control for some pins is possible only in input or output direction. The allowed pin control directions and bit positions are the following:

SIM_INT – Input, LSB

SIM_RST – Output

SIM_CLK – Output

SIM_IO – Input/Output

COEX0 – Input/Output

COEX1 – Output

COEX2 – Input/Output, MSB

<pin_ctrl>

Bits for controlling each masked pin. If <direction> is output, 1 sets the pin high and 0 sets the pin low. If <direction> is input, 1 needs to be set for each pin whose state is read.

Control for some pins is allowed as either input or output. The allowed pin control directions and bit positions are the following:

SIM_INT – Input, LSB

SIM_RST – Output

SIM_CLK – Output

SIM_IO – Input/Output

COEX0 – Input/Output

COEX1 – Output

COEX2 – Input/Output, MSB

The following command example configures all pins as output and sets their state low:

AT%XGPIOTEST=0,127,0
        %XGPIOTEST: 
        OK

The following command example sets all pins as input and reads the pin state of each pin:

AT%XGPIOTEST=1,127,127
        %XGPIOTEST:  0x9
        OK