Solvline Eddy DKV2.1.0.3 - Manual (Page 95)

Chapter 6. Library
Introduction
95
Parameter fd Handle to GPIO device(‚/dev/eddy_gpio‛)
mode Pointer to the buffer that stores ‚mode‛ value for
Port A, B, C.
Bit value 0 means input, 1 means output.
Returns None
Notice Any value is ok for bits that are not set to be used GPIO
GETGPIOMOD_LM
Function Reads Read/Write direction for all Port A, B, C
Format void ioctl(int fd, GETGPIOMOD_LM, int *mode[3]);
Parameter fd Handle to GPIO device(‚/dev/eddy_gpio‛)
mode Pointer to the buffer that will store the ‚mode‛
value of Port A, B, C
Returns None
Notice
SETGPIOVAL_LM
Function Sets output value when Port A, B, C are all in output mode.
Format void ioctl(int fd, SETGPIOVAL_LM, int *value[3]);
Parameter fd Handle to GPIO device(‚/dev/eddy_gpio‛)
mode Pointer to the buffer that stores the ‚value‛ value
of Port A, B, C.
Bit value 0 means Low, 1 means High.
Returns None
Notice Any value is ok for bits that are not set to be used GPIO
GETGPIOVAL_LM
Function Reads Read/Write status value for Port A, B, C
Format void ioctl(int fd, GETGPIOVAL_LM, int *mode[3]);
Parameter fd Handle to GPIO device(‚/dev/eddy_gpio‛)
mode Pointer to the buffer that will store the ‚value‛
value of Port A, B, C
Returns None
Notice
SETGPIOPUL_LM