Revision 5:832b59a73dec, committed 2014-06-10

Comitter:

fblanc

Date:

Tue Jun 10 14:44:07 2014 +0000

Parent:

4:75077e05de3e

Child:

6:fa9df9f03bfa

Commit message:

usbserial ok;

Changed in this revision

--- a/main.cpp	Fri Jun 06 13:10:57 2014 +0000
+++ b/main.cpp	Tue Jun 10 14:44:07 2014 +0000
@@ -1,11 +1,11 @@
 #include "mbed.h"
 #include "USBSerial.h"
-//#define BAUD 460800
-//#define BAUD 9600
-
+#define VERSION "10_06_2014"
+#define SPEED 1000
+#define BLOCUSB 40 //64
 #define __LPC1768
 #if defined( __LPC1768)
-//Serial pc(USBTX, USBRX);
+Serial debug(USBTX, USBRX);
 USBSerial pc;
 DigitalOut led2(LED2);
 DigitalOut led3(LED3);
@@ -27,8 +27,8 @@
 
 uint16_t index_hma_read=0;
 bool t_write=0;
-char str[256];
-uint8_t start_str=0;
+
+
 bool flag_write_USB=0;
 Ticker flipperADC;
 
@@ -37,8 +37,8 @@
 
     T_hma_u16[t_write][index_hma_write++]=adc_1.read_u16(); //read ADC
     T_hma_u16[t_write][index_hma_write++]=adc_2.read_u16(); //read ADC
-    //T_hma_u16[t_write][index_hma_write++]=0x00FF;
-  
+
+
     if(index_hma_write>2000) {
         flag_write_USB=1;
         t_write=!t_write; //toggel buffer
@@ -58,87 +58,56 @@
 
 void pc_rx(void)
 {
+    char str[32];
 
-led4=1;
-    for(; pc.readable()==true; ++start_str) {
+
+    for(int start_str=0; pc.readable()!=0; ++start_str) {
         str[start_str]=pc.getc();
     }
-//pc.printf("recv:%s",str);
-    if( strncmp(str,"*IDN?",strlen("*IDN?"))==0 ) {
-        //pc.printf("HMA\r");
-        led3=1;
-        pc.printf("HMA serial\r");
-        start_str=0;
-        for(int i=0; i<256; ++i) {
-            str[i]='\0';
-
-        }
-
-    } else if( strncmp(str,"MEASure",strlen("MEASure"))==0 ) {
-        for(int i=0; i<256; ++i) {
-            str[i]='\0';
-
-        }
-        flipperADC.attach_us(&flipADC, 1000); //500us
- 
-
-    } else if( strncmp(str,"ABORt",strlen("ABORt"))==0 ) {
-        for(int i=0; i<256; ++i) {
-            str[i]='\0';
-
-        }
+    if( strncmp(str,"ABORt",strlen("ABORt"))==0 ) {
         flipperADC.detach();
         t_write=0;
         index_hma_read=0;
         index_hma_write=0;
 
-    }
-    for(int i=0; i<start_str; ++i) {
-        if(str[i]=='\r') {
-            for(int j=0; j<256; ++j) {
-                str[j]='\0';
+    } else if( strncmp(str,"*IDN?",strlen("*IDN?"))==0 ) {
+        pc.printf("LAAS-CNRS ,HMA serial, %s\r",VERSION);
+
 
-            }
-             start_str=0;
-            
-        }
-       
+    } else if( strncmp(str,"MEASure",strlen("MEASure"))==0 ) {
+        flipperADC.attach_us(&flipADC, SPEED);
+    } else if( strncmp(str,"TIME",strlen("TIME"))==0 ) {
+
+        //...
+
     }
 
 
+
+
+
 }
 
 int main()
 {
-led2=0;
-led3=0;
-led4=0;
-//    pc.baud(BAUD);
-    pc.printf("HMA serial\r");
-    for(int i=0; i<256; ++i) {
-        str[i]='\0';
+    led2=0;
+    led3=0;
+    led4=0;
+    while(1) {
 
-    }
-
-
-    while(1) {
- 
         if (pc.readable()) {
             pc_rx();
         }
+
         if(flag_write_USB==1) {
             flag_write_USB=0;
-
-
+            led4=1;
             pc.printf("%04d%c\r",index_hma_read,'\0'); //'\0'fin de chaine ASCII '\r' fin de transmission
-
-            char* ptr=(char*)&T_hma_u16[!t_write][0];
-
-            for(uint16_t i=0; i<index_hma_read; ++i) {
-                pc.putc(*ptr++);
-                pc.putc(*ptr++);
+            for(unsigned int i=0; i<index_hma_read*2; i+=BLOCUSB ) { // 2 cannaux de 16bits
+                pc.writeBlock((uint8_t*)&T_hma_u16[!t_write][i/2],BLOCUSB );//For more efficiency, a block of size 64 (maximum size of a bulk endpoint) has to be written.
             }
 
+            led4=0;
         }