@@ -16,64 +16,65 @@
I'm still working on these...
*******************************************************************************/
# define SCI_IOCTL_PARITY_NONE 0x00 // no parity bit after the data bits
# define SCI_IOCTL_PARITY_ODD 0x01 // parity bit added after data bits
# define SCI_IOCTL_PARITY_EVEN 0x02 // parity bit added after data bits
# define SCI_IOCTL_PARITY_MARK 0x03 // parity bit is lo, -12 volts, logical 1
# define SCI_IOCTL_PARITY_SPACE 0x04 // parity bit is hi, +12 volts, logical 0
# define SCI_IOCTL_PARITY_FORCED_ON 0x03 // parity bit is forced hi or lo
# define SCI_IOCTL_PARITY_FORCED_OFF 0x04 // parity bit is forced hi or lo
# define SCI_IOCTL_PARITY_NONE 0x00 /* no parity bit after the data bits */
# define SCI_IOCTL_PARITY_ODD 0x01 /* parity bit added after data bits */
# define SCI_IOCTL_PARITY_EVEN 0x02 /* parity bit added after data bits */
# define SCI_IOCTL_PARITY_MARK 0x03 /* parity bit is lo, -12 volts, logical 1 */
# define SCI_IOCTL_PARITY_SPACE 0x04 /* parity bit is hi, +12 volts, logical 0 */
# define SCI_IOCTL_PARITY_FORCED_ON 0x03 /* parity bit is forced hi or lo */
# define SCI_IOCTL_PARITY_FORCED_OFF 0x04 /* parity bit is forced hi or lo */
# define SCI_IOCTL_BAUD_RATE 0x20 // set the baud rate, arg is baud
# define SCI_IOCTL_BAUD_RATE 0x20 /* set the baud rate, arg is baud */
# define SCI_IOCTL_DATA_BITS 0x30 // set the data bits, arg is # bits
# define SCI_IOCTL_DATA_BITS 0x30 /* set the data bits, arg is # bits */
# define SCI_IOCTL_STOP_BITS_1 0x40 // 1 stop bit after char frame
# define SCI_IOCTL_STOP_BITS_2 0x41 // 2 stop bit after char frame
# define SCI_IOCTL_STOP_BITS_1 0x40 /* 1 stop bit after char frame */
# define SCI_IOCTL_STOP_BITS_2 0x41 /* 2 stop bit after char frame */
# define SCI_IOCTL_MODE_NORMAL 0x50 // normal operating mode
# define SCI_IOCTL_MODE_LOOP 0x51 // internal loopback mode
# define SCI_IOCTL_MODE_NORMAL 0x50 /* normal operating mode */
# define SCI_IOCTL_MODE_LOOP 0x51 /* internal loopback mode */
# define SCI_IOCTL_FLOW_NONE 0x60 // no flow control
# define SCI_IOCTL_FLOW_RTS_CTS 0x61 // hardware flow control
# define SCI_IOCTL_FLOW_NONE 0x60 /* no flow control */
# define SCI_IOCTL_FLOW_RTS_CTS 0x61 /* hardware flow control */
# define SCI_IOCTL_SEND_BREAK 0x70 // send an rs-232 break
# define SCI_IOCTL_SEND_BREAK 0x70 /* send an rs-232 break */
# define SCI_IOCTL_MODE_1200 0x80 // 1200,n,8,1 download mode
# define SCI_IOCTL_MODE_9600 0x81 // 9600,n,8,1 download mode
# define SCI_IOCTL_MODE_9_BIT 0x82 // 9600,forced,8,1 command mode
# define SCI_IOCTL_MODE_1200 0x80 /* 1200,n,8,1 download mode */
# define SCI_IOCTL_MODE_9600 0x81 /* 9600,n,8,1 download mode */
# define SCI_IOCTL_MODE_9_BIT 0x82 /* 9600,forced,8,1 command mode */
/*******************************************************************************
SCI Registers
*******************************************************************************/
// SCI Control Register 0 (SCCR0) $FFFC08
/* SCI Control Register 0 (SCCR0) $FFFC08
// 8 4 2 1 - 8 4 2 1 - 8 4 2 1 - 8 4 2 1
// ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^
// | | | | | | | | | | | | | | | |
// | | | | | | | | | | | | | | | +----- 0 baud rate divisor
// | | | | | | | | | | | | | | +------- 1 baud rate divisor
// | | | | | | | | | | | | | +--------- 2 baud rate divisor
// | | | | | | | | | | | | +----------- 3 baud rate divisor
// | | | | | | | | | | | |
// | | | | | | | | | | | +--------------- 4 baud rate divisor
// | | | | | | | | | | +----------------- 5 baud rate divisor
// | | | | | | | | | +------------------- 6 baud rate divisor
// | | | | | | | | +--------------------- 7 baud rate divisor
// | | | | | | | |
// | | | | | | | +------------------------- 8 baud rate divisor
// | | | | | | +--------------------------- 9 baud rate divisor
// | | | | | +----------------------------- 10 baud rate divisor
// | | | | +------------------------------- 11 baud rate divisor
// | | | |
// | | | +----------------------------------- 12 baud rate divisor
// | | +------------------------------------- 13 unused
// | +--------------------------------------- 14 unused
// +----------------------------------------- 15 unused
8 4 2 1 - 8 4 2 1 - 8 4 2 1 - 8 4 2 1
^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^
| | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | +----- 0 baud rate divisor
| | | | | | | | | | | | | | +------- 1 baud rate divisor
| | | | | | | | | | | | | +--------- 2 baud rate divisor
| | | | | | | | | | | | +----------- 3 baud rate divisor
| | | | | | | | | | | |
| | | | | | | | | | | +--------------- 4 baud rate divisor
| | | | | | | | | | +----------------- 5 baud rate divisor
| | | | | | | | | +------------------- 6 baud rate divisor
| | | | | | | | +--------------------- 7 baud rate divisor
| | | | | | | |
| | | | | | | +------------------------- 8 baud rate divisor
| | | | | | +--------------------------- 9 baud rate divisor
| | | | | +----------------------------- 10 baud rate divisor
| | | | +------------------------------- 11 baud rate divisor
| | | |
| | | +----------------------------------- 12 baud rate divisor
| | +------------------------------------- 13 unused
| +--------------------------------------- 14 unused
+----------------------------------------- 15 unused
// 0 0 0 0 - 0 0 0 0 - 0 0 0 0 - 0 1 0 0 reset value - (64k baud?)
0 0 0 0 - 0 0 0 0 - 0 0 0 0 - 0 1 0 0 reset value - (64k baud?)
*/
# define SCI_BAUD_57_6K 9
# define SCI_BAUD_38_4K 14
@@ -84,115 +85,117 @@
# define SCI_BAUD_1200 437
// SCI Control Register 1 (SCCR1) $FFFC0A
/* SCI Control Register 1 (SCCR1) $FFFC0A
// 8 4 2 1 - 8 4 2 1 - 8 4 2 1 - 8 4 2 1
// ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^
// | | | | | | | | | | | | | | | |
// | | | | | | | | | | | | | | | +----- 0 send a break
// | | | | | | | | | | | | | | +------- 1 rcvr wakeup mode
// | | | | | | | | | | | | | +--------- 2 rcvr enable
// | | | | | | | | | | | | +----------- 3 xmtr enable
// | | | | | | | | | | | |
// | | | | | | | | | | | +--------------- 4 idle line intr enable
// | | | | | | | | | | +----------------- 5 rcvr intr enable
// | | | | | | | | | +------------------- 6 xmit complete intr enable
// | | | | | | | | +--------------------- 7 xmtr intr enable
// | | | | | | | |
// | | | | | | | +------------------------- 8 wakeup on address mark
// | | | | | | +--------------------------- 9 mode 1=9 bits, 0=8 bits
// | | | | | +----------------------------- 10 parity enable 1=on, 0=off
// | | | | +------------------------------- 11 parity type 1=odd, 0=even
// | | | |
// | | | +----------------------------------- 12 idle line select
// | | +------------------------------------- 13 wired-or mode
// | +--------------------------------------- 14 loop mode
// +----------------------------------------- 15 unused
8 4 2 1 - 8 4 2 1 - 8 4 2 1 - 8 4 2 1
^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^
| | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | +----- 0 send a break
| | | | | | | | | | | | | | +------- 1 rcvr wakeup mode
| | | | | | | | | | | | | +--------- 2 rcvr enable
| | | | | | | | | | | | +----------- 3 xmtr enable
| | | | | | | | | | | |
| | | | | | | | | | | +--------------- 4 idle line intr enable
| | | | | | | | | | +----------------- 5 rcvr intr enable
| | | | | | | | | +------------------- 6 xmit complete intr enable
| | | | | | | | +--------------------- 7 xmtr intr enable
| | | | | | | |
| | | | | | | +------------------------- 8 wakeup on address mark
| | | | | | +--------------------------- 9 mode 1=9 bits, 0=8 bits
| | | | | +----------------------------- 10 parity enable 1=on, 0=off
| | | | +------------------------------- 11 parity type 1=odd, 0=even
| | | |
| | | +----------------------------------- 12 idle line select
| | +------------------------------------- 13 wired-or mode
| +--------------------------------------- 14 loop mode
+----------------------------------------- 15 unused
0 0 0 0 - 0 0 0 0 - 0 0 0 0 - 0 0 0 0 reset value
*/
// 0 0 0 0 - 0 0 0 0 - 0 0 0 0 - 0 0 0 0 reset value
# define SCI_SEND_BREAK 0x0001 /* 0000-0000-0000-0001 */
# define SCI_RCVR_WAKEUP 0x0002 /* 0000-0000-0000-0010 */
# define SCI_ENABLE_RCVR 0x0004 /* 0000-0000-0000-0100 */
# define SCI_ENABLE_XMTR 0x0008 /* 0000-0000-0000-1000 */
# define SCI_SEND_BREAK 0x0001 // 0000-0000-0000-0001
# define SCI_RCVR_WAKEUP 0x0002 // 0000-0000-0000-0010
# define SCI_ENABLE_RCVR 0x0004 // 0000-0000-0000-0100
# define SCI_ENABLE_XMTR 0x0008 // 0000-0000-0000-1000
# define SCI_DISABLE_RCVR 0xFFFB /* 1111-1111-1111-1011 */
# define SCI_DISABLE_XMTR 0xFFF7 /* 1111-1111-1111-0111 */
# define SCI_DIS ABLE_RCVR 0xFFFB // 1111-1111-1111-1011
# define SCI_DIS ABLE_XMTR 0xFFF7 // 1111-1111-1111-0111
# define SCI_EN ABLE_INT_IDLE 0x0010 /* 0000-0000-0001-0000 */
# define SCI_EN ABLE_INT_RX 0x0020 /* 0000-0000-0010-0000 */
# define SCI_ENABLE_INT_TX_DONE 0x0040 /* 0000-0000-0100-0000 */
# define SCI_ENABLE_INT_TX 0x0080 /* 0000-0000-1000-0000 */
# define SCI_EN ABLE_INT_IDLE 0x001 0 // 0000-0000-0001-0000
# define SCI_ENABLE_INT_RX 0x0020 // 0000-0000-0010-0000
# define SCI_ENABLE_INT_TX_DONE 0x0040 // 0000-0000-0100-0000
# define SCI_ENABLE_INT_TX 0x0080 // 0000-0000-1000-0000
# define SCI_DIS ABLE_INT_ALL 0xFF0 0 /* 1111-1111-0000-0000 ??? */
# define SCI_DISABLE_INT_ALL 0xFF00 // 1111-1111-0000-0000 ???
# define SCI_DISABLE_INT_RX 0xFFDF /* 1111-1111-1101-1111 */
# define SCI_CLEAR_RX_INT 0xFFBF /* 1111-1111-1011-1111 */
# define SCI_DISABLE_INT_TX 0xFF7F /* 1111-1111-0111-1111 */
# define SCI_CLEAR_TDRE 0xFEFF /* 1111-1110-1111-1111 */
# define SCI_DISABLE_INT_RX 0xFFDF // 1111-1111-1101-1111
# define SCI_CLEAR_RX_INT 0xFFBF // 1111-1111-1011-1111
# define SCI_DISABLE_INT_TX 0xFF7F // 1111-1111-0111-1111
# define SCI_CLEAR_TDRE 0xFEFF // 1111-1110-1111-1111
# define SCI_RCVR_WAKE_ON_MARK 0x0100 /* 0000-0001-0000-0000 */
# define SCI_9_DATA_BITS 0x0200 /* 0000-0010-0000-0000 */
# define SCI_PARITY_ENABLE 0x0400 /* 0000-0100-0000-0000 */
# define SCI_PARITY_ODD 0x0800 /* 0000-1000-0000-0000 */
# define SCI_RCVR_WAKE_ON_MARK 0x0100 // 0000-0001-0000-0000
# define SCI_9 _DATA_BITS 0x0200 // 0000-0010-0000-0000
# define SCI_PARITY_EN ABLE 0x0400 // 0000-0100-0000-0000
# define SCI_PARITY_ODD 0x0800 // 0000-1000-0000-0000
# define SCI_RCVR_WAKE_ON_IDLE 0xFEFF /* 1111-1110-1111-1111 */
# define SCI_8 _DATA_BITS 0xFDFF /* 1111-1101-1111-1111 */
# define SCI_PARITY_DIS ABLE 0xFBFF /* 1111-1011-1111-1111 */
# define SCI_PARITY_EVEN 0xF7FF /* 1111-0111-1111-1111 */
# define SCI_RCVR_WAKE_ON_IDLE 0xFE FF // 1111-1110 -1111-1111
# define SCI_8_DATA_BITS 0xFDFF // 1111-1101-1111-1111
# define SCI_PARITY_DISABLE 0xFBFF // 1111-1011-1111-1111
# define SCI_PARITY_EVEN 0xF7FF // 1111-0111-1111-1111
# define SCI_PARITY_NONE 0xF3 FF /* 1111-00 11-1111-1111 */
# define SCI_PARITY_NONE 0xF3FF // 1111-0011-1111-1111
# define SCI_IDLE_LINE_LONG 0x1 000 // 0001 -0000-0000-0000
# define SCI_TXD_OPEN_DRAIN 0x2 000 // 001 0-0000-0000-0000
# define SCI_LOOPBACK_MODE 0x4000 // 0100-0000-0000-0000
# define SCI_SCCR1_UNUSED 0x8000 // 1000-0000-0000-0000
# define SCI_IDLE_LINE_LONG 0x1000 /* 0001-0000-0000-0000 */
# define SCI_TXD_OPEN_DRAIN 0x2000 /* 0010-0000-0000-0000 */
# define SCI_LOOPBACK_MODE 0x4 000 /* 01 00-0000-0000-0000 */
# define SCI_SCCR1_UNUSED 0x8 000 /* 1 000-0000-0000-0000 */
// SCI Status Register (SCSR) $FFFC0C
/* SCI Status Register (SCSR) $FFFC0C
// 8 4 2 1 - 8 4 2 1 - 8 4 2 1 - 8 4 2 1
// ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^
// | | | | | | | | | | | | | | | |
// | | | | | | | | | | | | | | | +----- 0 PF - parity error
// | | | | | | | | | | | | | | +------- 1 FE - framing error
// | | | | | | | | | | | | | +--------- 2 NF - noise flag
// | | | | | | | | | | | | +----------- 3 OR - overrun flag
// | | | | | | | | | | | |
// | | | | | | | | | | | +--------------- 4 IDLE - idle line detected
// | | | | | | | | | | +----------------- 5 RAF - rcvr active flag
// | | | | | | | | | +------------------- 6 RDRF - rcv data reg full
// | | | | | | | | +--------------------- 7 TC - xmt complete flag
// | | | | | | | |
// | | | | | | | +------------------------- 8 TDRE - xmt data reg empty
// | | | | | | +--------------------------- 9 always zero
// | | | | | +----------------------------- 10 always zero
// | | | | +------------------------------- 11 always zero
// | | | |
// | | | +----------------------------------- 12 always zero
// | | +------------------------------------- 13 always zero
// | +--------------------------------------- 14 always zero
// +----------------------------------------- 15 always zero
8 4 2 1 - 8 4 2 1 - 8 4 2 1 - 8 4 2 1
^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^
| | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | +----- 0 PF - parity error
| | | | | | | | | | | | | | +------- 1 FE - framing error
| | | | | | | | | | | | | +--------- 2 NF - noise flag
| | | | | | | | | | | | +----------- 3 OR - overrun flag
| | | | | | | | | | | |
| | | | | | | | | | | +--------------- 4 IDLE - idle line detected
| | | | | | | | | | +----------------- 5 RAF - rcvr active flag
| | | | | | | | | +------------------- 6 RDRF - rcv data reg full
| | | | | | | | +--------------------- 7 TC - xmt complete flag
| | | | | | | |
| | | | | | | +------------------------- 8 TDRE - xmt data reg empty
| | | | | | +--------------------------- 9 always zero
| | | | | +----------------------------- 10 always zero
| | | | +------------------------------- 11 always zero
| | | |
| | | +----------------------------------- 12 always zero
| | +------------------------------------- 13 always zero
| +--------------------------------------- 14 always zero
+----------------------------------------- 15 always zero
0 0 0 0 - 0 0 0 1 - 1 0 0 0 - 0 0 0 0 reset value
*/
// 0 0 0 0 - 0 0 0 1 - 1 0 0 0 - 0 0 0 0 reset value
# define SCI_ERROR_PARITY 0x0001 /* 0000-0000-0000-0001 */
# define SCI_ERROR_FRAMING 0x0002 /* 0000-0000-0000-0010 */
# define SCI_ERROR_NOISE 0x0004 /* 0000-0000-0000-0100 */
# define SCI_ERROR_OVERRUN 0x0008 /* 0000-0000-0000-1000 */
# define SCI_ERROR_PARITY 0x000 1 // 0000-0000-0000 -0001
# define SCI_ERROR_FRAMING 0x000 2 // 0000-0000-000 0-001 0
# define SCI_ERROR_NOISE 0x000 4 // 0000-0000-0000-0100
# define SCI_ERROR_OVERRUN 0x000 8 // 0000-0000-0 000-1 000
# define SCI_IDLE_LINE 0x0010 /* 0000-0000-0001 -0000 */
# define SCI_RCVR_ACTIVE 0x0020 /* 0000-0000-001 0-0000 */
# define SCI_RCVR_READY 0x0040 /* 0000-0000-01 00-0000 */
# define SCI_XMTR_IDLE 0x0080 /* 0000-0000-1 000-0 000 */
# define SCI_IDLE_LINE 0x0010 // 0000-0000-0001-0000
# define SCI_RCVR_ACTIVE 0x0020 // 0000-0000-0010-0000
# define SCI_RCVR_READY 0x0040 // 0000-0000-0100-0000
# define SCI_XMTR_IDLE 0x0080 // 0000-0000-1000-0000
# define SCI_CLEAR_RX_INT 0xFFBF /* 1111-1111-1011-1111 */
# define SCI_CLEAR_RX_INT 0xFFBF // 1111-1111-1011-1111
# define SCI_XMTR_READY 0x0100 /* 0000-0001-0000-0000 */
# define SCI_XMTR_READY 0x0100 // 0000-0001-0000-0000
# define SCI_CLEAR_TDRE 0xFEFF /* 1111-1110-1111-1111 */
# define SCI_CLEAR_TDRE 0xFEFF // 1111-1110-1111-1111
# define SCI_XMTR_AVAILABLE 0x0180 // 0000-0001-1000-0000
# define SCI_XMTR_AVAILABLE 0x0180 /* 0000-0001-1000-0000 */
@@ -204,28 +207,28 @@
extern " C " {
# endif
// look at console_open to see how this is called
/* look at console_open to see how this is called */
const rtems_termios_callbacks * SciGetTermiosHandlers ( int32_t polled ) ;
/* SCI interrupt */
// rtems_isr SciIsr( rtems_vector_number vector );
/* rtems_isr SciIsr( rtems_vector_number vector ); */
// int32_t SciOpenPolled ( int32_t major, int32_t minor, void *arg );
// int32_t SciOpenInterrupt ( int32_t major, int32_t minor, void *arg );
/* int32_t SciOpenPolled ( int32_t major, int32_t minor, void *arg ); */
/* int32_t SciOpenInterrupt ( int32_t major, int32_t minor, void *arg ); */
// int32_t SciClose ( int32_t major, int32_t minor, void *arg );
/* int32_t SciClose ( int32_t major, int32_t minor, void *arg ); */
// int32_t SciWritePolled ( int32_t minor, const char *buf, int32_t len );
// int32_t SciWriteInterrupt( int32_t minor, const char *buf, int32_t len );
/* int32_t SciWritePolled ( int32_t minor, const char *buf, int32_t len ); */
/* int32_t SciWriteInterrupt( int32_t minor, const char *buf, int32_t len ); */
// int32_t SciReadPolled ( int32_t minor );
/* int32_t SciReadPolled ( int32_t minor ); */
// int32_t SciSetAttributes ( int32_t minor, const struct termios *t );
/* int32_t SciSetAttributes ( int32_t minor, const struct termios *t ); */
# ifdef __cplusplus
}
# endif
# endif // _sci_h_
# endif /* _sci_h_ */