WebSVN - NaviCtrl - Diff - Rev 153 and 154

 #include "fat16.h"
 #include "usb.h"
 #include "sdc.h"
 #include "logging.h"
 #include "settings.h"
+#include "config.h"
 #include "main.h"
 u32 TimerCheckError;
 u32 ErrorCode = 0;
                 StopNavigation = 0;
                 LED_RED_OFF;
+        }
+}
+// the handler will be cyclic called by the timer 1 ISR
+// used is for critical timing parts that normaly would handled
+// within the main loop that could block longer at logging activities
+void EXTIT3_IRQHandler(void)
+{
+        VIC_ITCmd(EXTIT3_ITLine,DISABLE); // disable irq
+        I2C1_UpdateCompass();   // update compass communication
+        UART0_ProcessRxData();  // process request
+        UART1_ProcessRxData();  // process request
+        USB_ProcessRxData();    // process request
+        SPI0_UpdateBuffer();    // handle new SPI Data
+        Analog_Update();                // get new ADC values
+        VIC_SWITCmd(EXTIT3_ITLine,DISABLE); // clear pending bit
         VIC_ITCmd(EXTIT3_ITLine, ENABLE); // enable irq
+}
 //----------------------------------------------------------------------------------------------------
+        }
         UART0_GetMKOSDVersion();
+        UART1_PutString("\r\n---------------------------------------------\r\n\r\n");
+        // ---------- Prepare the isr driven
+        // set to absolute lowest priority
+    VIC_Config(EXTIT3_ITLine, VIC_IRQ, PRIORITY_SW);
+        // enanble interrupts
-        UART1_PutString("\r\n---------------------------------------------\r\n\r\n");
+    VIC_ITCmd(EXTIT3_ITLine, ENABLE);
-        for (;;)
-        {
-                UART1_ProcessRxData();  // process request
                 UART1_TransmitTxData(); // send answer
-                UART0_ProcessRxData();  // process request
+        for (;;) // the endless main loop
                 UART0_TransmitTxData(); // send answer
-                USB_ProcessRxData();    // process request
-                USB_TransmitTxData();   // send answer
-                SPI0_UpdateBuffer();    // handle new SPI Data
+                UART0_TransmitTxData(); // send answer
                 UART1_TransmitTxData(); // send answer
-                //I2C1_UpdateCompass(); moved to Timer1 ISR to avoid timing problems
+                USB_TransmitTxData();   // send answer
                 // ---------------- Error Check Timing ----------------------------
                         else NCFlags &= ~NC_FLAG_NOSERIALLINK;
+                }
                 // ---------------- Logging  ---------------------------------------
                 Logging_Update();  // could be block some time for at max. 2 seconds, therefore move time critical part of the mainloop into the ISR of timer 1
                 // ---------------- ADC readings -----------------------------------
-                Analog_Update();
+        }
+}

Subversion Repositories NaviCtrl

(root)/tags/V0_24e/main.c @ 313 - Rev 153 → 154