data.c: Store cell count and system status into variable array

Make it possible to reference this information via the variable
array. This makes it possible to for example have the log file name to
contain the number of battery cells and charger state.

Signed-off-by: Timo Kokkonen <timo.t.kokkonen@iki.fi>

diff --git a/data.c b/data.c
index 0db2394..c577a6e 100644 (file)
--- a/data.c
+++ b/data.c
@@ -123,6 +123,9 @@ static int parse_logline(const char *buf, struct charger_data *data)
        for (j = 0; j < max_cells; j++, i++) {
                d = atoi(entries[i]);
                ASSIGN_OR_NAN(data->cell_voltage[j], d / 1000.0);
+
+               if (d)
+                       data->cell_count++;
        }
 
        d = atoi(entries[i++]);
@@ -325,6 +328,12 @@ static int read_data(struct eventhandler_entry *h)
                return 0;
 
        if (state_has_changed()) {
+               store_str_variable_value_to_array("status",
+                       state_to_str(plotter_state.system_status), dt->cfg);
+
+               store_int_variable_value_to_array("cell_count",
+                                               data.cell_count, dt->cfg);
+
                ret = open_new_logfile(dt, data.channel);
                if (ret < 0)
                        return ret;

diff --git a/data.h b/data.h
index b9c04c9..0906e4c 100644 (file)
--- a/data.h
+++ b/data.h
@@ -12,6 +12,7 @@ struct charger_data {
        double input_voltage;
        double charging_voltage;
        double charging_current;
+       int cell_count;
        double cell_voltage[MAX_CELLS];
 
        double total_charge;    /* mAh */