Hideharu Tsunemoto / Mbed 2 deprecated MBED_TestPulse_Xray_Cont_20180517

MBED_LPC1768_Test Pulse msec/usec Interval Output P29/P30 & Input P21 Status Send USB Serial Log

Dependencies:   mbed

MODDMA/example1.h@0:47c1b6a0c166, 2018-05-29 (annotated)

Committer:
H_Tsunemoto
Date:
Tue May 29 02:41:54 2018 +0000
Revision:
0:47c1b6a0c166
Pulse On/OFF OutPut P29/P30 & Rep Input P21 Status Output USBSerial;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
H_Tsunemoto 0:47c1b6a0c166 1 #include "mbed.h"
H_Tsunemoto 0:47c1b6a0c166 2 #include "MODDMA.h"
H_Tsunemoto 0:47c1b6a0c166 3 #include "MODSERIAL.h"
H_Tsunemoto 0:47c1b6a0c166 4
H_Tsunemoto 0:47c1b6a0c166 5 DigitalOut led1(LED1);
H_Tsunemoto 0:47c1b6a0c166 6 DigitalOut led2(LED2);
H_Tsunemoto 0:47c1b6a0c166 7 DigitalOut led3(LED3);
H_Tsunemoto 0:47c1b6a0c166 8 DigitalOut led4(LED4);
H_Tsunemoto 0:47c1b6a0c166 9 MODDMA dma;
H_Tsunemoto 0:47c1b6a0c166 10 MODSERIAL pc(USBTX, USBRX);
H_Tsunemoto 0:47c1b6a0c166 11
H_Tsunemoto 0:47c1b6a0c166 12 // Function prototypes for IRQ callbacks.
H_Tsunemoto 0:47c1b6a0c166 13 // See definitions following main() below.
H_Tsunemoto 0:47c1b6a0c166 14 void dmaTCCallback(void);
H_Tsunemoto 0:47c1b6a0c166 15 void dmaERRCallback(void);
H_Tsunemoto 0:47c1b6a0c166 16 void TC0_callback(void);
H_Tsunemoto 0:47c1b6a0c166 17 void ERR0_callback(void);
H_Tsunemoto 0:47c1b6a0c166 18
H_Tsunemoto 0:47c1b6a0c166 19 int main() {
H_Tsunemoto 0:47c1b6a0c166 20 char s[] = "**DMA** ABCDEFGHIJKLMNOPQRSTUVWXYZ **DMA**";
H_Tsunemoto 0:47c1b6a0c166 21
H_Tsunemoto 0:47c1b6a0c166 22 pc.baud(PC_BAUD);
H_Tsunemoto 0:47c1b6a0c166 23
H_Tsunemoto 0:47c1b6a0c166 24 dma.attach_tc( &dmaTCCallback );
H_Tsunemoto 0:47c1b6a0c166 25 dma.attach_err( &dmaERRCallback );
H_Tsunemoto 0:47c1b6a0c166 26
H_Tsunemoto 0:47c1b6a0c166 27 MODDMA_Config *config = new MODDMA_Config;
H_Tsunemoto 0:47c1b6a0c166 28 config
H_Tsunemoto 0:47c1b6a0c166 29 ->channelNum ( MODDMA::Channel_0 )
H_Tsunemoto 0:47c1b6a0c166 30 ->srcMemAddr ( (uint32_t) &s )
H_Tsunemoto 0:47c1b6a0c166 31 ->dstMemAddr ( 0 )
H_Tsunemoto 0:47c1b6a0c166 32 ->transferSize ( sizeof(s) )
H_Tsunemoto 0:47c1b6a0c166 33 ->transferType ( MODDMA::m2p )
H_Tsunemoto 0:47c1b6a0c166 34 ->transferWidth ( 0 )
H_Tsunemoto 0:47c1b6a0c166 35 ->srcConn ( 0 )
H_Tsunemoto 0:47c1b6a0c166 36 ->dstConn ( MODDMA::UART0_Tx )
H_Tsunemoto 0:47c1b6a0c166 37 ->dmaLLI ( 0 )
H_Tsunemoto 0:47c1b6a0c166 38 ->attach_tc ( &TC0_callback )
H_Tsunemoto 0:47c1b6a0c166 39 ->attach_err ( &ERR0_callback )
H_Tsunemoto 0:47c1b6a0c166 40 ; // config end
H_Tsunemoto 0:47c1b6a0c166 41
H_Tsunemoto 0:47c1b6a0c166 42 // Setup the configuration.
H_Tsunemoto 0:47c1b6a0c166 43 dma.Setup(config);
H_Tsunemoto 0:47c1b6a0c166 44
H_Tsunemoto 0:47c1b6a0c166 45 //dma.Enable( MODDMA::Channel_0 );
H_Tsunemoto 0:47c1b6a0c166 46 //dma.Enable( config->channelNum() );
H_Tsunemoto 0:47c1b6a0c166 47 dma.Enable( config );
H_Tsunemoto 0:47c1b6a0c166 48
H_Tsunemoto 0:47c1b6a0c166 49 while (1) {
H_Tsunemoto 0:47c1b6a0c166 50 led1 = !led1;
H_Tsunemoto 0:47c1b6a0c166 51 wait(0.25);
H_Tsunemoto 0:47c1b6a0c166 52 }
H_Tsunemoto 0:47c1b6a0c166 53 }
H_Tsunemoto 0:47c1b6a0c166 54
H_Tsunemoto 0:47c1b6a0c166 55 // Main controller TC IRQ callback
H_Tsunemoto 0:47c1b6a0c166 56 void dmaTCCallback(void) {
H_Tsunemoto 0:47c1b6a0c166 57 led2 = 1;
H_Tsunemoto 0:47c1b6a0c166 58 }
H_Tsunemoto 0:47c1b6a0c166 59
H_Tsunemoto 0:47c1b6a0c166 60 // Main controller ERR IRQ callback
H_Tsunemoto 0:47c1b6a0c166 61 void dmaERRCallback(void) {
H_Tsunemoto 0:47c1b6a0c166 62 error("Oh no! My Mbed exploded! :( Only kidding, find the problem");
H_Tsunemoto 0:47c1b6a0c166 63 }
H_Tsunemoto 0:47c1b6a0c166 64
H_Tsunemoto 0:47c1b6a0c166 65 // Configuration callback on TC
H_Tsunemoto 0:47c1b6a0c166 66 void TC0_callback(void) {
H_Tsunemoto 0:47c1b6a0c166 67 MODDMA_Config *config = dma.getConfig();
H_Tsunemoto 0:47c1b6a0c166 68 dma.haltAndWaitChannelComplete( (MODDMA::CHANNELS)config->channelNum());
H_Tsunemoto 0:47c1b6a0c166 69 dma.Disable( (MODDMA::CHANNELS)config->channelNum() );
H_Tsunemoto 0:47c1b6a0c166 70
H_Tsunemoto 0:47c1b6a0c166 71 // Configurations have two IRQ callbacks for TC and Err so you
H_Tsunemoto 0:47c1b6a0c166 72 // know which you are processing. However, if you want to use
H_Tsunemoto 0:47c1b6a0c166 73 // a single callback function you can tell what type of IRQ
H_Tsunemoto 0:47c1b6a0c166 74 // is being processed thus:-
H_Tsunemoto 0:47c1b6a0c166 75 if (dma.irqType() == MODDMA::TcIrq) {
H_Tsunemoto 0:47c1b6a0c166 76 led3 = 1;
H_Tsunemoto 0:47c1b6a0c166 77 dma.clearTcIrq();
H_Tsunemoto 0:47c1b6a0c166 78 }
H_Tsunemoto 0:47c1b6a0c166 79 if (dma.irqType() == MODDMA::ErrIrq) {
H_Tsunemoto 0:47c1b6a0c166 80 led4 = 1;
H_Tsunemoto 0:47c1b6a0c166 81 dma.clearErrIrq();
H_Tsunemoto 0:47c1b6a0c166 82 }
H_Tsunemoto 0:47c1b6a0c166 83 }
H_Tsunemoto 0:47c1b6a0c166 84
H_Tsunemoto 0:47c1b6a0c166 85 // Configuration cakllback on Error
H_Tsunemoto 0:47c1b6a0c166 86 void ERR0_callback(void) {
H_Tsunemoto 0:47c1b6a0c166 87 error("Oh no! My Mbed exploded! :( Only kidding, find the problem");
H_Tsunemoto 0:47c1b6a0c166 88 }
H_Tsunemoto 0:47c1b6a0c166 89