Added Arduino Control Script

Fixed it to talk to the DPOT correctly
2025-04-01 04:46:34 +00:00 · 2024-12-22 00:21:49 -05:00 · 2024-12-22 00:21:49 -05:00 · 07cf7671b5
commit 07cf7671b5
parent 8c359e025d
1 changed files with 143 additions and 0 deletions
--- a/Hardware/Altium/Rev5_FE_Test_V2/Rev5_FE_Test_V2/Rev5_FE_Test_V2.ino
+++ b/Hardware/Altium/Rev5_FE_Test_V2/Rev5_FE_Test_V2/Rev5_FE_Test_V2.ino
@ -0,0 +1,143 @@
+#include <Wire.h>
+
+const int CS = 10;
+const int SCLK = 13;
+const int SDIO = 11;
+
+const int TERM = 0;
+const int CPL = 1;
+const int ATTEN = 2;
+
+const bool LATCHING = false;
+
+void setup() {
+  // initialize serial:
+  Serial.begin(9600);
+
+  pinMode (CS, OUTPUT);
+  digitalWrite (CS, HIGH);
+  pinMode (SCLK, OUTPUT);
+  digitalWrite (SCLK, HIGH);
+  pinMode (SDIO, OUTPUT);
+  digitalWrite (SDIO, LOW);
+
+  pinMode (TERM, OUTPUT);
+  digitalWrite (TERM, LOW);
+  pinMode (CPL, OUTPUT);
+  digitalWrite (CPL, LOW);
+  pinMode (ATTEN, OUTPUT);
+  digitalWrite (ATTEN, LOW);
+
+  Wire.begin();
+}
+
+void loop() {
+  // if there's any serial available, read it:
+  while (Serial.available() > 0) {
+    String command = Serial.readString();
+    command.trim();
+    Serial.println(command);
+
+    if (command.indexOf("PGA") != -1){
+      String preamp_str = command.substring(4, 5);
+      int preamp = preamp_str.toInt();
+      String attenuation_str = command.substring(6);
+      int attenuation = attenuation_str.toInt();
+      setPGA(preamp,attenuation);
+    }
+    else if (command.indexOf("DAC") != -1){
+      String dac_code_str = command.substring(4);
+      int dac_code = dac_code_str.toInt();
+      setDAC(dac_code);
+    }
+    else if (command.indexOf("DPOT") != -1){
+      String dpot_code_str = command.substring(5);
+      int dpot_code = dpot_code_str.toInt();
+      setDPOT(dpot_code);
+    }
+    else if (command.indexOf("ATTEN") != -1){
+      String atten_str = command.substring(6);
+      int atten = atten_str.toInt();
+      setATTEN(atten);
+    }
+    else if (command.indexOf("CPL") != -1){
+      String cpl_str = command.substring(4);
+      int cpl = cpl_str.toInt();
+      setCPL(cpl);
+    }
+    else if (command.indexOf("TERM") != -1){
+      String term_str = command.substring(5);
+      int term = term_str.toInt();
+      setTERM(term);
+    }
+    else{
+      Serial.println("Invalid Command");
+    }
+
+  }
+}
+
+void setPGA(int preamp, int attenuation){
+    
+  uint32_t settings = 0x00000400;
+  if (preamp == 1)
+    settings |= 0x00000010;
+  
+  settings |= ((uint32_t) (attenuation/2) & 0x0000000F);
+  
+  digitalWrite(CS,LOW);
+  for (int x = 0; x < 24; x++){
+    digitalWrite(SCLK,LOW);
+    digitalWrite(SDIO,((settings >> (23-x)) & 0x00000001));
+    delayMicroseconds(1);
+    digitalWrite(SCLK,HIGH);
+    delayMicroseconds(1);
+  }
+  digitalWrite(CS,HIGH);
+  digitalWrite(SDIO,0);
+
+}
+
+void setDAC(int dac_code){
+  uint16_t command_data = 0x0000;
+  command_data |= (uint16_t)dac_code & 0x0FFF;
+
+  Wire.beginTransmission(0b1100000);  
+  Wire.write(0b01011000);
+  Wire.write(command_data >> 8);
+  Wire.write(command_data & 0x00FF);
+  Wire.endTransmission();
+}
+
+void setDPOT(int dpot_code){
+  uint16_t command_data = 0x0000;
+  command_data |= 0x06 << 12; //wiper 2
+  command_data |= (uint16_t)dpot_code & 0x03FF;
+
+  Wire.beginTransmission(0b0101110);  
+  Wire.write(0b01011000);
+  Wire.write(command_data >> 8);
+  Wire.write(command_data & 0x00FF);
+  Wire.endTransmission();
+}
+
+void setATTEN(int atten){
+  if (atten == 1)
+    digitalWrite (ATTEN, HIGH);
+  else 
+    digitalWrite (ATTEN, LOW);
+}
+
+void setCPL(int cpl){
+  if (cpl == 1)
+    digitalWrite (CPL, HIGH);
+  else 
+    digitalWrite (CPL, LOW);
+}
+
+void setTERM(int term){
+  if (term == 1)
+    digitalWrite (TERM, HIGH);
+  else 
+    digitalWrite (TERM, LOW);
+}