Revision 0:cabd10c37640, committed 2014-05-28

Comitter:

frankvnk

Date:

Wed May 28 18:25:49 2014 +0000

Child:

1:098ae9ac1461

Commit message:

Initial release

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ISL29125.lib	Wed May 28 18:25:49 2014 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/frankvnk/code/ISL29125/#59ae5a71c902

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed May 28 18:25:49 2014 +0000
@@ -0,0 +1,110 @@
+#include "mbed.h"
+#include "ISL29125.h"
+
+DigitalOut myled(LED_GREEN);
+bool Overflow = 0;
+uint16_t GRBdata[3];
+bool data_present;
+
+Timeout flipper;
+Ticker als;
+
+void RGBsensor_irq(void)
+{
+    Overflow = 1;
+}
+
+// Different constructor calls
+ISL29125 RGBsensor(PTE0, PTE1, PTD7, &RGBsensor_irq);       // ISR mode
+//ISL29125 RGBsensor(PTE0, PTE1, PTD7);                       // Sync mode
+//ISL29125 RGBsensor(PTE0, PTE1);                             // Free running mode
+
+void flip()
+{
+    RGBsensor.Run();    // Only works in Sync mode, Delayed conversion start.
+}
+
+void ALSread()
+{
+    data_present = RGBsensor.Read(ISL29125_RGB, GRBdata);
+    if(data_present) printf("RGB : %04X-%04X-%04X\r\n", GRBdata[1], GRBdata[0], GRBdata[2]);
+    if(Overflow)
+    {
+        printf("\r\nIRQ : %d\r\n",Overflow);
+        myled = !myled;
+        Overflow = 0;
+    }
+}
+
+Serial pc(USBTX, USBRX);
+
+int main()
+{
+    myled = 1;
+    
+    // Read ID register
+    printf("Read ID register\r\nWhoAmI : %02X\r\n", RGBsensor.WhoAmI());
+
+    // Change threshold registers
+    RGBsensor.Threshold(ISL29125_LTH_W, 0x0100);
+    printf("Change threshold registers\r\n%04X\r\n", RGBsensor.Threshold(ISL29125_LTH_R));
+    RGBsensor.Threshold(ISL29125_HTH_W, 0x2345);
+    printf("%04X\r\n", RGBsensor.Threshold(ISL29125_HTH_R));
+
+    // Get operating mode
+    printf("Get operating mode\r\nRGB mode : %02X\r\n", RGBsensor.RGBmode());
+
+    // Change sensing range
+    printf("Change sensing range\r\n%d %02X\r\n", RGBsensor.Range(ISL29125_375LX), RGBsensor.Range());
+    printf("%d %02X\r\n", RGBsensor.Range(ISL29125_10KLX), RGBsensor.Range());
+    printf("%d %02X\r\n", RGBsensor.Range(0x02), RGBsensor.Range());                 //try invalid value
+
+    // Change ADC resolution
+    printf("Change ADC resolution\r\n%d %02X\r\n", RGBsensor.Resolution(ISL29125_12BIT), RGBsensor.Resolution());
+    printf("%d %02X\r\n", RGBsensor.Resolution(ISL29125_16BIT), RGBsensor.Resolution());
+    printf("%d %02X\r\n", RGBsensor.Resolution(0x02), RGBsensor.Resolution());            //try invalid value
+
+    // Change persistence control
+    printf("Change persistence control\r\n%d %02X\r\n", RGBsensor.Persist(ISL29125_PERS4), RGBsensor.Persist());
+    printf("%d %02X\r\n", RGBsensor.Persist(ISL29125_PERS1), RGBsensor.Persist());
+
+    // Change IRQ on conversion done
+    printf("IRQ at end of RGB conversion: %d\r\n", RGBsensor.IRQonCnvDone());
+    RGBsensor.IRQonCnvDone(true);
+    printf("Change IRQ at end of RGB conversion: ON\r\n%d\r\n", RGBsensor.IRQonCnvDone());
+    RGBsensor.IRQonCnvDone(false);
+    printf("Change IRQ at end of RGB conversion: OFF\r\n%d\r\n", RGBsensor.IRQonCnvDone());
+
+    // Change Interrupt threshold assignemnt
+    printf("Change Interrupt threshold assignemnt\r\n");
+    printf("G   %d %02X\r\n", RGBsensor.IRQonColor(ISL29125_G), RGBsensor.IRQonColor());
+    printf("R   %d %02X\r\n", RGBsensor.IRQonColor(ISL29125_R), RGBsensor.IRQonColor());
+    printf("B   %d %02X\r\n", RGBsensor.IRQonColor(ISL29125_B), RGBsensor.IRQonColor());
+    printf("0FF %d %02X\r\n", RGBsensor.IRQonColor(ISL29125_OFF), RGBsensor.IRQonColor());
+    printf("INV %d %02X\r\n", RGBsensor.IRQonColor(0x10), RGBsensor.IRQonColor());            //try invalid value
+
+    // Change IR compensation
+    printf("Change IR compensation\r\n");
+    printf("  0 %d %d\r\n", RGBsensor.IRcomp(0), RGBsensor.IRcomp());
+    printf(" 30 %d %d\r\n", RGBsensor.IRcomp(30), RGBsensor.IRcomp());
+    printf(" 64 %d %d\r\n", RGBsensor.IRcomp(64), RGBsensor.IRcomp());                    //try invalid value
+    printf("191 %d %d\r\n", RGBsensor.IRcomp(191), RGBsensor.IRcomp());
+    printf("192 %d %d\r\n", RGBsensor.IRcomp(192), RGBsensor.IRcomp());                   //try invalid value
+
+    RGBsensor.IRQonColor(ISL29125_G); // Enable Green threshold mode
+    als.attach(&ALSread, 0.2);  // Use this when IRQ on threshold is enabled 
+    flipper.attach(&flip, 5.0); // Only used with Sync mode test - Start conversion after 5 seconds.
+    while(1)
+    {
+        // In IRQ mode, Read ISL29125 RGB values is automatically called every 200ms using a Ticker.
+        // Reading the the RGB values too fast resluts in a i2c fail when an interrupt occurs.
+        // Still investigating why this happens.
+        // As a result, only enable the line below when no IRQ mode is used and als.attach / RGBsensor.IRQonColor are not enabled.
+        // ALSread();
+    }
+}
+
+
+
+
+

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Wed May 28 18:25:49 2014 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/0b3ab51c8877
\ No newline at end of file