Lucy Lenhardt / wave_player_pwm_and_dac

made it do pwmout and dacout

Dependents:   4180_FDP_ADC

Fork of wave_player by Steve Ravet

Diff: wave_player.cpp

Revision:
2:da5d90e12f27
Parent:
0:62c18ade9a60
--- a/wave_player.cpp	Tue Jan 18 03:57:27 2011 +0000
+++ b/wave_player.cpp	Fri Dec 05 02:31:00 2014 +0000
@@ -18,10 +18,12 @@
 
 //-----------------------------------------------------------------------------
 // constructor -- accepts an mbed pin to use for AnalogOut.  Only p18 will work
-wave_player::wave_player(AnalogOut *_dac)
+wave_player::wave_player(AnalogOut *_dac, PwmOut *_pwm)
 {
+  wave_PWM = _pwm;
   wave_DAC=_dac;
   wave_DAC->write_u16(32768);        //DAC is 0-3.3V, so idles at ~1.6V
+  *wave_PWM = 32768;
   verbosity=0;
 }
 
@@ -205,7 +207,7 @@
   printf("ISR rdptr %d got %u\n",DAC_rptr,DAC_fifo[DAC_rptr]);
 #endif
     wave_DAC->write_u16(DAC_fifo[DAC_rptr]);
+    wave_PWM->write(float(DAC_fifo[DAC_rptr]/65536.0));
     DAC_rptr=(DAC_rptr+1) & 0xff;
   }
 }
-