Diff: main.cpp

Revision:

0:a2d3a9f771b8

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Apr 04 14:01:24 2014 +0000
@@ -0,0 +1,213 @@
+#include "mbed.h"
+#include "MLX90620.h"
+
+extern "C" { 
+  void xsprintf (char* buff, const char* fmt, ...);
+}
+
+#define BS          0x08                    //ascii backspace
+#define CR          0x0d                    //ascii CR
+#define LF          0x0a                    //ascii LF
+#define SP          0x20                    //ascii space
+#define ESC         0x1b                    //ascii escape
+#define DP          0x2e                    //ascii decimal point / period
+#define ticC        0x03                    //ascii control C
+#define ticX        0x18                    //ascii control X
+
+extern "C" void mbed_reset();
+int revision = 102;
+int gDebug = 2;
+
+//RawSerial pc (USBTX, USBRX);
+Serial pc(USBTX, USBRX);
+//UART1 PIO0_0  PIO0_4
+//UART2 PIO0_1/USBRX  PIO0_6/USBTX
+
+//I2C i2c1(P0_10, P0_11);
+MLX90620 mlx(P0_10, P0_11, "mlx");            //MLX90620 register access
+
+//RN-42 Reset
+DigitalOut p1(P0_8);
+
+//MLX90620 buffers used by MLX90620.cpp
+char* EEbuf = new char[256];
+char* RamCmmd = new char[8];                //holds / sends MLX90620 RAM commands
+char* RamBuf = new char[128];               //0x3f words, values are 'unsigned short'
+
+//For MLX90620
+unsigned short ConfigReg = 0;               //MLX90620 configuration register
+float Ta = 0.0;
+double TempPxl = 0;
+
+//Used for display of temperature and extreme values
+int pixX = 0;                               //display pixel X (0-15)
+int pixY = 0;                               //display pixel Y (0-3)
+
+//Display Options
+int TempC = 'C';                            //***USED BY .INI FILE  display temperatures in degrees C or F
+
+//--------------------------------------------------------------------------------------------------------------------------------------//
+//Detect I2C device chain
+
+int i2cQty = 16;                            //number of bytes to get
+char i2cData[32];                           //i2c buffer data
+
+char buf[256];
+
+//--------------------------------------------------------------------------------------------------------------------------------------//
+// Display on PC using VT100 escape codes
+int loop = 0;
+bool GotAmbient = false;
+bool ReFrame = false;                       //do a reframe if asked
+
+int ShowTempsColor()
+{
+    ConfigReg = mlx.GetConfigReg();
+    if(GotAmbient == false) {
+        if((ConfigReg & 0x0100) == 0) {
+            Ta = mlx.GetDieTemp();
+            GotAmbient = true;
+        } else {
+            return(ConfigReg & 0x0100);
+        }
+    }
+    if((ConfigReg & 0x0200) == 0) {
+        loop++;
+        GotAmbient = false;
+        if(ReFrame == true) {
+            ReFrame = false;
+        }
+        mlx.LoadMLXRam();
+        mlx.StartMeasurement();
+    }
+    return(0);
+}
+
+void ShowTempsVT100()
+{
+    double HoldTemp = TempPxl;
+    pc.puts("st\r\n");
+    for(pixY = 0; pixY <= 3; pixY++) {
+        for(pixX = 0; pixX < 64; pixX = pixX + 4) {
+            TempPxl = mlx.CalcPixel(pixX + pixY);
+            if ((TempC == 'c') || (TempC == 'C')) {
+                HoldTemp = TempPxl;
+            } else {
+                HoldTemp = TempPxl * 9.0 / 5.0 + 32.0;
+            }
+
+//            if(HoldTemp >= 100.0) {
+//                pc.printf(" %.1f  ", HoldTemp);
+//            } else if((HoldTemp <= 10.0) && (HoldTemp >= 0.0)) {
+//                pc.printf("  %.2f  ", HoldTemp);
+//            } else if((HoldTemp >= -10.0) && (HoldTemp < 0.0)) {
+//                pc.printf(" %.2f  ", HoldTemp);
+//            } else if(HoldTemp < -10.0) {
+//                pc.printf("%.2f  ", HoldTemp);
+//            } else {
+//                pc.printf(" %.2f  ", HoldTemp);
+//            }
+            int temp = HoldTemp * 100;
+            xsprintf(buf, "%d\r\n", temp);
+            pc.puts(buf);
+            xsprintf(buf, "info x:%d  y:%d  %d\r\n", pixX, pixY, temp);
+            pc.puts(buf);
+        }
+//        pc.printf("\r\n", ESC, pixY);
+    }
+    pc.puts("ex\r\n");
+}
+
+//--------------------------------------------------------------------------------------------------------------------------------------//
+// Display Pixels in color
+
+//--------------------------------------------------------------------------------------------------------------------------------------//
+
+int main(void)
+{
+    // RN-42
+    p1 = 0;
+    wait_ms(300);
+
+    LPC_SYSCON->BODCTRL |= 2;
+    LPC_SYSCON->PDRUNCFG &= (0<<3);
+
+    p1 = 1;
+    wait_ms(100);
+    pc.baud(115200);
+
+    int initFail = 0;
+    //load up eeprom into buffer
+    if((mlx.LoadEEPROM())) {
+        pc.puts("err e1\r\n");
+        initFail++;
+    }
+
+    for(pixY = 0; pixY <= 3; pixY++) {
+        for(pixX = 0; pixX < 64; pixX = pixX + 4) {
+            int Pixel = pixY + pixX;
+            if (EEbuf[Pixel + 0x80] < 100) {
+                EEbuf[Pixel + 0x80] = 100;
+            }
+        }
+    }
+
+    //Init MLX90620
+    unsigned short x = 0;
+    if((mlx.SetOscTrimReg())) {
+        pc.puts("er e2\r\n");
+        initFail++;
+    } else {
+        x = mlx.GetOscTrimReg();
+        xsprintf(buf, "info Osc:  0x%04x\r\n", x);
+        pc.puts(buf);
+    }
+
+    if((mlx.SetConfigReg())) {
+        pc.puts("err e3\r\n");
+        initFail++;
+    } else {
+        x = mlx.GetConfigReg();
+        xsprintf(buf, "info Config: 0x%04x\r\n", x);
+        pc.puts(buf);
+        x = mlx.GetPTATReg();
+        xsprintf(buf, "info PTAT:   0x%04x\r\n", x);
+        pc.puts(buf);
+    }
+
+    if((mlx.StartMeasurement())) {
+        pc.puts("err e4\r\n");
+        initFail++;
+    }
+    wait_ms(300);
+
+    if(initFail == 0) {
+        mlx.CalcTa_To();
+        Ta = mlx.GetDieTemp();
+        xsprintf(buf, "info Ta = %f\n\n", Ta);
+        pc.puts(buf);
+    } else {
+        pc.puts("err e5\r\n");
+    }
+    ShowTempsColor();
+
+    while (true) {
+        if(!(ShowTempsColor())) {
+            do {
+                wait_ms(1);
+            } while(ShowTempsColor() != 0);
+        }
+        
+        for(pixY = 0; pixY <= 3; pixY++) {
+            for(pixX = 0; pixX < 64; pixX = pixX + 4) {
+                int Pixel = pixY + pixX;
+                short VirPixelX = (RamBuf[Pixel * 2 + 1] << 8) + RamBuf[Pixel * 2];
+                xsprintf(buf, "info x:%d  y:%d  ea:%d  eb:%d  ed:%d  ra:%d\r\n", pixX, pixY, EEbuf[Pixel], EEbuf[Pixel + 0x40], EEbuf[Pixel + 0x80], VirPixelX);
+                pc.puts(buf);
+            }
+        }
+
+        ShowTempsVT100();
+        wait_ms(300);
+    }
+}