Diff: main.cpp

Revision:

7:c971d55efc99

Parent:

2:b60cb847489c

--- a/main.cpp	Wed Sep 13 11:30:50 2017 +0000
+++ b/main.cpp	Mon Jan 07 19:18:43 2019 +0000
@@ -1,12 +1,53 @@
 #include "mbed.h"
+#include "epd1in54.h"
+
+Serial serial(USBTX, USBRX,115200);                 //Local terminal Baud rate 
+
+//E-ink Display
+PinName rst; PinName dc; PinName busy; PinName mosi; PinName miso; PinName sclk; PinName cs;
+unsigned char frame_black[EPD_HEIGHT*EPD_WIDTH/8];
+Epd epd = Epd(PB_5, PB_4, PB_3, PA_8, PC_4, PC_7, PB_10);
+
+double liquidTemp = 0;
+double ambientTemp = 0;
+char cValt[32];
 
-DigitalOut myled(LED1);
+int Display(double t)
+{
+Epd epd = Epd(PB_5, PB_4, PB_3, PA_8, PC_4, PC_7, PB_10);
+    
+    sprintf(cValt,"%.2f", t);    
+    memset(frame_black, 0xFF, sizeof(unsigned char)*EPD_HEIGHT*EPD_WIDTH/8);
+    if (epd.Init(lut_full_update) != 0) {
+        return -1;
+    }
+    //Write strings to the buffer 
+    epd.DrawStringAt(frame_black, 0, 50, cValt, &Font72, COLORED);
+   
+    // Display the frame_buffer 
+    epd.SetFrameMemory(frame_black, 0, 0, epd.width, epd.height);
+    epd.DisplayFrame();
+    epd.Sleep();
+    return 1;
+    }
+
+
+
+
+
+
 
 int main() {
+
     while(1) {
-        myled = 1; // LED is ON
-        wait(0.2); // 200 ms
-        myled = 0; // LED is OFF
-        wait(1.0); // 1 sec
+        serial.printf("SystemCoreClock is %d Hz...........\r\n", SystemCoreClock); 
+        wait(2);
+        
+            ambientTemp = 20.0;
+            printf("Ambient Temperature %3.1foC\r\n", ambientTemp);
+            liquidTemp = 20.5;
+            printf("liquid Temperature %3.1foC\r\n", liquidTemp);
+            Display(ambientTemp);
+            wait(2); //little delay to prevent double writing
     }
 }