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White Rabbit Switch - Software
Commit 9adc82e1 authored by José López Jiménez's avatar José López Jiménez
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Created user tool to control holdover

parent faf5f7a0
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userspace/tools/Makefile
View file @ 9adc82e1
......@@ -12,6 +12,7 @@ TOOLS += wrs_sfp_dump
TOOLS += wrs_throttling
TOOLS += wrs_spll_tune
TOOLS += csac-uart
TOOLS += wrs_ho_ctrl
PPSI_CONFIG = ../ppsi/include/generated/autoconf.h
WR_INSTALL_ROOT ?= /usr/lib/white-rabbit
......
userspace/tools/wrs_ho_ctrl.c 0 → 100644
View file @ 9adc82e1
#include <signal.h>
#include <stddef.h>
#include <stdio.h>
#include <sys/types.h>
#include <stdlib.h>
#include <ctype.h>
#include <strings.h>
#include <time.h>
#include <getopt.h>
#include <libwr/shw_io.h>
#include "fpga_io.h"
#include <libwr/switch_hw.h>
#define SPLL_WB_BASE 0x10300
#define SPLL_HO_CR 0x54
#define SPLL_HO_RATE 0x58
#define SPLL_FUNC_SEL_MSK 0x00000F00
#define SPLL_LRN_EN_MSK 0x00000010
#define SPLL_HO_EN_MSK 0x00000001
#define HO_ON 1
#define HO_OFF 0
#define LRN_ON 1
#define LRN_OFF 0
void error(char *msg)
{
perror(msg);
exit(0);
}
void printHelp(char *name)
{
printf("WRS Holdover tool\n\n");
printf("This is a tool to allow the user to control the WRITE holdover parameters:\n");
printf(" - Select holdover function\n");
printf(" - Select rate of data acquisition\n");
printf(" - Enable/disable learning\n");
printf(" - Enable/disable holdover\n\n");
printf("Usage: %s --func [0-15] : selects holdover function to be used.\n",name);
printf(" %s --rate [rate] : determines that 1 out of [rate] datapoints will be \n",name);
printf(" included in the circular buffers\n");
printf(" %s --learn [on/off] : determines if the circular buffers are being updated.\n",name);
printf(" %s --active [on/off] : determines if the holdover estimation is governing the clock output.\n",name);
exit(0);
}
void sigintHandler(int sig_num)
{
exit(0);
}
int set_function(int value)
{
// Sanitize input arg:
if(value > 15 || value < 0)
{
printf("Introduced func %d out of range. Function must be in the range [0-15].\n",value);
printf("Exit without change.\n");
return -1;
}
uint32_t tmp = _fpga_readl(SPLL_WB_BASE+SPLL_HO_CR);
tmp = tmp | (~SPLL_FUNC_SEL_MSK);
tmp = tmp | (value << 8);
_fpga_writel(SPLL_WB_BASE+SPLL_HO_CR,tmp);
return 0;
}
int set_rate(int value)
{
_fpga_writel(SPLL_WB_BASE+SPLL_HO_RATE, value);
return 0;
}
int set_learning(int value)
{
uint32_t tmp = _fpga_readl(SPLL_WB_BASE+SPLL_HO_CR)
if(value==1)
{
_fpga_writel(SPLL_WB_BASE+SPLL_HO_CR, tmp | SPLL_LRN_EN_MSK);
return 0;
}else if(value==0){
_fpga_writel(SPLL_WB_BASE+SPLL_HO_CR, tmp & (~SPLL_LRN_EN_MSK));
return 0;
}else{
return -1;
}
}
int set_holdover(int value)
{
uint32_t tmp = _fpga_readl(SPLL_WB_BASE+SPLL_HO_CR)
if(value==1)
{
_fpga_writel(SPLL_WB_BASE+SPLL_HO_CR, tmp | SPLL_HO_EN_MSK);
return 0;
}else if(value==0){
_fpga_writel(SPLL_WB_BASE+SPLL_HO_CR, tmp & (~SPLL_HO_EN_MSK));
return 0;
}else{
return -1;
}
}
int main(int argc, char *argv[])
{
int c = 0;
int option_index = 0;
int value = 0;
int ret = -1
char s_status[4];
static struct option long_options[] =
{
{"help", no_argument, 0, 'h'},
{"func", required_argument, 0, 'f'},
{"rate", required_argument, 0, 'r'},
{"learn", required_argument, 0, 'l'},
{"active", required_argument, 0, 'a'},
{0,0,0,0}
};
while ((c = getopt_long(argc, argv, "hf:r:l:a:",long_options, &option_index)) != -1)
{
switch (c)
{
case 'h':
printHelp(argv[0]);
break;
case 'f':
value = atoi(optarg);
ret = set_function(value);
break;
case 'r':
value = atoi(optarg);
ret = set_rate(value);
break;
case 'l':
strcpy(s_status, optarg);
if(!strcasecmp(s_status,"on"))
{
ret = set_learning(LRN_ON)
break;
}
else if(!strcasecmp(s_status,"off"))
{
ret = set_learning(LRN_OFF)
break;
}
break;
case 'a':
strcpy(s_status, optarg);
if(!strcasecmp(s_status,"on"))
{
ret = set_holdover(HO_ON);
break;
}
else if(!strcasecmp(s_status,"off"))
{
ret = set_holdover(HO_OFF)
break;
}
break;
case '?':
printHelp(argv[0]);
break;
default:
abort();
}
}
shw_fpga_mmap_init();
return ret;
}
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