Takanobu Muraguchi
/
Nikon_lens_sniffer
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Revision 0:bc8e9dd8b17f, committed 2018-12-05
- Comitter:
- muraguchi
- Date:
- Wed Dec 05 16:58:35 2018 +0000
- Commit message:
- initial release
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
| mbed.bld | Show annotated file Show diff for this revision Revisions of this file |
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Wed Dec 05 16:58:35 2018 +0000
@@ -0,0 +1,63 @@
+#include "mbed.h"
+
+Serial pc(USBTX, USBRX);
+
+Ticker event_timer;
+
+#define ARY_SIZE 1000
+
+SPISlave spi_slave(p5,p6,p7,p8);
+// p5 mosi
+// p6 nc
+// p7 sclk
+// p8 hs
+
+//DigitalIn sclk(p7);
+//DigitalIn data(p5);
+//DigitalIn hs(p8);
+
+int event_timer_time=0;
+
+void event_timer_progress()
+{
+ event_timer_time++;
+}
+
+int reverse_byte(int byte)
+{
+ return ((byte&0x80)>>7)|((byte&0x40)>>5) | ((byte&0x20)>>3) | ((byte&0x10)>>1) | ((byte&0x08)<<1) | ((byte&0x04)<<3) | ((byte&0x02)<<5) | ((byte&0x01)<<7);
+}
+
+
+int main()
+{
+ int com_seq=0;
+ int com_ary[ARY_SIZE];
+ int time_ary[ARY_SIZE];
+
+ // 100us ticker
+ event_timer.attach(&event_timer_progress, 0.0001);
+
+ spi_slave.format(8, 3);
+
+ pc.baud(115200);
+ pc.printf("Nikon lens serial interface sniffer.\n");
+ while(com_seq<ARY_SIZE)
+ {
+ if(spi_slave.receive())
+ {
+ com_ary[com_seq]=spi_slave.read();
+ time_ary[com_seq]= event_timer_time;
+ com_seq++;
+ }
+ }
+
+ for(int l=0;l<ARY_SIZE;l++)
+ {
+ int rv_dat=reverse_byte(com_ary[l]);
+ if(rv_dat>=0x20 && rv_dat<=0x7e)
+ pc.printf("%08.01fms %02X '%c'\n",time_ary[l]/10.0,rv_dat,rv_dat);
+ else
+ pc.printf("%08.01fms %02X '-'\n",time_ary[l]/10.0,rv_dat);
+ }
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Wed Dec 05 16:58:35 2018 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/mbed_official/code/mbed/builds/e95d10626187 \ No newline at end of file