Diff: EwGuiImpl.cpp

Revision:

0:7f5765fcd048

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/EwGuiImpl.cpp	Tue Jul 14 11:34:15 2015 +0000
@@ -0,0 +1,206 @@
+#include "EwGuiImpl.h"
+
+#include "LcdController.h"
+#include "EaLcdBoardGPIO.h"
+#include "sdram.h"
+#include "AR1021I2C.h"
+
+
+#define PIXEL_SIZE (2)
+
+#define LCD_CONFIGURATION_43 \
+        40,                         /* horizontalBackPorch */ \
+        5,                          /* horizontalFrontPorch */ \
+        2,                          /* hsync */ \
+        480,                        /* width */ \
+        8,                          /* verticalBackPorch */ \
+        8,                          /* verticalFrontPorch */ \
+        2,                          /* vsync */ \
+        272,                        /* height */ \
+        false,                      /* invertOutputEnable */ \
+        false,                      /* invertPanelClock */ \
+        true,                       /* invertHsync */ \
+        true,                       /* invertVsync */ \
+        1,                          /* acBias */ \
+        LcdController::Bpp_16_565,  /* bpp */ \
+        9000000,                    /* optimalClock */ \
+        LcdController::Tft,         /* panelType */ \
+        false                       /* dualPanel */
+
+#define LCD_INIT_STRING_43  (char*)"v1,cd0,c50,cc0,c30,d100,c31,d100,cd1,d10,o,c51,cc100"
+
+#define LCD_CONFIGURATION_50 \
+        46,                         /* horizontalBackPorch */ \
+        20,                          /* horizontalFrontPorch */ \
+        2,                          /* hsync */ \
+        800,                        /* width */ \
+        23,                          /* verticalBackPorch */ \
+        10,                          /* verticalFrontPorch */ \
+        3,                          /* vsync */ \
+        480,                        /* height */ \
+        false,                      /* invertOutputEnable */ \
+        false,                      /* invertPanelClock */ \
+        true,                       /* invertHsync */ \
+        true,                       /* invertVsync */ \
+        1,                          /* acBias */ \
+        LcdController::Bpp_16_565,  /* bpp */ \
+        30000000,                   /* optimalClock */ \
+        LcdController::Tft,         /* panelType */ \
+        false                       /* dualPanel */
+
+#define LCD_INIT_STRING_50  (char*)"v1,cc0,c31,d50,o,d200,c51,cc100"
+
+EwGuiImpl::EwGuiImpl(WhichDisplay which) {
+
+    EaLcdBoardGPIO lcdBoard(P0_27, P0_28);
+    EaLcdBoardGPIO::Result result;
+	  LcdController::Config* lcdCfg;
+
+    do {
+
+				switch (which) {
+						case TFT_5:
+								lcdCfg = new LcdController::Config(LCD_CONFIGURATION_50);
+							  result = lcdBoard.open(lcdCfg, LCD_INIT_STRING_50);
+								break;
+						case TFT_4_3:
+								lcdCfg = new LcdController::Config(LCD_CONFIGURATION_43);
+							  result = lcdBoard.open(lcdCfg, LCD_INIT_STRING_43);
+								break;
+						default:
+								mbed_die();
+				}
+        
+        if (result != EaLcdBoard::Ok) {
+            printf("Failed to open display: %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);
+
+        // create touch panel
+				_touch = new AR1021I2C(P0_27, P0_28, P2_25);
+
+        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);
+}
+