Diff: main.cpp

Revision:

0:578693ea5eda

Child:

1:402194ce99cc

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sat Nov 11 23:27:58 2017 +0000
@@ -0,0 +1,107 @@
+#include "mbed.h"
+#include "SD_DISCO_F469NI.h"
+#include "LCD_DISCO_F469NI.h"
+#include "LogoBitmap.h"
+ 
+SD_DISCO_F469NI sd;
+LCD_DISCO_F469NI lcd;
+Serial pc(USBTX, USBRX);
+
+#define START_ADDR 0
+
+const uint32_t LogoHeight=200;
+const uint32_t LogoWidth=400;
+uint32_t LogoMemory=LogoHeight*LogoWidth*4;
+uint32_t BitmapSD[LogoHeight*LogoWidth];
+uint32_t StartXPos=0;
+uint32_t StartYPos=0;
+
+void WriteLogo(SD_DISCO_F469NI sd);
+void PrintLogo();
+
+int main(){
+    
+    uint8_t SD_state = MSD_OK;
+    pc.printf("SD\n");
+    SD_state = sd.Init();
+    if(SD_state != MSD_OK){
+        if(SD_state == MSD_ERROR_SD_NOT_PRESENT){
+            pc.printf("SD shall be inserted before running test\n");
+        } else {
+            pc.printf("SD Initialization : FAIL.\n");
+        }
+        pc.printf("SD Test Aborted.\n");
+    } else {
+        pc.printf("SD Initialization : OK.\n");
+    };
+    
+    uint32_t p,q;
+    uint32_t BlockBuffer[128];
+    uint16_t xpos=0,ypos=0;
+    for(p=0;p<625;p++){
+        sd.ReadBlocks(BlockBuffer,START_ADDR+p*512,1,SD_DATATIMEOUT);
+        pc.printf("BlockBuffer %d copied from SD\n",p);
+        for(q=0;q<128;q++){
+            //pc.printf("%x",BlockBuffer[q]);
+            if(ypos<LogoHeight){
+               lcd.DrawPixel(StartXPos+xpos,StartYPos+ypos,BlockBuffer[q]);
+               ypos++;
+            }
+            else{
+                xpos++;
+                lcd.DrawPixel(StartXPos+xpos,StartYPos+ypos,BlockBuffer[q]);
+                ypos=1;
+            }
+            //pc.printf("Drawed\n");
+        }
+    }
+    
+    
+    while(1){
+    };
+};
+
+void WriteLogo(SD_DISCO_F469NI sd){
+    uint32_t p,q;
+    uint32_t BlockBuffer[128];
+    for (p=0;p<625;p++){
+        for(q=0;q<128;q++){
+            BlockBuffer[q]=LogoBitmap[p*128+q];
+            pc.printf("Blockbuffer[%d]=%x\n",q,BlockBuffer[q]);
+        };       
+        if(sd.WriteBlocks(BlockBuffer,START_ADDR+p*512,1,SD_DATATIMEOUT)!=MSD_OK){
+            pc.printf("Blockbuffer copy to SD failed.");
+        };
+        pc.printf("BlockBuffer %d copied\n",p);
+    };
+    pc.printf("Bitmap copied to SD");
+};
+
+
+
+void PrintLogo(){
+    uint32_t p,q;
+    uint32_t BlockBuffer[128];
+    uint16_t xpos=0,ypos=0;
+    for(p=0;p<625;p++){
+        sd.ReadBlocks(BlockBuffer,START_ADDR+p*512,1,SD_DATATIMEOUT);
+        for(q=0;q<128;q++){
+            if(ypos<LogoHeight){
+               lcd.DrawPixel(StartXPos+xpos,StartYPos+ypos,BlockBuffer[q]);
+            }
+            else{
+                xpos++;
+                lcd.DrawPixel(StartXPos+xpos,StartYPos+ypos,BlockBuffer[q]);
+            }
+        }
+    }
+};  
+            
+    
+    
+    
+    
+    
+    
+    
+    
\ No newline at end of file