avnish aggarwal
/
IO-dma-memmem
http://mbed.org/cookbook/MODDMA
main.cpp
- Committer:
- avnisha
- Date:
- 2013-09-04
- Revision:
- 0:ad229870f727
File content as of revision 0:ad229870f727:
#ifdef OLD #include "mbed.h" DigitalOut myled(LED1); int main() { while(1) { myled = 1; wait(0.2); myled = 0; wait(0.2); } } #endif #include "mbed.h" #include "MODDMA.h" DigitalOut myled(LED1); Serial pc(USBTX, USBRX); MODDMA dma; int main() { pc.baud(115200); pc.printf("Hello World\r\n"); // Create a source buffer we are going to move. char src[] = "TEST TEST TEST"; // Create a buffer for the destination to copy to. char dst[sizeof(src)]; // Create a MODDMA configuration object. MODDMA_Config *config = new MODDMA_Config; // Setup that configuration config ->channelNum ( MODDMA::Channel_0 ) ->srcMemAddr ( (uint32_t) &src ) ->dstMemAddr ( (uint32_t) &dst ) ->transferSize ( sizeof(src) ) ->transferType ( MODDMA::m2m ) ; // config end // Pass the configuration to the controller dma.Setup( config ); // Tell the controller to perform the DMA operation // defined by that configuration. dma.Enable ( config ); wait(1); pc.printf("%s\r\n", dst); while(1) { myled = 1; wait(0.2); myled = 0; wait(0.2); } }