Danton Canut Benemann / Mbed 2 deprecated SDCard

cauqleuir madre

Dependencies:   SDFileSystem mbed TFTLCD

main.cpp@37:836771aa9230, 2013-02-02 (annotated)

Committer:
Danton
Date:
Sat Feb 02 04:25:32 2013 +0000
Revision:
37:836771aa9230
Parent:
36:810bd3eb129c
Child:
38:7a646be3854c
trued to put the offset at sad read ihope it does not fail horrendously

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Danton 0:a11b3a90c259 1 #include "mbed.h"
Danton 0:a11b3a90c259 2 #include "SDFileSystem.h"
Danton 2:e205fa129def 3 #include "hx8340bs.h"
Danton 21:ed9ea3485f93 4 void superDisplay()
Danton 21:ed9ea3485f93 5 {
Danton 21:ed9ea3485f93 6 HX8340S_LCD lcd( p9, p14, p13, p11);
Danton 21:ed9ea3485f93 7 lcd.Initialize();
Danton 21:ed9ea3485f93 8 lcd.ClearScreen();
Danton 28:4a233bc57aab 9 lcd.FillScreen(COLOR_BLUE);
Danton 35:ad5fa2b439ad 10 //printf("superDisplay\c\n");
Danton 21:ed9ea3485f93 11 }
Danton 21:ed9ea3485f93 12 void superSd(unsigned char*buffer,int offset,int bytes,const char *path)
Danton 15:3bfbb557020e 13 {
Danton 22:9e6c02d5f85d 14 printf("superSD\c\n");
Danton 15:3bfbb557020e 15 SDFileSystem sd(p11, p12, p13, p8, "sd"); // the pinout on the mbed Cool Components workshop board
Danton 21:ed9ea3485f93 16 FILE *fp =fopen(path, "r");
Danton 15:3bfbb557020e 17
Danton 15:3bfbb557020e 18 if(fp == NULL) {
Danton 15:3bfbb557020e 19 error("Could not open file\c\n");
Danton 15:3bfbb557020e 20 }
Danton 15:3bfbb557020e 21 //fprintf(fp, "Hello fun SD Card World!\c\n");
Danton 15:3bfbb557020e 22 //fread ( void * ptr, size_t size, size_t count, FILE * stream );
Danton 36:810bd3eb129c 23 printf("offset at ssd %d\n",offset);
Danton 17:3d7951357fd3 24 fseek(fp, offset,SEEK_SET);
Danton 37:836771aa9230 25 fread((char*)buffer,offset,bytes,fp);
Danton 15:3bfbb557020e 26 fclose(fp);
Danton 15:3bfbb557020e 27
Danton 15:3bfbb557020e 28 }
Danton 21:ed9ea3485f93 29 void colorCompute(unsigned char*buffer, unsigned int* colorBuffer,int offset,int sizeOfBuffer)
Danton 21:ed9ea3485f93 30 {
Danton 35:ad5fa2b439ad 31 //printf("ColorCompute\c\n");
Danton 26:dd8e83feefb9 32 int aux= sizeOfBuffer+offset;
Danton 27:bae83e4c9fce 33 int j=offset;
Danton 27:bae83e4c9fce 34 for(int i=i;i<sizeOfBuffer;i=i+4)
Danton 21:ed9ea3485f93 35 {
Danton 35:ad5fa2b439ad 36 //printf("%d ",i);
Danton 27:bae83e4c9fce 37 colorBuffer[j]=buffer[i]<<16+buffer[i+1]<<8+buffer[i+2];
Danton 27:bae83e4c9fce 38 j++;
Danton 21:ed9ea3485f93 39 }
Danton 35:ad5fa2b439ad 40 //printf("\n");
Danton 21:ed9ea3485f93 41 }
Danton 34:451b67720e07 42 void pickUpLine(unsigned char*buffer, unsigned int* colorBuffer,int sizeOfBuffer,int sizeOfLine,const char *path, int absPtr)
Danton 21:ed9ea3485f93 43 {
Danton 22:9e6c02d5f85d 44 printf("Pickupline\c\n");
Danton 34:451b67720e07 45 int i =absPtr;
Danton 25:b81df542785e 46 int delta=20;
Danton 21:ed9ea3485f93 47 for(int j=0;j<sizeOfLine;j=j+delta)
Danton 21:ed9ea3485f93 48 {
Danton 21:ed9ea3485f93 49 superSd(buffer,i,sizeOfBuffer,path);
Danton 24:1acd0368a592 50 printf("byteofFile%d, pixelnum %d, delta %d",i,j,delta);
Danton 21:ed9ea3485f93 51 colorCompute(buffer,colorBuffer,j,sizeOfBuffer);
Danton 21:ed9ea3485f93 52 i=i+delta;
Danton 21:ed9ea3485f93 53 }
Danton 21:ed9ea3485f93 54
Danton 21:ed9ea3485f93 55 }
Danton 21:ed9ea3485f93 56 void drawLine(unsigned int* color,int y)
Danton 15:3bfbb557020e 57 {
Danton 37:836771aa9230 58 HX8340S_LCD lcd(p9, p14, p13, p11);
Danton 33:7154faa730e5 59 //lcd.Initialize();
Danton 33:7154faa730e5 60 DigitalOut scr(p9);
Danton 33:7154faa730e5 61 scr=0;
Danton 35:ad5fa2b439ad 62 //printf("drawline\c\n");
Danton 35:ad5fa2b439ad 63 //lcd.FillScreen(COLOR_GREEN);
Danton 19:089c4027bfba 64 for(int i=0;i<220;i++)
Danton 19:089c4027bfba 65 {
Danton 34:451b67720e07 66 lcd.DrawPixel(i,y,color[i]);
Danton 35:ad5fa2b439ad 67 //printf("i=%d color=%x \n",i, (int)color[i]);
Danton 21:ed9ea3485f93 68
Danton 19:089c4027bfba 69 }
Danton 15:3bfbb557020e 70 }
Danton 21:ed9ea3485f93 71
Danton 21:ed9ea3485f93 72 /*void drawScreen(unsigned char*buffer,unsigned int* colorBuffer,int sizeOfBuffer,int sizeOfLine,const char *path)
Danton 21:ed9ea3485f93 73 {
Danton 21:ed9ea3485f93 74 for(int i=0; i<176;i++)
Danton 21:ed9ea3485f93 75 {
Danton 21:ed9ea3485f93 76 pickUpLine
Danton 21:ed9ea3485f93 77 }
Danton 21:ed9ea3485f93 78 }
Danton 21:ed9ea3485f93 79 */
Danton 0:a11b3a90c259 80 int main() {
Danton 6:ac9692245a01 81 printf("Hello Stinky World!\c\n");
Danton 0:a11b3a90c259 82
Danton 2:e205fa129def 83 //mkdir("/sd/mydir", 0777);
Danton 0:a11b3a90c259 84
Danton 15:3bfbb557020e 85
Danton 21:ed9ea3485f93 86 unsigned char rawbytes[80];
Danton 21:ed9ea3485f93 87 unsigned int color[220];
Danton 34:451b67720e07 88 unsigned int absPtr=54;
Danton 22:9e6c02d5f85d 89 superDisplay();
Danton 35:ad5fa2b439ad 90 for(int i=0;i<176;i++)
Danton 34:451b67720e07 91 {
Danton 34:451b67720e07 92 pickUpLine(rawbytes,color,80,220,"/sd/mydir/rose.bmp",absPtr);
Danton 34:451b67720e07 93 drawLine(color,i);
Danton 36:810bd3eb129c 94 absPtr=absPtr+880;
Danton 35:ad5fa2b439ad 95 printf("absptr %d\n", absPtr);
Danton 34:451b67720e07 96 }
Danton 15:3bfbb557020e 97
Danton 0:a11b3a90c259 98 printf("Goodbye World!\c\n");
Danton 0:a11b3a90c259 99 }