yoshinari kou
White Wizard Board SPI module chip select TEST program
Revision 0:747306a9d2ad, committed 2011-08-26
- Comitter:
- halfpitch
- Date:
- Fri Aug 26 15:34:03 2011 +0000
- Commit message:
- RevA
Changed in this revision
diff -r 000000000000 -r 747306a9d2ad main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Fri Aug 26 15:34:03 2011 +0000
@@ -0,0 +1,47 @@
+#include "mbed.h"
+#include "wwChipSelect.h"
+
+//Nest Egg Inc.
+//http://wizard.nestegg.jp/
+//channel No must be A1 A2 A3 A4
+
+//#define ch_num 0x05 //channel No 0101, depend on your SPI module setting.
+//#define ch_num1 0x08 //channel No 1000, depend on your SPI module setting.
+
+DigitalOut myled1(LED1);
+DigitalOut myled2(LED2);
+DigitalOut myled3(LED3);
+DigitalOut myled4(LED4);
+
+void LEDbit(int ch){
+
+ //A1
+ myled1 = (0x01 & ch);
+
+ //A2
+ myled2 =((0x02 & ch)>>1);
+
+ //A3
+ myled3 =((0x04 & ch)>>2);
+
+ //A4
+ myled4 =((0x08 & ch)>>3);
+
+}
+
+int main() {
+
+ wwChipSelect wwcs(p8);
+ int ch_num=1;
+
+ while(1) {
+ for(ch_num=0;ch_num<16;ch_num++){
+ //myled1 =! myled1;
+ LEDbit(ch_num);
+ wwcs.wwCSwrite(ch_num);
+ printf("ch No.%d\n",ch_num);
+ wait(0.7);
+ }
+ }
+}
+
diff -r 000000000000 -r 747306a9d2ad mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Fri Aug 26 15:34:03 2011 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/32af5db564d4
diff -r 000000000000 -r 747306a9d2ad wwChipSelect.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/wwChipSelect.cpp Fri Aug 26 15:34:03 2011 +0000
@@ -0,0 +1,51 @@
+//Nest Egg Inc.
+//http://nestegg.jp/
+//White Wizard Board SPI Chip Select Code
+//Auther : Yoshinari kou
+//2010/10/03
+
+#include "wwChipSelect.h"
+//#define NORMAL //if you want to use normal chipselect, you should enable this code.
+
+wwChipSelect :: wwChipSelect(PinName cs):
+ ChipSelect(cs){
+ }
+
+void wwChipSelect :: wwCSwrite(int ch){
+
+#ifdef NORMAL
+ if(ch == 0){//reset code
+ ChipSelect.write(1);
+ }else{
+ ChipSelect.write(0);
+ }
+
+#else
+ //start
+ ChipSelect.write(1);
+ wait_us(20);
+
+ ChipSelect.write(0);
+
+ wait_us(26);//26
+
+//A1
+ ChipSelect.write(0x01 & ch);
+ wait_us(20);//46
+
+//A2
+ ChipSelect.write((0x02 & ch)>>1);
+ wait_us(20);//66
+
+//A3
+ ChipSelect.write((0x04 & ch)>>2);
+ wait_us(20);//86
+
+//A4
+ ChipSelect.write((0x08 & ch)>>3);
+ wait_us(20);//106
+
+ ChipSelect.write(1);
+#endif
+}
+
diff -r 000000000000 -r 747306a9d2ad wwChipSelect.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/wwChipSelect.h Fri Aug 26 15:34:03 2011 +0000
@@ -0,0 +1,16 @@
+//Nest Egg Inc.
+//http://nestegg.jp/
+//White Wizard Board SPI Chip Select Code
+//Auther : Yoshinari kou
+//2010/10/03
+
+#include "mbed.h"
+
+class wwChipSelect
+{
+ private:
+ DigitalOut ChipSelect;
+ public:
+ wwChipSelect(PinName); //constructor
+ void wwCSwrite(int);
+};
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