Taisuke YAMADA
Fast SPI-based serial interface to AD9850 clock generator. Has same interface as (bit-banging based) AD9850 library, but more than x100 faster in frequency update speed. Can sweep 1KHz to 30MHz in 1KHz step in a few seconds.
Diff: AD9850SPI.h
- Revision:
- 0:4aaced3b219c
- Child:
- 4:c60c1caa2593
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/AD9850SPI.h Thu Jan 09 16:48:45 2020 +0000
@@ -0,0 +1,22 @@
+/**
+ * Fast AD9850 serial interface over SPI
+ */
+
+#include <mbed.h>
+
+class AD9850SPI {
+
+public:
+ AD9850SPI(SPI &spi, PinName fq_ud, PinName reset);
+ ~AD9850SPI();
+
+ void reset_spi();
+ void reset();
+ void setFrequency(int freq, int powerdown=0, int phase=0);
+
+private:
+ SPI &_spi;
+ DigitalOut _fq_ud;
+ DigitalOut _reset;
+};
+