avnish aggarwal / Mbed 2 deprecated IO-dma-memmem

http://mbed.org/cookbook/MODDMA

Dependencies:   MODDMA mbed

main.cpp@0:ad229870f727, 2013-09-04 (annotated)

Committer:
avnisha
Date:
Wed Sep 04 19:44:37 2013 +0000
Revision:
0:ad229870f727
ok

Who changed what in which revision?

UserRevisionLine numberNew contents of line
avnisha 0:ad229870f727 1 #ifdef OLD
avnisha 0:ad229870f727 2 #include "mbed.h"
avnisha 0:ad229870f727 3
avnisha 0:ad229870f727 4 DigitalOut myled(LED1);
avnisha 0:ad229870f727 5
avnisha 0:ad229870f727 6 int main() {
avnisha 0:ad229870f727 7 while(1) {
avnisha 0:ad229870f727 8 myled = 1;
avnisha 0:ad229870f727 9 wait(0.2);
avnisha 0:ad229870f727 10 myled = 0;
avnisha 0:ad229870f727 11 wait(0.2);
avnisha 0:ad229870f727 12 }
avnisha 0:ad229870f727 13 }
avnisha 0:ad229870f727 14 #endif
avnisha 0:ad229870f727 15
avnisha 0:ad229870f727 16 #include "mbed.h"
avnisha 0:ad229870f727 17 #include "MODDMA.h"
avnisha 0:ad229870f727 18
avnisha 0:ad229870f727 19 DigitalOut myled(LED1);
avnisha 0:ad229870f727 20 Serial pc(USBTX, USBRX);
avnisha 0:ad229870f727 21 MODDMA dma;
avnisha 0:ad229870f727 22
avnisha 0:ad229870f727 23 int main() {
avnisha 0:ad229870f727 24 pc.baud(115200);
avnisha 0:ad229870f727 25 pc.printf("Hello World\r\n");
avnisha 0:ad229870f727 26
avnisha 0:ad229870f727 27 // Create a source buffer we are going to move.
avnisha 0:ad229870f727 28 char src[] = "TEST TEST TEST";
avnisha 0:ad229870f727 29
avnisha 0:ad229870f727 30 // Create a buffer for the destination to copy to.
avnisha 0:ad229870f727 31 char dst[sizeof(src)];
avnisha 0:ad229870f727 32
avnisha 0:ad229870f727 33 // Create a MODDMA configuration object.
avnisha 0:ad229870f727 34 MODDMA_Config *config = new MODDMA_Config;
avnisha 0:ad229870f727 35
avnisha 0:ad229870f727 36 // Setup that configuration
avnisha 0:ad229870f727 37 config
avnisha 0:ad229870f727 38 ->channelNum ( MODDMA::Channel_0 )
avnisha 0:ad229870f727 39 ->srcMemAddr ( (uint32_t) &src )
avnisha 0:ad229870f727 40 ->dstMemAddr ( (uint32_t) &dst )
avnisha 0:ad229870f727 41 ->transferSize ( sizeof(src) )
avnisha 0:ad229870f727 42 ->transferType ( MODDMA::m2m )
avnisha 0:ad229870f727 43 ; // config end
avnisha 0:ad229870f727 44
avnisha 0:ad229870f727 45 // Pass the configuration to the controller
avnisha 0:ad229870f727 46 dma.Setup( config );
avnisha 0:ad229870f727 47
avnisha 0:ad229870f727 48 // Tell the controller to perform the DMA operation
avnisha 0:ad229870f727 49 // defined by that configuration.
avnisha 0:ad229870f727 50 dma.Enable ( config );
avnisha 0:ad229870f727 51
avnisha 0:ad229870f727 52 wait(1);
avnisha 0:ad229870f727 53
avnisha 0:ad229870f727 54 pc.printf("%s\r\n", dst);
avnisha 0:ad229870f727 55
avnisha 0:ad229870f727 56 while(1) {
avnisha 0:ad229870f727 57 myled = 1;
avnisha 0:ad229870f727 58 wait(0.2);
avnisha 0:ad229870f727 59 myled = 0;
avnisha 0:ad229870f727 60 wait(0.2);
avnisha 0:ad229870f727 61 }
avnisha 0:ad229870f727 62 }