Prelude-Sat Project
/
spi_simplest_slave
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Dependencies: mbed
Revision 0:e770d057315d, committed 2021-01-02
- Comitter:
- taiga_prelude
- Date:
- Sat Jan 02 09:03:56 2021 +0000
- Commit message:
- 1st upload;
Changed in this revision
| mbed.bld | Show annotated file Show diff for this revision Revisions of this file |
| spi_slave.cpp | Show annotated file Show diff for this revision Revisions of this file |
diff -r 000000000000 -r e770d057315d mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Sat Jan 02 09:03:56 2021 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/mbed_official/code/mbed/builds/65be27845400 \ No newline at end of file
diff -r 000000000000 -r e770d057315d spi_slave.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/spi_slave.cpp Sat Jan 02 09:03:56 2021 +0000
@@ -0,0 +1,36 @@
+#include "mbed.h"
+
+
+SPISlave to_cdh(p5,p6,p7,p8); // mosi, miso, sclk, ssel
+Serial pc(USBTX, USBRX);
+
+int main()
+{
+ pc.printf("--Hi,this is eps(slave).\r\n");
+
+ to_cdh.format(8,3);
+ to_cdh.frequency(1000000);
+
+ int sdummy = 0x09;
+
+ while(1) {
+
+ if(to_cdh.receive()) {
+ int rcmd = to_cdh.read(); //receive 1st byte
+ int rdummy = to_cdh.read(); //receive 2nd byte
+
+ to_cdh.reply(sdummy); // prepare to send 1st byte (dummy)
+
+ if(rcmd%2 == 0){
+ to_cdh.reply(rcmd);
+ }
+ else{
+ to_cdh.reply(0xFF);
+ }
+
+ pc.printf("rcmd: %02x, dummy: %02x\r\n",rcmd, rdummy);
+
+
+ }
+ }
+}
\ No newline at end of file