commit 48a8327281fb61723248c504edcb0d63d9cc82ed
Author: James Devine <pingud98@users.noreply.github.com>
Date:   Thu Dec 26 15:44:53 2013 -0800

diff --git a/arduinopowerdemo.pde b/arduinopowerdemo.pde
new file mode 100644
index 0000000..1000bf3
--- /dev/null
+++ b/arduinopowerdemo.pde
@@ -0,0 +1,231 @@
+//registers on ADE7753  
+#define WAVEFORM 0x01
+#define AENERGY 0x02
+#define RAENERGY 0x03
+#define LAENERGY 0x04
+#define VAENERGY 0x05
+#define LVAENERGY 0x06
+#define LVARENERGY 0x07
+#define MODE 0x09
+#define IRQEN 0x0A
+#define STATUS 0x0B
+#define RSTSTATUS 0x0C
+#define CH1OS 0x0D
+#define CH2OS 0x0E
+#define GAIN 0x0F
+#define PHCAL 0x10
+#define APOS 0x11
+#define WGAIN 0x12
+#define WDIV 0x12
+#define CFNUM 0x14
+#define CFDEN 0x15
+#define IRMS 0x16
+#define VRMS 0x17
+#define IRMSOS 0x18
+#define VRMSOS 0x19
+#define VAGAIN 0x1A
+#define VADIV 0x1B
+#define LINECYC 0x1C
+#define ZXTOUT 0x1D
+#define SAGCYC 0x1E
+#define SAGLVL 0x1F
+#define IPKLVL 0x20
+#define VPKLVL 0x21
+#define IPEAK 0x22
+#define RSTIPEAK 0x23
+#define VPEAK 0x24
+#define RSTVPEAK 0x25
+#define TEMP 0x26
+#define PERIOD 0x27
+#define TMODE 0x3D
+#define CHKSUM 0x3E
+#define DIEREV 0x3F
+  
+#define DATAOUT 11//MOSI
+#define DATAIN  12//MISO 
+#define SPICLOCK  13//sck
+#define SLAVESELECT 10//ss
+
+//opcodes
+#define WREN  6
+#define WRDI  4
+#define RDSR  5
+#define WRSR  1
+#define READ  3
+#define WRITE 2
+
+//SPCR = (1<<SPE)|(1<<MSTR)|(1<<CPOL)|(1<<CPHA)|(1<<SPR1)|(1<<SPR0); //set clock rate to 1/16th system
+
+
+long eeprom_output_data;
+byte multi_byte_data[3];
+long eeprom_input_data=0;
+long long_eeprom_data = 0;
+byte clr;
+int address=0;
+//data buffer
+char buffer [128];
+
+void fill_buffer()
+{
+  for (int I=0;I<128;I++)
+  {
+    buffer[I]=I;
+  }
+}
+
+char spi_transfer(volatile char data)
+{
+  SPDR = data;                    // Start the transmission
+  while (!(SPSR & (1<<SPIF)))     // Wait the end of the transmission
+  {
+  };
+  return SPDR;                    // return the received byte
+}
+
+void setup()
+{
+  Serial.begin(115200);
+
+  pinMode(DATAOUT, OUTPUT);
+  pinMode(DATAIN, INPUT);
+  pinMode(SPICLOCK,OUTPUT);
+  pinMode(SLAVESELECT,OUTPUT);
+  digitalWrite(SLAVESELECT,HIGH); //disable device
+  SPCR = (1<<SPE)|(1<<MSTR)|(1<<CPHA)|(1<<SPR1)|(1<<SPR0);
+  SPSR = (0<<SPI2X);
+  clr=SPSR;
+  clr=SPDR;
+  delay(10);
+  Serial.println("init complete");
+  delay(1000);
+  
+  
+  
+  //testrun starts here
+  
+  //utils
+  //read_eeprom(address value, how many bytes)
+  //write_to_eeprom(target, values, bytes to write)
+  
+  //read what is there right now
+  //address = LINECYC;
+//  Serial.print(address,HEX);
+ // eeprom_output_data = read_eeprom(STATUS,2);
+  
+  //long TestWrite;
+  //TestWrite = 0xABCD;
+  //write_to_eeprom(address, TestWrite, 2);
+// Serial.println(eeprom_output_data, BIN);
+  //eeprom_output_data = read_eeprom(address, 2);
+  //Serial.println("Completed basic read write test");
+  
+  
+
+}
+
+
+
+void write_to_eeprom(int EEPROM_address, long write_buffer, int bytes_to_write)
+{
+  //Serial.print("Multiwrite ops to addr>");
+  //Serial.println(EEPROM_address, HEX);
+  //set write mode
+  byte make_write_cmd = B10000000;
+  byte this_write = B00000000;
+  EEPROM_address = EEPROM_address|make_write_cmd;
+  digitalWrite(SLAVESELECT,LOW);
+  spi_transfer((char)(EEPROM_address));      //send address
+  
+  //here there should be a t7 delay, however long that is
+  for (int i = 0; i<bytes_to_write; i++){
+  //Serial.println(i);
+  this_write = byte(write_buffer>>(8*((bytes_to_write-1)-i)));
+  //Serial.println(this_write, HEX);
+  spi_transfer((char)(this_write));      //send data byte
+  }
+  digitalWrite(SLAVESELECT,HIGH); //release chip, signal end transfer
+}
+
+long read_eeprom(int EEPROM_address, int bytes_to_read)
+{
+  //Serial.print("Multi-read to addr>");
+  //Serial.print(EEPROM_address, HEX);
+  //Serial.println(" Data starts:");
+  long data = 0;
+  byte reader_buf = 0;
+  digitalWrite(SLAVESELECT,LOW);
+  spi_transfer((char)(EEPROM_address));      //send LSByte address
+  for (int i = 1; i <= bytes_to_read; i++){
+    reader_buf = spi_transfer(0xFF); //get data byte
+    //Serial.println(i);
+    //Serial.println(reader_buf, BIN);
+    
+    data = data|reader_buf;
+    if (i< bytes_to_read) {
+      data = data<<8;
+    }
+    }
+  //Serial.print("completed. data was>");
+  //Serial.println(data, BIN);
+  digitalWrite(SLAVESELECT,HIGH); //release chip, signal end transfer
+  return data;
+}
+
+void printout(long printme)
+{
+   Serial.print(printme, DEC);
+   Serial.print(",");
+   Serial.println(printme, HEX);
+}
+
+void loop()
+{
+  
+  delay(1000);
+   Serial.println("STATUS CHECK ");
+   eeprom_output_data = read_eeprom(STATUS,2);
+   printout(eeprom_output_data);
+   
+   Serial.println("MODE CHECK ");
+   eeprom_output_data = read_eeprom(MODE,2);
+   printout(eeprom_output_data);
+   
+   Serial.println("LINECYC CHECK ");
+   eeprom_output_data = read_eeprom(LINECYC,2);
+   printout(eeprom_output_data);
+
+   Serial.println("SAGCYC CHECK ");
+   eeprom_output_data = read_eeprom(SAGCYC,2);
+   printout(eeprom_output_data);
+   
+   Serial.println("CFNUM CHECK ");
+   eeprom_output_data = read_eeprom(CFNUM,2);
+   printout(eeprom_output_data);
+   
+   Serial.println("IRMS CHECK ");
+   eeprom_output_data = read_eeprom(IRMS,4);
+   printout(eeprom_output_data);
+   
+   Serial.println("VRMS CHECK ");
+   eeprom_output_data = read_eeprom(CFNUM,4);
+   printout(eeprom_output_data);
+   
+   Serial.println("CFNUM CHECK ");
+   eeprom_output_data = read_eeprom(CFNUM,2);
+   printout(eeprom_output_data);
+   
+   Serial.println("AENERGY CHECK ");
+   eeprom_output_data = read_eeprom(AENERGY,4);
+   printout(eeprom_output_data);
+
+   Serial.println("IPEAK CHECK ");
+   eeprom_output_data = read_eeprom(IPEAK,4);
+   printout(eeprom_output_data);
+   
+   Serial.println("VPEAK CHECK ");
+   eeprom_output_data = read_eeprom(VPEAK,4);
+   printout(eeprom_output_data);  
+}
+ 
+