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Dependents: FirstTest WaveSim IO-dma-memmem DACDMAfuncgenlib ... more
example1.cpp
- Committer:
- AjK
- Date:
- 2010-11-23
- Revision:
- 0:c409efd8df78
- Child:
- 4:67f327b9278e
File content as of revision 0:c409efd8df78:
#ifdef COMPILE_EXAMPLE_CODE_MODDMA
#include "mbed.h"
#include "MODDMA.h"
#include "MODSERIAL.h"
DigitalOut led1(LED1);
DigitalOut led2(LED2);
DigitalOut led3(LED3);
DigitalOut led4(LED4);
MODDMA dma;
MODSERIAL pc(USBTX, USBRX);
//Serial pc(USBTX, USBRX);
void dmaCallback(void) {
led2 = 1;
}
void C0callback(void) {
MODDMA_Config *config = dma.getConfig();
dma.haltAndWaitChannelComplete( (MODDMA::CHANNELS)config->channelNum());
dma.Disable( (MODDMA::CHANNELS)config->channelNum() );
if (dma.irqType() == MODDMA::TcIrq) {
led3 = 1;
dma.clearTcIrq();
}
if (dma.irqType() == MODDMA::ErrIrq) {
led4 = 1;
dma.clearErrIrq();
}
}
int main() {
char s[] = "**DMA** ABCDEFGHIJKLMNOPQRSTUVWXYZ **DMA**";
pc.baud(115200);
dma.isrIntTCStat.attach(&dmaCallback);
MODDMA_Config *config = new MODDMA_Config;
config
->channelNum ( MODDMA::Channel_0 )
->srcMemAddr ( (uint32_t) &s )
//->dstMemAddr ( 0 )
->transferSize ( sizeof(s) )
->transferType ( MODDMA::m2p )
//->transferWidth ( 0 )
//->srcConn ( 0 )
->dstConn ( MODDMA::UART0_Tx )
//->dmaLLI ( 0 )
;//->isrIntTCStat->attach(&C0callback)
; // config end
dma.Setup(config);
//dma.Enable( MODDMA::Channel_0 );
dma.Enable( config->channelNum() );
pc.printf("123456789\r\n");
pc.printf("\r\nRESERVED9 = %p", &LPC_SC->RESERVED9);
pc.printf("\r\nOther = %p", &LPC_UART0->DMAREQSEL);
while (1) {
led1 = !led1;
wait(0.2);
led1 = !led1;
wait(0.2);
}
}
#endif