Diff: main.cpp

Revision:

1:fb6b2b4d5d8a

Parent:

0:e9ae48b7f6f6

Child:

2:ee175f471ecb

--- a/main.cpp	Wed Apr 25 05:29:19 2018 +0000
+++ b/main.cpp	Thu May 03 02:20:59 2018 +0000
@@ -5,6 +5,7 @@
 
 #define intb_pin D3
 
+
 I2C i2c(I2C_SDA,I2C_SCL);
 InterruptIn intb(intb_pin);
 DigitalOut sda_pullup(D11,1);
@@ -15,25 +16,38 @@
 Serial pc(USBTX, USBRX,115200);
 Timer t;
 
+int sample_delay = 10; //ms
+
+
 bool mode = 0; //0 for PS_LS, 1 for SPO2
 bool intFlagged =0;
 
+
 void defaultConfig()
 {
-    ob1203.ls_res = LS_RATE(2); //100ms
+    ob1203.ls_rate = LS_RATE(2); //100ms
     ob1203.ls_res = LS_RES(2); //18bit 100ms
-    ob1203.ls_gain = LS_GAIN(1); //gain 3 default
-    ob1203.ls_thres_hi = 0x0FFFFF;
+    ob1203.ls_gain = LS_GAIN(1); //gain 3 default (range)
+    ob1203.ls_thres_hi = 0x000FFFFF;
     ob1203.ls_thres_lo = 0;
     ob1203.ls_sai = LS_SAI_OFF;
     ob1203.ls_mode = RGB_MODE;
     ob1203.ls_en = LS_ON;
     
     ob1203.ps_sai_en = PS_SAI_OFF;
-    ob1203.ppg_ps_mode = PS_MODE;
-    ob1203.ps_pulses = PS_PULSES(8);
+    if(mode)
+    {
+        ob1203.pps_ps_mode = SPO2_MODE;
+    }
+    else
+    {
+        ob1203.ppg_ps_mode = PS_MODE;
+    }
+    ob1203.ps_pulses = PS_PULSES(2);
+//    pc.printf("ps_pulses = %02X\r\n",ob1203.ps_pulses);
     ob1203.ps_pwidth = PS_PWIDTH(1);
     ob1203.ps_rate = PS_RATE(5);
+//    pc.printf("ps_rate = %02X\r\n",ob1203.ps_rate);
     ob1203.ps_avg_en = PS_AVG_OFF;
     ob1203.ps_can_ana = PS_CAN_ANA_0;
     ob1203.ps_digital_can = 0;
@@ -79,6 +93,25 @@
     }
 }
 
+void regDump(uint8_t Addr, uint8_t startByte, uint8_t endByte)
+{
+    /*print the values of up to 20 registers--buffer limit, e.g.*/
+    char regData[20];
+    int numBytes;
+    if (endByte>=startByte) {
+        numBytes =  (endByte-startByte+1) < 20 ? (endByte-startByte+1) : 20;
+    } else {
+        numBytes=1;
+    }
+
+    regData[0] = startByte;
+    i2c.write(Addr,regData,1,true);
+    i2c.read(Addr, regData, numBytes);
+    for(int n=0; n<numBytes; n++) {
+        pc.printf("%02X, %02X \r\n", startByte+n, regData[n]);
+    }
+}
+
 
 void intEvent(void)
 {
@@ -94,29 +127,50 @@
     char fifoBuffer[samples2Read];
     uint32_t ppgData[samples2Read];  
 
-      
+    
+    pc.printf("register settings\r\n");
+    regDump(OB1203_ADDR,0,19);
+    regDump(OB1203_ADDR,20,39);
+    regDump(OB1203_ADDR,40,59);
+    regDump(OB1203_ADDR,60,77);
+    
+    pc.printf("do initial config\r\n");
     defaultConfig(); //rgb ps
+    
+    pc.printf("print new register config\r\n");
+    regDump(OB1203_ADDR,0,19);
+    regDump(OB1203_ADDR,20,39);
+    regDump(OB1203_ADDR,40,59);
+    regDump(OB1203_ADDR,60,77);
+    
         
     intb.fall(&intEvent);
     
     while(1)
-    if(intFlagged)
     {
-        if( mode )
+        if(mode)
         {
-            ob1203.getFifoSamples(samples2Read,fifoBuffer);
-            ob1203.parseFifoSamples(samples2Read,fifoBuffer,ppgData);
-            for (int n=0;n<samples2Read/2;n++)
+            if(intFlagged)
             {
-                pc.printf("%d %d/r/n",ppgData[2*n],ppgData[2*n+1]);
+                
+                ob1203.getFifoSamples(samples2Read,fifoBuffer);
+                ob1203.parseFifoSamples(samples2Read,fifoBuffer,ppgData);
+                for (int n=0;n<samples2Read/2;n++)
+                {
+                    pc.printf("%d %d\r\n",ppgData[2*n],ppgData[2*n+1]);
+                }
+                intFlagged = 0;   
+        
             }
-            intFlagged = 0;   
         }
         else
         {
-            valid = ob1203.get_ps_ls_data(ps_ls_data);
-            pc.printf("%d %d %d %d %d %d/r/n",ps_ls_data[0],ps_ls_data[1],ps_ls_data[2],ps_ls_data[3],ps_ls_data[4],ps_ls_data[5]);
+            wait_ms(sample_delay);
+            if(ob1203.dataIsNew())
+            {
+                valid = ob1203.get_ps_ls_data(ps_ls_data);
+                pc.printf("%d %d %d %d %d %d\r\n",ps_ls_data[0],ps_ls_data[1],ps_ls_data[2],ps_ls_data[3],ps_ls_data[4],ps_ls_data[5]);
+            }
         }
-        intFlagged =0;
-    }
-}
\ No newline at end of file
+    }//end while
+}//end main
\ No newline at end of file