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https://github.com/eddyem/stm32samples.git
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add template for main screen and buttons, need menu etc
This commit is contained in:
Edward Emelianov
188
F3:F303/NitrogenFlooding/indication.c
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188
F3:F303/NitrogenFlooding/indication.c
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/*
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* This file is part of the nitrogen project.
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* Copyright 2023 Edward V. Emelianov <edward.emelianoff@gmail.com>.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "BMP280.h"
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#include "buttons.h"
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#include "hardware.h"
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#include "ili9341.h"
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#include "incication.h"
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#include "screen.h"
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#include "strfunc.h"
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#include "usb.h"
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/*
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* LEDs:
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* 0 - blinks all the time
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* 1 - PWM2 state (blinks as longer as PWM larger)
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* 2 - PWM3 state (-//-)
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* 3 - ?
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*/
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// next state change time
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static uint32_t ledT[LEDS_AMOUNT] = {0};
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// arrays of high and low states' length
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static uint32_t ledH[LEDS_AMOUNT] = {199, 0, 0, 0};
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static uint32_t ledL[LEDS_AMOUNT] = {799, 1, 1, 1};
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// led blinking
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TRUE_INLINE void leds_proc(){
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uint32_t v = getPWM(2);
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ledH[1] = v*5; ledL[1] = (PWM_CCR_MAX - v) * 5;
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v = getPWM(3);
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ledH[2] = v*5; ledL[2] = (PWM_CCR_MAX - v) * 5;
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for(int i = 0; i < LEDS_AMOUNT; ++i){
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int state = LED_get(i);
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if(state){ // shining
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if(ledH[i] == 0) LED_off(i); // don't turn it on
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else if(ledL[i] && Tms > ledT[i]){
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LED_off(i);
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ledT[i] = Tms + ledL[i];
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}
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}else{
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if(ledL[i] == 0) LED_on(i); // don't turn it off
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else if(ledH[i] && Tms > ledT[i]){
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LED_on(i);
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ledT[i] = Tms + ledH[i];
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}
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}
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}
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}
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// Display state: main window or menu
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typedef enum{
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DISP_MAINWIN,
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DISP_MENU
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} display_state;
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static display_state dispstate = DISP_MAINWIN;
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static uint32_t lastTmeas = 0; // last measurement time
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static void cls(){ // set default colors (bg=0, fg=0xffff) and clear screen
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setBGcolor(0);
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setFGcolor(0xffff);
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ClearScreen();
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}
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static void refresh_mainwin(){ // ask all parameters and refresh main window with new values
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DBG("REFRESH main window");
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cls();
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float T, P, H;
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BMP280_status s = BMP280_get_status();
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if(s == BMP280_NOTINIT || s == BMP280_ERR) BMP280_init();
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SetFontScale(1); // small menu items labels
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setBGcolor(COLOR_BLACK); setFGcolor(COLOR_LIGHTGREEN);
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PutStringAt(4, 16, "Temperature Pressure Humidity Dew point");
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int y = 37;
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uint16_t fgcolor;
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if(s == BMP280_RDY && BMP280_getdata(&T, &P, &H)){ // show data
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if(T < T_MIN || T > T_MAX) fgcolor = COLOR_RED;
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else if(T < 0) fgcolor = COLOR_BLUE;
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else fgcolor = COLOR_GREEN;
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setFGcolor(fgcolor); PutStringAt(32, y, float2str(T, 2));
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if(P > P_MAX) fgcolor = COLOR_RED;
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else fgcolor = COLOR_YELLOW;
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setFGcolor(fgcolor); PutStringAt(112, y, float2str(P, 1));
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if(H > H_MAX) fgcolor = COLOR_RED;
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else fgcolor = COLOR_CHOCOLATE;
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setFGcolor(fgcolor); PutStringAt(192, y, float2str(H, 1));
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float dew = Tdew(T, H);
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if(T - dew < DEW_MIN) fgcolor = COLOR_RED;
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else fgcolor = COLOR_LIGHTBLUE;
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setFGcolor(fgcolor); PutStringAt(248, y, float2str(dew, 1));
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#ifdef EBUG
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USB_sendstr("T="); USB_sendstr(float2str(T, 2)); USB_sendstr("\nP=");
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USB_sendstr(float2str(P, 1));
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P *= 0.00750062f; USB_sendstr("\nPmm="); USB_sendstr(float2str(P, 1));
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USB_sendstr("\nH="); USB_sendstr(float2str(H, 1));
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USB_sendstr("\nTdew="); USB_sendstr(float2str(dew, 1));
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newline();
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#endif
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}else{ // show "errr"
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setBGcolor(COLOR_RED); setFGcolor(COLOR_CYAN);
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CenterStringAt(y, "No signal");
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}
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// display all other data
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SetFontScale(3);
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// TODO: show current level
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setFGcolor(COLOR_RED); CenterStringAt(130, "Level: NULL");
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if(getPWM(2) || getPWM(3)){
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setFGcolor(COLOR_GREEN);
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CenterStringAt(220, "Processing");
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}
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UpdateScreen(0, SCRNH-1);
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if(!BMP280_start()) BMP280_init(); // start new measurement
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}
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static void refresh_menu(){ // refresh menu with changed selection
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DBG("REFRESH menu");
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cls();
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}
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/*
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* Custom keys:
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* 0 - main screen
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* 1 - up
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* 2 - down
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* 3 - select/menu
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*/
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TRUE_INLINE void btns_proc(){
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uint8_t evtmask = 0; // bitmask for active buttons (==1)
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for(int i = 0; i < BTNSNO; ++i){
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keyevent evt = keystate(i, NULL); // T may be used for doubleclick detection
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if(evt == EVT_PRESS || evt == EVT_HOLD) evtmask |= 1<<i;
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}
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// now check all buttons
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if(evtmask & 1<<0){ // escape to main window or force refresh
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if(dispstate == DISP_MENU){
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dispstate = DISP_MAINWIN;
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}
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lastTmeas = Tms - SENSORS_DATA_TIMEOUT*2; // force refresh
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}
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if(dispstate == DISP_MENU){ // buttons 'up'/'down' works only in menu mode
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if(evtmask & 1<<1){ // up
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;
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}
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if(evtmask & 1<<2){ // down
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;
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}
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}
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if(evtmask & 1<<3){ // select/menu
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if(dispstate == DISP_MAINWIN){ // switch to menu mode
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dispstate = DISP_MENU;
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refresh_menu();
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}else{ // select
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;
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}
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}
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}
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void indication_process(){
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if(!LEDsON) return;
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leds_proc();
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btns_proc();
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switch(dispstate){
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case DISP_MAINWIN:
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if(Tms - lastTmeas > SENSORS_DATA_TIMEOUT){
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refresh_mainwin();
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lastTmeas = Tms;
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}
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break;
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case DISP_MENU: // do nothing
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;
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break;
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}
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}
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