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Intel386™ EX EMBEDDED MICROPROCESSOR USER’S MANUAL
C-12
#define TMR_GATE_EXTRN 0x2
#define TMR_OUT_ENABLE 0x1
#define TMR_OUT_DISABLE 0
#define TMR_ENABLE 1
#define TMR_DISABLE 0
/* Timer Macros Definitions */
#define DisableTimer() \
_SetEXRegByte( TMRCFG, (_GetEXRegByte(TMRCFG) | 0x80))
#define EnableTimer() \
_SetEXRegByte( TMRCFG, (_GetEXRegByte(TMRCFG) & 0x7f))
/* Timer Function Definitions */
extern int InitTimer (int Unit, WORD Mode, BYTE Inputs, BYTE Output,
WORD InitCount, int Enable);
extern void SetUp_ReadBack (BYTE Timer0, BYTE Timer1, BYTE Timer2,
BYTE GetStatus, BYTE GetCount);
extern WORD CounterLatch(BYTE Timer);
extern WORD ReadCounter(BYTE Timer);
void interrupt far TimerISR(void);
/**************** SSIO configuration defines *****************/
#define SSIO_TUE 0x80 /* Transmit Underflow Error */
#define SSIO_THBE 0x40 /* Transmit Holding Buffer Empty */
#define SSIO_TX_IE 0x20 /* Transmit Interrupt Enable */
#define SSIO_TX_ENAB 0x10 /* Transmitter Enable */
#define SSIO_ROE 0x08 /* Receive Overflow Error */
#define SSIO_RHBF 0x04 /* Receive Holding Buffer Full */
#define SSIO_RX_IE 0x02 /* Receive Interrupt Enable */
#define SSIO_RX_ENAB 0x01 /* Receiver Enable */
#define SSIO_TX_MASTR 0x02 /* Transmit Master Mode */
#define SSIO_RX_MASTR 0x01 /* Receive Master Mode */
#define SSIO_TX_SLAVE 0
#define SSIO_RX_SLAVE 0
#define SSIO_CLK_SERCLK 0x01 /* Baud Rate Clocking Source:
SERCLK = CLK2/4 */
#define SSIO_CLK_PSCLK 0x00 /* Baud Rate Clocking Source:
PSCLK = (CLK2/2) / (CLKPRS+2) */
#define SSIO_BAUD_ENAB 0x80 /* Enable Baud Rate Generator */
/* SSIO Function Definitions */
extern void InitSSIO (BYTE Mode, BYTE MasterTxRx, BYTE BaudValue,