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ESP_Solar_Monitor/src/display.cpp

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/*
; Project: ESP GLCD SOLAR MONITOR
; Date: 3rd Sep 2022
;
; (C) 2022 Carsten Schmiemann
;
; Permission is hereby granted, free of charge, to any person obtaining a copy
; of this software and associated documentation files (the "Software"), to deal
; in the Software without restriction, including without limitation the rights
; to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
; copies of the Software, and to permit persons to whom the Software is
; furnished to do so, subject to the following conditions:
;
; The above copyright notice and this permission notice shall be included in
; all copies or substantial portions of the Software.
;
; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
; IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
; FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
; AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
; LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
; OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
; THE SOFTWARE.
*/
#include <logger.h>
#include <Wire.h>
#include <U8g2lib.h>
#include <display.h>
#include <lang.h>
#include <screens.h>
#include <pins.h>
//U8G2_SSD1306_128X64_VCOMH0_F_HW_I2C display(U8G2_R0, OLED_RST, OLED_SCL, OLED_SDA); OLED on TTGO
U8G2_ST7920_128X64_F_HW_SPI display(U8G2_R2, LCD_CS, U8X8_PIN_NONE);
//U8G2_ST7920_128X64_F_2ND_HW_SPI display(U8G2_R2, LCD_CS, U8X8_PIN_NONE);
//U8G2_ST7920_128X64_F_SW_SPI display(U8G2_R2, LCD_E_SCLK, LCD_RW_SI, LCD_CS, U8X8_PIN_NONE);
char* title_pv;
char* title_battery;
char* title_grid;
bool pv_charging = false;
bool show_temp_outside;
bool show_time_display;
bool show_pv_chg_screen;
bool show_graph_screen;
bool show_stats_screen;
int time_hour;
int time_minute;
float temperature_outside;
char* screenbuffer;
void display_setup(char lang[2], bool show_temp, bool show_time, bool dc_pv_charger, bool show_graph, bool show_stats) {
show_temp_outside = show_temp;
show_time_display = show_time;
show_pv_chg_screen = dc_pv_charger;
show_graph_screen = show_graph;
show_stats_screen = show_stats;
set_display_language(lang);
}
void display_temp_outside(float mqtt_temp_outside) {
temperature_outside = mqtt_temp_outside;
}
void display_time(int hour, int minute) {
time_hour = hour;
time_minute = minute;
}
void display_begin() {
display.begin();
}
void display_init(char* VERSION) {
display.firstPage();
do {
display_logo();
display.drawStr(0,52,"by Carsten Schmiemann");
display.drawStr(20,60, "(C) 2022");
display.drawStr(76,60, VERSION);
} while ( display.nextPage() );
}
void display_logo() {
display.setFont(u8g2_font_10x20_tr);
display.drawStr(0,20,"PV Monitor");
display.drawStr(48,35,"Project");
display.setFont(u8g2_font_6x10_tr);
}
void display_logo_small() {
display.setFont(u8g2_font_6x10_tr);
display.drawStr(10,7,"PV Monitor Project");
display.drawLine(0, 10, 128, 10);
}
void display_text(char* TEXT1, char* TEXT2) {
display.firstPage();
do {
display_logo();
display.drawStr(0,52, TEXT1);
display.drawStr(0,60, TEXT2);
} while ( display.nextPage() );
}
void display_text_fullscreen(char* TEXT1, char* TEXT2, char* TEXT3, char* TEXT4, char* TEXT5, char* TEXT6) {
display.firstPage();
do {
display_logo_small();
display.drawStr(0,20, TEXT1);
display.drawStr(0,28, TEXT2);
display.drawStr(0,36, TEXT3);
display.drawStr(0,44, TEXT4);
display.drawStr(0,52, TEXT5);
display.drawStr(0,60, TEXT6);
} while ( display.nextPage() );
}
void display_header(char* TEXT) {
display.setFont(u8g2_font_6x10_tr);
display.drawStr(2,7,TEXT);
display.drawLine(0, 8, 128, 8);
if (show_time_display)
{
display.drawLine(94, 0, 94, 8);
display.setCursor(97,7);
if (time_hour < 10) {
display.print("0");
}
display.print(time_hour); display.print(":");
if (time_minute < 10) {
display.print("0");
}
display.print(time_minute);
if (show_temp_outside)
{
display.drawLine(58, 0, 58, 8);
if (temperature_outside < 10)
{
display.setCursor(68,7);
}
else
{
display.setCursor(62,7);
}
display.print(temperature_outside,1); display.print("C");
}
}
else if (show_temp_outside)
{
display.drawLine(93, 0, 93, 8);
if (temperature_outside < 10)
{
display.setCursor(103,7);
}
else
{
display.setCursor(97,7);
}
display.print(temperature_outside,1); display.print("C");
}
}
//PV Charger
void display_screen_pv(float pv_voltage, float pv_wattage, float battery_voltage, float pv_amps, float pv_kwh)
{
logPrintlnD("Refresh PV_Charger display values...");
display.firstPage();
do {
display_header(title_pv);
display.drawXBM(0,9, Solarpanel_width, Solarpanel_height, Solarpanel_bits);
display.setCursor(72,18); display.print(pv_voltage); display.print("V");
display.setCursor(72,28); display.print(pv_wattage,0); display.print("W");
display.setCursor(72,38); display.print(pv_kwh); display.print("kWh");
display.setCursor(72,54); display.print(battery_voltage); display.print("V");
display.setCursor(72,63); display.print(pv_amps); display.print("A");
} while ( display.nextPage() );
}
//Battery
void display_screen_battery(float battery_voltage, float battery_amps, float battery_wattage, float battery_soc, float batt_cell_v_min, float batt_cell_v_max)
{
logPrintlnD("Refresh Battery display values...");
display.firstPage();
do {
display_header(title_battery);
display.drawXBM(7,9, battery_width, battery_height, battery_bits);
display.drawFrame(5,38,40,26);
display.drawStr(46,45,"F");
display.drawStr(46,64,"E");
display.setCursor(9,60); display.print(batt_cell_v_min); display.print("V");
display.setCursor(9,50); display.print(batt_cell_v_max); display.print("V");
display.setCursor(72,18); display.print(battery_voltage); display.print("V");
display.setCursor(72,28); display.print(battery_amps,1); display.print("A");
display.setCursor(72,38); display.print(battery_wattage,0); display.print("W");
display.setFont(u8g2_font_inr19_mf);
display.setCursor(70,63); display.print(battery_soc,0); display.print("%");
display.setFont(u8g2_font_6x10_tr);
int batt_fill_y = map(battery_soc, 0, 100, 62, 37);
int batt_fill_height = map(battery_soc, 0, 100, 0, 25);
display.setDrawColor(2);
display.drawBox(6,batt_fill_y,38,batt_fill_height);
} while ( display.nextPage() );
}
//Grid
void display_screen_grid(float grid_power, float inv_power, float inv_current, float pv_wattage)
{
logPrintlnD("Refresh Grid display values...");
display.firstPage();
do {
display_header(title_grid);
display.drawXBM(0,9, grid_width, grid_height, grid_bits);
display.setCursor(10,45); display.print(grid_power,0); display.print("W");
display.setCursor(40,54); display.print(inv_power,0); display.print("W");
display.setCursor(40,63); display.print(inv_current,1); display.print("A");
display.setCursor(87,20); display.print(grid_power,0); display.print("W");
if (show_pv_chg_screen)
{
display.setCursor(101,38); display.print(pv_wattage,0); display.print("W");
int pv_chg_y_pos;
if (pv_wattage >= 10) {
if (pv_charging)
{
pv_chg_y_pos = 45;
pv_charging = false;
}
else
{
pv_chg_y_pos = 47;
pv_charging = true;
}
display.drawXBM(89,pv_chg_y_pos, down_pv_width, down_pv_height, down_pv_bits);
}
}
} while ( display.nextPage() );
}
//Graph last 100 values
void display_screen_graph(float values[100])
{
logPrintD("Display graph...");
display.firstPage();
do {
display_header((char*)"Graph");
display.drawLine(7, 60, 9, 60); //X mark
display.drawLine(9, 8, 9, 62); //Y boarder
display.drawStr(1,17, "1");
display.drawStr(1,40, "5");
display.drawStr(1,63, "0");
display.drawLine(7, 36, 9, 36); //marker Y 5
display.drawLine(7, 13, 9, 13); //marker Y 1
for (int i = 19; i<120; i += 10)
{
display.drawLine(i, 60, i, 62); //marker X
}
for (int i = 0; i<126; i++)
{
display.drawLine((10+i), 60, (10+i), map(values[i], 0, 1000, 60, 10));
}
} while ( display.nextPage() );
}
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