Ngo Kien / Mbed OS DigitalSignal_Lab

DigitalSignal_Lab

Dependencies:   LCD_DISCO_F746NG BSP_DISCO_F746NG Graphics

main.cpp@12:bf80826aed9f, 2019-08-31 (annotated)

Committer:
ngtkien
Date:
Sat Aug 31 03:12:26 2019 +0000
Revision:
12:bf80826aed9f
Parent:
10:ec6798bd4cfb 
change wait_ms to wait_ns

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ngtkien95@gmail.com 2:447f54400c21 1 /* mbed Microcontroller Library
ngtkien95@gmail.com 2:447f54400c21 2 * Copyright (c) 2018 ARM Limited
ngtkien95@gmail.com 2:447f54400c21 3 * SPDX-License-Identifier: Apache-2.0
ngtkien95@gmail.com 2:447f54400c21 4 */
ngtkien 0:612209585c31 5
ngtkien95@gmail.com 2:447f54400c21 6 #include "mbed.h"
ngtkien95@gmail.com 2:447f54400c21 7 #include "stats_report.h"
ngtkien95@gmail.com 2:447f54400c21 8 #include "Graphics/RK043FN48H.h"
ngtkien95@gmail.com 3:297f513b26fe 9 #include "LCD_DISCO_F746NG/LCD_DISCO_F746NG.h"
ngtkien 0:612209585c31 10
ngtkien95@gmail.com 3:297f513b26fe 11 RK043FN48H graphics;
ngtkien95@gmail.com 3:297f513b26fe 12 LCD_DISCO_F746NG lcd;
ngtkien 0:612209585c31 13
ngtkien95@gmail.com 2:447f54400c21 14 DigitalOut led1(LED1);
ngtkien 0:612209585c31 15
ngtkien 0:612209585c31 16
ngtkien95@gmail.com 3:297f513b26fe 17
ngtkien95@gmail.com 3:297f513b26fe 18 #define SLEEP_TIME 200 // (msec)
ngtkien95@gmail.com 2:447f54400c21 19 #define PRINT_AFTER_N_LOOPS 20
ngtkien 0:612209585c31 20
ngtkien95@gmail.com 2:447f54400c21 21 // main() runs in its own thread in the OS
ngtkien 0:612209585c31 22 int main()
ngtkien 0:612209585c31 23 {
ngtkien95@gmail.com 2:447f54400c21 24 SystemReport sys_state( SLEEP_TIME * PRINT_AFTER_N_LOOPS /* Loop delay time in ms */);
ngtkien 0:612209585c31 25
ngtkien95@gmail.com 3:297f513b26fe 26 // display.Clear(LCD_COLOR_RED);
ngtkien95@gmail.com 3:297f513b26fe 27
ngtkien95@gmail.com 3:297f513b26fe 28 graphics.SetActiveLayer(Background);
ngtkien95@gmail.com 3:297f513b26fe 29 graphics.SetBackgroundColor(LCD_COLOR_BLACK);
ngtkien95@gmail.com 3:297f513b26fe 30 graphics.SetActiveLayer(Foreground);
ngtkien95@gmail.com 3:297f513b26fe 31
ngtkien95@gmail.com 3:297f513b26fe 32
ngtkien95@gmail.com 3:297f513b26fe 33 graphics.SetBackColor(LCD_COLOR_BLACK);
ngtkien95@gmail.com 3:297f513b26fe 34 graphics.SetTextColor(LCD_COLOR_LIGHTGRAY);
ngtkien95@gmail.com 3:297f513b26fe 35 graphics.DisplayStringAt(10, 10, (unsigned char*)TITLE, CENTER_MODE);
ngtkien95@gmail.com 7:c8ddf2b6aaec 36 graphics.DisplayStringAt(10, 70, (unsigned char*)TITLE, CENTER_MODE);
ngtkien95@gmail.com 7:c8ddf2b6aaec 37 graphics.DisplayStringAt(10, 40, (unsigned char*)TITLE, CENTER_MODE);
ngtkien95@gmail.com 3:297f513b26fe 38
ngtkien95@gmail.com 3:297f513b26fe 39 int xrand = 0,yrand = 0;
ngtkien95@gmail.com 3:297f513b26fe 40 uint32_t colorshift = LCD_COLOR_WHITE;
ngtkien95@gmail.com 2:447f54400c21 41 int count = 0;
ngtkien95@gmail.com 2:447f54400c21 42 while (true) {
ngtkien95@gmail.com 2:447f54400c21 43 // Blink LED and wait 0.5 seconds
ngtkien95@gmail.com 2:447f54400c21 44 led1 = !led1;
ngtkien 12:bf80826aed9f 45 wait_ns(SLEEP_TIME*100000);
ngtkien95@gmail.com 3:297f513b26fe 46
ngtkien95@gmail.com 3:297f513b26fe 47 // xrand = 10 + std::rand()%470;
ngtkien95@gmail.com 3:297f513b26fe 48 // yrand = 10 + std::rand()%262;
ngtkien95@gmail.com 3:297f513b26fe 49
ngtkien95@gmail.com 3:297f513b26fe 50 // colorshift = colorshift << (rand()%5);
ngtkien95@gmail.com 3:297f513b26fe 51 // colorshift = colorshift >> (rand()%3);
ngtkien95@gmail.com 3:297f513b26fe 52 // graphics.SetForegroundColor(colorshift);
ngtkien95@gmail.com 3:297f513b26fe 53 // graphics.FillCircle(xrand,yrand,5);
ngtkien95@gmail.com 2:447f54400c21 54
ngtkien95@gmail.com 2:447f54400c21 55 if ((0 == count) || (PRINT_AFTER_N_LOOPS == count)) {
ngtkien95@gmail.com 2:447f54400c21 56 // Following the main thread wait, report on the current system status
ngtkien95@gmail.com 2:447f54400c21 57 sys_state.report_state();
ngtkien95@gmail.com 2:447f54400c21 58 count = 0;
ngtkien95@gmail.com 2:447f54400c21 59 }
ngtkien95@gmail.com 2:447f54400c21 60 ++count;
ngtkien 0:612209585c31 61 }
ngtkien 0:612209585c31 62 }