Diff: main.cpp

Revision:

0:e3a8eb7dada7

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Jul 30 05:21:42 2015 +0000
@@ -0,0 +1,87 @@
+#include "mbed.h"
+#include "Adafruit_ST7735.h"
+#include "SDFileSystem.h"
+
+#define BUTTON_NONE 0
+#define BUTTON_DOWN 1
+#define BUTTON_RIGHT 2
+#define BUTTON_SELECT 3
+#define BUTTON_UP 4
+#define BUTTON_LEFT 5
+
+#define BUFFPIXEL 20
+SDFileSystem sd(PB_3, PB_2, PB_1, PB_0, "SD"); // the pinout on the mbed
+Adafruit_ST7735 tft(D11, D12, D13, D10, D8, D9); // MOSI, MISO, SCLK, SSEL, TFT_DC, TFT_RST
+AnalogIn joystick(A3);
+
+uint8_t readButton(void);
+void bmpDraw(char *filename, uint8_t x, uint8_t y);
+
+void main(void)
+{
+    uint8_t buttonhistory = 0;
+    
+    // Initialize 1.8" TFT
+    tft.initR(INITR_BLACKTAB);   // initialize a ST7735S chip, black tab
+
+    printf("OK!\r\n");
+    tft.fillScreen(ST7735_BLACK);
+
+    while(1)
+    {
+        uint8_t b = readButton();
+        tft.setTextSize(3);
+        if (b == BUTTON_DOWN) {
+            tft.setTextColor(ST7735_RED);
+            tft.setCursor(0, 10);
+            tft.printf("Down ");
+            buttonhistory |= 1;
+        }
+        if (b == BUTTON_LEFT) {
+            tft.setTextColor(ST7735_YELLOW);
+            tft.setCursor(0, 35);
+             tft.printf("Left ");
+            buttonhistory |= 2;
+        }
+        if (b == BUTTON_UP) {
+            tft.setTextColor(ST7735_GREEN);
+            tft.setCursor(0, 60);
+            tft.printf("Up"); 
+            buttonhistory |= 4;
+        }
+        if (b == BUTTON_RIGHT) {
+            tft.setTextColor(ST7735_BLUE);
+            tft.setCursor(0, 85);
+            tft.printf("Right");
+            buttonhistory |= 8;
+        }
+        if ((b == BUTTON_SELECT) && (buttonhistory == 0xF)) {
+            tft.setTextColor(ST7735_MAGENTA);
+            tft.setCursor(0, 110);
+            tft.printf("SELECT");
+            buttonhistory |= 8;
+            wait_ms(2000);
+            printf("Initializing SD card...\r\n");
+//            if(tft.BMP_16(0, 0, "/SD/parrot.bmp"))
+                printf("a\r\n");
+                tft.DrawBitmapFile("/SD/parrot.bmp");
+//            else
+                printf("b\r\n");
+        }
+        wait_ms(100);
+    }
+}
+
+uint8_t readButton(void) {
+    float a = joystick.read();
+      
+    a *= 5.0;
+          
+    printf("Button read analog = %f\r\n",a);
+    if (a < 0.2) return BUTTON_DOWN;
+    if (a < 1.0) return BUTTON_RIGHT;
+    if (a < 1.7) return BUTTON_SELECT;
+    if (a < 2.6) return BUTTON_UP;
+    if (a < 4.6) return BUTTON_LEFT;
+    else return BUTTON_NONE;
+}