Part ID read and Frequency setting successful on chip

chiranthsiddappa · Apr 18, 2014 · f1a3f75 · f1a3f75
1 parent b2b277f
commit f1a3f75
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Showing 2 changed files with 7 additions and 7 deletions.
diff --git a/AD9912_sketch/AD9912.cpp b/AD9912_sketch/AD9912.cpp
@@ -37,14 +37,11 @@ uint64_t AD9912::instruction(short command, uint16_t address, char bytes, uint64
     return 0;
   instruction |= command << 15;
   instruction |= address & 0x7FF;
-  Serial.print("Instruction: ");
-  Serial.print(instruction, BIN);
-  Serial.println();
-  delay(100);
   pinMode(_SPIMOSI, OUTPUT);
   digitalWrite(_SPICS, HIGH);
   digitalWrite(_SPICS, LOW);
   shiftOut(_SPIMOSI, _SPISCK, MSBFIRST, instruction >> 8);
+  shiftOut(_SPIMOSI, _SPISCK, MSBFIRST, instruction);
   if(command & 0x1) {
     digitalWrite(_SPIMOSI, LOW);
     pinMode(_SPIMOSI, INPUT);
@@ -85,6 +82,10 @@ void AD9912::setFrequency(uint64_t fDDS) {
   uint64_t FTW;
   FTW = (uint64_t) (281474976710656 * (fDDS / (double) _fs));
   AD9912::FTW_write(FTW);
+  digitalWrite(_IO_update, HIGH);
+  for(int i = 0; i < 512; i++)
+    delay(0.5);
+  digitalWrite(_IO_update, LOW);
 }
 
 void AD9912::updateClkFreq(uint64_t fs) {

diff --git a/AD9912_sketch/AD9912_sketch.ino b/AD9912_sketch/AD9912_sketch.ino
@@ -58,10 +58,9 @@ void loop()
 {
   // put your main code here, to run repeatedly:
   if(digitalRead(PUSH2) == LOW) {
-    ad9912.setFrequency(19440000);
-    //ad9912_frequency_sweep();
+    ad9912.setFrequency(190440000);
   }
-  delay(100);
+  delay(5);
 }
 
 void flash_green() {