Diff: main.cpp

Revision:

0:fc1642aade4a

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Dec 06 23:31:49 2019 +0000
@@ -0,0 +1,128 @@
+/*
+ * e-Paper control program
+ * MODIFIED by Mark Roberts for the Waveshare 2.7inch Pi Hat
+ * Tested on Nucleo L432KC with pins as defined below...
+ * https://www.waveshare.com/wiki/2.7inch_e-Paper_HAT?spm=a2g0o.detail.1000023.17.1e014701V7d4HU&file=2.7inch_e-Paper_HAT
+ *
+ * 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:    June      29th, 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 "epd2in7b.h"
+#include "epdpaint.h"
+
+//  Definition -----------------------------------------------------------------
+#define COLORED     0
+#define UNCOLORED   1
+
+//  Constructor ----------------------------------------------------------------
+//  3.3V, GND, DIN,     ,  CLK,  CS, DC, RST, BUSY,   <- 2.13inch e-Paper pin   
+//            mosi, miso, sclk,  cs, dc, rst, busy, pwr
+Epd epd = Epd(  PB_5,   NC,   PB_3, PA_11, PA_0,  PA_12,   PA_1,  NC);  // modified for NUCLEO_L432KC
+
+Serial pc(USBTX, USBRX);
+Timer t;
+static int timeSet = 0;
+
+//  RAM ------------------------------------------------------------------------
+uint8_t image[EPD_VERT*(EPD_HORIZ/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 (timeSet == 0) {  // if time not set then go to time enter mode
+        time_enter_mode();
+	timeSet = 1;
+    }
+*/
+    seconds = time(NULL);   // read current time
+    if (epd.Init() != 0) {  // initialize e-Paper control program
+        printf("e-Paper init failed");
+        return -1;
+    }
+    epd.ClearFrame();
+    printf("Clear Frame completed\r\n");
+    ThisThread::sleep_for(200);
+    Paint paint(image, EPD_HORIZ, EPD_VERT);
+    paint.Clear(UNCOLORED);   
+    printf("Clear uncolored 1 complete\r\n");
+
+    paint.SetRotate(ROTATE_90);
+    paint.DrawStringAt(0,  4,  "12345678901234567890123456789",
+                       &Font8, COLORED);
+    paint.DrawStringAt(0,  16,  "12345678901234567890123456789",
+                       &Font12, COLORED);
+    paint.DrawStringAt(0,  32,  "12345678901234567890123",
+                       &Font16, COLORED);
+    paint.DrawStringAt(0,  54,  "123456789012345678",
+                       &Font20, COLORED);
+    paint.DrawStringAt(0,  80,  "123456789012345",
+                       &Font24, COLORED);
+    paint.DrawStringAt(0, 110, "Waveshare 2.7 e-Paper WBR",
+                       &Font12, COLORED);
+    paint.DrawStringAt(0, 124, "   tested on Nucleo-L432KC",
+                       &Font12, COLORED);
+    paint.DrawStringAt(0, 138, "      by mdroberts1243 ",
+                       &Font12, COLORED);
+    strftime(buf, 30, "'%y-%m-%d %H:%M", localtime(&seconds));
+    paint.DrawStringAt(0, 160, buf, &Font16, COLORED);
+    printf("Text paint buffer rendered\r\n");
+
+    epd.SetPartialWindowBlack(paint.GetImage(), 0, 8,
+                              paint.GetWidth(), paint.GetHeight());
+    printf("SetPartialWindowBlack\r\n");
+
+    paint.Clear(UNCOLORED);
+    printf("Clear uncolored 2 complete\r\n");
+    paint.SetRotate(ROTATE_90);
+    paint.DrawFilledRectangle(0, 150, 250, 156, COLORED);
+    printf("Filled rectangle\r\n");
+    paint.DrawFilledCircle(244, 150, 18, COLORED);
+    printf("Filled circle\r\n");
+    epd.SetPartialWindowRed(paint.GetImage(), 0, 8,
+                               paint.GetWidth(), paint.GetHeight());
+    printf("SetPartialWindowRed\r\n");
+
+    epd.DisplayFrame();
+    printf("DisplayFrame\r\n");
+
+    epd.Sleep();
+
+    strftime(buf, 30, " %B %d,'%y, %H:%M:%S", localtime(&seconds));
+    pc.puts(buf);
+    pc.printf("  Display + Refresh time = %5.1f Sec\r\n", t.read());
+    ThisThread::sleep_for((1000 * 60 * 1) - t.read_ms());   // sleep 1 minute
+    system_reset(); // restart
+}