Files
bobbycar-boardcomputer-firm…/main/displays/batterygraphdisplay.cpp
2023-08-13 20:37:50 +02:00

96 lines
3.2 KiB
C++

#include "batterygraphdisplay.h"
constexpr const char * const TAG = "BatteryGraphDisplay";
// 3rdparty lib includes
#include <screenmanager.h>
#include <tftcolors.h>
// local includes
#include "battery.h"
#include "displays/menus/batterymenu.h"
#include "globals.h"
#include "newsettings.h"
#include "utils.h"
#include "actions/bluetoothbeginmasteraction.h"
namespace {
constexpr char TEXT_BATTERY_GRAPH[] = "Battery Level";
constexpr const uint8_t TOP_OFFSET = 40;
} // namespace
void BatteryGraphDisplay::initScreen(espgui::TftInterface &tft)
{
Base::initScreen(tft);
drawBatteryCurve();
}
std::string BatteryGraphDisplay::title() const
{
if (const auto avgVoltage = controllers.getAvgVoltage(); avgVoltage)
{
return fmt::format("{} ({:.1f}%)", TEXT_BATTERY_GRAPH, getBatteryPercentage(*avgVoltage, configs.battery.cellType.value()));
}
return TEXT_BATTERY_GRAPH;
}
void BatteryGraphDisplay::redraw(espgui::TftInterface &tft)
{
using namespace espgui;
Base::redraw(TFT);
if (const auto avgVoltage = controllers.getAvgVoltage(); avgVoltage)
{
if (*avgVoltage == m_lastBatVoltage)
return;
const auto cellType = configs.battery.cellType.value();
const float onePercent = (tft.width() - 4) / 100.f;
const auto percentage = getBatteryPercentage(*avgVoltage, cellType);
const uint16_t xOffset = onePercent * (100 - percentage);
const uint16_t lastXOffset = onePercent * (100 - getBatteryPercentage(m_lastBatVoltage, cellType));
// clear the old one and draw the new one
tft.fillRect(lastXOffset + 2, TOP_OFFSET, onePercent, tft.height() - TOP_OFFSET, espgui::TFT_BLACK);
tft.fillRect(xOffset + 2, TOP_OFFSET, onePercent, tft.height() - TOP_OFFSET, espgui::TFT_WHITE);
m_lastBatVoltage = *avgVoltage;
drawBatteryCurve();
}
// tft.drawLine() code
}
void BatteryGraphDisplay::buttonPressed(espgui::Button button)
{
Base::buttonPressed(button);
switch (button)
{
using espgui::Button;
case Button::Left:
case Button::Right:
espgui::popScreen();
break;
default:;
}
}
void BatteryGraphDisplay::drawBatteryCurve()
{
const auto points = count_curve_points(configs.battery.cellType.value());
const auto max_height = tft.height() - 1;
const auto max_width = tft.width() - 4;
const uint16_t part = max_width / points;
const auto min_voltage = getMinBatCellVoltage(configs.battery.cellType.value());
const auto max_voltage = getMaxBatCellVoltage(configs.battery.cellType.value());
for (uint8_t i = 0; points >= i; i++) {
// draw lines between point->minVoltage and point->maxVoltage from left to right
if (const auto point = get_point_n_voltages(configs.battery.cellType.value(), points - i); point)
{
const int x1 = 2 + part * (points - i + 1);
const int y1 = float_map(point->minVoltage / 100.f, min_voltage, max_voltage, max_height, TOP_OFFSET);
const int x2 = 2 + part * (points - i);
const int y2 = float_map(point->maxVoltage / 100.f, min_voltage, max_voltage, max_height, TOP_OFFSET);
tft.drawLine(x1, y1, x2, y2, espgui::TFT_WHITE);
}
}
}