Serial I/O Control

Bits for REG_TMxCNT. More...

Modules
	Comm control.
	Communication mode select and general purpose I/O (REG_RCNT).

General SIO bits.
#define	SIO_MODE_8BIT   0x0000
	Normal comm mode, 8-bit.
#define	SIO_MODE_32BIT   0x1000
	Normal comm mode, 32-bit.
#define	SIO_MODE_MULTI   0x2000
	Multi-play comm mode.
#define	SIO_MODE_UART   0x3000
	UART comm mode.
#define	SIO_SI_HIGH   0x0004
	Normal comm mode, 8-bit.
#define	SIO_IRQ   0x4000
	Enable serial irq.
#define	SIO_MODE_MASK   0x3000
	Normal comm mode, 8-bit.
#define	SIO_MODE_SHIFT   12
	Normal comm mode, 8-bit.
#define	SIO_MODE(n)   ((n)<<SIO_MODE_SHIFT)
	Normal comm mode, 8-bit.

Normal mode bits. UNTESTED.
#define	SION_CLK_EXT   0x0000
	Slave unit; use external clock (default).
#define	SION_CLK_INT   0x0001
	Master unit; use internal clock.
#define	SION_256KHZ   0x0000
	256 kHz clockspeed (default).
#define	SION_2MHZ   0x0002
	2 MHz clockspeed.
#define	SION_RECV_HIGH   0x0004
	SI high; opponent ready to receive (R).
#define	SION_SEND_HIGH   0x0008
	SO high; ready to transfer.
#define	SION_ENABLE   0x0080
	Start transfer/transfer enabled.

Multiplayer mode bits. UNTESTED.
#define	SIOM_9600   0x0000
	Baud rate, 9.6 kbps.
#define	SIOM_38400   0x0001
	Baud rate, 38.4 kbps.
#define	SIOM_57600   0x0002
	Baud rate, 57.6 kbps.
#define	SIOM_115200   0x0003
	Baud rate, 115.2 kbps.
#define	SIOM_SI   0x0004
	SI port (R).
#define	SIOM_SLAVE   0x0004
	Not the master (R).
#define	SIOM_SD   0x0008
	SD port (R).
#define	SIOM_CONNECTED   0x0008
	All GBAs connected (R)
#define	SIOM_ERROR   0x0040
	Error in transfer (R).
#define	SIOM_ENABLE   0x0080
	Start transfer/transfer enabled.
#define	SIOM_BAUD_MASK   0x0003
	Baud rate, 9.6 kbps.
#define	SIOM_BAUD_SHIFT   0
	Baud rate, 9.6 kbps.
#define	SIOM_BAUD(n)   ((n)<<SIOM_BAUD_SHIFT)
	Baud rate, 9.6 kbps.
#define	SIOM_ID_MASK   0x0030
	Multi-player ID mask (R)
#define	SIOM_ID_SHIFT   4
	Baud rate, 9.6 kbps.
#define	SIOM_ID(n)   ((n)<<SIOM_ID_SHIFT)
	Baud rate, 9.6 kbps.

UART mode bits. UNTESTED.
#define	SIOU_9600   0x0000
	Baud rate, 9.6 kbps.
#define	SIOU_38400   0x0001
	Baud rate, 38.4 kbps.
#define	SIOU_57600   0x0002
	Baud rate, 57.6 kbps.
#define	SIOU_115200   0x0003
	Baud rate, 115.2 kbps.
#define	SIOU_CTS   0x0004
	CTS enable.
#define	SIOU_PARITY_EVEN   0x0000
	Use even parity.
#define	SIOU_PARITY_ODD   0x0008
	Use odd parity.
#define	SIOU_SEND_FULL   0x0010
	Send data is full (R).
#define	SIOU_RECV_EMPTY   0x0020
	Receive data is empty (R).
#define	SIOU_ERROR   0x0040
	Error in transfer (R).
#define	SIOU_7BIT   0x0000
	Data is 7bits long.
#define	SIOU_8BIT   0x0080
	Data is 8bits long.
#define	SIOU_SEND   0x0100
	Start sending data.
#define	SIOU_RECV   0x0200
	Start receiving data.
#define	SIOU_BAUD_MASK   0x0003
	Baud rate, 9.6 kbps.
#define	SIOU_BAUD_SHIFT   0
	Baud rate, 9.6 kbps.
#define	SIOU_BAUD(n)   ((n)<<SIOU_BAUD_SHIFT)
	Baud rate, 9.6 kbps.

Detailed Description

Bits for REG_TMxCNT.