Diff: EwGuiImpl.cpp

Revision:

0:2052561807c5

diff -r 000000000000 -r 2052561807c5 EwGuiImpl.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/EwGuiImpl.cpp	Mon Dec 16 10:58:05 2013 +0000
@@ -0,0 +1,182 @@
+#include "EwGuiImpl.h"
+
+#include "LcdController.h"
+#include "EaLcdBoard.h"
+#include "sdram.h"
+#include "AR1021.h"
+#include "TSC2046.h"
+
+
+#define PIXEL_SIZE (2)
+
+EwGuiImpl::EwGuiImpl() {
+
+    EaLcdBoard lcdBoard(P0_27, P0_28);
+    EaLcdBoard::Result result;
+    LcdController::Config lcdCfg;
+    EaLcdBoard::TouchParams_t touchParams;
+
+    do {
+
+        result = lcdBoard.open(NULL, NULL);
+        if (result != EaLcdBoard::Ok) {
+            printf("Failed to open display: %d\n", result);
+            break;
+        }
+
+        result = lcdBoard.getLcdConfig(&lcdCfg);
+        if (result != EaLcdBoard::Ok) {
+            printf("Failed to get LCD configuration: %d\n", result);
+            break;
+        }
+
+        _width = lcdCfg.width;
+        _height = lcdCfg.height;
+
+        // allocate buffer, width x height x 2 (2 bytes = 16 bit color data)
+        _fb = (uint32_t)malloc(_width*_height*PIXEL_SIZE);
+        if (_fb == 0) {
+            printf("Failed to allocate frame buffer\n");
+            break;
+        }
+
+        result = lcdBoard.setFrameBuffer(_fb);
+        if (result != EaLcdBoard::Ok) {
+            printf("Failed to activate frameBuffer: %d\n", result);
+            break;
+        }
+
+        _memSz = 1024*1024*5;
+        _mem = (uint32_t)malloc(_memSz);
+        if (_mem == 0) {
+            printf("Failed to allocate memory block for emwin\n");
+            break;
+        }
+
+
+        memset((void*)_fb, 0x0, _width*_height*PIXEL_SIZE);
+
+        result = lcdBoard.getTouchParameters(&touchParams);
+        if (result != EaLcdBoard::Ok) {
+            printf("Failed to get touch panel parameters: %d\n", result);
+            break;
+        }
+
+        // create touch panel
+        switch(touchParams.panelId) {
+        case EaLcdBoard::TouchPanel_AR1021:
+            printf("creating AR1021 touch panel\n");
+            _touch = new AR1021(P2_27, P2_26, P2_22, P2_21, P2_25);
+            break;
+
+        case EaLcdBoard::TouchPanel_TSC2046:
+        case EaLcdBoard::TouchPanelUnknown:
+        default:
+            // we always default to TSC2046 even if we cannot
+            // detect which panel is used
+
+            printf("creating TSC2046 touch panel\n");
+
+            _touch = new TSC2046(P2_27, P2_26, P2_22, P2_21);
+            break;
+
+        }
+
+        if (!_touch->init(_width, _height)) {
+            printf("TouchPanel.init failed\n");
+            break;
+        }
+
+        init();
+
+    } while(0);
+
+
+}
+
+void* EwGuiImpl::getMemoryBlockAddress() {
+    return (void*)_mem;
+}
+
+uint32_t EwGuiImpl::getMemoryBlockSize() {
+    return _memSz;
+}
+
+uint32_t EwGuiImpl::getDisplayWidth() {
+    return _width;
+}
+
+uint32_t EwGuiImpl::getDisplayHeight() {
+    return _height;
+}
+
+void* EwGuiImpl::getFrameBufferAddress() {
+    return (void*)_fb;
+}
+
+void EwGuiImpl::getTouchValues(int32_t* x, int32_t* y, int32_t* z) {
+
+    if (!x || !y || !z) return;
+
+    TouchPanel::touchCoordinate_t coord;
+    _touch->read(coord);
+
+    *x = coord.x;
+    *y = coord.y;
+    *z = coord.z;
+}
+
+void EwGuiImpl::calibrate() {
+
+    uint16_t x = 0;
+    uint16_t y = 0;
+    bool hasMorePoints = false;
+
+    EwPainter painter;
+    painter.saveContext();
+
+    do {
+
+        printf("Starting calibration\n");
+        if (!_touch->calibrateStart()) {
+            printf("Failed to start calibration\n");
+            break;
+        }
+
+        do {
+            if (!_touch->getNextCalibratePoint(&x, &y)) {
+                printf("Failed to get next calibrate point\n");
+                break;
+            }
+
+            printf("calib: x=%d, y=%d\n", x, y);
+            drawCalibPoint(painter, x, y);
+
+            if (!_touch->waitForCalibratePoint(&hasMorePoints, 0)) {
+                printf("Failed waiting for calibration point\n");
+                break;
+            }
+
+        } while(hasMorePoints);
+
+        printf("Calibration done\n");
+
+
+    } while (0);
+
+
+    painter.clear();
+    painter.restoreContext();
+}
+
+void EwGuiImpl::drawCalibPoint(EwPainter &painter, int32_t x, int32_t y) {
+
+    painter.clear();
+    painter.setColor(EW_WHITE);
+    painter.drawStringHorizCenter("Touch circle to calibrate",
+            getDisplayWidth()/2, getDisplayHeight()/2);
+
+    painter.fillCircle(x, y, 10);
+    painter.setColor(EW_BLACK);
+    painter.fillCircle(x, y, 5);
+}