From f3989d3c930a7f233eac5bb3bedc7712c126fa47 Mon Sep 17 00:00:00 2001 From: Linus Nielsen Feltzing Date: Sat, 20 Apr 2002 23:03:48 +0000 Subject: Added serial port bit definitions git-svn-id: svn://svn.rockbox.org/rockbox/trunk@157 a1c6a512-1295-4272-9138-f99709370657 --- firmware/sh7034.h | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) (limited to 'firmware') diff --git a/firmware/sh7034.h b/firmware/sh7034.h index 5fca9f51fd..6d6fb6d714 100644 --- a/firmware/sh7034.h +++ b/firmware/sh7034.h @@ -291,4 +291,46 @@ #define CASCR (*((volatile unsigned char*)CASCR_ADDR)) +/*************************************************************************** + * Register bit definitions + **************************************************************************/ + +/* + * Serial mode register bits + */ + +#define SYNC_MODE 0x80 +#define SEVEN_BIT_DATA 0x40 +#define PARITY_ON 0x20 +#define ODD_PARITY 0x10 +#define STOP_BITS_2 0x08 +#define ENABLE_MULTIP 0x04 +#define PHI_64 0x03 +#define PHI_16 0x02 +#define PHI_4 0x01 + +/* + * Serial control register bits + */ +#define SCI_TIE 0x80 /* Transmit interrupt enable */ +#define SCI_RIE 0x40 /* Receive interrupt enable */ +#define SCI_TE 0x20 /* Transmit enable */ +#define SCI_RE 0x10 /* Receive enable */ +#define SCI_MPIE 0x08 /* Multiprocessor interrupt enable */ +#define SCI_TEIE 0x04 /* Transmit end interrupt enable */ +#define SCI_CKE1 0x02 /* Clock enable 1 */ +#define SCI_CKE0 0x01 /* Clock enable 0 */ + +/* + * Serial status register bits + */ +#define SCI_TDRE 0x80 /* Transmit data register empty */ +#define SCI_RDRF 0x40 /* Receive data register full */ +#define SCI_ORER 0x20 /* Overrun error */ +#define SCI_FER 0x10 /* Framing error */ +#define SCI_PER 0x08 /* Parity error */ +#define SCI_TEND 0x04 /* Transmit end */ +#define SCI_MPB 0x02 /* Multiprocessor bit */ +#define SCI_MPBT 0x01 /* Multiprocessor bit transfer */ + #endif -- cgit v1.2.3