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Added Backend board FPGA temperature support

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This commit is contained in:
l_brueckner_m
2015-04-20 18:20:02 +02:00
parent ee0c6c4a05
commit 39cd82f0b8
9 changed files with 51 additions and 6 deletions
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32
slsDetectorSoftware/eigerDetectorServer/Beb.c
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@ -609,3 +609,35 @@ int Beb_Test(unsigned int beb_number){
return 1;
}
// Returns the FPGA temperature from the xps sysmon ip core
// Temperature value is cropped and not well rounded
int Beb_GetBebFPGATemp()
{
int temperature=0;
volatile u_int32_t *ptr1;
int fd;
fd = open("/dev/mem", O_RDWR | O_SYNC, 0);
if (fd == -1)
{
printf("\nCan't find /dev/mem!\n");
return 0;
}
u_int32_t CSP0BASE = (u_int32_t)mmap(0, 0x1000, PROT_READ|PROT_WRITE, MAP_FILE|MAP_SHARED, fd, XPAR_SYSMON_0_BASEADDR );
if (CSP0BASE == (u_int32_t)MAP_FAILED)
{
printf("\nCan't map memmory area!!\n");
return 0;
}
ptr1=(u_int32_t*)(CSP0BASE + 0x200); // temperature register in xps sysmon core is at 0x200
close(fd);
temperature = ((((float)(*ptr1)/65536.0f)/0.00198421639f ) - 273.15f); // Static conversation, copied from xps sysmon standalone driver
return temperature;
}