L2SDP-998: add pps_error_cnt

src/fpga_map.cpp

@@ -291,6 +291,7 @@ FpgaMap::FpgaMap()
     pointMap->add_register("FPGA_pps_expected_cnt_RW",                          PPS_EXPECTED_CNT,                       nFpgas, 1, "RW", REG_FORMAT_UINT32);
     pointMap->add_register("FPGA_pps_present_R",                                PPS_PRESENT,                            nFpgas, 1, "RO", REG_FORMAT_BOOLEAN);
     pointMap->add_register("FPGA_pps_capture_cnt_R",                            PPS_CAPTURE_CNT,                        nFpgas, 1, "RO", REG_FORMAT_UINT32);
+    pointMap->add_register("FPGA_pps_error_cnt_R",                              PPS_ERROR_CNT,                          nFpgas, 1, "RO", REG_FORMAT_UINT32);
     pointMap->add_register("FPGA_monitor_pps_offset_time_R",                    MONITOR_PPS_OFFSET_TIME,                nFpgas, 1, "RO", REG_FORMAT_DOUBLE);
     pointMap->add_register("FPGA_time_since_last_pps_R",                        TIME_SINCE_LAST_PPS,                    nFpgas, 1, "RO", REG_FORMAT_DOUBLE);
 

src/periph/fpga.cpp

@@ -117,6 +117,7 @@ Periph_fpga::Periph_fpga(uint global_nr, string ipaddr, uint udpport, uint n_fil
                                                                                                              pps_expected_cnt(0),
                                                                                                              pps_present(false),
                                                                                                              pps_capture_cnt(0),
+                                                                                                             pps_error_cnt(0),
                                                                                                              xst_ring_rx_bsn{0},
                                                                                                              xst_ring_rx_nof_packets{0},
                                                                                                              xst_ring_rx_nof_valid{0},
@@ -248,6 +249,7 @@ bool Periph_fpga::clear_fw_values()
     pps_expected_cnt = 0;
     pps_present = false;
     pps_capture_cnt = 0;
+    pps_error_cnt = 0;
     xst_aligned_bsn = 0;
     xst_aligned_nof_packets = 0;
     xst_aligned_nof_valid = 0;
@@ -401,6 +403,9 @@ bool Periph_fpga::read(char *data, const uint32_t cmd_id)
     case PPS_CAPTURE_CNT:
         retval = read_pps_capture_cnt(data, R_MEM);
         break;
+    case PPS_ERROR_CNT:
+        retval = read_pps_error_cnt(data);
+        break;
     case TIME_SINCE_LAST_PPS:
         retval = read_time_since_last_pps(data);
         break;
@@ -3819,11 +3824,13 @@ bool Periph_fpga::read_pps_capture_cnt(char *data, int mode)
         retval = Read("mm/0/PIO_PPS/0/capture_cnt", &sdp_data);
         pps_capture_cnt = sdp_data;
         // check if capture count is as expected, and set pps_present
-        pps_present = false;
-        if (pps_capture_cnt == pps_expected_cnt)
-        {
+        if (pps_capture_cnt == pps_expected_cnt) {
             pps_present = true;
         }
+        else {
+            pps_present = false;
+            pps_error_cnt++;
+        }
     }
 
     uint32_t *_ptr = (uint32_t *)data;
@@ -3831,6 +3838,14 @@ bool Periph_fpga::read_pps_capture_cnt(char *data, int mode)
     return retval;
 }
 
+bool Periph_fpga::read_pps_error_cnt(char *data)
+{
+    bool retval = true;
+    uint32_t *_ptr = (uint32_t *)data;
+    *_ptr = pps_error_cnt;
+    return retval;
+}
+
 bool Periph_fpga::read_time_since_last_pps(char *data)
 {
     bool retval = true;

src/periph/fpga.h

@@ -57,8 +57,9 @@
 #define PPS_PRESENT 100
 #define PPS_EXPECTED_CNT 101
 #define PPS_CAPTURE_CNT 102
-#define TIME_SINCE_LAST_PPS 103
-#define MONITOR_PPS_OFFSET_TIME 104
+#define PPS_ERROR_CNT 103
+#define TIME_SINCE_LAST_PPS 104
+#define MONITOR_PPS_OFFSET_TIME 105
 #define PROCESSING_ENABLE 110
 #define SIGNAL_INPUT_BSN 120
 #define SIGNAL_INPUT_NOF_BLOCKS 121
@@ -271,6 +272,7 @@ private:
     uint32_t pps_expected_cnt;
     bool pps_present;
     uint32_t pps_capture_cnt;
+    uint32_t pps_error_cnt;
     int64_t xst_ring_rx_bsn[C_N_pn_max];
     int32_t xst_ring_rx_nof_packets[C_N_pn_max];
     int32_t xst_ring_rx_nof_valid[C_N_pn_max];
@@ -489,6 +491,7 @@ private:
     bool write_pps_expected_cnt(const char *data);
     bool read_pps_present(char *data, int mode);
     bool read_pps_capture_cnt(char *data, int mode);
+    bool read_pps_error_cnt(char *data);
     bool read_time_since_last_pps(char *data);
     bool read_monitor_pps_offset_time(char *data, int mode);
     bool write_wdi_override(char *data);