andy guy
Utilisation de 2 servomoteurs afin de piloter un portail a l'aide de l'ecran lcd du disco stm32
Dependencies: BSP_DISCO_F746NG
main.cpp@6:e11776bd7e16, 2022-06-16 (annotated)
- Committer:
- andy92240
- Date:
- Thu Jun 16 10:18:32 2022 +0000
- Revision:
- 6:e11776bd7e16
- Parent:
- 5:071136c3eefa
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| JohnnyK | 5:071136c3eefa | 1 | /** |
| JohnnyK | 5:071136c3eefa | 2 | * Notebook page https://os.mbed.com/users/JohnnyK/notebook/how-start-with-the-littlevgl/ |
| JohnnyK | 5:071136c3eefa | 3 | */ |
| JohnnyK | 5:071136c3eefa | 4 | |
| JohnnyK | 0:10c4b83c458d | 5 | #include "mbed.h" |
| JohnnyK | 0:10c4b83c458d | 6 | #include "lvgl/lvgl.h" |
| JohnnyK | 3:4f5dc253eb7b | 7 | #include "hal_stm_lvgl/tft/tft.h" |
| JohnnyK | 3:4f5dc253eb7b | 8 | #include "hal_stm_lvgl/touchpad/touchpad.h" |
| JohnnyK | 5:071136c3eefa | 9 | #include "lv_demo.h" /*Comment/uncomment will switch between LVGL demo and Hello word example*/ |
| JohnnyK | 0:10c4b83c458d | 10 | |
| JohnnyK | 3:4f5dc253eb7b | 11 | #define LVGL_TICK 10 //Time tick value for lvgl in ms (1-10msa) |
| JohnnyK | 3:4f5dc253eb7b | 12 | #define TICKER_TIME 10ms //modified to miliseconds |
| JohnnyK | 0:10c4b83c458d | 13 | |
| andy92240 | 6:e11776bd7e16 | 14 | PwmOut servo1(D9); |
| andy92240 | 6:e11776bd7e16 | 15 | PwmOut servo2(D10); |
| andy92240 | 6:e11776bd7e16 | 16 | InterruptIn echo(A1); //echo |
| andy92240 | 6:e11776bd7e16 | 17 | DigitalOut trigger(A2); // trigger |
| andy92240 | 6:e11776bd7e16 | 18 | DigitalOut myled(D8); |
| JohnnyK | 3:4f5dc253eb7b | 19 | Ticker ticker; //Ticker for lvgl |
| andy92240 | 6:e11776bd7e16 | 20 | Timer timer; |
| andy92240 | 6:e11776bd7e16 | 21 | int distance = 0; |
| andy92240 | 6:e11776bd7e16 | 22 | int correction = 0; |
| andy92240 | 6:e11776bd7e16 | 23 | |
| JohnnyK | 3:4f5dc253eb7b | 24 | |
| andy92240 | 6:e11776bd7e16 | 25 | void startTimer() { // fonction pour commence mesurer echo |
| andy92240 | 6:e11776bd7e16 | 26 | timer.start(); |
| andy92240 | 6:e11776bd7e16 | 27 | } |
| andy92240 | 6:e11776bd7e16 | 28 | void stopTimer() { // fonction pour arrete mesurer echo |
| andy92240 | 6:e11776bd7e16 | 29 | timer.stop(); |
| andy92240 | 6:e11776bd7e16 | 30 | } |
| andy92240 | 6:e11776bd7e16 | 31 | const int positionMin = 700; |
| andy92240 | 6:e11776bd7e16 | 32 | const int positionMax = 1500; |
| andy92240 | 6:e11776bd7e16 | 33 | const int positionMin1 = 700; |
| andy92240 | 6:e11776bd7e16 | 34 | const int positionMax1 = 1500; |
| andy92240 | 6:e11776bd7e16 | 35 | |
| andy92240 | 6:e11776bd7e16 | 36 | |
| JohnnyK | 5:071136c3eefa | 37 | /* |
| JohnnyK | 5:071136c3eefa | 38 | * Callback function for lvgl timing. |
| JohnnyK | 5:071136c3eefa | 39 | * Call lv_tick_inc(x) every x milliseconds in a Timer or Task (x should be between 1 and 10). |
| JohnnyK | 5:071136c3eefa | 40 | * It is required for the internal timing of LittlevGL. |
| JohnnyK | 5:071136c3eefa | 41 | */ |
| JohnnyK | 0:10c4b83c458d | 42 | void lv_ticker_func(){ |
| JohnnyK | 0:10c4b83c458d | 43 | lv_tick_inc(LVGL_TICK); |
| JohnnyK | 0:10c4b83c458d | 44 | } |
| JohnnyK | 0:10c4b83c458d | 45 | |
| JohnnyK | 5:071136c3eefa | 46 | static void event_handler(lv_event_t* event) |
| JohnnyK | 3:4f5dc253eb7b | 47 | { |
| JohnnyK | 5:071136c3eefa | 48 | lv_event_code_t code = lv_event_get_code(event); |
| JohnnyK | 5:071136c3eefa | 49 | if(code == LV_EVENT_CLICKED) { |
| JohnnyK | 3:4f5dc253eb7b | 50 | printf("Clicked\n"); |
| andy92240 | 6:e11776bd7e16 | 51 | printf("Clicked\n"); |
| andy92240 | 6:e11776bd7e16 | 52 | |
| andy92240 | 6:e11776bd7e16 | 53 | servo1.period_ms(20); |
| andy92240 | 6:e11776bd7e16 | 54 | servo2.period_ms(20); |
| andy92240 | 6:e11776bd7e16 | 55 | for(int i=positionMin1; i<positionMax1; i += 10) { |
| andy92240 | 6:e11776bd7e16 | 56 | servo1.pulsewidth_us(i); |
| andy92240 | 6:e11776bd7e16 | 57 | servo2.pulsewidth_us(i); |
| andy92240 | 6:e11776bd7e16 | 58 | |
| andy92240 | 6:e11776bd7e16 | 59 | wait_us(3000); } |
| andy92240 | 6:e11776bd7e16 | 60 | } |
| JohnnyK | 5:071136c3eefa | 61 | else if(code == LV_EVENT_VALUE_CHANGED) { |
| JohnnyK | 3:4f5dc253eb7b | 62 | printf("Toggled\n"); |
| JohnnyK | 0:10c4b83c458d | 63 | } |
| JohnnyK | 1:627f26953c53 | 64 | } |
| andy92240 | 6:e11776bd7e16 | 65 | |
| andy92240 | 6:e11776bd7e16 | 66 | static void my_event_cb(lv_event_t* event) |
| andy92240 | 6:e11776bd7e16 | 67 | { |
| andy92240 | 6:e11776bd7e16 | 68 | |
| andy92240 | 6:e11776bd7e16 | 69 | lv_event_code_t code = lv_event_get_code(event); |
| andy92240 | 6:e11776bd7e16 | 70 | if(code == LV_EVENT_CLICKED) { |
| andy92240 | 6:e11776bd7e16 | 71 | printf("Clicked\n"); |
| andy92240 | 6:e11776bd7e16 | 72 | servo1.period_ms(20); |
| andy92240 | 6:e11776bd7e16 | 73 | servo2.period_ms(20); |
| andy92240 | 6:e11776bd7e16 | 74 | //for(int i=positionMin; i<positionMax; i += 10) { |
| andy92240 | 6:e11776bd7e16 | 75 | servo1.pulsewidth_us(2500); |
| andy92240 | 6:e11776bd7e16 | 76 | wait_us(40000); |
| andy92240 | 6:e11776bd7e16 | 77 | servo2.pulsewidth_us(500); |
| andy92240 | 6:e11776bd7e16 | 78 | wait_us(6000); |
| andy92240 | 6:e11776bd7e16 | 79 | //lv_label_set_text(label3, "Ouvert"); |
| andy92240 | 6:e11776bd7e16 | 80 | |
| andy92240 | 6:e11776bd7e16 | 81 | } |
| andy92240 | 6:e11776bd7e16 | 82 | |
| andy92240 | 6:e11776bd7e16 | 83 | else if(code == LV_EVENT_VALUE_CHANGED) { |
| andy92240 | 6:e11776bd7e16 | 84 | printf("Toggled\n"); |
| andy92240 | 6:e11776bd7e16 | 85 | } |
| andy92240 | 6:e11776bd7e16 | 86 | } |
| andy92240 | 6:e11776bd7e16 | 87 | |
| JohnnyK | 3:4f5dc253eb7b | 88 | // main() runs in its own thread in the OS |
| JohnnyK | 0:10c4b83c458d | 89 | int main() |
| JohnnyK | 0:10c4b83c458d | 90 | { |
| andy92240 | 6:e11776bd7e16 | 91 | // echo.rise(&startTimer); //On commence compter le temps quand on a un niveau montant |
| andy92240 | 6:e11776bd7e16 | 92 | // echo.fall(&stopTimer); //On arrete compter le temps quand on a un niveau decendant |
| andy92240 | 6:e11776bd7e16 | 93 | |
| JohnnyK | 3:4f5dc253eb7b | 94 | printf("LVGL-"); |
| JohnnyK | 3:4f5dc253eb7b | 95 | lv_init(); //Initialize the LVGL |
| JohnnyK | 3:4f5dc253eb7b | 96 | tft_init(); //Initialize diplay |
| JohnnyK | 3:4f5dc253eb7b | 97 | touchpad_init(); //Initialize touchpad |
| JohnnyK | 3:4f5dc253eb7b | 98 | ticker.attach(callback(&lv_ticker_func),TICKER_TIME); //Attach callback to ticker |
| JohnnyK | 3:4f5dc253eb7b | 99 | |
| andy92240 | 6:e11776bd7e16 | 100 | |
| JohnnyK | 5:071136c3eefa | 101 | lv_obj_t * label1 = lv_label_create(lv_scr_act()); |
| JohnnyK | 5:071136c3eefa | 102 | lv_label_set_long_mode(label1, LV_LABEL_LONG_WRAP); /*Break the long lines*/ |
| JohnnyK | 3:4f5dc253eb7b | 103 | lv_label_set_recolor(label1, true); /*Enable re-coloring by commands in the text*/ |
| andy92240 | 6:e11776bd7e16 | 104 | lv_label_set_text(label1, "Projet portail"); |
| JohnnyK | 3:4f5dc253eb7b | 105 | lv_obj_set_width(label1, 150); |
| andy92240 | 6:e11776bd7e16 | 106 | lv_obj_align(label1, LV_ALIGN_TOP_MID, 25, 0); |
| JohnnyK | 0:10c4b83c458d | 107 | |
| JohnnyK | 0:10c4b83c458d | 108 | lv_obj_t * label; |
| JohnnyK | 5:071136c3eefa | 109 | lv_obj_t * btn1 = lv_btn_create(lv_scr_act()); |
| andy92240 | 6:e11776bd7e16 | 110 | |
| andy92240 | 6:e11776bd7e16 | 111 | lv_obj_add_event_cb(btn1, my_event_cb, LV_EVENT_ALL, NULL); |
| andy92240 | 6:e11776bd7e16 | 112 | lv_obj_align(btn1, LV_ALIGN_CENTER, -50, 50); |
| JohnnyK | 5:071136c3eefa | 113 | label = lv_label_create(btn1); |
| andy92240 | 6:e11776bd7e16 | 114 | lv_label_set_text(label, "Fermer"); |
| andy92240 | 6:e11776bd7e16 | 115 | |
| andy92240 | 6:e11776bd7e16 | 116 | |
| JohnnyK | 5:071136c3eefa | 117 | lv_obj_t * btn2 = lv_btn_create(lv_scr_act()); |
| JohnnyK | 5:071136c3eefa | 118 | lv_obj_add_event_cb(btn2, event_handler,LV_EVENT_ALL, NULL); |
| andy92240 | 6:e11776bd7e16 | 119 | lv_obj_align(btn2, LV_ALIGN_CENTER, -50, -25); |
| JohnnyK | 5:071136c3eefa | 120 | label = lv_label_create(btn2); |
| andy92240 | 6:e11776bd7e16 | 121 | lv_label_set_text(label, "Ouvrir"); |
| andy92240 | 6:e11776bd7e16 | 122 | |
| andy92240 | 6:e11776bd7e16 | 123 | //continue ici// |
| andy92240 | 6:e11776bd7e16 | 124 | |
| andy92240 | 6:e11776bd7e16 | 125 | static lv_style_t style; |
| andy92240 | 6:e11776bd7e16 | 126 | lv_style_init(&style); |
| andy92240 | 6:e11776bd7e16 | 127 | lv_style_set_radius(&style, 5); |
| andy92240 | 6:e11776bd7e16 | 128 | |
| andy92240 | 6:e11776bd7e16 | 129 | /*Make a gradient*/ |
| andy92240 | 6:e11776bd7e16 | 130 | lv_style_set_width(&style, 150); |
| andy92240 | 6:e11776bd7e16 | 131 | lv_style_set_height(&style, LV_SIZE_CONTENT); |
| andy92240 | 6:e11776bd7e16 | 132 | |
| andy92240 | 6:e11776bd7e16 | 133 | lv_style_set_pad_ver(&style, 20); |
| andy92240 | 6:e11776bd7e16 | 134 | lv_style_set_pad_left(&style, 5); |
| andy92240 | 6:e11776bd7e16 | 135 | |
| andy92240 | 6:e11776bd7e16 | 136 | lv_style_set_x(&style, lv_pct(50)); |
| andy92240 | 6:e11776bd7e16 | 137 | lv_style_set_y(&style, 80); |
| andy92240 | 6:e11776bd7e16 | 138 | |
| andy92240 | 6:e11776bd7e16 | 139 | /*Create an object with the new style*/ |
| andy92240 | 6:e11776bd7e16 | 140 | lv_obj_t * obj = lv_obj_create(lv_scr_act()); |
| andy92240 | 6:e11776bd7e16 | 141 | lv_obj_add_style(obj, &style, 0); |
| andy92240 | 6:e11776bd7e16 | 142 | |
| andy92240 | 6:e11776bd7e16 | 143 | lv_obj_t * label3 = lv_label_create(obj); |
| andy92240 | 6:e11776bd7e16 | 144 | |
| andy92240 | 6:e11776bd7e16 | 145 | lv_obj_align(label3, LV_ALIGN_TOP_MID, 0, 50); |
| andy92240 | 6:e11776bd7e16 | 146 | lv_obj_t * label4 = lv_label_create(obj); |
| andy92240 | 6:e11776bd7e16 | 147 | |
| JohnnyK | 0:10c4b83c458d | 148 | |
| JohnnyK | 3:4f5dc253eb7b | 149 | while (true){ |
| andy92240 | 6:e11776bd7e16 | 150 | float Tar; |
| JohnnyK | 3:4f5dc253eb7b | 151 | lv_task_handler(); |
| JohnnyK | 3:4f5dc253eb7b | 152 | //Call lv_task_handler() periodically every few milliseconds. |
| JohnnyK | 3:4f5dc253eb7b | 153 | //It will redraw the screen if required, handle input devices etc. |
| JohnnyK | 3:4f5dc253eb7b | 154 | thread_sleep_for(LVGL_TICK); |
| andy92240 | 6:e11776bd7e16 | 155 | /** On commence le trigger et arrete avec un period de 10us */ |
| andy92240 | 6:e11776bd7e16 | 156 | trigger = 1; //Mettre trigger en niveau haut |
| andy92240 | 6:e11776bd7e16 | 157 | wait_us(10);//Period 1 trigger |
| andy92240 | 6:e11776bd7e16 | 158 | |
| andy92240 | 6:e11776bd7e16 | 159 | Tar = timer.read()*1e6; //Temps aller retour on a recu s=>u s donc il faut multiplier par 1e6 |
| andy92240 | 6:e11776bd7e16 | 160 | float distance = Tar*343/2*1e-3/10; //Formule calculer la distance en cm (On divise par 10 pour mm>cm) |
| andy92240 | 6:e11776bd7e16 | 161 | timer.reset(); // reset le temp aller retour a 0 |
| andy92240 | 6:e11776bd7e16 | 162 | wait_us(1000); |
| andy92240 | 6:e11776bd7e16 | 163 | lv_label_set_text_fmt(label3, "distance: %0.2f cm \r\n",distance); |
| andy92240 | 6:e11776bd7e16 | 164 | |
| andy92240 | 6:e11776bd7e16 | 165 | if(abs(distance>2)) |
| andy92240 | 6:e11776bd7e16 | 166 | { //Valeur absolute si superieur a 2cm |
| andy92240 | 6:e11776bd7e16 | 167 | lv_label_set_text(label4,"Obstacle"); |
| andy92240 | 6:e11776bd7e16 | 168 | //lv_btn_set_checkable(btn1, true) |
| andy92240 | 6:e11776bd7e16 | 169 | myled = 0; |
| andy92240 | 6:e11776bd7e16 | 170 | |
| JohnnyK | 0:10c4b83c458d | 171 | } |
| andy92240 | 6:e11776bd7e16 | 172 | else |
| andy92240 | 6:e11776bd7e16 | 173 | { |
| andy92240 | 6:e11776bd7e16 | 174 | lv_label_set_text(label4,"Aucun obstacle"); |
| andy92240 | 6:e11776bd7e16 | 175 | |
| andy92240 | 6:e11776bd7e16 | 176 | myled = 1; |
| andy92240 | 6:e11776bd7e16 | 177 | } |
| andy92240 | 6:e11776bd7e16 | 178 | } |
| JohnnyK | 3:4f5dc253eb7b | 179 | } |