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ctb server: fixed dacs, power regulators and vchip

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This commit is contained in:
maliakal_d
2019-02-15 17:08:49 +01:00
parent 4a8a72c447
commit c93f88b7e5
5 changed files with 74 additions and 33 deletions
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30
slsDetectorServers/slsDetectorServer/commonServerFunctions.h
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@ -3,51 +3,70 @@
#include "blackfin.h"
void SPIChipSelect (uint32_t* valw, uint32_t addr, uint32_t csmask, uint32_t clkmask, uint32_t digoutmask) {
FILE_LOG(logDEBUG2, ("SPI chip select. valw:0x%08x addr:0x%x csmask:0x%x, clkmask:0x%x digmask:0x%x\n",
*valw, addr, csmask, clkmask, digoutmask));
// start point
(*valw) = ((bus_r(addr) | csmask | clkmask) &(~digoutmask));
bus_w (addr, (*valw));
FILE_LOG(logDEBUG2, ("startpoint. valw:0x%08x\n", *valw));
// chip sel bar down
(*valw) &= ~csmask;
bus_w (addr, (*valw));
FILE_LOG(logDEBUG2, ("chip sel bar down. valw:0x%08x\n", *valw));
}
void SPIChipDeselect (uint32_t* valw, uint32_t addr, uint32_t csmask, uint32_t clkmask) {
FILE_LOG(logDEBUG2, ("SPI chip deselect. valw:0x%08x addr:0x%x csmask:0x%x, clkmask:0x%x\n",
*valw, addr, csmask, clkmask));
// chip sel bar up
(*valw) |= csmask;
bus_w (addr, (*valw));
FILE_LOG(logDEBUG2, ("chip sel bar up. valw:0x%08x\n", *valw));
//clk down
(*valw) &= ~clkmask;
bus_w (addr, (*valw));
FILE_LOG(logDEBUG2, ("clk down. valw:0x%08x\n", *valw));
// stop point = start point of course
(*valw) |= csmask;
bus_w (addr, (*valw)); //FIXME: for ctb slow adcs, might need to set it to low again
FILE_LOG(logDEBUG2, ("stop point. valw:0x%08x\n", *valw));
}
void sendDataToSPI (uint32_t* valw, uint32_t addr, uint32_t val, int numbitstosend, uint32_t clkmask, uint32_t digoutmask, int digofset) {
FILE_LOG(logDEBUG2, ("SPI send data. valw:0x%08x addr:0x%x val:0x%x, numbitstosend:%d, clkmask:0x%x digmask:0x%x digofst:%d\n",
*valw, addr, val, numbitstosend, clkmask, digoutmask, digofset));
int i = 0;
for (i = 0; i < numbitstosend; ++i) {
// clk down
(*valw) &= ~clkmask;
bus_w (addr, (*valw));
FILE_LOG(logDEBUG2, ("clk down. valw:0x%08x\n", *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));
FILE_LOG(logDEBUG2, ("write data %d. valw:0x%08x\n", i, *valw));
// clk up
(*valw) |= clkmask ;
bus_w (addr, (*valw));
FILE_LOG(logDEBUG2, ("clk up. valw:0x%08x\n", *valw));
}
}
uint32_t receiveDataFromSPI (uint32_t* valw, uint32_t addr, int numbitstoreceive, uint32_t clkmask, uint32_t readaddr) {
FILE_LOG(logDEBUG2, ("SPI send data. valw:0x%08x addr:0x%x numbitstoreceive:%d, clkmask:0x%x readaddr:0x%x \n",
*valw, addr, numbitstoreceive, clkmask, readaddr));
uint32_t retval = 0;
int i = 0;
for (i = 0; i < numbitstoreceive; ++i) {
@ -55,22 +74,25 @@ uint32_t receiveDataFromSPI (uint32_t* valw, uint32_t addr, int numbitstoreceive
// clk down
(*valw) &= ~clkmask;
bus_w (addr, (*valw));
FILE_LOG(logDEBUG2, ("clk down. valw:0x%08x\n", *valw));
// read data (i)
retval |= ((bus_r(readaddr) & 0x1) << (numbitstoreceive - 1 - i));
FILE_LOG(logDEBUG2, ("read data %d. retval:0x%08x\n", i, retval));
// clk up
(*valw) |= clkmask ;
bus_w (addr, (*valw));
FILE_LOG(logDEBUG2, ("clk up. valw:0x%08x\n", *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) {
FILE_LOG(logDEBUG1, ("Writing to SPI Register: 0x%04x\n", val));
FILE_LOG(logDEBUG2, ("Writing to SPI Register: 0x%04x\n", val));
} else {
FILE_LOG(logDEBUG1, ("Writing to SPI Register: 0x%08x\n", val));
FILE_LOG(logDEBUG2, ("Writing to SPI Register: 0x%08x\n", val));
}
uint32_t valw;
@ -92,9 +114,9 @@ uint32_t serializeFromSPI(uint32_t addr, uint32_t csmask, int numbitstoreceive,
SPIChipDeselect(&valw, addr, csmask, clkmask);
if (numbitstoreceive == 16) {
FILE_LOG(logDEBUG1, ("Read From SPI Register: 0x%04x\n", retval));
FILE_LOG(logDEBUG2, ("Read From SPI Register: 0x%04x\n", retval));
} else {
FILE_LOG(logDEBUG1, ("Read From SPI Register: 0x%08x\n", retval));
FILE_LOG(logDEBUG2, ("Read From SPI Register: 0x%08x\n", retval));
}
return retval;
}