ConfigPar.cpp

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#include <stdint.h>
#include <math.h>
 
#include "ConfigPar.h"
#include "asprintf.h"
#include "imath.h"
 
void ConfigPar::adjust(int16_t delta) const {
    switch (var.type) {
        case ConfigParType::ui8:
            *var.ui8 += delta;
            return;
        case ConfigParType::ui16:
            *var.ui16 += delta;
            return;
        case ConfigParType::d:
            *var.d += static_cast<double>(delta) / ipow(10, NUM_DECIMALS);
            return;
    }
}
 
char *ConfigPar::asprint() const {
    switch (var.type) {
        case ConfigParType::ui8:
            return asprintf("%-8s % " XSTR(WIDTH) "u", label, *var.ui8);
        case ConfigParType::ui16:
            return asprintf("%-8s % " XSTR(WIDTH) "u", label, *var.ui16);
        case ConfigParType::d:
            return asprintf("%-8s % " XSTR(WIDTH) "." XSTR(NUM_DECIMALS) "f", label, *var.d);
    }
}
 
uint8_t ConfigPar::magnitude() const {
    auto mag = [](auto n) -> uint8_t {return floor(ilog10(floor(abs(n))));};
 
    switch (var.type) {
        case ConfigParType::ui8:
            return mag(*var.ui8);
        case ConfigParType::ui16:
            return mag(*var.ui16);
        case ConfigParType::d:
            return mag(*var.d);
    }
}