![](/media/cache/group/Prelude_LOGO.png.50x50_q85.png)
For Master of SPI Communication between two LPC1768
Dependencies: mbed
Diff: spi_master.cpp
- Revision:
- 0:382b3838a100
diff -r 000000000000 -r 382b3838a100 spi_master.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/spi_master.cpp Sat Jan 02 09:02:40 2021 +0000 @@ -0,0 +1,33 @@ +#include "mbed.h" + +SPI to_eps(p5,p6,p7); +DigitalOut cs(p8); + +Serial pc(USBTX,USBRX); + +#define DTIME 0.1 + +int main() +{ + pc.printf("--Hi,this is cdh(master).\r\n"); + cs = 1; + + to_eps.format(8,3); + to_eps.frequency(1000000); + int cmd = 0; + + while(1) { + char c = pc.getc(); + pc.printf("count: %d, ",cmd); + + cs=0; + int dummy = to_eps.write(cmd); // send command + int rdata = to_eps.write(0x00); + cs=1; + + pc.printf("dummy: %d, ",dummy); + pc.printf("rdata: %d\r\n",rdata); + + cmd++; + } +}