detectors/slsDetectorPackage
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maliakal_d
2018-12-12 11:20:27 +01:00
parent 87f7563035
commit 79693a38f5
27 changed files with 1044 additions and 730 deletions
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48
slsDetectorServers/slsDetectorServer/commonServerFunctions.h
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@ -2,21 +2,21 @@
#include "blackfin.h"
void SPIChipSelect (uint32_t* valw, uint32_t addr, uint32_t csmask) {
void SPIChipSelect (uint32_t* valw, uint32_t addr, uint32_t csmask, uint32_t clkmask, uint32_t digoutmask) {
// start point
(*valw) = 0xffffffff; // old board compatibility (not using specific bits)
(*valw) = (bus_r(addr) | csmask | clkmask &~(digoutmask));
bus_w (addr, (*valw));
// chip sel bar down
(*valw) &= ~csmask; /* todo with test: done a bit different, not with previous value */
(*valw) &= ~csmask;
bus_w (addr, (*valw));
}
void SPIChipDeselect (uint32_t* valw, uint32_t addr, uint32_t csmask, uint32_t clkmask) {
// chip sel bar up
(*valw) |= csmask; /* todo with test: not done for spi */
(*valw) |= csmask;
bus_w (addr, (*valw));
//clk down
@ -24,8 +24,8 @@ void SPIChipDeselect (uint32_t* valw, uint32_t addr, uint32_t csmask, uint32_t
bus_w (addr, (*valw));
// stop point = start point of course
(*valw) = 0xffffffff; // old board compatibility (not using specific bits)
bus_w (addr, (*valw));
(*valw) |= csmask;
bus_w (addr, (*valw)); //FIXME: for ctb slow adcs, might need to set it to low again
}
void sendDataToSPI (uint32_t* valw, uint32_t addr, uint32_t val, int numbitstosend, uint32_t clkmask, uint32_t digoutmask, int digofset) {
@ -47,6 +47,24 @@ void sendDataToSPI (uint32_t* valw, uint32_t addr, uint32_t val, int numbitstose
}
}
uint32_t receiveDataFromSPI (uint32_t* valw, uint32_t addr, int numbitstoreceive, uint32_t clkmask, uint32_t readaddr) {
uint32_t retval = 0;
int i = 0;
for (i = 0; i < numbitstoreceive; ++i) {
// clk down
(*valw) &= ~clkmask;
bus_w (addr, (*valw));
// read data (i)
retval |= ((bus_r(readaddr) & 0x1) << (numbitstoreceive - 1 - i));
// clk up
(*valw) |= clkmask ;
bus_w (addr, (*valw));
}
return retval;
}
void serializeToSPI(uint32_t addr, uint32_t val, uint32_t csmask, int numbitstosend, uint32_t clkmask, uint32_t digoutmask, int digofset) {
if (numbitstosend == 16) {
@ -62,3 +80,21 @@ void serializeToSPI(uint32_t addr, uint32_t val, uint32_t csmask, int numbitstos
SPIChipDeselect(&valw, addr, csmask, clkmask);
}
uint32_t serializeFromSPI(uint32_t addr, uint32_t csmask, int numbitstoreceive, uint32_t clkmask, uint32_t digoutmask, uint32_t readaddr) {
uint32_t valw;
SPIChipSelect (&valw, addr, csmask, clkmask, digoutmask);
uint32_t retval = receiveDataFromSPI(&valw, addr, numbitstoreceive, clkmask, readaddr);
SPIChipDeselect(&valw, addr, csmask, clkmask);
if (numbitstoreceive == 16) {
FILE_LOG(logDEBUG1, ("Read From SPI Register: 0x%04x\n", retval));
} else {
FILE_LOG(logDEBUG1, ("Read From SPI Register: 0x%08x\n", retval));
}
return retval;
}