yoshinari kou / Mbed 2 deprecated WW_SDCardTest

White Wizard micro SD Card module test program.You can use White Wizard SPI system easily! Details : http://wizard.nestegg.jp/sd.html

Dependencies:   mbed

wwChipSelect.cpp@1:731d34c1b57d, 2011-08-31 (annotated)

Committer:
halfpitch
Date:
Wed Aug 31 15:32:09 2011 +0000
Revision:
1:731d34c1b57d
Parent:
0:b8ab9a03a28d 
Rev.B

Who changed what in which revision?

UserRevisionLine numberNew contents of line
halfpitch 0:b8ab9a03a28d 1 //Nest Egg Inc.
halfpitch 0:b8ab9a03a28d 2 //http://nestegg.jp/
halfpitch 0:b8ab9a03a28d 3 //White Wizard Board SPI Chip Select Code
halfpitch 0:b8ab9a03a28d 4 //Auther : Yoshinari kou
halfpitch 0:b8ab9a03a28d 5 //2010/10/03
halfpitch 0:b8ab9a03a28d 6
halfpitch 0:b8ab9a03a28d 7 #include "wwChipSelect.h"
halfpitch 0:b8ab9a03a28d 8
halfpitch 0:b8ab9a03a28d 9 wwChipSelect :: wwChipSelect(PinName cs):
halfpitch 0:b8ab9a03a28d 10 ChipSelect(cs){
halfpitch 0:b8ab9a03a28d 11 }
halfpitch 0:b8ab9a03a28d 12
halfpitch 0:b8ab9a03a28d 13 void wwChipSelect :: wwCSwrite(int ch){
halfpitch 0:b8ab9a03a28d 14 //start
halfpitch 0:b8ab9a03a28d 15 ChipSelect.write(1);
halfpitch 1:731d34c1b57d 16 wait_us(30);
halfpitch 0:b8ab9a03a28d 17
halfpitch 0:b8ab9a03a28d 18 ChipSelect.write(0);
halfpitch 0:b8ab9a03a28d 19
halfpitch 0:b8ab9a03a28d 20 wait_us(26);//26
halfpitch 0:b8ab9a03a28d 21
halfpitch 0:b8ab9a03a28d 22 //A1
halfpitch 0:b8ab9a03a28d 23 ChipSelect.write(0x01 & ch);
halfpitch 0:b8ab9a03a28d 24 wait_us(20);//46
halfpitch 0:b8ab9a03a28d 25
halfpitch 0:b8ab9a03a28d 26 //A2
halfpitch 0:b8ab9a03a28d 27 ChipSelect.write((0x02 & ch)>>1);
halfpitch 0:b8ab9a03a28d 28 wait_us(20);//66
halfpitch 0:b8ab9a03a28d 29
halfpitch 0:b8ab9a03a28d 30 //A3
halfpitch 0:b8ab9a03a28d 31 ChipSelect.write((0x04 & ch)>>2);
halfpitch 0:b8ab9a03a28d 32 wait_us(20);//86
halfpitch 0:b8ab9a03a28d 33
halfpitch 0:b8ab9a03a28d 34 //A4
halfpitch 0:b8ab9a03a28d 35 ChipSelect.write((0x08 & ch)>>3);
halfpitch 0:b8ab9a03a28d 36 wait_us(20);//106
halfpitch 0:b8ab9a03a28d 37
halfpitch 0:b8ab9a03a28d 38 ChipSelect.write(1);
halfpitch 0:b8ab9a03a28d 39
halfpitch 1:731d34c1b57d 40 wait_us(30);
halfpitch 0:b8ab9a03a28d 41 }
halfpitch 0:b8ab9a03a28d 42