yoshinari kou
/
WW_SD_send_IRVer2
Send IR data from SD card. I changed Chip Select signal timing.
wwChipSelect.cpp@1:372b09a39fa4, 2011-09-01 (annotated)
- Committer:
- halfpitch
- Date:
- Thu Sep 01 09:45:40 2011 +0000
- Revision:
- 1:372b09a39fa4
- Parent:
- 0:da2f4475a464
Rev.B
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
halfpitch | 0:da2f4475a464 | 1 | //Nest Egg Inc. |
halfpitch | 0:da2f4475a464 | 2 | //http://nestegg.jp/ |
halfpitch | 0:da2f4475a464 | 3 | //White Wizard Board SPI Chip Select Code |
halfpitch | 0:da2f4475a464 | 4 | //Auther : Yoshinari kou |
halfpitch | 0:da2f4475a464 | 5 | //2010/10/03 |
halfpitch | 0:da2f4475a464 | 6 | |
halfpitch | 0:da2f4475a464 | 7 | #include "wwChipSelect.h" |
halfpitch | 1:372b09a39fa4 | 8 | //#define NORMAL //if you want to use normal chipselect, you should enable this code. |
halfpitch | 0:da2f4475a464 | 9 | |
halfpitch | 0:da2f4475a464 | 10 | wwChipSelect :: wwChipSelect(PinName cs): |
halfpitch | 0:da2f4475a464 | 11 | ChipSelect(cs){ |
halfpitch | 0:da2f4475a464 | 12 | } |
halfpitch | 0:da2f4475a464 | 13 | |
halfpitch | 1:372b09a39fa4 | 14 | void wwChipSelect :: wwCSwrite(int ch){ |
halfpitch | 1:372b09a39fa4 | 15 | |
halfpitch | 1:372b09a39fa4 | 16 | #ifdef NORMAL |
halfpitch | 1:372b09a39fa4 | 17 | if(ch == 0){//reset code |
halfpitch | 1:372b09a39fa4 | 18 | ChipSelect.write(1); |
halfpitch | 1:372b09a39fa4 | 19 | }else{ |
halfpitch | 1:372b09a39fa4 | 20 | ChipSelect.write(0); |
halfpitch | 1:372b09a39fa4 | 21 | } |
halfpitch | 1:372b09a39fa4 | 22 | |
halfpitch | 1:372b09a39fa4 | 23 | #else |
halfpitch | 0:da2f4475a464 | 24 | //start |
halfpitch | 0:da2f4475a464 | 25 | ChipSelect.write(1); |
halfpitch | 1:372b09a39fa4 | 26 | wait_us(30); |
halfpitch | 0:da2f4475a464 | 27 | |
halfpitch | 0:da2f4475a464 | 28 | ChipSelect.write(0); |
halfpitch | 0:da2f4475a464 | 29 | |
halfpitch | 0:da2f4475a464 | 30 | wait_us(26);//26 |
halfpitch | 0:da2f4475a464 | 31 | |
halfpitch | 0:da2f4475a464 | 32 | //A1 |
halfpitch | 0:da2f4475a464 | 33 | ChipSelect.write(0x01 & ch); |
halfpitch | 0:da2f4475a464 | 34 | wait_us(20);//46 |
halfpitch | 0:da2f4475a464 | 35 | |
halfpitch | 0:da2f4475a464 | 36 | //A2 |
halfpitch | 0:da2f4475a464 | 37 | ChipSelect.write((0x02 & ch)>>1); |
halfpitch | 0:da2f4475a464 | 38 | wait_us(20);//66 |
halfpitch | 0:da2f4475a464 | 39 | |
halfpitch | 0:da2f4475a464 | 40 | //A3 |
halfpitch | 0:da2f4475a464 | 41 | ChipSelect.write((0x04 & ch)>>2); |
halfpitch | 0:da2f4475a464 | 42 | wait_us(20);//86 |
halfpitch | 0:da2f4475a464 | 43 | |
halfpitch | 0:da2f4475a464 | 44 | //A4 |
halfpitch | 0:da2f4475a464 | 45 | ChipSelect.write((0x08 & ch)>>3); |
halfpitch | 0:da2f4475a464 | 46 | wait_us(20);//106 |
halfpitch | 0:da2f4475a464 | 47 | |
halfpitch | 0:da2f4475a464 | 48 | ChipSelect.write(1); |
halfpitch | 1:372b09a39fa4 | 49 | |
halfpitch | 1:372b09a39fa4 | 50 | wait_us(30); |
halfpitch | 1:372b09a39fa4 | 51 | #endif |
halfpitch | 0:da2f4475a464 | 52 | } |
halfpitch | 0:da2f4475a464 | 53 |