diff options
Diffstat (limited to 'cpu/xscale/serial.c')
| -rw-r--r-- | cpu/xscale/serial.c | 31 |
1 files changed, 27 insertions, 4 deletions
diff --git a/cpu/xscale/serial.c b/cpu/xscale/serial.c index 35302a7..c9d5f70 100644 --- a/cpu/xscale/serial.c +++ b/cpu/xscale/serial.c @@ -67,7 +67,21 @@ void serial_setbrg (void) FFIER = IER_UUE; /* Enable FFUART */ -#elif CONFIG_STUART +#elif defined(CONFIG_BTUART) + CKEN |= CKEN7_BTUART; + + BTIER = 0; + BTFCR = 0; + + /* set baud rate */ + BTLCR = LCR_DLAB; + BTDLL = quot & 0xff; + BTDLH = quot >> 8; + BTLCR = LCR_WLS0 | LCR_WLS1; + + BTIER = IER_UUE; /* Enable BFUART */ + +#elif defined(CONFIG_STUART) #error "Bad: not implemented yet!" #else #error "Bad: you didn't configured serial ..." @@ -98,7 +112,10 @@ void serial_putc (const char c) while ((FFLSR & LSR_TEMT) == 0); FFTHR = c; -#elif CONFIG_STUART +#elif defined(CONFIG_BTUART) + while ((BTLSR & LSR_TEMT ) == 0 ); + BTTHR = c; +#elif defined(CONFIG_STUART) #endif /* If \n, also do \r */ @@ -115,7 +132,9 @@ int serial_tstc (void) { #ifdef CONFIG_FFUART return FFLSR & LSR_DR; -#elif CONFIG_STUART +#elif defined(CONFIG_BTUART) + return BTLSR & LSR_DR; +#elif defined(CONFIG_STUART) #endif } @@ -130,7 +149,11 @@ int serial_getc (void) while (!(FFLSR & LSR_DR)); return (char) FFRBR & 0xff; -#elif CONFIG_STUART +#elif defined(CONFIG_BTUART) + while (!(BTLSR & LSR_DR)); + + return (char) BTRBR & 0xff; +#elif defined(CONFIG_STUART) #endif } |