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davega_default_screen.cpp
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/*
Copyright 2018 Jan Pomikalek <[email protected]>
This file is part of the DAVEga firmware.
DAVEga firmware is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
DAVEga firmware is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with DAVEga firmware. If not, see <https://www.gnu.org/licenses/>.
*/
#include "davega_default_screen.h"
#include "davega_screen.h"
#include "davega_util.h"
#include "vesc_comm.h"
#include "tft_util.h"
#include <TFT_22_ILI9225.h>
#define BATTERY_INDICATOR_CELL_WIDTH 14
#define BATTERY_INDICATOR_CELL_HEIGHT 15
#define SPEED_INDICATOR_CELL_WIDTH 10
#define SPEED_INDICATOR_CELL_HEIGHT 11
#define LEN(X) (sizeof(X) / sizeof(X[0]))
typedef struct {
uint8_t x;
uint8_t y;
} Point;
const Point PROGMEM BATTERY_INDICATOR_CELLS[] = {
// left column
{0, 204}, {0, 187}, {0, 170}, {0, 153}, {0, 136},
{0, 119}, {0, 102}, {0, 85}, {0, 68}, {0, 51},
{0, 34}, {0, 17},
// top row
{0, 0}, {16, 0}, {32, 0}, {48, 0}, {64, 0},
{80, 0}, {96, 0}, {112, 0}, {128, 0}, {144, 0},
{160, 0},
// right column
{160, 17}, {160, 34}, {160, 51}, {160, 68}, {160, 85},
{160, 102}, {160, 119}, {160, 136}, {160, 153}, {160, 170},
{160, 187}, {160, 204},
};
const Point PROGMEM SPEED_INDICATOR_CELLS[] = {
// bottom-left row
{57, 151}, {41, 151}, {25, 151},
// left column
{25, 134}, {25, 117}, {25, 100}, {25, 84},
// top row
{25, 66}, {41, 66}, {57, 66}, {73, 66}, {90, 66},
{106, 66}, {122, 66}, {138, 66},
// right column
{138, 83}, {138, 100}, {138, 117}, {138, 134},
// bottom-right row
{138, 151}, {122, 151}, {106, 151},
};
void DavegaDefaultScreen::reset() {
_tft->fillRectangle(0, 0, _tft->maxX() - 1, _tft->maxY() - 1, COLOR_BLACK);
_draw_labels();
// draw FW version
_tft->setFont(Terminal6x8);
_tft->drawText(40, 140, _config->fw_version, COLOR_WHITE);
_just_reset = true;
}
void DavegaDefaultScreen::update(t_davega_data* data) {
char fmt[10];
if (data->vesc_fault_code != _last_fault_code)
reset();
// draw voltage
if (_config->per_cell_voltage)
dtostrf(data->voltage / _config->battery_cells, 4, 2, fmt);
else
dtostrf(data->voltage, 4, 1, fmt);
tft_util_draw_number(_tft, fmt, 24, 25, COLOR_WHITE, COLOR_BLACK, 2, 4);
// draw mah
dtostrf(data->mah, 5, 0, fmt);
tft_util_draw_number(_tft, fmt, 84, 25, progress_to_color(data->mah_reset_progress, _tft), COLOR_BLACK, 2, 4);
// draw trip distance
dtostrf(convert_distance(data->trip_km, _config->imperial_units), 5, 2, fmt);
tft_util_draw_number(_tft, fmt, 24, 185, progress_to_color(data->session_reset_progress, _tft), COLOR_BLACK, 2, 4);
// draw total distance
dtostrf(convert_distance(data->total_km, _config->imperial_units), 4, 0, fmt);
tft_util_draw_number(_tft, fmt, 98, 185, COLOR_WHITE, COLOR_BLACK, 2, 4);
// draw speed
uint8_t speed = round(convert_speed(data->speed_kph, _config->imperial_units));
if (speed >= 10)
tft_util_draw_digit(_tft, speed / 10, 60, 91, COLOR_WHITE, COLOR_BLACK, 7);
else
_tft->fillRectangle(60, 91, 82, 127, COLOR_BLACK);
tft_util_draw_digit(_tft, speed % 10, 89, 91, COLOR_WHITE, COLOR_BLACK, 7);
// draw warning
if (data->vesc_fault_code != FAULT_CODE_NONE) {
uint16_t bg_color = _tft->setColor(150, 0, 0);
_tft->fillRectangle(0, 60, 176, 83, bg_color);
_tft->setFont(Terminal12x16);
_tft->setBackgroundColor(bg_color);
_tft->drawText(5, 65, vesc_fault_code_to_string(data->vesc_fault_code), COLOR_BLACK);
_tft->setBackgroundColor(COLOR_BLACK);
}
_update_speed_indicator(data->speed_percent, _just_reset);
_update_battery_indicator(data->battery_percent, _just_reset);
_last_fault_code = data->vesc_fault_code;
_just_reset = false;
}
void DavegaDefaultScreen::heartbeat(uint32_t duration_ms, bool successful_vesc_read) {
uint16_t color = successful_vesc_read ? _tft->setColor(0, 150, 0) : _tft->setColor(150, 0, 0);
_tft->fillRectangle(85, 155, 89, 159, color);
delay(duration_ms);
_tft->fillRectangle(85, 155, 89, 159, COLOR_BLACK);
}
void DavegaDefaultScreen::_draw_labels() {
_tft->setFont(Terminal6x8);
_tft->drawText(36, 48, "VOLTS", COLOR_WHITE);
_tft->drawText(132, 48, "MAH", COLOR_WHITE);
_tft->drawText(90, 131, _config->imperial_units ? "MPH" : "KPH", COLOR_WHITE);
_tft->drawText(23, 175, "TRIP", COLOR_WHITE);
_tft->drawText(97, 175, "TOTAL", COLOR_WHITE);
if (_config->imperial_units) {
_tft->drawText(50, 208, "MILES", COLOR_WHITE);
_tft->drawText(119, 208, "MILES", COLOR_WHITE);
}
else {
_tft->drawText(70, 208, "KM", COLOR_WHITE);
_tft->drawText(139, 208, "KM", COLOR_WHITE);
}
}
bool DavegaDefaultScreen::_draw_battery_cell(int index, bool filled, bool redraw) {
uint16_t p_word = pgm_read_word_near(BATTERY_INDICATOR_CELLS + index);
Point *p = (Point *) &p_word;
if (filled || redraw) {
uint8_t cell_count = LEN(BATTERY_INDICATOR_CELLS);
uint8_t green = (uint8_t)(255.0 / (cell_count - 1) * index);
uint8_t red = 255 - green;
uint16_t color = _tft->setColor(red, green, 0);
_tft->fillRectangle(
p->x, p->y,
p->x + BATTERY_INDICATOR_CELL_WIDTH, p->y + BATTERY_INDICATOR_CELL_HEIGHT,
color
);
}
if (!filled) {
_tft->fillRectangle(
p->x + 1, p->y + 1,
p->x + BATTERY_INDICATOR_CELL_WIDTH - 1, p->y + BATTERY_INDICATOR_CELL_HEIGHT - 1,
COLOR_BLACK
);
}
}
void DavegaDefaultScreen::_update_battery_indicator(float battery_percent, bool redraw) {
int cells_to_fill = round(battery_percent * LEN(BATTERY_INDICATOR_CELLS));
if (redraw) {
for (int i = 0; i < LEN(BATTERY_INDICATOR_CELLS); i++)
_draw_battery_cell(i, i < cells_to_fill, true);
}
else {
if (cells_to_fill > _battery_cells_filled) {
for (int i = _battery_cells_filled; i < cells_to_fill; i++)
_draw_battery_cell(i, true);
}
if (cells_to_fill < _battery_cells_filled) {
for (int i = _battery_cells_filled - 1; i >= cells_to_fill; i--)
_draw_battery_cell(i, false);
}
}
_battery_cells_filled = cells_to_fill;
}
void DavegaDefaultScreen::_draw_speed_cell(int index, bool filled, bool redraw) {
uint16_t p_word = pgm_read_word_near(SPEED_INDICATOR_CELLS + index);
Point *p = (Point *) &p_word;
if (filled || redraw) {
_tft->fillRectangle(
p->x, p->y,
p->x + SPEED_INDICATOR_CELL_WIDTH, p->y + SPEED_INDICATOR_CELL_HEIGHT,
_tft->setColor(150, 150, 255)
);
}
if (!filled) {
_tft->fillRectangle(
p->x + 1, p->y + 1,
p->x + SPEED_INDICATOR_CELL_WIDTH - 1, p->y + SPEED_INDICATOR_CELL_HEIGHT - 1,
COLOR_BLACK
);
}
}
void DavegaDefaultScreen::_update_speed_indicator(float speed_percent, bool redraw) {
int cells_to_fill = round(speed_percent * LEN(SPEED_INDICATOR_CELLS));
if (redraw) {
for (int i = 0; i < LEN(SPEED_INDICATOR_CELLS); i++)
_draw_speed_cell(i, i < cells_to_fill, true);
}
else {
if (cells_to_fill > _speed_cells_filled) {
for (int i = _speed_cells_filled; i < cells_to_fill; i++)
_draw_speed_cell(i, true);
}
if (cells_to_fill < _speed_cells_filled) {
for (int i = _speed_cells_filled - 1; i >= cells_to_fill; i--)
_draw_speed_cell(i, false);
}
}
_speed_cells_filled = cells_to_fill;
}