Sho Yama
Nucleo f334/l152用 Dac out Test
Revision 0:c3dfbba36e7e, committed 2014-07-21
- Comitter:
- yamasho
- Date:
- Mon Jul 21 07:09:11 2014 +0000
- Commit message:
- Nucleo Aout Test;
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 Jul 21 07:09:11 2014 +0000
@@ -0,0 +1,37 @@
+#include "mbed.h"
+
+#if defined(TARGET_NUCLEO_L152RE)
+AnalogOut AOutL(PA_4);
+AnalogOut AOutR(PA_5);
+#elif defined(TARGET_NUCLEO_F334R8)
+AnalogOut AOutL(PA_4);
+AnalogOut AOutR(PA_5);
+AnalogOut AOutS(PA_6);
+#endif
+uint16_t i;
+uint16_t SinTable[360];
+
+int main()
+{
+ float pi = 3.141592;
+ for(i = 0 ; i < 360 ; i++)
+ {
+#if defined(TARGET_NUCLEO_L152RE)
+ SinTable[i] = (float)sin(pi*i/180.0F)*0x07ff+0x0800;
+#elif defined(TARGET_NUCLEO_F334R8)
+ SinTable[i] = (float)sin(pi*i/180.0F)*0x07ff+0x0800;
+#endif
+ }
+
+ while(1) {
+ for(i = 0 ; i < 360 ; i++)
+ {
+ AOutL.write_u16(SinTable[i]);
+ AOutR.write_u16(SinTable[i]);
+#if defined(TARGET_NUCLEO_F334R8)
+ AOutS.write_u16(SinTable[i]);
+#endif
+ wait_us(1); // 1 sec
+ }
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Mon Jul 21 07:09:11 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/04dd9b1680ae \ No newline at end of file