static void closeUart(Portal* p) {
if (p->crumb.flags & CRUMB_ISDIR)
return;
NodeInfo ni;
if (getNodeInfoStaticNS(p, uartSNS, WalkSelf, &ni) == NULL) {
errno = ENODEV;
return;
}
UartFileType t = ni.length; /* overloaded this field for private use */
if (t == UartCtlFile || t == UartDataFile) {
Uart* uart = (Uart*)ni.contents;
disableUart(uart);
}
}
void init() {
//disable watch dog (required in addition to conf bits above)
RCONbits.SWDTEN = 0;
//configure clock
PLLFBD = 150; // m = 217
CLKDIVbits.PLLPRE = 5; // n1 = 10
CLKDIVbits.PLLPOST = 0; //n2 = 2
OSCTUN = 0; // tune FRC
__builtin_write_OSCCONH(1); //init clock switch to internal
__builtin_write_OSCCONL(1); //start clock switch process
while (OSCCONbits.LOCK != 1) {} //wait for clock switching
TRISA = 0b0000000000011100; // 3 and 4 for input buttons
//init ports
TRISB = 0b0001010000010000;
disableUart();
//then handle UART config
initTimer();
}
