Revision 0:7cbdb79aafea, committed 2019-02-13

Comitter:

eric11fr

Date:

Wed Feb 13 23:23:12 2019 +0000

Commit message:

i2c

Changed in this revision

diff -r 000000000000 -r 7cbdb79aafea main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Feb 13 23:23:12 2019 +0000
@@ -0,0 +1,82 @@
+#include "mbed.h"
+#include <I2C.h>
+
+I2C i2c(p28,p27);
+Serial pc(USBTX, USBRX);
+//Serial uart(p28, p27);
+char buffer[128];
+        
+    
+DigitalOut myled(LED1);
+void funct_in(int adress, char *data)
+{
+ 
+    i2c.read(adress,data,1);
+}
+
+void funct_out(int adress,char *data)
+{
+    i2c.write(adress,data,1);
+}
+
+void can_in(int adress,char control, char *data)
+{
+    i2c.write(adress, &control,1);
+    i2c.read(adress,data,1);
+}
+
+void dac_out(int adress,char *data)
+{
+    i2c.write(adress, data,2);
+}
+
+int main() {
+   // pc.gets(buffer,4);
+   //if(uart.readable()) {
+    //pc.putc(uart.getc());
+    
+    int adress_out=0x70;//pcf_out
+    int adress_in=0x72;// pcf_in
+    int adress_can=0x90;//4 can/ 1 cna 8bits
+    int adress_dac=0x40;//dac 6bits 8 voies
+    char x,*tab;
+    char cmd[2];
+    tab=cmd;
+    while(1) 
+    {
+        if(pc.readable()) 
+        {
+            if(pc.getc()=='i')
+                {
+                    funct_in(adress_in,&x);
+                    pc.printf("in=%d",x);
+                }
+            if (pc.getc()=='o')
+                {cmd[0]=pc.getc();
+                cmd[1]=pc.getc();
+                    funct_out(adress_out,tab);//get binary value form labview: 0x00 to 0xFF
+                }
+            if (pc.getc()=='a')// frame : a<control><data> : a<0 OUT IN1 IN0 0 I CH1 CH0><D7 D6 D5 D4 D3 D2 D1 D0>
+                {   cmd[0]=0;
+                    cmd[0]|=pc.getc()-48;//channel number
+                    cmd[0]|=(pc.getc()-48)<<2;//auto iteration channel
+                    cmd[0]|=(pc.getc()-48)<<4;//input type diff/single ended
+                    cmd[0]|=(pc.getc()-48)<<6;//dac active
+                
+                    can_in(adress_can,cmd[0],&x);
+                    pc.printf("%x ",cmd[0]);
+                    pc.printf("can=%d\n",x);
+                }
+            if(pc.getc()=='d')//frame : d<control><data> : d<I3 I2 I1 I0 SD SC SB SA><x x D5 D4 D3 D2 D1 D0>
+            //SD to SA : Valid subaddresses are: 0H to 7H. The subaddresses correspond to DAC0 to DAC7 channel
+            //I3 to I0 : 0 or F
+                {   cmd[0]=(pc.getc()-48); //DAC0 to DAC7
+                    cmd[0]|=0x0F<<4;//0 or F >> send F
+                    //sprintf(cmd[1],"%d",pc.gets());// data to convert
+                    cmd[1]=pc.getc();// data to convert
+                   // pc.printf("%x %x\n",cmd[0],cmd[1]);
+                    dac_out(adress_dac,cmd);
+                }
+        }  
+    }
+}

diff -r 000000000000 -r 7cbdb79aafea mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Wed Feb 13 23:23:12 2019 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/mbed_official/code/mbed/builds/3a7713b1edbc
\ No newline at end of file