Dependencies: BSP_DISCO_F746NG
Diff: main.cpp
- Revision:
- 3:1d1ced98a985
- Parent:
- 2:f3bee2fcc2a0
- Child:
- 4:875a2d0a996d
--- a/main.cpp Wed Jan 08 14:41:01 2020 +0000
+++ b/main.cpp Thu Jan 09 13:39:12 2020 +0000
@@ -2,142 +2,115 @@
Author: Christian Andresen
Website: xcha11.skp-dp.sde.dk
Date: 10-01-2020
- Brief: Basic arduino project involving sensors (Button, Touch), digital output (LED, Buzzer), and onboard LCD Screen.
+ Brief: STM32 project
+ Project includes:
+ Button/Touch sensor input, connected to LED lights and grove buzzer.
+ Infinite counter of 0-9999. Resets automatically.
+ Blue screen of death
+ Multithreading
+ Debug statements located within vital processes, for easy checking over console.
*/
#include "mbed.h" // mbed-os 5
#include "stm32746g_discovery_lcd.h" // Last updated 27/11/2019
-// D2-D4: DigitalIN, D5-D8: DigitalOut.
-DigitalIn button(D2);
-DigitalIn touch(D3);
-//InterruptIn button(D2);
-//InterruptIn touch(D3);
+// D2-D4: Input, D5-D8: Output.
+InterruptIn button(D2);
+InterruptIn touch(D3);
DigitalOut led(D5);
DigitalOut buzzer(D6);
// Multithreading
-Thread firstThread;
-Thread secondThread;
+Thread CounterThread;
+Thread InputThread;
-// Prototype for the blue screen of death.
+// Prototypes
void bluescreen();
-// Visible ints, used to register button presses and touch-sensor activation.
+void input();
+void buttonpress();
+void touchpress();
+
+// Button click counter, button-press bool, and determinator.
int button_count;
+bool buttonclick = false;
+
+// Touch count, touch-sensor bool, and determinator
int touch_count;
-// Integer used for the 9999 counter.
+bool touchclick = false;
+
+// Integers used for the 9999 counter.
int countup;
-// restarts is an invisible int, gaining 1 in value eachtime countup reaches 9999. Used for the bluescreen() event.
int restarts;
// 9999 counter program. Added above main for multithread ability.
void ninecounter()
-{
- HAL_Delay(3000);
+{
+ HAL_Delay(10000);
while(1) {
if (countup != 9999) {
wait(0.001);
countup++;
+ } else if (restarts == 10) {
+ break;
} else {
- countup = 9900;
+ countup = 0;
restarts++;
+ printf("Counter has finished counting. Reset nr. %d. \r\n", restarts);
}
}
}
-/* // USE ONLY IF TOUCH SENSOR AND BUTTON ARE INTERRUPT-IN
-void buttonpress() {
- led = 1; // Turn LED on
- buzzer = 1; // Emit sound from buzzer
- wait(0.25);
- button_count++; // Register a button has been pressed, so it can be displayed later.
- led = 0; // Turn LED off
- buzzer = 0; // Halt sound emmital from buzzer.
-}
-void touchpress() {
- led = 1; // Turn LED on
- wait(0.25);
- touch_count++; // Register that the touch sensor has been triggered, so it can be displayed layer.
- led = 0; // Turn LED off
-} */
-
-void inputcounter()
-{
- HAL_Delay(3000);
- while(1) {
- //button.rise(&buttonpress); USE IF BUTTON IS INTERRUPT IN (BRUG IKKE RISE I WHILE - Flyt 2 linjer op)
- //touch.rise(&touchpress); USE IF TOUCH SENSOR IS INTERRUPT IN
-
- // USE IF BUTTON AND TOUCH SENSOR IS DIGITAL IN
- // Register if the button has been pressed.
- if(button) {
- led = 1; // Turn LED on
- buzzer = 1; // Emit sound from buzzer
- wait(0.5);
- button_count++; // Register a button has been pressed, so it can be displayed later.
- led = 0; // Turn LED off
- buzzer = 0; // Halt sound emmital from buzzer.
- }
- // Register if touchscreen has been touched.
- else if(touch) {
- led = 1; // Turn LED on
- wait(0.69);
- touch_count++; // Register that the touch sensor has been triggered, so it can be displayed layer.
- led = 0; // Turn LED off
- }
- // If nothing is being toched, prevent anything from happening.
- else {
- led = 0;
- buzzer = 0;
- }
- }
-}
// Main part of the program
int main()
{
- firstThread.start(&ninecounter); // Start multithread main and ninecounter()
- secondThread.start(&inputcounter);
+ CounterThread.start(&ninecounter); // Start multithread ninecounter & inputcounter
+ InputThread.start(&input);
+
+ button.rise(&buttonpress);
+ touch.rise(&touchpress);
- // Prepare 3 text elements for later print to LCD
- uint8_t text1[30];
- uint8_t text2[30];
- uint8_t text3[30];
- // Give integers a default value of 0
- button_count = 0;
- touch_count = 0;
- countup = 9900;
- restarts = 0;
+ uint8_t text[30]; // Prepare text element for later print to LCD
+ button_count = 0; // Amount of times the button has been pressed
+ touch_count = 0; // Amount of times the touch sensor has been activated
+ countup = 0; // Default value for the counter
+ restarts = 0; // Amount of times 9999 counter has been reset
// Boot up LCD screen
BSP_LCD_Init();
BSP_LCD_LayerDefaultInit(LTDC_ACTIVE_LAYER, LCD_FB_START_ADDRESS);
BSP_LCD_SelectLayer(LTDC_ACTIVE_LAYER);
-
+
// Clear the screen, add black background and red text
BSP_LCD_Clear(LCD_COLOR_BLACK);
BSP_LCD_SetBackColor(LCD_COLOR_BLACK);
BSP_LCD_SetTextColor(LCD_COLOR_RED);
-
+
// Bootup Message
- BSP_LCD_DisplayStringAt(0, 130, (uint8_t *) "SYSTEM BOOTING", CENTER_MODE);
- HAL_Delay(2500);
+ printf("Device is booting up \r\n");
+ BSP_LCD_DisplayStringAt(0, 100, (uint8_t *) "HELLDROP STUDIO", CENTER_MODE);
+ BSP_LCD_DisplayStringAt(0, 150, (uint8_t *) "A big hard business", CENTER_MODE);
+ BSP_LCD_DisplayStringAt(0, 175, (uint8_t *) "in a big hard building", CENTER_MODE);
+ HAL_Delay(10000);
// Change LCD Screen to system
BSP_LCD_Clear(LCD_COLOR_BLACK);
+ printf("Device has started functioning \r\n");
// Studio name & department
BSP_LCD_DisplayStringAt(0, 25, (uint8_t *) "HELLDROP STUDIO SOFTWARE", CENTER_MODE);
BSP_LCD_DisplayStringAt(0, 250, (uint8_t *) "Code by Christian Andresen", CENTER_MODE);
+ // While there are less than 10 restarts of the counter..
while(restarts < 10) {
- sprintf((char*)text1, "Button count: %d", button_count);
- sprintf((char*)text2, "Touch count: %d", touch_count);
- sprintf((char*)text3, " %d (%d) ", countup, restarts);
-
- BSP_LCD_DisplayStringAt(0, 75, (uint8_t *)&text1, CENTER_MODE);
- BSP_LCD_DisplayStringAt(0, 125, (uint8_t *)&text2, CENTER_MODE);
- BSP_LCD_DisplayStringAt(0, 175, (uint8_t *)&text3, CENTER_MODE);
+ // Combine string and integer value.
+ sprintf((char*)text, "Button count: %d", button_count);
+ // Print value to LCD screen
+ BSP_LCD_DisplayStringAt(0, 100, (uint8_t *)&text, CENTER_MODE);
+ sprintf((char*)text, "Touch count: %d", touch_count);
+ BSP_LCD_DisplayStringAt(0, 150, (uint8_t *)&text, CENTER_MODE);
+ sprintf((char*)text, " %d (%d) ", countup, restarts);
+ BSP_LCD_DisplayStringAt(0, 200, (uint8_t *)&text, CENTER_MODE);
}
- if (restarts >= 10) {
+ if (restarts == 10) { // If there are 10 restarts or more, trigger BSOD
bluescreen();
}
}
@@ -145,6 +118,7 @@
void bluescreen()
{
//BLUE SCREEN OF DEATH
+ printf("FATAL ERROR. SYSTEM REQUIRES MANUAL REBOOT \r\n");
BSP_LCD_Clear(LCD_COLOR_BLUE);
BSP_LCD_SetBackColor(LCD_COLOR_BLUE);
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
@@ -154,4 +128,44 @@
BSP_LCD_DisplayStringAt(0, 150, (uint8_t *) "and needs to reboot.", CENTER_MODE);
BSP_LCD_DisplayStringAt(0, 250, (uint8_t *) "HAL Error", LEFT_MODE);
BSP_LCD_DisplayStringAt(0, 250, (uint8_t *) "ERROR CODE: 40", RIGHT_MODE);
+}
+
+void input()
+{
+ HAL_Delay(10000);
+ while(1) {
+ if(buttonclick == true) {
+ printf("A button has been pressed. \r\n");
+ button_count++; // Add to button counter
+ led = 1; // Turn on LED
+ buzzer = 1; // Turn on buzzer
+ wait(0.5); // Prevent immediate shutdown
+ // Turn both off
+ led = 0;
+ buzzer = 0;
+ buttonclick = false; // End button click
+ } else if(touchclick == true) {
+ printf("Touch sensor has been activated \r\n");
+ touch_count++; // Add to touch counter on the LCD
+ led = 1;
+ wait(0.5);
+ led = 0;
+ touchclick = false; // End touch click
+ } else if (restarts == 10) {
+ break;
+ } else { // Failsafe if neither are turned off during click.
+ led = 0;
+ buzzer = 0;
+ }
+ }
+}
+
+void buttonpress()
+{
+ buttonclick = true;
+}
+
+void touchpress()
+{
+ touchclick = true;
}
\ No newline at end of file