Renesas Single-Chip Microcomputer M38C89T-ADF Manual do Utilizador descarregar pdf (Página 124)

5-8

Rev.1.00 May 22 2012

REJ09B0566

4BUsage Examples

5.4 24BDMA controller

destination_string_1,

strlen(source_string_1),

DMAC0_transfer_end_handler,

);

/* Configure channel 1 */

R_DMAC_Create(

PDL_DMAC_CONSECUTIVE | PDL_DMAC_SOURCE_ADDRESS_PLUS | \

PDL_DMAC_DESTINATION_ADDRESS_PLUS,

source_string_2,

destination_string_2,

strlen(source_string_2),

PDL_NO_FUNC,

);

/* Enable the SW3 interrupt */

R_INTC_CreateExtInterruptAll(

PDL_INTC_IRQ3,

PDL_INTC_FALLING | PDL_INTC_B | PDL_INTC_DMAC_TRIGGER_ENABLE,

PDL_NO_FUNC,

);

/* Enable channel 0 */

R_DMAC_Control(

PDL_DMAC_0,

PDL_DMAC_ENABLE,

PDL_NA,

PDL_NA

);

/* Enable and start channel 1 */

R_DMAC_Control(

PDL_DMAC_1,

PDL_DMAC_ENABLE | PDL_DMAC_START,

PDL_NA,

PDL_NA

);

/* Read the status for channel 0 */

R_DMAC_GetStatus(

&StatusValue,

&SourceAddr,

&DestAddr,

&ByteCount

);

while(1);

}

void DMAC0_transfer_end_handler(void)

{

/* Invert the port pin */

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