some changes in the moench executables

slsDetectorSoftware/jctbDetectorServer/commonServerFunctions.h

@@ -0,0 +1,73 @@
+#ifndef COMMON_SERVER_FUNCTIONS_H
+#define COMMON_SERVER_FUNCTIONS_H
+
+#ifndef GOTTHARDD	//gotthard already had bus_w etc defined in its firmware_funcs.c (not yet made with common files)
+#include "blackfin.h"
+#endif
+
+/* global variables */
+
+void SPIChipSelect (u_int32_t* valw, u_int32_t addr,  u_int32_t csmask) {
+
+    // start point
+    (*valw) = 0xffffffff;          // old board compatibility (not using specific bits)
+    bus_w (addr, (*valw));
+
+    // chip sel bar down
+    (*valw) &= ~csmask;            /* todo with test: done a bit different, not with previous value */
+    bus_w (addr, (*valw));
+}
+
+
+void SPIChipDeselect (u_int32_t* valw, u_int32_t addr,  u_int32_t csmask, u_int32_t clkmask) {
+    // chip sel bar up
+    (*valw) |= csmask; /* todo with test: not done for spi */
+    bus_w (addr, (*valw));
+
+    //clk down
+    (*valw) &= ~clkmask;
+    bus_w (addr, (*valw));
+
+    // stop point = start point of course
+    (*valw) = 0xffffffff;              // old board compatibility (not using specific bits)
+    bus_w (addr, (*valw));
+}
+
+void sendDataToSPI (u_int32_t* valw, u_int32_t addr, u_int32_t val, int numbitstosend, u_int32_t clkmask, u_int32_t digoutmask, int digofset) {
+    int i = 0;
+    for (i = 0; i < numbitstosend; ++i) {
+
+        // clk down
+        (*valw) &= ~clkmask;
+        bus_w (addr, (*valw));
+
+        // write data (i)
+        (*valw) = (((*valw) & ~digoutmask) +                                      // unset bit
+                (((val >> (numbitstosend - 1 - i)) & 0x1) << digofset));    // each bit from val starting from msb
+        bus_w (addr, (*valw));
+
+        // clk up
+        (*valw) |= clkmask ;
+        bus_w (addr, (*valw));
+    }
+}
+
+
+void serializeToSPI(u_int32_t addr, u_int32_t val, u_int32_t csmask, int numbitstosend, u_int32_t clkmask, u_int32_t digoutmask, int digofset) {
+#ifdef VERBOSE
+    if (numbitstosend == 16)
+        printf("Writing to SPI Register: 0x%04x\n",val);
+    else
+        printf("Writing to SPI Register: 0x%08x\n", val);
+#endif
+
+    u_int32_t valw;
+
+    SPIChipSelect (&valw, addr, csmask);
+
+    sendDataToSPI(&valw, addr, val, numbitstosend, clkmask, digoutmask, digofset);
+
+    SPIChipDeselect(&valw, addr, csmask, clkmask);
+}
+
+#endif	//COMMON_SERVER_FUNCTIONS_H