Revision 25:ca9caacd0f9f, committed 2020-07-23

Comitter:

laserdad

Date:

Thu Jul 23 20:19:25 2020 +0000

Parent:

19:a27b98998edf

Commit message:

removed manual trim and overwrite digital trim

Changed in this revision

--- a/OB1203.cpp	Fri Oct 12 20:19:38 2018 +0000
+++ b/OB1203.cpp	Thu Jul 23 20:19:25 2020 +0000
@@ -162,10 +162,17 @@
 void OB1203::setPPGcurrent()
 {
     char writeData[4];
-    writeData[0] = (char) (ir_current & 0x00FF);
-    writeData[1] = (char) ((ir_current & 0xFF00)>>8);
-    writeData[2] = (char) (r_current & 0x00FF);
-    writeData[3] = (char) ((r_current & 0xFF00)>>8);
+    if(led_flip == LED_FLIP_OFF) {
+        writeData[0] = (char) (ir_current & 0x00FF);
+        writeData[1] = (char) ((ir_current & 0xFF00)>>8);
+        writeData[2] = (char) (r_current & 0x00FF);
+        writeData[3] = (char) ((r_current & 0xFF00)>>8);
+    } else {
+        writeData[2] = (char) (ir_current & 0x00FF);
+        writeData[3] = (char) ((ir_current & 0xFF00)>>8);
+        writeData[0] = (char) (r_current & 0x00FF);
+        writeData[1] = (char) ((r_current & 0xFF00)>>8);
+    }
     writeBlock(OB1203_ADDR,REG_PPG_IRLED_CURR,writeData,4);
 }
 
@@ -207,6 +214,14 @@
     writeBlock(OB1203_ADDR, REG_LED_TRIM,writeData,1);
 }
 
+void OB1203::setDigTrim()
+{
+    char writeData[2];
+    writeData[0] = led1_trim;
+    writeData[1] = led2_trim;
+    writeBlock(OB1203_ADDR, REG_DIG_LED1_TRIM,writeData,2);
+}
+
 void OB1203::setDigitalCan()
 {
     char writeData[2];
@@ -278,7 +293,7 @@
     ls_en = LS_OFF;
     ppg_ps_en = 1;
     ppg_ps_mode = PS_MODE;
-    setLEDTrim();
+    //setLEDTrim();
     setMainConfig();
 }
 
@@ -304,7 +319,7 @@
     ls_en = LS_ON;
     ppg_ps_en = PPG_PS_ON;
     ppg_ps_mode = PS_MODE;
-    setLEDTrim();
+    //setLEDTrim();
     setMainConfig();
 }
 
@@ -324,8 +339,9 @@
     setPPGavg_and_rate();
     setFifoConfig(); 
     ppg_ps_mode = HR_MODE;
-    setBioTrim();
-    setLEDTrim();
+    //setBioTrim();
+    //setLEDTrim();
+    setDigTrim();
     setMainConfig();    
 }
 
@@ -344,8 +360,9 @@
     setPPGavg_and_rate();
     setFifoConfig(); 
     ppg_ps_mode = SPO2_MODE;
-    setLEDTrim();
-    setBioTrim();
+    //setLEDTrim();
+    setDigTrim();
+    //setBioTrim();
     setMainConfig();    
 }
 
@@ -431,14 +448,22 @@
 }
 
 
-uint8_t OB1203::getNumFifoSamplesAvailable()
+void OB1203::getNumFifoSamplesAvailable(char *fifo_info, char *sample_info)
 {
+    /*sample_info [3] = {numSamplesHR, numSamplesSpO2, overflow*/
+    
+    getFifoInfo(fifo_info);
+    uint8_t writePointer = fifo_info[0];
+    uint8_t readPointer = fifo_info [1];
     uint8_t numSamples = writePointer;
     if (writePointer<readPointer)
     {
-        numSamples += 31-readPointer;
+        numSamples += 32; 
     }
-    return numSamples;
+    numSamples -= readPointer;
+    sample_info[0] = numSamples; //num HR samples
+    sample_info[1] = (numSamples>>1); //num SpO2 samples
+    sample_info[2] = fifo_info[2];
 }
 
 
@@ -470,7 +495,14 @@
     const uint32_t tol2 = TOL2;
     const uint16_t in_range_persist = IN_RANGE_PERSIST;
     static uint16_t in_range[2] = {0,0};
-    const uint16_t maxCurrent[2] = {IR_MAX_CURRENT , R_MAX_CURRENT};
+    uint16_t maxCurrent[2];
+    if(led_flip == LED_FLIP_OFF) {
+        maxCurrent[0] = IR_MAX_CURRENT;
+        maxCurrent[1] = R_MAX_CURRENT;
+    } else {
+        maxCurrent[0] = R_MAX_CURRENT;
+        maxCurrent[1] = IR_MAX_CURRENT;
+    }
     const uint16_t step = STEP;
     const uint32_t targetCounts[2] = {IR_TARGET_COUNTS, R_TARGET_COUNTS};
      //ch = 0 for IR, 1 for R (channel)

--- a/OB1203.h	Fri Oct 12 20:19:38 2018 +0000
+++ b/OB1203.h	Thu Jul 23 20:19:25 2020 +0000
@@ -52,7 +52,8 @@
 #define REG_OSC_TRIM        0x3E
 #define REG_LED_TRIM        0x3F
 #define REG_BIO_TRIM        0x40
-
+#define REG_DIG_LED1_TRIM   0x42
+#define REG_DIG_LED2_TRIM   0x43
 
 //Define settings
 //STATUS_0
@@ -164,8 +165,8 @@
 #define PPG_AVG(x)          (x & 0x07)<<4
 //PPG_PWIDTH_RATE
 #define PPG_PWIDTH(x)       (x & 0x07)<<4
-#define PPG_FREQ_60HZ       0
-#define PPG_FREQ_50HZ       1<<3
+#define PPG_FREQ_PREPRODUCTION 0
+#define PPG_FREQ_PRODUCTION 1
 #define PPG_RATE(x)         (x & 0x07)
 //FIFO_CFG
 #define FIFO_ROLL_ON        1<<4
@@ -220,8 +221,8 @@
     uint16_t ps_thres_hi;
     uint16_t ps_thres_lo;
     uint16_t ps_current;
-    uint16_t ir_current;
-    uint16_t r_current;
+    volatile uint16_t ir_current;
+    volatile uint16_t r_current;
     char ppg_ps_gain;
     char ppg_pow_save;
     char led_flip;
@@ -249,6 +250,8 @@
     char diff;
     char alc;
     char sig_out;
+    char led1_trim;
+    char led2_trim;
     
     OB1203 (I2C *);
 
@@ -291,11 +294,11 @@
     void init_hr();
     void init_spo2();
     void getFifoInfo(char *fifo_info);
-    uint8_t getNumFifoSamplesAvailable();
+    void getNumFifoSamplesAvailable(char *fifo_info, char *sample_info);
     void getFifoSamples(uint8_t, char *);
     void parseFifoSamples(char, char *, uint32_t *);
     char get_part_ID(char *);
-
+    void setDigTrim(void);
 
     //agc functions
     void do_agc(uint32_t,bool);