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Dependents: FirstTest WaveSim IO-dma-memmem DACDMAfuncgenlib ... more
Diff: example1.cpp
- Revision:
- 12:1dfee7208043
- Parent:
- 11:19009be5a0e7
- Child:
- 13:846c8b6ffb7f
diff -r 19009be5a0e7 -r 1dfee7208043 example1.cpp
--- a/example1.cpp Sun Mar 13 12:46:55 2011 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,92 +0,0 @@
-#ifdef COMPILE_EXAMPLE1_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);
-
-// Function prototypes for IRQ callbacks.
-// See definitions following main() below.
-void dmaTCCallback(void);
-void dmaERRCallback(void);
-void TC0_callback(void);
-void ERR0_callback(void);
-
-int main() {
- char s[] = "**DMA** ABCDEFGHIJKLMNOPQRSTUVWXYZ **DMA**";
-
- pc.baud(PC_BAUD);
-
- dma.attach_tc( &dmaTCCallback );
- dma.attach_err( &dmaERRCallback );
-
- 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 )
- ->attach_tc ( &TC0_callback )
- ->attach_err ( &ERR0_callback )
- ; // config end
-
- // Setup the configuration.
- dma.Setup(config);
-
- //dma.Enable( MODDMA::Channel_0 );
- //dma.Enable( config->channelNum() );
- dma.Enable( config );
-
- while (1) {
- led1 = !led1;
- wait(0.25);
- }
-}
-
-// Main controller TC IRQ callback
-void dmaTCCallback(void) {
- led2 = 1;
-}
-
-// Main controller ERR IRQ callback
-void dmaERRCallback(void) {
- error("Oh no! My Mbed exploded! :( Only kidding, find the problem");
-}
-
-// Configuration callback on TC
-void TC0_callback(void) {
- MODDMA_Config *config = dma.getConfig();
- dma.haltAndWaitChannelComplete( (MODDMA::CHANNELS)config->channelNum());
- dma.Disable( (MODDMA::CHANNELS)config->channelNum() );
-
- // Configurations have two IRQ callbacks for TC and Err so you
- // know which you are processing. However, if you want to use
- // a single callback function you can tell what type of IRQ
- // is being processed thus:-
- if (dma.irqType() == MODDMA::TcIrq) {
- led3 = 1;
- dma.clearTcIrq();
- }
- if (dma.irqType() == MODDMA::ErrIrq) {
- led4 = 1;
- dma.clearErrIrq();
- }
-}
-
-// Configuration cakllback on Error
-void ERR0_callback(void) {
- error("Oh no! My Mbed exploded! :( Only kidding, find the problem");
-}
-
-#endif