avnish aggarwal / Mbed 2 deprecated Bootcamp-dma-serial

ok see #define to of code uses MODSERIAL - buffered serial

Dependencies:   MODDMA mbed

main.cpp@0:6bd2bff61284, 2014-03-19 (annotated)

Committer:
avnisha
Date:
Wed Mar 19 04:15:19 2014 +0000
Revision:
0:6bd2bff61284
ok

Who changed what in which revision?

UserRevisionLine numberNew contents of line
avnisha 0:6bd2bff61284 1
avnisha 0:6bd2bff61284 2 //
avnisha 0:6bd2bff61284 3 // needed for backward code compatibility !!!!
avnisha 0:6bd2bff61284 4 //
avnisha 0:6bd2bff61284 5
avnisha 0:6bd2bff61284 6 #define _uidx _serial.index
avnisha 0:6bd2bff61284 7
avnisha 0:6bd2bff61284 8 #include "mbed.h"
avnisha 0:6bd2bff61284 9 #include "MODDMA.h"
avnisha 0:6bd2bff61284 10 #include "MODSERIAL.h"
avnisha 0:6bd2bff61284 11
avnisha 0:6bd2bff61284 12
avnisha 0:6bd2bff61284 13 /*
avnisha 0:6bd2bff61284 14 * Uses DMA to send data to buffer attached to a serial device
avnisha 0:6bd2bff61284 15 */
avnisha 0:6bd2bff61284 16
avnisha 0:6bd2bff61284 17
avnisha 0:6bd2bff61284 18 DigitalOut led1(LED1);
avnisha 0:6bd2bff61284 19 DigitalOut led4(LED4);
avnisha 0:6bd2bff61284 20 MODSERIAL pc(USBTX, USBRX);
avnisha 0:6bd2bff61284 21 MODDMA dma;
avnisha 0:6bd2bff61284 22
avnisha 0:6bd2bff61284 23 class FOO {
avnisha 0:6bd2bff61284 24 public:
avnisha 0:6bd2bff61284 25 void dmaCallback(MODSERIAL_IRQ_INFO *q) { led4 = 1; }
avnisha 0:6bd2bff61284 26 };
avnisha 0:6bd2bff61284 27
avnisha 0:6bd2bff61284 28 FOO foo;
avnisha 0:6bd2bff61284 29
avnisha 0:6bd2bff61284 30 int main() {
avnisha 0:6bd2bff61284 31 char s[] = "This is a DMA transfer test\n\r";
avnisha 0:6bd2bff61284 32 pc.baud( 9600 );
avnisha 0:6bd2bff61284 33 pc.MODDMA( &dma );
avnisha 0:6bd2bff61284 34 pc.attach_dmaSendComplete( &foo, &FOO::dmaCallback );
avnisha 0:6bd2bff61284 35 pc.dmaSend( s, sizeof(s) );
avnisha 0:6bd2bff61284 36
avnisha 0:6bd2bff61284 37 while(1) {
avnisha 0:6bd2bff61284 38 led1 = !led1;
avnisha 0:6bd2bff61284 39 wait(0.2);
avnisha 0:6bd2bff61284 40 pc.dmaSend( s, sizeof(s) );
avnisha 0:6bd2bff61284 41 }
avnisha 0:6bd2bff61284 42 }