SPI Master/Slave communication between two NUCLEO module. You can send objects ( float, text, ..etc) between them. These projects should be used together: SPI_NUCLEO_MASTER SPI_NUCLEO_SLAVE
Revision 1:d154278f2ca1, committed 2017-12-06
- Comitter:
- mjm2016
- Date:
- Wed Dec 06 08:46:12 2017 +0000
- Parent:
- 0:52f83e5addd7
- Commit message:
- bug fixed
Changed in this revision
main.cpp | Show annotated file Show diff for this revision Revisions of this file |
--- a/main.cpp Tue Dec 05 10:33:22 2017 +0000 +++ b/main.cpp Wed Dec 06 08:46:12 2017 +0000 @@ -29,9 +29,9 @@ -#define SPI_DUMMY 0X00 +#define SPI_DUMMY 0X0000 #define SPI_CMD 0XADAD //Anything as a CMD code. -#define SPI_FAULT 0xDD //Anything as a part of 16 bit as control byte +#define SPI_FAULT 0xDD00 //Anything as a part of 16 bit as control byte #ifdef _DEBUG extern Serial pc; @@ -49,10 +49,10 @@ /*This will be the float number we wish to transfer. You can make a struct of multiple variable and send it in the same way*/ -typedef union SPI_Packet_t{ +typedef union { float sensor; byte SPI_Packet[sizeof(float)]; -}; +}SPI_Packet_t; SPI_Packet_t packet; int main() @@ -93,7 +93,7 @@ } else { slave.reply(SPI_FAULT); //ERROR CODE - slave.reply(SPI_DUMMY); //dummy ..skiped value + break; } } }