Diff: main.cpp

Revision:

0:1200a8585607

Child:

1:5e8986c83a89

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Mar 04 00:31:32 2016 +0000
@@ -0,0 +1,262 @@
+#include "mbed.h"
+#include "button_group.hpp"
+#include "LCDclockSet.h"                    //various display graphics for clock
+
+#if defined(TARGET_DISCO_F746NG)
+#endif
+
+//------------------------
+//hardware equates
+
+LCD_DISCO_F746NG lcd;                       // Object for LCD display
+TS_DISCO_F746NG ts;                         // Object for touch pannel
+RawSerial pc(USBTX, USBRX);                 // terminal console
+DigitalOut gled(LED1);
+
+LCDclockSet ss("ss");                       //graphic display items
+
+TS_StateTypeDef TS_State;
+
+//------------------------
+//LCD specific variables and constants
+
+uint8_t lcd_text[30];
+
+//------------------------
+//RTC specific variables and constants
+
+#define TBUFLEN                     10      //size of smaller ascii time buffers
+time_t ctTime;                              //time structure
+int DST = 1;                                //Daylight Saving Time (or as defined in .ini file)
+int TZone = -8;                             //Time Zone from UTC (or as defined in .ini file)
+char timebuf_s[4];
+char timebuf_hm[TBUFLEN];                   //local time format buffer - 21:16
+char timebuf_hms[TBUFLEN];                  //local time format buffer - 21:16:43
+char timebuf_mdy[TBUFLEN];                  //local time format buffer - 04/01/14
+char timebuf_dMyy[TBUFLEN + 4];             //local time format buffer - 01-Apr-2014
+char timebuf_Myy[TBUFLEN];                  //local time format buffer - -Apr-2014
+char timebuf_dow[1];                        //local time format buffer - 5
+
+//--------------------------------------------------------------------------------------------------------------------------------------//
+// Display clock on LCD
+
+#define CLOCKX                  338
+#define CLOCKLINE               21
+
+void DispClockLCD() {
+    sprintf((char*)lcd_text, "%s %s", timebuf_dMyy, timebuf_hms);
+    uint32_t tc = lcd.GetTextColor();
+    lcd.SetTextColor(LCD_COLOR_YELLOW);
+    lcd.DisplayStringAt(CLOCKX, LINE(CLOCKLINE) + 8, (uint8_t *)&lcd_text, LEFT_MODE);
+    lcd.SetTextColor(tc);
+}
+
+//--------------------------------------------------------------------------------------------------------------------------------------//
+// Update time
+
+void UpdateTimeRegs() {
+    strftime(timebuf_s, 4, "%S", localtime(&ctTime));
+    strftime(timebuf_mdy, TBUFLEN, "%m/%d/%y", localtime(&ctTime));
+    strftime(timebuf_dMyy, TBUFLEN * 2, "%d-%b-%Y", localtime(&ctTime));
+    strftime(timebuf_Myy, TBUFLEN, "-%b-%Y", localtime(&ctTime));
+    strftime(timebuf_hm, TBUFLEN, "%H:%M", localtime(&ctTime));
+    strftime(timebuf_hms, TBUFLEN, "%H:%M:%S", localtime(&ctTime));
+    strftime(timebuf_dow, 1, "%u", localtime(&ctTime));
+}
+
+void UpdateTime() {
+    ctTime = time(NULL) + ((TZone + DST) * 3600);   //timezone and dst offsets
+    UpdateTimeRegs();
+}
+
+//--------------------------------------------------------------------------------------------------------------------------------------//
+//Wait and get a touched character
+
+int readTouch() {
+    do{
+        wait_ms(50);
+        ts.GetState(&TS_State);
+    } while(!(TS_State.touchDetected));
+    int TouchData = 255;
+    uint8_t idx;
+    uint16_t x, y;
+    do{
+        wait_ms(50);
+        for (idx = 0; idx < TS_State.touchDetected; idx++) {
+            x = TS_State.touchX[idx];
+            y = TS_State.touchY[idx];
+            TouchData = ss.Touch12Block(x, y);
+        }
+        ts.GetState(&TS_State);
+    } while(TS_State.touchDetected);
+    return(TouchData);
+}
+    
+//--------------------------------------------------------------------------------------------------------------------------------------//
+//Get 6 decimal characters from the TFT / touchscreen - use for date and time setting
+
+char dtArray[6];
+
+void Get6() {
+    while(1) {
+        int rt = 255;
+        int b = 1;
+        bool isNumb = false;
+        while(1) {
+            do{
+                wait_ms(100);
+                rt = readTouch();
+            } while(rt == 255);
+            
+            if(rt < 10) {
+                ss.TouchClockBlock(b, rt, false);
+                isNumb = true;
+                dtArray[b - 1] = rt;
+                if(b < 6) b++;
+            }
+            if(rt == '<') {
+                ss.TouchClockBlock(b, NULL, true);
+                if(b > 1) {
+                    b--;
+                    ss.TouchClockBlock(b, NULL, true);
+                }
+                isNumb = false;
+            }
+            if((rt == '#') && (b == 6) && (isNumb == true)) {
+                isNumb = false;
+                return;
+            }
+            if(rt == '#') {
+                isNumb = false;
+                wait_ms(100);
+            }
+            if(b > 6) b = 6;
+            if(b < 1) b = 1;
+            rt = 255;
+            wait_ms(300);
+        }
+    }
+}
+
+//--------------------------------------------------------------------------------------------------------------------------------------//
+//Manually set the date and time
+
+char DateTime[12]; 
+
+void SetRTClcd() {
+    ss.Draw12Block(1, LCD_COLOR_DARKGREEN, LCD_COLOR_YELLOW);  
+    ss.DrawClockBlock('/'); 
+    Get6();
+    for(int i = 0; i < 6; i++) {
+        DateTime[i] = dtArray[i];
+    }
+    ss.Draw12Block(1, LCD_COLOR_DARKGREEN, LCD_COLOR_YELLOW); 
+    ss.DrawClockBlock(':'); 
+    Get6();
+    for(int i = 0; i < 6; i++) {
+        DateTime[i + 6] = dtArray[i];
+    }
+
+    struct tm t;
+    t.tm_year = (2000 + (DateTime[4] * 10) + DateTime[5]);
+    t.tm_mon = ((DateTime[0] * 10) + DateTime[1]);
+    t.tm_mday = ((DateTime[2] * 10) + DateTime[3]);
+    t.tm_hour = ((DateTime[6] * 10) + DateTime[7]);
+    t.tm_min = ((DateTime[8] * 10) + DateTime[9]);
+    t.tm_sec = ((DateTime[10] * 10) + DateTime[11]);
+    
+    // adjust for tm structure required values
+    t.tm_year = t.tm_year - 1900;
+    t.tm_mon = t.tm_mon - 1;    
+    // set the time
+    time_t ctTime = mktime(&t);
+    ctTime = ctTime - (TZone + DST) * 3600;     //take out local time
+    set_time(ctTime);
+    UpdateTime();
+}
+
+//--------------------------------------------------------------------------------------------------------------------------------------//
+//main
+
+int main()
+{
+    //TS_StateTypeDef TS_State;
+    uint16_t x, y;
+    uint8_t status;
+    uint8_t idx;
+    uint8_t cleared = 0;
+    uint8_t prev_nb_touches = 0;
+    
+    gled = 1;
+    
+    pc.baud(230400);
+    
+    // Setting of button group
+    lcd.Clear(LCD_COLOR_BLACK);
+    lcd.SetBackColor(LCD_COLOR_BLACK);
+    lcd.SetTextColor(LCD_COLOR_CYAN);
+    lcd.SetFont(&Font20);
+    lcd.DisplayStringAt(0, LINE(5), (uint8_t *)"Set Clock Via LCD Demo", CENTER_MODE);
+    wait(3.0);
+    
+    status = ts.Init(lcd.GetXSize(), lcd.GetYSize());
+    if (status != TS_OK) {
+        lcd.Clear(LCD_COLOR_RED);
+        lcd.SetBackColor(LCD_COLOR_RED);
+        lcd.SetTextColor(LCD_COLOR_WHITE);
+        lcd.DisplayStringAt(0, LINE(5), (uint8_t *)"TOUCHSCREEN INIT FAIL", CENTER_MODE);
+    } else {
+        lcd.Clear(LCD_COLOR_GREEN);
+        lcd.SetBackColor(LCD_COLOR_GREEN);
+        lcd.SetTextColor(LCD_COLOR_WHITE);
+        lcd.DisplayStringAt(0, LINE(5), (uint8_t *)"TOUCHSCREEN INIT OK", CENTER_MODE);
+    }
+
+    wait(1.5);
+    
+    //go set the RTC via the LCD
+    SetRTClcd();
+
+    lcd.SetFont(&Font12);
+    lcd.Clear(LCD_COLOR_BLUE);
+    lcd.SetBackColor(LCD_COLOR_BLUE);
+    lcd.SetTextColor(LCD_COLOR_WHITE);
+
+    //the touchscreen demo with RTC in the lower-right corner
+    while (true) {
+        ts.GetState(&TS_State);
+        if (TS_State.touchDetected) {
+            // Clear lines corresponding to old touches coordinates
+            if (TS_State.touchDetected < prev_nb_touches) {
+                for (idx = (TS_State.touchDetected + 1); idx <= 5; idx++) {
+                    lcd.ClearStringLine(idx);
+                }
+            }
+            prev_nb_touches = TS_State.touchDetected;
+
+            cleared = 0;
+
+            sprintf((char*)lcd_text, "Touched: %d", TS_State.touchDetected);
+            lcd.DisplayStringAt(0, LINE(0), (uint8_t *)&lcd_text, LEFT_MODE);
+
+            for (idx = 0; idx < TS_State.touchDetected; idx++) {
+                x = TS_State.touchX[idx];
+                y = TS_State.touchY[idx];
+                sprintf((char*)lcd_text, "Touch %d: x=%d y=%d    ", idx+1, x, y);
+                lcd.DisplayStringAt(0, LINE(idx+1), (uint8_t *)&lcd_text, LEFT_MODE);
+            }
+            lcd.DrawPixel(TS_State.touchX[0], TS_State.touchY[0], LCD_COLOR_ORANGE);
+        } else {
+            if (!cleared) {
+                lcd.Clear(LCD_COLOR_BLUE);
+                sprintf((char*)lcd_text, "Touches: 0");
+                lcd.DisplayStringAt(0, LINE(0), (uint8_t *)&lcd_text, LEFT_MODE);
+                cleared = 1;
+            }
+        }
+        gled = !gled;
+        wait_ms(200);
+        UpdateTime();
+        DispClockLCD();
+    }
+}