Embedded Artists
Template for creating new programs for the LPC4088 Display Module
Dependencies: DMBasicGUI DMSupport
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lpc4088_displaymodule_hello_world
by 
EmbeddedArtists AB
A minimal example showing how to initialize the display module and draw a message on the display.
This project can be selected as a template when creating a new project based on the LPC4088 Display Module.
Information
This project works on both the 4.3" and 5" display modules.
This is what it looks like:
Diff: main.cpp
- Revision:
- 0:8ef5f57e33dc
- Child:
- 7:791d32dd9dd9
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Wed Jan 28 15:16:25 2015 +0000
@@ -0,0 +1,58 @@
+#include "mbed.h"
+#include "DMBoard.h"
+#include "lpc_swim.h"
+#include "lpc_swim_font.h"
+
+int main()
+{
+ DMBoard::BoardError err;
+ DMBoard* board = &DMBoard::instance();
+ RtosLog* log = board->logger();
+ Display* disp = board->display();
+
+ do {
+ err = board->init();
+ if (err != DMBoard::Ok) {
+ log->printf("Failed to initialize the board, got error %d\r\n", err);
+ break;
+ }
+
+ log->printf("\n\nHello World!\n\n");
+
+ SWIM_WINDOW_T win;
+ void* fb = disp->allocateFramebuffer();
+ if (fb == NULL) {
+ log->printf("Failed to allocate memory for a frame buffer\r\n");
+ err = DMBoard::MemoryError;
+ break;
+ }
+
+ // Prepare fullscreen
+ swim_window_open(&win,
+ disp->width(), disp->height(), // full size
+ (COLOR_T*)fb,
+ 0,0,disp->width()-1, disp->height()-1, // window position and size
+ 1, // border
+ WHITE, BLUE, BLACK); // colors: pen, backgr, forgr
+ swim_set_title(&win, "My Program", BLACK);
+
+ // Message
+ swim_put_text_xy(&win, "Hello World!", 100, 100);
+
+ // Start display in default mode (16-bit)
+ Display::DisplayError disperr = disp->powerUp(fb);
+ if (disperr != Display::DisplayError_Ok) {
+ log->printf("Failed to initialize the display, got error %d\r\n", disperr);
+ break;
+ }
+ } while(false);
+
+ if (err != DMBoard::Ok) {
+ log->printf("\nTERMINATING\n");
+ wait_ms(2000); // allow RtosLog to flush messages
+ mbed_die();
+ }
+
+ while(true) {
+ }
+}