Peter Drescher
Test program to show cpu running at 84MHz
Dependencies: ST_401_84MHZ mbed
Speed up the CPU to 84MHz to get a SPI clock of 20MHz.
Revision 0:21b36798fd00, committed 2014-02-21
- Comitter:
- bcostm
- Date:
- Fri Feb 21 12:38:59 2014 +0000
- Child:
- 1:aa61af968c8a
- Commit message:
- Initial version.
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 Fri Feb 21 12:38:59 2014 +0000
@@ -0,0 +1,14 @@
+#include "mbed.h"
+
+SPI device(SPI_MOSI, SPI_MISO, SPI_SCK);
+
+int main() {
+ int i = 0;
+ while(1) {
+ device.write(0x55);
+ device.write(i++);
+ device.write(0xE0);
+ wait_us(50);
+ }
+}
+
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Fri Feb 21 12:38:59 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/ed8466a608b4 \ No newline at end of file