MODDMA GPDMA Controller New features: transfer pins to memory buffer under periodic timer control and send double buffers to DAC

Dependents:   FirstTest WaveSim IO-dma-memmem DACDMAfuncgenlib ... more

Revision:
8:cb4d323ce6fd
Parent:
7:347110c7aefc
--- a/example1.cpp	Wed Nov 24 00:32:49 2010 +0000
+++ b/example1.cpp	Sat Feb 05 08:53:26 2011 +0000
@@ -1,92 +1,92 @@
-#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);
-
-// 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
+#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