Added three new functions to enable/disable clock output and save the current settings as default values to thr EEPROM. The firmware reads out those values on startup.

firmware/command_ctrl.ino

@@ -28,6 +28,9 @@ void cc_setFreqStep(void);
 void cc_setDriveStrength(void);
 void cc_startMeasurement(void);
 void cc_getConfig(void);
+void cc_enableClk(void);
+void cc_disableClk(void);
+void cc_saveDefaults(void);
 
 /*****************************************************************************/
 
@@ -45,6 +48,9 @@ uint8_t cc_commands[] = {
     CC_CMD_SET_FREQ_STEP,
     CC_CMD_START_MEASUREMENT,
     CC_CMD_GET_CONFIG,
+    CC_CMD_EN_CLK,
+    CC_CMD_DIS_CLK,
+    CC_CMD_SAV_DFLT,
   };
 
 void (*cc_cmd_functions[])() = {
@@ -55,6 +61,9 @@ void (*cc_cmd_functions[])() = {
     CC_CMD_SET_FREQ_STEP_FUNC,
     CC_CMD_START_MEASUREMENT_FUNC,
     CC_CMD_GET_CONFIG_FUNC,
+    CC_CMD_EN_CLK_FUNC,
+    CC_CMD_DIS_CLK_FUNC,
+    CC_CMD_SAV_DFLT_FUNC,
   };
 
 uint8_t cc_cmd_data_to_read[] = {
@@ -65,6 +74,9 @@ uint8_t cc_cmd_data_to_read[] = {
     CC_CMD_SET_FREQ_STEP_DATA_TO_READ,
     CC_CMD_START_MEASUREMENT_DATA_TO_READ,
     CC_CMD_GET_CONFIG_DATA_TO_READ,
+    CC_CMD_EN_CLK_DATA_TO_READ,
+    CC_CMD_DIS_CLK_DATA_TO_READ,
+    CC_CMD_SAV_DFLT_DATA_TO_READ,
   };
 
 uint8_t cc_read_data[CC_READ_DATA_MAX];
@@ -305,6 +317,74 @@ void cc_getConfig()
 
 /*****************************************************************************/
 
+void cc_enableClk(void)
+{
+  Serial.write(MSG_SOM1);
+  Serial.write(MSG_SOM2);
+  if (cc_read_data[0] == SI5351_CLK0)
+  {
+    si5351.output_enable(SI5351_CLK0, 1); // enable clock output 0
+    Serial.write(MSG_TYPE_ANSWER_OK);
+  }
+  else if (cc_read_data[0] == SI5351_CLK1)
+  {
+    si5351.output_enable(SI5351_CLK1, 1); // enable clock output 1
+    Serial.write(MSG_TYPE_ANSWER_OK);
+  }
+  else if (cc_read_data[0] == SI5351_CLK2)
+  {
+    si5351.output_enable(SI5351_CLK2, 1); // enable clock output 2
+    Serial.write(MSG_TYPE_ANSWER_OK);
+  } else {
+    Serial.write(MSG_TYPE_ANSWER_NOK);
+  }
+  Serial.write(MSG_EOM1);
+  Serial.write(MSG_EOM2);
+}
+
+/*****************************************************************************/
+
+void cc_disableClk(void)
+{
+  Serial.write(MSG_SOM1);
+  Serial.write(MSG_SOM2);
+  if (cc_read_data[0] == SI5351_CLK0)
+  {
+    si5351.output_enable(SI5351_CLK0, 0); // disable clock output 0
+    Serial.write(MSG_TYPE_ANSWER_OK);
+  }
+  else if (cc_read_data[0] == SI5351_CLK1)
+  {
+    si5351.output_enable(SI5351_CLK1, 0); // disable clock output 1
+    Serial.write(MSG_TYPE_ANSWER_OK);
+  }
+  else if (cc_read_data[0] == SI5351_CLK2)
+  {
+    si5351.output_enable(SI5351_CLK2, 0); // disable clock output 2
+    Serial.write(MSG_TYPE_ANSWER_OK);
+  } else {
+    Serial.write(MSG_TYPE_ANSWER_NOK);
+  }
+  Serial.write(MSG_EOM1);
+  Serial.write(MSG_EOM2);
+}
+
+/*****************************************************************************/
+
+void cc_saveDefaults(void)
+{
+  Serial.write(MSG_SOM1);
+  Serial.write(MSG_SOM2);
+
+  saveEEPValues();
+
+  Serial.write(MSG_TYPE_ANSWER_OK);
+  Serial.write(MSG_EOM1);
+  Serial.write(MSG_EOM2);
+}
+
+/*****************************************************************************/
+
 void cc_init()
 {
   cc_state                = CC_STATE_READ_SOM1;

firmware/firmware.ino

@@ -4,13 +4,19 @@
  * License: GPLv3
  */
 
+/*****************************************************************************/
+
 #include <si5351.h>
 #include "Wire.h"
 
+#include <EEPROM.h>
+
 extern "C" {
   #include "globals.h"
 }
 
+/*****************************************************************************/
+
 Si5351 si5351;
 
 uint32_t start_freq = 10000;
@@ -19,6 +25,8 @@ uint32_t  step_freq = 1000000; // 1 MHz default step size
 uint16_t  intervall = 1000; // intervall to change the frequency as milli seconds
 enum si5351_drive drive_str = SI5351_DRIVE_2MA;
 
+/*****************************************************************************/
+
 void setup()
 {
   // manage the analog pins
@@ -51,8 +59,12 @@ void setup()
 
   analogReference(DEFAULT); // 5V reference
 
+  readEEPValues();
+
 }
 
+/*****************************************************************************/
+
 void loop()
 {
   // Read the Status Register and print it every 10 seconds
@@ -83,3 +95,84 @@ void loop()
   delay(100);
 }
 
+/*****************************************************************************/
+
+void saveEEPValues()
+{
+
+  EEPROM.write( 0, (uint8_t)((start_freq & 0xff000000) >> 24));
+  EEPROM.write( 1, (uint8_t)((start_freq & 0x00ff0000) >> 16));
+  EEPROM.write( 2, (uint8_t)((start_freq & 0x0000ff00) >>  8));
+  EEPROM.write( 3, (uint8_t) (start_freq & 0x000000ff));
+  EEPROM.write( 4, (uint8_t)((end_freq & 0xff000000) >> 24));
+  EEPROM.write( 5, (uint8_t)((end_freq & 0x00ff0000) >> 16));
+  EEPROM.write( 6, (uint8_t)((end_freq & 0x0000ff00) >>  8));
+  EEPROM.write( 7, (uint8_t) (end_freq & 0x000000ff));
+  EEPROM.write( 8, (uint8_t)((step_freq & 0xff000000) >> 24));
+  EEPROM.write( 9, (uint8_t)((step_freq & 0x00ff0000) >> 16));
+  EEPROM.write(10, (uint8_t)((step_freq & 0x0000ff00) >>  8));
+  EEPROM.write(11, (uint8_t) (step_freq & 0x000000ff));
+  EEPROM.write(12, (uint8_t)((intervall & 0xff00) >> 8));
+  EEPROM.write(13, (uint8_t) (intervall & 0x00ff));
+  EEPROM.write(14, (uint8_t) drive_str);
+
+}
+
+void readEEPValues()
+{
+  uint32_t tmp_start_freq  = (uint32_t)EEPROM.read(0) << 24;
+           tmp_start_freq += (uint32_t)EEPROM.read(1) << 16;
+           tmp_start_freq += (uint32_t)EEPROM.read(2) <<  8;
+           tmp_start_freq += (uint32_t)EEPROM.read(3);
+  if (tmp_start_freq < 1)
+    tmp_start_freq = 1;
+  if (tmp_start_freq > 150000000)
+    tmp_start_freq = 150000000;
+
+  start_freq = tmp_start_freq;
+
+  uint32_t tmp_end_freq  = (uint32_t)EEPROM.read(4) << 24;
+           tmp_end_freq += (uint32_t)EEPROM.read(5) << 16;
+           tmp_end_freq += (uint32_t)EEPROM.read(6) <<  8;
+           tmp_end_freq += (uint32_t)EEPROM.read(7);
+  if (tmp_end_freq < 1)
+    tmp_end_freq = 1;
+  if (tmp_end_freq > 150000000)
+    tmp_end_freq = 150000000;
+
+  end_freq = tmp_end_freq;
+
+  uint32_t tmp_step_freq  = (uint32_t)EEPROM.read( 8) << 24;
+           tmp_step_freq += (uint32_t)EEPROM.read( 9) << 16;
+           tmp_step_freq += (uint32_t)EEPROM.read(10) <<  8;
+           tmp_step_freq += (uint32_t)EEPROM.read(11);
+  if (tmp_step_freq < 1)
+    tmp_step_freq = 1;
+  if (tmp_step_freq > 150000000)
+    tmp_step_freq = 150000000;
+
+  step_freq = tmp_step_freq;
+
+  uint16_t tmp_intervall  = (uint16_t)EEPROM.read(12) << 8;
+           tmp_intervall += (uint16_t)EEPROM.read(13);
+  if (tmp_intervall < 1)
+    tmp_intervall = 1;
+  if (tmp_intervall > 150000000)
+    tmp_intervall = 150000000;
+
+  intervall = tmp_intervall;
+
+  enum si5351_drive tmp_ds  = (enum si5351_drive)EEPROM.read(14);
+  if (tmp_ds == SI5351_DRIVE_2MA ||
+      tmp_ds == SI5351_DRIVE_4MA ||
+      tmp_ds == SI5351_DRIVE_6MA ||
+      tmp_ds == SI5351_DRIVE_8MA)
+  {
+    drive_str = tmp_ds;
+  } else {
+    drive_str = SI5351_DRIVE_2MA;
+  }
+}
+
+/*****************************************************************************/
+

firmware/globals.h

@@ -42,6 +42,9 @@
 #define CC_CMD_SET_FREQ_STEP        0x05
 #define CC_CMD_START_MEASUREMENT    0x06
 #define CC_CMD_GET_CONFIG           0x10
+#define CC_CMD_EN_CLK               0x20
+#define CC_CMD_DIS_CLK              0x21
+#define CC_CMD_SAV_DFLT             0x22
 
 /*****************************************************************************/
 
@@ -52,6 +55,9 @@
 #define CC_CMD_SET_FREQ_STEP_FUNC         &cc_setFreqStep
 #define CC_CMD_START_MEASUREMENT_FUNC     &cc_startMeasurement
 #define CC_CMD_GET_CONFIG_FUNC            &cc_getConfig
+#define CC_CMD_EN_CLK_FUNC                &cc_enableClk
+#define CC_CMD_DIS_CLK_FUNC               &cc_disableClk
+#define CC_CMD_SAV_DFLT_FUNC              &cc_saveDefaults
 
 /*****************************************************************************/
 
@@ -62,6 +68,9 @@
 #define CC_CMD_SET_FREQ_STEP_DATA_TO_READ       4
 #define CC_CMD_START_MEASUREMENT_DATA_TO_READ   0
 #define CC_CMD_GET_CONFIG_DATA_TO_READ          0
+#define CC_CMD_EN_CLK_DATA_TO_READ              1
+#define CC_CMD_DIS_CLK_DATA_TO_READ             1
+#define CC_CMD_SAV_DFLT_DATA_TO_READ            0
 
 /*****************************************************************************/
 

tools/meas.py

@@ -32,7 +32,7 @@ parser.add_argument("-o", "--output_file", type=str, help="")
 # show graphical results
 parser.add_argument("-g", "--show_graph", default=False, help="", action='store_true')
 # get config
-#parser.add_argument("-c", "--get_config", default=False, help="", action='store_true')
+parser.add_argument("-c", "--get_config", default=False, help="", action='store_true')
 
 ###############################################################################
 
@@ -401,11 +401,6 @@ if __name__ == "__main__":
   time.sleep(1.5)
 
   # 3. get and process the commandline arguments/parameter
-  #if args.get_config == True and args.start_meas == False:
-  #  print "sent: GET_CONFIG"
-  #  sendSerialData([CC_CMD_GET_CONFIG])
-  #  dataSend = dataSend + 1
-
   if args.start_freq != None:
     print "Set start frequency to: " + user_friendly_freq(args.start_freq)
     sendSerialData([CC_CMD_SET_START_FREQ,
@@ -451,6 +446,11 @@ if __name__ == "__main__":
     sendSerialData([CC_CMD_START_MEASUREMENT])
     dataSend = dataSend + 1
 
+  if args.get_config == True and args.start_meas == False:
+    print "Read configuration values..."
+    sendSerialData([CC_CMD_GET_CONFIG])
+    dataSend = dataSend + 1
+
   # 4. start main loop
   while dataSend > 0 and timeout < TIMEOUT_CNT_MAX:
 
@@ -488,7 +488,10 @@ if __name__ == "__main__":
 
         elif e[1] == MSG_TYPE_CONFIG:
           #print "recv: CONFIG"
+          if args.start_meas == True:
             print "\nConfiguration used for measurement:"
+          else:
+            print "\nConfiguration:"
           start_freq  = e[3][0] << 24
           start_freq += e[3][1] << 16
           start_freq += e[3][2] <<  8