Diff: main.cpp

Revision:

0:c0e0a185358d

Child:

1:271991ff8004

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Apr 30 02:13:16 2019 +0000
@@ -0,0 +1,100 @@
+/*
+ * e-Paper control program
+ *
+ * Copyright (c) 2019 Kenji Arai / JH1PJL
+ *  http://www.page.sannet.ne.jp/kenjia/index.html
+ *  http://mbed.org/users/kenjiArai/
+ *      Created:    April     27th, 2019
+ *      Revised:    April     30th, 2019
+ *
+ *  Tested on Nucleo-F446RE with mbed-os5.12.2
+ *
+ *  Refrence software
+ *  https://github.com/waveshare/e-Paper
+ *  https://os.mbed.com/users/imachooon/code/epd1in54/
+ *          Thanks imamura-san
+ *
+ *  Technical documents
+ *  https://www.waveshare.com/wiki/2.13inch_e-Paper_HAT_(B)
+ *
+ *  Product
+ *  http://akizukidenshi.com/catalog/g/gP-13757/
+ *  https://www.waveshare.com/2.13inch-e-paper-hat-b.htm
+ */
+
+//  Include --------------------------------------------------------------------
+#include "mbed.h"
+#include "epd2in13c.h"
+#include "epdpaint.h"
+
+//  Definition -----------------------------------------------------------------
+#define COLORED     0
+#define UNCOLORED   1
+
+//  Constructor ----------------------------------------------------------------
+//            mosi, miso, sclk, cs, dc, rst, busy, pwr
+Epd epd = Epd(  D4,   NC,   D3,D10, D9,  D8,   D7,  NC);
+DigitalOut myled(LED1);
+DigitalIn  sw(USER_BUTTON);
+Serial pc(USBTX, USBRX);
+Timer t;
+
+//  RAM ------------------------------------------------------------------------
+uint8_t image[EPD_HEIGHT*(EPD_WIDTH/8 + 1)];
+
+//  ROM / Constant data --------------------------------------------------------
+
+//  Function prototypes --------------------------------------------------------
+extern void time_enter_mode(void);
+
+//------------------------------------------------------------------------------
+//  Control Program
+//------------------------------------------------------------------------------
+int main()
+{
+    time_t seconds;
+    char buf[32];
+
+    t.reset();
+    t.start();
+    if (sw == 0) {  // USER BUTTON is on then go to time enter mode
+        time_enter_mode();
+    }
+    seconds = time(NULL);   // read current time
+    if (epd.Init() != 0) {  // initialize e-Paper control program
+        printf("e-Paper init failed");
+        return -1;
+    }
+    epd.ClearFrame();
+    ThisThread::sleep_for(200);
+    Paint paint(image, EPD_WIDTH, EPD_HEIGHT);
+    paint.Clear(UNCOLORED);
+    paint.SetRotate(ROTATE_90);
+    paint.DrawStringAt(0,  4,  "12345678901234567890123456789",
+                       &Font12, COLORED);
+    paint.DrawStringAt(0, 16, "Waveshare 2.13 e-Paper WBY",
+                       &Font12, COLORED);
+    paint.DrawStringAt(0, 30, "Run on mbed-os5.12",
+                       &Font16, COLORED);
+    paint.DrawStringAt(0, 42, "   tested on Nucleo-F446RE",
+                       &Font12, COLORED);
+    paint.DrawStringAt(0, 54, "         by JH1PJL ",
+                       &Font12, COLORED);
+    strftime(buf, 30, "'%y-%m-%d %H:%M", localtime(&seconds));
+    paint.DrawStringAt(0, 90, buf, &Font16, COLORED);
+    strftime(buf, 30, " %B %d,'%y, %H:%M:%S", localtime(&seconds));
+    pc.puts(buf);
+    epd.SetPartialWindowBlack(paint.GetImage(), 0, 8,
+                              paint.GetWidth(), paint.GetHeight());
+    paint.Clear(UNCOLORED);
+    paint.SetRotate(ROTATE_90);
+    paint.DrawFilledRectangle(0, 74, 180, 80, COLORED);
+    paint.DrawFilledCircle(180, 76, 18, COLORED);
+    epd.SetPartialWindowYellow(paint.GetImage(), 0, 8,
+                               paint.GetWidth(), paint.GetHeight());
+    epd.DisplayFrame();
+    epd.Sleep();
+    pc.printf("  Display + Refresh time = %5.1f Sec\r\n", t.read());
+    ThisThread::sleep_for((1000 * 60 * 5) - t.read_ms());   // sleep 5 minutes
+    system_reset(); // restart
+}