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Update mcp23s17.c #7

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Update mcp23s17.c #7

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9 changes: 7 additions & 2 deletions src/mcp23s17.c
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Original file line number Diff line number Diff line change
Expand Up @@ -152,9 +152,14 @@ int mcp23s17_enable_interrupts()
write(fd, str_gpio, len);
close(fd);

// I have somme problem with this fonction
//I think thas the folder gpio25 have'nt too motch time to be creat by the raspberry
snprintf(str_filenm, sizeof(str_filenm), "/sys/class/gpio/gpio%d/direction", GPIO_INTERRUPT_PIN);
if ((fd = open(str_filenm, O_WRONLY)) < 0)
return -1;
if ((fd = open(str_filenm, O_WRONLY)) < 0){
usleep (1);
if ((fd = open(str_filenm, O_WRONLY)) < 0)
return -1;
}

write(fd, "in", 3);
close(fd);
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