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Added serial port bit definitions

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@157 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Linus Nielsen Feltzing 2002-04-20 23:03:48 +00:00
parent d057c07154
commit f3989d3c93
1 changed files with 42 additions and 0 deletions
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42
firmware/sh7034.h
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@ -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