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