Kenji Arai / Mbed 2 deprecated mbed_clock_ckeck

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Dependencies:   mbed

Files at this revision

API Documentation at this revision

Revision 0:325fcc4dca89, committed 2015-05-18

Comitter:
kenjiArai
Date:
Mon May 18 10:02:51 2015 +0000
Child:
1:67ac582483f9
Commit message:
Show "System Clock" in your PC terminal.

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	Mon May 18 10:02:51 2015 +0000
@@ -0,0 +1,49 @@
+/*
+ * mbed Application program
+ *      Check "System clock" frequency
+ *
+ * Copyright (c) 2015 Kenji Arai / JH1PJL
+ *  http://www.page.sannet.ne.jp/kenjia/index.html
+ *  http://mbed.org/users/kenjiArai/
+ *      Created: may       18th, 2015
+ *      Revised: may       18th, 2015
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+ * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
+ * AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "mbed.h"
+
+DigitalOut myled(LED1);
+
+int main() {
+    printf("\r\n Your mbed SysClock is %u Hz.\r\n", SystemCoreClock);
+    while(true) {
+        myled = !myled;
+        wait(1.0);
+    }
+}
+
+/* measured by JH1PJL on May 18th, 2015
+
+ Check old revision
+ Case L152
+    before and rev.81 20140319  -> 16000000Hz
+    rev.82 and after  20140407  -> 24000000Hz
+ Case F401
+    all rev.(?)                 -> 84000000Hz
+ Case F411
+    befoe and rev.97  20150414  -> 100000000Hz
+    rev.98& 99 (as of 20150518) -> 96000000Hz
+ Case LPC1768
+    rev.99 -> 96000000Hz
+ Case GR-PEACH
+    error "SystemCoreClock" is undefined
+ Case LPC1114FN28
+    rev.99 -> 48000000Hz
+
+ */
+ 
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Mon May 18 10:02:51 2015 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/dbbf35b96557
\ No newline at end of file