(Optional) dev_read
Declaration
int dev_read(int fd, unsigned int buffSize, unsigned char *buff)
Parameter Description
Parameter |
Type |
Description |
|---|---|---|
fd |
int |
Device file descriptor |
buffSize |
unsigned int |
Size of the array cache space |
buff |
unsigned char* |
Cache used to transfer data |
Function Description
A reserved device write and read API for developer use.
Parent topic: API Reference