Renesas Asynchronous SH7145F Instrukcja Użytkownika Pobierz pdf (Strona 16)

SH7145 Group

SCI Break Detection

REJ06B0384-0100Z/Rev.1.00 September 2004 Page 16 of 20

/***********************************************************************************************/

/* Main Program */

/***********************************************************************************************/

void main( void )

{

unsigned char i = 0;

init_sci(); /* SCI initialize routine */

i = rcv_sci(i);

while(1);

}

/***********************************************************************************************/

/* Function : init_sci */

/* Operation : Initialize SCI0 */

/* Asynchronous Receive Mode */

/* -data length : 8bit */

/* -stop bit : 1bit */

/* -parity bit : Non-parity bit */

/***********************************************************************************************/

void init_sci(void)

{

unsigned long i;

T_count = 0;

Rd_count = 0;

P_STBY.MSTCR1.BIT.MSTP16 = 0; /* Disable SCI0 standby mode */

P_STBY.MSTCR2.BIT.MSTP12 = 0; /* Disable CMT standby mode */

P_CMT.CMCSR_0.WORD = 0x0041; /* Initialize CMCSR_0 */

// [15-8] = 0

// [7]CMF = 0

// [6]CMIE = 1 CMT0 interrupt enable

// [5-2] = 0

// [1]CKS1 = 0

// [0]CKS0 = 1 count clock = P phi/32

P_CMT.CMCOR_0 = 0x0F42; /* Set CMCOR_0 (5msec) */

P_CMT.CMCNT_0 = 0; /* Initialize CMCNT_0 */

P_INTC.IPRG.BIT.CMT0 = 0xF; /* Set CMT0 interrupt level */

set_imask(0); /* Clear interrupt mask level */

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Renesas Asynchronous SH7145F Instrukcja Użytkownika Strona 16